CN111764361B - Comprehensive cleaning method for pump station forebay - Google Patents
Comprehensive cleaning method for pump station forebay Download PDFInfo
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- CN111764361B CN111764361B CN202010613139.9A CN202010613139A CN111764361B CN 111764361 B CN111764361 B CN 111764361B CN 202010613139 A CN202010613139 A CN 202010613139A CN 111764361 B CN111764361 B CN 111764361B
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- pump station
- station forebay
- trash
- pipe
- forebay
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8816—Mobile land installations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The comprehensive cleaning method for the front pool of the pump station comprises the following steps: (1) a rotary chain net trash remover is installed at a water inlet of a pump station forebay, a chain plate conveyor is installed below the left side of the rotary chain net trash remover, a U-shaped spiral conveyor is installed in front of the edge of the front side of the upper part of the pump station forebay, a movable dredging device is installed above the pump station forebay, and lifting trash holding devices are installed at gates on the rear side of the pump station forebay; (2) collecting and cleaning floating objects (algae) in water at a water inlet of a front pool of the pump station through a rotary chain net sewage disposal machine; (3) pumping and cleaning sludge in the front pool of the pump station through the movable dredging device; (4) and intercepting large floating objects in water at each gate on the rear side of the front pool of the pump station through the lifting type trash blocking device. The invention is divided into three parts for cleaning, can ensure the quality of water in the front pool of the pump station, ensure the safety of water used by a waterworks and ensure the normal operation of water delivery of each delivery pipeline.
Description
Technical Field
The invention relates to the technical field of pump station forebay decontamination, in particular to a comprehensive decontamination method for a pump station forebay.
Background
Water in a common channel enters a pump station forebay through a water diversion port and is conveyed to a water supply plant by a pump station, floating objects are easy to deposit due to the characteristics of the structure of the pump station forebay, silt can be continuously accumulated at the bottom of the forebay along with time, and large floating objects (leaves, branches, plastic bags and the like) falling from the outside can easily float in the pump station forebay, and the water conveying work of each conveying pipeline at the rear side of each gate port of the pump station forebay can be influenced.
Disclosure of Invention
The invention aims to provide a comprehensive cleaning method for a pump station forebay.
In order to achieve the purpose, the invention adopts the following technical scheme:
the comprehensive cleaning method for the front pool of the pump station comprises the following steps:
(1) a rotary chain net trash remover is installed at a water inlet of a pump station forebay, a chain plate conveyor is installed below the left side of the rotary chain net trash remover, a U-shaped spiral conveyor is installed in front of the edge of the front side of the upper part of the pump station forebay, a movable dredging device is installed above the pump station forebay, and lifting trash holding devices are installed at gates on the rear side of the pump station forebay;
(2) collecting and cleaning floating objects (algae) in water at a water inlet of a front pool of the pump station through a rotary chain net sewage disposal machine, conveying the floating objects into a shell of a U-shaped spiral conveyor through a chain plate conveyor, and pushing the floating objects into a sewage disposal pool through the U-shaped spiral conveyor;
(3) pumping and cleaning the sludge in the front pool of the pump station through the movable sludge cleaning device, discharging the sludge into a shell of a U-shaped screw conveyor, and pushing the sludge into a sewage treatment pool by the U-shaped screw conveyor;
(4) and intercepting the large floating objects in the water at each gate on the rear side of the front pool of the pump station through the lifting type trash blocking device.
The rotary type chain net trash remover inclines leftwards and rightwards to be arranged at a water inlet of a pump station forebay and covers the water inlet comprehensively, a chain plate type conveyor horizontally stretches across the upper portion of the pump station forebay along the front-back direction, a U-shaped spiral conveyor is arranged in front of the edge of the front side of the upper portion of the pump station forebay along the left-right direction, the output end of the chain plate type conveyor is connected with the sewage inlet end of the U-shaped spiral conveyor, a movable type trash removal device is arranged above the pump station forebay in a sliding mode along the left-right direction, the sludge suction end of the movable type trash removal device is arranged below the water surface of the pump station forebay, the sludge discharge end of the movable type trash removal device is connected with the sewage inlet end of the U-shaped spiral conveyor, a lifting type trash blocking device is arranged at each gate on the rear side of the pump station forebay and is positioned on the front side of each conveying pipeline, and the sewage discharge end of the U-shaped spiral conveyor is introduced into a treatment pool outside the pump station forebay.
The rotary chain-net trash remover comprises a frame, chain net and gear motor, frame place plane sets up along the vertical direction in front and back, the slope setting of frame high left and low right is gone into water inlet department and is covered the water inlet comprehensively in the pump station forebay, both sides limit difference fixed connection is on the both sides concrete wall around the pump station forebay around the frame, the upper left portion level of frame is buckled and is located the chain slat type conveyer directly over, the upper left portion and the right lower part of frame rotate respectively and are connected with a pivot that sets up along the fore-and-aft direction level, the equal fixed mounting in both ends has the sprocket around the every pivot, the chain net suit is on four sprockets, gear motor fixed mounting is in the upper left portion front side of frame, the front end of the pivot of upside is connected in gear motor's output shaft coaxial drive, the fixed spray tube that is parallel with the pivot and is located the chain net inboard that is provided with to the upper left portion of frame, the lower side of spray tube is provided with the nozzle of a plurality of jet down along the fore-and-aft direction interval.
