CN109158387B - Dredging device and dredging control system - Google Patents
Dredging device and dredging control system Download PDFInfo
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- CN109158387B CN109158387B CN201811137592.6A CN201811137592A CN109158387B CN 109158387 B CN109158387 B CN 109158387B CN 201811137592 A CN201811137592 A CN 201811137592A CN 109158387 B CN109158387 B CN 109158387B
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- dredging
- cement
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- way pipe
- discharge
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- 239000004568 cement Substances 0.000 claims abstract description 128
- 238000007790 scraping Methods 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 2
- 230000000241 respiratory effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 14
- 239000002901 radioactive waste Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/047—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a dredging device and a dredging control system, wherein the dredging shaft comprises: a first dredging shaft and n dredging units; the first dredging shaft is connected with the first dredging units, the n dredging units are staggered from each other and are connected with each other by a first set angle, and the dredging units comprise: dredging sections and m cleaning devices; the m cleaning devices are staggered from each other by a second setting angle and are arranged on the dredging joint, in the rotating process, the first rotating motor drives the discharge dredging shaft to do rotary motion, and the m cleaning devices are made to do swing motion according to the staggered second setting angle to generate centrifugal force, so that cement ash generated by the inner wall of the inclined discharge three-way pipe and cement ash raised when the stirring tank discharges ash are cleaned by the scraping blade, the cement ash is not easy to adhere to a plurality of dredging units and the scraping blade, the cleanliness is improved, and the problems of abnormal sound generation and motor load increase due to uneven stress are avoided.
Description
Technical Field
The invention relates to the technical field of radioactive waste treatment and dredging, in particular to a dredging device and a dredging control system for a cement solidification mixing stirrer for stirring radioactive waste liquid outside a barrel.
Background
FIG. 1 is a block diagram of a conventional pull through. And (3) uniformly mixing and stirring the waste liquid and cement in a mixing stirrer, discharging the mixture into a packaging container, and hardening the cement to form a cement solidified body. Be provided with cement unloading pipe, agitator call-in pipe, feed liquid unloading pipe, belt cleaning device etc. on the agitator top cap, call-in dredging and cement mediation all include a hoisting motor and a rotating electrical machines for it provides power, hoisting motor drives the rotating electrical machines and realizes doing vertical motion on four guiding axles, make the rotating electrical machines drive the mediation axle through the buckle and do the up-and-down motion when doing rotary motion, thereby make the mediation head scrape the cement of adhesion on call-in pipe and the cement unloading pipe wall, through using this equipment process visible, this equipment has following several defects:
1. the required verticality can not be achieved when the breathing dredge is installed, and only a locating device is arranged at the rotating motor end. The dredging shaft is slender, five groups of cutter heads are arranged at intervals of 450mm from the lower part, the gap between the diameter of each cutter head and the diameter of the pipe wall is only 2mm, the problem of uncleanness exists, and under the conditions that perpendicularity is not reached, shaking is generated due to movement and the unevenness of the inner wall of the pipe, larger friction force is generated between each group of cutter heads and the position of the pipe wall, so that the stress of the dredging shaft is uneven, and the elevator motor drives the rotating motor to clamp the rotating motor base and the light bars in the up-and-down moving process of the four light bars, abnormal sound is generated, and the load of the elevator motor is increased.
2. The cement dredging device is provided with an upper centering device and a lower centering device, the cutter head is in a solid cylinder shape, and the diameter of the cutter head is far greater than the central aperture of the centering device; when overhauling, the device enters a stirring barrel equipment room, a connecting flange of the centering device and the cement blanking inclined pipe is firstly disassembled, a cutter head is lifted to a high position, and the whole dredging sleeve is lifted, so that the cutter head is separated from the blanking inclined pipe; and then the cutter head is detached, and the two motor dredging shafts can be pulled out from the roof of the equipment room after the centering device is detached. The process has the advantages of large manpower time consumption, large operation difficulty and difficult control of personnel under irradiation when the radiation level is high.
