CN211061379U

CN211061379U - Automatic stirring of constant temperature and constant pressure adds mark testing arrangement

Info

Publication number: CN211061379U
Application number: CN201921482784.0U
Authority: CN
Inventors: 雷鸣
Original assignee: HEFEI RONGSHIDA WATER INDUSTRY EQUIPMENT CO LTD
Current assignee: HEFEI RONGSHIDA WATER INDUSTRY EQUIPMENT CO LTD
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-07-21
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses an automatic stirring of constant temperature and constant pressure add mark testing arrangement, including proof box, heat preservation storage water tank and filtrating collecting vessel, its characterized in that: vertical pump is installed at heat preservation storage water tank top, vertical pump leads to pipe and proof box and communicates with each other, the inside bottom left side of proof box installs pressure sensor, the proof box middle part is provided with reverse osmosis membrane and divides the proof box into about two intervals of equidimension, the reverse osmosis membrane right side is provided with the water proof sheet, fixed probe is installed to reverse osmosis membrane left side bottom, be provided with the probe that floats directly over the fixed probe, through the utility model discloses the device, control that can be quick advances membrane pressure, makes the waste water volume invariable, advances membrane pressure constancy, makes temperature, conductivity in standard range, and the temperature of different positions in the water tank, conductivity difference are less. The efficiency of test and test data accuracy have been improved.

Description

Automatic stirring of constant temperature and constant pressure adds mark testing arrangement

Technical Field

The utility model relates to a reverse osmosis membrane performance detection area, in particular to automatic stirring of constant temperature and constant pressure add mark testing arrangement.

Background

In the performance test of the reverse osmosis membrane, the test data is greatly influenced by factors such as waste water amount, pre-membrane pressure, membrane inlet water temperature, and in-water added standard substances, and for the reverse osmosis membrane test data to be more accurate, a test environment with constant temperature, constant pressure, water temperature and uniform water quality is required. At present, in the industry, the reverse osmosis membrane is tested by controlling the waste water amount and the water inflow to adjust the pressure before the membrane, and the water temperature is tested by heating a heating pipe and the like. However, the testing mode has the problems that the wastewater quantity and the water quantity entering the membrane are unstable, the water quantity control needs to be repeatedly measured, the control is difficult, the efficiency is low, the water temperature is unstable, the water temperature at the upper part in the water tank is high, the water temperature at the lower part in the water tank is low, and the distribution of the added standard substances in the water is not uniform.

Therefore, it is necessary to provide a labeling test device with constant temperature and pressure and automatic stirring to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic stirring of constant temperature and constant pressure adds mark testing arrangement to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic stirring of constant temperature and constant pressure add mark testing arrangement, includes proof box, heat preservation storage water tank and filtrating collecting vessel, its characterized in that: the utility model discloses a water-proof test box, including heat preservation storage water tank, vertical pump, test box, reverse osmosis membrane, water proof board, heating device, filtrating collecting vessel and test box, vertical pump is installed at heat preservation storage water tank top, vertical pump leads to pipe and communicates with each other with the test box, pressure sensor is installed to the bottom of the inside left side of test box, the test box middle part is provided with reverse osmosis membrane and divides the test box into about two intervals of equidimension, the reverse osmosis membrane right side is provided with the water proof board, fixed probe is installed to reverse osmosis membrane left side bottom, be provided with floating probe directly over the fixed probe, the test box upper plate incasement internally mounted in the middle of the reverse osmosis membrane left side region has the motor, the.

Preferably, the pressure sensor and the vertical pump controlled by the frequency converter supply water to the reverse osmosis membrane, and the requirement of constant pressure stabilization of the membrane inlet pressure is met by controlling the rotating speed of the vertical pump under the condition of constant wastewater amount.

Preferably, the fixed probe is installed on the base of the test box, the floating probe is installed on the water surface and used for detecting the water temperature and the electric conductivity in the water tank, when the difference value of the water temperature value or the electric conductivity value between the probes is larger than a set parameter, the stirring device is automatically opened for stirring (10-30) seconds, the water temperature of the upper part and the lower part of the water tank can be uniform through the device, the difference is small, the precipitation of the added standard substance can be avoided, and the added standard substance in the water tank is uniformly distributed.

The utility model discloses a technological effect and advantage: through the utility model discloses the device, control that can be quick advances membrane pressure, makes the waste water volume invariable, advances membrane pressure invariable, makes temperature, conductivity in standard range, and the temperature of different positions in the water tank, conductivity difference are less. The efficiency of test and test data accuracy have been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the system of the present invention.

