CN114920583A - Efficient desalting and inspection integrated device for calcareous sand and use method thereof - Google Patents
Efficient desalting and inspection integrated device for calcareous sand and use method thereof Download PDFInfo
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- CN114920583A CN114920583A CN202210514328.XA CN202210514328A CN114920583A CN 114920583 A CN114920583 A CN 114920583A CN 202210514328 A CN202210514328 A CN 202210514328A CN 114920583 A CN114920583 A CN 114920583A
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- 239000004576 sand Substances 0.000 title claims abstract description 101
- 238000007689 inspection Methods 0.000 title claims abstract description 34
- 238000011033 desalting Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000012528 membrane Substances 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 150000001450 anions Chemical class 0.000 claims abstract description 26
- 150000001768 cations Chemical class 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000010612 desalination reaction Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 15
- 239000002351 wastewater Substances 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 239000012466 permeate Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 238000005370 electroosmosis Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 salt ions Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a calcareous sand efficient desalting and inspection integrated device and a using method thereof. Belongs to the field of rock and soil media, and comprises a stirring electroosmosis desalination system: the left side of the sand tank is connected with a water inlet pipe, and the right side of the sand tank is connected with a detection tank; a stirring rod of the stirring device is embedded in the sand tank; the anion membrane and the cation membrane are respectively attached to two sides of the two partition plates; the clapboard is provided with a water flowing channel and a water collecting hole; the anode electrode is arranged at the outer side inside the anode treatment pool, and the cathode electrode is arranged at the outer side inside the cathode treatment pool; the device is connected with a direct current power supply through a lead, so that anions permeate an anion membrane to enter an anode treatment pool, and cations permeate a cation membrane to enter a cathode treatment pool; the inspection system: the inspection groove is connected with the sand groove, the resistance testing equipment is connected with the copper sheets on the two sides of the inspection groove through the conducting wires, and when the reading number reaches 0.01ds/m, an ideal desalting effect is achieved. The method can realize high-efficiency removal of salt in the calcareous sand and test the effect, and has the characteristics of stability, high efficiency and sustainability.
Description
Technical Field
The invention belongs to the field of rock-soil media, and relates to a calcareous sand efficient desalting and testing integrated device and a using method thereof.
Background
In the prior art, calcareous sand is a special rock-soil medium with calcium carbonate content higher than 50%, particles have high porosity ratio, and in a seawater environment for a long time, the pores of the particles also adsorb more salt ions, so that the island construction is particularly important along with implementation of a marine resource development strategy.
The fresh water underground is an important factor for ecological environment construction of the island, and the calcareous sandy soil has high salt content and seriously hinders the survival of animals and plants on the island. Under the natural state, the rainwater infiltration depth is shallow and the rainwater is easy to evaporate, so that the island reef underground water is not easy to desalt, and the desalting degree of the calcareous sand directly influences and even determines the desalting level of the underground water body. Meanwhile, as the blown-filled artificial island reef has high salt content and needs to undergo a long process of rainwater desalination in nature, artificial efficient desalination and detection effects are explored, and the method has positive significance on formation of underground fresh water.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an efficient desalting and inspection integrated device for calcareous sand and a using method thereof, and the device can be used for efficiently desalting the calcareous sand and inspecting the desalting effect of the calcareous sand.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a calcareous sand efficient desalting and inspection integrated device which comprises a sand tank (1), a stirring device (2), a telescopic support (3), an anode electrode (4), a cathode electrode (5), a conveying device (6), a direct current power supply (7), a lead (8), an anion membrane (9), a cation membrane (10), a partition plate (11), a water inlet pipe (12), a first valve (1201), a water inlet filter screen (13), a first water outlet pipe (14), a first water outlet pipe valve (1401), a water outlet filter screen (1402), a resistance testing device (15), an anode treatment tank (16), a cathode treatment tank (17), an inspection tank (18), a copper sheet (19), a second water outlet pipe (20), a second water outlet valve (2001) and a wastewater collection tank (21);
the invention specifically comprises the following steps: comprises a sand tank (1), and an anode treatment tank (16) and a cathode treatment tank (17) which are arranged at the front side and the rear side of the sand tank (1);
a water inlet is formed in the left side plate of the sand tank (1), a water inlet pipe (12) is installed in the water inlet, and a first water outlet pipe (14) is installed on the right side plate of the sand tank (1);
a stirring device (2) is arranged at the bottom end inside the sand tank (1), the stirring device (2) comprises 3 stirring rods, and two ends of the 3 stirring rods are embedded in the sand tank (1) and below the water inlet pipe (12) and the first water outlet pipe (14);
a partition plate (11) is respectively arranged between the sand tank (1) and the anode treatment tank (16) and between the sand tank and the cathode treatment tank (17), and the two partition plates (11) are clamped in clamping grooves which are respectively connected with the anode treatment tank (16) and the cathode treatment tank (17) in the sand tank (1);
a water flowing channel (1101) and a water collecting hole (1102) are formed in the partition plate (11);
an anion membrane (9) is embedded at one side of one clapboard (11) facing the anode treatment tank (16),
a cation membrane (10) is embedded at one side of the other partition plate (11) facing the cathode treatment tank (17), and the cation membrane (10) and the anion membrane (9) are respectively attached to two sides of the two partition plates (11);
an anode electrode (4) is arranged on the inner wall of the anode treatment pool (16) at the side opposite to the anion membrane (9),
a cathode electrode (5) is arranged on the inner wall of the cathode treatment pool (17) at the side opposite to the cation membrane (10);
the anode electrode (4) and the cathode electrode (5) are connected to a direct current power supply (7) through a lead (8).
