CN-224212548-U - Efficient ultrapure water equipment

Abstract

The utility model discloses ultrapure water equipment which comprises a raw water tank, a multi-stage filtering device, a first precise filter, a first booster pump, a first-stage RO host, a first pure water tank, a second booster pump, a second-stage RO host, a second pure water tank, a first delivery pump, a second precise filter, an EDI device, an ultrapure water tank, a second delivery pump and a polishing mixed bed which are sequentially connected together through pipelines, wherein a waste outlet of the first-stage RO host is connected with a concentrated water tank through a concentrated water pipe, a waste outlet of the second-stage RO host is connected with the raw water tank through a waste water pipe, a concentrated water return pipe is arranged between the concentrated water pipe and the first booster pump, the concentrated water return pipe is connected with a water inlet pipe of the first booster pump, a return valve is arranged on the concentrated water return pipe, the first-stage RO host and the second-stage RO host are separately arranged, the water pressure of reverse osmosis is guaranteed, the pure water yield is guaranteed, the blocking condition of a membrane is lightened, the service life of the membrane is prolonged, the pure water pressure delivered to the EDI device is improved, and the water yield of the EDI device is guaranteed.

Inventors

• LI ZEHONG

Assignees

• 浙江新伟环保设备有限公司

Dates

Publication Date

20260508

Application Date

20250528

Claims (9)

1. 1. The efficient ultrapure water equipment is characterized by comprising a raw water tank, a multi-stage filtering device, a first precise filter, a first booster pump, a first RO host, a first pure water tank, a second booster pump, a second RO host, a second pure water tank, a first delivery pump, a second precise filter, an EDI device, an ultrapure water tank, a second delivery pump and a polishing mixed bed which are sequentially connected together through pipelines, wherein a waste outlet of the first RO host is connected with the concentrated water tank through a concentrated water pipe, a waste outlet of the second RO host is connected with the raw water tank through a waste pipe, the first RO host is provided with a parallel module and a serial module, the parallel module at least comprises a first reverse osmosis module and a second reverse osmosis module, the serial module at least comprises a third reverse osmosis module and a fourth reverse osmosis module, the parallel module is connected with the serial module, and at least two reverse osmosis modules connected in series are arranged in the second RO host; Each reverse osmosis module comprises a pure water outlet and two dual-purpose ports, and the two dual-purpose ports can be respectively used as a concentrated water outlet or a raw water inlet; One of the two ports of the first reverse osmosis module and the second reverse osmosis module in the primary RO host is connected with a first booster pump to serve as a raw water inlet, the other two ports of the first reverse osmosis module and the second reverse osmosis module are connected in parallel to form a concentrated water outlet, the other two ports of the third reverse osmosis module are connected with one two ports of the fourth reverse osmosis module, the other two ports of the fourth reverse osmosis module are connected with a concentrated water tank, and the pure water outlets of the first reverse osmosis module, the second reverse osmosis module, the third reverse osmosis module and the fourth reverse osmosis module are connected in parallel and are connected with the first pure water tank; The pure water outlets of all reverse osmosis modules in the second-stage RO host are connected in parallel and then are connected with a second pure water tank, one dual-purpose port of the first reverse osmosis module is connected with a second booster pump, one dual-purpose port of the last reverse osmosis module is connected with a raw water tank, and the middle reverse osmosis modules are connected in series through two dual-purpose ports.
2. 2. A high-efficiency ultra-pure water device as set forth in claim 1, wherein a concentrated water return pipe is disposed between the concentrated water pipe and the first booster pump, and is connected to the water inlet pipe of the first booster pump, and a return valve is disposed on the concentrated water return pipe.
3. 3. The high-efficiency ultra-pure water apparatus according to claim 1, wherein the EDI device and the ultra-pure water tank are arranged between the UV sterilization device.
4. 4. A high-efficiency ultra-pure water device according to claim 3, wherein a pure water return pipe is arranged on a pipeline between the UV sterilization device and the ultra-pure water tank, the pure water return pipe is connected with the second pure water tank, and a valve is arranged on the pure water return pipe.
5. 5. A high-efficiency ultra-pure water device according to claim 1, wherein a TOC sterilization device is arranged between the second delivery pump and the polishing mixed bed.
6. 6. The high-efficiency ultra-pure water equipment according to claim 1, wherein a 0.22 μm filter is arranged on a water outlet pipe of the polishing mixed bed, and a water outlet pipe of the 0.22 μm filter is connected with a plurality of water using points and passes through a pipeline.
7. 7. The high-efficiency ultra-pure water device according to claim 1, wherein a residual chlorine reduction device is arranged on one side of the raw water tank.
8. 8. A high-efficiency ultra-pure water apparatus according to claim 1, wherein one side of the first pure water tank is provided with a pH adjusting device.
9. 9. The high-efficiency ultra-pure water device of claim 1, wherein a bypass pipe is arranged between the water inlet pipe and the water outlet pipe of the first booster pump and the second booster pump, a pressure valve is arranged on the bypass pipe, and pressure protection switches are arranged on the water inlet pipe and the water outlet pipe of the first booster pump and the second booster pump.

