CN201644062U - Screw driving piston pressurization sludge pelletizer - Google Patents
Screw driving piston pressurization sludge pelletizer Download PDFInfo
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- CN201644062U CN201644062U CN2010201786998U CN201020178699U CN201644062U CN 201644062 U CN201644062 U CN 201644062U CN 2010201786998 U CN2010201786998 U CN 2010201786998U CN 201020178699 U CN201020178699 U CN 201020178699U CN 201644062 U CN201644062 U CN 201644062U
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Abstract
The utility model discloses a screw driving piston pressurization sludge pelletizer, which belongs to a mechanical equipment class. The pelletizer comprises a support, a main working cylinder, a screw, a gear, a column sleeve piston, a motor and a cutting tool. The pelletizer adopts a mechanical transmission mode of gear transmission and screw pressurization and has the advantages of simple structure, low manufacture cost, high continuous operating rate, big extrusion acting force, good particle shaping stability, high pelletization strength, high yield and the like. The pelletizer is suitable for the pelletization treatment of various kinds of sludge, and thereby, the work efficiency of the equipment is improved and the problems of high cost and low work efficiency of special sludge pelletization equipment are solved.
Description
Technical field
The utility model discloses a kind of screw-rod-driven and piston-pressurized sludge pelletizer, belong to the plant equipment class.
Background technology
Along with the municipal sewage treatment Facilities Construction progressively raise speed and the sewage centralized treatment rate improve the sharp increase of sludge of sewage treatment plants generation day by day.According to relevant prediction, China's municipal sewage amount also has in next two decades and increases substantially, and quantity of wastewater effluent will reach 440 * 10 in 2010
8m
3/ d; The year two thousand twenty quantity of wastewater effluent reaches 536 * 10
8m
3/ d; Sludge quantity accounts for 0.3%～0.5% (volume) of sewage quantity usually or is about 1%～2% (quality) of sewage load.And if sewage is carried out advanced treating again, sludge quantity also can increase by 0.5～1 times.At present wastewater treatment in China amount and handling rate not high (4.5%), and about 9,000,000 t of municipal sewage plant's annual discharging mud, but also with the speed increment in every year about 10%.
The mud landfill is extensively promoted employing as cheap practical processing means in the large-and-medium size cities of China, yet because the moisture percentage in sewage sludge height, the content of organic matter is abundant, intensity is low, and directly landfill easily causes secondary pollution or the landfill yard unstability takes place and dash forward gushing accident, causes enormous economic loss.Lagged behind the greatly paces of China environmental protection and improvement of the severe situation that sewage sludge harmlessness is handled have caused showing great attention to of government and relevant departments.For this reason, the intensity of the reduction moisture percentage in sewage sludge and the content of organic matter, raising mud must be the essential means that promote the development of mud landfill.
Modified sewage sludge is carried out granulated processed; realize mud moulding transportation landfill; not only effectively stoped mud to drip to spatter and mummification dust from flying and the secondary pollution that causes have also further improved the intensity of mud, thereby guaranteed the security of mud landfill by moulding.Yet, at present domesticly on mud granulation landfill disposal, also be in the blank stage, unprecedentedly deficient at the special mechanical equipment of the granulation of mud, and part is existing also faces granulation grain forming instability with equipment, intensity is not high, and the rate of working continuously is low to wait predicament.
Summary of the invention
Problem at above-mentioned existence; the purpose of this utility model is to provide a kind of screw-rod-driven and piston-pressurized sludge pelletizer; this screw-rod-driven and piston-pressurized sludge pelletizer has advantages such as moulding speed is fast, granule strength is high, can work continuously at modified solidified mud, and its technical solution is:
Sludge granulator is by motor; bite (2); protective cover (3); main working cylinder (4); the column sleeve piston; driven wheel (10); power transmission gear (11); bearing block (12); support (13) is formed; wherein; main working cylinder (4) is hollow cylindrical; be provided with equally distributed discharge opening at main working cylinder (a 4) front end ancient piece of jade, round, flat and with a hole in its centre; the lateral surface of main working cylinder (4) front port is provided with protective cover (3); the lower end of protective cover (3) is provided with discharging opening; on protective cover (3), be set with first motor (1); the axle of first motor (1) runs through protective cover (3) and the termination is provided with bite (2); bite (2) is arranged on the discharge opening front end; be provided with bearing block (12) in the rear end of main working cylinder (4); bolt is connected between bearing block (12) and the main working cylinder (4); the column sleeve piston is by piston (6); screw rod (7) and stroke nut (9) constitute; piston (6) is the boring shape; stroke nut (9) is fixedly mounted on the end of piston (6); one end of screw rod (7) screws in stroke nut (9) and is placed in the piston (6); the other end of screw rod (7) is installed in the bearing block (12) by bearing; the termination of the other end of screw rod (7) is provided with power transmission gear (11); power transmission gear (11) is meshing with each other with the driven wheel (10) that is arranged on second motor (8) axle; feed hopper (5) is fixedly installed on the top of main working cylinder (4) cylinder body, and feed hopper (5) is positioned at the front end of piston (6) stroke initial position.The length sum of the length of screw rod (7) and piston (6) is greater than the length of main working cylinder (4) inwall, and the length of piston (6) is greater than the distance of charging aperture (5) to main compression cylinder (4) leading section, and the length of piston (6) is not more than the distance of charging aperture (5) to main compression cylinder (4) rearward end.The external journey controller of second motor (8), first motor (1) is a variable-frequency motor, can reconcile rotating speed.
