CN109030761B - Seawater desalination detection device and use method - Google Patents
Seawater desalination detection device and use method Download PDFInfo
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- CN109030761B CN109030761B CN201810617144.XA CN201810617144A CN109030761B CN 109030761 B CN109030761 B CN 109030761B CN 201810617144 A CN201810617144 A CN 201810617144A CN 109030761 B CN109030761 B CN 109030761B
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- 239000013535 sea water Substances 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 77
- 239000012528 membrane Substances 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 239000012535 impurity Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011033 desalting Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0637—Moving support
- G01N15/0643—Moving support of the filter type
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- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a sea water desalination detection device and a use method thereof, comprising the following steps: the water containing pool is fixed on the table body and communicated with the water guide pipe and used for containing desalted seawater flowing in from the water guide pipe; the moving mechanism is positioned above the water containing pool and connected with the reverse osmosis membrane mechanism to drive the reverse osmosis membrane mechanism to move; the first detection mechanism comprises an ultra-white PE template, an LED lamp tube is arranged below the ultra-white PE template, and the second detection mechanism is used for detecting the PH value of the desalted seawater; the transparent cover is covered on the periphery of the water containing pool, and the seawater desalination detection device is high in automation degree, simple to operate, time-saving and labor-saving, and the water taking process cannot influence the detection result.
Description
Technical Field
The invention relates to the technical field of sea water desalting devices, in particular to a sea water desalting detection device and a sea water desalting detection method.
Background
The sea water desalination, i.e. the production of fresh water by utilizing sea water desalination, is an open source increment technology for realizing water resource utilization, can increase the total amount of fresh water, is not influenced by space time and climate, can ensure stable water supply of coastal resident drinking water, industrial boiler water supplementing and the like, and the process of obtaining fresh water from sea water is called sea water desalination, and the sea water desalination method used at present is a sea water freezing method, an electrodialysis method, a distillation method, a reverse osmosis method and an ammonium carbonate ion exchange method, and the application of a reverse osmosis membrane method and a distillation method is the main stream in the market at present.
The common sea water desalination detection device has the advantages of complex structure, complex operation, various detection contents, time and labor waste in detection, high detection cost, unfavorable popularization of the detection device, and incapability of being widely popularized, and the sea water desalination detection device with convenient detection, time saving and labor saving is urgently needed to be proposed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the seawater desalination detection device which is simple in detection process, time-saving and labor-saving, and can not influence the detection result when taking water.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a seawater desalination detection apparatus comprising:
the water containing pool is fixed on the table body and communicated with the water guide pipe and used for containing desalted seawater flowing in through the water guide pipe.
The moving mechanism is positioned above the water containing pool and connected with the reverse osmosis membrane mechanism to drive the reverse osmosis membrane mechanism to move.
The first detection mechanism comprises an ultra-white PE template, an LED lamp tube is arranged below the ultra-white PE template, when seawater impurities are moved to the upper side of the ultra-white PE template after the reverse osmosis membrane mechanism is subjected to entrained desalination, the LED lamp tube light passes through the ultra-white PE template to be changed into visible soft light, the visible soft light passes through the reverse osmosis membrane mechanism, the quality of the impurities on the surface of the reverse osmosis membrane mechanism is observed, and the seawater desalination effect is judged.
And the second detection mechanism is used for detecting the PH value of the desalted seawater.
The transparent cover is covered on the periphery of the water containing pool, so that the detection result is prevented from being influenced by external environment impurities.
Furthermore, the middle part of the water tank is provided with a groove, and the cross section of the groove is U-shaped.
Further, a first electromagnetic valve is arranged on a first connecting pipeline between the water guide pipe and the water containing tank, the bottom surface of the water containing tank is communicated with the water bucket through a second connecting pipeline, and a second electromagnetic valve is arranged on a second connecting pipeline.
Further, the moving mechanism comprises an air cylinder connected with the air pump, an air cylinder rod of the air cylinder is fixedly connected with the connecting plate, a shell of the air cylinder is fixedly connected with the supporting block, one end of the supporting block is provided with a first T-shaped sliding block, the T-shaped sliding block is embedded into a T-shaped sliding groove on the inner wall of the transparent cover, a rack is fixed on the inner wall of the transparent cover and meshed with a gear, the gear is connected with an output shaft of the motor, and the motor is fixed on the supporting block.
