RU2686890C1 - Inhomogeneous liquid systems thin-layer separation unit - Google Patents

Abstract

FIELD: technological processes.

SUBSTANCE: invention relates to the thin-layer lamellar modular devices with a large working surface, and can be used in sewage treatment plants for the municipal, industrial and commercial waste separation by the gravitational sedimentation. Inhomogeneous liquid systems thin-layer separation unit consists of non-metallic self-supporting thin-layer lamellar modules, including the oblique module, containing rectangular equally long sedimentation plates with holes, spacing bushings, which set the plates angle of inclination and the regular pitch between the plates, and the frame comprising arranged parallel to each other longitudinal tubular beams for the spacing bushings and sedimentation plates joint stringing thereon. Two modules are made vertical, arranged as outermost ones on the said middle inclined module both sides, and joined thereto by the frames tubular beams with the single angle of inclination and regular pitch between the plates preservation. All modules frames are provided with rectangular, with length of not less than the corrugated sedimentation plates length, transverse hollow supporting beams with holes for the rods and grooves for fixing rods intended for the requiring increased rigidity points. Vertical modules frames are equipped with made in their bases posts with blind holes for the beams, and with slots for sedimentation plates. At the ends, the spacing bushings have oblique cuts at the sedimentation plates intended inclination angle. In the inclined module the corrugated sedimentation plates with holes at the top and bottom for tubular rods and fixing rods have the same height, and in the vertical modules is variable one, varying in the posts height from the minimum at the posts bases to the maximum one. At the posts tops the corrugated sedimentation plates with spacing bushings and support beams in the inclined module are strung from above on the upper and from below on the lower beams, and fixed in the support beams and rods aligned holes with locking rods. In vertical modules, by one side the sedimentation plates are inserted into the posts grooves, where they are fixed together with rods by inserted into the posts blind holes fixing rods, and on the other side together with the spacing bushings and support beams they are strung on rods and fixed similarly to the inclined module plates.

EFFECT: increase in the unit performance due to the cross scheme of operation, increase in the operation reliability due to the whole structure manufacturing from fiberglass, installation and dismantling simplification, increase in the maintenance-free service life.

5 cl, 8 dwg

Description

The invention relates to an open thin-layer modular devices with a large working surface, designed for the continuous separation of suspended solids from liquid by gravity sedimentation, and can be used in sewage treatment plants of urban, industrial and commercial waste.

Open horizontal thin-layer lamellar modules (TSPM) of continuous action, or flow-through, are more often used for direct flow or counter-current flow of the purified water and sludge, determining the choice by the density of contaminants and the design possibilities. The most effective, carried out at higher flow rates in the modules, a more universal, but less often implemented cross-circuit with perpendicular movement of water and sediment, is found only in hull and frame structures.

TSPM with elements made of non-metallic materials with higher resistance to water and corrosion resistance are becoming increasingly popular.

Known TSPM for the separation of liquid heterogeneous systems for wastewater treatment, including separation plates with longitudinal ribs, made of polyethylene, placed in two blocks, and tubes, arranged in rows along the edges and in the middle of the span of the plates, pulled together by studs and crossbars, with In this case, a free suspension of the module with a given angle of inclination of the plates relative to the horizon is provided by eyebolts, and the overall rigidity of the structure is provided by a special cap (RF patent 2171703, B01D 21/02, 10.08.2001).

Known TSPM suspended type, with a countercurrent input circuit of waste water and sediment output, ineffective, has low productivity, overloaded with metal elements.

Known TSPM with countercurrent movement of the working fluid flow and sediment flow, including inclined profile separation plates made of plastic or hardboard, placed in a removable frame, made in the form of an inclined cylinder, while the angle of inclination of the plates determines the angle of inclination of the axis of its cylindrical frame (RF 2104079 , B01D 21/02, 10.02.1998).

Known TSPM limited to the dimensions of its cylindrical frame and ineffective.

