Vertical hot-blast stove for sludge treatment

By designing a vertical hot air furnace including a filter, a stirring and mixing part and a cleaning storage part, the problems of low combustion efficiency of sludge exhaust gas and difficulty in cleaning solid particles in the prior art are solved, and the effect of efficient combustion and convenient cleaning is achieved.

CN222651361UActive Publication Date: 2025-03-21QINGDAO ZHONGHUAN NENGKE ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421006732.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-03-21
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

When the existing hot air furnace is treated with sludge exhaust gas, the air and exhaust gas are not mixed sufficiently, resulting in low combustion efficiency and the solid particles in the exhaust gas cannot be cleaned, resulting in the hot air furnace being unable to be used continuously.

Method used

A vertical hot air furnace is designed, including a filter, a stirring and mixing part and a cleaning and storage part. The mixing blades and mixing fan blades driven by the motor are fully mixed with the sludge exhaust and air, and the solid particles generated after combustion are cleaned and stored through components such as scrapers and filter plates.

Benefits of technology

The full combustion of sludge exhaust gas is achieved, the combustion efficiency is improved, and the continuous use of hot air furnaces and the convenience of sludge exhaust gas treatment is ensured by cleaning the storage parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sludge treatment, and discloses a vertical hot-blast stove for sludge treatment, which comprises a bottom plate, a protective cover is fixedly mounted at the top of the bottom plate, a hot-blast stove body is fixedly mounted at the top of the protective cover, an air inlet pipe is communicated with the top of the hot-blast stove body, and an air outlet pipe is communicated with the air inlet pipe. An air outlet pipe is arranged on one side of the hot-blast stove body in a communicating manner; the driving and mixing assemblies are arranged inside and outside the hot-blast stove body, a filter screen is arranged, sludge tail gas primarily enters the hot-blast stove body through an air inlet pipe, a motor drives a connecting rotating shaft to enable stirring blades to primarily mix the sludge tail gas and air, and mixing fan blades are arranged to mix the sludge tail gas with the air; and the scraping plates scrape off small particles adhered to the inner wall of the hot blast stove body due to sludge tail gas, and the effects of improving the working efficiency and facilitating use are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a vertical hot air furnace used for sludge treatment. Background Art

[0002] The sludge produced by urban sewage treatment plants concentrates various pollutants in sewage, which has a great impact on the surrounding environment. With the continuous acceleration of the construction of urban sewage treatment plants and the continuous expansion of sewage treatment scale, the sludge production of sewage treatment plants has increased significantly, making the sludge treatment problem more prominent.

[0003] Today's hot blast furnace incineration devices simply pass air and exhaust gas into the furnace when treating sludge tail gas, and then burn them to remove organic matter in the tail gas. However, due to insufficient mixing of air and tail gas during the combustion process, a high fuel efficiency cannot be achieved. At the same time, during the combustion process, the solid particles generated in the tail gas cannot be cleaned and stored, which will cause the hot blast furnace to be unusable for a long time. Utility Model Content

[0004] The utility model aims to provide a vertical hot blast furnace for sludge treatment, so as to achieve the purpose of sufficient mixing and convenient cleaning treatment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical hot blast furnace for sludge treatment, comprising: a base plate, wherein a protective cover is fixedly installed on the top of the base plate, a hot blast furnace body is fixedly installed on the top of the protective cover, an air inlet pipe is connected to the top of the hot blast furnace body, and an air outlet pipe is connected to one side of the hot blast furnace body; a driving mixing component, wherein the driving mixing component is arranged inside and outside the hot blast furnace body.

[0006] Preferably, the driving and mixing assembly comprises: a stirring and mixing portion, which is arranged inside the hot blast stove body; and a cleaning and storing portion, which is arranged inside and outside the hot blast stove body.

[0007] Preferably, the stirring and mixing part includes: a filter screen, which is fixedly mounted on the top inner wall of the hot air stove body and is located below the air inlet pipe; a mounting box, which is fixedly mounted on the inner wall of the hot air stove body; a motor, which is fixedly mounted on the top of the bottom plate; the output end of the motor is fixedly connected to a connecting shaft and extends to the interior of the mounting box, and a stirring blade is provided on the outer wall movable sleeve of the connecting shaft.

[0008] Preferably, filter holes are evenly and equidistantly provided at the bottom of the installation box, a mixing blade is movably sleeved on the outer wall of the connecting shaft, installation holes are evenly and equidistantly provided on one side of the mixing blade, and a connecting column is provided inside the installation hole.

[0009] Preferably, a mounting bar is fixedly mounted on one end of the connecting column, and a scraper is fixedly mounted on one side of the mounting bar.

[0010] Preferably, the cleaning and storage part includes: filter plate 1, which is fixedly mounted on the inner wall of the hot air stove body and located below the mounting box; filter plate 2, which is fixedly mounted on the inner wall of the hot air stove body and located below the mixing blades; an arc-shaped slider, which is slidably connected to the inner wall of the hot air stove body; a mounting column, which is fixedly mounted on the bottom of the mixing blades; and a cleaning place is fixedly mounted on the bottom of the mounting column.

