CN113548759A

CN113548759A - Flocculation type electric adsorption softening and concentrating device

Info

Publication number: CN113548759A
Application number: CN202110882015.5A
Authority: CN
Inventors: 张韦欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-10-26
Anticipated expiration: 2041-08-02
Also published as: CN113548759B

Abstract

The invention relates to the technical field of flocculation type electric adsorption softening and concentrating treatment, and discloses a flocculation type electric adsorption softening and concentrating device which comprises a raw water tank, wherein a manganese sand filter is arranged on one side of the raw water tank, the raw water tank is connected with the manganese sand filter through a water inlet pump A, an intermediate water tank is arranged on one side of the manganese sand filter, which is far away from the raw water tank, a flocculation type electric adsorption device is arranged on one side of the intermediate water tank, which is far away from the manganese sand filter, a water inlet pump B is arranged between the intermediate water tank and the flocculation type electric adsorption device for connection, a concentrated water tank and a water production tank are arranged on one side of the flocculation type electric adsorption device, which is far away from the concentrated water tank, a sludge collecting tank is arranged on one side of the manganese sand filter and the flocculation type electric adsorption device, which is far away from the concentrated water tank, the sludge collecting tank is connected with the raw water tank through a clean water pump, compared with the prior art, the problem that the traditional electric adsorption treatment of high-hardness waste water needs to be subjected to chemical softening and concentrating treatment is solved, greatly reducing the operating cost of the electro-adsorption.

Description

Flocculation type electric adsorption softening and concentrating device

Technical Field

The invention relates to the technical field of flocculation type electric adsorption softening and concentrating treatment, in particular to a flocculation type electric adsorption softening and concentrating device.

Background

With the issuance of various national environmental protection policies and the strict implementation of pollution discharge permit systems, high-hardness and high-salinity wastewater such as thermal power plant desulfurization wastewater and the like of most industrial enterprises cannot be discharged outside, and zero-discharge curing treatment is required. Because the energy consumption of curing treatment unit ton water is large, a concentration and decrement treatment system is usually arranged.

At present, the concentration and decrement treatment technologies of high-hardness and high-salinity wastewater such as desulfurization wastewater mainly comprise a membrane method, a thermal method, electric adsorption and the like. Wherein, the membrane concentration comprises high-pressure roll type reverse osmosis, disc tube type reverse osmosis, electrodialysis, forward osmosis and the like, and has the problems of high requirement on the quality of inlet water, long pretreatment process, large floor area of equipment, easy pollution and blockage of the membrane, high medicament cost and the like; the thermal method concentration comprises flue gas waste heat flash evaporation, low-temperature negative-pressure multiple-effect concentration, flue gas waste heat concentration, a seed crystal method MVR and the like, and has the problems of easy scaling and blockage, difficulty in cleaning equipment, low heat exchange efficiency, large occupied area of the equipment and the like.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a flocculation type electric adsorption softening and concentrating device which has the advantages of solving the problem that high-hardness wastewater treated by traditional electric adsorption needs to be subjected to chemical adding softening pretreatment, greatly reducing the operation cost of electric adsorption and the like, and solving the problems of easy scaling and blockage, difficult equipment cleaning, low heat exchange efficiency, large equipment floor area and the like.

(II) technical scheme

In order to solve the problem that the traditional electro-adsorption treatment of high-hardness wastewater needs to be pretreated by adding chemicals and softening, and greatly reduce the operating cost of electro-adsorption, the invention provides the following technical scheme: the utility model provides a flocculation formula electrosorption softens enrichment facility, including former water tank, one side of former water tank is provided with manganese sand filter, former water tank is connected through being provided with intake pump A with manganese sand filter, one side that former water tank was kept away from to manganese sand filter is provided with middle water tank, be provided with the backwash pump between manganese sand filter and the middle water tank and be connected, one side that manganese sand filter was kept away from to middle water tank is provided with flocculation formula electrosorption device, it is connected to be provided with intake pump B between middle water tank and the flocculation formula electrosorption device, one side that flocculation formula electrosorption device kept away from intake pump B is provided with the thick water tank and produces the water tank, one side that manganese sand filter and flocculation formula electrosorption device kept away from the thick water tank is provided with the dirt collecting pit, the dirt collecting pit is connected with former water tank through being provided with clean water pump.

