CN107178073B - Trash rack frame and chain type trash rack - Google Patents

Trash rack frame and chain type trash rack Download PDF

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Publication number
CN107178073B
CN107178073B CN201710444556.3A CN201710444556A CN107178073B CN 107178073 B CN107178073 B CN 107178073B CN 201710444556 A CN201710444556 A CN 201710444556A CN 107178073 B CN107178073 B CN 107178073B
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China
Prior art keywords
trash rack
fixed
vertical
adjacent
supporting parts
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CN201710444556.3A
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Chinese (zh)
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CN107178073A (en
Inventor
姚春风
丁进清
姚茹玲
李斌
吾斯曼江
杜奎
姚芳
雍百炼
刘益峰
杨全才
乐天宝
夏新民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Xinjiang Electric Power Co Jiangnan Power Supply Co
State Grid Corp of China SGCC
Original Assignee
State Grid Xinjiang Electric Power Co Jiangnan Power Supply Co
State Grid Corp of China SGCC
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Application filed by State Grid Xinjiang Electric Power Co Jiangnan Power Supply Co, State Grid Corp of China SGCC filed Critical State Grid Xinjiang Electric Power Co Jiangnan Power Supply Co
Priority to CN201710444556.3A priority Critical patent/CN107178073B/en
Publication of CN107178073A publication Critical patent/CN107178073A/en
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Publication of CN107178073B publication Critical patent/CN107178073B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/02Cleaning or keeping clear the surface of open water; Apparatus therefor from ice otherwise than according to E02B1/003
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/06Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • E02B15/104Conveyors; Paddle wheels; Endless belts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuse Receptacles (AREA)
  • Sewage (AREA)

Abstract

The invention relates to the technical field of trash racks, in particular to a trash rack frame and a chain type trash rack ring, wherein the trash rack frame comprises an installation frame body, a grid plate and fishing claws, the installation frame body comprises two horizontal supporting parts which are symmetrically distributed at intervals up and down, the inner sides of the two horizontal supporting parts are respectively and symmetrically fixed with vertical supporting parts, a detachable grid plate which is distributed at intervals left and right is installed between the two horizontal supporting parts, the front side of the lower end of each grid plate is fixed with the fishing claws, and each group of vertical supporting parts comprises two vertical supporting plates which are distributed at intervals left and right; the trash rack comprises connecting parts and trash rack frames distributed at intervals along the ring shape, and all the trash rack frames are connected together end to end through the connecting parts. The invention has reasonable and compact structure and convenient use, can achieve the effect of adjusting the density of the embodiment by dismounting the grid plate, further enables the embodiment to be suitable for the trash blocking requirements in different seasons, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.