[0011] Preferably, a storage box is provided below the second filter plate, and the storage box is fixedly mounted on the inner wall of the hot air stove body.

[0012] Preferably, a connecting block is fixedly mounted on the outer wall of the arc-shaped sliding block, and a push-pull groove is provided on one side of the connecting block.

[0013] The utility model provides a vertical hot air furnace for sludge treatment. It has the following beneficial effects:

[0014] (1) The utility model is provided with a filter screen, and the sludge tail gas initially enters the interior of the hot blast furnace body through the air inlet pipe. The motor drives the connecting shaft to make the stirring blades initially mix the sludge tail gas and air. The mixing fan blades are provided to accelerate the combustion speed. The scraper scrapes off the small particles adhered to the inner wall of the hot blast furnace body by the sludge tail gas, thereby achieving the effect of improving work efficiency and facilitating use.

[0015] (2) The utility model is provided with a filter plate 1, and the sludge tail gas inside the hot blast furnace body is burned more completely through the mixing fan blades. The particles generated after the combustion are prevented from blocking the filter plate 2, and are swept into the interior of the storage box by the cleaning part. The connecting block drives the arc-shaped slider to open the storage box in the push-pull groove to clean the storage box, thereby achieving the effect of facilitating the cleaning of the fixed particles in the sludge tail gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the rotating rod of the hot air furnace of the utility model;

[0018] Figure 3 This is a view of the internal structure of the hot blast furnace body of the utility model;

[0019] Figure 4 This is a structural view of the waste box of the hot blast furnace body of the utility model.

[0020] In the figure: 1 bottom plate, 2 protective cover, 3 hot air furnace body, 4 air inlet pipe, 5 air outlet pipe, 6 driving mixing component, 61 stirring and mixing part, 611 filter screen, 612 installation box, 613 motor, 614 connecting shaft, 615 stirring blade, 616 filter hole, 617 mixing fan blade, 618 connecting column, 619 installation strip, 6110 scraper, 62 cleaning and storing part, 621 filter plate 1, 622 filter plate 2, 623 installation column, 624 cleaning place, 625 storage box, 626 arc slider, 627 connecting block, 628 push-pull groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] Example 1

[0024] A preferred embodiment of a vertical hot blast furnace for sludge treatment provided by the utility model is as follows: Figure 1-4 As shown: A vertical hot blast furnace for sludge treatment, comprising: a base plate 1, wherein a protective cover 2 is fixedly installed on the top of the base plate 1, a hot blast furnace body 3 is fixedly installed on the top of the protective cover 2, an air inlet pipe 4 is connected to the top of the hot blast furnace body 3, and an air outlet pipe 5 is connected to one side of the hot blast furnace body 3; a driving mixing component 6, and the driving mixing component 6 is arranged inside and outside the hot blast furnace body 3.

[0025] The driving and mixing assembly 6 includes: a stirring and mixing portion 61 , which is disposed inside the hot blast stove body 3 ; and a cleaning and storing portion 62 , which is disposed inside and outside the hot blast stove body 3 .

[0026] The stirring and mixing part 61 includes: a filter screen 611, which is fixedly installed on the top inner wall of the hot air stove body 3 and is located below the air inlet pipe 4; a mounting box 612, which is fixedly installed on the inner wall of the hot air stove body 3; a motor 613, which is fixedly installed on the top of the bottom plate 1; the output end of the motor 613 is fixedly connected to a connecting shaft 614 and extends to the interior of the mounting box 612, and a stirring blade 615 is provided on the outer wall movable sleeve of the connecting shaft 614.

[0027] The bottom of the installation box 612 is evenly and equidistantly provided with filter holes 616, the outer wall of the connecting shaft 614 is movably sleeved with a mixing fan blade 617, one side of the mixing fan blade 617 is evenly and equidistantly provided with installation holes, and the interior of the installation hole is connected to a connecting column 618.

[0028] A mounting bar 619 is fixedly mounted on one end of the connecting column 618 , and a scraper 6110 is fixedly mounted on one side of the mounting bar 619 .

[0029] Furthermore, in this embodiment, a filter screen 611 is provided, and the sludge tail gas initially enters into the interior of the hot blast furnace body 3 through the air inlet pipe 4. The motor 613 drives the connecting shaft 614 to make the stirring blade 615 initially mix the sludge tail gas and air. By providing a mixing fan blade 617, the combustion speed is accelerated. The scraper 6110 scrapes off the small particles adhered to the inner wall of the hot blast furnace body 3 by the sludge tail gas, so as to facilitate use.

[0030] Example 2

[0031] Based on Example 1, a preferred embodiment of a vertical hot blast furnace for sludge treatment provided by the utility model is as follows Figure 1-4 As shown: the cleaning storage part 62 includes: filter plate 1 621, filter plate 1 621 is fixedly installed on the inner wall of the hot air stove body 3, and is located below the installation box 612; filter plate 2 622, filter plate 2 622 is fixedly installed on the inner wall of the hot air stove body 3, and is located below the mixing blade 617; arc slider 626, arc slider 626 is slidably connected to the inner wall of the hot air stove body 3; mounting column 623, mounting column 623 is fixedly installed at the bottom of the mixing blade 617; the bottom of the mounting column 623 is fixedly installed with a cleaning place 624.

