CN109748390A

CN109748390A - A filter plate for denitrification filter and installation method thereof

Info

Publication number: CN109748390A
Application number: CN201910214266.9A
Authority: CN
Inventors: 钱俊; 丁传武; 蒋毕忠; 邹厚存; 姚荣海; 冯晨
Original assignee: JIANGSU YANGJIAN GROUP CO Ltd
Current assignee: JIANGSU YANGJIAN GROUP CO Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2019-05-14

Abstract

The present invention relates to the construction of prefabricated member in structures engineering construction, specifically a kind of filter plate and its installation method for denitrification filter pool belongs to architectural engineering construction technique field.Using the prefabricated filter plate of batch production, steel hoop is reserved in two sides, and filter beam reserves steel hoop, the two interlaced arrangement, after assembly is good, in Reinforcement interspersed in steel hoop, edge joint position pours C35 microdilatancy fine-stone concrete, and 30mm is reserved on width direction piece top, using two-component polysulfide sealing compound pointing.The installation of prefabricated filter plate of the present invention, it greatly improves work efficiency, it is effective to guarantee the construction period, steel form fee of material, all material rental charges and cast-type component later period overlay film, heat preservation, upkeep charges are saved, construction site reduces building waste, noise pollution, with the obvious advantage, the reliable in quality in filter plate construction in terms of energy conservation and environmental protection, it is technologically advanced, meet the requirement that technique uses.

Description

A kind of filter plate and its installation method for denitrification filter pool

Technical field

It is specifically a kind of for denitrification filter pool the present invention relates to the construction of prefabricated member in structures engineering construction Filter plate and its installation method belong to architectural engineering construction technique field.

Background technique

The essence that denitrification filter pool handles sewage is absorbed, is dropped using the metabolic activity of microorganisms various on biofilter material Polluter is solved, purpose of purifying the water quality is reached.Under anaerobic environment, anti-nitration reaction is carried out to the nitrogen in sewage, is dropped simultaneously Solve the partial organic substances in sewage.And assembled filter plate is the core component of denitrification filter pool, it should be isolated biofilter material into Row filtering cuts dirt, and carrying out gas and water backwash again regenerates the filter capacity in filter tank.The construction quality quality of filter plate is directly certainly Wastewater treatment efficiency is determined.

In the prior art, filter plate construction generallys use punching block or ABS plate is cast-in-place as bed die.The two construction period is long, puts down Whole degree is difficult to control, and maintenance is improper through crack influence water treatment efficiency easily occurs, and ABS is at high cost and bed die is non-dismountable.

Summary of the invention

The purpose of the present invention is to existing filter plate construction above shortcomings, provide a kind of for denitrification filter The filter plate and its installation method in pond are a kind of safe, advanced, economic, easily and efficiently prefabricated filters for filter tank structures Method of plate installation.

The object of the present invention is achieved like this:

A kind of filter plate for denitrification filter pool, characterized in that the filter plate is spliced to form one by several pieces of prefabricated filter plates of cuboid Body, the prefabricated filter plate are embedded with steel hoop in the two sides of its length direction respectively, and contiguous prefabricated filter plate is in its length direction Edge joint position be equipped with filter beam；The filter back portion is equally embedded with steel hoop, is interspersed in using Reinforcement adjacent pre- In the steel hoop of filter plate processed and the steel hoop in filter back portion, and contiguous prefabricated filter plate length direction edge joint position and filter back Pea gravel concreten pouring structure is equipped between portion；Contiguous prefabricated filter plate width direction edge joint position is equipped with pea gravel concreten pouring structure And two-component polysulfide sealing compound layer, the two-component polysulfide sealing compound are placed on pea gravel concreten pouring structure.

Preferably, the steel hoop interlaced arrangement in the steel hoop of contiguous prefabricated filter plate and filter back portion.

Preferably, the Reinforcement binding and fixing are in corresponding steel hoop top.

Preferably, the two-component polysulfide sealing compound layer is with a thickness of 30mm.

