Ion-exchange unit
Technical field
The present invention relates to a kind of ion-exchange unit, particularly a kind of ion-exchange unit that has spray equipment belongs to the Treatment of Industrial Water field.
Background technology
At present, employed ion-exchange unit in the Treatment of Industrial Water field is to purify coming water to carry out desalination by the resin extender that is seated in device interior, need be transported to external regeneration usually after resin loses efficacy.When the exhausted resin filler is outwards carried, device interior all can have the part resin residue in the past, mixed with resin after this cull and the regeneration will influence system water quality and system water cycle, be difficult to the satisfied field that water quality is had high requirements, as the secondary circuit water of Nuclear power plants.The captation of ion-exchange unit adopted single flat board to join the structure of water collector usually in the past, and be provided with the into device of eddy flow water, i.e. perforate on a single flat board, in institute's perforate, water collector is installed, the bottom that the bottom that promptly is positioned at the resin extender laminar surface on the top of ion-exchanger or mixes bed promptly is positioned at the resin extender layer is provided with the into device of eddy flow water, though this class captation can guarantee that water outlet is even, but because the device that is subjected to planar design and advances eddy flow water can not form the influence of effective swirling flow in than large equipment at sectional area, exist the device interior resin extender to carry halfway problem, cause having serious crossed contamination between exhausted resin filler and the regeneration back resin extender, make system water quality can not get guaranteeing that filler resin causes the obstruction of eddy flow water pipe easily simultaneously.The captation of ion-exchange unit also had the two arc plate structure forms of employing in the past, was promptly welded by intermediate strut device and lower floor's arc by the upper strata arc, was provided with the water collector open holes on the plate face of upper strata arc, and water collector is installed on the open holes.This structure can guarantee that water outlet is even, and the filler conveying is also comparatively thorough, but this structure can only adopt stainless material to make for satisfying requirement for anticorrosion, has improved the production cost of equipment, involves great expense.
Summary of the invention
The objective of the invention is to, a kind of ion-exchange unit is provided, its structure design not only can make water distribution even, and can effectively solve in the prior art employed ion-exchange unit exhausted resin filler and carry halfway problem, and has long, system water quality height of system water cycle and device structure is simple, advantage of low manufacturing cost.
Technical scheme of the present invention: a kind of ion-exchange unit, comprise housing, water-in, water-distributing device, grease inlet, the resin extender layer, captation, grease outlet and water outlet, water-in is located at the top of housing, water-distributing device is located at the intravital top of shell, water-distributing device comprises water distribution board and water distributor, captation is located at the intravital bottom of shell, captation comprises water collection sheet and water collector, the resin extender layer is located at the top of captation, the upper end of grease outlet is located at the central point of captation and is connected with the bottom of housing, the bottom of housing also is provided with water outlet, and the below of water distribution board is provided with spray equipment, and water collection sheet is the single-arc shaped plate.Spray equipment is set in the bottom of water-distributing device resin extender is carried completely, the empirical tests transfer rate can reach more than 99.99%.
In the aforesaid ion-exchange unit, spray equipment is constituted or is the ring-type spray piping of a root bottom part and side band spray apertures by 1~10 trickle shower nozzle.Spray equipment adopts the trickle shower nozzle or adopts the ring-type spray piping of bottom and side band spray apertures all is in order to make washing water can be sprayed onto intravital each position of shell, exhausted resin to be carried thoroughly.
In the aforesaid ion-exchange unit, spray equipment is made of 5 trickle shower nozzles, and the trickle shower nozzle is located at the below of water distribution board, by welding, be threaded or fastening piece is fixed on the washing water water inlet pipe A.
In the aforesaid ion-exchange unit, the feed-water end of washing water water inlet pipe A is arranged on the top of housing or is arranged on the side of housing.
In the aforesaid ion-exchange unit, spray equipment is the ring-type spray piping of a root bottom part and side band spray apertures, and the ring-type spray piping is connected with washing water water inlet pipe B, and the fluid inlet on the washing water water inlet pipe B is located at the top of housing or is located at the side of housing.