[0032] A storage box 625 is provided below the second filter plate 622 , and the storage box 625 is fixedly mounted on the inner wall of the hot air stove body 3 .

[0033] A connecting block 627 is fixedly mounted on the outer wall of the arc-shaped sliding block 626 , and a push-pull groove 628 is formed on one side of the connecting block 627 .

[0034] Furthermore, the present embodiment is provided with a filter plate 1 621, and the mixing fan blades 617 are used to allow the sludge tail gas inside the hot blast furnace body 3 to burn more completely. The particles generated after the combustion are prevented from blocking the filter plate 2 622, and are swept into the interior of the storage box 625 by the cleaning portion 624. The push-pull groove 628 drives the connecting block 627 to drive the arc-shaped slider 626 to open and clean the storage box 625.

[0035] When in use, first, the sludge tail gas is initially introduced into the interior of the hot blast furnace body 3 through the air inlet pipe 4, and the motor 613 drives the connecting shaft 614 to make the stirring blade 615 preliminarily mix the sludge tail gas and air, and the mixing fan blade 617 is provided to accelerate the combustion speed, and further, the scraper 6110 scrapes off the small particles caused by the sludge tail gas adhering to the inner wall of the hot blast furnace body 3, and further, the particles generated after combustion are prevented from blocking the filter plate 2 622, and are swept into the interior of the storage box 625 by the cleaning part 624, and finally, the push-pull groove 628 is used to make the connecting block 627 drive the arc-shaped slider 626 to open and clean the storage box 625, especially completing the work of sludge tail gas treatment.

[0036] Finally, it should be noted that 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 vertical hot air furnace for sludge treatment, characterized in that: include: Bottom plate (1), A protective cover (2) is fixedly mounted on the top of the bottom plate (1), a hot blast stove body (3) is fixedly mounted on the top of the protective cover (2), an air inlet pipe (4) is connected to the top of the hot blast stove body (3), and an air outlet pipe (5) is connected to one side of the hot blast stove body (3); A driving mixing component (6) is arranged inside and outside the hot blast stove body (3).

2. A vertical hot air furnace for sludge treatment according to claim 1, characterized in that: The driving mixing assembly (6) comprises: A stirring and mixing portion (61), wherein the stirring and mixing portion (61) is arranged inside the hot blast furnace body (3); A cleaning and storage portion (62) is provided inside and outside the hot blast furnace body (3).

3. A vertical hot air furnace for sludge treatment according to claim 2, characterized in that: The stirring and mixing part (61) includes: A filter screen (611), the filter screen (611) is fixedly mounted on the top inner wall of the hot air stove body (3) and is located below the air inlet pipe (4); An installation box (612), wherein the installation box (612) is fixedly installed on the inner wall of the hot air stove body (3); A motor (613), wherein the motor (613) is fixedly mounted on the top of the base plate (1); The output end of the motor (613) is fixedly connected to a connecting shaft (614) and extends to the interior of the installation box (612). A stirring blade (615) is disposed on the outer wall movable sleeve of the connecting shaft (614).

4. A vertical hot blast furnace for sludge treatment according to claim 3, characterized in that: The bottom of the installation box (612) is evenly and equidistantly provided with filter holes (616), the outer wall of the connecting shaft (614) is movably sleeved with a mixing blade (617), one side of the mixing blade (617) is evenly and equidistantly provided with installation holes, and the interior of the installation hole is connected to a connecting column (618).

5. A vertical hot blast furnace for sludge treatment according to claim 4, characterized in that: A mounting strip (619) is fixedly mounted on one end of the connecting column (618), and a scraper (6110) is fixedly mounted on one side of the mounting strip (619).

6. A vertical hot blast furnace for sludge treatment according to claim 2, characterized in that: The cleaning and storage part (62) includes: A filter plate 1 (621), wherein the filter plate 1 (621) is fixedly mounted on the inner wall of the hot air furnace body (3) and is located below the mounting box (612); A second filter plate (622), wherein the second filter plate (622) is fixedly mounted on the inner wall of the hot air furnace body (3) and is located below the mixing blade (617); An arc-shaped slider (626), wherein the arc-shaped slider (626) is slidably connected to the inner wall of the hot blast furnace body (3); A mounting column (623), wherein the mounting column (623) is fixedly mounted on the bottom of the mixing blade (617); A cleaning area (624) is fixedly mounted on the bottom of the mounting column (623).

7. A vertical hot blast furnace for sludge treatment according to claim 6, characterized in that: A storage box (625) is provided below the second filter plate (622), and the storage box (625) is fixedly mounted on the inner wall of the hot air stove body (3).

8. The vertical hot blast furnace for sludge treatment according to claim 6, characterized in that: A connecting block (627) is fixedly mounted on the outer wall of the arc-shaped sliding block (626), and a push-pull groove (628) is provided on one side of the connecting block (627).