CN101780454A - Bonding and preparation method of plate-type wave-shaped screen - Google Patents
Bonding and preparation method of plate-type wave-shaped screen Download PDFInfo
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- CN101780454A CN101780454A CN200910013651A CN200910013651A CN101780454A CN 101780454 A CN101780454 A CN 101780454A CN 200910013651 A CN200910013651 A CN 200910013651A CN 200910013651 A CN200910013651 A CN 200910013651A CN 101780454 A CN101780454 A CN 101780454A
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Abstract
The invention relates to a bonding and preparation method of a drill fluid vibrating screen plate-type wave-shaped screen. The method comprises the following steps: selecting screen adhesive, bonding screen cloth, performing coating pretreatment, preparing and coating screen adhesive, performing compaction and solidification and the like. By using the bonding and preparation method of the plate-type wave-shaped screen, the screen cloth, a sieve-plate and a screen frame can be bound together to prepare the plate-type wave-shaped screen. The invention has the advantages that the bonding and preparation method is simple, the plate-type wave-shaped screen with long service life and high treatment capacity and purification precision can be prepared and the screen can meet the demand of the drill fluid vibrating screen. The purpose of the invention is to provide the bonding and preparation method of the drill fluid vibrating plate-type wave-shaped screen.
Description
Technical field
The present invention relates to a kind of board-like wave-shaped screen bonding and preparation method of drilling fluid vibrating sieve that is applicable to.
Background technology
Drilling fluid vibrating sieve be can the full flow treated drilling fluid in the solid controlling system key equipment, it mainly is to remove landwaste and other harmful solid phase particles in the drilling fluid by screen cloth.Screen cloth is the consumable accessory of vibratory sieve, and its reliability and service life are the keys that can whole vibratory sieve continuous operation.The screen life-span that different structure form, different adhesive technology manufacturings form varies.Short has 3～5 days, and long have a two or three months.In oilfield drilling, in case vibrating screen mesh damages, just must stop brill, change, otherwise major accident such as shaft bottom bit freezing will take place.
By the screen cloth study and cognition is arrived: improve screen life-span and drill fluid purification precision, is cost to reduce vibratory sieve to the drilling fluid treating capacity, and board-like wave-shaped screen can successfully address this problem, its long service life, can improve the drilling fluid treating capacity and and the drill fluid purification precision, therefore need a kind of New-type plate wave-shaped screen bonding and preparation method, be used to make board-like wave-shaped screen.
Summary of the invention
The present invention adopts a kind of board-like wave-shaped screen bonding and preparation method to produce the high board-like wave-shaped screen of long service life, treating capacity and purification precision for solving the above-mentioned technical problem that existing drilling fluid vibrating sieve screen cloth exists.
Purpose of the present invention provides a kind of bonding and preparation method for the board-like wave-shaped screen of drilling fluid vibrating sieve exactly.
Technical solution of the present invention is: adopt a kind of board-like wave-shaped screen bonding and preparation method to produce the high board-like wave-shaped screen of long service life, treating capacity and purification precision.Selection, the sieve cloth that comprises the screen cloth adhesive is bonding, the preparation of coating pre-treatment work, screen cloth adhesive and coating, consolidation, it is characterized in that: by board-like wave-shaped screen bonding and preparation method, manufacture board-like wave-shaped screen sieve cloth, sieve plate, screen bed base are bonding, as shown in Figure 1.
The selection of described screen cloth adhesive: select epoxy resin adhesive and reinforcing agent for use.
Described sieve cloth is bonding: adopt the bonding curing frock of sieve cloth of bolster pattern, manufacture wave-shaped screen cloth in pressurization, heating, cure under pressure, room temperature under cooling off containing 2 layers of the hot melt offset plate or 3 layers of sieve cloth.The bonding curing frock of sieve cloth as shown in Figure 2.
Described coating pre-treatment work: comprise the processing of sieve plate and screen bed base.Sieve plate is selected the thick sheet metal of 2～3mm for use, rushes to a plurality of through holes; Screen bed base is welded by square or rectangle hollow shaped steel.Sieve plate and screen bed base is integrally welded, carry out integral body smoothing, cleaning then, and to being handled by bonding sieve plate upper surface.