Preferably, flocculation formula electrosorption device's outside is provided with the cat ladder, and the cat ladder is including the swash plate, swash plate fixed connection on flocculation formula electrosorption device's surface, and the swash plate becomes the slope form setting on flocculation formula electrosorption device surface, and four dead slots have been seted up on the surface that flocculation formula electrosorption device one side was kept away from to the swash plate, and four dead slots become the partition form setting at the surface of swash plate, and the inside groove has been seted up to the inside of swash plate, and the side groove has been seted up to the outside side of swash plate.

Preferably, the inside of inside groove is provided with two bull sticks, and two bull sticks rotate respectively and connect in the inside both sides of inside groove, and the outside of two bull sticks is rotated and is connected with the track, and the track drives through two bull sticks and rotates, and the track is kept away from the inside groove one side activity and is run through the inner wall of inside groove and extend into the inside of side channel.

Preferably, every the inside of dead slot all is provided with assist drive device, and assist drive device is including the spout, and the spout is seted up on the inside wall of dead slot, and the inside of dead slot is provided with the footboard, and the footboard activity runs through the inner wall of dead slot and extends the inside that gets into the inside groove, and the footboard keeps away from the one end activity of dead slot and laminates on the surface of track.

Preferably, the upper surface of footboard is opened and is established into the inclined plane form, and the lateral wall fixedly connected with circle axle of footboard, the outside activity of circle axle has cup jointed the bullet rope, and the one end laminating that the circle axle was kept away from to the bullet rope is on the surface of track, and the footboard passes through the circle axle and plays rope swing joint in the inside of dead slot, and circle axle sliding connection is in the inside of spout.

Preferably, the inside of track is provided with places the case, places the case including the box, and box fixed connection is on the inner circle wall of track, and the inside of box is equipped with the opening, and the inside of box is linked together with the outer one side of keeping away from the track of box, and the short notch has been seted up to the inner wall in the box, and the inside fixedly connected with compression spring of short notch, compression spring keep away from the one end fixedly connected with clamp plate of short notch, and the clamp plate passes through compression spring swing joint in the inside of box.

Preferably, an outer notch is formed in one wall surface, away from the short notch, of the box body, the inner portion of the outer notch is communicated with the outer portion of the box body, and one side, close to the outer notch, of the pressing plate is arranged to be in an inclined plane shape.

(III) advantageous effects

Compared with the prior art, the invention provides a flocculation type electric adsorption softening and concentrating device, which has the following beneficial effects:

1. compared with the prior art, the flocculation type electro-adsorption softening and concentrating device solves the defects that the traditional electro-adsorption technology needs softening and acidification during concentration and reduction and cannot be used for high-salt-content wastewater, provides the flocculation type electro-adsorption softening and concentrating technology without softening and acidification, has extremely low pretreatment requirement, simple process flow and strong adaptability to water quality, overcomes the technical defects existing in the prior electro-adsorption technology during concentration and desalination, provides a brand-new desalination and softening technology almost without pretreatment for concentration and reduction treatment of high-hardness and high-salinity wastewater such as desulfurization wastewater, and has good softening effect when the flocculation type electro-adsorption technology is used for treating the high-salt and high-hardness wastewater, the cathode can deposit calcium, magnesium and other water scales, the anode can generate oxidizing substances to damage colloids in water to destabilize the colloids, flocculate and precipitate with the water scales and is discharged through backwashing, and descaling, need not to add the medicine and soften, solved traditional electrosorption and handled the problem that the high hard waste water need add medicine softening pretreatment, reduced electrosorption's running cost by a wide margin.

2. Compared with the prior art that a flocculation type electro-adsorption technology adopts a WQ series new electrode material, the flocculation type electro-adsorption softening and concentrating device solves the problem that electro-adsorption cannot be used for high-salt wastewater, provides a low-cost technical route for the concentration and desalination treatment of high-hardness high-salt wastewater, adopts a working voltage change control model, improves the adsorption performance and stability of electro-adsorption, and prevents paralysis of the electro-adsorption device.