Further, the reverse osmosis membrane mechanism comprises a first bracket, one end of the first bracket is fixed on the connecting plate, the other end of the first bracket is fixed with a first reverse osmosis membrane, and side baffles are arranged at four edges of the first reverse osmosis membrane.
Further, the first detection mechanism comprises two super white PE templates, the two super white PE templates are fixed on a second support, the second support is fixed in a groove of a water containing pool, LED lamp tubes are arranged below the two super white PE templates and are fixed on the second support, and a second reverse osmosis membrane is arranged at the top of one super white PE template.
Further, second detection mechanism is including being fixed in the T type guide rail on the translucent cover inner wall, install second T type slider on the T type guide rail, second T type slider and first splint fixed connection, first splint and the cooperation of second splint press from both sides tight PH test paper, detect the sea water pH value after the desalination, and first splint have the draw-in groove, be equipped with on the second splint with draw-in groove looks adaptation's fixture block, through draw-in groove and fixture block cooperation, press from both sides tight PH test paper.
The invention also provides a use method of the sea water desalination detection device, which comprises the following steps:
step 1: the first electromagnetic valve is closed, the desalted seawater enters the external collecting device through the water guide pipe, and the desalted seawater is collected.
Step 2: the method comprises the steps of opening a first electromagnetic valve, enabling seawater to flow into a water containing tank after desalination, starting an air pump, enabling an air pump to control an air cylinder rod of an air cylinder to extend out to drive a reverse osmosis membrane mechanism to move downwards, enabling water in the water containing tank to flow through a first support, enabling the first reverse osmosis membrane to contain water to be detected, enabling the air cylinder rod to retract, enabling the first reverse osmosis membrane to rise above the water to be detected, enabling the water to be detected to pass through the first reverse osmosis membrane and fall into the water containing tank after a period of time, and enabling impurities in the water to be detected to be left on the surface of the first reverse osmosis membrane.
Step 3: starting a speed reducing motor, enabling a gear to move along a rack, driving a first reverse osmosis membrane to move to the position above an ultra-white PE template with no second reverse osmosis membrane arranged on the top, starting an LED lamp tube, enabling the bright light of the LED lamp tube to pass through the ultra-white PE template to become visible soft light, enabling the visible soft light to pass through the reverse osmosis membrane, and observing the impurity quantity on the surface of the reverse osmosis membrane.
Further, when the steps 2-3 are carried out, the second T-shaped sliding block is sleeved on the T-shaped guide rail, the PH test paper clamped by the first clamping plate and the second clamping plate can be contacted with water to be detected, and the PH value of the water to be detected can be detected through the PH test paper.
In step 3, the first reverse osmosis membrane is compared with the second reverse osmosis membrane which is not immersed in water, and the desalination effect of the seawater is judged.
The invention has the beneficial effects that:
according to the seawater desalination detection device, the air cylinder and the motor are adopted to drive the reverse osmosis membrane mechanism to act, so that automatic operation is realized, time and labor are saved, manual participation is not needed in the water taking process, all the test processes are carried out in the transparent cover, the first electromagnetic valve and the water guide pipe are utilized to collect detection water, and the influence of the external environment on the detection result in the water taking process is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a moving mechanism according to the present invention;
FIG. 3 is a schematic diagram of the reverse osmosis membrane mechanism of the present invention;
FIG. 4 is a schematic view of a first reverse osmosis membrane structure according to the present invention;
FIG. 5 is a schematic diagram of a second detecting mechanism according to the present invention;
FIG. 6 is a schematic diagram of the operation principle of the controller of the present invention;
the water storage tank comprises a water storage tank body 1, a water guide pipe 2, a transparent cover 3, a groove 4, a table body 5, a first connecting pipeline 6, a first electromagnetic valve 7, a support column 8, a second connecting pipeline 10, a water bucket 11, a second electromagnetic valve 12, an air pump 13, a cylinder 14, a connecting plate 15, a support block 16, a first T-shaped sliding block 17, a rack 18, a gear 19, a reduction motor 20, a first support frame 21, a L-shaped connecting plate 22, a first reverse osmosis membrane 23, a side baffle plate 24, an ultra-white PE template 25, a second support frame 26, an LED lamp tube 27, a second reverse osmosis membrane 28, a T-shaped guide rail 29, a second T-shaped sliding block 30, a connecting block 31, a first clamping plate 32, a second clamping plate 33, a PH test paper 34, a clamping block 35, a stop block 36 and a control switch.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
For convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As introduced by the background technology, the common sea water desalination detection device has the advantages of complex structure, complex operation, various detection contents, time and labor waste in detection, high detection cost, unfavorable popularization of the detection device, and incapability of being widely popularized, and the application provides the sea water desalination detection device aiming at the problems.