In the aforesaid ion-exchange unit, water collection sheet is the single-arc shaped plate of a carbon steel line with rubber.Traditional water collection sheet adopts the two arcs of stainless steel, makes and requires height, and difficulty is big, and cost is also high; Single formation plate of employing is also arranged, and resin extender is carried not thorough, can not satisfy system water quality requirements, adopts steel lining glue single-arc shaped plate than adopting the two arcs of stainless steel and can reduce 20% of whole equipment cost.
In the aforesaid ion-exchange unit, the plate face of water collection sheet is provided with the water collector open holes, and the center that the water collector open holes is evenly distributed on water collection sheet is on the concentric(al) circles in the center of circle, and water collector is fixed on the top of water collection sheet by the water collector open holes.With water collector open holes the center with water collection sheet of being evenly distributed on be mode on the concentric(al) circles in the center of circle arrange be for catchment and gas distribution even.
In the aforesaid ion-exchange unit, the plate face of water distribution board is provided with the water distributor open holes, arbitrarily 3 adjacent water distributor open holess are arranged in the mode of isosceles or equilateral triangle or are arranged that in the mode that any water distributor open holes all is evenly distributed on the concentric(al) circles that central point with water distribution board is the center of circle water distributor is fixed in the below of water distribution board by the water distributor open holes.The water distributor open holes arranged in the mode of isosceles or equilateral triangle or arrange it all is even in order to ensure water distribution in the mode that any water distributor open holes all is evenly distributed on the concentric(al) circles that central point with water distribution board is the center of circle.
In the aforesaid ion-exchange unit, housing is that spheroid or middle part are the molectron of elipse head for the right cylinder two ends.
In the aforesaid ion-exchange unit, housing is a spheroid, and the diameter of spheroid is 3200mm~4200mm.
In the aforesaid ion-exchange unit, the middle part of housing is an elipse head for the right cylinder two ends, and the cylinder diameter at housing middle part is 2800mm~4200mm.
In the aforesaid ion-exchange unit, the inwall of housing is provided with the line with rubber preservative coat.Because equipment barrel adopts carbon steel, the water that comes of its processing is corrosive, and need do anticorrosion.If adopt corrosion resistant material such as stainless steel, price is very expensive.
In the aforesaid ion-exchange unit, water distribution board is a circular slab.Adopt the purpose of circular slab to be, guarantee that water distribution is even, avoids the resin disturbance under the operating mode of big flow, high flow rate, reduce the wearing and tearing of resin, prolong the system water cycle.
In the aforesaid ion-exchange unit, water distribution board is the circular slab that is made of a monoblock steel plate.When the specification of ion-exchange unit was smaller, the circular slab that water distribution board can adopt a monoblock steel plate to be made can reduce complete processing like this.
In the aforesaid ion-exchange unit, water distribution board is the unitary circular plate that is formed by connecting by welding or fastening piece by the polylith steel plate.When the size of ion-exchange unit is bigger, the also corresponding increase of the diameter of water distribution board, be subjected to steel plate starting material size constrained, it is designed to the polylith steel plate by the whole circular slab that is welded, convenient for installing, overhauling, on circular slab, be provided with removable manhole and cover plate or be provided with removable manhole and cover plate, perhaps it is designed to the polylith steel plate by the fastening piece whole circular slab that is formed by connecting at the housing upper cover.
Compared with prior art,, water distributor is installed on water distribution board, is made the water-distributing device water distribution even, avoid resin disturbance under the operating mode of big flow, high flow rate, effectively reduce resin wearing, and improve the system water cycle because the present invention adopts the unitary circular water distribution board.Spray equipment is set below water distribution board simultaneously, it cooperates captation to carry out the conveying of exhausted resin filler effectively, guarantee the resin extender conveying completely, the empirical tests transfer rate can reach more than 99.99%, and the present invention has greatly improved system water quality again when improving the system water cycle.In addition, the water collection sheet of captation adopts the single-arc shaped plate structure of steel lining glue, compare manufacturing price with the two arc water collection sheets of traditional stainless steel and reduce greatly, and manufacture difficulty also reduces greatly, make installation, dismantle and safeguard convenient, greatly reduced equipment manufacturing cost.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 be the feed-water end of trickle shower nozzle be located at case top structural representation;
Fig. 3 is that the feed-water end of trickle shower nozzle is located at the lateral structural representation of housing;
Fig. 4 is that the fluid inlet on the ring-type spray piping is located at the vertical structural representation of housing;
Fig. 5 is that the fluid inlet on the ring-type spray piping is located at the lateral structural representation of housing;
Fig. 6 is that housing of the present invention is the spheric structural representation;
Fig. 7 is that water distribution board is the structural representation of a unitary circular plate, and wherein the water distributor open holes is to distribute with concentric(al) circles;
Fig. 8 is the structural representation of polylith steel plate by the assembled water distribution board of fastening piece, and wherein the water distributor open holes is to distribute with equilateral triangle.
