CN112777915A - Small-size sealed sludge drying electric stirring device - Google Patents
Small-size sealed sludge drying electric stirring device Download PDFInfo
- Publication number
- CN112777915A CN112777915A CN202110238853.9A CN202110238853A CN112777915A CN 112777915 A CN112777915 A CN 112777915A CN 202110238853 A CN202110238853 A CN 202110238853A CN 112777915 A CN112777915 A CN 112777915A
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- China
- Prior art keywords
- sludge
- hole
- stirring paddle
- upper portion
- top cover
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/16—Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a small sealed electric stirring device for sludge drying, and relates to the field of sludge treatment. The main body of the invention comprises a top cover, an upper part of the device, a lower part of the device and a stirring paddle; the top cover is connected with the upper portion of the device, the opening of the upper portion of the device is guaranteed to be sealed completely, the upper portion of the device and the lower portion of the device are kept sealed completely through screw pressing, the bottom of the lower portion of the device is provided with a limiting hole, the limiting hole and the opening of the upper portion of the device are coaxial, the vertical and uniform rotation of a stirring paddle penetrating through the top cover is guaranteed together, the stirring paddle is provided with a double-layer movable paddle, dry sludge on the wall of the device in the drying process can be scraped, the dry sludge is guaranteed to be sufficiently broken. The invention has the advantages of simple structure, good air tightness, uniform heating, good sludge drying effect and crushing effect and high drying efficiency, can fully simulate the actual drying process of sludge, and solves the problems that the drying gas is difficult to collect and develop the research in the sludge drying research process.
Description
Technical Field
The invention belongs to the technical field of sludge treatment equipment, and particularly relates to a sludge drying device.
Background
The stabilization and harmless treatment of the sludge are policies clearly proposed by the national water pollution prevention and control action plan. With the problem of sludge pollution becoming more serious, sludge treatment technology has also been developed. The sludge treatment technology mainly comprises the aspects of sludge concentration, sludge digestion, sludge dehydration, composting, sludge high-temperature drying, sludge incineration and the like. The high-temperature drying is to dry the sludge in the device by utilizing heat transfer devices such as a heating drum dryer, a thin-wall dryer and the like through heat transfer to remove bound water and interstitial water in the sludge, has the advantages of high stability, high drying speed and the like, and can reduce the occupied area of the sludge and inhibit the release of sludge odor.
However, research on pollutants released by sludge in a high-temperature drying process is slow, the pollutants are mostly discharged by a tubular electric furnace for heating decomposition research in the previous research, the added amount of the sludge is within 5g, the scale is too small, and the experimental conditions cannot well simulate the actual working conditions, so that the deviation between the drying research and the actual application is large.
Disclosure of Invention
The invention aims to provide a small sealed electric stirring device for sludge drying.
The main body of the invention comprises a top cover, an upper part of the device, a lower part of the device and a stirring paddle; the top cover is connected with the upper portion of the device, the opening of the upper portion of the device is guaranteed to be sealed completely, the upper portion of the device and the lower portion of the device are kept sealed completely through screw pressing, the bottom of the lower portion of the device is provided with a limiting hole, the limiting hole and the opening of the upper portion of the device are coaxial, the vertical and uniform rotation of a stirring paddle penetrating through the top cover is guaranteed together, the stirring paddle is provided with a double-layer movable paddle, dry sludge on the wall of the device in the drying process can be scraped, the dry sludge is guaranteed to be sufficiently broken.
The lower part of the top cover is an outer thread, the upper part of the top cover is a regular hexagon, and a silica gel wafer at the lower part of the top cover is extruded to seal a hole in the upper cover.
The upper part of the device is provided with holes in a center hole and two sides, the center hole is a stirring shaft fixing hole, the two side holes are an air inlet hole and an air outlet hole, the two holes are connected with small ball valves, raw rubber belts are wound to guarantee air tightness, the upper part of the device is provided with four holes in the edge, and the device is fixed through screw nuts.
The upper end of the lower part of the device is as large as the upper part of the device, holes are formed in the same position, the lower part of the device is fixed with the upper part of the device through screw nuts, a limiting hole is formed in the center of the bottom of the lower part of the device, the limiting hole and the central hole in the upper part of the device are coaxial, the stirring paddle can be guaranteed to vertically and uniformly rotate, handles are welded on two sides of the lower part of the device.
