CN111924917B

CN111924917B - Device for zero discharge treatment of calcium chloride high-salinity wastewater

Info

Publication number: CN111924917B
Application number: CN202010999710.5A
Authority: CN
Inventors: 代春龙; 高庆刚
Original assignee: Shandong Longantai Environmental Protection Sci Tech Co ltd
Current assignee: Shandong Longantai Environmental Protection Sci Tech Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-22
Anticipated expiration: 2040-09-22
Also published as: CN111924917A

Abstract

The utility model provides a device for calcium chloride high salt waste water zero release is handled, the power distribution box comprises a box body, the left and right sides of box lower part is equipped with a several vertical axis respectively, the first motor of bottom side fixed mounting of box, the first preformed hole that the box diapire was passed to the upper end of first motor shaft is rather than the lower extreme fixed connection of one of them vertical axis, the lower extreme of remaining vertical axis passes through the bearing rotation with the bottom of box respectively and is connected, the first sprocket of fixed mounting respectively in the upper end of vertical axis, two first sprockets of bilateral symmetry are connected through first chain drive respectively. The falling film pipe is simple in structure and ingenious in conception, the two semicircular pipes are combined to form the falling film pipe, so that the falling film pipe can be separated, the inner wall of the falling film pipe is convenient to clean, scales on the inner side of the semicircular pipes can be conveniently fallen off after the tubular structures formed by the semicircular pipes are separated, meanwhile, the inner wall of the falling film pipe can be automatically cleaned without stopping, the influence on the wastewater treatment efficiency is reduced, and the labor cost is saved.

Description

Device for zero discharge treatment of calcium chloride high-salinity wastewater

Technical Field

The invention belongs to the field of wastewater treatment devices, and particularly relates to a device for zero discharge treatment of calcium chloride high-salinity wastewater.

Background

In the high-salinity wastewater treatment, a falling film evaporator is often used for evaporation treatment, so that zero discharge of wastewater is realized, however, the inner wall of a falling film pipe is easy to scale, the operation of cleaning the inner wall of the falling film pipe is complex, the falling film pipe needs to be taken down by stopping the machine, and then the inner wall of the falling film pipe is cleaned, so that the wastewater treatment efficiency is influenced, the operation is complex, the labor cost is increased, and the actual requirement cannot be met.

Disclosure of Invention

The invention provides a device for zero discharge treatment of calcium chloride high-salinity wastewater, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a device for zero discharge treatment of calcium chloride high-salinity wastewater comprises a box body, wherein a row of a plurality of vertical shafts are respectively arranged on the left side and the right side of the lower portion of the box body, a first motor is fixedly installed on the bottom side of the box body, the upper end of a rotating shaft of the first motor penetrates through a first preformed hole in the bottom wall of the box body and is fixedly connected with the lower end of one vertical shaft, the lower ends of the other vertical shafts are respectively rotatably connected with the bottom of the box body through bearings, first chain wheels are respectively and fixedly installed on the upper ends of the vertical shafts, the two first chain wheels which are bilaterally symmetrical are respectively and fixedly connected through a first chain, coaxial gears are fixedly installed at the lower end of the periphery of the vertical shaft on the left side, two mutually meshed transmission gears are arranged between the front and the rear; the outer periphery of the first chain is uniformly and fixedly connected with the outer sides of a plurality of semicircular pipes, the semicircular pipes on the first chain and the corresponding semicircular pipes on the adjacent first chain can form a tubular structure, a partition plate is arranged on the upper part of the box body, through grooves are respectively formed in the top side of the partition plate corresponding to the tubular structure, the inner peripheries of the through grooves are respectively and fixedly connected with the outer periphery of a vertical pipe, the tubular structure can be respectively collinear with the central line of the corresponding vertical pipe, the lower end surface of the vertical pipe is in sliding contact fit with the upper end surface of the semicircular pipes, a piston ring is arranged in the vertical pipe in a fit manner, a push rod is movably arranged in an inner hole of the piston ring, a first baffle plate is fixedly installed at the upper end of the push rod, a circular ring is sleeved on the upper part of the outer periphery of the push rod in a sliding manner, the outer periphery of the circular ring is fixedly connected with the inner periphery of, the diameter of ball is less than the diameter of standpipe, and the inlet opening is seted up on the upper portion of box one side, and the apopore is seted up to the bottom of box, and the rear side of box is opened and is established upper steam hole, the lower steam hole that distributes from top to bottom, and cleaning device is seted up respectively to the inside left and right sides of box.

