The channel plate is a vital gadget in the water treatment process, assuming a double part in the channel lake conveying the channel media layer filtration and discharging with water (gas). The nature of the channel plate (particularly the levelness and exactness of the channel plate) is straightforwardly connected with the post-filtration water quality, water amount and long haul advantages of the activity of water and wastewater plants. The customary channel tank water dispersion framework has high obstruction while separating and discharging, lopsided water dissemination, numerous stale water regions, simple slabbing of channel media, mud collection, and simultaneously, because of the nearby flushing strength brought about by the relaxing of the help layer, sand spillage and other bothersome results.
Use
1, impetus filtration and partition.
Channel plate
2、Filtration of high temperature gas in petrochemical industry, filtration of bubbling bed tail gas in petrochemical plant, filtration of synergist breaking oil slurry.
3、Purification of high-temperature vent gas in metallurgical industry.
4、Filtration of other high-temperature gases and fluids.
5、Filtration of different high-temperature, destructive fluids and impetuses in the petrochemical business.
6, filtration and cleaning of different polymer dissolves in the substance fiber entertainment world.
7、 Filtration and partition of different impetuses in the drug business.
8、 For gas appropriation, liquidized bed hole plate material.
9、 For high-pressure discharging oil channel, and so on;
10、 For filtration of eatable oils, refreshments and palatable slurries, everything being equal;.
11、 For purging and filtration of creation emanating.
Establishment prerequisites
Channel plate even establishment precision necessities are high, its significant premise is associated with the channel light emission whole pool evening out and pre-covered bolted channel plate with hardened steel parts situating exactness, in this way, the channel pillar evening out prerequisites flat line, should be designed with an elevated expectation of metal shape and gifted assembling innovation, to guarantee the evening out of the channel bar, plane evening out, and afterward introduce the channel plate.
1, as indicated by the prerequisites of the plan drawings for development, the even mistake of the singular pool plate surface is more prominent than ± 2mm, the rise blunder of every cell channel pool is no more noteworthy than ± 5mm;.
2, the channel plate joints require no air spillage, no water spillage, and can endure the strain of flushing.
3, the channel plate prior to laying, utilizing a level to test the help bar surface rise esteem blunder of not exactly ± 2mm;.
- The joints of the channel plate ought to be trimmed and loaded up with 903 polymer concrete mortar, and the decorated joints ought to be kept up with in a sticky climate for three days and put into utilization following seven days.
5, development should focus on mortar would not spill into the pool or seal the channel be able to head, after establishment, to tidy up the channel plate surface mortar.
Development Technology Editorial Podcast
Pre-assembled channel plate development innovation
Brief presentation.
Pre-assembled channel plate is proper to utilize even steel shape, every creation of a piece, demoulding season of 24h (summer high temperature ought to be at the very least 16h, that is, two days three demoulding). Furthermore, there are upward forms, which can create five pieces all at once. In any case, it is hard to reject the gas in the form, and the channel plate created has more air pockets, and furthermore because of the impact of gravity, when the embedded vibrator vibrates the substantial unevenly and the strength is exceptionally low; the place of the support is hard to fix, and there are many uncovered bars; the edge of the channel plate is even less conservative, and there are many burrs, surrenders and dropped corners.
Development program.
(1) Measure and spot the line an establishment of channel bar an evening out a lifting channel plate an establishment of evening out an exceptional thick fixing mud fill an establishment of channel head an establishment of strain plate a water discharge a test pressure, waste a tidy up site.
(2) Construction technique for primary cycles. As indicated by the development drawings, the manufacturer will take genuine estimations of the channel tank and audit them. On the off chance that the drawings are viewed as conflicting with the site, reach us and the architect quickly to tackle the issue and do line estimation in the wake of checking.
(3) The design of instruments and meters. Levels, calipers, meters and other estimating instruments, to be designed with the requirements of the venture, contact the administrative unit to get ready for line investigation.
Benefits and burdens.
(1) Advantages: minimal expense, around 1000-1500 RMB/m2; adaptable development, can be built nearby or pre-assembled in the production line; low development apparatus necessities, just 1 little substantial blending tank is required.
(2) Disadvantages: The method involved with collecting pre-assembled supported substantial chunks and afterward treating the joints. The issues with this cycle are that the joints are inclined to air spillage, enormous joint stature contrast and trouble in controlling the evenness of the lower part of the section during get together. [1]
Indispensable Casting of Filter Slabs
Brief presentation.
The substantial channel piece base formwork is made of extraordinary high strength food grade plastic to guarantee the strength of the formwork while pouring; the raised part has a circular opening with a neck sleeve to fix the pre-covered seat of the long handle channel head. The customizable channel head comprises of a pre-set seat, a channel bar and a channel cap. The pre-set seat is fitted with a pin to work with fixing to the formwork. The channel pole has a change string for all over change and a change fold that squeezes into the pre-covered seat to control the exactness of the change of the channel bar. There is an industry detail for indispensable cast set up channel plates: “CECSl78-2005 Technical Specification for Adjustable Filter Heads for Integral Cast-in-Place Filter Plates for Gas-Water Flushing Filter Ponds”, to which the development innovation alludes.