A block of thin-layer separation of inhomogeneous liquid systems is known, consisting of nonmetallic self-supporting TSPMs, including an inclined module, containing rectangular sedimentary plates with holes, distance bushings that define the angle of inclination of the plates and the regular spacing between the plates, and frames, including tubular bars for accommodating distance sleeves and sedimentary plates (RF 2508931, B01D 21/02, 04/27/2013).

The well-known open-type unit with a counter-current operation scheme consists of modules in which sedimentary plates, spacers and tubular bars are made of polypropylene. Its design is self-supporting as far as its reliability can be ensured by the said bearing elements from insufficiently strong thermoplastic polypropylene.

Known unit according to patent RU 2508931 is the closest to the claimed technical essence and selected as the closest analogue (prototype).

The technical problem to which the invention is directed, is to develop a block TSPM with a cross flow pattern of waste water and sediment capable of working with the minimum number of service personnel (1-2 people) to work out the entire guaranteed period without repair.

The problem is solved through the development of a collapsible fiberglass structure of the block, capable of maintaining performance both in operating mode and during overloads caused by a violation of the calculated flow rate of waste water.

The technical result, which can be obtained by using the invention, is to improve the performance and reliability of the unit, to simplify installation and dismantling and to increase maintenance-free life.

To solve this problem and achieve a technical result, a unit for thin-layer separation of inhomogeneous liquid systems consisting of non-metallic self-supporting TSPMs, including an inclined module, each containing rectangular equally-long sedimentary plates with holes, distance bushings that define the inclination of the plates and the regular spacing between the plates, and frame, including longitudinal, parallel to each other, tubular rods for joint stringing on them remote sleeves and siege According to the invention, its two modules are made vertical, arranged as extreme on both sides of the above-mentioned average inclined module and joined to it by tubular bars of their frameworks with preservation of a uniform angle of inclination and regular pitch between the plates, the frames of all modules are provided with a rectangular length not less than the length of corrugated sedimentary plates, transverse hollow support beams with holes for rods and grooves for fixing rods intended for places requiring an increased gesture bones, frames of vertical modules are equipped with racks with blind holes for rods made in their bases, and with grooves for sedimentary plates made in them taking into account the angle of inclination of the said plates and spaced racks with the above-mentioned regular pitch relative to each other, distance bushings with regular pitch lengths have oblique cuts at the ends at an angle of supposed slope of sedimentary plates, corrugated sedimentary plates with holes above and below the tubular bars and fixing rods to them in an inclined module they are the same height, and in vertical modules there is a variable, varying in height of the pillars from the minimum at the bases of the pillars to the maximum, equal height of the plates of the inclined module, at the tops of the pillars mentioned corrugated sedimentary plates with spacers in the inclined module are strung from above on the top and on the bottom of the lower rods and fixed in the aligned holes of the support beams and rods with locking rods, in vertical modules sedimentary plates are one side inserted into the pa The racks, where they are fixed together with rods inserted into the blind holes of the racks, with fixing rods, and the other side with remote sleeves and support beams are strung on the rods and fixed like plates of an inclined module, vertical modules are installed relative to the inclined, ensuring a uniform inclined position of their plates with plates of an inclined module and docked with it by rods so that the rods of one vertical module are docked with the upper ones and the other with the lower rods inclined o module, with corrugated sedimentary plates, spacers, support beams, rods, racks and fixing rods are made of fiberglass.

In particular cases of the invention, the angle of inclination of the sedimentary plates lies in the range of angles of 30-60 °, and the regular spacing between the plates is 60 mm; sedimentary plates are made with vertical corrugations; corrugated sedimentary plates, rectangular support beams and racks are made of fiberglass pultrusion profile; the fixing rods are made in the form of fiberglass rods.

