CN202781881U - Screw-press dewatering machine - Google Patents
Screw-press dewatering machine Download PDFInfo
- Publication number
- CN202781881U CN202781881U CN 201220379270 CN201220379270U CN202781881U CN 202781881 U CN202781881 U CN 202781881U CN 201220379270 CN201220379270 CN 201220379270 CN 201220379270 U CN201220379270 U CN 201220379270U CN 202781881 U CN202781881 U CN 202781881U
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- back pressure
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- screen cylinder
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Abstract
The utility model discloses a screw-press dewatering machine which comprises a machine frame and a sieve drum mounted on the machine frame. A screw shaft is arranged in the sieve drum and driven by a motor which is mounted on the machine frame, a screw blade is mounted on the screw shaft, a feed port is arranged at one end of the sieve drum and communicated with an inner cavity of the sieve drum, a discharge port is arranged at the end of the sieve drum and communicated with the inner cavity of the sieve drum, and a back pressure adjusting device which is used for adjusting the size of the discharge port is arranged on the machine frame. When the screw-press dewatering machine is in operation, material liquid enters the sieve drum from the feed port, due to increasing spiral extrusion pressure, the material liquid is constantly dewatered, and the concentration of the material liquid is increased; at last, according to the concentration of the material at the position of the discharge port, the size of the discharge port is regulated through the back pressure adjusting device; and therefore the concentration of the material which is discharged can be adjusted.
Description
Technical field
The utility model relates to a kind of spiral pressing dehydrator, particularly the adjustable spiral pressing dehydrator of a kind of discharge concentration.
Background technology
At present, along with the requirement of country to energy-saving and emission-reduction, increasing material need to be concentrated to higher concentration, such as higher materials of liquid content such as the paper pulp of Pulp And Papermaking Mill, screenings, mud, municipal sludges, all need to remove the moisture of the inside, so that store or transportation.Present spiral pressing dehydrator dewaters by the extruding of spiral self, the patent No. is that 201210014222.X discloses a kind of squeezing dehydration apparatus, it does not have to regulate the device of discharge concentration, when feed liquor concentration is low, the dehydrating effect variation, make discharge concentration very low, loss of material is large, and energy consumption is high.
Summary of the invention
The technical problems to be solved in the utility model provides the adjustable spiral pressing dehydrator of a kind of discharge concentration.
For solving the problems of the technologies described above, the utility model comprises frame and rack-mounted screen cylinder, be provided with the helical axis that is driven by rack-mounted power set in the screen cylinder, helical blade is installed on the helical axis, screen cylinder one end is provided with the charging aperture that is communicated with its inner chamber, the other end is provided with the discharging opening that is communicated with its inner chamber, and its design feature is that frame is provided with for the back pressure regulator device of regulating the discharging opening size.
After adopting said structure, during work, feed liquid enters screen cylinder from charging aperture, rely on the extruding force of the spiral that constantly increases, material constantly dewaters, concentration improves, last concentration according to the exit material, regulate the size of discharging opening by back pressure regulator device, and then can regulate discharge concentration.
Described back pressure regulator device comprises that the back pressure ring set is contained between helical axis and the screen cylinder by the back pressure ring of rack-mounted cylinder control.
The contact-making surface of described back pressure ring and feed liquid is the frustum face, and the frustum face becomes greatly gradually along the pusher orient diameter, can better control the size of discharging opening.
The contact-making surface of described back pressure ring and helical axis becomes greatly gradually along the pusher orient diameter, and the contact-making surface of back pressure ring and helical axis is less, reduces both frictional force.
Described screen cylinder is divided into precompressed zone, drying zone and higher-pressure region successively from feed end to discharge end, the screen-aperture of screen cylinder becomes large gradually from precompressed zone to the higher-pressure region, preventing the material loss of low concentration, the screen-aperture of higher-pressure region is convenient to more greatly deviating from of moisture in the material to the screen-aperture of precompressed zone than I.
The external diameter of described helical blade is identical, and the diameter from feed end to the discharge end helical axis becomes greatly gradually, the pitch of helical blade reduces gradually, and the extruding space is reduced gradually, increases squeeze pressure, strengthens dehydrating effect.
Described helical axis is cylindrical near discharge port end.
Described helical blade comprises the extrusion spiral blade that is arranged on the spiral axial cone section and is arranged on the conveyor screw blade of helical axis cylindrical section that extrusion spiral blade and conveyor screw blade are interrupted setting.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is back pressure structure of rings schematic diagram.