Description

Trash rack frame and chain type trash rack
Technical Field
The invention relates to the technical field of trash racks, in particular to a trash rack frame and a chain type trash rack ring.
Background
The hydraulic power plant mainly depends on hydraulic potential energy to drive the water turbine to rotate, and the water turbine drives the generator to rotate and cut magnetic lines of force, so that electric energy is generated. However, in winter in the north, the temperature is low, water is easy to freeze, flowing water cannot be completely frozen, but a large amount of ice milk and block ice exist in the water, and the flow speed is seriously reduced. Once the ice cream and the ice blocks enter the volute of the water turbine set, the safe operation of the water turbine set is greatly damaged.
General hydraulic power plants generally clean sewage through a chain type fishing device provided with a trash rack, when the volume of block ice in water is large and gaps among grid bars are also large, the block ice is easy to block among the grid bars of the trash rack, and the block ice is blocked more and more by thrust of water, so that the trash rack is blocked, negative pressure of a pressure steel pipe is caused, and hidden danger is brought to safe operation of the pressure steel pipe; 2. once the block ice enters the volute of the generator set and is clamped between the fixed guide vane and the movable guide vane, accidental shearing of the shearing pins is easily caused when the unit adjusts load, and multiple shearing pins are easily caused to shear when the unit is started and stopped (or the unit load is adjusted greatly), so that tile burning accidents are easily caused when the stopping process is prolonged, and serious accidents such as runaway of the unit and the like are caused when the rotating speed of the unit is seriously out of control; 3. when the weather is colder, the larger the block ice area in water is, the thicker the thickness is, and the higher the ice milk density is, the ice milk enters the volute of the unit, the block ice is crowded due to interaction, a filtering effect can be generated, water is discharged, the ice milk is gathered in the volute, after long-time operation, the ice milk in the volute and a pressure pipeline is all generated, water flow is interrupted, and the unit is forced to stop operation (commonly called as enema); 4. when the flood comes in summer, a large number of branches and leaves are contained in the water, so that the trash rack is easy to block; 5. some articles for daily use, such as buckets, broken clothes, even wild goats drinking water at the river side and the like, are impacted on the trash rack by water flow, so that a large load is brought to the whole pollution discharge transmission mechanism, the operation is influenced, and potential safety hazards are brought.
Disclosure of Invention
The invention provides a trash rack frame and a chain type trash rack, overcomes the defects of the prior art, and can effectively solve the problems that the existing trash rack for hydropower plants is easily blocked by ice cream, block ice or sundries, has potential safety hazards, and the sparseness of the trash rack cannot be adjusted according to seasons.
One of the technical schemes of the invention is realized by the following measures: the utility model provides a trash rack frame, includes installation framework, bars slat and drags for the claw, and the installation framework includes two horizontal support portions of interval symmetric distribution from top to bottom, and two horizontal support portion inboards are fixed with vertical supporting part respectively the symmetry, installs between two horizontal support portions to be about interval distribution's detachable bars slat, and every bars slat lower extreme front side all is fixed with drags for the claw, and every vertical supporting part of group all includes two vertical faggings of interval distribution about along.
The following is further optimization or/and improvement of the technical scheme of the invention:
can follow between the above-mentioned horizontal support portion and control direction interval distribution and have fixed subassembly, every fixed subassembly includes that two are the interval about can't divide vertical even board, the vertical upper end of linking the board of upside is together fixed with the horizontal support portion of upside, the vertical lower extreme of linking the board of downside is together fixed with the horizontal support portion of downside, there is at least a set of fixed mounting who goes up the bars board between every two sets of adjacent fixed subassemblies, the upper end of every bars board all with rather than the vertical board of linking of upside that corresponds pass through connecting bolt fixed mounting together, the lower extreme of every bars board all with rather than the vertical board of linking of downside that corresponds pass through connecting bolt fixed mounting together.
The distance between each two adjacent grid plates can be between 15cm and 20 cm.
The distance between each two adjacent grid plates can be between 30cm and 40 cm.
The horizontal supporting part can be a channel steel with an opening towards the outer side, and vertical connecting plates are symmetrically fixed on the inner sides of the two channel steels respectively.
The upside channel-section steel bottom of position can all be equipped with the discharge orifice between per two adjacent vertical continuous boards of upside, and the downside channel-section steel top of position all is equipped with the discharge orifice between per two adjacent vertical continuous boards.
Each of the fishing claws may be formed in an L shape which is open to the rear side of the upper portion.
The second technical scheme of the invention is realized by the following measures: the utility model provides a chain trash rack, include adapting unit and be interval distribution's trash rack frame along the annular, all trash rack frames all link together end to end through adapting unit, adapting unit includes the connecting plate, splice bar and articulated shaft, every vertical fagging all is in the same place through construction bolt and connecting plate externally mounted, the left and right sides of every chain trash rack is equipped with an articulated shaft respectively, every articulated shaft both ends are all worn out rather than the whole connecting plates that correspond, and the both ends of every articulated shaft are fixed with spacing block respectively, all be equipped with a splice bar between every two about adjacent connecting plates, the both ends difference suit of splice bar is on the articulated shaft that corresponds the position.
The following is further optimization or/and improvement of the technical scheme of the invention:
the middle part of the articulated shaft can be sleeved with a limit sleeve positioned at the inner side of two adjacent connecting ribs.
The invention has reasonable and compact structure and convenient use, can achieve the effect of adjusting the density of the embodiment by dismounting the grid plate, further enables the embodiment to be suitable for the trash blocking requirements in different seasons, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present invention.
Fig. 2 is a left side view schematic diagram of fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
Fig. 4 is a schematic front view of embodiment 2 of the present invention.
Fig. 5 is a schematic front view of embodiment 3 of the present invention.
Fig. 6 is a right-side view structural diagram of fig. 5.
Fig. 7 is a schematic structural view of the use state of the embodiment 3 in three seasons of spring, summer and autumn.
The codes in the figures are respectively: 1 is the bars slat, 2 is the claw of dragging for, 3 is vertical fagging, 4 are vertical even boards, 5 are connecting bolt, 6 are the channel-section steel, 7 are the discharge orifice, 8 are the connecting plate, 9 are the splice bar, 10 are the articulated shaft, 11 are construction bolt, 12 are spacing sleeve pipe, 13 are spacing parts.
Detailed Description