3. The cement dredging head is a solid cylinder, and the gap between the cement dredging head and the cement discharging pipe is only 2mm. When cement passes through the blanking inclined tube each time, a little cement remains in the blanking inclined tube, and in the dredging process, the cement in the blanking inclined tube can shake off to the back of the cutter head and cannot fall into the stirring barrel, and the cement can be blocked between the back of the cutter head and the lower centering device along with the time extension, so that the dredging head cannot be lifted in place.
Disclosure of Invention
The invention aims to provide a dredging device and a dredging control system, which are used for improving the cleanliness and avoiding the problems of abnormal sound and increased load of a lifting motor caused by uneven stress.
In order to achieve the above object, the present invention provides a dredging device for dredging a cement solidification mixing stirrer for stirring radioactive waste liquid outside a barrel, comprising: a discharge dredging system and a cement discharging dredging system; the calling dredging system and the cement discharging dredging system are respectively connected with the top cover of the stirrer;
the call discharge dredging system comprises: a discharge dredging shaft, a discharge inclined three-way pipe, a first rotary motor and a first positioning device; the first locating device is arranged at one end of the discharge inclined three-way pipe; the discharge dredging shaft is arranged in the discharge inclined three-way pipe, penetrates through the first locating device and is connected with the first rotating motor;
the respiratory dredging shaft comprises: a first dredging shaft and n dredging units; the first dredging shaft is connected with a first dredging unit, and n dredging units are mutually staggered and connected at a first set angle, wherein n is an integer greater than or equal to 2;
the dredging unit includes: dredging sections and m cleaning devices; the m cleaning devices are staggered from each other by a second set angle and are arranged on the dredging joint, wherein m is an integer greater than or equal to 2.
Optionally, the call dredging system further comprises: the device comprises a first buckle and a first flange, wherein the call-discharge dredging shaft penetrates through the first locating device and is connected with the first rotary motor through the first buckle, the first flange is arranged at one end of the call-discharge inclined three-way pipe, and the first locating device is connected with the call-discharge inclined three-way pipe through the first flange.
Optionally, the call dredging shaft further includes: a plurality of cotter pin assemblies; the first dredging shaft is connected with the first dredging unit through the cotter pin assembly, and adjacent dredging units are connected through the cotter pin assembly.
Optionally, the cleaning device includes: the scraping blade comprises a scraping blade clamp, a scraping blade seat and a scraping blade; the scraping blade seat is arranged on the dredging joint, the scraping blade clamp is arranged on the scraping blade seat, the scraping blade is arranged on the scraping blade clamp, and the cutter point of the scraping blade is set to be longer than the outer wall of the inclined three-way pipe.
Optionally, the cement unloading mediation system includes: the cement dredging device comprises a cement dredging shaft, a cement discharging inclined three-way pipe, a first sealing sleeve, a movable centering sleeve, a second centering device, a second rotating motor, a lifting screw rod and a plurality of guide rods; the cement dredging shaft is arranged in the cement blanking inclined three-way pipe, the second centering device is connected with one end of the cement blanking inclined three-way pipe, the cement dredging shaft sequentially penetrates through the first sealing sleeve, the movable centering sleeve, the second centering device is connected with the second rotating motor, the lifting motor is connected with the outer cover of the second rotating motor through the lifting screw rod, and the guide rods respectively penetrate through the bottom plate holes of the lifting motor, the top plate holes of the second rotating motor and the two ends of the nuts for the holes of the second centering device.
Optionally, the cement discharging dredging system further comprises a second buckle and a second flange, and the cement dredging shaft penetrates through the second centering device and is connected with the second rotating motor through the second buckle; the second flange is arranged at one end of the cement blanking inclined three-way pipe, and the cement blanking inclined three-way pipe is connected with the centering device through the second flange.