Description

Efficient ultrapure water equipment Technical Field The utility model belongs to the technical field of pure water treatment, and particularly relates to efficient ultrapure water equipment. Background In order to meet the requirements of high-precision analysis experiments and ultra-precision component production, ultrapure water is needed, namely, after raw water is purified through a plurality of reverse osmosis modules in an RO host, electrolytic ions in the pure water are further removed through electrodialysis and immediate exchange technology through an EDI device to form ultrapure water, but the reverse osmosis modules in the conventional RO host are all directly and purely connected in parallel or are purely and serially connected in a plurality, pretreatment water is simultaneously connected in parallel, the produced concentrated water is simultaneously connected with a concentrated water pipe and discharged into a concentrated water tank, but the reverse osmosis capability of a single reverse osmosis module is limited, the pretreatment water cannot be purified to the greatest extent, namely, the pure water extraction efficiency is low, the concentration of the concentrated water produced independently is relatively low, the reutilization value is also caused, most of the concentrated water is directly discharged into a sewer to cause waste, and when the reverse osmosis modules are purely connected in series, the water pressure in the reverse osmosis membrane is reduced step by step, so that the reverse osmosis capability of the following reverse osmosis modules is reduced, and the water yield is reduced. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides high-efficiency ultrapure water equipment, wherein a primary RO host and a secondary RO host are separately arranged, a plurality of reverse osmosis modules are connected in parallel and in series in the primary RO host, so that pure water can be produced from pre-treated water to the greatest extent, and the pure water production efficiency is improved. The technical scheme is that the high-efficiency ultrapure water equipment comprises a raw water tank, a multi-stage filtering device, a first precise filter, a first booster pump, a first RO host, a first pure water tank, a second booster pump, a second RO host, a second pure water tank, a first delivery pump, a second precise filter, an EDI device, an ultrapure water tank, a second delivery pump and a polishing mixed bed which are sequentially connected together through pipelines, wherein a waste outlet of the first RO host is connected with the concentrated water tank through a concentrated water pipe, a waste outlet of the second RO host is connected with the raw water tank through a waste pipe, the first RO host is provided with a parallel module and a serial module, the parallel module at least comprises a first reverse osmosis module and a second reverse osmosis module, the serial module at least comprises a third reverse osmosis module and a fourth reverse osmosis module, the parallel module is connected with the serial module, and the second RO host is at least provided with two reverse osmosis modules which are connected in series; Each reverse osmosis module comprises a pure water outlet and two dual-purpose ports, and the two dual-purpose ports can be respectively used as a concentrated water outlet or a raw water inlet; One of the two ports of the first reverse osmosis module and the second reverse osmosis module in the primary RO host is connected with a first booster pump to serve as a raw water inlet, the other two ports of the first reverse osmosis module and the second reverse osmosis module are connected in parallel to form a concentrated water outlet, the other two ports of the third reverse osmosis module are connected with one two ports of the fourth reverse osmosis module, the other two ports of the fourth reverse osmosis module are connected with a concentrated water tank, and the pure water outlets of the first reverse osmosis module, the second reverse osmosis module, the third reverse osmosis module and the fourth reverse osmosis module are connected in parallel and are connected with the first pure water tank; The pure water outlets of all reverse osmosis modules in the second-stage RO host are connected in parallel and then are connected with a second pure water tank, one dual-purpose port of the first reverse osmosis module is connected with a second booster pump, one dual-purpose port of the last reverse osmosis module is connected with a raw water tank, and the middle reverse osmosis modules are connected in series through two dual-purpose ports. Further, a concentrated water return pipe is arranged between the concentrated water pipe and the first booster pump, the concentrated water return pipe is connected to the water inlet pipe of the first booster pump, and a return valve is arranged on the concentrated water return