CN219861004U - Rotary drum thickener capable of controlling concentration rate - Google Patents
Rotary drum thickener capable of controlling concentration rate Download PDFInfo
- Publication number
- CN219861004U CN219861004U CN202321365853.6U CN202321365853U CN219861004U CN 219861004 U CN219861004 U CN 219861004U CN 202321365853 U CN202321365853 U CN 202321365853U CN 219861004 U CN219861004 U CN 219861004U
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- Prior art keywords
- rotary drum
- shell
- frame
- screen
- drum
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- 239000002562 thickening agent Substances 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000002893 slag Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010009 beating Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
A rotary drum thickener capable of controlling concentration rate relates to the technical field of sewage treatment equipment. Comprises a rectangular frame, a shell is fixedly arranged on the frame, and a liquid outlet is arranged at the bottom end of the shell; the lower part of the shell is conical and protrudes downwards out of the supporting plane of the frame, and a liquid outlet is formed in the bottom end of the shell; a rotary drum mechanism is arranged in the shell and comprises a filtering rotary drum, a spiral propeller is arranged in the filtering rotary drum in a rotating mode, the spiral propeller comprises a diameter reduction section, spiral blades are arranged on the diameter reduction section, and the spiral blades are in rotary fit with the inner wall of the filtering rotary drum. The spiral blades and the filtering rotary drum are rotationally attached, so that sludge can only be pushed forward by the spiral blades, the impact force of polluted water can not be fast forward, and the front sludge can only be extruded forward, thereby greatly improving the effects of rotation, beating and extrusion, improving the concentration efficiency, and the outflow concentration after concentration treated by the method can reach more than 10%.
Description
Technical Field
The utility model relates to the technical field of sewage treatment equipment, in particular to a rotary drum thickener capable of controlling concentration rate.
Background
The drum thickener is mainly aimed at sludge with the concentration of 1% or lower than 1%, so that the solid content of the sludge, namely the concentration of the sludge, is improved, the outflow concentration of the sludge after being concentrated by the drum thickener is more than 3%, the subsequent mechanical dehydration is facilitated, and the working efficiency and the use effect of the mechanical dehydration are improved.
According to the rotary drum of the sludge thickener disclosed by the utility model, the number of layers of the spiral blades is increased, so that the material is rotated, beaten and extruded through the multi-layer spiral blades, the concentration effect is obviously improved, the multi-layer spiral blades can rapidly push out the material through rotation, and meanwhile, the multi-layer spiral blades are rotated, beaten and extruded, so that the concentration and dehydration effects are better ensured; however, in the practical use process, the sludge has a higher feeding speed, and the arrangement of the multi-layer spiral blades cannot well achieve the effects of rotation, beating and extrusion under the rapid impact of water flow, so that the outflow concentration of the sludge is difficult to reach more than 5% after the sludge is concentrated by the rotary drum.
Disclosure of Invention
The utility model aims to provide a rotary drum thickener capable of controlling the concentration rate, which can effectively solve the problems in the background technology.
The technical scheme for achieving the purposes is as follows: a drum thickener capable of controlling concentration rate is characterized in that: comprises a rectangular frame, a shell is fixedly arranged on the frame, and a liquid outlet is arranged at the bottom end of the shell;
the lower part of the shell is conical and protrudes downwards out of the supporting plane of the frame, and a liquid outlet is formed in the bottom end of the shell;
a rotary drum mechanism is arranged in the shell and comprises a filtering rotary drum, the filtering rotary drum comprises a filtering screen drum, screen bases extending out of the shell towards two sides are integrally arranged at two ends of the filtering screen drum, a sealing bearing is arranged between the screen bases and the shell, and a first driving mechanism for driving the filtering rotary drum to rotate is arranged on the frame;
the filter rotary drum is rotatably provided with a spiral propeller, the spiral propeller comprises a diameter reduction section, spiral blades are arranged on the diameter reduction section and rotationally attached to the inner wall of the filter rotary drum, two ends of the diameter reduction section are provided with diameter expansion sections rotationally connected with screen seats at two ends of the filter rotary drum, and the diameter expansion sections extend outwards from the filter rotary drum and are provided with a second driving mechanism for driving the spiral propeller to rotate with the frame;
the expanding section of screw propeller one end is provided with the feed channel of intercommunication filtration rotary drum inner chamber, and feed channel's inner chamber intercommunication with screw propeller, feed channel's access connection has the rotary joint who is used for connecting feed pipeline, be provided with the slag notch on the filtration rotary drum lateral wall of screw propeller discharge end, the slag notch is connected with the slag pipe of downwards wearing out the shell.