Optionally, the cement dredging shaft comprises: the cement dredging device comprises a cement dredging head, a second dredging shaft, a protective sleeve, a semi-ring sleeve, a jackscrew and a first flat key; the cement dredging head is sequentially installed on the second dredging shaft through the first flat key, the semi-ring sleeve, the protective sleeve and the jackscrew.
Optionally, the cement dredging shaft further comprises: a second gland; the second sealing sleeve is connected with the cement dredging head.
Optionally, the cement dredging head is a spiral four-blade type cement dredging head.
The invention also provides a dredging control system, which comprises k dredging devices, wherein k is an integer greater than or equal to 1, and a controller; the controller is connected with the k first rotating motors, the k second rotating motors and the k lifting motors in the dredging device and used for controlling the first rotating motors, the second rotating motors and the lifting motors to rotate.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a call-through shaft, comprising: a first dredging shaft and n dredging units; the first dredging shaft is connected with a first dredging unit, and n dredging units are mutually staggered and connected at a first set angle, wherein n is an integer greater than or equal to 2; the dredging unit includes: dredging sections and m cleaning devices; the second setting angle that m cleaning device staggers each other sets up on the mediation section, wherein m is the integer more than or equal to 2, in rotatory in-process, first rotating electrical machines drive breathe the row mediation axle and do rotary motion, make m cleaning device do the whipping motion and produce centrifugal force according to the second setting angle that staggers, cement ash that makes the doctor-bar clearance breathe the inclined three-way pipe inner wall produce and the cement ash that rises when the agitator tank goes down ash are difficult to adhere to on a plurality of mediation units and doctor-bar, have improved the cleanliness and avoided producing abnormal sound and increase the problem that promotes motor load because of the atress is uneven.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of an existing pull through of an embodiment of the present invention;
FIG. 2 is a block diagram of an improved pull through of an embodiment of the present invention;
FIG. 3 is a block diagram of a call-through shaft according to an embodiment of the present invention;
FIG. 4 is a diagram of a blanking dredging shaft according to an embodiment of the present invention;
FIG. 5 is a block diagram of a cement dredger head according to an embodiment of the present invention;
FIG. 6 is a block diagram of a pull through control system according to an embodiment of the present invention.
Wherein, 1, breathe and arrange the mediation axle, 1-1, first mediation axle, 1-2, dredge the festival, 1-3, cotter pin subassembly, 1-4, the doctor blade clamp, 1-5, the doctor blade seat, 1-6, the doctor blade, 2, breathe and arrange oblique three-way pipe, 3, first rotating electrical machines, 4, first positioner, 5, first buckle, 6, third flange, 7, cement mediation axle, 7-1, second mediation axle, 7-2, protective sheath, 7-3, semi-ring cover, 7-4, jackscrew, 7-5, first flat key, 7-6, cement mediation head, 7-7, second seal cover, 8, cement unloading oblique three-way pipe, 9, first seal cover, 10, removal centering sleeve, 11, second centering device, 12, second rotating electrical machines, 13, lifting electrical machines, 14, lifting screw, 15, guide bar, 16, second buckle, 16-1, inner hexagon bolt, 16-2, second flat key, 16-3, third key, 16-4, 16-6, second buckle, 16-17, fourth buckle, flange, top cover, 100, top cover, coupler, top cover, control device, top cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a dredging device and a dredging control system, so as to avoid the problems of abnormal sound and increased load of a lifting motor caused by uneven stress.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 2 is a structural diagram of an improved dredging apparatus according to an embodiment of the present invention, and as shown in fig. 2, the present invention provides a dredging apparatus for dredging a cement curing mixer for mixing radioactive waste liquid outside a barrel, the dredging apparatus 100 comprising: a discharge dredging system and a cement discharging dredging system; a discharge dredging system and a cement discharge dredging system are connected to the agitator cap 18, respectively.
