CN1017599B - Ion-exchang unit with a tube for input and output of resin - Google Patents

Abstract

The present invention belongs to a water treatment ion exchanger, particularly relates to an ion exchanger for softening water, pure water preparation and sewage treatment and a resin output and injection method of operation procedures. A resin output and injection tube is arranged between exchangers. Part of resin is output and injected into an exchanger freshly put into operation from a disabled exchanger, and the exchanger is full of resin so as to prevent the layer disordered problem. Suspended matters can be self-removed. The reuse of a protective layer resin with about 90% of exchange capacity saves the consumption of regeneration agents, increases the water output volume and increases the water output quality.

Description

Ion-exchang unit with a tube for input and output of resin

The invention belongs to the water treatment ion-exchanger, especially for demineralized water, the resin output method for implanting of the ion-exchanger of pure water preparation and sewage disposal and operation running.

Softened water for boiler, the at present ion-exchangers that adopt of pure water and sewage disposal more, the device of ion exchange resin promptly is housed in a container, it is that " return stroke type softener " these interchangers of 85200078 use operating process and method to be substantially: 1, exchange that this device can be divided into China Patent No. that " fixed bed " " floating bed " also have ownership " fixed bed ", 2, backwash, 3, regeneration, 4, displacement, 5, five processes such as cleaning.All resin interchanger can not be full of during these ion-exchanger operations, the water subfill of certain altitude must be left.So in the exchange process of interchanger, stop bed, open bed, in backwash process, in the regenerative process, can produce disorderly layer, the i.e. confusion of protective layer resin (2), working lining resin (3), zone of saturation resin (5), imaginary level in the cleaning process.General each ion-exchanger is after the water outlet of system water out is defective; still have exchange capacity about 80～90%, this part resin just to be not used together to be judged to " inefficacy " at protective layer resin (2) and also regenerate with regenerative agent simultaneously with lost efficacy 60% working lining resin (3) and 90% the zone of saturation resin (5) of losing efficacy.Because " floating bed " " return stroke type softener " be full of 80～90% with resin, owing in the water suspension is arranged, its interchanger can not wash out the suspension in the working lining and protective layer in its resin in the interchanger inner counter.General 20 to 30 cycles of operation must move to resin outside the interchanger cleans, and then reinstalls interchanger, otherwise resin strip and suspension can stop up interchanger, and import hydraulic pressure and outlet water pressure difference are increased, and finally is difficult to make water.

The objective of the invention is to provide a kind of improved ion-exchanger to reach, backwash process, regenerative process, replacement process, the method for resin output injection process between increase by one ion-exchanger in the cleaning process operation at exchange process.Particularly the output of the protective layer resin between ion-exchanger method for implanting solves the disorderly layer problem of each resin bed; The water inlet that resin strip or suspension too much produce and the differential pressure problem of delivery port; The protective layer resin utilize problem once more, save regenerant consumption, improve effluent characteristics.Increase the aquifer yield of same specification equipment.

Invention is achieved in that at ion-exchanger, 1, increase the method for resin output injection process in exchange, 2, backwash, 3, regeneration, 4, displacement, 5, the cleaning process, promptly the resin in the interchanger is exported the method for injecting another interchanger simultaneously in said process.The resin of its output is preferably protective layer resin (2) in the failed interchanger.Inject the water subfill (6) of another interchanger, serving as zone of saturation resin (5), also can be that the resin output in other level is injected, and makes the interchanger of another operation be full of resin, can prevent random layer, the resin of exchange capacity is utilized in another interchanger once more; Move the resin strip that to remove the suspension in the resin voluntarily and open form to the water outlet direction successively after the resin output, the pressure differential that reduces to import and export, the best unwatering not of interchanger keeps full water state in the whole operation process, guarantees the uniformity that resin contacts with liquid.

Concrete structure of the present invention and embodiment are by drawing with lower part and accompanying drawing.

Accompanying drawing is resin output injection method that proposes according to the present invention and the concrete structure that uses this method ion-exchanger.

Resin output injection method between ion-exchanger, the useful fixed-bed ion exchanger of its equipment, countercurrent regenerating fixed bed ion-exchanger, floating bed ion exchanger, and the return stroke type softener transformation of the way form.Its fixed bed and floating bed equipment have: ion-exchanger tank body (4); protective layer resin (2) working lining resin (3); zone of saturation resin (5), water subfill (6); quartz sand thickness (7); probe tube (11) in intake-outlet (8) body; intake-outlet has control high liquid sleeve pipe (1) at bottom Shi Ying; the anti-siphon probe tube (12) that is used for anti-siphon and sampling usefulness also can be installed on sleeve pipe, a dividing plate (13) or sleeve (13) can be arranged when being transformed into the equipment of injection method with return stroke type softener.

The present invention can be by the fixed bed of present use, and floating bed reaches and also can operate by original equipment after return stroke type softener is changed a social system and changed a social system, and handles very skillfully.With the transformation of the way of fixed bed, floating bed the time such as Fig. 1,2,3, at the water subfill (6) or the zone of saturation (5) of interchanger, and protective layer (2) resin place adds resin output ascending pipe (10), connects the resin output ascending pipe (10) of two or several interchangers.

When changing a social system with return stroke type softener; resin output ascending pipe (10) Fig. 4 can be installed on interchanger top; preferably change system into and be both the different Inlet and outlet water of the structure of modification Cheng Yuqi that goes out on enterprising with the Inlet and outlet water of return stroke type softener and be both down the structure that goes out down; the base and the both sides of its dividing plate (13) are welded; the top is opened wide and is not welded; and prevent the support (14) of snapping in dividing plate (13) two side welds; its water inlet discharging device all can adopt quartz sand thickness (7) structure; its output ascending pipe (10) can pass the zone of saturation resin to protective layer resin (2), also can arrange resin output ascending pipe (10) Fig. 5 outside interchanger.

The intake-outlet of above-mentioned interchanger; as preferably adopting when the bottom the high liquid level casing bit of control in the bigger pipe of a diameter, to overlap the less pipe of a diameter; the sampling of a path is shut or opened in the upper end in the bassoon top and with tubule such as Fig. 6 with anti-siphonage, and establish the measurable inefficacy terminal point of probe tube (11) in the vertical body in interchanger protective layer resin.On resin output ascending pipe, should some be that transparent visible resin is exported the transparent visor or the transparent section of injection situation, and the only water inlet of resin obstruction of on its pipe, setting up defences, this mouth can doublely be made loading and unloading pitch tube (9).

When this equipment of use, should enable another interchanger immediately behind the interchanger " inefficacy ".After enabling that the output of the resin in the interchanger after " inefficacy " is a part of; be preferably protective layer resin (2) injects another interchanger of just having enabled by resin output ascending pipe (10) water subfill; make another interchanger be full of resin; prevented the disorderly layer of exchange operational outfit; the ion-exchanger of going of stopping transport carries out (2) backwash; (3) regeneration drops into (1) exchange operation or standby after (4) displacement, (5) are cleaned, and repeats the aforesaid operations process after another interchanger lost efficacy.

Can establish a small-sized external scrubber as single cross parallel operation operation, treat behind the ion-exchanger " inefficacys " that wherein the part resin is exported the external scrubber of injection, interchanger is waited to finish.(2) backwash, (3) regeneration, (4) displacement after (5) cleaning process, is annotated the parallel operation of backcrossing with the resin of output when dropping into (1) exchange operation again.

Claims (2)

1, the output of the resin between ion-exchanger method for implanting, it comprises fixed bed, fixed bed counter-current regeneration, floating bed, return stroke type softener, and method of operating is exchange, backwash, regeneration, displacement, cleans, it is characterized by: the method that increases resin output injection process between an ion-exchanger in the said process.

2, the resin between ion-exchanger output method for implanting is characterized in that: the output of resin is injected by resin output ascending pipe (10) and is exported and inject another interchanger.

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