A kind of installation method of above-mentioned filter plate for denitrification filter pool, characterized in that the following steps are included:

1) the prefabricated filter plate of size as needed, quantity, the embedded bar in prefabricated filter plate, and in prefabricated filter plate length direction two Expose the ring seal shape reinforcing bar of certain length respectively in side；Framed bent system is set up, using scale steel pipe, sets spiral in steel pipe top It shores, sets U support in spiral top support, wooden a tree, used in making timber for boats, the template for shelving prefabricated filter plate are laid in U support, at the top of filter beam Reserved steel hoop；

2) hoisting prefabricated filter plate is shelved in template, so that contiguous prefabricated filter plate length direction edge joint position is placed in filter back portion, is guaranteed The steel hoop of contiguous prefabricated filter plate and the steel hoop interlaced arrangement for filtering back portion；

3) after the completion of lifting, intert Reinforcement in the steel hoop of prefabricated filter plate and the steel hoop of filter beam, it is longitudinal The top of steel bar stress and corresponding steel hoop binding and fixing；

4) C35 microdilatancy pea gravel concreten is poured between contiguous prefabricated filter plate length direction edge joint position and filter back portion, in phase Adjacent prefabricated filter plate width direction edge joint position first uses C35 microdilatancy pea gravel concreten, reuses the closure of two-component polysulfide sealing compound It is closely knit, finally connect prefabricated filter plate, filter beam to form entirety.

Preferably, it in step 2, when hoisting prefabricated filter plate, adjusts bottom spiral and shores and reaches integral smoothness+3mm requirement It is interior.

Preferably, it when prefabricated filter plate is hoisted to filter beam above 200mm, slightly pauses, installer is fixed against prefabricated filter plate Bit line helps steady prefabricated filter plate, and whether observes the reserved steel hoop in the filter back portion steel hoop position reserved with prefabricated filter plate Mutually stagger, slow off the hook after passed examination, set up level in suitable position, to four angle points of every piece of prefabricated filter plate 1 into Rower height review, carpenter, which shores spiral under prefabricated filter plate, to be adjusted, within+the 3mm for reaching drawing requirement until.

Preferably, in step 4), for the piece of prefabricated filter plate length direction, before C35 microdilatancy pea gravel concreten pours, Dabbing is carried out to filter tank pool wall, filter beam and rinses loose concrete and floating ash with hydraulic giant, in contiguous prefabricated concrete intersection Brush one of plain-water slurry；C35 microdilatancy pea gravel concreten uses tower crane handling suspension bucket, and artificial blowing pours, and mould is used before blowing The filter block covering protection of prefabricated filter plate piece two sides is received light using the prefabricated filter plate in two sides as reference, receives piece concrete after light by plate Face and prefabricated filter plate face are flat, and the necessary primary concreting of every piece of plate stitch is completed, and do not stay construction joint；

For prefabricated filter plate width direction piece according to as above C35 microdilatancy pea gravel concreten is poured, pouring C35 microdilatancy 30mm is reserved on pea gravel concreten top, is blocked using two-component polysulfide sealing compound closely knit.

Preferably, when pouring C35 microdilatancy pea gravel concreten, the vibrating head for the use of diameter being 3.5cm ensure that secondary pour It builds the compactness of concreting and prevents the generation of harmful cracks.

Structure of the invention is reasonable, the prefabricated precision that ensure that filter plate of batch production, and lifting is quick, saves the duration.The present invention adopts With the prefabricated filter plate of batch production, steel hoop is reserved in (length direction) two sides, and scene is lifted using suspender, and filter beam reserves ring steel Steel hoop is reserved in muscle, prefabricated filter plate two sides, the two interlaced arrangement, after assembly is good, in intert in steel hoop it is longitudinal it is elongated (by Power) reinforcing bar, edge joint position pours C35 microdilatancy fine-stone concrete, and 30mm is reserved on width direction piece top, is sealed using two-component polysulfide Cream pointing, polysulfide waterproof sealing cream is suitable for long-term immersion building joint sealing, good with coagulation scholar adhesive property.Before lifting, Simple framed bent system is arranged in filter plate bottom, and setting spiral is shored at the top of upright bar, is laid with smooth template, opposite cast-type filter plate section About steel pipe, flitch isoperimetric material.Installation form of the invention is reasonable, and prefabricated filter board productin is easily manufactured, and built-in fitting is pre-buried precisely, Compensate for the shortcoming of filter plate installation form.

The installation of prefabricated filter plate of the present invention, greatly improves work efficiency, effective to guarantee the construction period, has saved section About steel form fee of material, all material rental charges and cast-type component later period overlay film, heat preservation, upkeep charges, construction site, which reduces, to be built Building refuse, noise pollution, energy conservation and environmental protection aspect is with the obvious advantage, the reliable in quality in filter plate construction, technologically advanced, meets technique The requirement used.