The movable dredging device comprises two rails, a bridge crane, a submersible stirring dredging machine, a U-shaped groove and vertical telescopic pipes, the two rails are arranged in front and at the back side of the front pool of a pump station side by side respectively and are arranged on the front side and the back side of the upper part of the front pool of the pump station along the left-right direction, the bridge crane stretches across the upper part of the front pool of the pump station along the front-back direction, the front side and the back side of a bridge frame of the bridge crane are respectively arranged on the two rails in a sliding mode, the submersible stirring dredging machine is vertically arranged, the top of the submersible stirring dredging machine is fixedly connected with the hoisting end of a crane of the bridge crane, the top of the U-shaped groove is open and is fixedly arranged on the upper surface of the bridge frame of the bridge crane along the front-back direction, the front side and the back side of the U-shaped groove are obliquely arranged, a sewage discharge pipe communicated with the inside of the U-shaped groove is fixedly arranged at the bottom of a front side plate of the U-shaped groove, the front side part of the sewage pipe is vertically bent downwards, and the lower end of the sewage pipe is connected at the top of an upper long opening of the U-shaped spiral conveyor in a sliding mode The casing inside intercommunication, vertical flexible pipe divide into the three-section pipe, the upper side pipe and the lower side pipe of vertical flexible pipe are the steel pipe, the middle part pipe of vertical flexible pipe is the flexible pipe of elasticity, the upper side pipe of vertical flexible pipe passes through staple bolt fixed connection on bridge crane's loop wheel machine casing, the lower extreme import of the lower side pipe of vertical flexible pipe and the silt export fixed connection of dive stirring silt remover, the upper side portion horizontal bending left of the upper side pipe of vertical flexible pipe sets up and bends downwards again, the upper end export of the upper side pipe of vertical flexible pipe sets up directly over U type groove down.
The hopper that the upside long mouthful top right side fixedly connected with top of U type screw conveyer is uncovered and big-end-up, butt joint from top to bottom with U type screw conveyer's upside long mouth, chain slat conveyor's front side output and the butt joint of the top import of hopper.
The lifting type trash blocking device comprises a portal frame, a double-hook electric hoist and a plurality of trash blocking grids, each trash blocking grid is arranged between concrete walls on two sides of each gate on the rear side of a pump station forebay in a sliding mode and located on the front side of each conveying pipeline, the portal frame stretches across the top of each gate on the rear side of the pump station forebay along the left-right direction, an I-shaped steel rail is fixedly connected to the cross beam of the portal frame along the left-right direction, the left end of the I-shaped steel rail extends to the left side of the outside of the pump station forebay left, the double-hook electric hoist moves on the I-shaped steel rail through a hoist carriage, and the double-hook hoisting of the double-hook electric hoist is provided with an automatic grabbing beam.
The lower extreme of blow off pipe is connected with the direction leak protection cover of channel-section steel type, and bottom, left side and the right side of direction leak protection cover are all uncovered, and the round hole that corresponds the intercommunication with the lower port of blow off pipe is seted up to direction leak protection cover, and the front side and the rear side of direction leak protection cover are sliding fit with U type screw conveyer's casing top front side and rear side respectively.
The step (2) is specifically as follows: start gear motor, U type screw conveyer and chain slat conveyor, the pivot of gear motor drive upside, and then drive two sprocket rotations of upside, thereby it is whole rotatory on the frame to drive the chain net, the chain net intercepts floater (alga) in the aquatic of pump station forebay mouth of entry, the floater just can attach to the surface of chain net, the chain net drives adnexed floater and removes together, when the floater removes to the upside portion of frame and is located the spray tube below, each nozzle is sprayed water downwards and will be attached to the floater on the chain net and wash away, the floater just can drop to the chain slat conveyor on, the chain slat conveyor carries the floater and the water of washing usefulness to funnel department together, in the casing of hopper entering U type screw conveyer, U type screw conveyer just pushes away the filth and water left simultaneously to handling the pond.
The step (3) is specifically as follows: the lifting end of the crane of the bridge crane is hung with the submersible stirring silt remover, the submersible stirring silt remover is sunk to the bottom of the pump station forebay, the submersible stirring silt remover is started, the submersible stirring silt remover sucks and cleans silt deposited at the bottom of the pump station forebay, wherein, the sludge and the water are sucked together and output to the U-shaped groove through the vertical extension tube, the sludge and the water flow forwards along the U-shaped groove and are discharged into the shell of the U-shaped screw conveyor through the sewage discharge pipe due to the inclined arrangement of the U-shaped groove with the lower front part and the higher rear part, the U-shaped screw conveyor simultaneously pushes the sludge and the water to the left in the sewage treatment tank, wherein the crane of the bridge crane can move back and forth along the bridge of the bridge crane, and the bridge of the bridge crane can move left and right along two tracks arranged at the front and rear side edges of the upper part of the pump station forebay, therefore, the bridge crane can drive the submersible stirring silt remover to carry out full-coverage desilting work on the front pool of the pump station.