Being labeled as in the accompanying drawing: 1-housing, 2-water-in, 3-water-distributing device, 4-grease inlet, 5-resin extender layer, 6-captation, 7-grease outlet, 8-water outlet, the 9-water distribution board, 10-spray equipment, 11-water collection sheet, 12-water distributor open holes, 13-water collector open holes, 14-line with rubber preservative coat, 15-water collector, 16-water distributor, 17-trickle shower nozzle, 18-ring-type spray piping, 19-washing water water inlet pipe A, the 20-spray apertures, 21-washing water water inlet pipe B, 22-washing water fluid inlet.
Embodiment
The present invention is described further below in conjunction with drawings and Examples.
Embodiments of the invention 1: a kind of ion-exchange unit, comprise housing 1, water-in 2, water-distributing device 3, grease inlet 4, resin extender layer 5, captation 6, grease outlet 7 and water outlet 8, water-in 2 is located at the top of housing 1, water-distributing device 3 is located at the top in the housing 1, water-distributing device 3 comprises water distribution board 9 and water distributor 16, captation 6 is located at the bottom in the housing 1, captation 6 comprises water collection sheet 11 and water collector 15, resin extender layer 5 is located at the top of captation 6, the upper end of grease outlet 7 is located at the central point of captation 6 and is connected with the bottom of housing 1, the bottom of housing 1 also is provided with water outlet 8, the below of the water distribution board 9 of water-distributing device 3 is provided with spray equipment 10, and water collection sheet 11 is single-arc shaped plates.Water distribution board 9 is the circular slabs that are made of a monoblock steel plate.The plate face of water collection sheet 11 is provided with water collector open holes 13, and the center that water collector open holes 13 is evenly distributed on water collection sheet 11 is on the concentric(al) circles in the center of circle, and water collector 15 is fixed in the top of water collection sheet 11 by water collector open holes 13.Spray equipment 10 is 1 trickle shower nozzle 17.Trickle shower nozzle 17 is located at the below of water distribution board 9 and is welded on the washing water water inlet pipe A19.The feed-water end of washing water water inlet pipe A19 is arranged on the top of housing 1.The plate face of water distribution board 9 is provided with water distributor open holes 12, and 3 adjacent water distributor open holess 12 arrange that in the mode of isosceles triangle water distributor 16 is fixed in the below of water distribution board 9 by water distributor open holes 12 arbitrarily.Housing 1 is a spheroid, and its sphere diameter is 3200mm.The inwall of housing 1 is provided with line with rubber preservative coat 14.
Embodiments of the invention 2: a kind of ion-exchange unit, comprise housing 1, water-in 2, water-distributing device 3, grease inlet 4, resin extender layer 5, captation 6, grease outlet 7 and water outlet 8, water-in 2 is located at the top of housing 1, water-distributing device 3 is located at the top in the housing 1, water-distributing device 3 comprises water distribution board 9 and water distributor 16, captation 6 is located at the bottom in the housing 1, captation 6 comprises water collection sheet 11 and water collector 15, resin extender layer 5 is located at the top of captation 6, the upper end of grease outlet 7 is located at the central point of captation 6 and is connected with the bottom of housing 1, the bottom of housing 1 also is provided with water outlet 8, the below of water distribution board 9 is provided with spray equipment 10, and water collection sheet 11 is single-arc shaped plates of a carbon steel line with rubber.Water distribution board 9 is the unitary circular plates that are welded by the polylith steel plate.The plate face of water collection sheet 11 is provided with water collector open holes 13, and the center that water collector open holes 13 is evenly distributed on water collection sheet 11 is on the concentric(al) circles in the center of circle, and water collector 15 is fixed in the top of water collection sheet 11 by water collector open holes 13.Spray equipment 10 is 5 trickle shower nozzles 17, and trickle shower nozzle 17 is located at the below of water distribution board 9, by being threaded on the washing water water inlet pipe A19.The feed-water end of washing water water inlet pipe A19 is arranged on the side of housing 1.The plate face of water distribution board 9 is provided with water distributor open holes 12, and 3 adjacent water distributor open holess 12 arrange that in the mode of equilateral triangle water distributor 16 is fixed in the below of water distribution board 9 by water distributor open holes 12 arbitrarily.Housing 1 is a spheroid.The sphere diameter of housing 1 is 4200mm.The inwall of housing 1 is provided with line with rubber preservative coat 14.