The preparation of described screen cloth adhesive and coating: according to the characteristic of epoxy resin adhesive, add 25%～40% reinforcing agent, be mixed with the screen cloth adhesive.Adhesive evenly is coated in through the sieve plate upper surface after the surface treatment, and its applied thickness should be determined according to the steel wire diameter of 2 layers or 3 layers sieve cloth, generally be 1～1.5mm.
Described consolidation: wave-shaped screen cloth is installed on the consolidation frock with the sieve plate that has applied the screen cloth adhesive, screen bed base, vertically between sieve plate and wire screen apply certain pressure, guaranteeing has enough thrusts between sieve cloth and the sieve plate, heats 150 ℃ and solidifies 2 hours.The consolidation frock as shown in Figure 3.
The utlity model has following advantage:
1, bonding and preparation method is simple, is convenient to operation and implements.
2, produced screen cloth reliable in quality, the screen filtration area is big, long service life.
Description of drawings
Fig. 1 is a kind of board-like wave-shaped screen schematic diagram.
The 1-sieve cloth, 2-sieve plate, 3-screen bed base.
Fig. 2 is the bonding curing frock of sieve cloth.
1-cope match-plate pattern, 2-contain 2 layers or 3 layers of sieve cloth of hot melt offset plate, 3-lower bolster.
Fig. 3 is the consolidation frock.
The 1-cope match-plate pattern, 2-wave-shaped screen cloth, the sieve plate that 3-and screen bed base are welded as a whole, 4-lower bolster
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the present invention includes the following step:
(1) selection of adhesive:
According to working environment and the condition of work thereof of oil field with drilling fluid vibrating sieve, and screen cloth is immersed in this special medium of drilling fluid (drilling fluid is the mixture of multiple media such as a kind of crude oil, water, alkali, polymer, silt) for a long time, selects for use epoxy resin adhesive and reinforcing agent to be mixed with the screen cloth adhesive.Reinforcing agent is to be the auxiliary agent of organic adhesion agent of base with the epoxy resin, has raw material such as multiple inorganic macromolecule compound synthetic, is the polycrystalline powder.This screen cloth adhesive major advantage is: a, can produce enough bonding forces in the metal surface, solidify back peel strength and shear strength height; B, nontoxic, water-fast, oil resistant, alkaline-resisting, corrosion-resistant; C, easy operating are convenient to coating; D, solidify the back shock resistance, vibration resistance, wear-resisting meets the long-term work condition of screen cloth bonding requirements and screen cloth.
(2) sieve cloth is bonding:
According to the developed area blanking of wave-shaped screen with the sieve cloth of 2 layers or 3 layers different meshes, between every layer of sieve cloth, place the solid-state hot melt offset plate that a plurality of diamond holes are arranged, the offset plate size is identical with the developed area of sieve cloth, and the hot melt offset plate can be along with the sieve cloth bending before and after solidifying.With different tensile force difference tensioning sieve cloths.In order to make sieve cloth bend to undaform, adopt bolster that the bonding curing frock of sieve cloth of undaform dovetail groove pattern is all arranged.Between bolster, place 2 layers or 3 layers of sieve cloth that contain the hot melt offset plate, under the forcing press effect, cope match-plate pattern and lower bolster lump together, and are heated under 130 ℃ of molten conditions each layer sieve cloth bonded together, cure under pressure, room temperature cooling just can manufacture wave-shaped screen cloth then.
(3) coating pre-treatment work:
Comprise the work of treatment of sieve plate and screen bed base.The sheet metal that 2～3mm is thick rushes to a plurality of through holes, forms sieve plate; Screen bed base adopts square or rectangle hollow shaped steel is welded.Sieve plate and screen bed base are welded together smoothing then, trimming, cusped edge, burr etc.To being handled by bonding sieve plate upper surface, comprise the alligatoring on rust cleaning, oil removing, surface etc., to create best bonding condition, improve adhesive strength.Sieve plate after the alligatoring and screen bed base (the two is a welding integral) be put in the closed container that acetone solvent is housed carry out automatic clean surface, generally only need 3～5min, pull out the surface is dried up.
(4) preparation of screen cloth adhesive and coating:
According to the characteristic of epoxy resin adhesive, add 25%～40% reinforcing agent, be mixed with the screen cloth adhesive.The screen cloth adhesive evenly is coated in through the sieve plate upper surface after the surface treatment, its applied thickness should be determined according to the steel wire diameter of 2 layers or 3 layers sieve cloth, generally be 1～1.5mm, could guarantee that the screen cloth adhesive can penetrate 2 layers or 3 layers of sieve cloth, make between sieve cloth and the sieve cloth, very high bonding force can both be arranged between sieve cloth and the sieve plate upper surface.
