CN201216895Y

CN201216895Y - Filter for canal

Info

Publication number: CN201216895Y
Application number: CNU2008200573840U
Authority: CN
Inventors: 刘勇
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd; Baosteel Group Corp
Priority date: 2008-04-17
Filing date: 2008-04-17
Publication date: 2009-04-08
Anticipated expiration: 2018-04-17

Abstract

The utility model discloses a filter device for a canal, comprising two sheets of filter nets which are connected with each other through a lever piece and can be arranged alternately in the canal in sequence; two position adjusting devices are respectively connected with two filter nets through a lever piece. The filter device can have the effects of intercepting and removing the floating objects (such as leaves, paper boxes, plastic bags and sundries) in various canal water distribution systems and can effectively improve the water quality of the water distribution systems. The automatic non-power switching of the filter nets is realized according to the water power principle and the sewage interception capacity; the man power and electric operations are avoided. The filter device is applicable to industrial mass manufacturing and production.

Description

The irrigation canals and ditches filter

Technical field

The utility model relates to a kind of sewage filter device.

Background technology

In industrial and mining enterprises such as metallurgy, chemical industry and water supply and drainage field, town and country, all relate to the water supply and drainage open channel, tangible advantage such as maintaining that open channel transmission ﹠ distribution glassware for drinking water has that cost is low, operating cost is low (utilizing gravity current) is low, easily there are the various things that wave to fall into water channel, the shortcoming of polluted water in the transmission ﹠ distribution water process but also have.For overcoming this shortcoming, practice tends to be provided with screen pack in irrigation canals and ditches, in order to the drift (leaf, carton, plastics paper bag etc.) in the interception irrigation canals and ditches, the screen pack of these interception drifts is often very simple and crude, simple and easy square net of general making, a type framework is set, hangs the electric and manual cucurbit, regularly the labor cleaning.Though various filters, mechanical grille are arranged both at home and abroad, the drift special use and the motorless screen pack that are fit in the irrigation canals and ditches volley current had not seen that report was arranged.。This patent product is fit to irrigation canals and ditches, and in order to interception solid drift, it is low to have cost of manufacture, and interception efficient height need not power, easy operating, characteristics such as maintaining is convenient.

By document, data check, general irrigation canals and ditches catching rubbish is divided into two big classes, one class is and simple filtering net (Fig. 1), wherein 4 is irrigation canals and ditches, adopt single track filter screen 3, a door type frame 2 is set, an electronic or bottle gouard moved by hands 1 is set on door type frame 2, regularly, decide people, fixed-point operation, really point is apparent for it, filter process is unreliable, and the cleaning rubbish period, rubbish can pass through, rubbish can be expired screen pack for a long time and be passed through, labour intensity is big, and the Operation and Maintenance workload is big, and electric block is needed power supply; Another kind of screen pack is a mechanical grille: mechanical grille is a kind of mechanical device, primary structure is made up of one group of grizzly bar that is parallel to each other (as burglary-resisting window), be provided with rake between grizzly bar, rely on rake reciprocating machine motion from bottom to top that the rubbish of rake interception is removed, the shortcoming of mechanical grille is also apparent, because it is very little that grizzly bar can not be done, so can only remove big rubbish, can't remove little rubbish such as leaf, plastics paper bags, and the cost height, the Operation and Maintenance workload is big, the operating cost height.

Summary of the invention

The purpose of this utility model provides a kind of irrigation canals and ditches filter, according to the waterpower principle, how much block dirty amount, can realize the unpowered automatic switchover of screen pack, need not manpower and electric power operation, can play the effect of the drift (foreign material such as leaf, carton, plastics paper bag) in interception, the removing irrigation canals and ditches to various irrigation canals and ditches transmission ﹠ distribution water systems, effectively improve the water quality of transmission ﹠ distribution water system.

The purpose of this utility model is achieved in that a kind of irrigation canals and ditches filter, comprises two screen packs, and both connect by a lever piece, and alternately front and back are placed in the irrigation canals and ditches; Two position regulators are connected by a lever piece with two screen packs respectively.

Preferably, described lever piece is the fixed pulley group.

Preferably, also comprise a framework, the fixed pulley in the fixed pulley group is installed in frame roof, two screen packs are hung in the below of fixed pulley by a rope, a receipts water pipe is equipped with on screen pack top, receives on the water wall and has some holes, receives water pipe and is connected with position regulator.

Preferably, described position regulator comprises a water collection device, and a cock is equipped with in its bottom, and two fixed pulleys that water collection device is walked around in the fixed pulley group by a rope are connected with screen pack; Water collection device passes through a soft pipe connection with the receipts water pipe.

Preferably, be the L type bottom the described screen pack.

Preferably, a little fixed pulley respectively is equipped with in described fixed pulley both sides.

The utility model is owing to adopted above technical scheme, make it compared with prior art, have the following advantages and good effect: adopt the special-purpose unpowered filter of irrigation canals and ditches, can realize effective removal of irrigation canals and ditches transmission ﹠ distribution water system solid drift, improve the water quality of transmission ﹠ distribution water system, alleviated the load of time road water treatment technology greatly.

Need not manpower and electric power operation, maintenance workload is little, has reduced the filtration cost.

This apparatus structure is simple, can be used as approved product, can industrial mass make, produce.

Description of drawings

Fig. 1 is the filter schematic diagram of prior art;

Fig. 2 is a filter overall schematic of the present utility model;

Fig. 3 is the screen pack part left view of Fig. 2;

Fig. 4 is the vertical view of Fig. 2.

The specific embodiment

As Fig. 2, shown in 3, present embodiment comprises a structural framing 2, is placed in the irrigation canals and ditches.One fixed pulley 1 is installed in framework 2 tops, and a little fixed pulley 10 respectively is equipped with in fixed pulley 1 both sides, is used for support cable.

Also comprise two pass screen pack 3, be placed on the both sides of framework 2.A receipts water pipe 4 is equipped with on screen pack 3 tops, receives on water pipe 4 walls and has some holes, and when water level rose to receipts water pipe 4 positions, current can slowly flow into from the hole; Screen pack 3 is walked around fixed pulley 1 by rope and is interconnected, and by the variation of self gravitation, realizes alternately lifting, tackles various drifts.As shown in Figure 4, L type (not shown) is made in the bottom of screen pack 3, is used to collect the rubbish that falls down.

As Fig. 2, shown in 3, also comprise the two positions adjusting device, position regulator comprises a water collection device 6, and a cock 7 is equipped with in its bottom, and the water in the water collection device 6 can slowly flow out through cock 7.By adjusting the aperture of cock 7, the time that control water collection device 6 is filled water, the control of realization time.Water collection device 6 is contained in the active well 8.Water collection device 6 is walked around two fixed pulleys 9 by rope and is connected with screen pack 3; Water collection device 6 is communicated with by a flexible pipe 5 with receipts water pipe 4.Along with increasing of catching rubbish in the filter process, water level can be raised (arrow is depicted as water (flow) direction).When water level is lifted to when receiving water pipe 4 and receiving water levels and put, receives water pipe 4 and begin to receive water and water is introduced water collection device 6 in the active well 8 by connecting flexible pipe 5.

The workflow of present embodiment is as follows:

(1), according to irrigation canals and ditches size and the height of water level of implementing the place, determine the structural framing size, framework can be used steel construction and xoncrete structure.Adopt the two pass screen pack, alternation, various drifts pass through when preventing to clean screen pack.

(2), when screen pack is started working, not rubbish on the screen pack, online water level is identical with the irrigation canals and ditches water level, and along with the passing of filtration time, rubbish progressively increases on the screen pack, and it is big that resistance begins to become, the water level rising.When water level is elevated to the receipts water pipe, receives water pipe and begin water inlet and flow to water collection device by connecting flexible pipe.

(3), after the water collection device water inlet, by the drain cock part water that pours off, the water collection device water level rises slowly.

(4), the screen pack water level continue to rise, and receives water pipe and begins a large amount of water inlets, the water collection device water level begins progressively to rise, when rising to a certain degree, when its weight was enough to promote filter screen, filter screen rose, another fast filter screen then relies on own wt to descend, and arrives the operating position and starts working.

(5), regulate the drain cock aperture on the water collection device, can control the water collection device full water time.

(6), after screen pack rises, receive water pipe and stop to receive water, the water in the water collection device flows to end by cock, and is stand-by as next one circulation.

(7), the rubbish tackled on the screen pack, remove by the personnel that patrol and examine are regularly artificial.

Be noted that above enumerate only for a specific embodiment of the present utility model, obviously the utility model is not limited to above embodiment, and many similar variations are arranged thereupon.If those skilled in the art all should belong to protection domain of the present utility model from all distortion that the disclosed content of the utility model directly derives or associates.

Claims

1. irrigation canals and ditches filter is characterized in that: comprise two screen packs (3), both connect by a lever piece, are placed in the irrigation canals and ditches before and after alternately; Two position regulators are connected by a lever piece with two screen packs (3) respectively.

2. irrigation canals and ditches filter as claimed in claim 1 is characterized in that: described lever piece is the fixed pulley group.

3. irrigation canals and ditches filter as claimed in claim 2, it is characterized in that: also comprise a framework (2), fixed pulley in the fixed pulley group (1) is installed in framework (2) top, two screen packs (3) are hung in the below of fixed pulley (1) by a rope, a receipts water pipe (4) is equipped with on screen pack (3) top, receive on water pipe (4) wall and have some holes, receive water pipe and be connected with position regulator.

4. irrigation canals and ditches filter as claimed in claim 3, it is characterized in that: described position regulator comprises a water collection device (6), a cock (7) is equipped with in its bottom, and two fixed pulleys (9) that water collection device (6) is walked around in the fixed pulley group by a rope are connected with screen pack (3); Water collection device (6) is communicated with by a flexible pipe (5) with receipts water pipes (4).

5. irrigation canals and ditches filter as claimed in claim 4 is characterized in that: described screen pack (3) bottom is the L type.

6. irrigation canals and ditches filter as claimed in claim 5 is characterized in that: a little fixed pulley (10) respectively is equipped with in described fixed pulley (1) both sides.