The present invention is not limited by the following examples, the specific implementation can be determined according to the technical scheme and the practical situation of the invention.
In the first two embodiments, for convenience of description, the description of the relative positional relationship of the components is described according to the layout of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached drawings 1, 2, 3, 4, 5, 6 and 7, the trash rack frame comprises an installation frame body, a grid plate 1 and fishing claws 2, the installation frame body comprises two horizontal supporting parts which are symmetrically distributed at the upper and lower intervals, vertical supporting parts are symmetrically fixed on the inner sides of the two horizontal supporting parts respectively, the detachable grid plate 1 which is distributed at the left and right intervals is installed between the two horizontal supporting parts, the front side of the lower end of each grid plate 1 is fixedly provided with the fishing claws 2, and each vertical supporting part comprises two vertical supporting plates 3 which are distributed at the left and right intervals. During the use, install this embodiment on bilateral symmetry's two sets of upper and lower interval distribution's that arrange transmission tooth group through vertical supporting part, accessible dismouting bars slat 1 reaches the effect of adjusting this embodiment density, and then makes this embodiment be applicable to the trash demand of blocking in different seasons.
The trash rack frame can be further optimized or/and improved according to actual needs:
as shown in attached figures 1, 2, 3, 4, 5, 6 and 7, fixing components are distributed among the horizontal supporting parts at intervals along the left-right direction, each fixing component comprises two vertical connecting plates 4 which are not vertically separated, the upper ends of the upper vertical connecting plates 4 are fixed with the horizontal supporting parts of the upper sides, the lower ends of the lower vertical connecting plates 4 are fixed with the horizontal supporting parts of the lower sides, and each adjacent horizontal supporting part
At least one set of fixed mounting has bars board 1 on between two sets of fixed subassemblies, and every bars board 1's upper end all passes through connecting bolt 5 fixed mounting with rather than the vertical even board 1 of upside that corresponds together, and every bars board 1's lower extreme all passes through connecting bolt 5 fixed mounting with rather than the vertical even board 1 of downside that corresponds together. The grid plate 1 and the horizontal supporting part are connected by the vertical connecting plate 4 and the connecting bolt 5, so that the grid plate 1 can be conveniently mounted and dismounted, and the working efficiency is improved.
Example 1: as shown in fig. 1, 2, 3 and 4, the distance between every two adjacent grid strips 1 is between 15cm and 20 cm. Above-mentioned setting can guarantee that this embodiment can effectively intercept small volume dirt such as ice cream and lump ice, is suitable for winter use.
Example 2: as shown in fig. 4, the distance between each two adjacent grid plates 1 is between 30cm and 40 cm. Above-mentioned setting, the accessible is realized at an interval dismantlement grid slat 1 on embodiment 1's basis, makes this embodiment in three seasons of spring, summer and autumn, can reduce self whole weight when guaranteeing effectively to intercept bulky debris such as branches, lightens the whole load of device of decontaminating, improves the security.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the horizontal support portion is a channel steel 6 opened to the outside, and vertical connecting plates 4 are symmetrically fixed to the inner sides of the two channel steels 6, respectively. Set up horizontal support portion into outside open-ended channel-section steel 6, make this embodiment have higher torsional resistance and compression strength, guarantee its holistic stability, increase of service life.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, drain holes 7 are formed in the bottoms of the upper side channel steels 6 between every two adjacent vertical connecting plates 4, and drain holes 7 are formed in the tops of the lower side channel steels 6 between every two adjacent vertical connecting plates 4. The setting of discharge orifice 7 can be filtered the water that channel-section steel 6 carried up, reduces the whole weight of this embodiment when using, alleviates the whole load of device of decontaminating, improves the security.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, each of the scooping claws 2 has an L shape open to the rear side of the upper part. Set up to be to the L shape of the side opening of the back side of the top, it can fix debris such as branches, improves the efficiency of decontaminating of this embodiment with dragging for claw 2.
In the following embodiments, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 5 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 5 in the specification.
Example 3: as shown in the accompanying drawings 1, 2, 3, 4, 5, 6 and 7, the chain type trash rack comprises connecting parts and trash rack frames which are distributed at intervals along the ring shape, all the trash rack frames are connected together end to end through the connecting parts, each connecting part comprises a connecting plate 8, connecting ribs 9 and hinged shafts 10, each vertical supporting plate 3 is installed with the connecting plates 8 through mounting bolts 11, the left side and the right side of each chain type trash rack are respectively provided with one hinged shaft 10, both ends of each hinged shaft 10 penetrate through all the connecting plates corresponding to the hinged shaft 10, both ends of each hinged shaft 10 are respectively fixed with limiting parts, each connecting rib 9 is arranged between every two adjacent connecting plates 8, and both ends of each connecting rib 9 are respectively sleeved on the hinged shafts 10 corresponding to the positions. The above-mentioned stopper 13 may adopt a nut, a cotter or other known techniques; the two connecting ribs 9 on the left side of each trash rack frame form a transmission chain link, the two connecting ribs 9 on the right side of each trash rack frame form a transmission chain link, and after the two connecting ribs are connected through the connecting plates 8 at corresponding positions, two transmission chain links are formed on the front side and the rear side of the trash rack frame; two gears which are distributed at intervals can be arranged on the inner side of each transmission chain and are driven to move, so that the integral rotation of the embodiment is realized; when the device is used, the effect of adjusting the density of the embodiment can be achieved by dismounting the grid plate 1, so that the embodiment is suitable for the trash blocking requirements in different seasons; the density of the embodiment can be adjusted by adding and deleting the trash rack frames to meet the requirements of different seasons, and the trash rack frames are arranged in the connecting plates 8 corresponding to the front and the back of each group and can be used for trash rack operation in winter; after the trash rack frames are taken down one by one at intervals, the trash rack can be applied to trash rack operation in three seasons of spring, summer and autumn, the whole load is reduced, and the safety is improved.
The chain type trash rack can be further optimized or/and improved according to actual needs:
as shown in fig. 1, 2, 3, 4, 5, 6, and 7, the middle of the hinge shaft 10 is sleeved with a limit sleeve 12 located inside the two adjacent connecting ribs 9. The limiting sleeve 12 plays a role in preventing the strength of the hinge shaft 10 from being increased and preventing bending, and the overall torsion resistance of the embodiment is improved.
The above technical features constitute a preferred embodiment of the present invention, which has strong adaptability and good implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims (5)