Owing to adopted above technical scheme; a kind of screw-rod-driven and piston-pressurized sludge pelletizer of the present utility model has adopted the mechanical drive mode of gear drive and screw rod pressurization; have simple in structure, the cost cost is low; the rate of working continuously height, squeezing action power are big, grain forming good stability, granulation intensity height, output advantages of higher, are applicable to that the granulation of various mud is handled.Thereby improved the equipment operating efficiency, it is with high costs to have solved mud granulation special equipment, and the difficult problem of operating efficiency has solved the problem that the characteristic because of mud is difficult for handling.Be convenient to transportation through the mud that granulation has been handled, and avoided the mud to drip spattering and mummification dust from flying and the secondary pollution that causes has also further improved the intensity of mud, thereby guaranteed the security of mud landfill by moulding.
Description of drawings:
Accompanying drawing is a kind of screw-rod-driven and piston-pressurized sludge pelletizer structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing screw-rod-driven and piston-pressurized sludge pelletizer of the present utility model is described in further detail:
A kind of screw-rod-driven and piston-pressurized sludge pelletizer is by motor; bite (2); protective cover (3); main working cylinder (4); the column sleeve piston; driven wheel (10); power transmission gear (11); bearing block (12); support (13) is formed; wherein; main working cylinder (4) is hollow cylindrical; be provided with equally distributed discharge opening at main working cylinder (a 4) front end ancient piece of jade, round, flat and with a hole in its centre; the lateral surface of main working cylinder (4) front port is provided with protective cover (3); the lower end of protective cover (3) is provided with discharging opening; on protective cover (3), be set with first motor (1); the axle of first motor (1) runs through protective cover (3) and the termination is provided with bite (2); bite (2) is arranged on the discharge opening front end; be provided with bearing block (12) in the rear end of main working cylinder (4); bolt is connected between bearing block (12) and the main working cylinder (4); the rigidity that bearing block (12) is used to proofread and correct screw rod prevents to cause power transmission to be obstructed because of bending appears in rotation.The column sleeve piston is by piston (6), screw rod (7) and stroke nut (9) constitute, piston (6) is the boring shape, stroke nut (9) is fixedly mounted on the end of piston (6), one end of screw rod (7) screws in stroke nut (9) and is placed in the piston (6), the other end of screw rod (7) is installed in the bearing block (12) by bearing, the termination of the other end of screw rod (7) is provided with power transmission gear (11), power transmission gear (11) is meshing with each other with the driven wheel (10) that is arranged on second motor (8) axle, feed hopper (5) is fixedly installed on the top of main working cylinder (4) cylinder body, and feed hopper (5) is positioned at the front end of piston (6) stroke initial position.The temporary transient storage of main working cylinder (4) provides import to charging aperture (5) for modified sewage sludge enters.The length sum of the length of screw rod (7) and piston (6) is greater than the length of main working cylinder (4) inwall, and the length of piston (6) is greater than the distance of charging aperture (5) to main compression cylinder (4) leading section, and the length of piston (6) is not more than the distance of charging aperture (5) to main working cylinder (4) rearward end.The external journey controller of second motor (8), first motor (1) is a variable-frequency motor, can reconcile rotating speed.The bottom of main working cylinder (4) is provided with support (13), and second motor (8) is fixedly mounted on the support (13).
Operation principle:
After the mud reserves in the main working cylinder (4) reach predetermined amount, journey controller control motor (8) work of just changing a job, driving driven wheel (10) rotates, driven wheel (10) arrives transmission of power on the power transmission gear (11), power transmission gear (11) rotates and drives screw rod (7) and rotates, and then promotes column sleeve piston advances forward extruding mud by the stroke nut (9) that is fixed on piston (6) end.Meanwhile, the mud that main charging aperture (5) enters is stopped up on the top of piston (6), and mud temporarily is stored in the charging aperture (5).Mud in the main working cylinder (4) is then strengthened under the extruding of piston (6) gradually, and the moulding by the discharge opening of main working cylinder (4) end setting under the extruding force effect.After mud was extruded moulding, bite (2) rotation of fixing on first motor (1) axle cut into particle with moulding bar shape mud.