According to the device for zero discharge treatment of calcium chloride high-salinity wastewater, the upper end of the inner side of the semicircular pipe is provided with the semicircular groove, the top side and the front side of the semicircular groove are respectively communicated with the outside, the bottom side of the semicircular groove is provided with the semicircular groove, the semicircular groove of the tubular structure can form the circular groove, and the semicircular groove of the tubular structure can form the annular groove.

According to the device for zero discharge treatment of calcium chloride high-salinity wastewater, the top side of the second baffle is fixedly provided with the rubber pad, and the top side of the rubber pad can be in contact fit with the bottom side of the piston ring.

As above a device for calcium chloride high salt waste water zero release is handled, cleaning device include the bull stick, both ends are equipped with the bull stick respectively about first chain, the bottom side fixed mounting second motor of box, the second preformed hole on the box bottom side is passed to the upper end of second motor shaft, the upper end of second motor shaft and the lower extreme fixed connection of one of them bull stick, the lower extreme of all the other bull sticks passes through the bearing rotation with the bottom of box and is connected, the lower part of bull stick periphery is fixed mounting second sprocket respectively, the second sprocket is connected through same second chain drive, the upper portion fixed mounting brush roller of bull stick periphery.

According to the device for zero discharge treatment of the calcium chloride high-salinity wastewater, the front side and the rear side of the tubular structure are respectively provided with the guide plate, the guide plates are respectively and fixedly connected with the bottom of the box body through the connecting rods, and one side of each guide plate, which is close to the semicircular pipe, is in sliding contact fit with the outer side of the semicircular pipe.

According to the device for zero discharge treatment of the calcium chloride high-salinity wastewater, the water baffle is arranged on the inner side of the water inlet hole and is fixedly connected with the box body.