The specific embodiment
As shown in Figure 1, spiral pressing dehydrator comprises frame 1, casing 13 is installed on the frame 2, be provided with screen cylinder 2 in the casing 13, casing 13 is provided with liquid outlet 10 below screen cylinder 2, be provided with helical axis 3 in the screen cylinder 2, the identical helical blade of external diameter 4 is installed on the helical axis 3, helical blade 4 external diameters and screen cylinder 2 inwalls have certain interval, screen cylinder 2 one ends are provided with the charging aperture 8, the other end that are communicated with its inner chamber and are provided with the discharging opening 9 that is communicated with its inner chamber, helical axis 3 is driven by the power set 7 that are installed in frame 1 discharge end, and described power set 7 are motor.Frame 1 is provided with reductor 11, and reductor 11 is connected with the power output shaft of motor 7, and the power output shaft of reductor 11 is connected with helical axis 3 by shaft coupling 12.Screen cylinder 2 is divided into precompressed zone, drying zone and higher-pressure region successively from feed end to discharge end, the screen-aperture of screen cylinder 2 becomes large gradually from precompressed zone to the higher-pressure region, preventing the material loss of low concentration, the screen-aperture of higher-pressure region is convenient to more greatly deviating from of moisture in the material to the screen-aperture of precompressed zone than I.Diameter from feed end to discharge end helical axis 3 becomes greatly gradually, the pitch of helical blade 4 reduces gradually, and the extruding space is reduced gradually, increases squeeze pressure, strengthens dehydrating effect.Helical axis 3 is cylindrical near discharge port end, helical blade 4 comprises the extrusion spiral blade 41 that is arranged on the spiral axial cone section and the conveyor screw blade 42 that is arranged on the helical axis cylindrical section, extrusion spiral leaf 41 and conveyor screw blade 42 are interrupted setting, be that helical blade is 4 discontinuous, it disconnects at the helical axis cylindrical section and is divided into extrusion spiral blade 41 and conveyor screw blade 42 two parts, conveyor screw blade 42 arranges a circle at helical axis 3 and gets final product, and is convenient to discharging.
Frame 1 is provided with for the back pressure regulator device of regulating the discharging opening size at discharge end.Back pressure regulator device comprises back pressure ring 6, back pressure ring 6 slides on the helical axis 3, the discharge end sealing of the cavity volume that helical axis 3 and screen cylinder 2 can be formed, back pressure ring 6 is by three cylinders, 5 controls that are installed on the frame 1, three cylinders 5 evenly are periphery on back pressure ring 6, cylinder 5 is controlled by the PLC control system, the pressure of control cylinder 5 and stroke are controlled the position of back pressure ring 6, thereby the size of control discharging opening 9, and then adjusting discharge concentration, the control parameter of PLC control system can be set according to the difference of feed concentration during use, better regulate discharge concentration, the applicability of this equipment is strengthened.
As shown in Figure 2, back pressure ring 6 is the frustum face with the contact-making surface of feed liquid, and the frustum face becomes greatly gradually along the pusher orient diameter, can better control the size of discharging opening.Back pressure ring 6 becomes greatly along the pusher orient diameter gradually with the contact-making surface of helical axis 3, and back pressure ring 6 is less with the contact-making surface of helical axis 3, reduces both frictional force.Back pressure ring 6 can directly be hollowed out the middle part by a frustum body and make, also can be welded by an annular flap 15 and the straight plate 14 of annular, rear its structure of a kind of embodiment is as shown in Figure 2: the bending angle of annular flap 15 is acute angle, its tip outer surface contacts with helical axis 3, the straight plate 14 of annular is connected with the two ends of annular flap 15, the straight plate 14 of annular and helical axis 3 concentric settings, the straight plate 14 of annular is fixed on the piston rod of cylinder 5.
During work, feed liquid enters screen cylinder 2 from charging aperture 8, relies on the extruding force of the spiral that constantly increases, and material constantly dewaters, concentration improves, concentration according to the exit material, control cylinder 5 is regulated the position of back pressure rings 6, makes back pressure ring 6 with the further pressing materials of certain pressure, when reaching required concentration, material is discharged from discharging opening 9, the filtrate that squeezes out in the material is passed sieve 2, discharges from liquid outlet 10, has realized the adjusting of discharge concentration.
Claims (8)
1. spiral pressing dehydrator, comprise frame (1) and be installed in screen cylinder (2) on the frame (1), be provided with the helical axis (3) that is driven by the power set (7) that are installed on the frame (1) in the screen cylinder (2), helical blade (4) is installed on the helical axis (3), screen cylinder (2) one ends are provided with the charging aperture (8) that is communicated with its inner chamber, the other end is provided with the discharging opening (9) that is communicated with its inner chamber, it is characterized in that frame (1) is provided with for the back pressure regulator device of regulating the discharging opening size.