1. The utility model provides a trash rack frame, which is characterized in that includes the installation framework, the bars slat and drag for the claw, the installation framework includes two horizontal support portions of upper and lower interval symmetric distribution, install the detachable bars slat that is left and right interval distribution between two horizontal support portions, it has fixed subassembly to distribute along left and right direction interval between the horizontal support portion, every fixed subassembly includes two vertical tie plates that are upper and lower interval distribution, the upper end of upper side vertical tie plate is together fixed with the horizontal support portion of upper side, the lower extreme of lower side vertical tie plate is together fixed with the horizontal support portion of lower side, at least one group of upper fixed mounting has the bars slat between every two adjacent groups of fixed subassemblies, the upper end of each bars slat all passes through connecting bolt fixed mounting with its corresponding upper side vertical tie plate together, the lower extreme of each bars slat all passes through connecting bolt fixed mounting with its corresponding lower side vertical tie plate together, the horizontal support portion is the channel-section steel of outside opening, the inside of two channel-section steel is symmetrically fixed with vertical tie plate respectively; the bottom of the upper side channel steel between every two adjacent vertical connecting plates is provided with a drainage hole, and the top of the lower side channel steel between every two adjacent vertical connecting plates is provided with a drainage hole; a fishing claw is fixed on the front side of the lower end of each grid plate, and each fishing claw is in an L shape with an upward rear side opening; the inner sides of the two horizontal supporting parts are symmetrically fixed with vertical supporting parts respectively, and each group of vertical supporting parts comprises two vertical supporting plates which are distributed at intervals along the left and right.
2. The trash rack frame of claim 1 wherein the distance between each two adjacent grid strips is between 15cm and 20 cm.
3. The trash rack frame of claim 1 wherein the distance between each two adjacent grid strips is between 30cm and 40 cm.
4. The chain type trash rack is characterized by comprising a connecting part and trash rack frames which are distributed at intervals along the ring shape, all the trash rack frames are connected together end to end through the connecting part, the connecting part comprises a connecting plate, connecting ribs and hinged shafts, each vertical supporting plate is installed with the outside of the connecting plate through mounting bolts, the left side and the right side of each chain type trash rack are respectively provided with a hinged shaft, the two ends of each hinged shaft penetrate through all the connecting plates corresponding to the hinged shaft, the two ends of each hinged shaft are respectively fixed with a limiting part, a connecting rib is arranged between every two adjacent connecting plates, and the two ends of each connecting rib are respectively sleeved on the hinged shafts corresponding to the connecting ribs.
5. The chain type trash rack of claim 4 wherein the middle portion of the hinge shaft is sleeved with a position limiting sleeve inside two adjacent connecting ribs.
CN201710444556.3A 2017-06-13 2017-06-13 Trash rack frame and chain type trash rack Active CN107178073B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710444556.3A CN107178073B (en) 2017-06-13 2017-06-13 Trash rack frame and chain type trash rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710444556.3A CN107178073B (en) 2017-06-13 2017-06-13 Trash rack frame and chain type trash rack