3. This flocculation formula electrosorption softens enrichment facility carries out concentrated decrement through adopting flocculation formula electrosorption device to high hard high salt waste water and handles, only needs the pH value and the turbidity of control intaking, has reduced the control degree of difficulty, and flocculation formula electrosorption device goes out water and is close with desulfurization process water quality of water, but direct retrieval and utilization to desulfurization system utilizes flocculation formula electrosorption technique and technique such as electrochemistry, reverse osmosis to combine, can low-cost nimble control product water recovery rate and desalination.

4. This flocculation formula electrosorption softens enrichment facility, through setting up assist drive device cooperation cat ladder, the user can place the instrument in placing the case when overhauing the device, steps on when assist drive device later when the user, can drive the track by the helping hand and rotate, and the track rotates simultaneously and drives and places the case and make the toolbox carry out automatic rising to can reach and avoid user's portable toolbox, convenience of customers carries the toolbox and overhauls the effect.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the ladder stand of FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the storage case of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of the swash plate of FIG. 2 according to the present invention;

FIG. 5 is a side cross-sectional view of the bevel of FIG. 2 according to the present invention.

In the figure: 1. a raw water tank; 2. a water inlet pump A; 3. a manganese sand filter; 4. an intermediate water tank; 5. a water inlet pump B; 6. a backwash pump; 7. a flocculation-type electro-adsorption device; 8. a water production tank; 9. a concentrated water tank; 91. a mud dirt collecting tank; 92. a clean water pump; 111. a sloping plate; 113. an inner tank; 114. a rotating rod; 115. a side groove; 116. a crawler belt; 117. an empty groove; 121. a pedal; 123. a rope bouncing; 124. a circular shaft; 125. a chute; 131. a box body; 132. a compression spring; 133. a short slot opening; 134. pressing a plate; 135. an outer notch.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular element.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a flocculation formula electrosorption softens enrichment facility, including former water tank 1, one side of former water tank 1 is provided with manganese sand filter 3, former water tank 1 is connected through being provided with intake pump A2 with manganese sand filter 3, one side that former water tank 1 was kept away from to manganese sand filter 3 is provided with middle water tank 4, be provided with backwash pump 6 between manganese sand filter 3 and the middle water tank 4 and be connected, one side that middle water tank 4 kept away from manganese sand filter 3 is provided with flocculation formula electrosorption device 7, be provided with intake pump B5 between middle water tank 4 and the flocculation formula electrosorption device 7 and be connected, one side that flocculation formula electrosorption device 7 kept away from intake pump B5 is provided with dense water tank 9 and product water tank 8, one side that dense water tank 9 was kept away from to manganese sand filter 3 and flocculation formula electrosorption device 7 is provided with dirt collecting basin 91, dirt collecting basin 91 is connected with former water tank 1 through being provided with clean water pump 92.

The outside of flocculation formula electrosorption device 7 is provided with the cat ladder, the cat ladder is including swash plate 111, swash plate 111 fixed connection is on flocculation formula electrosorption device 7's surface, and swash plate 111 becomes the slope form setting on flocculation formula electrosorption device 7 surface, four dead slots 117 have been seted up on the surface that flocculation formula electrosorption device 7 one side was kept away from to swash plate 111, four dead slots 117 become the partition form setting at the surface of swash plate 111, inside groove 113 has been seted up to the inside of swash plate 111, side channel 115 has been seted up to the outside side of swash plate 111.

Two rotating rods 114 are arranged inside the inner groove 113, the two rotating rods 114 are respectively connected to two sides inside the inner groove 113 in a rotating mode, a crawler belt 116 is connected to the outer portions of the two rotating rods 114 in a rotating mode, the crawler belt 116 is driven by the two rotating rods 114 to rotate, and one side, far away from the inner groove 113, of the crawler belt 116 movably penetrates through the inner wall of the inner groove 113 and extends into the side groove 115.