Embodiments of the invention 3: a kind of ion-exchange unit, comprise housing 1, water-in 2, water-distributing device 3, grease inlet 4, resin extender layer 5, captation 6, grease outlet 7 and water outlet 8, water-in 2 is located at the top of housing 1, water-distributing device 3 is located at the top in the housing 1, water-distributing device 3 comprises water distribution board 9 and water distributor 16, captation 6 is located at the bottom in the housing 1, captation 6 comprises water collection sheet 11 and water collector 15, resin extender layer 5 is located at the top of captation 6, the upper end of grease outlet 7 is located at the central point of captation 6 and is connected with the bottom of housing 1, the bottom of housing 1 also is provided with water outlet 8, the below of the water distribution board 9 of water-distributing device 3 is provided with spray equipment 10, and water collection sheet 11 is single-arc shaped plates of a carbon steel line with rubber.Water distribution board 9 is the unitary circular plates that are formed by connecting by fastening piece by the polylith steel plate.The plate face of water collection sheet 11 is provided with water collector open holes 13, and the center that water collector open holes 13 is evenly distributed on water collection sheet 11 is on the concentric(al) circles in the center of circle, and water collector 15 is fixed in the top of water collection sheet 11 by water collector open holes 13.Spray equipment 10 is 10 trickle shower nozzles 17, and trickle shower nozzle 17 is located at the below of water distribution board 9, by welding, be threaded or fastening piece is fixed on the washing water water inlet pipe A19.The feed-water end of washing water water inlet pipe A19 is arranged on the top of housing 1.The plate face of water distribution board 9 is provided with water distributor open holes 12, and arbitrarily the mode that all is evenly distributed on the concentric(al) circles that the central point with water distribution board 9 is the center of circle of water distributor open holes 12 arranges that water distributor 16 is fixed in the below of water distribution board 9 by water distributor open holes 12.The middle part of housing 1 is an elipse head for the right cylinder two ends.The middle part cylinder diameter of housing 1 is 2800mm.The inwall of housing 1 is provided with line with rubber preservative coat 14.
Embodiments of the invention 4: a kind of ion-exchange unit, comprise housing 1, water-in 2, water-distributing device 3, grease inlet 4, resin extender layer 5, captation 6, grease outlet 7 and water outlet 8, water-in 2 is located at the top of housing 1, water-distributing device 3 is located at the top in the housing 1, water-distributing device 3 comprises water distribution board 11 and water distributor 16, captation 6 is located at the bottom in the housing 1, captation 6 comprises water collection sheet 9 and water collector 15, resin extender layer 5 is located at the top of captation 6, the upper end of grease outlet 7 is located at the central point of captation 6 and is connected with the bottom of housing 1, the bottom of housing 1 also is provided with water outlet 8, the below of the water distribution board 9 of water-distributing device 3 is provided with spray equipment 10, and water collection sheet 11 is single-arc shaped plates of a carbon steel line with rubber.Water distribution board 9 is the unitary circular plates that are welded by the polylith steel plate.The plate face of water collection sheet 11 is provided with water collector open holes 13, and the center that water collector open holes 13 is evenly distributed on water collection sheet 11 is on the concentric(al) circles in the center of circle, and water collector 15 is fixed in the top of water collection sheet 11 by water collector open holes 13.Spray equipment 10 is the ring-type spray piping 18 of a root bottom part and side band spray apertures 20.Ring-type spray piping 18 connects washing water water inlet pipe B21, and the washing water fluid inlet 22 on the washing water water inlet pipe B21 is located at the top of housing 1.The plate face of water distribution board 9 is provided with water distributor open holes 12, arranges that in the mode that any water distributor open holes 12 all is evenly distributed on the concentric(al) circles that central point with water distribution board 9 is the center of circle water distributor 16 is fixed in the below of water distribution board 9 by water distributor open holes 12.The middle part of housing 1 is an elipse head for the right cylinder two ends.The middle part cylinder diameter of housing 1 is 3800mm.The inwall of housing 1 is provided with line with rubber preservative coat 14.
