CN111068804B

CN111068804B - Laboratory waste water letter sorting is from handling circulation clean bench

Info

Publication number: CN111068804B
Application number: CN201911171772.0A
Authority: CN
Inventors: 吴剑堃; 吴鹏程
Original assignee: Hefei Chengyue Experimental Equipment Co ltd
Current assignee: Hefei Chengyue Experimental Equipment Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2022-03-29
Anticipated expiration: 2039-11-26
Also published as: CN111068804A

Abstract

The invention relates to a laboratory bench cabinet facility and discloses a laboratory wastewater sorting self-treatment circulating purification workbench which comprises a cabinet body and a table top fixed on the cabinet body, wherein a water tap and a water tank are installed on the table top, the bottom of the water tank is positioned in the cabinet body and is communicated with a sewer pipe, a plurality of wastewater treatment boxes aiming at different wastewater are installed in the cabinet body, a sorting mechanism for selectively guiding waste liquid to different wastewater treatment boxes is installed at the bottom of the sewer pipe, and a circulating mechanism for recycling water in the wastewater is also installed in the cabinet body. The rotating pipe can wind the characteristic of the rotation of the sewer pipe, so that the position of the flow guide pipe can be adjusted, corresponding treatment is carried out in different wastewater treatment tanks for guiding different types of wastewater, the environment pollution caused by direct discharge of the wastewater is avoided, and the environment protection is facilitated.

Description

Laboratory waste water letter sorting is from handling circulation clean bench

Technical Field

The invention relates to a laboratory bench cabinet facility, in particular to a laboratory wastewater sorting self-treatment circulating purification workbench.

Background

The bench cabinet is a common facility in the laboratory, and the laboratory bench cabinet is the combination of an operation platform for laboratory experiments and a cabinet for storing the experimental tools, and plays a role in accommodating the experimental tools and an experimental operation platform.

The common table cabinet is cuboid, flat in upper surface, hollow in interior, and provided with a cabinet door and a drawer for storing experimental instruments. Laboratory bench cabinet has different kinds according to the experiment needs, is provided with the support that the shape is various on some bench cabinets to put experimental apparatus, bench in addition is provided with basin and tap. Wherein, tap and water supply pipe intercommunication for wash the experimental apparatus. The water tank is used for receiving the wastewater and the sewage and discharging or storing the wastewater and the sewage.

At present, a Chinese utility model patent with publication number CN208632151U discloses an activated carbon device for comprehensive wastewater treatment in a laboratory, which comprises a fixed frame, wherein a water inlet tank and a water outlet tank are fixed on the fixed frame, the water outlet tank is positioned below the water inlet tank, the top of the water inlet tank is provided with a wastewater inlet, the bottom of the water inlet tank is hollow and is provided with a filter plate, the bottom of the water inlet tank is provided with a first water outlet funnel, the first water outlet funnel is movably connected with a water outlet component, the water outlet tank is arranged below the water outlet component, and the water outlet tank is provided with an activated carbon adsorption layer; the water outlet assembly comprises a water storage barrel, four water outlet pipes are uniformly arranged at the bottom of the water storage barrel along the circumferential direction of the water storage barrel, a plurality of first water outlet holes are formed in one side of each water outlet pipe, and a plurality of second water outlet holes are formed in the other side of each water outlet pipe; the first water outlet and the second water outlet are arranged in a staggered mode.

Among the above-mentioned technical scheme, the waste water through the filter gets into the aqua storage tank and discharges through the outlet pipe, and the in-process of outlet pipe drainage, water give a thrust of outlet pipe through the in-process of first apopore and second apopore, promote the outlet pipe and rotate along the circumferencial direction to make during the enough even entering into active carbon adsorption layer of hydroenergy, thereby make the adsorption effect of every department of active carbon adsorption layer equal. But has the following disadvantages: the treatment of waste water lacks classification, and different kinds of waste water in laboratories have different properties and need to be treated separately. Therefore, a laboratory wastewater sorting self-treatment circulating purification workbench with a function of respectively treating various types of wastewater is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a laboratory wastewater sorting self-treatment circulating purification workbench which has the function of respectively treating various types of wastewater, reduces the harm of the wastewater to the environment and protects the environment.