The invention has the advantages that: the falling film pipe is simple in structure and ingenious in conception, the two semicircular pipes are combined to form the falling film pipe, so that the falling film pipe can be separated, the inner wall of the falling film pipe is convenient to clean, scales on the inner side of the semicircular pipes can be conveniently fallen off after the tubular structures formed by the semicircular pipes are separated, meanwhile, the inner wall of the falling film pipe can be automatically cleaned without stopping the machine, the influence on the wastewater treatment efficiency is reduced, the labor cost is saved, the wastewater enters the falling film pipe discontinuously to form pulses, the scale cleaning effect is further improved, the market demand can be met, and the falling film pipe is suitable for popularization. When the invention is used, firstly, wastewater is injected into a partition board in a box body through a water inlet hole, the wastewater is primarily precipitated on the top side of the partition board, when the liquid level of the wastewater is higher than the upper end of a vertical pipe, the wastewater enters the vertical pipe, when a tubular structure is positioned right below the corresponding vertical pipe, a round ball can enter the upper end of the tubular structure, the top side of a second baffle plate is separated from the bottom side of a piston ring, the piston ring moves to the lowest part under the action of the elastic thrust of a spring, the wastewater in the vertical pipe can enter the lower part of the vertical pipe through an inner hole of the piston ring, the wastewater uniformly falls on the top side of the round ball along the second baffle plate and can be uniformly dispersed along the round ball, so that a water film is formed, the wastewater enters the tubular structure through a gap between the round ball and the vertical pipe and a gap between the round ball and the tubular structure, the wastewater forms the water film and flows along the inner, the waste water is concentrated and gathered at the bottom of the box body, and the concentrated solution in the box body is discharged by opening a valve on a water outlet hole; when the scale on the inner wall of the tubular structure needs to be cleaned, the first motor is electrified, the rotating shaft of the first motor drives one of the vertical shafts to rotate, the vertical shaft drives the other vertical shafts on the left side to rotate through the gear and the transmission gear, the rotating directions of the front and the rear adjacent vertical shafts are opposite, the left vertical shaft drives the vertical shaft corresponding to the right side to rotate through the first chain wheel and the first chain, so that the front and the rear adjacent first chains reversely rotate, the first chain drives the semicircular pipe to rotate, so that the tubular structure moves below the vertical pipe, the central line of the tubular structure and the vertical pipe is not collinear, the tubular structure gives upward thrust to the round ball, the round ball drives the second baffle to move upward, the top side of the second baffle is in contact fit with the bottom side of the piston ring, the inner hole of the piston ring is sealed, the upward thrust is generated to the piston ring, the piston ring moves upward, the spring is, a small amount of waste water flows to the periphery of the tubular structure, namely the outer side of the semicircular pipe, can be quickly evaporated by steam to drive the tubular structure and be positioned under the next vertical pipe, the waste water enters the next tubular structure again, the semicircular pipe forms a new tubular structure, the tubular structure is separated into the semicircular pipes, the cleaning device can conveniently clean the inner side of the semicircular pipe, the first motor is enabled to drive the tubular structure to move one station each time, namely the distance between the adjacent tubular structures, so that the tubular structure can be positioned under the vertical pipe after each adjustment, the first motor exchanges the servo motor for convenient control, the rotation angle of the first motor can be conveniently adjusted through the controller of the first motor (the rotation angle of the motor is controlled through the controller, the control is common knowledge for mature prior art, and detailed description is not given here) and the cleaning device is powered on at this moment, the cleaning device can respectively clean the inner side and the outer side of the semicircular pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; fig. 4 is a view in the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A device for zero emission treatment of calcium chloride high-salinity wastewater comprises a box body 1, a row of a plurality of vertical shafts 2 are respectively arranged on the left side and the right side of the lower part of the box body 1, a first motor 3 is fixedly installed on the bottom side of the box body 1, the first motor 3 is an alternating current servo motor and is provided with a controller, the upper end of a rotating shaft of the first motor 3 penetrates through a first reserved hole on the bottom wall of the box body 1 and is fixedly connected with the lower end of one of the vertical shafts 2, the outer periphery of the rotating shaft of the first motor 3 is rotatably connected with the inner periphery of the first reserved hole through a sealed bearing, the lower ends of the other vertical shafts 2 are rotatably connected with the bottom of the box body 1 through bearings, first chain wheels 4 are respectively and fixedly installed on the upper ends of the vertical shafts 2, two first chain wheels 4 which are bilaterally symmetrical are respectively in transmission connection through a first chain 5, a coaxial gear 6 is fixedly installed on the lower end of the outer periphery, the transmission gear 7 is meshed and matched with the corresponding gear 6, and the transmission gear 7 is rotatably arranged at the bottom of the box body 1; the outer side of a plurality of semicircular pipes 8 is uniformly and fixedly connected with the periphery of a first chain 5, the semicircular pipes 8 on the first chain 5 and the corresponding semicircular pipes 8 on the adjacent first chain 5 can form a tubular structure, a partition plate 9 is arranged on the upper part of a box body 1, the front side, the rear side, the left side, the right side and the inner wall corresponding to the box body 1 of the