In the figure: the device comprises a heat preservation water storage tank 1, a vertical pump 2, stirring fan blades 3, a rotating shaft 4, a test box 5, a motor 6, a floating probe 7, a reverse osmosis membrane 8, a water-stop sheet 9, a pressure sensor 10, a heating device 11, a fixed probe 12, a control switch 13 and a filtrate collecting barrel 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an automatic stirring of constant temperature and constant pressure add mark testing arrangement as shown in the figure, including proof box 5, heat preservation storage water tank 1 and filtrating collecting vessel 14, its characterized in that: the vertical pump 2 is arranged at the top of the heat preservation water storage tank 1, the heat preservation water storage tank 1 is used for keeping the temperature of the added standard water constant and reducing the influence on an experimental result due to the temperature change, the vertical pump 2 controls the rotating speed of the vertical pump by the cooperative work of the pressure sensor 10, the main control unit and the frequency converter, so that the water inflow in the test box 1 is controlled, the pressure on the reverse osmosis membrane 8 is ensured to be within a certain range, the influence caused by the pressure change is reduced, the vertical pump 2 is communicated with the test box 5 through a water pipe, the pressure sensor 10 is arranged at the bottom of the left inside of the test box 5 and used for controlling the water amount in the test box 1, the reverse osmosis membrane 8 is arranged in the middle of the test box 5 to divide the test box 5 into a left interval, a right interval and a left interval and a right interval, a water baffle plate 9 is arranged on, fixed probe 12 is installed to 8 left sides of reverse osmosis membrane bottoms, be provided with unsteady probe 7 directly over fixed probe 12, fixed probe 12 and unsteady probe 7 are used for detecting the electric conductivity of temperature and water, 6 upper plate casees internally mounted of proof box in the middle of the 8 left sides regions of reverse osmosis membrane have motor 6, 6 output ends of motor are fixed with axis of rotation 4, install stirring fan blade 3 in the axis of rotation 4 for stirring water makes the temperature even and prevent that the bid thing of aquatic from deposiing, heating device 11 is installed to 5 bottoms of proof box for keep the temperature invariable, install control switch 13 on the water pipe between filtrating collecting vessel 14 and the proof box 5.

Further, in the above technical solution, the pressure sensor 10 and the vertical pump 2 controlled by the frequency converter supply water to the reverse osmosis membrane, and the requirement of constant pressure stabilization of the membrane inlet pressure is achieved by controlling the rotation speed of the vertical pump 2 under the condition of constant wastewater amount.

Furthermore, in the technical scheme, a fixed probe 12 is installed on the base of the test box 5, a floating probe 7 is installed on the water surface and used for detecting the water temperature and the electric conductivity in the water tank, and when the difference value of the water temperature value or the electric conductivity value between the probes is larger than a set parameter, the stirring device is automatically opened for stirring (10-30) seconds, so that the water temperature of the upper part and the lower part of the water tank is uniform and small in difference, the precipitation of the added standard substance can be avoided, and the added standard substance in the water tank is uniformly distributed.

This practical theory of operation: the utility model discloses during operation at first add a certain amount of running water in reverse osmosis membrane right side inslot, then rotate through vertical pump and add the running water that adds the mark thing in the heat preservation water storage bucket to the left inslot of reverse osmosis membrane, when the water phase of the inslot of controlling is the same, open control switch and begin formal test stage, because the water of right side inslot is in the outflow, pressure sensor detects the change of pressure this moment, and will change and feed back to main control unit, main control unit passes to the converter with the processing command, the converter is through the rotational speed of control vertical pump, thereby the constancy of the interior water yield of proof box has been guaranteed, floating probe and fixed probe are at the conductivity of real-time supervision temperature and water at this moment, when detecting temperature and conductivity and changing, then will change signal transmission temperature controller with the signal further transmission main control unit, main control unit handles and issues the instruction and gives temperature controller, and then mobilize heating device start-up heating, when the temperature that floating probe and fixed probe detected differed, then can mobilize agitating unit start-up stirring and make the temperature even.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an automatic stirring of constant temperature and constant pressure add mark testing arrangement, includes proof box (5), heat preservation storage water tank (1) and filtrating collecting vessel (14), its characterized in that: the heat preservation water storage tank (1) is provided with a vertical pump (2) at the top, the vertical pump (2) is communicated with a test box (5) through a water pipe, a pressure sensor (10) is arranged at the bottom of the left inside of the test box (5), the middle part of the test box (5) is provided with a reverse osmosis membrane (8) to divide the test box (5) into two equal-size sections, the right side of the reverse osmosis membrane (8) is provided with a water-stop plate (9), the bottom of the left side of the reverse osmosis membrane (8) is provided with a fixed probe (12), a floating probe (7) is arranged right above the fixed probe (12), a motor (6) is arranged inside the upper plate box of the test box (5) in the middle of the left area of the reverse osmosis membrane (8), the output end of the motor (6) is fixed with a rotating shaft (4), a stirring fan blade (3) is arranged, a control switch (13) is arranged on a water pipe between the filtrate collecting barrel (14) and the test box (5).

2. The automatic stirring of constant temperature and constant pressure mark adding testing arrangement of claim 1, characterized in that: the pressure sensor (10) and the vertical pump (2) are electrically connected with the main control unit through leads.

3. The automatic stirring of constant temperature and constant pressure mark adding testing arrangement of claim 1, characterized in that: the test box is characterized in that a fixed probe (12) is installed on a base of the test box (5), a floating probe (7) is arranged on the water surface, and the fixed probe (12) and the floating probe (7) are electrically connected with the main control unit through a lead.