The call discharge dredging system comprises: a discharge dredging shaft 1, a discharge inclined three-way pipe 2, a first rotary motor 3 and a first positioning device 4; the first positioning device 4 is arranged at one end of the discharge inclined tee pipe 2; the discharge dredging shaft 1 is arranged in the discharge inclined tee pipe 2, penetrates through the first positioning device 4 and is connected with the first rotating motor 3;
as one embodiment, the call dredging system of the present invention further includes: first buckle 5 and first flange, breathe the discharge dredging shaft 1 pass first positioner 4 pass through first buckle 5 with first rotating electrical machines 3 links to each other, first flange sets up breathe the one end of inclined three-way pipe 2, first positioner 4 pass through first flange with breathe the inclined three-way pipe 2 links to each other. Specifically, the first flange is welded at one end of the calling inclined tee pipe 2, and the first positioning device 4 is connected with the first flange through bolts.
Fig. 3 is a block diagram of a call-through shaft according to an embodiment of the present invention, and as shown in fig. 3, the call-through shaft 1 includes: a first dredging shaft 1-1 and n dredging units; the first dredging shaft 1-1 is connected with a first dredging unit, and n dredging units are mutually staggered and connected at a first set angle, wherein n is an integer greater than or equal to 2; the first setting angle is set according to actual requirements.
The dredging unit includes: 1-2 dredging sections and m cleaning devices; the m cleaning devices are staggered from each other by a second set angle and are arranged on the dredging joint 1-2, wherein m is an integer greater than or equal to 2. The second set angle is 360/m.
As an embodiment, the call-through shaft 1 of the present invention further includes: a plurality of cotter pin assemblies 1-3; the first dredging shaft 1-1 is connected with a first dredging unit through the cotter pin assembly 1-3, and adjacent dredging units are connected through the cotter pin assembly 1-3.
As one embodiment, the cleaning device of the present invention includes: a wiper blade clamp 1-4, a wiper blade seat 1-5 and a wiper blade 1-6; the scraping blade seat 1-5 is arranged on the dredging section 1-2, the scraping blade clamp 1-4 is arranged on the scraping blade seat 1-5, the scraping blade 1-6 is arranged on the scraping blade clamp 1-4, the knife tip of the scraping blade 1-6 is away from the outer wall of the inclined calling three-way pipe 2 by a set length, and the set length is set according to actual requirements, but is most preferably set to be 5mm.
As one embodiment, the cement blanking dredging system of the present invention includes: the cement dredging device comprises a cement dredging shaft 7, a cement discharging inclined three-way pipe 8, a first sealing sleeve 9, a movable centering sleeve 10, a second centering device 11, a second rotating motor 12, a lifting motor 13, a lifting screw rod 14 and a plurality of guide rods 15; the cement dredging shaft 7 is arranged in the cement blanking inclined three-way pipe 8, the second centering device 11 is connected with one end of the cement blanking inclined three-way pipe 8, the cement dredging shaft 7 sequentially penetrates through the first sealing sleeve 9, the movable centering sleeve 10, the second centering device 11 is connected with the second rotating motor 12, the lifting motor 13 is connected with the outer cover of the second rotating motor 12 through the lifting screw rod 14, and a plurality of guide rods 15 respectively penetrate through bottom plate holes of the lifting motor 13, top plate holes of the second rotating motor 12 and two ends of nuts for holes of the second centering device 11.
As an embodiment, the cement discharging dredging system of the present invention further comprises a second buckle 16 and a second flange, wherein the cement dredging shaft 7 passes through the second centering device 11 and is connected with the second rotating motor 12 through the second buckle 16; the second flange is arranged at one end of the cement blanking inclined three-way pipe 8, and the cement blanking inclined three-way pipe 8 is connected with the centering device through the second flange. As shown in a partial enlarged view ii in fig. 2, the first sealing sleeve 9 and the movable centering sleeve 10 are slidably arranged between the cement dredging shaft 7 and the inner wall of the cement blanking inclined tee 8. The second flange is welded at one end of the cement blanking inclined three-way pipe 8, and the second centering device 11 is connected with the second flange through bolts.