The step (4) is specifically as follows: the method comprises the steps of arranging the trash racks between concrete walls on two sides of each sluice gate on the rear side of a pump station forebay in a sliding mode and on the front side of each conveying pipeline, enabling the trash racks to intercept large floating objects in water at each sluice gate on the rear side of the pump station forebay, when a large number of floating objects are attached to one trash rack, affecting water inlet of the sluice gate, controlling a double-hook electric hoist to move to the position above the trash rack along an I-shaped steel rail, moving an automatic grabbing beam downwards to the top of the trash rack through the double-hook electric hoist to enable the automatic grabbing beam to grab the top of the trash rack, controlling the double-hook electric hoist to lift the automatic grabbing beam to hoist the trash rack out of the corresponding sluice gate, driving the trash rack to move leftwards to the left end of the I-shaped steel rail through the double-hook electric hoist to enable the trash rack to be located on the left side of the outside of the pump station forebay, the staff clears up this trash rack, and after the clearance was accomplished, double hook electric block drove this trash rack and moves to corresponding gate top again, and it corresponds slidable mounting in corresponding gate department to descend this trash rack at last to continue to intercept the floater.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly, the invention is designed based on the structural characteristics of the pump station forebay and is divided into three parts: firstly, a rotary chain net trash remover is arranged at a water inlet of a pump station forebay, the rotary chain net trash remover can collect and clean floating objects (algae) in water at the water inlet of the pump station forebay, convey the floating objects to a hopper through a chain plate conveyor, enter a shell of a U-shaped spiral conveyor through a funnel, and push the floating objects to a sewage treatment pool through the U-shaped spiral conveyor, so that the water entering the pump station forebay from a water diversion port of a channel is preliminarily blocked and cleaned at the water inlet; then, a crane of the bridge crane hoists a submersible stirring silt remover to enable the submersible stirring silt remover to sink to the bottom of the pump station forebay, the submersible stirring silt remover sucks and cleans silt deposited at the bottom of the pump station forebay, wherein, the sludge and the water are sucked together and output to the U-shaped groove through the vertical extension tube, the sludge and the water flow forwards along the U-shaped groove and are discharged into the shell of the U-shaped screw conveyor through the sewage discharge pipe due to the inclined arrangement of the U-shaped groove with the lower front part and the higher rear part, the U-shaped screw conveyor simultaneously pushes the sludge and the water to the left in the sewage treatment tank, wherein the crane of the bridge crane can move back and forth along the bridge of the bridge crane, and the bridge of the bridge crane can move left and right along two tracks arranged at the front and rear side edges of the upper part of the pump station forebay, thus, the bridge crane can drive the submersible stirring silt remover to carry out full-coverage desilting work on the front pool of the pump station; finally, each trash rack is arranged between two concrete walls of each sluice gate on the rear side of the pump station forebay in a sliding mode and located on the front side of each conveying pipeline, so that each trash rack can intercept larger floating objects in water at each sluice gate on the rear side of the pump station forebay, when a certain trash rack is attached with more floating objects, the water inlet of the sluice gate is influenced, the automatic grabbing beam can be moved downwards to the top of the trash rack through the double-hook electric hoist to enable the automatic grabbing beam to grab the top of the trash rack, then the double-hook electric hoist is controlled to lift the automatic grabbing beam, so that the trash rack is lifted out of the corresponding sluice gate, then the double-hook electric hoist drives the trash rack to move leftwards to the left end of the I-shaped steel rail to enable the trash rack to be located on the left side outside of the pump station forebay, a worker cleans the trash rack, and after the cleaning is completed, the double-hook electric hoist drives the trash rack to move to the position above the corresponding gate, and finally, the trash rack is landed, correspondingly and slidably mounted at the corresponding gate, so that floating objects are continuously intercepted; through the three parts of decontamination processes, the quality of water in the front pool of the pump station can be ensured, the safety of water used by a waterworks is ensured, and the normal operation of water delivery of each delivery pipeline is ensured.
Drawings
Fig. 1 is a schematic view of the arrangement of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a sectional view taken along line a-a in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is a sectional view taken along line C-C in fig. 3.
Fig. 6 is a partially enlarged view of fig. 1 at D.
Fig. 7 is a partially enlarged view of fig. 1 at E.
Fig. 8 is a schematic sectional view showing the structure of the rotary chain net sewage cleaning machine of the present invention.
Detailed Description
The embodiments of the present invention are further described below with reference to the drawings.
