CN206330800U - Vacuum membrane distillation samples detection device - Google Patents

Abstract

The utility model is related to vacuum membrane distillation sampling detection device, can effectively solve the continuity and accuracy and time long problem used.The infiltration vapor outlet of membrane module is connected through flexible conduit through condenser pipe with the first port of receiving flask, second port of receiving flask is connected with vavuum pump, the third connectivity mouth of receiving flask is connected with the import of penetrating fluid sampling bottle, penetrating fluid sampling bottle bottom is equipped with quality meters, the outlet of the bottom of penetrating fluid sampling bottle goes out water bottle with ultra-pure water respectively, penetrating fluid test bottle is connected, ultrasonic transducer is housed on the outer bottom of penetrating fluid test bottle, electrical conductivity test probe is placed in penetrating fluid test bottle bottom, electrical conductivity test probe is connected with conductivity meter, conductivity meter is connected with data logger, data logger is connected with controller, the utility model structure novel and unique, it is easy to use, effect is good, high working efficiency.

Description

Vacuum membrane distillation sampling and testing equipment

technical field

The utility model relates to detection equipment, in particular to a vacuum membrane distillation sampling detection equipment.

Background technique

Membrane distillation technology has the advantages of both membrane and distillation methods. It has broad application prospects in seawater desalination, crystallization and separation, and water treatment. It has been widely used in scientific research institutes, especially vacuum membrane distillation due to its common The volume is relatively large and the application is wide, but due to the problems in the equipment structure, the operation is troublesome, and the sample needs to be collected in the middle. During the collection process, the vacuum pump needs to be turned off, the collection bottle needs to be removed, and the sample needs to be weighed and tested, which is time-consuming. It is very long, which will have a great impact on the continuity of the entire use process and the accuracy of the data, so improvement and innovation on the equipment is imperative.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the purpose of this utility model is to provide a vacuum membrane distillation sampling and testing equipment, which can effectively solve the problems of continuity, accuracy and long time of use.

The technical scheme solved by the utility model is that it includes a membrane module, a vacuum pump, a controller, a recorder and a solenoid valve. The second port of the collection bottle is connected with the vacuum pump, and the third port of the collection bottle is connected with the inlet of the permeate sampling bottle. The ultrapure water outlet bottle and the penetrant test bottle are connected. The outer bottom of the penetrant test bottle is equipped with an ultrasonic transducer. The conductivity test probe is placed in the lower part of the penetrant test bottle, and the conductivity test probe is connected to the conductivity meter. , the conductivity meter is connected with the data recorder, the data recorder is connected with the controller, the second port of the collection bottle is connected with the vacuum pump, and the fifth solenoid valve is installed on the pipeline connected with the vacuum pump, and the third port of the collection bottle is connected with the permeate A first electromagnetic valve is installed on the pipeline connected to the sampling bottle, a second electromagnetic valve is installed on the outlet of the lower end of the permeate sampling bottle, and a fourth electromagnetic valve is installed on the pipeline connecting the lower end outlet of the permeate sampling bottle with the ultrapure water outlet bottle , the lower outlet of the penetrant test bottle is equipped with a third solenoid valve, the first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth solenoid valve and the fifth solenoid valve are all connected with the controller to form an automatic solenoid valve. control structure.

The utility model is novel and unique in structure, easy to use, good in effect, can effectively solve work continuity and accuracy of detection data, has short time, high work efficiency, and good economic and social benefits.

Description of drawings

Fig. 1 is the structural front view of the present utility model.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.