The inside of every dead slot 117 all is provided with assist drive device, and assist drive device is including spout 125, and spout 125 is seted up on the inside wall of dead slot 117, and the inside of dead slot 117 is provided with footboard 121, and the inside of footboard 121 activity run through the inner wall of dead slot 117 and extend into inside groove 113, and the one end activity laminating that footboard 121 kept away from dead slot 117 is on the surface of track 116.

The upper surface of the pedal 121 is provided with an inclined plane, a circular shaft 124 is fixedly connected to the side wall of the pedal 121, an elastic rope 123 is movably sleeved outside the circular shaft 124, one end, far away from the circular shaft 124, of the elastic rope 123 is attached to the outer surface of the crawler 116, the pedal 121 is movably connected to the inside of the empty groove 117 through the circular shaft 124 and the elastic rope 123, and the circular shaft 124 is slidably connected to the inside of the sliding groove 125.

The inside of track 116 is provided with places the case, place the case including box 131, box 131 fixed connection is on the inner circle wall of track 116, the inside of box 131 is equipped with the opening, and the inside of box 131 is linked together with the outer one side of keeping away from track 116 of box 131, short notch 133 has been seted up to the inner wall in box 131, the inside fixedly connected with compression spring 132 of short notch 133, compression spring 132 keeps away from the one end fixedly connected with clamp plate 134 of short notch 133, clamp plate 134 passes through compression spring 132 swing joint in the inside of box 131.

An outer notch 135 is formed in one wall surface of the box body 131 far away from the short notch 133, the inside of the outer notch 135 is communicated with the outside of the box body 131, and one side of the pressing plate 134 close to the outer notch 135 is arranged in an inclined plane shape.

When in use, the utility model is used,

firstly, high-hardness high-salinity wastewater such as desulfurization wastewater enters a raw water tank 1 for buffering, then enters a manganese sand filter 3 through a water inlet pump A2, and the manganese sand filter 3 is internally provided with a micro-electrolysis device for adjusting and reducing the pH value of the wastewater.

And step two, discharging the wastewater after the pH is adjusted to an intermediate water tank 4, dividing the water discharged from the intermediate water tank 4 into two paths, wherein one path enters a flocculation type electric adsorption device 7 through a water inlet pump 5, and the other path is connected with a manganese sand filter 3 through a backwashing pump 6.

Thirdly, the flocculation type electric adsorption device 7 is internally provided with a nonmetal composite electrode prepared by a new WQ series material and connected with an external direct current power supply, when high-hardness high-salt wastewater flows through a low-voltage electric field formed by a positive electrode and a negative electrode, a large amount of OH < - > is generated near the negative electrode plate to form a strong alkaline environment, cations such as calcium, magnesium and the like in water are attracted and transferred to the negative electrode plate to generate scales such as calcium carbonate, magnesium hydroxide and the like to be deposited on the negative electrode, the positive electrode is oxidized to generate substances such as active hydroxyl radicals, chlorine and the like to destroy colloid substances in the water, the substances are flocculated and deposited together with the scales, the precipitates are periodically cleaned, cleaning wastewater is discharged to a raw water tank 1 of a sludge water collecting pool, and produced water of the flocculation type electric adsorption device 7 is collected to a water producing tank 8.

And fourthly, after the flocculation type electric adsorption device 7 operates for a period of time, the electrodes are saturated in adsorption and lose desalting capacity, the desorption regeneration stage is started, the direct-current power supply is cut off during desorption regeneration, reverse voltage is applied for a period of time, water is fed for flushing simultaneously, charged particles are released into flushing water at the moment, and concentrated water is formed and flows to the concentrated water tank 9.