As shown in fig. 1-8, the method for comprehensively cleaning the front pool of the pump station comprises the following steps:
(1) a rotary chain net trash remover 1 is installed at a water inlet of a pump station forebay 19, a chain plate conveyor 3 is installed below the left side of the rotary chain net trash remover 1, a U-shaped spiral conveyor 2 is installed in front of the front side edge of the upper part of the pump station forebay 19, a movable type dredging device is installed above the pump station forebay 19, and lifting type trash holding devices are installed at gate openings 20 on the rear side of the pump station forebay 19;
(2) collecting and cleaning floating objects (algae) in water at a water inlet of a pump station forebay 19 through a rotary chain net trash remover 1, conveying the floating objects into a shell of a U-shaped spiral conveyor 2 through a chain plate conveyor 3, and pushing the floating objects into a dirt treatment pool 23 through the U-shaped spiral conveyor 2;
(3) pumping and cleaning the sludge in the pump station forebay 19 through the movable sludge cleaning device, discharging the sludge into the shell of the U-shaped screw conveyor 2, and pushing the sludge into the sewage treatment pool by the U-shaped screw conveyor 2;
(4) and intercepting large floating objects in water at each sluice gate 20 at the rear side of the pump station forebay 19 by a lifting type trash blocking device.
The rotary type chain net trash remover 1 is obliquely arranged at a water inlet of a pump station forebay 19 in a left-high-right mode and completely covers the water inlet, a chain plate type conveyor 3 horizontally stretches across and is fixedly arranged on the upper portion of the pump station forebay 19 in the front-back direction, a U-shaped spiral conveyor 2 is arranged in front of the edge of the front side of the upper portion of the pump station forebay 19 in the left-right direction, the output end of the chain plate type conveyor 3 is connected with the sewage inlet end of the U-shaped spiral conveyor 2, a movable type trash remover is arranged above the pump station forebay 19 in the left-right direction in a sliding mode, the sludge suction end of the movable type trash remover is arranged below the water surface of the pump station forebay 19, the sludge discharge end of the movable type trash remover is connected with the sewage inlet end of the U-shaped spiral conveyor 2, a lifting type trash remover is arranged at each gate 20 on the rear side of the pump station forebay 19 and is arranged on the front side of each conveying pipeline 22, and the sewage discharge end of the U-shaped spiral conveyor 2 is introduced into a sewage treatment pool 23 on the outer side of the pump station forebay 19.
The rotary chain-net trash remover 1 comprises a frame 4, a chain net 5 and a reducing motor 6, wherein the plane of the frame 4 is arranged along the front-back vertical direction, the frame 4 is obliquely arranged at the water inlet of a pump station forebay 19 in a left-high-right-low manner and covers the water inlet completely, the front side and the rear side of the frame 4 are respectively and fixedly connected to the concrete walls at the front side and the rear side of the pump station forebay 19, the upper left part of the frame 4 is horizontally bent and positioned right above a chain plate conveyor 3, the upper left part and the lower right part of the frame 4 are respectively and rotatably connected with a rotating shaft 26 horizontally arranged along the front-back direction, the front end and the rear end of each rotating shaft 26 are respectively and fixedly provided with a chain wheel 21, the chain net 5 is sleeved on the four chain wheels 21, the reducing motor 6 is fixedly arranged at the front side of the upper left part of the frame 4, the output shaft of the reducing motor 6 is coaxially and is in transmission connection with the front end of the rotating shaft 26 at the upper side, the upper left part of the frame 4 is fixedly provided with a spray pipe 7 which is parallel to the rotating shaft 26 and positioned at the inner side of the chain net 5, a plurality of nozzles 8 for downward spraying are arranged at intervals along the front-rear direction on the lower side part of the spray pipe 7.
The movable dredging device comprises two rails 9, a bridge crane 10, a submersible stirring dredging machine 11, a U-shaped groove 12 and a vertical telescopic pipe 13, wherein the two rails 9 are respectively arranged at the front side and the rear side of the upper part of a pump station forebay 19 in parallel and along the left-right direction, the bridge crane 10 stretches across the upper part of the pump station forebay 19 along the front-rear direction, the bottoms of the front side and the rear side of the bridge frame of the bridge crane 10 are respectively arranged on the two rails 9 in a sliding manner, the submersible stirring dredging machine 11 is vertically arranged, the top of the submersible stirring dredging machine 11 is fixedly connected with the hoisting end of a crane of the bridge crane 10, the top of the U-shaped groove 12 is open and is fixedly arranged on the upper surface of the bridge frame of the bridge crane 10 along the front-rear direction, the U-shaped groove 12 is arranged in a low-front-rear high inclined manner, the bottom of a front side plate of the U-shaped groove 12 is fixedly provided with a sewage discharge pipe 25 communicated with the interior of the U-shaped groove 12, the front side part of the sewage pipe 25 is vertically bent downwards, the lower extreme sewage port sliding connection of blow off pipe 25 is at the top of the upside long mouthful of U type screw conveyer 2 and with the inside intercommunication of U type screw conveyer 2's casing, vertical flexible pipe 13 divide into three sections pipe, the upper side pipe and the lower side pipe of vertical flexible pipe 13 are the steel pipe, the middle part pipe of vertical flexible pipe 13 is the flexible pipe of elasticity, the upper side pipe of vertical flexible pipe 13 passes through staple bolt fixed connection on bridge crane 10's loop wheel machine casing, the lower extreme import of the lower side pipe of vertical flexible pipe 13 and the silt export fixed connection of dive stirring silt remover 11, the upper side portion of the upper side pipe of vertical flexible pipe 13 is horizontally buckled left and is set up and bend downwards again, the upper end export of the upper side pipe of vertical flexible pipe 13 sets up directly over U type groove 12 down.