partition plate 9 are respectively and fixedly connected with the corresponding semicircular pipes 8, a through groove 10 is respectively arranged on the top side of the partition plate 9 corresponding to the tubular structure, the inner periphery of the through groove 10 is respectively and fixedly connected with the outer periphery of a vertical pipe 11, the tubular structure can be respectively collinear with the central line of the corresponding vertical pipe 11, the lower end face of the vertical pipe 11 is in sliding contact fit with the upper end face of the semicircular pipe 8, a piston ring 12 is arranged in the vertical pipe 11 in a matching manner, the outer periphery of the piston ring 12 is in airtight sliding contact fit with the, the upper portion of push rod 13 periphery slides suit ring 15, the periphery of ring 15 passes through connecting rod 16 fixed connection with the interior week of standpipe 11, the bottom side of ring 15 is connected through the spring 17 of suit in the push rod 13 periphery with the top side of piston ring 12, the lower extreme fixed mounting second baffle 18 of push rod 13, second baffle 18 can make the hole of piston ring 12 seal, the bottom side fixed mounting ball 19 of second baffle 18, the diameter of ball 19 is less than the diameter of standpipe 11, inlet opening 20 is seted up on the upper portion of box 1 one side, apopore 21 is seted up to the bottom of box 1, the last steam hole 22 that distributes from top to bottom is seted up to the rear side of box 1, lower steam hole 23, cleaning device is seted up respectively to the left and right sides of box 1 inside. The falling film pipe is simple in structure and ingenious in conception, the two semicircular pipes are combined to form the falling film pipe, so that the falling film pipe can be separated, the inner wall of the falling film pipe is convenient to clean, scales on the inner side of the semicircular pipes can be conveniently fallen off after the tubular structures formed by the semicircular pipes are separated, meanwhile, the inner wall of the falling film pipe can be automatically cleaned without stopping the machine, the influence on the wastewater treatment efficiency is reduced, the labor cost is saved, the wastewater enters the falling film pipe discontinuously to form pulses, the scale cleaning effect is further improved, the market demand can be met, and the falling film pipe is suitable for popularization. When the invention is used, firstly, wastewater is injected into the partition board 9 in the box body 1 through the water inlet hole 20, the wastewater is primarily precipitated on the top side of the partition board 9, when the liquid level of the wastewater is higher than the upper end of the vertical pipe 11, the wastewater enters the vertical pipe 11, when the tubular structure is positioned right below the corresponding vertical pipe 11, the round ball 19 can enter the upper end of the tubular structure, the top side of the second partition board 18 is separated from the bottom side of the piston ring 12, the piston ring 12 moves to the lowest part under the action of the elastic thrust of the spring 17, the wastewater in the vertical pipe 11 can enter the lower part of the vertical pipe 11 through the inner hole of the piston ring 12, the wastewater uniformly falls on the top side of the round ball 19 along the second partition board 18 and can be uniformly dispersed along the round ball 19, so that a water film is formed, and the wastewater enters the tubular structure through the gap between the round ball 19 and the vertical pipe 11 and the gap, the waste water forms a water film and flows along the inner wall of the semicircular pipe 8, at the moment, steam is injected into the box body 1 through the upper steam hole 22 and flows out through the lower steam hole 23, when the injected steam flows through the periphery of the tubular structure, the water film on the inner wall of the tubular structure is evaporated, the waste water is formed into concentrated solution and is gathered at the bottom of the box body 1, and the concentrated solution in the box body 1 is discharged by opening a valve on the water outlet hole 21; when the scale on the inner wall of the tubular structure needs to be cleaned, the first motor 3 is powered on, the rotating shaft of the first motor 3 drives one of the vertical shafts 2 to rotate, the vertical shaft 2 drives the other vertical shafts 2 on the left side to rotate through the gear 6 and the transmission gear 7, the rotating directions of the front and rear adjacent vertical shafts 2 are opposite, the vertical shaft 2 on the left side drives the vertical shaft 2 corresponding to the right side to rotate through the first chain wheel 4 and the first chain 5, so that the front and rear adjacent first chains 5 rotate in opposite directions, the first chain 5 drives the semicircular pipe 8 to rotate, the tubular structure moves below the vertical pipe 11, the tubular structure and the vertical pipe 11 are not collinear, the tubular structure gives upward thrust to the round ball 19, the round ball 19 drives the second baffle plate 18 to move upward, the top side of the second baffle plate 18 is in contact fit with the bottom side of the piston ring 12, so that the inner hole of the piston ring 12 is sealed and generates upward thrust to the piston ring, the piston ring 12 moves upwards, the spring 17 is compressed, the wastewater does not flow downwards any more, a small amount of wastewater flows to the periphery of the tubular structure, namely the outer side of the semicircular pipe 8 and can be quickly evaporated by steam to drive the tubular structure to be positioned under the next vertical pipe 11, the wastewater enters the next tubular structure again, the semicircular pipe 8 forms a new tubular structure which is separated into the semicircular pipes, a cleaning device is convenient to clean the inner side of the semicircular pipe 8, the first motor 3 drives the tubular structure to move by one station each time, namely the distance between adjacent tubular structures, so that the tubular structure can be positioned under the vertical pipe 11 after each adjustment, because the first motor 3 exchanges a servo motor, the control is convenient, the adjustment of the rotation angle of the first motor 3 is convenient through the controller of the first motor 3, which is common knowledge and not described in detail herein) is energized, the cleaning device is able to clean the inside and outside of the semi-circular tube 8, respectively.

