Water intake filter

Abstract

The filter comprises a case and a removing cap mechanically connected by vertical uprights as well as cylindrical filtering net placed between the case and the cap. The case is made as a truncated perforated hollow cone, and a non square full slot along its big bass periphery. The slot forms a continuous contour to place the filtering net end. The uprights are attached to the cap by a set of screws. This version makes the filter durable, reliable and repairable.

Claims

1. A filter, comprising: a case, a removable cap connected by means of uprights, and a cylindrical filtering net placed between the case and the cap; wherein the case is made as a truncated perforated hollow cone, wherein along a base periphery of the cone a non square full slot for placing an end of the filtering net is made; wherein the uprights have butt mounting holes for inserting one or more threading elements; wherein the cap is made as an in-line connecting pipe with an outlet port; and wherein the uprights are connected to the cap via the mounting holes.

2. The filter according to claim 1, wherein the case and the cap comprise plastic and the net comprises steel.

3. The filter according to claim 1, wherein the hollow case cone is divided into four sectors, each sector being perforated by round holes, the perforated sectors being connected by a webbing.

4. The filter according to claim 3, wherein the uprights are made together with the webbing as one piece.

5. The filter according to claim 3, wherein the uprights are made together with a bow-shaped wall for connecting ends of the slot.

6. The filter according to claim 1, wherein the butt mounting holes are blind holes.

Description

SHORT DESCRIPTION OF DRAWINGS

(1) In FIG. 1 the installation diagram of suction line water intake filter of superficial pump or automatic pump station Djambo is shown, in

(2) FIG. 2filter ready-assembled, in

(3) FIG. 3filter according to FIG. 1 with the removed and displaced cap. In

(4) FIG. 4view of the cone of the filter case from the inside, in

(5) FIG. 5the A-A section of FIG. 4, in

(6) FIG. 6lateral view of the case, in

(7) FIG. 7the filter cap, in

(8) FIG. 8the A-A section of FIG. 8, in

(9) FIG. 9the filter net.

(10) The filler contains mechanically connected case 1 and removing cap 2 made with the outlet central passage 3 to supply water into the central line 4 for pump absorption (not shown), cylindrical filtering net 5, placed between case 1 and cap 2. The ease 1 is made from, the side of suction as a truncated perforated hollow cone 6 along whose big base periphery a non square full slot 7 for a net end 5 is made, and with short bow-shaped wall S with two parallel rectilinear slots 9 from the internal part for axial net ends 5 and with the uprights 10, that have end mounting holes for thread elements 11. The cap 3 is made as an in-line connecting pipe (not shown) with a reach-through, cylindrical hole 3 and a flange 12 placed around this connecting pipe. Along the periphery of the latter a non square full slot 14 for placing another net end 5 is made, with passage openings 15 for placing threading elements (screws) 11 into the holes of uprights 10 of the case 1. The slots 7,9,14 form the continuous contour to place net ends 5 along the entire perimeter.

(11) Case 1 and cap 2 are made of plastic and net 5 is made of steel in section, rectangular, in spread state.

(12) The hollow cone 6 of case 1 is shown divided by webbing 16 into four sectors perforated by round holes.

(13) The uprights 10 are made together with webbing 16.

(14) One of the uprights 10 can be performed together with bow-shaped wall 8 situated where slot 7 ceased.

(15) Mounting holes in uprights 10 of case 1 for threading elements 11 are made as blind ones.

(16) In the filter exit section back pressure valve 18 is installed to supply liquid for pump absorption (not shown) into main line 4.

DETAILED DESCRIPTION OF THE INVENTION

Preferred Embodiment

(17) The intake filter is operated as follows:

(18) Into the slots 7,9,14 net ends 5 are placed and through the holes 15 threading elements 11 are screwed into the holes of uprights 10 of case 1. This ensures the filter assembling and net 5 cylindrical form fixation.

(19) By means of cap 2 connecting pipe the filter is linked op with back pressure valve 18 (port size1 inch) of absorbing main line 4 of superficial pump or the automatic pump station Djambo. The filter and back pressure valve 18 are situated below the level (mirror) 17 of water.

(20) During the pump performance the liquid is absorbed trough perforation holes of cone 6 and net holes 5. The conical shape (cone 6) of case 1 inferior part allows to use as much as possible the suction area even if the back pressure valve 18 with the net was placed to the well bottom during the unskilled main line assembling.

(21) The eduction net 5 area of the filter is many times bigger then the classical construction. That allows the pump to pump water adequately even in case of partial rose 5 blockage without losing its characteristics and submitting the pump's engine to overwork.

(22) In case of blockage the filter is washed through properly. For this purpose screws 11 are screwed quickly from uprights 10, cap 2 and case 1 are separated and net 5 is taken manually to be washed through.

(23) As the filtered net 5 is fixed dismantled on four screws 11 (instead of classical insertion) this allows to disassemble the filter and to clean (or substitute) it which increases the equipment usage period and improves reparability.

(24) The referred features make the said simple construction of the filter more reliable, lasting and repairable.

INDUSTRIAL APPLICATIONS

(25) The present invention is embodied with multipurpose equipment extensively employed by the industry.