CN212701386U

CN212701386U - DTRO membrane experimental facilities

Info

Publication number: CN212701386U
Application number: CN202021266994.9U
Authority: CN
Inventors: 方丽娜; 王立江; 沈斌; 余天云; 周伟良; 范立航
Original assignee: Hangzhou Disc Filter Membrane Technology Co ltd
Current assignee: Hangzhou Disc Filter Membrane Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-16
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a DTRO membrane experimental facilities, including former water tank, washing water tank, raw water pump, security filter, high-pressure pump, DTRO membrane module, product water tank and dense water tank, former water tank loops through raw water pump, security filter and high-pressure pump intercommunication DTRO membrane module respectively with wasing the water tank, and the product water end through the DTRO membrane module communicates the product water tank, does not hold the intercommunication dense water tank through the dense water of DTRO membrane module. This DTRO membrane experimental facilities can be through detecting the desalination of intaking conductance and the water production conductance test DTRO membrane module to the model raw water, through detecting the rate of recovery of inflow and water production test water to whether the performance of accurate test DTRO membrane module satisfies the filtration requirement, the accessible washs the water tank and washs DTRO membrane module and experimental facilities whole return circuit after detecting the completion simultaneously.

Description

DTRO membrane experimental facilities

Technical Field

The utility model relates to a DTRO membrane test field especially relates to a DTRO membrane experimental facilities.

Background

A DTRO membrane (a disc tube reverse osmosis membrane) is a form of reverse osmosis, which is a membrane module specially used for treating high-concentration sewage. The DTRO membrane needs to carry out the detection of filtration condition performance to the membrane before leaving the factory, and the existing DTRO membrane detection device has a complex structure and cannot realize accurate detection.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model designs a DTRO membrane experimental facilities.

The utility model adopts the following technical scheme:

a DTRO membrane experimental device comprises a raw water tank, a cleaning water tank, a raw water pump, a security filter, a high-pressure pump, a DTRO membrane assembly, a water production tank and a concentrated water tank, wherein the raw water tank and the cleaning water tank are respectively communicated with the DTRO membrane assembly through the raw water pump, the security filter and the high-pressure pump in sequence, the water production end of the DTRO membrane assembly is communicated with the water production tank, the concentrated water end which does not pass through the DTRO membrane assembly is communicated with the concentrated water tank, electric control valves are respectively communicated between the raw water tank, the cleaning water tank and the raw water pump, a conductivity meter, a flow sensor and a pressure meter are communicated between the raw water pump and the security filter, a pressure meter, a temperature sensor and a pressure sensor are communicated between the security filter and the high-pressure pump, a pressure meter and a pressure sensor are communicated between the high-pressure pump and the DTRO membrane assembly, a flow sensor and a conductivity, Conductivity meters and flow sensors.

Preferably, the water production end of the DTRO membrane assembly is externally connected with a return pipe to be communicated with the raw water tank and the cleaning water tank, and the return pipe is connected with an electric control valve.

Preferably, the concentrated water end which does not pass through the DTRO membrane module is externally connected with a return pipe to be communicated with the raw water tank and the cleaning water tank, and the return pipe is connected with an electric control valve, a flowmeter and a heat exchanger.

Preferably, the raw water tank and the cleaning water tank are respectively connected with a liquid level switch.

Preferably, the cleaning water tank is communicated with a water purifying pipe, and the raw water tank is communicated with a raw liquid replenishing pipe through an electric control valve.

Preferably, an accumulator is connected between the high-pressure pump and the DTRO membrane module.

Preferably, a safety valve is connected between the high-pressure pump and the DTRO membrane module.

The utility model has the advantages that: this DTRO membrane experimental facilities can be through detecting the desalination of intaking conductance and the water production conductance test DTRO membrane module to the model raw water, through detecting the rate of recovery of inflow and water production test water to whether the performance of accurate test DTRO membrane module satisfies the filtration requirement, the accessible washs the water tank and washs DTRO membrane module and experimental facilities whole return circuit after detecting the completion simultaneously.

Drawings

Fig. 1 is a pipeline connection diagram of the present invention;