The hopper 14 that the upside long-mouth top right side fixedly connected with top of U type screw conveyer 2 is uncovered and big-end-up, butt joint about the bottom center export of hopper 14 and U type screw conveyer 2's the upside long-mouth, and the front side output of drag conveyor 3 and the butt joint of the top import of hopper 14.
The lifting type trash blocking device comprises a portal frame 15, a double-hook electric hoist 16 and a plurality of trash blocking grilles 17, wherein each trash blocking grille 17 is arranged between concrete walls on two sides of each gate opening 20 on the rear side of a pump station forebay 19 in a sliding mode and located on the front side of each conveying pipeline 22, the portal frame 15 stretches over each gate opening 20 on the rear side of the pump station forebay 19 in the left-right direction, an I-shaped steel rail 24 is fixedly connected to a cross beam of the portal frame 15 in the left-right direction, the left end of the I-shaped steel rail 24 extends to the left side of the outer portion of the pump station forebay 19, the double-hook electric hoist 16 moves on the I-shaped steel rail 24 through a hoist (conventional device, not shown), and an automatic grabbing beam 18 is arranged on the double-hook hoist of the double-hook electric hoist 16.
The lower extreme of blow off pipe 25 is connected with direction leak protection cover 27 of channel-section steel type, and bottom, left side and the right side of direction leak protection cover 27 are all uncovered, set up the round hole that corresponds the intercommunication with the lower port of blow off pipe 25 on the direction leak protection cover 27, and the front side and the rear side of direction leak protection cover 27 are sliding fit with the casing top front side and the rear side of U type screw conveyer 2 respectively. The sewage drain pipe 25 is in a cantilever state, and the guide leakage-proof cover 27 can improve the stability of the sewage drain pipe 25 and prevent sludge from being leaked to the outside.
U type screw conveyer 2, chain slat conveyor 3, gear motor 6, bridge crane 10, dive stirring silt remover 11, double-hook electric block 16 and automatic grabbing roof beam 18 all are conventional devices, can purchase on the market, and concrete structure and theory of operation are no longer repeated.
The step (2) is specifically as follows: starting the speed reducing motor 6, the U-shaped screw conveyor 2 and the chain plate type conveyor 3, driving the rotating shaft 26 at the upper side by the speed reducing motor 6, thereby driving the two chain wheels 21 on the upper side to rotate, driving the chain net 5 to rotate on the frame 4 as a whole, intercepting floating objects (algae) in the water at the water inlet of the pump station forebay 19 by the chain net 5, attaching the floating objects on the outer surface of the chain net 5, driving the attached floating objects to move together by the chain net 5, when the floater moves to the upper side of the frame 4 and is located below the spray pipe 7, each nozzle 8 sprays water downwards to wash the floater attached to the chain net 5, the floater falls onto the chain slat conveyor 3, the chain slat conveyor 3 conveys the floater and the water for washing to the hopper 14, the floater and the water enter the shell of the U-shaped screw conveyor 2 through the hopper 14, and the U-shaped screw conveyor 2 pushes the floater and the water to the sewage treatment tank 23 leftwards at the same time.
The step (3) is specifically as follows: the submersible stirring silt remover 11 is hung at the hoisting end of the crane of the bridge crane 10, the submersible stirring silt remover 11 is sunk to the bottom of the pump station forebay 19, the submersible stirring silt remover 11 is started, the submersible stirring silt remover 11 sucks and removes silt deposited at the bottom of the pump station forebay 19, the silt and water are sucked together and output to the U-shaped groove 12 through the vertical telescopic pipe 13, the silt and water flow forwards along the U-shaped groove 12 and are discharged into the shell of the U-shaped spiral conveyor 2 through the drain pipe 25 due to the inclined arrangement of the U-shaped groove 12 in the front-low and back-high directions, the U-shaped spiral conveyor 2 simultaneously pushes the silt and water to the sewage treatment pool 23 leftwards, wherein the crane of the bridge crane 10 can move forwards and backwards along the bridge of the bridge crane 10, and the bridge crane of the bridge crane 10 can move leftwards and rightwards along the two rails 9 arranged at the front and back side edges of the upper part of the pump station forebay 19, thus, the bridge crane 10 can drive the submersible stirring silt remover 11 to carry out full-coverage desilting work on the pump station forebay 19.