Benefits and impediments.
(1) Advantages: no more joints in the plate, no compelling reason to do joint fixing and waterproofing measures; supported substantial channel plate with fixed plastic base formwork, consistent emptying of cement into an entire on location, and associated with the mass of the channel tank overall, establishment of a commissionable channel head. This works on the consistency and dependability of the water circulation arrangement of the air-water discharge channel tank dissemination of water and air 16J.
(2) Disadvantages: significant expense, contrasted and construction expanded by half a 100 percent; high prerequisites for development hardware, to meet the siphoning product cement and holder type working stage pouring; need for ABS pre-assembled modules given by proficient makers. [1]
Treated steel channel plate
Developments
Channel plate
Channel plate
The treated steel channel plate water appropriation framework comprises of a base bearing design, a hardened steel channel plate, a collected exceptional water circulation channel head and other significant parts.
Load-bearing construction: The base burden bearing design of the channel plate comprises of vertical tempered steel points of support and level hardened steel load-bearing shafts interfacing the base and the mass of the pool, and the treated steel support points and burden bearing bars are all steel segments. In the new channel lake project, the hardened steel bearing construction can be fixed with the pre-covered pre-covered parts in the base and mass of the lake by welding or associating with the pre-covered bolts; in the first channel lake remodel project, the fixing bolts can be set in the base and mass of the lake through support, and afterward fixed with the treated steel supporting support points and bearing bars, so the tempered steel channel plate bearing design is incorporated with the common design of the channel lake: for the channel lake with substantial channel pillar structure, it can likewise be utilized For channel lakes with existing substantial channel radiates, the first substantial help shafts can likewise be utilized for establishment.
Hardened steel channel plate: The channel plate is made of excellent tempered steel and is outfitted with openings and spaces on the two sides for the establishment of channel head pre-covered parts as per the interaction necessities. The upper surface of the channel plate is precisely formed in one go, with various building up ribs of curved and inward design relating to the establishment position of the channel head; the lower some portion of the channel plate is organized in an upward course with the upper supporting ribs, which assume the part of fixing the pre-introduced pieces of the channel head and fortifying the base; the unique construction of the pre-introduced pieces of the channel head is outfitted with openings on the top and base, which are turned at filter plate manufacturing a specific point subsequent to entering the fixing openings on the upper and lower layers of the channel plate and afterward situated and secured.
Treated steel channel plate: The channel plate is made of great hardened steel and is outfitted with openings and spaces on the two sides for the establishment of channel head pre-covered parts as indicated by the cycle prerequisites. The upper surface of the channel plate is precisely formed in one go, with various supporting ribs of curved and sunken construction relating to the establishment position of the channel head; the lower a piece of the channel plate is organized in an upward bearing with the upper building up ribs, which assume the part of fixing the pre-introduced pieces of the channel head and fortifying the base; the exceptional design of the pre-introduced pieces of the channel head is outfitted with spaces on the top and base, which are turned at a specific point subsequent to entering the fixing openings on the upper and lower layers of the channel plate and afterward situated and secured.
Water conveyance channel head: the channel head is introduced on the channel plate through a packaging, a space and a seal ring. As per the diverse flushing strategies for the channel tank, the relating opening proportion is set and various kinds of channel heads or various densities of channel heads are arranged. The short-taken care of channel head is utilized for single-water flushing channel lakes, with the channel pole flush with the lower part of the channel plate; the since a long time ago took care of channel head is utilized for gas-water discharging channel lakes, with the channel pole broadening a specific length from the lower part of the channel plate, with a long air bay space and circular openings for air delta and fumes to meet the prerequisites of framing a steady air pad layer, uniform air bay and fumes during flushing in gas-water discharging channel lakes.
Benefits
The high accuracy treated steel channel plate is machined from excellent tempered steel sheets. The channel head is made of high-strength designing plastic and has a logical opening proportion. The channel head is fixed with built up strings and fixed with elastic gaskets, so the association is firm and never tumbles off. The channel plate can be deftly tweaked by the client’s channel lake type, changing the past channel plate because of cycle limitations must be utilized almost square plan mode, to accomplish the channel lake between the two channel radiates channel plate entire square length assembling and establishment, the lower part of the channel plate without help doesn’t exist at the joining crease, to guarantee the respectability of the channel lake channel plate and super durable steady, protected and productive activity of the best objective. [2]
Establishment check
Level testing with a level, in addition to stopping and delivering water to test come snugness. The achievement or disappointment of the channel plate creation and establishment is straightforwardly connected with the achievement or disappointment of the gas-water discharging process. Since contrasted and the customary separate water flushing process, the gas-water discharging process builds the gas discharge, which requires the flat mistake of the singular pool channel plate surface to be something like ± 2 mm, and the rise blunder of every cell channel pool to be something like ± 5 mm, really at that time will it not produce discharge unevenly prompting ooze agglomeration. This influences the water quality and treatment impact.