Detailed description of the invention

Fig. 1 is single style plot structure plan view of the invention；

Fig. 2 is the A-A schematic cross-sectional view of Fig. 1；

Fig. 3 is the B-B schematic cross-sectional view of Fig. 1；

Fig. 4 is 1 enlarged drawing of filter plate connecting node in Fig. 2；

Fig. 5 is 2 enlarged drawing of filter plate connecting node in Fig. 3；

In figure: 1 pool wall, 2 prefabricated filter plates, 3 filter beams, 4 steel hoops, 5 spirals shore, 6 U support, 7 steel pipes, 8 wood a tree, used in making timber for boats, 9 templates, 10 Longitudinal stress (elongated) reinforcing bar, 11 C35 microdilatancy pea gravel concreten structures, 12 two-component polysulfide sealing compound layers, 13 nodes 1,14 Node 2.

Specific embodiment

A kind of filter plate for denitrification filter pool is spliced to form one by the prefabricated filter plate 2 of 12 pieces of cuboids, and prefabricated filter plate exists The two sides of its length direction are embedded with steel hoop 4 respectively, and contiguous prefabricated filter plate is equipped with filter beam in the edge joint position of its length direction 3.Filter back portion is equally embedded with steel hoop 4, and the steel hoop of contiguous prefabricated filter plate is interspersed in using Reinforcement 10 And in the steel hoop in filter back portion, the steel hoop of contiguous prefabricated filter plate and the steel hoop for filtering back portion interlock cloth It sets, Reinforcement binding and fixing are in corresponding steel hoop top.

And pea gravel concreten pouring structure 11 is equipped between contiguous prefabricated filter plate length direction edge joint position and filter back portion.Phase Adjacent prefabricated filter plate width direction edge joint position is equipped with the two-component polysulfide sealing compound of pea gravel concreten pouring structure 11 and 30mm thickness Layer 12, two-component polysulfide sealing compound is placed on pea gravel concreten pouring structure.

Review dead size and pre-buried steel hoop position before filter column, filter beam pour, size and location check errorless rear Filter column, filter beam concrete construction can be carried out, prefabricated filter plate framed bent system is set up, 7 top setting spiral of upright bar (steel pipe) shores 5, U The wooden a tree, used in making timber for boats 8 is set up in support 6, template, 9 are laid on the wooden a tree, used in making timber for boats 8, the wooden a tree, used in making timber for boats smooth using surface, smooth and template, reduce later period flatness The workload of adjusting.

When prefabricated filter plate is hoisted to filter beam above 200mm, slightly pause, installer helps surely against prefabricated filter plate position line Prefabricated filter plate, and observe filter beam and reserve whether steel hoop mutually staggers with the reserved steel hoop position of prefabricated filter plate, it checks and closes Slow off the hook after lattice sets up level in suitable position, carries out absolute altitude review, Mu Gong to four angle points of every piece of prefabricated filter plate Spiral is shored under prefabricated filter plate and is adjusted, within+the 3mm for reaching drawing requirement until.

After the completion of prefabricated filter plate lifting, steel hoop is reserved in prefabricated filter plate and filter back portion reserves in steel hoop and interts Longitudinal elongated reinforcing bar, top and ring-like reinforcing bar binding and fixing.

C35 microdilatancy fine-stone concrete 8 pour before to pool wall, filter beam concrete carry out dabbing and with hydraulic giant rinse loose concrete and Floating ash, in one of plain-water slurry of prefabricated filter plate intersection brushing, concrete uses tower crane handling suspension bucket, and artificial blowing pours, before blowing With template 6 by plate stitch two sides filter block covering protection, receiving light with the prefabricated filter plate 1 in two sides is reference, receive after light plate stitch concrete surface with Prefabricated filter plate face is flat, and the necessary primary concreting of every piece of plate stitch is completed, and does not stay construction joint.

The piece top of prefabricated filter plate width direction reserves 30mm and uses two-component polysulfide sealing compound joint seal, and pointing is complete Cheng Houyu entirety floor elevation is consistent.Two-component polysulfide sealing compound and coagulation scholar adhesive property are good, have resistance to ag(e)ing, durable Property, air-tightness and waterproofness, be suitable for long-term immersion building joint sealing, it is good with coagulation scholar adhesive property, ensured prefabricated filter The tightness of plate stitch processing.