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CN107178073A CN107178073A (en) 2017-09-19
CN107178073B true CN107178073B (en) 2023-03-31

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Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2460367A1 (en) * 1979-06-29 1981-01-23 Grall Henri VERTICAL DOCK WITH INSTANTANEOUS IMMEDIATE IMMEDIATE LAUNCHING FOR SCREENING OR CLOSING AN OIL OR HYDROCARBON FLOAT ON THE SURFACE OF WATER
CN2352576Y (en) * 1998-10-21 1999-12-08 周德华 Stage changeable type barrier for removing dirt from water
CN201174932Y (en) * 2007-12-23 2009-01-07 中国海洋大学 Rectangular fish shrimp separating device
CN103362110B (en) * 2013-06-24 2015-04-01 河海大学 Self-adaptive trash holding device with variable grid distance and length
CN104137796B (en) * 2014-07-28 2016-03-02 中国水产科学研究院东海水产研究所 Fry sorter
CN204151764U (en) * 2014-08-16 2015-02-11 张姝乐 A kind of trashrack unit and trashrack
CN204875729U (en) * 2015-07-20 2015-12-16 河南黄河水工机械有限公司 Gyration trash cleaning machine trash rack structure
CN106087924B (en) * 2016-07-27 2018-03-09 无锡俊达机电制造有限公司 Bath class, which is blocked, drags for device
CN106430350B (en) * 2016-11-09 2023-06-02 南昌大学 Curved surface grid trash remover with adjustable grid spacing
CN106759191B (en) * 2016-12-12 2019-03-22 河海大学 A kind of novel water course hydrophyte natantia salvages and clears device
CN206902676U (en) * 2017-06-13 2018-01-19 国网新疆电力公司疆南供电公司 Trash rack frame and chain type block dirty ring grid

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