Embodiments of the invention 5: a kind of ion-exchange unit, comprise housing 1, water-in 2, water-distributing device 3, grease inlet 4, resin extender layer 5, captation 6, grease outlet 7 and water outlet 8, water-in 2 is located at the top of housing 1, water-distributing device 3 is located at the top in the housing 1, water-distributing device 3 comprises water distribution board 9 and water distributor 16, captation 6 is located at the bottom in the housing 1, captation 6 comprises water collection sheet 11 and water collector 15, resin extender layer 5 is located at the top of captation 6, the upper end of grease outlet 7 is located at the central point of captation 6 and is connected with the bottom of housing 1, the bottom of housing 1 also is provided with water outlet 8, the below of the water distribution board 9 of water-distributing device 3 is provided with spray equipment 10, and water collection sheet 11 is single-arc shaped plates of a carbon steel line with rubber.Water distribution board 9 is the circular slabs that are made of a monoblock steel plate.The plate face of water collection sheet 11 is provided with water collector open holes 13, and the center that water collector open holes 13 is evenly distributed on water collection sheet 11 is on the concentric(al) circles in the center of circle, and water collector 15 is fixed in the top of water collection sheet 11 by water collector open holes 13.Spray equipment 10 is the ring-type spray piping 18 of a root bottom part and side band spray apertures 20.Ring-type spray piping 18 connects washing water water inlet pipe B21, and the washing water fluid inlet 22 on the washing water water inlet pipe B21 is located at the top of housing 1 or is located at the side of housing 1.The plate face of water distribution board 9 is provided with water distributor open holes 12, arranges that in the mode that any water distributor open holes 12 all is evenly distributed on the concentric(al) circles that central point with water distribution board 9 is the center of circle water distributor 16 is fixed in the below of water distribution board 9 by water distributor open holes 12.The middle part of housing 1 is an elipse head for the right cylinder two ends.The middle part cylinder diameter of housing 1 is 4200mm.The inwall of housing 1 is provided with line with rubber preservative coat 14.
Through technician's long term studies and using in practice following results:
Can be drawn by last table, it is minimum that ion-exchange unit of the present invention is made cost of investment, and the transfer rate of exhausted resin filler is the highest.Because of exhausted resin and regeneration back resin will influence system water quality and system water cycle if any crossed contamination, so the transfer rate of exhausted resin is very crucial for the permanently effective operation of equipment, the transfer rate of the various way exhausted resins of Cai Yonging all can not be higher than 99.9% in the past, and researchist of the present invention is after experiment and research repeatedly, from tens kinds of schemes, finally selected this programme, the transfer rate of exhausted resin is reached more than 99.99%.
Principle of work of the present invention: resin is sent into ion-exchange unit by grease inlet 4, and resin purifies coming water to carry out desalination by ion-exchange, outwards carries after resin lost efficacy and regenerates.Carry the later stage at exhausted resin, washing water is drench with rain shape towards drench through trickle shower nozzle 17 or through washing water water inlet pipe B22 by the ring-type spray piping 18 that has spray apertures 20 by drip washing water inlet pipe A19, thereby the surface of the internal surface of drip washing housing 1 and water collector 15, the resin extender that remains in housing 1 internal surface and water collector 15 surfaces will be washed away fully, is together thoroughly discharged with the grease outlet 7 of the centre bottom of current by being positioned at water collection sheet 11.This equipment improves system water and has greatly improved system water quality in the time of the cycle again.In addition, the water collection sheet 11 of captation 6 adopts the single-arc shaped plate structure of steel lining glue, makes the manufacturing cost of every equipment than conventional ion switching equipment saving 20%, has greatly reduced equipment manufacturing cost.