Furthermore, a first valve (1201) is arranged on the water inlet pipe (12), and a water inlet filter screen (13) is arranged at a water inlet which is formed by connecting the water inlet pipe (12) and the sand tank (1);
the outer end of the first water outlet pipe (14) is connected with a detection groove (18);
a first water outlet pipe valve (1401) is arranged on the first water outlet pipe (14),
a water outlet filter screen (1402) is arranged at a water outlet of the first water outlet pipe (14) connected with the inspection groove (18).
Further, a second water outlet pipe (20) is arranged at the other end of the inspection groove (18);
a second water outlet valve (2001) is arranged on the second water outlet pipe (20), and a waste water collecting tank (21) is also arranged on the other side of the second water outlet pipe (20);
two copper sheets (19) are respectively arranged on two opposite inner walls in the detection groove (18), and the two copper sheets (19) are connected with the resistance testing equipment (15) through connecting wires;
when the resistivity of the sample reaches 0.01ds/m, the calcium sand sample achieves the ideal desalting effect.
Furthermore, a conveying device (6) is arranged on the sand tank (1).
Furthermore, two telescopic brackets (3) are respectively arranged at the bottom ends of the outer walls of the anode treatment tank (16) and the cathode treatment tank (17);
the telescopic support (3) is made of rigid materials.
Furthermore, the anode electrode (4) is made of graphite material, and the cathode electrode (5) is made of stainless steel material;
the partition plate is made of a 1-2 mm hard polyvinyl chloride plate.
Furthermore, the sand tank (1) is made of organic glass material;
the two ends of the stirring rod are telescopic, a bulge is arranged at the rod body of the stirring rod, and the stirring rod is made of rubber materials.
Furthermore, the water inlet filter screen (13) and the water outlet filter screen (1402) are both made of nylon materials.
Further, a using method of the integrated device for efficient desalting and detecting calcareous sand comprises the following specific operation steps:
step (1), inserting a partition plate (11), an anion membrane (9) and a cation membrane (10) into corresponding notches respectively, placing an anode electrode (4) and a cathode electrode (5) on two sides of an anode treatment pool (16) and a cathode treatment pool (17) respectively, and connecting the two electrodes with a direct current power supply (7) through a lead (8); then inserting the stirring device (2) into a notch formed in the sand tank (1), and closing all valves;
step (2), the calcareous sand is loaded into a sand tank (1) through a conveying device (6), a first valve (1201) is opened, and distilled water is pumped into the sand tank (1) at a constant flow rate; starting the stirring device (2), and stirring the calcareous sand sample at a low-frequency rotating speed to dissolve salt in pores in the calcareous sand into the solution;
step (3), the first valve (1201) is closed, the direct current power supply (7) is turned on, and the direct current power supply is powered on for 10 minutes, so that salt in the solution in the sand tank (1) is ionized into anions and cations which respectively enter the corresponding anode treatment tank (16) and the corresponding cathode treatment tank (17) through the anion membrane (9) and the cation membrane (10);
and (4) opening a first water outlet valve (1401), enabling water in the sand tank (1) to flow into the inspection tank (18), closing the first water outlet valve (1401), then opening the resistance testing equipment (15), controlling the voltage at two ends to be 1v, observing the reading of the resistance testing equipment (15), when the resistivity of the solution in the inspection tank (18) reaches 0.01ds/m, indicating that the desalination is finished, opening all valves, disassembling the stirring device (2) and taking out the calcareous sand sample.