The mud extrusion forming and finish stroke after, the counter-rotating work of controller control motor (8), driving driven wheel (10) rotates, driven wheel (10) arrives transmission of power on the power transmission gear (11), power transmission gear (11) counter-rotating also drives screw rod (7) counter-rotating, and then impel piston (6) to drawback movement by the internal thread of piston (6) end.Retreat to charging aperture (5) up to the termination of piston (6) and charging aperture (5) is opened, the mud that be stored in the charging aperture (5) this moment enters into main working cylinder (4), reaches the extrusion modling work of promptly carrying out next stroke after the predetermined amount.
Claims (3)
1. screw-rod-driven and piston-pressurized sludge pelletizer; it is characterized in that: sludge granulator is by motor; bite (2); protective cover (3); main working cylinder (4); the column sleeve piston; driven wheel (10); power transmission gear (11); bearing block (12); support (13) is formed; wherein; main working cylinder (4) is hollow cylindrical; be provided with equally distributed discharge opening at main working cylinder (a 4) front end ancient piece of jade, round, flat and with a hole in its centre; the lateral surface of main working cylinder (4) front port is provided with protective cover (3); the lower end of protective cover (3) is provided with discharging opening; on protective cover (3), be set with first motor (1); the axle of first motor (1) runs through protective cover (3) and the termination is provided with bite (2); bite (2) is arranged on the discharge opening front end; be provided with bearing block (12) in the rear end of main working cylinder (4); bolt is connected between bearing block (12) and the main working cylinder (4); the column sleeve piston is by piston (6); screw rod (7) and stroke nut (9) constitute; piston (6) is the boring shape; stroke nut (9) is fixedly mounted on the end of piston (6); one end of screw rod (7) screws in stroke nut (9) and is placed in the piston (6); the other end of screw rod (7) is installed in the bearing block (12) by bearing; the termination of the other end of screw rod (7) is provided with power transmission gear (11); power transmission gear (11) is meshing with each other with the driven wheel (10) that is arranged on second motor (8) axle; feed hopper (5) is fixedly installed on the top of main working cylinder (4) cylinder body, and feed hopper (5) is positioned at the front end of piston (6) stroke initial position.
2. a kind of according to claim 1 screw-rod-driven and piston-pressurized sludge pelletizer; it is characterized in that: the length sum of the length of screw rod (7) and piston (6) is greater than the length of main working cylinder (4); and the length of piston (6) is greater than the distance of charging aperture (5) to main compression cylinder (4) leading section, and the length of piston (6) is not more than the distance of charging aperture (5) to main compression cylinder (4) rearward end.
3. a kind of according to claim 1 screw-rod-driven and piston-pressurized sludge pelletizer is characterized in that: the external journey controller of second motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201786998U CN201644062U (en) | 2010-04-30 | 2010-04-30 | Screw driving piston pressurization sludge pelletizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201786998U CN201644062U (en) | 2010-04-30 | 2010-04-30 | Screw driving piston pressurization sludge pelletizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201644062U true CN201644062U (en) | 2010-11-24 |
Family
ID=43109258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201786998U Expired - Fee Related CN201644062U (en) | 2010-04-30 | 2010-04-30 | Screw driving piston pressurization sludge pelletizer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844054A (en) * | 2010-04-30 | 2010-09-29 | 武汉致衡环境安全工程技术有限公司 | Screw-rod-driven and piston-pressurized sludge pelletizer |
| CN104308955A (en) * | 2014-08-25 | 2015-01-28 | 沈阳航空航天大学 | Crawler-type forming device |
| CN104786543A (en) * | 2015-04-26 | 2015-07-22 | 江全标 | Cold extruding feed machine |
| CN108131296A (en) * | 2018-01-25 | 2018-06-08 | 辽宁工程技术大学 | A kind of coil formula centrifugal pump |
-
2010
- 2010-04-30 CN CN2010201786998U patent/CN201644062U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844054A (en) * | 2010-04-30 | 2010-09-29 | 武汉致衡环境安全工程技术有限公司 | Screw-rod-driven and piston-pressurized sludge pelletizer |
| CN101844054B (en) * | 2010-04-30 | 2013-01-23 | 武汉致衡环境安全工程技术有限公司 | Screw-rod-driven and piston-pressurized sludge pelletizer |
| CN104308955A (en) * | 2014-08-25 | 2015-01-28 | 沈阳航空航天大学 | Crawler-type forming device |
| CN104786543A (en) * | 2015-04-26 | 2015-07-22 | 江全标 | Cold extruding feed machine |
| CN104786543B (en) * | 2015-04-26 | 2017-05-03 | 江全标 | Cold extruding feed machine |
| CN108131296A (en) * | 2018-01-25 | 2018-06-08 | 辽宁工程技术大学 | A kind of coil formula centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110430 |