The stirring rake, its paddle is adjustable to it is fixed through the jackscrew at paddle center, can adjust from top to bottom according to required drying effect, paddle length ratio device lower part internal diameter is little slightly less, guarantees can not cause extra resistance when scraping on the wall mud, and the paddle needs special opening down, reserves the space for the spacing hole of device lower part, and the stirring rake passes through the centre bore on device upper portion and the vertical fixed in spacing hole of device lower part. The stirring paddle is designed to rotate clockwise according to the type of a common electric stirrer in the market, and the blades face oppositely if the stirring paddle needs to stir anticlockwise.
The invention has the advantages of simple structure, good air tightness, uniform heating, good sludge drying effect and crushing effect and high drying efficiency, can fully simulate the actual drying process of sludge, solves the problem that the drying gas is difficult to research in the sludge drying research process, and provides stable and reliable equipment for related research.
Drawings
FIG. 1 is a schematic view of the present invention
FIG. 2 is a front view, a top view, and a cross-sectional view of a portion of the top cover of the present invention
FIG. 3 is a top plan view and a cross-sectional view of the upper half of the present invention
FIG. 4 is a side view, a top view, and a cross-sectional view of the lower half of the present invention
FIG. 5 is a partial front view, plan view, and side view of a paddle according to the present invention
In the drawings, the meanings represented by the reference numerals are tabulated below: 1-top cover limiting hole, 2-external thread, 3-regular hexagon processing, 4-internal thread, 5-air inlet/outlet hole, 6-upper half limiting hole, 7-upper and lower part connecting hole, 8-device handle, 9-lower half limiting hole, 10-upper and lower part connecting hole, 11-stirring paddle main rod, 12-paddle top thread, 13-upper paddle blade, 14-lower paddle blade, 15-reserved area avoiding limiting hole, and 16-included angle between paddle and lower bottom surface.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which are not intended to limit the present invention, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.
As shown in fig. 1, the final assembly diagram of the present invention is shown. The main body of the invention comprises a top cover, an upper part of the device, a lower part of the device and a stirring paddle; the top cover is connected with the upper portion of the device, the opening of the upper portion of the device is guaranteed to be sealed completely, the upper portion of the device and the lower portion of the device are kept sealed completely through screw pressing, the bottom of the lower portion of the device is provided with a limiting hole, the limiting hole and the opening of the upper portion of the device are coaxial, the vertical and uniform rotation of a stirring paddle penetrating through the top cover is guaranteed together, the stirring paddle is provided with a double-layer movable paddle, dry sludge on the wall of the device in the drying process can be scraped, the dry sludge is guaranteed to be sufficiently broken.
As shown in fig. 2, the lower part of the top cover is an external thread, the upper part of the top cover is a regular hexagon, and the hole in the top cover is sealed by extruding the silica gel wafer at the lower part.
As shown in figure 3, the upper part of the device is provided with a central hole and two sides, the central hole is a stirring shaft fixing hole, the two side holes are an air inlet hole and an air outlet hole, the two holes are connected with small ball valves, raw rubber belts are wound to ensure air tightness, the upper part of the device is provided with four holes at the edge, and the four holes are fixed through screw nuts.
As shown in figure 4, the upper end of the lower part of the device is as large as the upper part of the device, holes are formed in the same positions and are fixed with the upper part of the device through screw nuts, a limiting hole is formed in the center of the bottom, the central hole is coaxial with the central hole in the upper part of the device, the stirring paddle can be guaranteed to vertically and uniformly rotate, handles are welded on the two sides, and the whole device can be easily taken.
As shown in fig. 5, the paddle of the stirring paddle is adjustable and fixed by the jackscrew at the center of the paddle, and can be adjusted up and down according to the required drying effect, the length of the paddle is slightly smaller than the inner diameter of the lower part of the device, so that the additional resistance can not be caused when sludge on the wall is scraped, the lower paddle needs to be specially opened to reserve a space for the limiting hole at the lower part of the device, and the stirring paddle is vertically fixed with the limiting hole at the lower part of the device through the center hole at the upper part of the. The stirring paddle is designed to rotate clockwise according to the type of a common electric stirrer in the market, and the blades face oppositely if the stirring paddle needs to stir anticlockwise.