Fig. 4 is a diagram of a blanking-dredging shaft according to an embodiment of the present invention, and as shown in fig. 4, the cement-dredging shaft 7 includes: the cement dredging device comprises a cement dredging head 7-6, a second dredging shaft 7-1, a protective sleeve 7-2, a semi-ring sleeve 7-3, a jackscrew 7-4 and a first flat key 7-5;
the cement dredging head 7-6 is installed on the second dredging shaft 7-1 through the first flat key 7-5, the semi-ring sleeve 7-3, the protective sleeve 7-2 and the jackscrew 7-4 in sequence.
As an embodiment, the cement-dredging shaft 7 of the present invention further includes: a second sealing sleeve 7-7; the second sealing sleeve 7-7 is connected with the cement dredging head 7-6. Specifically, the second sealing sleeve 7-7 is connected to the bottom of the cement dredging head 7-6 through bolts.
As an implementation mode, the first sealing sleeve 9 is specifically arranged on the second dredging shaft 7-1, so that the phenomenon that moist air enters the blanking pipe through the dredging head to enable residual cement of the blanking pipe to be damped and hardened when the second sealing sleeve 7-7 descends into the stirrer can be avoided.
As one implementation mode, the cement dredging head 7-6 is a spiral four-blade type cement dredging head 7-6, as shown in fig. 5, wherein (a) is a cement dredging head structure diagram I, (b) is a cement dredging head structure diagram II, and (c) is a cement dredging head structure diagram III, cement removed by the cutting edge of the cement dredging head 7-6 can directly fall downwards along with a gap between cutter blades in the cleaning process, and meanwhile, the cement remained in the cement blanking inclined three-way pipe 8 can be prevented from falling and being accumulated on the back of the cutter head when the cutter head is in a lower position.
As an embodiment, the wiper blades 1-6 according to the invention are made of relatively soft polytetrafluoroethylene.
In fig. 3, m is 3 and n is 7, but the present invention is not limited to the above data, and is described as an example.
As one embodiment, the discharge dredging system and the cement discharging dredging system are respectively connected with the stirrer top cover 18 through a third flange 6 and a fourth flange 17; the discharge dredging system and the cement discharging dredging system respectively form a mixing stirrer whole with the part of the stirrer cylinder 19. The feed liquid enters the mixer barrel 19 through a feed liquid pipe (not shown in the figure) to be mixed and stirred with cement entering the mixer barrel 19 through a cement blanking inclined tee pipe 8, and is discharged through a lower feed opening (not shown in the figure) of the mixer barrel 19. And the cement ash attached to the wall of the inclined tee pipe 2 is dredged through a discharge dredging shaft 1 in the discharge dredging system. Cement ash attached to the wall of the cement discharging inclined three-way pipe 8 is dredged through a cement dredging head 7-6 on a cement dredging shaft 7 of the cement discharging dredging system.
As an embodiment, the first buckle 5 and the second buckle 16 of the present invention have the same structure, and the first buckle 5 and the second buckle 16 each include: the first flat key 7-5, the second flat key 16-2, the first retaining ring 16-4, the second retaining ring 16-5, the half coupling 16-6 and the inner hexagon bolt 16-1 are formed, and are specifically shown in a partial enlarged view I in FIG. 2.
As an implementation mode, a plurality of guide rods 15 respectively penetrate through a bottom plate hole of the lifting motor 13, a top plate hole of the second rotating motor 12 and two ends of a nut for the hole of the second centering device 11, a lifting screw rod is fixedly connected with the top of an outer cover of the second rotating motor 12 through bolts, when the lifting motor 13 operates, the second rotating motor 12 drives the cement dredging shaft 7 to rotate, and the lifting motor 13 drives the outer cover of the second rotating motor 12 to move up and down through the lifting screw rod, so that the cement dredging head 7-6 is driven to rotate up and down in the cement blanking inclined three-way pipe 8, and the cement junction on the inner wall of the cement blanking inclined three-way pipe is dredged.