And fifthly, after the sludge collecting tank is settled, the supernatant enters the raw water tank 1 through a clean water pump 92.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flocculation formula electrosorption softens enrichment facility, includes former water tank (1), its characterized in that: a manganese sand filter (3) is arranged on one side of the raw water tank (1), the raw water tank (1) is connected with the manganese sand filter (3) through a water inlet pump A (2), a middle water tank (4) is arranged on one side, away from the raw water tank (1), of the manganese sand filter (3), a backwashing pump (6) is arranged between the manganese sand filter (3) and the middle water tank (4) for connection, a flocculation type electric adsorption device (7) is arranged on one side, away from the manganese sand filter (3), of the middle water tank (4), a water inlet pump B (5) is arranged between the middle water tank (4) and the flocculation type electric adsorption device (7) for connection, a concentrated water tank (9) and a water production tank (8) are arranged on one side, away from the water inlet pump B (5), of the flocculation type electric adsorption device (7) and the manganese sand filter (3) are provided with a sludge collecting tank (91) on one side, away from the concentrated water tank (9), of the flocculation type electric adsorption device (7), the sludge collecting tank (91) is connected with the original water tank (1) by being provided with a clean water pump (92).

2. A flocculating electroadsorptive softening and concentrating apparatus according to claim 1, wherein: the outside of flocculation formula electrosorption device (7) is provided with the cat ladder, the cat ladder is including swash plate (111), swash plate (111) fixed connection is on the surface of flocculation formula electrosorption device (7), and swash plate (111) become the slope form setting on flocculation formula electrosorption device (7) surface, four dead slots (117) have been seted up on the surface of flocculation formula electrosorption device (7) one side is kept away from in swash plate (111), four dead slots (117) become the partition form setting at the surface of swash plate (111), inside groove (113) have been seted up to the inside of swash plate (111), side channel (115) have been seted up to the outside side of swash plate (111).

3. A flocculating electroadsorptive softening and concentrating apparatus according to claim 2, wherein: the inside of inside groove (113) is provided with two bull sticks (114), and two bull sticks (114) rotate respectively and connect in the inside both sides of inside groove (113), and the outside of two bull sticks (114) is rotated and is connected with track (116), and track (116) rotate through two bull sticks (114) drive, and track (116) keep away from the inside wall of inside groove (113) and extend the inside that gets into side groove (115) in the activity of one side of inside groove (113).

4. A flocculating electroadsorptive softening and concentrating apparatus according to claim 2, wherein: every the inside of dead slot (117) all is provided with assist drive device, and assist drive device is including spout (125), and spout (125) are seted up on the inside wall of dead slot (117), and the inside of dead slot (117) is provided with footboard (121), and the inside of footboard (121) activity run through the inner wall of dead slot (117) and extend into inside of inside groove (113), and the one end activity that footboard (121) kept away from dead slot (117) is laminated on the surface of track (116).

5. A flocculating electroadsorptive softening and concentrating apparatus according to claim 4, wherein: the upper surface of footboard (121) is opened and is established the inclined plane form, and the lateral wall fixedly connected with circle axle (124) of footboard (121), and bullet rope (123) have been cup jointed in the outside activity of circle axle (124), and the one end laminating that circle axle (124) were kept away from in bullet rope (123) is on the surface of track (116), and footboard (121) are through circle axle (124) and bullet rope (123) swing joint in the inside of dead slot (117), and circle axle (124) sliding connection in the inside of spout (125).

6. A flocculating electroadsorptive softening and concentrating apparatus according to claim 3, wherein: the inside of track (116) is provided with places the case, place the case including box (131), box (131) fixed connection is on the inner circle wall of track (116), the inside of box (131) is equipped with the opening, and the inside of box (131) is linked together with one side of keeping away from track (116) outside box (131), short notch (133) have been seted up to the inner wall in box (131), the inside fixedly connected with compression spring (132) of short notch (133), the one end fixedly connected with clamp plate (134) of short notch (133) are kept away from in compression spring (132), clamp plate (134) are through compression spring (132) swing joint in the inside of box (131).

7. A flocculating electroadsorptive softening and concentrating apparatus according to claim 6, wherein: an outer notch (135) is formed in one wall surface, far away from the short notch (133), of the box body (131), the inner portion of the outer notch (135) is communicated with the outer portion of the box body (131), and one side, close to the outer notch (135), of the pressing plate (134) is arranged to be in an inclined plane shape.