Further, the first driving mechanism comprises first supporting wheel grooves which are respectively arranged on the outer walls of the screen seats at the two ends, the two ends of the frame are rotatably provided with first supporting wheels which are symmetrically arranged along the width direction of the frame, the first supporting wheel grooves on the screen seats are respectively rotatably supported on the first supporting wheels at the corresponding ends, the frame is provided with a first driving motor for driving one of the first supporting wheels to rotate, and the first driving motor is coaxially connected with the corresponding first supporting wheel.
Further, the second driving mechanism comprises second supporting wheel grooves respectively arranged on the outer walls of the extending ends of the diameter expanding sections at the two ends, second supporting wheels symmetrically arranged along the width direction of the base are rotatably arranged at the two ends of the frame, the second supporting wheel grooves on the spiral propeller are respectively rotatably supported on the second supporting wheels at the corresponding ends, a second driving motor for driving one of the second supporting wheels to rotate is arranged on the frame, and the second driving motor is coaxially connected with the corresponding second supporting wheel.
Further, annular cavities with circular cross sections are respectively arranged between the screen seats at the two ends and the corresponding end expanding sections of the spiral propeller, a circle of steel balls are supported and arranged in the annular cavities, the diameters of the steel balls are slightly larger than those of the cross sections of the annular cavities, so that the screen seats and the spiral propeller form running fit, and a framework oil seal is further arranged between the screen seats at the inner sides of the annular cavities and the expanding sections of the spiral propeller.
Further, steel ball adding holes communicated with the annular cavities are formed in the screen seats at the two ends, plugs are arranged in the steel ball adding holes, the inner ends of the plugs are arc-shaped surfaces in running fit with the steel balls, the outer ends of the plugs extend out of the screen seats and are connected with annular flanges, and the annular flanges of the plugs are connected with the screen seats through bolts.
The utility model has the beneficial effects that:
the spiral blades and the filtering rotary drum are rotationally attached, so that sludge can only be pushed forward by the spiral blades, the impact force of polluted water can not be fast forward, and the front sludge can only be extruded forward, thereby greatly improving the effects of rotation, beating and extrusion, improving the concentration efficiency, and the outflow concentration after concentration treated by the method can reach more than 10%.
The sludge is driven forward by the spiral blade, so that the rotating speed of the spiral blade can be controlled according to the requirement to control the treatment time of the materials, thereby controlling the concentration rate.
According to the utility model, the screen seats at the two ends are in running fit with the diameter-enlarging sections of the spiral propeller through the steel balls, and the screen seats and the diameter-enlarging sections of the spiral propeller are respectively used as the inner ring and the outer ring of the bearing, so that the radial size of the rotary drum mechanism can be reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view of a portion a in fig. 1;
fig. 3 is a partial schematic view of the present utility model.
Detailed Description
The foregoing and other features and advantages of the utility model will be described in more detail below with reference to the following drawings.
As shown in fig. 1-3, a drum thickener capable of controlling the concentration rate comprises a rectangular frame 1, wherein a housing 2 is fixedly arranged on the frame 1, the lower part of the housing 2 is conical and protrudes downwards out of a supporting plane of the frame 1, and a liquid outlet 3 is arranged at the bottom end of the housing 2.
The rotary drum mechanism 4 comprises a filtering rotary drum 7, the filtering rotary drum 7 comprises a filtering screen drum 8, two ends of the filtering screen drum 8 are integrally provided with screen bases 10 extending out of the outer shell 2 towards two sides, sealing bearings 9 are arranged between the screen bases 10 and the outer shell 2, rings Zhou Jun of the screen bases 10 are provided with first supporting wheel grooves 11, two ends of the machine frame 1 are rotatably provided with first supporting wheels 12 symmetrically arranged along the width direction of the machine frame 1, the first supporting wheel grooves 11 on the screen bases 10 at two ends are respectively rotatably supported on the first supporting wheels 12 at corresponding ends, a first driving motor 13 for driving one of the first supporting wheels 12 to rotate is arranged on the machine frame 1, and the first driving motor 13 is coaxially connected with the corresponding first supporting wheels 12.