The step (4) is specifically as follows: each trash rack 17 is respectively arranged between concrete walls on two sides of each sluice gate 20 on the rear side of a pump station forebay 19 in a sliding mode and is positioned on the front side of each conveying pipeline 22, so that each trash rack 17 can intercept larger floating objects in water at each sluice gate 20 on the rear side of the pump station forebay 19, when more floating objects are attached to a certain trash rack 17, the water inflow of the sluice gate 20 is influenced, the double-hook electric hoist 16 is controlled to move to the position above the trash rack 17 along the I-shaped steel rail 24, the double-hook electric hoist 16 is used for moving the automatic grabbing beam 18 downwards to the top of the trash rack 17, the automatic grabbing beam 18 grabs the top of the trash rack 17, then the double-hook electric hoist 16 is controlled for lifting the automatic grabbing beam 18, so that the trash rack 17 is lifted out of the corresponding sluice gate 20, and then the double-hook electric hoist 16 drives the trash rack 17 to move leftwards to the left end of the I-shaped steel rail 24, the trash rack 17 is located on the left side of the outside of a pump station forebay 19, workers clean the trash rack 17, after cleaning is completed, the double-hook electric block 16 drives the trash rack 17 to move to the position above a corresponding gate 20, and finally the trash rack 17 is landed, correspondingly and slidably mounted at the corresponding gate 20, so that floating objects are continuously intercepted.
The invention is designed based on the structural characteristics of the pump station forebay 19 and is divided into three parts: firstly, a rotary chain net 5 dirt cleaner 1 is arranged at a water inlet of a pump station forebay 19, the rotary chain net 5 dirt cleaner 1 can collect and clean floating objects (algae) in water at the water inlet of the pump station forebay 19, the floating objects are conveyed to a funnel 14 through a chain plate type conveyor 3 and enter a shell of a U-shaped spiral conveyor 2 through the funnel 14, and the U-shaped spiral conveyor 2 pushes the floating objects into a dirt treatment pool 23, so that water entering the pump station forebay 19 from a water diversion port of a channel is preliminarily blocked and floated at the water inlet; then, a crane of the bridge crane 10 hoists a submersible stirring silt remover 11, so that the submersible stirring silt remover 11 can sink to the bottom of the pump station forebay 19, the submersible stirring silt remover 11 sucks and cleans silt deposited at the bottom of the pump station forebay 19, wherein the silt and water are sucked together and output to the U-shaped groove 12 through the vertical telescopic pipe 13, the silt and the water flow forwards along the U-shaped groove 12 and are discharged into the shell of the U-shaped screw conveyor 2 through the drain pipe 25 due to the inclined arrangement of the U-shaped groove 12 with the lower front part and the higher rear part, the U-shaped screw conveyor 2 pushes the silt and the water to the sewage treatment tank 23 leftwards at the same time, wherein the crane of the bridge crane 10 can move forwards and backwards along the bridge of the bridge crane 10, and the bridge crane 10 can move leftwards and rightwards along two rails 9 arranged at the front and rear side edges of the upper part of the pump station forebay 19, thus, the bridge crane 10 can drive the submersible stirring silt remover 11 to carry out full-coverage desilting work on the pump station forebay 19; finally, the trash rack 17 is respectively arranged between the concrete walls on the two sides of each sluice gate 20 on the rear side of the pump station forebay 19 in a sliding manner and is positioned on the front side of each conveying pipeline 22, so that each trash rack 17 can intercept larger floating objects in water at each sluice gate 20 on the rear side of the pump station forebay 19, when a certain trash rack 17 is provided with more floating objects, the water inlet of the sluice gate 20 is influenced, the automatic grabbing beam 18 can be moved downwards to the top of the trash rack 17 through the double-hook electric hoist 16, the automatic grabbing beam 18 grabs the top of the trash rack 17, then the double-hook electric hoist 16 is controlled to lift the automatic grabbing beam 18, so that the trash rack 17 is lifted out of the corresponding sluice gate 20, and then the double-hook electric hoist 16 drives the trash rack 17 to move leftwards to the left end of the I-shaped steel rail 24, so that the trash rack 17 is positioned on the left side of the outside of the pump station forebay 19, cleaning the trash rack 17 by the worker, driving the trash rack 17 to move to the position above the corresponding gate opening 20 by the electric hoist 16 with the double lifting hooks after the cleaning is finished, and finally, landing the trash rack 17 to be correspondingly and slidably mounted at the corresponding gate opening 20 so as to continuously intercept the floating objects; through the three parts of decontamination processes, the invention can ensure the quality of water in the pump station forebay 19, ensure the safety of water used in waterworks and ensure the normal operation of water delivery of each delivery pipeline 22.