In an exemplary embodiment of the present application, as shown in fig. 1 to 6, a seawater desalination detection apparatus includes:
the water containing pool 1 is fixed on the table body 5 and communicated with the water guide pipe 2 for containing desalted seawater flowing in from the water guide pipe.
The moving mechanism is positioned above the water containing pool and connected with the reverse osmosis membrane mechanism to drive the reverse osmosis membrane mechanism to move.
The first detection mechanism comprises an ultra-white PE template, an LED lamp tube is arranged below the ultra-white PE template, when seawater impurities are moved to the upper side of the ultra-white PE template after the reverse osmosis membrane mechanism is carried and desalted, the LED lamp tube light passes through the ultra-white PE template to shift a visible soft tube, the visible soft light passes through the reverse osmosis membrane mechanism, the quality of the impurities on the surface of the reverse osmosis membrane mechanism is observed, and the seawater desalination effect is judged.
And the second detection mechanism is used for detecting the PH value of the desalted seawater.
And the transparent cover 3 is covered on the periphery of the water containing pool, so that the detection result is prevented from being influenced by external environment impurities.
The middle part of the water containing tank is provided with a groove 4, and the cross section of the groove is U-shaped.
Be equipped with first solenoid valve 7 on the first connecting pipeline 6 between aqueduct and the flourishing pond, the aqueduct still is connected with external collection device, can transport the sea water after the desalination through the aqueduct, can treat the detection water and collect when transporting through first solenoid valve, has improved the efficiency that the staff collected, and avoided collecting the in-process of waiting to detect water, polluted water, lead to detecting inaccuracy, the aqueduct is fixed in on the table body through support column 8, flourishing pond bottom surface communicates with cask 10 through second connecting pipeline 9, be equipped with second solenoid valve 11 on the second connecting pipeline, after the detection is accomplished, open the second solenoid valve, put into the cask with the water in the flourishing pond, prevent to cause the influence to the detection of next time.
The moving mechanism comprises an air cylinder 13 connected with an air pump 12, an air cylinder rod of the air cylinder is fixedly connected with a connecting plate 14, a shell of the air cylinder is fixedly connected with an L-shaped supporting block 15, a first T-shaped sliding block 16 is arranged at the end part of the supporting block, the T-shaped sliding block is embedded into a T-shaped sliding groove on the inner wall of a transparent cover 3, a rack 17 is fixed on the inner wall of the transparent cover and positioned below the supporting block, the rack is meshed with a gear 18, the gear is connected with an output shaft of a gear motor 19, and the gear motor is fixed on the supporting block.
The reverse osmosis membrane mechanism comprises a first support 20, one end of the first support is fixed on the connecting plate, the other end of the first support is fixed with a first reverse osmosis membrane 22 through four L-shaped connecting plates 21, water can be contained through the first reverse osmosis membrane, water molecules can pass through the first reverse osmosis membrane, impurities in the water cannot be observed clearly through observing the first reverse osmosis membrane after permeation, the impurity content in the water to be detected can be observed clearly, four corners of the first reverse osmosis membrane are fixed on the four L-shaped connecting plates, and side baffles 23 are arranged at four edges of the first reverse osmosis membrane.
The first detection mechanism comprises two super-white PE templates 24, the two super-white PE templates are fixed on a second support 25, the second support is fixed in a groove of a water containing pool, LED lamp tubes 26 are arranged below the two super-white PE templates, the LED lamp tubes are fixed on the second support, the brightness of the LED lamp tubes can be changed into visible soft light through the super-white PE templates, the brightness of a reverse osmosis membrane can be improved through the soft light, the surface of the reverse osmosis membrane can be observed more clearly by workers, a second reverse osmosis membrane 27 which is not immersed is arranged at the top of one super-white PE template, and the second reverse osmosis membrane which is not immersed can be convenient for the workers to compare the first reverse osmosis membrane after immersing, so that better judgment can be made.