As shown in Fig. 1, the utility model comprises a membrane module, a vacuum pump, a controller, a recorder and a solenoid valve, and the permeated vapor outlet 1-3 of the membrane module 1 passes through the condensation pipe 2 and the collecting bottle 3 through the flexible conduit 1-4. The first port 3-1 is connected, the second port 3-2 of the collection bottle 3 is connected with the vacuum pump 4, and the third port 3-3 of the collection bottle 3 is connected with the inlet of the permeate sampling bottle 5-2 , the lower end of the permeate sampling bottle 5-2 is equipped with a quality measuring instrument 5-3, and the outlet of the lower end of the permeate sampling bottle 5-2 is connected with the ultrapure water outlet bottle 5-6 and the permeate test bottle 5-4 respectively Pass, the outer bottom of the penetrant test bottle 5-4 is equipped with an ultrasonic transducer 5-5, the conductivity test probe 5-7 is placed in the lower part of the penetrant test bottle 5-4, and the conductivity test probe 5-7 is connected to the conductance test probe 5-7. The conductivity meter 5-1 is connected, the conductivity meter 5-1 is connected with the data recorder 8, the data recorder 8 is connected with the controller 7, and the second port 3-2 of the collection bottle 3 is connected with the vacuum pump 4 The fifth electromagnetic valve 6-5 is installed on the pipeline, the third port 3-3 of the collecting bottle 3 is connected with the permeate sampling bottle 5-2, and the first electromagnetic valve 6-1 is installed on the pipeline connected with the permeate sampling bottle 5-2. 2. A second solenoid valve 6-2 is installed on the outlet of the lower end, and a fourth electromagnetic valve 6-4 is installed on the pipeline connecting the outlet of the lower end of the permeate sampling bottle 5-2 with the ultrapure water outlet bottle 5-6. The third solenoid valve 6-3 is housed on the bottom outlet of the bottle 5-4, the first solenoid valve 6-1, the second solenoid valve 6-2, the third solenoid valve 6-3, the fourth solenoid valve 6-4 and the first solenoid valve 6-4. The five solenoid valves 6-5 are all connected with the controller to form an automatic control structure of the solenoid valve.

In order to ensure the use effect, the membrane module 1 is a plate-and-frame type; the upper part of the membrane module is provided with a raw material liquid inlet 1-1, a raw material liquid outlet 1-2, and a permeated vapor outlet 1-3 is arranged at the lower part;

The collection bottle 3 is spherical with 3 openings;

One end of the soft conduit 1-4 extending into the first port 3-1 is inclined 1-5;

Described controller 7 is program controller or single-chip microcomputer 8051 controller;

The conductivity meter 5-1, the permeate sampling bottle 5-2, the mass measuring instrument 5-3, the permeate test bottle 5-4, the ultrasonic transducer 5-5, the ultrapure water outlet bottle 5-6, The conductivity test probes 5-7 constitute a sampling detection system.

It can be seen from the above structure that the outlet of the permeated steam at the lower part of the membrane module of the utility model is connected with the first port 3-1 of the collecting bottle through the flexible conduit through the condenser tube, and the permeated steam is condensed by the condenser tube and then changes from gas to liquid Collect in the collection bottle, the collection bottle has three ports, one port is connected to the lower end of the condensation pipe, the other port is connected to the vacuum pump through the solenoid valve, and the third port is the permeate flow port, which is connected to the upper opening of the permeate sampling bottle through the solenoid valve. The permeate sampling bottle is placed on the quality measuring instrument. There is an opening at the bottom of the side wall of the permeate sampling bottle, and the upper end opening of the permeate detection bottle is connected through a solenoid valve. The bottom opening of the side wall of the permeate detection bottle is equipped with a solenoid valve. There is a conductivity test probe inside the bottle, which is connected to an external conductivity meter through a wire, and the conductivity displayed by the conductivity meter can be transmitted to the data logger.

An ultrapure water storage bottle is installed on the permeate detection bottle, which is connected to the upper opening of the permeate detection bottle through a solenoid valve, and an ultrasonic transducer is arranged on the outer bottom of the permeate detection bottle.

The working situation of the present utility model is, before the controller 7 works, it is necessary to set the sampling interval time t1, and the conductivity tester is turned on if the conductivity exceeds the upper limit alarm value. When the controller is started, the solenoid valve 6-5 is opened, and the vacuum pump 4 starts to evacuate. The brackish water passes through the vacuum membrane distillation component, generates steam on the permeate side, enters the condensation pipe through the steam pipe, and is condensed by the cold water in the condensation pipe. The steam cools into a liquid and enters the collection bottle 3. When the liquid in the collection bottle 3 reaches the level of the sampling port, the liquid will trigger the solenoid valve 6-1 to open, and at the same time trigger the timing component of the controller, and the liquid will start to flow into the permeate for sampling In the bottle 5-2, when the sampling interval time t1 set by the controller arrives, the mass measuring instrument (spring balance) 5-3 connected to the permeate sampling bottle 5-2 tests the quality of the liquid inside the permeate sampling bottle 5-2 , and transmit the data to the computer recorder 8, the sampling interval is automatically reset to zero, at the same time, the solenoid valve 6-1 is automatically closed, the solenoid valve 6-2 is opened, the liquid flows into the penetrant test bottle 5-4, and the conductivity test probe 5 -7 Test the conductivity of the liquid, the value is displayed on the display screen of the conductivity tester 5-1, and at the same time the conductivity data is transmitted to the computer recorder 8, and the solenoid valve 6-3 is started at the same time to drain the liquid, the solenoid valve 6 -3 closes automatically, the solenoid valve 6-4 opens, the water in the ultrapure water outlet bottle flows into the penetrant test bottle, closes the solenoid valve 6-4, and starts the ultrasonic transducer to clean the penetrant test bottle, and then opens it Solenoid valve 6-3 drains the cleaning liquid and closes the ultrasonic transducer. The controller automatically starts the next round of sampling test process.