2. spiral pressing dehydrator according to claim 1 is characterized in that described back pressure regulator device comprises that back pressure ring (6) is sleeved between helical axis (3) and the screen cylinder (2) by the back pressure ring (6) that is installed in cylinder (5) control on the frame (1).
3. spiral pressing dehydrator according to claim 2 is characterized in that described back pressure ring (6) and the contact-making surface of feed liquid are the frustum face, and the frustum face becomes large gradually along the pusher orient diameter.
4. according to claim 2 or 3 described spiral pressing dehydrators, it is characterized in that described back pressure ring (6) and the contact-making surface of helical axis (3) become large gradually along the pusher orient diameter.
5. spiral pressing dehydrator according to claim 1 is characterized in that described screen cylinder (2) is divided into precompressed zone, drying zone and higher-pressure region from feed end successively to discharge end, and the screen-aperture of screen cylinder (2) becomes large gradually from precompressed zone to the higher-pressure region.
6. spiral pressing dehydrator according to claim 1 is characterized in that the external diameter of described helical blade (4) is identical, and the diameter from feed end to discharge end helical axis (3) becomes greatly gradually, the pitch of helical blade (4) reduces gradually.
7. spiral pressing dehydrator according to claim 1 is characterized in that described helical axis (3) is cylindrical near discharge port end.
8. spiral pressing dehydrator according to claim 7, it is characterized in that described helical blade (4) comprises the conveyor screw blade (42) that is arranged on the extrusion spiral blade (41) on helical axis (3) the cone section and is arranged on helical axis (3) cylindrical section, extrusion spiral blade (41) and conveyor screw blade (42) are interrupted setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379270 CN202781881U (en) | 2012-08-02 | 2012-08-02 | Screw-press dewatering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379270 CN202781881U (en) | 2012-08-02 | 2012-08-02 | Screw-press dewatering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202781881U true CN202781881U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220379270 Expired - Fee Related CN202781881U (en) | 2012-08-02 | 2012-08-02 | Screw-press dewatering machine |
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| CN (1) | CN202781881U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657162A (en) * | 2013-12-16 | 2014-03-26 | 魏伟亮 | Efficient and energy-saving solid-liquid separator |
| CN103753837A (en) * | 2014-01-06 | 2014-04-30 | 新乡市众科机械有限公司 | Single-screw squeezing dewaterer |
| CN104096394A (en) * | 2014-06-18 | 2014-10-15 | 成都新筑展博环保科技有限公司 | Screw pressing dewaterer for sludge dewatering |
| CN104985851A (en) * | 2015-07-16 | 2015-10-21 | 陈巨根 | Spiral extrusion dehydrator |
| CN105400686A (en) * | 2015-12-24 | 2016-03-16 | 重庆市农业科学院 | Biogas fermentation high-solid-content material feeding device and method |
| CN105462818A (en) * | 2015-12-24 | 2016-04-06 | 重庆市农业科学院 | Biogas fermentation deslagging device and biogas fermentation tank |
| CN105751563A (en) * | 2014-12-16 | 2016-07-13 | 镇江润京机电科技有限公司 | Cow dung resource innocent treatment device |
| CN106671466A (en) * | 2017-02-04 | 2017-05-17 | 北京利晟新能生物科技中心（有限合伙） | Screw extruder for plant straw dehydration |
| CN106739087A (en) * | 2017-02-04 | 2017-05-31 | 北京利晟新能生物科技中心（有限合伙） | For the screw extruder of gas-explosive material dehydration |
| WO2017107944A1 (en) * | 2015-12-24 | 2017-06-29 | 重庆市农业科学院 | Device and method for feeding methane fermentation material with high solid content |
| CN107244795A (en) * | 2017-07-20 | 2017-10-13 | 河北工业大学 | A kind of excrement dehydration equipment |