The filter rotary drum 7 is rotatably provided with the spiral propeller 14, the spiral propeller 14 comprises a diameter reduction section 15, the diameter reduction section 15 is provided with spiral blades 16, the spiral blades 16 are rotationally attached to the inner wall of the filter rotary drum 7, two ends of the diameter reduction section 15 are provided with diameter expansion sections 17 which are rotationally connected with a screen seat 10 at the corresponding end of the filter rotary drum 7, the diameter expansion sections 17 extend outwards from the filter rotary drum 7 and are respectively provided with second supporting wheel grooves 18, two ends of the machine frame 1 are rotationally provided with second supporting wheels 19 symmetrically arranged along the width direction of the machine frame 1, the second supporting wheel grooves 18 on the spiral propeller 14 are respectively rotationally supported on the second supporting wheels 19 at the corresponding end, the machine frame 1 is provided with a second driving motor 20 which drives one of the second supporting wheels 19 to rotate, and the second driving motor 20 is coaxially connected with the corresponding second supporting wheels 19.
The expanding section 17 at one end of the spiral propeller 14 is provided with a feeding channel 21 communicated with the inner cavity of the filtering rotary drum 7, an inlet of the feeding channel 21 is positioned at the position of the spiral propeller 14, a rotary joint 22 used for connecting a feeding pipeline is connected to an inlet of the feeding channel 21, a slag outlet 23 is arranged on the side wall of the filtering rotary drum 7 at the discharge end of the spiral propeller 14, and the slag outlet 23 is connected with a slag outlet pipe 24 penetrating out of the shell 2 downwards.
In the embodiment, an annular cavity 25 with a circular cross section is arranged between the screen seat 10 at two ends and the diameter expansion section 17 of the spiral propeller 14, a circle of steel balls 26 is supported and arranged in the annular cavity 25, the diameter of the steel balls 25 is slightly larger than that of the cross section of the annular cavity 25, so that a running fit is formed between the screen seat 10 and the spiral propeller 14, and a framework oil seal 27 is further arranged between the screen seat 10 at the inner side of the annular cavity 25 and the diameter expansion section 17 of the spiral propeller 14.
Further, in order to facilitate filling of the steel balls 26 into the annular cavity 25, steel ball adding holes 28 communicated with the annular cavity are formed in the screen seats 10 at the two ends, plugs 29 are arranged in the steel ball adding holes 28, the inner ends of the plugs 29 are arc-shaped surfaces in running fit with the steel balls 16, the outer ends of the plugs 29 extend out of the screen seats 10 and are connected with annular flanges 30, and the annular flanges 30 of the plugs 29 are connected with the screen seats 10 through bolts.
The working process of the utility model comprises the following steps:
during operation, the feeding pipeline is connected with the rotary joint 22, the sludge added with the flocculating agent is input into the filtering rotary drum 7 through the feeding channel 21 of the spiral propeller 14, meanwhile, the first driving motor 13 drives the filtering rotary drum 7 to rotate through the first riding wheel 12, flocculated sewage enters the shell 2 through the filtering screen drum 7 under the centrifugal effect generated by the rotation of the filtering rotary drum 7, and finally is discharged through the liquid outlet 3 at the bottom of the shell 2.
While the first motor 13 drives the filter drum 7 to rotate for dehydration, the second driving motor 20 drives the spiral blades 16 of the spiral propeller 14 to rotate, thereby driving the sludge to be conveyed forward.
According to the utility model, the spiral blades 16 are rotationally attached to the filtering rotary drum 7, so that sewage can only be pushed forward by the spiral blades 16, the impact force of the polluted water can not be rapidly forwarded, the output of the sludge after the flocculation time can be ensured, meanwhile, the relatively closed conveying space is provided, the rotation, beating and extrusion effects on the sludge are improved, and the concentration efficiency is improved.