If the conductivity value exceeds the upper limit set by the controller 7 during a certain sampling test, the solenoid valve 6-5 will be automatically closed, and the solenoid valve 6-5 together with the vacuum pump will stop running, and the work will be terminated.

The utility model can calculate the flux of the membrane module by setting the permeate sampling bottle to connect the quality measuring instrument, and can test the conductivity of the permeate by setting the permeate test bottle to connect the conductivity meter, and by setting the ultrapure water storage bottle and the ultrasonic transducer Connecting the penetrant test bottle can continuously clean the test bottle, the operation is very convenient, the sampling test is accurate, the time is short, the work efficiency is high, and it has good economic and social benefits.

Claims (7)

1. a kind of vacuum membrane distillation samples detection device, including membrane module, vavuum pump, controller, recorder and magnetic valve, it is special Levy and be, membrane module（1）Infiltration vapor outlet（1-3）Through flexible conduit（1-4）Through condenser pipe（2）With receiving flask（3）First Port（3-1）It is connected, receiving flask（3）The second port（3-2）With vavuum pump（4）It is connected, receiving flask（3）Third connectivity mouth （3-3）With penetrating fluid sampling bottle（5-2）Import be connected, penetrating fluid sampling bottle（5-2）Bottom is equipped with quality meters（5- 3）, penetrating fluid sampling bottle（5-2）The outlet of bottom go out water bottle with ultra-pure water respectively（5-6）, penetrating fluid test bottle（5-4）Phase Connection, penetrating fluid test bottle（5-4）Outer bottom on be equipped with ultrasonic transducer（5-5）, electrical conductivity test probe（5-7）It is placed in Penetrating fluid test bottle（5-4）In bottom, electrical conductivity test probe（5-7）With conductivity meter（5-1）It is connected, conductivity meter（5- 1）With data logger（8）It is connected, data logger（8）With controller（7）It is connected, receiving flask（3）The second port（3- 2）With vavuum pump（4）5th magnetic valve is housed on the pipeline being connected（6-5）, receiving flask（3）Third connectivity mouth（3-3）With infiltration Liquid sampling bottle（5-2）First magnetic valve is housed on the pipeline being connected（6-1）, penetrating fluid sampling bottle（5-2）In the outlet of bottom Equipped with the second magnetic valve（6-2）, penetrating fluid sampling bottle（5-2）Bottom outlet with ultra-pure water go out water bottle（5-6）The pipe of connection 4th magnetic valve is housed on road（6-4）, penetrating fluid test bottle（5-4）Lower part outlet on be equipped with the 3rd magnetic valve（6-3）, first Magnetic valve（6-1）, the second magnetic valve（6-2）, the 3rd magnetic valve（6-3）, the 4th magnetic valve（6-4）With the 5th magnetic valve（6-5） It is connected with controller, constitutes the automatic control structure of magnetic valve.

2. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described membrane module（1）For Plate and frame.

3. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described membrane module top is set There is material liquid entrance（1-1）, material liquid outlet（1-2）, bottom is provided with infiltration vapor outlet（1-3）.

4. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described receiving flask（3）For Have 3 opening it is spherical.

5. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described flexible conduit（1-4） Stretch into the first port（3-1）One end be inclined plane shape（1-5）.

6. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described controller（7）For Cyclelog or the controller of single-chip microcomputer 8051.

7. vacuum membrane distillation according to claim 1 samples detection device, it is characterised in that described conductivity meter（5- 1）, penetrating fluid sampling bottle（5-2）, quality meters（5-3）, penetrating fluid test bottle（5-4）, ultrasonic transducer（5-5）, it is ultrapure Water goes out water bottle（5-6）, electrical conductivity test probe（5-7）Constitute sample detecting system.