in the figure: 1. raw water tank, 2, cleaning water tank, 3, clear water pipe, 4, product water tank, 5, concentrated water tank, 6, raw liquid replenishing pipe, 7, electric control valve, 8, raw water pump, 9, security filter, 10, high pressure pump, 11, DTRO membrane module, 12, conductivity meter, 13, flow sensor, 14, pressure meter, 15, temperature sensor, 16, pressure sensor, 17, flowmeter, 18, heat exchanger, 19, energy accumulator, 20, safety valve, 21, liquid level switch.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b): as shown in the attached figure 1, the DTRO membrane experimental equipment comprises a raw water tank 1, a cleaning water tank 2, a raw water pump 8, a security filter 9, a high-pressure pump 10, a DTRO membrane assembly 11, a water production tank 4 and a thick water tank 5, wherein the raw water tank and the cleaning water tank are respectively communicated with the DTRO membrane assembly through the raw water pump, the security filter and the high-pressure pump in sequence, the water production end of the DTRO membrane assembly is communicated with the water production tank, the thick water end which does not pass through the DTRO membrane assembly is communicated with the thick water tank, electric control valves 7 are respectively communicated between the raw water tank, the cleaning water tank and the raw water pump, a conductivity meter, a flow sensor and a pressure meter are communicated between the raw water pump and the security filter, a pressure meter, a temperature sensor 15 and a pressure sensor 16 are communicated between the security filter and the high-pressure pump, a pressure meter and a pressure sensor are communicated between the DTRO, a pressure gauge 14, a pressure sensor, a conductivity meter and a flow sensor are communicated between the DTRO membrane module and the concentrated water tank. The water production end of the DTRO membrane component is externally connected with a return pipe which is respectively communicated with the raw water tank and the cleaning water tank, and the return pipe is connected with an electric control valve. The external return pipe of the concentrated water end which does not pass through the DTRO membrane component is respectively communicated with the raw water tank and the cleaning water tank, and the return pipe is connected with an electric control valve, a flowmeter 17 and a heat exchanger 18. The raw water tank and the cleaning water tank are respectively connected with a liquid level switch 21. The cleaning water tank is communicated with a water purifying pipe 3, and the original water tank is communicated with an original liquid supplementing pipe 6 through an electric control valve. An energy accumulator 19 is connected between the high-pressure pump and the DTRO membrane module. A relief valve 20 is connected between the high pressure pump and the DTRO membrane module.

When this DTRO membrane experimental facilities used, raw water carried through the raw water pump in the former water tank carries through the cartridge filter prefilter, prevents that large granule impurity from getting into the membrane, provides last one guarantee for the DTRO membrane module, then will prefilter the raw water with the high pressure and filter through the DTRO membrane module, and the membrane module effluent divide into two parts: concentrated water and produced water. The concentrated water end is provided with a servo control valve for controlling the pressure in the membrane group, and the produced water and the concentrated water can be refluxed or discharged according to the requirement. The desalination rate of the DTRO membrane assembly is tested by detecting the water inlet conductivity and the water production conductivity, and the recovery rate of water is tested by detecting the water inlet amount and the water production amount, so that whether the performance of the DTRO membrane assembly meets the filtering requirement or not is accurately tested, and meanwhile, the whole loop of the DTRO membrane assembly and the experimental equipment can be cleaned by a cleaning water tank after the detection is finished.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.

Claims

1. The DTRO membrane experimental equipment is characterized by comprising a raw water tank, a cleaning water tank, a raw water pump, a security filter, a high-pressure pump, a DTRO membrane component, a water production tank and a concentrated water tank, wherein the raw water tank and the cleaning water tank are respectively communicated with the DTRO membrane component through the raw water pump, the security filter and the high-pressure pump in sequence, the water production end of the DTRO membrane component is communicated with the water production tank, the concentrated water end which does not pass through the DTRO membrane component is communicated with the concentrated water tank, electric control valves are respectively communicated among the raw water tank, the cleaning water tank and the raw water pump, a conductivity meter, a flow sensor and a pressure meter are communicated between the raw water pump and the security filter, the pressure meter, a temperature sensor and a pressure sensor are communicated between the security filter and the high-pressure pump, the pressure meter and the pressure sensor are communicated between the high-pressure pump and the DTRO membrane component, the flow, Pressure sensors, conductivity meters, and flow sensors.

2. The DTRO membrane experimental facility as claimed in claim 1, wherein the water production end of the DTRO membrane module is externally connected with a return pipe which is respectively communicated with the raw water tank and the cleaning water tank, and the return pipe is connected with an electric control valve.

3. The DTRO membrane experimental facility as claimed in claim 1, wherein the return pipe is connected to the concentrate end of the DTRO membrane module and is connected to the raw water tank and the cleaning water tank, respectively, and the return pipe is connected to an electric control valve, a flow meter and a heat exchanger.

4. The DTRO membrane experimental facility of claim 1, wherein the raw water tank and the clean water tank are respectively connected with a liquid level switch.

5. The DTRO membrane experiment apparatus as claimed in claim 1, wherein the cleaning water tank is connected to a clean water pipe, and the raw water tank is connected to a raw liquid replenishing pipe through an electrically controlled valve.

6. The DTRO membrane experimental apparatus of claim 1, wherein an accumulator is connected between the high-pressure pump and the DTRO membrane module.

7. The DTRO membrane experimental facility of claim 1, wherein a safety valve is connected between the high pressure pump and the DTRO membrane module.