Every time when dredging from top to bottom, cement cleaned by the cement dredging head 7-6 is temporarily stored on the back surface of the second sealing sleeve 7-7 until the component descends to the inside of the stirrer, the cement can be thrown into the stirrer due to the centrifugal force of inclined plane design and shaft rotation, and then the cement dredging shaft 7 is lifted, so that the second sealing sleeve 7-7 is sealed at the bottom of the blanking pipe, and the phenomenon that moist air enters the blanking pipe during stirring to enable residual cement of the blanking pipe to be damped and hardened is avoided.
FIG. 6 is a block diagram of a dredging control system according to an embodiment of the present invention, as shown in FIG. 6, the dredging control system includes k dredging devices 100, where k is an integer greater than or equal to 1, and a controller 200; the controller 200 is connected with the first rotating motor 3, the second rotating motor 12 and the lifting motor 13 in the k dredging devices 100, and is used for controlling the first rotating motor 3, the second rotating motor 12 and the lifting motor 13 to rotate; the model of the controller is STM32 singlechip.
The invention provides a call-through shaft 1 comprising: a first dredging shaft 1-1 and n dredging units; the first dredging shaft 1-1 is connected with a first dredging unit, and n dredging units are mutually staggered and connected at a first set angle, wherein n is an integer greater than or equal to 2; the dredging unit includes: 1-2 dredging sections and m cleaning devices; the m cleaning devices are staggered by a second set angle, wherein m is an integer greater than or equal to 2, and in the rotating process, the first rotating motor 3 drives the discharge dredging shaft 1 to do rotary motion, and the m cleaning devices are enabled to do swing motion according to the staggered second set angle to generate centrifugal force, so that the scraping blades 1-6 do rotary motion to clean cement ash generated by the inner wall of the discharge inclined three-way pipe 2 and the cement ash raised when the stirring tank discharges ash are not easy to adhere to the plurality of dredging units and the scraping blades 1-6, and the cleanliness is improved.
In addition, the call discharging and dredging system reduces the setting of the lifting motor 13, reduces the cost of the system, and also avoids the situation that the conventional call discharging and dredging system generates shaking and uneven inner wall of the pipe due to verticality and movement to generate larger friction force at different positions of each group of cleaning devices and the pipe wall, so that the dredging shaft is stressed unevenly, and the lifting motor drives the rotating motor to drive the rotating motor base to be blocked with the guide rods 15 in the up-and-down moving process of the four guide rods 15, thereby generating abnormal noise and increasing the load of the lifting motor 13.