Claims (5)
1. A small-sized sealed sludge drying electric stirring device is characterized in that a main body is formed by combining a top cover, an upper part of the device, a lower part of the device and a stirring paddle. The top cover is connected with the upper portion of the device, the opening of the upper portion of the device is guaranteed to be completely sealed, the upper portion of the device and the lower portion of the device are kept completely sealed through screw pressing, the bottom of the lower portion of the device is provided with a limiting hole, the limiting hole and the opening of the upper portion of the device are coaxial, the vertical and uniform rotation of a stirring paddle penetrating through the top cover is guaranteed together, the stirring paddle is provided with a double-layer movable paddle, and all components in the main.
2. The overcap of claim 1, wherein the overcap lower portion comprises an outer thread and the overcap upper portion comprises a regular hexagon, and wherein the upper cap central bore is sealed by compressing a lower silicone disc.
3. The upper part of the device of claim 1, wherein the central hole and the two sides are provided with holes, the central hole is a fixing hole of the stirring shaft, the two sides are an air inlet hole and an air outlet hole, the two holes are connected with small ball valves, the raw rubber belt is wound to ensure air tightness, and the upper part of the device is provided with four holes on the edge and is fixed by screw nuts.
4. The lower part of the device as claimed in claim 1, wherein the upper end is as large as the upper part of the device and is perforated at the same position, and is fixed to the upper part of the device by a screw nut, the bottom has a limiting hole at the center, and is coaxial with the central hole of the upper part of the device, so as to ensure that the stirring paddle can vertically and uniformly rotate, and the handles are welded at both sides, so that the whole device can be easily taken.
5. The mixing propeller as recited in claim 1, wherein the blades are adjustable, fixed by a jackscrew at the center of the blades, adjustable up and down according to the desired drying effect, the length of the blades is slightly smaller than the inner diameter of the lower portion of the device to ensure that no additional resistance is caused when scraping sludge on the wall, the lower blades need to be specially opened to leave a space for a limiting hole at the lower portion of the device, and the mixing propeller is vertically fixed with the limiting hole at the lower portion of the device through a center hole at the upper portion of the device. The stirring paddle is designed to rotate clockwise according to the type of a common electric stirrer in the market, and the blades face oppositely if the stirring paddle needs to stir anticlockwise.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110238853.9A CN112777915A (en) | 2021-03-04 | 2021-03-04 | Small-size sealed sludge drying electric stirring device |
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CN202110238853.9A CN112777915A (en) | 2021-03-04 | 2021-03-04 | Small-size sealed sludge drying electric stirring device |
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CN112777915A true CN112777915A (en) | 2021-05-11 |
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CN202110238853.9A Pending CN112777915A (en) | 2021-03-04 | 2021-03-04 | Small-size sealed sludge drying electric stirring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113651520A (en) * | 2021-08-31 | 2021-11-16 | 天津科技大学 | Conveying belt type space-adjustable flash tank internal part structure |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1473533A2 (en) * | 2003-04-30 | 2004-11-03 | Armin Vonplon | Process and apparatus for continuous drying of material, especially sewage sludge. |
CN206069684U (en) * | 2016-08-23 | 2017-04-05 | 杭州丽顺环境科技有限公司 | A kind of sludge drying furnace |
CN208213093U (en) * | 2017-12-28 | 2018-12-11 | 武汉吉隆过滤技术有限公司 | A kind of sludge drying granulation device |
-
2021
- 2021-03-04 CN CN202110238853.9A patent/CN112777915A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1473533A2 (en) * | 2003-04-30 | 2004-11-03 | Armin Vonplon | Process and apparatus for continuous drying of material, especially sewage sludge. |
CN206069684U (en) * | 2016-08-23 | 2017-04-05 | 杭州丽顺环境科技有限公司 | A kind of sludge drying furnace |
CN208213093U (en) * | 2017-12-28 | 2018-12-11 | 武汉吉隆过滤技术有限公司 | A kind of sludge drying granulation device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113651520A (en) * | 2021-08-31 | 2021-11-16 | 天津科技大学 | Conveying belt type space-adjustable flash tank internal part structure |
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Application publication date: 20210511 |
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