Claims (5)
1. A drum thickener capable of controlling concentration rate is characterized in that: comprises a rectangular frame, a shell is fixedly arranged on the frame, and a liquid outlet is arranged at the bottom end of the shell;
the lower part of the shell is conical and protrudes downwards out of the supporting plane of the frame, and a liquid outlet is formed in the bottom end of the shell;
a rotary drum mechanism is arranged in the shell and comprises a filtering rotary drum, the filtering rotary drum comprises a filtering screen drum, screen bases extending out of the shell towards two sides are integrally arranged at two ends of the filtering screen drum, a sealing bearing is arranged between the screen bases and the shell, and a first driving mechanism for driving the filtering rotary drum to rotate is arranged on the frame;
the filter rotary drum is rotatably provided with a spiral propeller, the spiral propeller comprises a diameter reduction section, spiral blades are arranged on the diameter reduction section and rotationally attached to the inner wall of the filter rotary drum, two ends of the diameter reduction section are provided with diameter expansion sections rotationally connected with screen seats at two ends of the filter rotary drum, and the diameter expansion sections extend outwards from the filter rotary drum and are provided with a second driving mechanism for driving the spiral propeller to rotate with the frame;
the expanding section of screw propeller one end is provided with the feed channel of intercommunication filtration rotary drum inner chamber, and feed channel's inner chamber intercommunication with screw propeller, feed channel's access connection has the rotary joint who is used for connecting feed pipeline, be provided with the slag notch on the filtration rotary drum lateral wall of screw propeller discharge end, the slag notch is connected with the slag pipe of downwards wearing out the shell.
2. A drum thickener capable of controlling a concentration ratio according to claim 1, wherein: the first driving mechanism comprises first supporting wheel grooves which are respectively arranged on the outer walls of the screen seats at the two ends, the two ends of the frame are rotatably provided with first supporting wheels which are symmetrically arranged along the width direction of the frame, the first supporting wheel grooves on the screen seats are respectively rotatably supported on the first supporting wheels at the corresponding ends, and the frame is provided with a first driving motor for driving one of the first supporting wheels to rotate, and the first driving motor is coaxially connected with the corresponding first supporting wheels.
3. A drum thickener capable of controlling a concentration ratio according to claim 1, wherein: the second driving mechanism comprises second supporting wheel grooves which are respectively arranged on the outer walls of the extending ends of the diameter-expanding sections at the two ends, second supporting wheels which are symmetrically arranged along the width direction of the base are rotatably arranged at the two ends of the frame, the second supporting wheel grooves on the spiral propeller are respectively rotatably supported on the second supporting wheels at the corresponding ends, a second driving motor for driving one of the second supporting wheels to rotate is arranged on the frame, and the second driving motor is coaxially connected with the corresponding second supporting wheel.
4. A drum thickener capable of controlling a concentration ratio according to claim 1, wherein: annular cavities with circular cross sections are respectively arranged between the screen seats at the two ends and the corresponding end expanding sections of the spiral propeller, a circle of steel balls are supported in the annular cavities, the diameters of the steel balls are larger than those of the cross sections of the annular cavities, so that the screen seats and the spiral propeller form running fit, and a framework oil seal is further arranged between the screen seats at the inner sides of the annular cavities and the expanding sections of the spiral propeller.
5. A drum thickener capable of controlling a concentration ratio according to claim 4, wherein: the screen seats at the two ends are provided with steel ball adding holes communicated with the annular cavity, plugs are arranged in the steel ball adding holes, the inner ends of the plugs are arc-shaped surfaces in running fit with the steel balls, the outer ends of the plugs extend out of the screen seats and are connected with annular flanges, and the annular flanges of the plugs are connected with the screen seats through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365853.6U CN219861004U (en) | 2023-05-31 | 2023-05-31 | Rotary drum thickener capable of controlling concentration rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365853.6U CN219861004U (en) | 2023-05-31 | 2023-05-31 | Rotary drum thickener capable of controlling concentration rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219861004U true CN219861004U (en) | 2023-10-20 |
Family
ID=88334106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321365853.6U Active CN219861004U (en) | 2023-05-31 | 2023-05-31 | Rotary drum thickener capable of controlling concentration rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219861004U (en) |
-
2023
- 2023-05-31 CN CN202321365853.6U patent/CN219861004U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |