CN105668772A - Lifting device of aerating system - Google Patents
Lifting device of aerating system Download PDFInfo
- Publication number
- CN105668772A CN105668772A CN201610221393.8A CN201610221393A CN105668772A CN 105668772 A CN105668772 A CN 105668772A CN 201610221393 A CN201610221393 A CN 201610221393A CN 105668772 A CN105668772 A CN 105668772A
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- CN
- China
- Prior art keywords
- aerating system
- motor
- lifting device
- stay cord
- pulley
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides a lifting device of an aerating system and belongs to the technical field of environmental protection equipment.The lifting device solves the problem that an existing membrane type aerating pipe integral lifting dynamic aerating device influences the sewage treatment effect.The lifting device of the aerating system comprises a frame body vertically arranged in an aeration tank.The frame body is provided with a connecting part which can slide in the vertical direction and is used for being connected with the aerating system.The frame body is further provided with a motor.The motor is connected with the connecting part through a first pull rope.The lifting device further comprises a pulley fixedly arranged in the aeration tank.A second pull rope is wound around the pulley.One end of the second pull rope is connected with the connecting part, and a connecting point is located between the pulley and the motor.The other end of the second pull rope is wound around an output shaft of the motor.The winding direction of the first pull rope on the output shaft of the motor is opposite to that of the second pull rope on the output shaft of the motor.The lifting device of the aerating system has the advantage of being capable of improving the sewage treatment effect.
Description
Technical field
The invention belongs to technical field of environment protection equipment, relate to a kind of aerating system, the particularly lifting device of a kind of aerating system.
Background technology
Aerating system is the key equipment in sewage disposal biochemical treatment process, and the quality of aeration directly affects the effect of sewage disposal. Existing aerating system is divided into tubular type aeration tubular type and plate-type aerator formula.
Wherein, tubular type aeration tubular type aerating system is made up of air inlet pipe, the framework being square and the many aeration tubes being located in framework. Wherein, framework is joined end to end by four connecting tubes and forms, the two ends of aeration tube respectively with two positions just to two connecting tubes be connected; Framework and aeration tube are arranged in Aeration tank, and air inlet pipe is vertically arranged in Aeration tank, and air inlet pipe connects with wherein connecting tube. Plate-type aerator formula aerating system is made up of air inlet pipe, two connecting tubes be arrangeding in parallel and the multiple aeration assemblies being located between two connecting tubes, and each aeration assembly connects with connecting tube each through pipeline. Each aeration assembly all includes multiple aerator, and adjacent two aerators pass through pipeline connection. Air inlet pipe connects with wherein connecting tube.
In sewage disposal process, if aerating system breaks down (such as aerator (pipe) is damaged or blocks), cause that oxygen transmission efficiency reduces, affect wastewater treatment efficiency, be now necessary for it is overhauled. In existing sewage treatment facility, aerating system is normally located at bottom Aeration tank, when maintenance, it is necessary to take out whole for aerating system from Aeration tank, or is bled off by sewage in pond and empty, and in this course, just needs the participation of lifting device.
Disclosed in existing lifting device such as Chinese patent storehouse, a kind of film-type aeration tube entirety promotes dynamic aerating apparatus [application number: CN201310542672.0, publication No.: CN103570125A], by vertical guide column, transverse center bale handle, longitudinal bale handle, film-type aeration tube hanger, Aeration tank, column connects support, pulley guiding mechanism, windlass type automatic lifting boom hoisting, stable hook, chain hook forms, vertical guide column connects support vertical by column and is arranged on the inwall in the middle of Aeration tank, the Aeration tank edge being positioned at vertical guide column upper end is provided with windlass type automatic lifting boom hoisting, windlass type automatic lifting boom hoisting is provided with pulley guiding mechanism by the two ends of steel wire rope with transverse center bale handle and is connected, pulley assembly on pulley guiding mechanism and vertical guide uprights vertical are slidably connected, the centre of transverse center bale handle is connected with in the middle of longitudinal bale handle by two suspension members, film-type aeration tube hanger is fixed on the two ends of longitudinal bale handle, film-type aeration tube is evenly provided on film-type aeration tube hanger, the two ends of film-type aeration tube hanger are additionally provided with shackle by together with chain hook is hooked on the hook being arranged on Aeration tank inwall.
Above-mentioned lifting device drives steel wire rope to be pulled out by whole aerating system by motor, has advantage easy to use. But this lifting device there is a problem in that aerating system is dependent on what self gravitation resetted, owing to Aeration tank can pile up mud when life-time service inside it, aerating system can be moved down and cause stop by these mud, makes aerating system cannot be displaced downwardly to bottom Aeration tank, affects the effect of sewage disposal.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the lifting device of a kind of aerating system, solve the technical problem that it is how to improve wastewater treatment efficiency.
The purpose of the present invention can be realized by following technical proposal: the lifting device of a kind of aerating system, including the support body being vertically located in Aeration tank, support body is provided with and can vertically slide and for connecting the connector of aerating system, support body is additionally provided with motor, and motor is connected with connector by stay cord one, it is characterized in that, this lifting device also includes the pulley being installed in Aeration tank, pulley is arranged with stay cord two, one end of stay cord two is connected with connector and junction point is between pulley and motor, the other end of stay cord two is on the output shaft being located at motor, and the winding on motor output shaft is in opposite direction both stay cord one and stay cord two.
In actual product, support body top is located at by motor, and stay cord one is along clockwise direction on the output shaft being located at motor, and stay cord two is in the counterclockwise direction on the output shaft being located at motor.
Aerating system needs maintenance: motor output shaft rotates around smooth and easy pin, furls stay cord one (now stay cord two is in relieving state), thus band follower link slip up is to keep in repair whole aerating system from taking out in Aeration tank; Reinstall aerating system: motor output shaft is around rotating counterclockwise, furl stay cord two (now stay cord slowly declines for a moment) with the gravity of aerating system, under the combined effect of the downward active force that connector applies at aerating system gravity and stay cord two, aerating system is made steadily to drop on the origin-location bottom Aeration tank, so that sewage to be processed.
By arranging contrary with stay cord one around set direction on motor output shaft of stay cord two and stay cord two, under not affecting the premise that aerating system moves integrally, again moving down of aerating system is applied an active force extra and downwardly, aerating system is enable to overcome the resistance of mud well and to be smoothly displaced downwardly to the bottom of Aeration tank, the path that bubble (being produced by aerating system) flows is extended, thus being effectively improved the treatment effect of sewage with the operation of stable aerated system.
Stay cord one and stay cord two retracting is driven respectively, it is possible to shortening the distance between two stay cords, reduce the distance between connector and pulley, thus improving the compact type of this lifting device, then reducing the floor space of lifting device by a motor; Meanwhile, relative to this technical scheme that stay cord one is connected with two motors respectively with stay cord two, both can reduce installation difficulty, cost can be reduced again.
In the lifting device of above-mentioned aerating system, described stay cord one includes a connection one and two connection rope two arranged obliquely of rope vertically arranged, two connect rope two is symmetrical arranged along connecting rope one, and the two ends connecting rope two are connected with the lower end being connected rope one and connector respectively, the described upper end connecting rope one is connected with motor.
Two connect rope two one triangular structure of formation, the support strength of two connection ropes two can be effectively improved, improve the stability of location aerating system, aerating system so can not only be made to overcome mud resistance steadily to move down, to avoid the damage aerating system that collides, and aerating system can be prevented effectively from and shake in the course of the work, to improve the job stability of aerating system, so that the purpose improving wastewater treatment efficiency stably realizes.
In the lifting device of above-mentioned aerating system, described stay cord two is between motor and pulley and the two part that is between connector and pulley is all vertically arranged.
Adopt above-mentioned structure, make the active force that stay cord two is applied on aerating system straight down, effectively to reduce the loss that this active force is delivered in aerating system process, so that aerating system can move down more smoothly, improve the effect of sewage disposal.
In the lifting device of above-mentioned aerating system, described support body is located at aerating system side, described connector includes connection strap and the platform being slidably connected with support body, described platform is connected with the wherein side of aerating system, connection strap has some, and the two ends of connection strap are connected with the opposite side of platform and aerating system respectively.
Namely each parts (except connection strap) being used for enhanced feature are distributed in aerating system side, have both facilitated the assembling of lifting device, have facilitated again the maintenance of aerating system. Connector is divided into the platform and connection strap that are connected respectively with aerating system both sides, has both had advantage easy to connect, also ensures that aerating system is stably supported by connector, to improve the job stability of aerating system, thus improving the effect of sewage disposal.
In the lifting device of above-mentioned aerating system, aerating system includes the air inlet pipe vertically arranged, and air inlet pipe is connected with support body by a fixture.
Adopting above-mentioned structure, make support body simultaneously work as the effect positioning the air inlet pipe for each parts and aerating system realizing lifting device, namely support body has the advantage of dual-use material, such that it is able to reduce the cost producing whole aerator.
Compared with prior art, the lifting device of this aerating system has the advantage that
1, by arranging contrary with stay cord one around set direction on motor output shaft of stay cord two and stay cord two, under not affecting the premise that aerating system moves integrally, again moving down of aerating system is applied an active force extra and downwardly, aerating system is enable to overcome the resistance of mud well and to be smoothly displaced downwardly on position original bottom Aeration tank, the path that bubble (being produced by aerating system) flows is extended, thus being effectively improved the treatment effect of sewage with the operation of stable aerated system.
2, stay cord one and stay cord two retracting are driven respectively by a motor, it is possible to shortening the distance between two stay cords, reduce the distance between connector and pulley, thus improving the compact type of this lifting device, then reducing the floor space of lifting device; Meanwhile, relative to this technical scheme that stay cord one is connected with two motors respectively with stay cord two, both can reduce installation difficulty, cost can be reduced again.
Accompanying drawing explanation
Fig. 1 is the perspective view of the lifting device of this aerating system.
Fig. 2 is the sectional structure schematic diagram of the lifting device of this aerating system.
Fig. 3 is the positional structure schematic diagram of the lifting device of this aerating system.
In figure, 1, air inlet pipe; 2, framework; 2a, connecting tube; 3, aeration tube; 4, Aeration tank; 5, support body; 6, motor; 7, connector; 7a, platform; 7b, connection strap; 7c, connecting portion; 8, stay cord one; 8a, connection rope one; 8b, connection rope two; 9, stay cord two; 10, pulley; 11, roller; 12, fixture.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
In the lifting device of aerating system, aerating system is divided into tubular type aeration tubular type and plate-type aerator formula, below adopts tubular type aeration tubular type to illustrate. As it is shown in figure 1, tubular type aeration tubular type aerating system is made up of air inlet pipe 1, the framework 2 being square and the many aeration tubes 3 being located in framework 2. Wherein, framework 2 is joined end to end by four connecting tube 2a and forms, the two ends of aeration tube 3 respectively with two positions just to two connecting tube 2a be connected; Framework 2 and aeration tube 3 are arranged in Aeration tank 4, and air inlet pipe 1 is vertically arranged in Aeration tank 4, and air inlet pipe 1 connects with wherein connecting tube 2a.
As depicted in figs. 1 and 2, this lifting device is made up of support body 5, motor 6, connector 7, stay cord 1, stay cord 29, pulley 10 etc.
Wherein, as it is shown on figure 3, support body 5 is vertically arranged in Aeration tank 4, and it is positioned at above-mentioned framework 2 side. Connector 7 and support body 5 are slidably connected, so that this connector 7 can vertically slide. Specifically, as in figure 2 it is shown, fixed idler whell 11 on connector 7, support body 5 is correspondingly provided with chute, and roller 11 is placed in chute, with the purpose stably realizing connector 7 and support body 5 is slidably connected. Natural, adopt " support body 5 is provided with guide rail, and connector 7 is correspondingly provided with guide groove, and guide rail is inserted in guide groove, and guide groove is all stretched out at guide rail two ends " this technical scheme, be capable of connector 7 equally and support body 5 is slidably connected.
As depicted in figs. 1 and 2, in the present embodiment, connector 7 includes some connection strap 7b and the platform 7a being slidably connected with support body 5. Wherein, platform 7a is strip and its two ends are equipped with above-mentioned roller 11, and namely above-mentioned chute also has two and position and roller 11 one_to_one corresponding. Position just to two connecting tube 2a fix with one end of platform 7a and connection strap 7b respectively, and the other end of connection strap 7b and platform 7a fix. In the present embodiment, it is preferable that connection strap 7b has 2. Natural, connector 7 adopt integral support frame it is also possible that.