The above embodiments are merely to illustrate rather than to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (4)
1. The comprehensive cleaning method for the front pool of the pump station is characterized in that: the method comprises the following steps:
(1) a rotary chain net trash remover is installed at a water inlet of a pump station forebay, a chain plate conveyor is installed below the left side of the rotary chain net trash remover, a U-shaped spiral conveyor is installed in front of the edge of the front side of the upper part of the pump station forebay, a movable dredging device is installed above the pump station forebay, and lifting trash holding devices are installed at gates on the rear side of the pump station forebay;
(2) collecting and cleaning floating objects in water at a water inlet of a front pool of the pump station through a rotary chain net trash remover, conveying the floating objects into a shell of a U-shaped spiral conveyor through a chain plate conveyor, and pushing the floating objects into a trash treatment pool through the U-shaped spiral conveyor;
(3) pumping and cleaning the sludge in the front pool of the pump station through the movable sludge cleaning device, discharging the sludge into a shell of a U-shaped screw conveyor, and pushing the sludge into a sewage treatment pool by the U-shaped screw conveyor;
(4) intercepting larger floating objects in water at each gate on the rear side of the front pool of the pump station through a lifting type trash blocking device;
the rotary type chain net sewage cleaning machine is obliquely arranged at a water inlet of a pump station forebay from left to right and covers the water inlet completely, the chain plate type conveyor horizontally stretches across and is fixedly arranged at the upper part of the pump station forebay along the front-back direction, the U-shaped spiral conveyor is arranged in front of the edge of the front side of the upper part of the pump station forebay along the left-right direction, the output end of the chain plate type conveyor is connected with the sewage inlet end of the U-shaped spiral conveyor, the movable type dredging device is arranged above the pump station forebay in a sliding manner along the left-right direction, the sludge suction end of the movable type dredging device is arranged below the water surface of the pump station forebay, the sludge discharge end of the movable type dredging device is connected with the sewage inlet end of the U-shaped spiral conveyor, the lifting type sewage blocking device is arranged at each gate at the rear side of the pump station forebay and is positioned at the front side of each conveying pipeline, and the sewage discharge end of the U-shaped spiral conveyor is introduced into a sewage treatment pool outside the pump station forebay;
the rotary chain-net trash remover comprises a frame, the water inlet of the pump station forebay is obliquely arranged at the water inlet of the pump station forebay, the water inlet is completely covered by the frame, the front side edge and the rear side edge of the frame are respectively and fixedly connected to concrete walls on the front side and the rear side of the pump station forebay, the upper left part of the frame is horizontally bent and positioned right above the chain plate conveyor, the upper left part and the lower right part of the frame are respectively and rotatably connected with a rotating shaft horizontally arranged along the front-rear direction, chain wheels are fixedly arranged at the front end and the rear end of each rotating shaft, the chain net is sleeved on the four chain wheels, the speed reduction motor is fixedly arranged on the front side of the upper left part of the frame, an output shaft of the speed reduction motor is coaxially connected with the front end of the rotating shaft on the upper side in a transmission manner, a spray pipe which is parallel to the rotating shaft and positioned on the inner side of the chain net is fixedly arranged on the upper left part of the frame, and a plurality of nozzles which spray downwards are arranged at intervals along the front-rear direction on the lower side of the spray pipe;
the movable dredging device comprises two rails, a bridge crane, a submersible stirring dredging machine, a U-shaped groove and vertical telescopic pipes, the two rails are arranged in front and at the back side of the front pool of a pump station side by side respectively and are arranged on the front side and the back side of the upper part of the front pool of the pump station along the left-right direction, the bridge crane stretches across the upper part of the front pool of the pump station along the front-back direction, the front side and the back side of a bridge frame of the bridge crane are respectively arranged on the two rails in a sliding mode, the submersible stirring dredging machine is vertically arranged, the top of the submersible stirring dredging machine is fixedly connected with the hoisting end of a crane of the bridge crane, the top of the U-shaped groove is open and is fixedly arranged on the upper surface of the bridge frame of the bridge crane along the front-back direction, the front side and the back side of the U-shaped groove are obliquely arranged, a sewage discharge pipe communicated with the inside of the U-shaped groove is fixedly arranged at the bottom of a front side plate of the U-shaped groove, the front side part of the sewage pipe is vertically bent downwards, and the lower end of the sewage pipe is connected at the top of an upper long opening of the U-shaped spiral conveyor in a sliding mode The machine shell is internally communicated, the vertical telescopic pipe is divided into three sections of pipes, an upper side pipe and a lower side pipe of the vertical telescopic pipe are both steel pipes, a middle pipe of the vertical telescopic pipe is an elastic telescopic pipe, the upper side pipe of the vertical telescopic pipe is fixedly connected to the crane shell of the bridge crane through a hoop, a lower end inlet of the lower side pipe of the vertical telescopic pipe is fixedly connected with a sludge outlet of the submersible stirring silt remover, an upper side part of the upper side pipe of the vertical telescopic pipe is horizontally bent leftwards and then bent downwards, and an upper end outlet of the upper side pipe of the vertical telescopic pipe is arranged right above the U-shaped groove downwards;
the right side of the top of the upper long opening of the U-shaped spiral conveyor is fixedly connected with a funnel which is open at the top and large at the top, the center outlet at the bottom of the funnel is in up-and-down butt joint with the upper long opening of the U-shaped spiral conveyor, and the output end at the front side of the chain plate conveyor is in butt joint with the inlet at the top of the funnel;
the lifting type trash blocking device comprises a portal frame, a double-hook electric hoist and a plurality of trash blocking gratings, wherein each trash blocking grating is arranged between concrete walls on two sides of each gate on the rear side of a pump station forebay in a sliding mode and located on the front side of each conveying pipeline;
the lower extreme of blow off pipe is connected with the direction leak protection cover of channel-section steel type, and bottom, left side and the right side of direction leak protection cover are all uncovered, and the round hole that corresponds the intercommunication with the lower port of blow off pipe is seted up to direction leak protection cover, and the front side and the rear side of direction leak protection cover are sliding fit with U type screw conveyer's casing top front side and rear side respectively.