The second detection mechanism comprises a T-shaped guide rail 28 fixed on the inner wall of the transparent cover, a second T-shaped slide block 29 is mounted on the T-shaped guide rail, the second T-shaped slide block is fixedly connected with a first clamping plate 31 through a connecting block 30, the first clamping plate is matched with a second clamping plate 32 to clamp PH test paper 33, the pH value of desalted seawater is detected, the first clamping plate is provided with a clamping groove, a clamping block 34 matched with the clamping groove is arranged on the second clamping plate, the PH test paper is clamped through the matching of the clamping groove and the clamping block, a stop block 35 is fixed at the bottom end of the T-shaped guide rail, the second T-shaped slide block is limited along the displacement of the T-shaped guide rail, and the second T-shaped slide block is prevented from being separated from the T-shaped guide rail.
The desk body is provided with a control switch 36 for sending instructions to the controller, and the controller is powered by an external power supply to control the work of the mechanisms such as the air pump, the gear motor, the first electromagnetic valve, the second electromagnetic valve, the LED lamp tube and the like.
The invention also provides a use method of the sea water desalination detection device, which comprises the following steps:
step 1: when the detection device is not in use, the first electromagnetic valve is closed, the desalted seawater enters the external collecting device through the water guide pipe to collect the desalted seawater,
step 2: when detecting the sea water desalination effect, open first solenoid valve through control switch, sea water flows into the flourishing pond through first connecting tube after the desalination, start the air pump, the cylinder pole of air pump control cylinder stretches out, the connecting plate drives first support and first reverse osmosis membrane downstream, water in the flourishing pond overflows first support, splendid attire is waited to detect water on the first reverse osmosis membrane, the cylinder pole is retracted, first reverse osmosis membrane all around side shield can prevent to wait to detect water and directly flow away, wait to detect water and put after a period, can pass first reverse osmosis membrane and fall into flourishing pond, first reverse osmosis membrane surface can leave the impurity of waiting to detect in the water.
Step 3: starting a gear motor, enabling a gear to move along a rack, driving a first reverse osmosis membrane to move to the position above an ultra-white PE template with no second reverse osmosis membrane arranged at the top, starting an LED lamp tube, enabling bright light of the LED lamp tube to pass through the ultra-white PE template 24 to be changed into visible soft light, enabling the visible soft light to pass through the reverse osmosis membrane, enabling staff to observe the impurity amount on the surface of the reverse osmosis membrane, judging the desalination effect of sea water desalination, enabling the second reverse osmosis membrane which is not immersed to be convenient for the staff to compare the first reverse osmosis membrane after immersing, and making better judgment.
And 2, carrying out step 3, sleeving a second T-shaped sliding block on the T-shaped guide rail by a worker, when the second T-shaped sliding block is sleeved on the T-shaped guide rail, enabling a first clamping plate arranged at the bottom of the second T-shaped sliding block and PH test paper clamped by the second clamping plate to be in contact with water to be detected, detecting the PH value of the water to be detected through the PH test paper, and taking down the second T-shaped sliding block, the first clamping plate and the second clamping plate after the detection is finished, and observing the PH test paper to obtain the PH value of the water to be detected.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (7)
1. A seawater desalination detection apparatus, comprising:
the water containing pool is fixed on the table body and communicated with the water guide pipe and used for containing desalted seawater flowing in from the water guide pipe;
the moving mechanism is positioned above the water containing pool and connected with the reverse osmosis membrane mechanism to drive the reverse osmosis membrane mechanism to move;
the first detection mechanism comprises an ultra-white PE template, an LED lamp tube is arranged below the ultra-white PE template, when seawater impurities carried by the reverse osmosis membrane mechanism after desalination move to the upper side of the ultra-white PE template, the LED lamp tube light passes through the ultra-white PE template to be changed into visible soft light, the visible soft light passes through the reverse osmosis membrane mechanism, the quality of the impurities on the surface of the reverse osmosis membrane mechanism is observed, and the seawater desalination effect is judged;
the second detection mechanism is used for detecting the PH value of the desalted seawater;
the transparent cover is covered on the periphery of the water containing pool;
the middle part of the water containing tank is provided with a groove, and the cross section of the groove is U-shaped;
the moving mechanism comprises an air cylinder connected with an air pump, an air cylinder rod of the air cylinder is fixedly connected with a connecting plate, a shell of the air cylinder is fixedly connected with a supporting block, one end of the supporting block is provided with a first T-shaped sliding block, the T-shaped sliding block is embedded into a T-shaped sliding groove on the inner wall of a transparent cover, a rack is fixed on the inner wall of the transparent cover and meshed with a gear, the gear is connected with an output shaft of a motor, and the motor is fixed on the supporting block;
the reverse osmosis membrane mechanism comprises a first bracket, one end of the first bracket is fixed on the connecting plate, the other end of the first bracket is fixed with a first reverse osmosis membrane, and side baffles are arranged at four edges of the first reverse osmosis membrane.