Claims

1. a filter plate for denitrification filter tank, it is characterized in that, this filter plate is formed into one by the splicing of some cuboid prefabricated filter plates, and described prefabricated filter plate is pre-buried with annular steel bars on both sides of its length direction respectively , the adjacent prefabricated filter plates are provided with filter beams at the joints in the length direction; the top of the filter beams is also pre-buried with annular steel bars, and longitudinally stressed steel bars are used to intersperse the annular steel bars of the adjacent prefabricated filter plates and the top of the filter beams In the annular steel bar, and between the joints in the length direction of the adjacent prefabricated filter plates and the top of the filter beam, there is a fine stone concrete pouring structure; The two-component polysulfide sealing paste layer is placed on the fine stone concrete pouring structure.

2 . A filter plate for denitrification filter tank according to claim 1 , wherein the annular reinforcement of adjacent prefabricated filter plates and the annular reinforcement at the top of the filter beam are staggered. 3 .

3 . The filter plate for denitrification filter tank according to claim 1 , wherein the longitudinally stressed steel bars are bound and fixed to the upper part of the corresponding annular steel bars. 4 .

4 . The filter plate for denitrification filter tank according to claim 1 , wherein the thickness of the two-component polysulfide sealing paste layer is 30 mm. 5 .

5. the installation method of a kind of filter plate for denitrification filter tank according to any one of claim 1-4, is characterized in that, comprises the following steps:

1) Prefabricate the filter plates according to the required size and quantity, pre-embed steel bars in the prefabricated filter plates, and expose a certain length of annular closed steel bars on both sides of the prefabricated filter plates in the length direction; The top of the steel pipe is provided with a spiral top support, and a U bracket is set on the top of the spiral top support. On the U bracket, a wooden truss and a formwork for placing the prefabricated filter plate are laid, and a ring steel bar is reserved on the top of the filter beam;

2) Hoist the prefabricated filter plates and place them on the formwork, so that the lengthwise joints of the adjacent prefabricated filter plates are disposed on the top of the filter beams, so as to ensure that the annular reinforcement of the adjacent prefabricated filter plates and the annular reinforcement at the top of the filter beams are staggered;

3) After the hoisting is completed, the longitudinal stress steel bars are interspersed in the annular steel bars of the prefabricated filter plate and the filter beams, and the upper part of the longitudinal stress steel bars is bound and fixed with the corresponding annular steel bars;

4) C35 micro-expanded fine stone concrete is poured between the joints in the length direction of the adjacent prefabricated filter plates and the top of the filter beam, and C35 micro-expanded fine stone concrete is used first at the joints in the width direction of the adjacent prefabricated filter plates, and then double-layered concrete is used. The component polysulfide sealing paste is sealed and dense, and finally the prefabricated filter plate and the filter beam are connected to form a whole.

6. The method for installing a filter plate for a denitrification filter tank according to claim 5, wherein in step 2), when the prefabricated filter plate is hoisted, the bottom screw top support is adjusted to reach the overall flatness+3mm within the request.

7. the installation method of a kind of filter plate for denitrification filter tank according to claim 6 is characterized in that, when the prefabricated filter plate is hoisted to 200mm above the filter beam, a pause is made, and the installation worker faces the prefabricated filter plate. The plate positioning line stabilizes the prefabricated filter plate, and observes whether the position of the annular steel bar reserved at the top of the filter beam and the annular steel bar reserved for the prefabricated filter plate is staggered. The four corners of the filter plate 1 are checked for elevation, and the woodworker adjusts the screw top support under the prefabricated filter plate until it reaches the +3mm required by the drawing.

8. The method for installing a filter plate for a denitrification filter tank according to claim 5, wherein in step 4), for the joints in the length direction of the prefabricated filter plate, C35 micro-expanded fine stone concrete is poured Before the construction, the walls and beams of the filter tank were chiseled, the loose concrete and floating ash were washed with a water gun, and a plain cement slurry was applied at the junction of the adjacent precast concrete; Manual discharging and pouring. Before discharging, use the template to cover and protect the filter seats on both sides of the prefabricated filter plates. The prefabricated filter plates on both sides are used as a reference for light collection. The slab joints must be poured at one time, leaving no construction joints;

For the joints in the width direction of the prefabricated filter plate, pour C35 micro-expanded fine stone concrete as above, reserve 30mm above the poured C35 micro-expanded fine stone concrete, and use two-component polysulfide sealant to seal and compact.

9. the installation method of a kind of filter plate for denitrification filter tank according to claim 8, is characterized in that, when pouring C35 micro-expanded fine stone concrete, using the vibrating rod that diameter is 3.5cm, has guaranteed secondary The compactness of the poured concrete and the prevention of harmful cracks.