Specifically, as shown in the figure, the upper end of the inner side of the semicircular pipe 8 according to the present embodiment is provided with a semicircular groove 30, the top side and the front side of the semicircular groove 30 are respectively communicated with the outside, the bottom side of the semicircular groove 30 is provided with a semicircular groove 31, the semicircular groove 30 of the tubular structure can form a circular groove, and the semicircular groove 31 of the tubular structure can form an annular groove. When the waste water enters the annular groove through the circular groove and then overflows from the annular groove, a water film is formed and flows down along the inner wall of the tubular structure, and the formation of the water film is facilitated.

Specifically, as shown in the drawings, the second baffle 18 of the present embodiment is fixedly installed with a rubber pad 40 on the top side, and the top side of the rubber pad 40 can be in contact fit with the bottom side of the piston ring 12. So that the gas tightness between the top side of the second apron 18 and the bottom side of the piston ring 12 can be increased.

Further, as shown in the figure, the cleaning device described in this embodiment includes a rotating rod 50, the rotating rods 50 are respectively disposed at the left and right ends of the first chain 5, a second motor 51 is fixedly mounted at the bottom side of the box 1, the upper end of the rotating shaft of the second motor 51 passes through a second reserved hole on the bottom side of the box, the inner circumference of the second reserved hole is rotatably connected with the outer circumference of the rotating shaft of the second motor 51 through a sealed bearing, the upper end of the rotating shaft of the second motor 51 is fixedly connected with the lower end of one of the rotating rods 50, the lower ends of the other rotating rods 50 are rotatably connected with the bottom of the box 1 through a bearing, second chain wheels 52 are respectively fixedly mounted at the lower part of the outer circumference of the rotating rod 50, the second chain wheels 52 are in transmission connection through the same second chain 53, and a brush roller 54. The second motor 51 is electrified, the rotating shaft of the second motor 51 can drive one of the rotating rods 50 to rotate, the rotating rod 50 drives the other rotating rods 50 to rotate through the second chain wheel 52 and the second chain 53, the rotating rod 50 drives the brush roller 54 to rotate, the brush roller 54 can contact and rub the inner side and the outer side of the semicircular tube 8, the semicircular tube 8 is cleaned, and scales on the inner wall of the semicircular tube 8 are brushed.

Furthermore, as shown in the figures, the front and rear sides of the tubular structure in this embodiment are respectively provided with a guide plate 60, the guide plate 60 is fixedly connected with the bottom of the box body 1 through a connecting rod, and one side of the guide plate 60 close to the semicircular tube 8 is in sliding contact with the outer side of the semicircular tube 8. When the tubular structure that semicircle pipe 8 is constituteed gets into between two front and back deflector 60, the deflector 60 removal is followed in the outside of semicircle pipe 8, can enough make the contact surface close contact cooperation of two semicircle pipes 8 in the tubular structure, can increase tubular structure's stability again.