2. The pump station forebay comprehensive decontamination method according to claim 1, characterized in that: the step (2) is specifically as follows: start gear motor, U type screw conveyer and chain slat conveyor, the pivot of gear motor drive upside, and then drive two sprocket rotations of upside, thereby it is whole rotatory on the frame to drive the chain net, the floater of the aquatic of pump station forebay mouth of entry is intercepted to the chain net, the floater just can be attached to the surface of chain net, the chain net drives adnexed floater and removes together, when the floater removes to the upside portion of frame and is located the spray tube below, each nozzle is sprayed water downwards and will be attached to the floater on the chain net and wash, the floater just can drop to the chain slat conveyor on, the chain slat conveyor carries the floater and the water of washing usefulness to funnel department together, get into U type screw conveyer's casing through the hourglass fill, U type screw conveyer just pushes away floater and water simultaneously left to the filth processing pond.
3. The pump station forebay comprehensive decontamination method according to claim 2, characterized in that: the step (3) is specifically as follows: the lifting end of the crane of the bridge crane is hung with the submersible stirring silt remover, the submersible stirring silt remover is sunk to the bottom of the pump station forebay, the submersible stirring silt remover is started, the submersible stirring silt remover sucks and cleans silt deposited at the bottom of the pump station forebay, wherein, the sludge and the water are sucked together and output to the U-shaped groove through the vertical extension tube, the sludge and the water flow forwards along the U-shaped groove and are discharged into the shell of the U-shaped screw conveyor through the sewage discharge pipe due to the inclined arrangement of the U-shaped groove with the lower front part and the higher rear part, the U-shaped screw conveyor simultaneously pushes the sludge and the water to the left in the sewage treatment tank, wherein the crane of the bridge crane can move back and forth along the bridge of the bridge crane, and the bridge of the bridge crane can move left and right along two tracks arranged at the front and rear side edges of the upper part of the pump station forebay, therefore, the bridge crane can drive the submersible stirring silt remover to carry out full-coverage desilting work on the pump station forebay.
4. The pump station forebay comprehensive decontamination method according to claim 3, characterized in that: the step (4) is specifically as follows: the method comprises the steps of arranging the trash racks between concrete walls on two sides of each sluice gate on the rear side of a pump station forebay in a sliding mode and on the front side of each conveying pipeline, enabling the trash racks to intercept large floating objects in water at each sluice gate on the rear side of the pump station forebay, when a large number of floating objects are attached to one trash rack, affecting water inlet of the sluice gate, controlling a double-hook electric hoist to move to the position above the trash rack along an I-shaped steel rail, moving an automatic grabbing beam to the top of the trash rack through the double-hook electric hoist, enabling the automatic grabbing beam to grab the top of the trash rack, controlling the double-hook electric hoist to lift the automatic grabbing beam, hanging the trash rack out of the corresponding sluice gate, driving the trash rack to move to the left end of the I-shaped steel rail through the double-hook electric hoist, enabling the trash rack to be located on the left side of the outside of the pump station forebay, the staff clears up this trash rack, and after the clearance was accomplished, double hook electric block drove this trash rack and moves to corresponding gate top again, and it corresponds slidable mounting in corresponding gate department to descend this trash rack at last to continue to intercept the floater.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114687409B (en) * | 2021-04-14 | 2024-04-05 | 水脉智汇(北京)科技有限公司 | Floating pump station |
| CN113338244A (en) * | 2021-06-06 | 2021-09-03 | 长江水利委员会长江科学院 | Hydraulic collection and floating object net grid system at water inlet of hydraulic engineering |
| CN113605519A (en) * | 2021-07-01 | 2021-11-05 | 王和魏 | Grid pretreatment method of integrated pump station |
| CN114197577B (en) * | 2021-11-23 | 2023-10-03 | 黄河机械有限责任公司 | Non-stop water dredging method for water supply pump station |
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| CN106930257B (en) * | 2017-04-13 | 2018-09-21 | 河北工程大学 | Dirty decontamination apparatus is blocked in a kind of automation of lifting type water delivery open channel |
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| EP0073365A1 (en) * | 1981-08-29 | 1983-03-09 | Fried. Krupp Gesellschaft mit beschränkter Haftung | Vessel with devices for the suction and collecting of impurities floating on a water surface |
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