Distinctive features of the prototype of the declared block are as follows:

a) signs that provide technical result in all cases:

- the execution of two of its modules vertical, located as an extreme modules on both sides of the average inclined module and the tubular bars of their frames joined with it, while maintaining the same angle of inclination and regular pitch between the plates,

- the supply of frameworks of all modules is rectangular, not less than the length of corrugated sedimentary plates, transverse hollow support beams with holes for rods and grooves for fixing rods intended for places requiring increased rigidity,

- supplying the cages of vertical modules with poles with blind holes for rods made in their bases, and with slots for sedimentary plates made in them taking into account the angle of inclination of the said plates and arranged in the height of racks with the above-mentioned regular pitch relative to each other,

- the presence of oblique cuts at an angle of the intended inclination of the sedimentary plates at the ends of spacer sleeves having a regular step length,

- the location of the holes under the tubular rod and the locking rods above and below on the corrugated sedimentary plates,

- the same height of the corrugated sedimentary plates in the inclined module,

- variable height of sedimentary plates in vertical modules, varying in height of racks from the minimum at the bases of the racks to the maximum, equal height of the plates of the inclined module, at the tops of the racks,

- connection of corrugated sedimentary plates with spaced sleeves and support beams in an inclined module by stringing them on top of the top and bottom on the lower rods of the module and fixing the support beams and rods in fixing holes,

- installation of sedimentary plates in vertical modules with one side in the slots of racks with fixing fixing rods together with rods inserted into blind holes of racks, and the other side - on rods by stringing them together with distance bushings and support beams and fixing like plates of an inclined module,

- installation of vertical modules relative to the inclined with ensuring a uniform inclined position of their plates with the plates of the inclined module and docking with it rods so that the rods of one vertical module are coupled with the upper, and the other with the lower rods of the inclined module,

- performance of corrugated sedimentary plates, spacer sleeves, support beams, tubular rods, struts and fixing rods made of fiberglass;

b) features that provide technical results in particular cases:

- the angle of inclination of the sedimentary plates lies in the range of angles of 30-60 °, and the regular step between the plates is 60 mm,

- implementation of sedimentary plates with vertical corrugations,

- performance of corrugated sedimentary plates, rectangular support beams and racks of fiberglass pultrusion profile,

- implementation of the fixing rods in the form of fiberglass rods.

In the declared collapsible unit, the presence of vertical modules, coupled with an inclined module, allowed the design of the unit to be made stable, requiring no additional frame or housing. In the proposed construction, the working space filled with large-sized sedimentary plates (approximately 5 m ² ) is used to the maximum. The cages of all modules are made with the possibility of rigid fixation of sedimentary plates without deforming their surfaces, which made it possible to achieve optimal conditions for an efficient sedimentation process and improve the performance of the block. The block is made of durable, durable, non-corroding, lightweight fiberglass. The design of the unit is reliable and cost-effective, as it does not require repair during the entire service life, it is easy to install and dismantle and convenient to maintain.

The claimed block is designed as an element for cleaning surface runoff from dispersed impurities by distributing a low-pressure laminar flow of purified water throughout the block. The supporting structure of the unit ensures its operation in a cross-sectional pattern.

The invention is illustrated by drawings, where in FIG. 1 shows the claimed block, side view; in fig. 2 - vertical module, side view, types A, B, C; in fig. 3 - oblique module, side view, types A, B, C; in fig. 4 shows the plates: a) an inclined module; b) vertical module; in fig. 5 shows a spacer sleeve, types: a) front, b) side; in fig. 6 - tubular rod; in fig. 7 - support beam; in fig. 8 - stand, types: a) front, b) side.

The thin-layer separation unit for inhomogeneous liquid systems contains devices for liquid inlet and outlet and sediment removal (not shown), an average inclined module 1 and two extreme vertical modules 2 and 3, one on both sides of module 1 (Fig. 1). Vertical modules 2 and 3 have the same design, and further in the description of the design

and the assembly of the vertical module in the drawings used a reference to module 2 (Fig. 2).