| CN107282179A (en) * | 2017-08-24 | 2017-10-24 | 广东惜福环保科技有限公司 | Garbage dewatering device and refuse disposal system |
| CN107351437A (en) * | 2017-07-19 | 2017-11-17 | 上海诺辉工程科技发展有限公司 | Auto purification type screw extrusion slag tapping equipment and its application method |
| CN107576154A (en) * | 2017-09-11 | 2018-01-12 | 山东宝星机械有限公司 | A kind of cock skin Anderson moisture expeller Anderson |
| CN107755412A (en) * | 2017-11-25 | 2018-03-06 | 福建省劲牛重工发展有限公司 | A kind of restaurant garbage treating system and technique |
| CN108906249A (en) * | 2018-06-04 | 2018-11-30 | 牛瑞志 | A kind of feed stuff reducing device with dehydrating function |
| CN109501356A (en) * | 2018-12-07 | 2019-03-22 | 上海水域环境发展有限公司 | Water plant dewatering system |
| CN110160326A (en) * | 2019-05-08 | 2019-08-23 | 浙江宝绿特环保技术工程有限公司 | Bottle piece dewaterer and method |
| CN110403215A (en) * | 2019-08-23 | 2019-11-05 | 湖南天爱农业科技有限公司 | A kind of producing unit of feed |
| CN112322425A (en) * | 2020-12-08 | 2021-02-05 | 九江市耐得封缸酒业有限公司 | Brewing equipment for aged yellow wine |
| CN112517607A (en) * | 2020-11-24 | 2021-03-19 | 信和（天津）环保科技发展有限公司 | Extrusion type flue gas isolation dry distillation machine |
-
2012
- 2012-08-02 CN CN 201220379270 patent/CN202781881U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657162A (en) * | 2013-12-16 | 2014-03-26 | 魏伟亮 | Efficient and energy-saving solid-liquid separator |
| CN103753837A (en) * | 2014-01-06 | 2014-04-30 | 新乡市众科机械有限公司 | Single-screw squeezing dewaterer |
| CN104096394A (en) * | 2014-06-18 | 2014-10-15 | 成都新筑展博环保科技有限公司 | Screw pressing dewaterer for sludge dewatering |
| CN105751563A (en) * | 2014-12-16 | 2016-07-13 | 镇江润京机电科技有限公司 | Cow dung resource innocent treatment device |
| CN104985851A (en) * | 2015-07-16 | 2015-10-21 | 陈巨根 | Spiral extrusion dehydrator |
| CN105400686A (en) * | 2015-12-24 | 2016-03-16 | 重庆市农业科学院 | Biogas fermentation high-solid-content material feeding device and method |
| CN105462818A (en) * | 2015-12-24 | 2016-04-06 | 重庆市农业科学院 | Biogas fermentation deslagging device and biogas fermentation tank |
| WO2017107944A1 (en) * | 2015-12-24 | 2017-06-29 | 重庆市农业科学院 | Device and method for feeding methane fermentation material with high solid content |
| CN106671466A (en) * | 2017-02-04 | 2017-05-17 | 北京利晟新能生物科技中心（有限合伙） | Screw extruder for plant straw dehydration |
| CN106739087A (en) * | 2017-02-04 | 2017-05-31 | 北京利晟新能生物科技中心（有限合伙） | For the screw extruder of gas-explosive material dehydration |
| CN106739087B (en) * | 2017-02-04 | 2019-06-21 | 包头国士鼎盛投资有限公司 | Screw extruder for steam-puffed plant straw and stalk material dewatering |
| CN107351437A (en) * | 2017-07-19 | 2017-11-17 | 上海诺辉工程科技发展有限公司 | Auto purification type screw extrusion slag tapping equipment and its application method |
| CN107244795A (en) * | 2017-07-20 | 2017-10-13 | 河北工业大学 | A kind of excrement dehydration equipment |
| CN107282179A (en) * | 2017-08-24 | 2017-10-24 | 广东惜福环保科技有限公司 | Garbage dewatering device and refuse disposal system |
| CN107576154A (en) * | 2017-09-11 | 2018-01-12 | 山东宝星机械有限公司 | A kind of cock skin Anderson moisture expeller Anderson |
| CN107755412A (en) * | 2017-11-25 | 2018-03-06 | 福建省劲牛重工发展有限公司 | A kind of restaurant garbage treating system and technique |
| CN108906249A (en) * | 2018-06-04 | 2018-11-30 | 牛瑞志 | A kind of feed stuff reducing device with dehydrating function |
| CN109501356A (en) * | 2018-12-07 | 2019-03-22 | 上海水域环境发展有限公司 | Water plant dewatering system |
| CN110160326A (en) * | 2019-05-08 | 2019-08-23 | 浙江宝绿特环保技术工程有限公司 | Bottle piece dewaterer and method |
| CN110403215A (en) * | 2019-08-23 | 2019-11-05 | 湖南天爱农业科技有限公司 | A kind of producing unit of feed |
| CN112517607A (en) * | 2020-11-24 | 2021-03-19 | 信和（天津）环保科技发展有限公司 | Extrusion type flue gas isolation dry distillation machine |
| CN112322425A (en) * | 2020-12-08 | 2021-02-05 | 九江市耐得封缸酒业有限公司 | Brewing equipment for aged yellow wine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |