CN201914948U

CN201914948U - Anti-pollution reverse osmosis device

Info

Publication number: CN201914948U
Application number: CN2010206115383U
Authority: CN
Inventors: 姚晖
Original assignee: HUZHOU ANRUN FLUID EQUIPMENT CO Ltd
Current assignee: HUZHOU ANRUN FLUID EQUIPMENT CO Ltd
Priority date: 2010-11-09
Filing date: 2010-11-09
Publication date: 2011-08-03
Anticipated expiration: 2020-11-09

Abstract

The utility model relates to an anti-pollution reverse osmosis device; a suit of acid adding device and a suit of alkali adding device are arranged in the reverse osmosis device consisting of a high pressure pump, a reverse osmosis machine, a concentrated water pond, a water producing box and a washer pump, and specifically on the outlet pipeline of the washer pump, and are used for adding a little acid chemical or alkali chemical in the washing water when slight pollution appears in the reverse osmosis device in order to remove the pollutant in the reverse osmosis device and recover the performance of the reverse osmosis device. When pollution appears in the reverse osmosis device, the pollutant in the reverse osmosis device is small in attaching force and is easy to move; therefore, the performance can recovered by using a little washing liquid with low strength so that the reverse osmosis device is slightly damaged so as to effectively prolong the service life of the reverse osmosis device.

Description

Antipollution type reverse osmosis unit

Technical field

The utility model relates to a kind of reverse osmosis membrane desalting plant.

Background technology

It is comparatively general at present reverse osmosis unit to be used for desalination, characteristics such as water quality treatment wide ranges, effluent quality are good, energy-conserving and environment-protective that it has.But because reverse osmosis unit in use, though its water inlet is handled through pretreater, wherein always have some pollutents, its existence will be polluted reverse osmosis unit, cause the reverse osmosis unit degradation.In current reverse osmosis unit is used, be when obviously descending appears in its performance, just use a large amount of acidic chemicals or alkaline chemical, it is strengthened matting, to recover the performance of reverse osmosis unit; This is because when the reverse osmosis unit performance obviously descends, general its contaminants time is longer, its clinging power is also stronger, must use a large amount of high-intensity chemicals, just can reach satisfied cleaning performance, and the use of a large amount of high-intensity acidic chemicals or alkaline chemical will damage reverse osmosis unit to a certain extent, influence its work-ing life.

Summary of the invention

The purpose of this utility model is to provide a kind of antipollution type reverse osmosis unit, preventing the generation of reverse osmosis unit serious pollution, thereby reduces the speed of reverse osmosis unit degradation, the work-ing life of improving reverse osmosis unit.

Technical solution of the present utility model is: in the reverse osmosis unit that the high-pressure pump that is linked in sequence with pipeline, counter-osmosis device, dense pond, product water tank, flushing pump are formed, special on the outlet conduit of flushing pump, be provided with a cover and add a sour device and a cover adder-subtractor, make it produce light contamination at reverse osmosis unit, when performance has just begun to descend, just in the wash-down water of reverse osmosis unit, add a small amount of acidic chemical or alkaline chemical, to remove the pollutent on the reverse osmosis unit, recover the performance of reverse osmosis unit.

The beneficial effects of the utility model are, because when reverse osmosis unit has just begun to occur polluting, just according to the pollutant kind in the water inlet, wash-down water to reverse osmosis unit, utilization adds sour device or adder-subtractor, it is added the processing of a spot of acidic chemical or alkaline chemical, with the pollutent on the flushing reverse osmosis unit.Because when reverse osmosis unit has just begun to occur polluting, pollutent is lower at the sticking power of reverse osmosis unit, use a small amount of low intensive acidic chemical or alkaline chemical, just can obtain good developing result, the performance of reverse osmosis unit is restored, so just effectively reduce its degree of damage, thereby prolonged the work-ing life of reverse osmosis unit reverse osmosis unit.

Description of drawings

Accompanying drawing is the utility model overall structure synoptic diagram.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As accompanying drawing; Pretreated water (1) enters high-pressure pump (2), after high-pressure pump (2) pressurization, delivers to counter-osmosis device (3) by pump discharge pipe, after counter-osmosis device (3) is handled, the pure water of output enters pure water case (5) by pipeline, and the dense water after the processing is disposed to dense pond (4) by delivery pipe; Producing on water tank (5) outlet conduit, be provided with a flushing pump (6) simultaneously, be used to wash counter-osmosis device (3).In the utility model, especially on the outlet conduit of flushing pump (6), one cover is set adds sour device (7) and adder-subtractor (8), be used for when slight pollution appears in reverse osmosis unit, just the wash-down water to reverse osmosis unit adds acid or adds alkaline purification, to increase its developing result, removes the pollutent on the reverse osmosis unit, recover the performance of reverse osmosis unit, prolong the work-ing life of reverse osmosis unit.

Claims

1. antipollution type reverse osmosis unit, comprise high-pressure pump (2), counter-osmosis device (3), dense pond (4), product water tank (5) and flushing pump (6), it is characterized in that on the outlet conduit of flushing pump (6), be provided with a cover and add a sour device (7) and a cover adder-subtractor (8).