Modules 1-3 contain equal-length, rectangular corrugated sedimentary plates 4 and 5, while module 1 (Fig. 3) contains plates 4 of constant height, and modules 2 and 3 (Fig. 2) - plates 5, the height of which varies from the calculated minimum from plate to plate with a regular step to achieve the height of the plates 4 module 1.

Each of the modules 1-3 contains spacer sleeves 6 and the frame, including longitudinal tubular rods 7, transverse support beams 8 and locking rods 9, and the frames of modules 2 and 3 additionally contain the rack 10.

Sedimentary plates 4 and 5 are made with vertical corrugations 11 (Fig. 4). The plates 4 of the module 1 at the top and bottom along their length have through holes 12 for the rods 7. Plates 5 for the vertical modules 2 and 3 on one side have through holes 13 for the fixing rods 9, on the other hand, holes 14 for the rods 7, similar to the holes for the 12 plates four.

Remote bushings 6 set the plates 4 and 5, the angle and the regular pitch between them. The sleeves 6 are made in the form of tubes with an inner diameter corresponding to the outer diameter of the rods 7, and with the ends equally cut at the angle of inclination of the sedimentary plates set by them (Fig. 5).

Tubular rods 7 are designed to hold the edges of the plates 4 and 5. In each rod 7 there are through holes 15 for fixing rods 9 (Fig. 6).

The support beams 8 are designed to achieve the required increased rigidity of the module by intersecting them with the rods 7. Beams 8 have a rectangular cross section and length, not less than the length of the plates 4 and 5. Each beam 8 has through holes 16 for the rods 7 and longitudinal grooves 17 under the locking rod 9 (Fig. 7).

Racks 10 of a hollow rectangular section are designed to hold the upper edges of the plates 5 in a given inclined position, for which along each rack 10 with a regular pitch defined by the sleeves 6, inclined grooves 18 are made. At the bottom of each rack 9 there is a blind hole 19 under the rod 7 (Fig. 8 ).

The locking rods 9 are made in the form of rods.

All of the above elements of the modules are made of fiberglass, while the sedimentary plates 4 and 5, bushings 6, rods 7, support beams 8 and racks 10 are made of fiberglass pultruded profile, the fixing rods 9 are made in the form of fiberglass rods.

The number and size of the plates, the number of holes in them and, associated with them, the number of racks and rods are determined depending on the size of the cleaning unit and the volume of incoming wastewater.

The assembly of the inclined module 1 begins with the frame assembly, for which each of the rods 7, taken according to the number of holes 12 located at the top and bottom of the plate 4, is put on the support beam 8 and the connection is fixed by the rod 9, passing it through the aligned holes 15 and 16 of the rod 7 and the beams 8, respectively, while the lower connection is fixed with an offset relative to the upper connection by the length of the projection of the inclined plate 4. Then each sleeve 7 is put on the spacer sleeve 6, then put the plate 4 first on the top bars 7, then on the bottom ie, by passing them through its holes 12 from above and below. Next, the assembly is repeated, putting on and fixing on the rods 7 support beams 8, stringing the distance sleeves 6 and plates 4. Finish the assembly by installing and fixing the beams 8 after the end of the stringing of the last plate 4.

The assembly of the vertical module 2 begins with the frame assembly, for which the rods 7 are inserted into the blind holes 19 of the uprights 10, then on the rods 7 first put the sleeves 6 all the way into the struts 10, then the supporting beams 8 all the way into the sleeves 6, combining the holes 15 of the rods 7 with holes 16 of the beams 8, and fix the position of the locking rods 9, passed through the grooves 17 of the beams 8. Next, on the rod 7 string plate 5 of the smallest height, using its holes 14. The opposite side of the plate 5 is inserted into the inclined grooves 18 of the uprights 10, located at the grounds with Eye 9. After this, the plates 5 with increasing height are strung on the rods 7 in pairs with bushings and inserted into the slots 18 of the pillars 10. Before installing the last plate 5 with a height equal to the height of the plates of the inclined module, and also before installing the plates 5 in places requiring increased rigidity, on the rod 7 put on the support beams 8, as described above, and fix them with locking rods 9. After installing the last plate 5 fix the position of all plates 5 and rods 7 in racks 10 by passing the locking rods 9 through the holes 13 in the plates five.