Has the beneficial effects that: compared with the prior art, the invention has the characteristics that: 1. the operation difficulty is low; 2. the device is provided with a conveying device and can be used for desalting a large amount of calcareous sand; 3. the desalting effect can be checked in real time.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of a stirring apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the separator of the present invention;
in the figure, 1 is a sand tank, 2 is a stirring device, 3 is a telescopic support, 4 is an anode electrode, 5 is a cathode electrode, 6 is a conveying device, 7 is a direct-current power supply, 8 is a lead, 9 is an anion membrane, 10 is a cation membrane, 11 is a partition plate, 12 is a water inlet pipe, 1201 is a first valve, 13 is a water inlet filter screen, 14 is a first water outlet pipe, 1401 is a first water outlet pipe valve, 1402 is a water outlet filter screen, 15 is a resistance testing device, 16 is an anode treatment tank, 17 is a cathode treatment tank, 18 is a testing tank, 19 is a copper sheet, 20 is a second water outlet pipe, 2001 is a second water outlet valve, and 21 is a wastewater collection tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in the figure, the integrated device for efficiently desalting and detecting calcareous sand and the using method thereof comprise a stirring electroosmosis desalting system and a detecting system;
the stirring electroosmosis desalination system comprises a sand tank 1, a stirring device 2, a telescopic support 3, an anode electrode 4, a cathode electrode 5, a conveying device 6, a direct-current power supply 7, a lead 8, an anion membrane 9, a cation membrane 10, a partition plate 11, a water inlet pipe 12, a first valve 1201, a water inlet filter screen 13, a first water outlet pipe 14, a first water outlet pipe valve 1401, a water outlet filter screen 1402, an anode treatment tank 16 and a cathode treatment tank 17:
wherein, the sand tank 1 is made of organic glass material, and the left side of the sand tank is connected with the water inlet pipe 12; the right side is connected with a detection groove 18 through a first water outlet pipe 14;
wherein, the two ends of the stirring rod of the stirring device 2 are provided with free telescopic functions and are embedded below the water inlet pipe 12 and the first water outlet pipe 14 of the sand tank 1;
wherein, the anion membrane 9 and the cation membrane 10 are respectively mutually jointed with two sides of two clapboards 11;
wherein, a water flow channel 1101 and a water collection hole 1102 are arranged on the clapboard 11;
wherein, the anode electrode 4 is arranged outside the anode treatment pool 16, and the cathode electrode 5 is arranged outside the cathode treatment pool 17; the two electrodes are connected with a direct current power supply 7 through a lead 8;
wherein, the anode treatment pool 16 is used for treating anions which permeate through the anion membrane 9 during electrification, and the cathode treatment pool 17 is used for treating cations which permeate through the cation membrane 10 during electrification;
the inspection system comprises a resistance test device 15, an inspection groove 18, a copper sheet 19, a second water outlet pipe 20, a second water outlet valve 2001 and a wastewater collection tank 21:
the inspection tank 18 is connected with the sand tank 1 through a second water outlet pipe 20; the resistance testing device 15 is connected by wires to copper sheets 19 on both sides of the test slot 18.
Furthermore, the sand tank 1 is provided with a water inlet pipe 12 on the left side, and the right side is connected with a detection tank 18 through a first water outlet pipe 14.
Further, the anode electrode 4 is made of graphite material, and the cathode electrode 5 is made of stainless steel material; the function of the device is to connect the internal and external circuits, and a uniform direct current electric field is formed in the sand tank 1.
Further, the partition plate 11 is made of a hard polyvinyl chloride plate with the thickness of 1-2 mm; the water chamber is formed between the two films to form a water flowing channel, and the water chamber plays a role in distributing water and collecting water.
Furthermore, the two ends of the stirring device 2 are telescopic and embedded at the two sides of the sand tank 1, and the rod body is provided with bulges and is made of rubber materials.
Further, the water inlet filter screen 13 and the water outlet filter screen 1402 are both made of nylon materials and are used for preventing calcareous sand from being carried out.
Further, the telescopic bracket 3 is made of rigid materials and plays a role in adjusting the sand tank 1 to be horizontal.