(5) consolidation:
To be installed on the consolidation frock with the sieve plate that has applied the screen cloth adhesive, screen bed base with the bonding wave-shaped screen cloth of PUR, apply certain pressure with forcing press vertical between sieve cloth and the sieve plate again, locking consolidation frock, to guarantee between sieve cloth and the sieve plate enough thrusts being arranged, remove from forcing press then, be put in the automatically controlled automatic heating furnace, heat 150 ℃ to solidify after 2 hours and take the consolidation frock apart, finish the manufacturing of board-like wave-shaped screen.
Maximum advantage of the present invention is: bonding and preparation method is simple, can produce long service life, treating capacity and the high plate-type wavy screen mesh of purification precision, satisfies the needs of drilling fluid vibrating sieve.
Claims (3)
1. a board-like wave-shaped screen bonding and preparation method by board-like wave-shaped screen bonding and preparation method, is made board-like wave-shaped screen.Described bonding and preparation method comprises the following steps:
(1) selection of adhesive: select epoxy resin adhesive and reinforcing agent for use.
(2) sieve cloth is bonding: the bonding wave-shaped screen cloth that manufactures of the multi-deck screen screen cloth that contains the hot melt offset plate;
(3) coating pre-treatment work: comprise the work of treatment of sieve plate and screen bed base.Sieve plate is a sheet metal, rushes to a plurality of through holes; Screen bed base is welded by square or rectangle hollow shaped steel.Sieve plate and screen bed base is integrally welded, smooth then, clear up, and to being handled by bonding sieve plate upper surface;
(4) preparation of screen cloth adhesive and coating: according to the characteristic of epoxy resin adhesive, add 25%～40% reinforcing agent, be mixed with the screen cloth adhesive.Applied thickness is determined according to the steel wire diameter of 2 layers or 3 layers sieve cloth;
(5) consolidation: wave-shaped screen cloth is compressed, heats, solidifies with the sieve plate that has applied the screen cloth adhesive, screen bed base.
2. as claims 1 described bonding and preparation method, wherein, described sieve cloth is bonding to be finished by the bonding curing frock of sieve cloth.
3. as claims 1 described bonding and preparation method, wherein, described consolidation is finished by the consolidation frock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910013651A CN101780454A (en) | 2009-01-19 | 2009-01-19 | Bonding and preparation method of plate-type wave-shaped screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910013651A CN101780454A (en) | 2009-01-19 | 2009-01-19 | Bonding and preparation method of plate-type wave-shaped screen |
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| Publication Number | Publication Date |
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| CN101780454A true CN101780454A (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910013651A Pending CN101780454A (en) | 2009-01-19 | 2009-01-19 | Bonding and preparation method of plate-type wave-shaped screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143503A (en) * | 2013-02-06 | 2013-06-12 | 蔡军 | Manufacturing method for composite framework screen stencil |
| CN111531928A (en) * | 2020-05-11 | 2020-08-14 | 安平县星火金属网厂 | Manufacturing process of composite wave screen |
| CN112893116A (en) * | 2021-03-01 | 2021-06-04 | 西安欧中材料科技有限公司 | Manufacturing method for prolonging service life of stainless steel wire screen |
-
2009
- 2009-01-19 CN CN200910013651A patent/CN101780454A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143503A (en) * | 2013-02-06 | 2013-06-12 | 蔡军 | Manufacturing method for composite framework screen stencil |
| CN103143503B (en) * | 2013-02-06 | 2015-05-20 | 蔡军 | Manufacturing method for composite framework screen stencil |
| CN111531928A (en) * | 2020-05-11 | 2020-08-14 | 安平县星火金属网厂 | Manufacturing process of composite wave screen |
| CN112893116A (en) * | 2021-03-01 | 2021-06-04 | 西安欧中材料科技有限公司 | Manufacturing method for prolonging service life of stainless steel wire screen |
| CN112893116B (en) * | 2021-03-01 | 2023-04-11 | 西安欧中材料科技有限公司 | Manufacturing method for prolonging service life of stainless steel wire screen |
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Application publication date: 20100721 |