Furthermore, as shown in the drawings, the water baffle 70 is disposed inside the water inlet 20 according to the embodiment, and the water baffle 70 is fixedly connected to the tank 1. The water guard 70 can buffer the impact force of the wastewater entering the tank 1 through the water inlet hole 20, reducing the disturbance of the wastewater on the top side of the partition plate 9, thereby facilitating the initial precipitation of the wastewater on the top side of the partition plate 9.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a device that is used for high salt waste water zero release of calcium chloride to handle which characterized in that: comprises a box body (1), the left side and the right side of the lower part of the box body (1) are respectively provided with a row of a plurality of vertical shafts (2), the bottom side of the box body (1) is fixedly provided with a first motor (3), the upper end of a rotating shaft of the first motor (3) penetrates through a first preformed hole on the bottom wall of the box body (1) to be fixedly connected with the lower end of one vertical shaft (2), the lower ends of the other vertical shafts (2) are respectively rotatably connected with the bottom of the box body (1) through bearings, the upper ends of the vertical shafts (2) are respectively fixedly provided with a first chain wheel (4), two first chain wheels (4) which are bilaterally symmetrical are respectively in transmission connection through a first chain (5), the lower end of the periphery of the left vertical shaft (2) is fixedly provided with a coaxial gear (6), two transmission gears (7) which are meshed with each other are arranged between the front and the rear adjacent gears, the transmission gear (7) is rotatably arranged at the bottom of the box body (1); the outer side of a plurality of semicircular pipes (8) is uniformly and fixedly connected with the periphery of a first chain (5), the semicircular pipes (8) on the first chain (5) and the corresponding semicircular pipes (8) on the adjacent first chain (5) can form a tubular structure, a partition plate (9) is arranged on the upper part of a box body (1), a through groove (10) is respectively formed in the top side of the partition plate (9) corresponding to the tubular structure, the inner periphery of the through groove (10) is respectively and fixedly connected with the periphery of a vertical pipe (11), the tubular structure can be respectively collinear with the central line of the corresponding vertical pipe (11), the lower end face of the vertical pipe (11) is in sliding contact fit with the upper end face of the semicircular pipe (8), a piston ring (12) is arranged in the vertical pipe (11) in a matched manner, a push rod (13) is movably arranged in an inner hole of the piston ring (12), a first baffle plate (14) is fixedly arranged at the upper end of the, the periphery of ring (15) and the interior week of standpipe (11) pass through connecting rod (16) fixed connection, the bottom side of ring (15) is connected through spring (17) of suit in push rod (13) periphery with the top side of piston ring (12), the lower extreme fixed mounting second baffle (18) of push rod (13), bottom side fixed mounting ball (19) of second baffle (18), the diameter of ball (19) is less than the diameter of standpipe (11), inlet opening (20) are seted up on the upper portion of box (1) one side, apopore (21) are seted up to the bottom of box (1), last steam hole (22) that distribute about setting up is opened to the rear side of box (1), lower steam hole (23), cleaning device is seted up respectively to the interior both sides in the left and right sides of box (1) inside.

2. The device for zero discharge treatment of calcium chloride high-salinity wastewater according to claim 1, characterized in that: semicircular groove (30) are seted up to the upper end of semicircle pipe (8) inboard, the top side of semicircular groove (30), the front side communicate with each other with the outside respectively, semicircular groove (31) are seted up to the bottom side of semicircular groove (30), circular recess can be constituteed in semicircular groove (30) of tubular structure, the annular channel can be constituteed in semicircular groove (31) of tubular structure.

3. The device for zero discharge treatment of calcium chloride high-salinity wastewater according to claim 1, characterized in that: and a rubber pad (40) is fixedly arranged on the top side of the second baffle (18), and the top side of the rubber pad (40) can be in contact fit with the bottom side of the piston ring (12).

4. The device for zero discharge treatment of calcium chloride high-salinity wastewater according to claim 1, characterized in that: the cleaning device comprises rotating rods (50), the left end and the right end of a first chain (5) are respectively provided with the rotating rods (50), a second motor (51) is fixedly installed on the bottom side of the box body (1), a second reserved hole in the bottom side of the box body is penetrated through the upper end of a rotating shaft of the second motor (51), the upper end of the rotating shaft of the second motor (51) is fixedly connected with the lower end of one rotating rod (50), the lower ends of the other rotating rods (50) are rotatably connected with the bottom of the box body (1) through bearings, second chain wheels (52) are respectively and fixedly installed on the lower portions of the peripheries of the rotating rods (50), the second chain wheels (52) are in transmission connection through the same second chain (53), and brush rollers (54) are fixedly installed on the upper portions of the peripheries of the rotating rods (50.

5. The device for zero discharge treatment of calcium chloride high-salinity wastewater according to claim 1, characterized in that: the front side and the rear side of the tubular structure are respectively provided with a guide plate (60), the guide plates (60) are fixedly connected with the bottom of the box body (1) through connecting rods, and one side of each guide plate (60) close to the semicircular pipe (8) is in sliding contact fit with the outer side of the semicircular pipe (8).

6. The device for zero discharge treatment of calcium chloride high-salinity wastewater according to claim 1, characterized in that: the water inlet hole (20) is provided with a water baffle (70) on the inner side, and the water baffle (70) is fixedly connected with the box body (1).