2. The seawater desalination detection apparatus as claimed in claim 1, wherein a first electromagnetic valve is provided on a first connection line between the water conduit and the water tank, the bottom surface of the water tank is connected to the water tank via a second connection line, and a second electromagnetic valve is provided on the second connection line.
3. The seawater desalination detection apparatus as claimed in claim 1, wherein the first detection means comprises two super white PE templates, the two super white PE templates are fixed on a second support, the second support is fixed in a groove of the water holding tank, an LED tube is arranged below the two super white PE templates, the LED tube is fixed on the second support, and a second reverse osmosis membrane is arranged at the top of one super white PE template.
4. The seawater desalination detection device as claimed in claim 1, wherein the second detection mechanism comprises a T-shaped guide rail fixed on the inner wall of the transparent cover, a second T-shaped slide block is mounted on the T-shaped guide rail, the second T-shaped slide block is fixedly connected with the first clamping plate, the first clamping plate and the second clamping plate are matched to clamp the PH test paper, the PH test paper is detected after desalination, the first clamping plate is provided with a clamping groove, a clamping block matched with the clamping groove is arranged on the second clamping plate, and the PH test paper is clamped through the clamping groove and the clamping block.
5. A method of using the desalination detection device of any one of claims 1-4, comprising the steps of:
step 1: the first electromagnetic valve is closed, the desalted seawater enters an external collecting device through a water guide pipe, and the desalted seawater is collected;
step 2: the method comprises the steps of opening a first electromagnetic valve, enabling seawater to flow into a water containing tank after desalination, starting an air pump, controlling an air cylinder rod of an air cylinder to extend out to drive a reverse osmosis membrane mechanism to move downwards, enabling water in the water containing tank to flow through a first bracket, enabling the first reverse osmosis membrane to contain water to be detected, retracting the air cylinder rod, enabling the first reverse osmosis membrane to rise above the water to be detected, enabling the water to be detected to pass through the first reverse osmosis membrane and fall into the water containing tank after a period of time, and enabling impurities in the water to be detected to be left on the surface of the first reverse osmosis membrane;
step 3: starting a gear motor, enabling a gear to move along a rack, driving a first reverse osmosis membrane to move to the position above an ultra-white PE template with no second reverse osmosis membrane arranged on the top, starting an LED lamp tube, enabling the bright light of the LED lamp tube to pass through the ultra-white PE template to be changed into visible soft light, enabling the visible soft light to pass through the reverse osmosis membrane, observing the impurity quality on the surface of the reverse osmosis membrane, and judging the desalination effect of seawater.
6. The method of claim 5, wherein the step 2-step 3 is performed while a second T-shaped slider is sleeved on the T-shaped guide rail, the PH test paper clamped by the first clamping plate and the second clamping plate is in contact with the water to be detected, and the PH value of the water to be detected is detected by the PH test paper.
7. The method according to claim 5, wherein in step 3, the first reverse osmosis membrane is compared with the second reverse osmosis membrane which is not immersed in water, and the desalination effect of the seawater is determined.
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| CN201810617144.XA CN109030761B (en) | 2018-06-15 | 2018-06-15 | Seawater desalination detection device and use method |
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| CN201810617144.XA CN109030761B (en) | 2018-06-15 | 2018-06-15 | Seawater desalination detection device and use method |
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