The finished vertical modules 2 and 3 are joined to the inclined module 1 with a uniform inclined position of their plates 5 with the plates 4. To maintain the regularity of the pitch between the plates when coupling the modules on the rods 7 behind the last plates 4 and 5, projections are provided at half the regular pitch.

The operation of a thin-layer separation unit for inhomogeneous liquid systems is as follows:

Waste water after mechanical cleaning and before being supplied to the filters enters the chute of the sewage treatment plant with the open-type thin-layer separation unit installed in it. Water enters through distribution channels, made in the side wall of the gutter to reduce its speed to the normative, component 2-10 mm / s, and for uniform distribution across the width of the gutter. The water passes through the inclined plates 4 and 5. The sediment, touching the surface of the plates 4 and 5, slides down under the plates 4 and 5 into the bunker part of the trench, accumulates and is removed. The floating fraction concentrates on the surface of the water and is also removed.

The claimed unit is manufactured on winding, pultrusion and pressing equipment for the production of fiberglass products.

Claims (5)

1. A unit for thin-layer separation of inhomogeneous liquid systems consisting of non-metallic self-supporting thin-layer lamellar modules, including an inclined module, each containing rectangular ravnodlinnye sedimentary plates with holes, distance sleeves, defining the angle of inclination of the plates and the regular spacing between the plates, and the frame, including longitudinal tubular rods arranged parallel to each other for joint stringing of spacer sleeves and sedimentary plates on them, characterized in that two its module is made vertical, arranged as extreme on both sides of the above average oblique module and joined with it by tubular bars of their frameworks with preservation of a uniform angle of inclination and regular pitch between the plates, the frames of all modules are provided with a rectangular, not less than the length of the corrugated sedimentary plates, transverse hollow support beams with holes for rods and grooves for fixing rods intended for places requiring increased rigidity, frames of vertical modules; bzheny racks with blind holes for the rods, made in their bases, and with grooves for sedimentary plates, made in them, taking into account the angle of inclination of the above-mentioned plates and located along the height of the racks with the above regular pitch relative to each other, distance bushings with a regular pitch length have the ends are oblique sections at the angle of the intended inclination of the sedimentary plates, corrugated sedimentary plates with openings above and below the tubular bars and fixing rods have the same height in the inclined module y, and in vertical modules, the variable, varying in height of racks from the minimum at the bases of the racks to the maximum, equal height of the plates of the inclined module, at the tops of the racks, mentioned corrugated sedimentary plates with distance bushings and support beams in the inclined module are strung from top to top and bottom to the lower rods and fixed in the aligned holes of the support beams and rods with locking rods, in vertical modules sedimentary plates with one side are inserted into the slots of the racks, where they are fixed together with the pieces angles inserted into the blind holes of the racks, fixing rods, and the other side with distance sleeves and support beams are strung on the rods and fixed similarly to the plates of an inclined module, the vertical modules are installed relatively inclined with a uniform inclined position of the plates with the plates of the inclined module and docked with with the rods so that the rods of one vertical module are docked with the upper, and the other with the lower rods of the inclined module, with corrugated sediment Plates, spacers, support beams, rods, struts and fixing rods are made of fiberglass. 2. The unit according to claim 1, characterized in that the angle of inclination of the sedimentary plates lies in the range of angles of 30-60 °, and the regular spacing between the plates is 60 mm. 3. The unit according to claim 1, characterized in that the sedimentary plates are made with vertical corrugations. 4. The unit according to claim 1, characterized in that the corrugated sedimentary plates, support beams and racks are made of fiberglass pultrusion profile. 5. The block under item 1, characterized in that the locking rods are made in the form of fiberglass rods.

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