Furthermore, the resistance testing device 15 is used for testing the desalting effect through the conducting wires and copper sheets 19 on two sides of the testing groove 18, and when the resistivity of the resistance testing device reaches 0.01ds/m, the ideal desalting effect of the calcareous sand sample is achieved.
Further, a using method of the integrated device for efficient desalting and testing of calcareous sand comprises the following specific operation steps:
step one, inserting a partition plate 11, an anion membrane 9 and a cation membrane 10 into corresponding notches respectively, placing two electrodes on two sides of an anion treatment tank 17 and an cation treatment tank 16 respectively, and connecting the two electrodes with a direct current power supply 7 through a lead 8; then inserting the stirring device 2 into the notch formed in the sand tank 1, and closing all valves;
secondly, filling the calcareous sand into the sand tank 1 through the conveying device 6, opening the first valve 1201 and pumping the distilled water into the sand tank 1 at a fixed flow rate; starting the stirring device 2, and stirring the calcareous sand sample at a low-frequency rotating speed so that salt in pores in the calcareous sand can be fully dissolved into the solution;
step three, closing the first valve 1201, opening the direct current power supply 7, electrifying for 10 minutes, and enabling salt in the solution in the sand tank 1 to be ionized into anions and cations which respectively enter the anodic treatment tank pool 16 and the cathodic treatment pool 17 through the anion membrane 9 and the cation membrane 10;
and step four, opening a first water outlet valve 1401 to enable water in the sand tank 1 to flow into the inspection tank 18, closing the first water outlet valve 1401, then opening the resistance testing equipment 15, controlling the voltage at two ends to be 1v, observing the indication number of the resistance testing equipment 15, when the resistivity of the solution in the inspection tank 18 reaches 0.01ds/m, indicating that desalination is finished, opening all valves, disassembling the stirring device 2, and taking out the calcareous sand sample.
Examples
Weighing 20 kg of calcareous sand, conveying the sand tank 1 filled with 1/3 by a conveying device 6, controlling the opening and closing degree of a first valve 1201, pumping distilled water into the sand tank 1 through a water inlet pipe 12, opening a stirring device 2, and adjusting the rotation speed of the stirring device 2 to 120rad/min in order to fully clean salt in the calcareous sand and prevent a calcareous sand sample from being broken; connecting a lead 8 with a cathode electrode 5 and an anode electrode 4 respectively, turning on a direct current power supply 7, electrifying the calcareous sand sample for 10min, and enabling ions in the solution to enter an anode treatment pool 16 and a cathode treatment pool 17 respectively through anion and cation membranes 9 and 10;
closing the direct current power supply 7, then closing the first valve 1201 on the water inlet pipe 12, opening the first water outlet pipe valve 1401, making the solution in the sand tank 1 flow into the inspection tank 18 by using the height difference, and closing the first water outlet pipe valve 1401 when the inspection tank 18 is full 2/3; the resistance testing device 15 is opened to observe the readings, and when the resistivity reaches 0.01ds/m, the ideal desalting effect is achieved.
Finally, the second outlet valve 2001 is opened, and the waste liquid in the inspection tank 18 is poured into the waste water collecting tank 21.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. An efficient desalting and inspection integrated device for calcareous sand, which is characterized in that,
comprises a sand tank (1), and an anode treatment tank (16) and a cathode treatment tank (17) which are arranged on the front side and the rear side of the sand tank (1);
a water inlet is formed in the left side plate of the sand tank (1), a water inlet pipe (12) is installed in the water inlet, and a first water outlet pipe (14) is installed on the right side plate of the sand tank (1);
a stirring device (2) is arranged at the bottom end inside the sand tank (1), the stirring device (2) comprises 3 stirring rods, and two ends of the 3 stirring rods are embedded in the sand tank (1) and below the water inlet pipe (12) and the first water outlet pipe (14);
a partition plate (11) is respectively arranged between the sand tank (1) and the anode treatment tank (16) and between the sand tank and the cathode treatment tank (17), and the two partition plates (11) are clamped in clamping grooves which are respectively connected with the anode treatment tank (16) and the cathode treatment tank (17) in the sand tank (1);
a water flowing channel (1101) and a water collecting hole (1102) are formed in the partition plate (11);
an anion membrane (9) is embedded at one side of one partition plate (11) facing the anode treatment tank (16),
a cation membrane (10) is embedded at one side of the other clapboard (11) facing the cathode treatment tank (17),
the cation membrane (10) and the anion membrane (9) are respectively attached to two sides of the two partition plates (11);
an anode electrode (4) is arranged on the inner wall of the anode treatment pool (16) at the side opposite to the anion membrane (9),
a cathode electrode (5) is arranged on the inner wall of the cathode treatment pool (17) at the side opposite to the cation membrane (10);
the anode electrode (4) and the cathode electrode (5) are connected to a direct current power supply (7) through a lead (8).