As depicted in figs. 1 and 2, support body 5 top is located at by motor 6, and motor 6 is connected with connector 7 by stay cord 1. Pulley 10 is fixed in Aeration tank 4, and pulley 10 is arranged with stay cord 29, and one end of stay cord 29 is connected with platform 7a and the junction point of stay cord 29 and platform 7a is between pulley 10 and motor 6. The other end of stay cord 29 is on the output shaft being located at motor 6, and both stay cord 1 and stay cord 29, the winding on motor 6 output shaft is in opposite direction. Specifically, as in figure 2 it is shown, have connecting portion 7c on platform 7a, and stay cord 1 is connected with connecting portion 7c; The sidewall of connecting portion 7c has the fixed part of protrusion, and the junction point of stay cord 29 and connector 7 is positioned on fixed part. Wherein, it is possible for hook or connection ring at actual man-hour, connecting portion 7c and the fixed part of adding more.
Further illustrate, as shown in Figure 1, stay cord 1 include one vertically arrange connect rope one 8a and two connections arranged obliquely are restricted two 8b, two connect rope two 8b is symmetrical arranged along connecting rope one 8a, and the two ends connecting rope two 8b are connected with the lower end being connected rope one 8a and platform 7a respectively, the upper end connecting rope one 8a is connected with motor 6.Adopt above-mentioned structure, it is possible to be effectively improved two connections and restrict the support strength of two 8b, improve the stability of location aerating system. As in figure 2 it is shown, the two part that stay cord 29 is between motor 6 and pulley 10 and is between connector 7 and pulley 10 is all vertically arranged, so that whole aerating system can steadily move down.
As depicted in figs. 1 and 2, air inlet pipe 1 is connected with support body 5 by a fixture 12, with by air inlet pipe 1 stable position. Adopting above-mentioned structure, make support body 5 simultaneously work as the effect positioning the air inlet pipe 1 for each parts and aerating system realizing enhanced feature, namely support body 5 has the advantage of dual-use material, such that it is able to reduce the cost producing whole aerator. In the present embodiment, the banking stop that fixture 12 can be flange or two ends are connected with support body 5 respectively.
In actual product, connecting rope one 8a along clockwise direction on the output shaft being located at motor 6, stay cord 29 is in the counterclockwise direction on the output shaft being located at motor 6. Aerating system needs maintenance: motor 6 output shaft rotates around smooth and easy pin, furls stay cord 1 (now stay cord 29 is in relieving state), thus band follower link 7 slip up is to keep in repair whole aerating system from taking-up in Aeration tank 4; Reinstall aerating system: motor 6 output shaft is around rotating counterclockwise, furl stay cord 29 (now stay cord 1 is in relieving state), under the combined effect of the downward active force that connector 7 applies at aerating system gravity and stay cord 29, aerating system is made steadily to drop to bottom Aeration tank 4, so that sewage to be processed.
Specific embodiment described herein is only to present invention spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Claims (5)
1. the lifting device of an aerating system, including the support body (5) being vertically located in Aeration tank (4), support body (5) is provided with the connector (7) that can vertically slide and for connecting aerating system, support body (5) is additionally provided with motor (6), and motor (6) is connected with connector (7) by stay cord one (8), it is characterized in that, this lifting device also includes the pulley (10) being installed in Aeration tank (4), pulley (10) is arranged with stay cord two (9), one end of stay cord two (9) is connected with connector (7) and junction point is positioned between pulley (10) and motor (6), the other end of stay cord two (9) is on the output shaft being located at motor (6), and stay cord one (8) and both windings on motor (6) output shaft of stay cord two (9) in opposite direction.
2. the lifting device of aerating system according to claim 1, it is characterized in that, described stay cord one (8) includes a connection rope vertically arranged (8a) and two connection ropes arranged obliquely two (8b), two connect rope two (8b) is symmetrical arranged along connecting rope one (8a), and the two ends connecting rope two (8b) are connected with the lower end being connected rope one (8a) and connector (7) respectively, the upper end of described connection rope one (8a) is connected with motor (6).
3. the lifting device of aerating system according to claim 1 and 2, it is characterized in that, described stay cord two (9) is between motor (6) and pulley (10) and the two part that is between connector (7) and pulley (10) is all vertically arranged.