Compared with the existing cement blanking dredging system, the cement blanking dredging system provided by the invention has the advantages that a centering device is reduced, and a movable centering sleeve 10 is manufactured and arranged at a proper position of the cement dredging shaft 7 to move and be centered along with the up-and-down movement of the shaft. When the equipment room is required to be overhauled, the upper centering device can be detached from the equipment room roof to withdraw the whole set of dredging mechanism from the sleeve for overhauling, so that the operation of entering the equipment room is avoided, the overhauling process is simplified, and the overhauling difficulty is reduced.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (5)
1. The utility model provides a pull throughs, its characterized in that, pull throughs are used for the mediation of the outer stirring cement solidification mixing stirrer of radioactivity waste liquid bucket, pull throughs include: a discharge dredging system and a cement discharging dredging system; the calling dredging system and the cement discharging dredging system are respectively connected with the top cover of the stirrer;
the call discharge dredging system comprises: a discharge dredging shaft, a discharge inclined three-way pipe, a first rotary motor and a first positioning device; the first locating device is arranged at one end of the discharge inclined three-way pipe; the discharge dredging shaft is arranged in the discharge inclined three-way pipe, penetrates through the first locating device and is connected with the first rotating motor;
the respiratory dredging shaft comprises: a first dredging shaft and n dredging units; the first dredging shaft is connected with a first dredging unit, and n dredging units are mutually staggered and connected at a first set angle, wherein n is an integer greater than or equal to 2;
the dredging unit includes: dredging sections and m cleaning devices; the m cleaning devices are staggered from each other by a second set angle and are arranged on the dredging joint, wherein m is an integer greater than or equal to 2;
the call discharge dredging shaft further comprises: a plurality of cotter pin assemblies; the first dredging shaft is connected with a first dredging unit through the cotter pin assembly, and adjacent dredging units are connected through the cotter pin assembly;
the cleaning device includes: the scraping blade comprises a scraping blade clamp, a scraping blade seat and a scraping blade; the scraping blade seat is arranged on the dredging joint, the scraping blade clamp is arranged on the scraping blade seat, the scraping blade is arranged on the scraping blade clamp, and the cutter point of the scraping blade is set to be longer than the outer wall of the inclined call three-way pipe;
the cement unloading mediation system includes: the cement dredging device comprises a cement dredging shaft, a cement discharging inclined three-way pipe, a first sealing sleeve, a movable centering sleeve, a second centering device, a second rotating motor, a lifting screw rod and a plurality of guide rods; the cement dredging shaft is arranged in the cement blanking inclined three-way pipe, the second centering device is connected with one end of the cement blanking inclined three-way pipe, the cement dredging shaft sequentially penetrates through the first sealing sleeve, the movable centering sleeve and the second centering device to be connected with the second rotating motor, the lifting motor is connected with the outer cover of the second rotating motor through the lifting screw rod, and the guide rod respectively penetrates through the bottom plate hole of the lifting motor, the top plate hole of the second rotating motor and the hole of the second centering device, and then the two ends of the guide rod are fixedly connected through nuts;
the cement dredging shaft includes: the cement dredging device comprises a cement dredging head, a second dredging shaft, a protective sleeve, a semi-ring sleeve, a jackscrew and a first flat key; the cement dredging head is arranged on the second dredging shaft through the first flat key, the semi-ring sleeve, the protective sleeve and the jackscrew in sequence;
the cement dredging shaft further comprises: a second gland; the second sealing sleeve is connected with the cement dredging head.
2. The pull through of claim 1, wherein the call-through system further comprises: the device comprises a first buckle and a first flange, wherein the call-discharge dredging shaft penetrates through the first locating device and is connected with the first rotary motor through the first buckle, the first flange is arranged at one end of the call-discharge inclined three-way pipe, and the first locating device is connected with the call-discharge inclined three-way pipe through the first flange.
3. The pull through of claim 1, wherein the cement blanking pull through system further comprises a second clasp and a second flange, the cement pull through shaft passing through the second centering device and being coupled to the second rotary motor by the second clasp; the second flange is arranged at one end of the cement blanking inclined three-way pipe, and the cement blanking inclined three-way pipe is connected with the second centering device through the second flange.
4. The pull through of claim 1 wherein the cementing pull through is a helical four-bladed cementing pull through.
5. A dredging control system, characterized in that the dredging control system comprises a dredging device as claimed in any one of claims 1-4, which has k dredging devices, wherein k is an integer greater than or equal to 1, and a controller; the controller is connected with the k first rotating motors, the k second rotating motors and the k lifting motors in the dredging device and used for controlling the first rotating motors, the second rotating motors and the lifting motors to rotate.
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| CN201811137592.6A CN109158387B (en) | 2018-09-28 | 2018-09-28 | Dredging device and dredging control system |
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| CN201811137592.6A CN109158387B (en) | 2018-09-28 | 2018-09-28 | Dredging device and dredging control system |
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