2. The integrated device for efficient desalination and inspection of calcareous sand as claimed in claim 1, wherein a first valve (1201) is installed on the water inlet pipe (12), and a water inlet screen (13) is installed at a water inlet of the water inlet pipe (12) connected with the sand tank (1);
the outer end of the first water outlet pipe (14) is connected with a detection groove (18);
a first water outlet pipe valve (1401) is arranged on the first water outlet pipe (14),
a water outlet filter screen (1402) is arranged at a water outlet of the first water outlet pipe (14) connected with the inspection groove (18).
3. The integrated apparatus for efficient desalination and inspection of calcareous sand as claimed in claim 2, wherein a second outlet pipe (20) is further installed at the other end of said inspection tank (18);
a second water outlet valve (2001) is arranged on the second water outlet pipe (20), and a waste water collecting tank (21) is also arranged on the other side of the second water outlet pipe (20);
two copper sheets (19) are respectively arranged on two opposite inner walls in the detection groove (18), and the two copper sheets (19) are connected with the resistance testing equipment (15) through connecting wires;
when the resistivity of the sample reaches 0.01ds/m, the calcium sand sample achieves the ideal desalting effect.
4. The integrated apparatus for efficient desalination and inspection of calcareous sand as claimed in claim 1, wherein a conveying device (6) is further installed on the sand tank (1).
5. The integrated device for efficient desalination and inspection of calcareous sand as claimed in claim 1, wherein two telescopic supports (3) are arranged at the bottom ends of the outer walls of the anodic treatment tank (16) and the cathodic treatment tank (17);
the telescopic support (3) is made of rigid materials.
6. The integrated device for efficient desalination and inspection of calcareous sand as claimed in claim 1, wherein the anode electrode (4) is made of graphite material, and the cathode electrode (5) is made of stainless steel material;
the partition plate is made of a 1-2 mm hard polyvinyl chloride plate.
7. The integrated device for efficient desalination and inspection of calcareous sand as claimed in claim 1, wherein the sand tank (1) is made of organic glass material;
the two ends of the stirring rod are telescopic, and a bulge is arranged at the rod body of the stirring rod and made of rubber materials.
8. The integrated device for efficient desalination and inspection of calcareous sand as claimed in claim 2, wherein the water inlet screen (13) and the water outlet screen (1402) are both made of nylon material.
9. The use method of the integrated device for efficient desalination and inspection of calcareous sand, according to claims 1 to 8, is characterized by comprising the following specific operation steps:
step (1), inserting a partition plate (11), an anion membrane (9) and a cation membrane (10) into corresponding notches respectively, placing an anode electrode (4) and a cathode electrode (5) on two sides of an anode treatment pool (16) and a cathode treatment pool (17) respectively, and connecting the two electrodes with a direct current power supply (7) through a lead (8); then inserting the stirring device (2) into a notch formed in the sand tank (1), and closing all valves;
step (2), the calcareous sand is loaded into a sand tank (1) through a conveying device (6), a first valve (1201) is opened, and distilled water is pumped into the sand tank (1) at a constant flow rate; starting a stirring device (2) to stir the calcareous sand sample at a low-frequency rotating speed so that salt in pores in the calcareous sand can be dissolved into the solution;
step (3), closing the first valve (1201), opening the direct-current power supply (7), and electrifying for 10 minutes to ionize the salt in the solution in the sand tank (1) into anions and cations which enter the corresponding anode treatment tank (16) and the corresponding cathode treatment tank (17) through the anion membrane (9) and the cation membrane (10);
and (4) opening a first water outlet valve (1401), enabling water in the sand tank (1) to flow into the inspection tank (18), closing the first water outlet valve (1401), then opening the resistance testing equipment (15), controlling the voltage at two ends to be 1v, observing the reading of the resistance testing equipment (15), when the resistivity of the solution in the inspection tank (18) reaches 0.01ds/m, indicating that the desalination is finished, opening all valves, disassembling the stirring device (2) and taking out the calcareous sand sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210514328.XA CN114920583A (en) | 2022-05-12 | 2022-05-12 | Efficient desalting and inspection integrated device for calcareous sand and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Application publication date: 20220819 |