4. the lifting device of aerating system according to claim 1 and 2, it is characterized in that, described support body (5) is located at aerating system side, described connector (7) includes connection strap (7b) and the platform (7a) being slidably connected with support body (5), described platform (7a) is connected with the wherein side of aerating system, connection strap (7b) has some, and the two ends of connection strap (7b) are connected with the opposite side of platform (7a) and aerating system respectively.
5. the lifting device of aerating system according to claim 4, it is characterized in that, aerating system includes the air inlet pipe (1) vertically arranged, and air inlet pipe (1) is connected with support body (5) by a fixture (12).
Priority Applications (1)
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CN201610221393.8A CN105668772B (en) | 2016-04-08 | 2016-04-08 | A kind of lifting device of aerating system |
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CN201610221393.8A CN105668772B (en) | 2016-04-08 | 2016-04-08 | A kind of lifting device of aerating system |
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CN105668772A true CN105668772A (en) | 2016-06-15 |
CN105668772B CN105668772B (en) | 2018-06-22 |
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CN201610221393.8A Active CN105668772B (en) | 2016-04-08 | 2016-04-08 | A kind of lifting device of aerating system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106334353A (en) * | 2016-11-19 | 2017-01-18 | 无锡博进精密机械制造有限公司 | Water treatment device |
CN108147526A (en) * | 2018-02-08 | 2018-06-12 | 遵义市汇川区吉美电镀有限责任公司 | A kind of aerator for electroplating sewerage processing |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004004084U1 (en) * | 2004-03-16 | 2004-08-19 | Engfer, Ulf | Small-scale waste water aeration assembly has vertical sidewall with stainless steel pipe and vertical rail guide for variable-depth pump |
JP2004249160A (en) * | 2003-02-18 | 2004-09-09 | Kurimoto Ltd | Lift device for air diffuser in aeration tank |
CN2797357Y (en) * | 2005-04-08 | 2006-07-19 | 隋军 | Lifting type aerator |
CN201367369Y (en) * | 2009-03-19 | 2009-12-23 | 杭州天宇环保工程实业有限公司 | Submerged-floating type hoisting aeration apparatus |
CN201458844U (en) * | 2009-07-02 | 2010-05-12 | 浙江宏澄环境工程有限公司 | Drag displacement type aerating device |
CN202022796U (en) * | 2011-04-28 | 2011-11-02 | 四川四通欧美环境工程有限公司 | Lift type aerating apparatus |
CN103570125A (en) * | 2013-11-06 | 2014-02-12 | 曹莹莹 | Dynamic aerating device for integrally lifting membrane-type aerator pipes |
CN205590401U (en) * | 2016-04-08 | 2016-09-21 | 周轩锋 | Aeration systems's hoisting device |
-
2016
- 2016-04-08 CN CN201610221393.8A patent/CN105668772B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004249160A (en) * | 2003-02-18 | 2004-09-09 | Kurimoto Ltd | Lift device for air diffuser in aeration tank |
DE202004004084U1 (en) * | 2004-03-16 | 2004-08-19 | Engfer, Ulf | Small-scale waste water aeration assembly has vertical sidewall with stainless steel pipe and vertical rail guide for variable-depth pump |
CN2797357Y (en) * | 2005-04-08 | 2006-07-19 | 隋军 | Lifting type aerator |
CN201367369Y (en) * | 2009-03-19 | 2009-12-23 | 杭州天宇环保工程实业有限公司 | Submerged-floating type hoisting aeration apparatus |
CN201458844U (en) * | 2009-07-02 | 2010-05-12 | 浙江宏澄环境工程有限公司 | Drag displacement type aerating device |
CN202022796U (en) * | 2011-04-28 | 2011-11-02 | 四川四通欧美环境工程有限公司 | Lift type aerating apparatus |
CN103570125A (en) * | 2013-11-06 | 2014-02-12 | 曹莹莹 | Dynamic aerating device for integrally lifting membrane-type aerator pipes |
CN205590401U (en) * | 2016-04-08 | 2016-09-21 | 周轩锋 | Aeration systems's hoisting device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106334353A (en) * | 2016-11-19 | 2017-01-18 | 无锡博进精密机械制造有限公司 | Water treatment device |
CN108147526A (en) * | 2018-02-08 | 2018-06-12 | 遵义市汇川区吉美电镀有限责任公司 | A kind of aerator for electroplating sewerage processing |
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