The technical purpose of the invention is realized by the following technical scheme:

a laboratory wastewater sorting self-treatment circulating purification workbench comprises a cabinet body and a table top fixed on the cabinet body, wherein a faucet, a water tank and a controller are installed on the table top, the bottom of the water tank is located in the cabinet body and communicated with a sewer pipe, and a sorting mechanism for selectively guiding waste liquid to different wastewater treatment boxes is installed at the bottom of the sewer pipe

Through adopting above-mentioned technical scheme, utilize letter sorting mechanism to carry out corresponding processing in the different waste water treatment case of different kinds of waste water direction, avoided the direct environmental pollution who causes of waste water to be favorable to the environmental protection.

The sorting mechanism comprises a rotating pipe which is rotatably connected to the bottom end of the lower pipe and is communicated with the lower pipe, and the rotating pipe is communicated with a guide pipe which extends obliquely and downwards to guide waste liquid to the bearing opening; be fixed with the cylinder on the internal wall of cabinet, the piston rod of cylinder extends to the rotating-tube, be fixed with the ring gear on the all lateral walls of rotating-tube, a plurality of bar grooves have been seted up to the tailpiece of the piston rod portion of cylinder, bar inslot articulated have with the latch that the ring gear was contradicted, the cross-section of the tooth on latch and the ring gear is right angled triangle, just install the torsional spring on the articulated shaft of latch and bar inslot wall, the internal foot switch who is connected with the controller electricity that still installs of cabinet, the breach that supplies user's foot to stretch into is seted up on cabinet body surface.

By adopting the technical scheme, the position of the flow guide pipe can be adjusted by utilizing the characteristic that the rotating pipe can rotate around the sewer pipe, so that the sorting function is realized, and the classification treatment of the waste water is facilitated; when a piston rod of the air cylinder extends, the latch at the end part of the piston rod is abutted against the teeth on the gear ring and pushes the teeth along with the movement of the piston rod, so that the rotating pipe is driven to rotate, the position of the flow guide pipe is adjusted, and different types of wastewater are guided to different wastewater treatment tanks for classification treatment; when the piston rod retracts, the clamping teeth are pressed into the strip-shaped grooves due to the design that the cross section of the piston rod is in a right-angled triangle shape, so that the air cylinder resets without affecting the rotating pipe, and the position of the flow guide pipe can be conveniently adjusted next time; because in the daily work of operating personnel, articles such as test tubes, reagent need be held to both hands, so foot switch's design has made things convenient for operating personnel to control the position of honeycomb duct.

The invention is further set that an annular groove is formed in the upper surface of the gear ring, a resistance coil is arranged in the annular groove, a plurality of short rods used for supporting the resistance coil are fixed on the inner wall of the annular groove, two ends of the resistance coil are electrically connected with a power supply and a controller, a conductive column with the bottom end abutting against the resistance coil is fixed at the bottom of the water tank, the top end of the conductive column is electrically connected with the controller, a plurality of indicator lamps and a buzzer are further installed on the table board, and the indicator lamps and the buzzer are both electrically connected with the controller.

Through adopting above-mentioned technical scheme, utilize resistance coil and lead electrical connection that electrical pillar realized controller and pilot lamp, bee calling organ and resistance coil, because resistance coil rotates when different positions, its resistance is different, therefore the electric current size through leading electrical pillar is different, thereby be convenient for the controller discernment resistance coil's position, thereby judge the position of rotating tube pivoted angle and honeycomb duct, and through pilot lamp and bee calling organ suggestion user, its degree of accuracy is high, the possibility of user's maloperation has been reduced.

The invention is further set in such a way that the bottom of the rotating pipe is communicated with a straight pipe, one end of the straight pipe is rotatably connected with the rotating pipe, the other end of the straight pipe is communicated with a settling tank which is arranged in the cabinet body and used for settling, an electric three-way valve used for switching the flow direction of wastewater is arranged on the rotating pipe, a funnel is integrally formed in the settling tank, a waterproof bag is sleeved on the funnel, an annular plate which is abutted against the edge of the opening of the waterproof bag is fixed on the outer side wall of the funnel, and an annular weight used for clamping the edge of the opening of the waterproof bag is arranged on the annular plate.

By adopting the technical scheme, the direct drain pipe and the settling tank are arranged so as to facilitate the settling treatment of the wastewater without corrosiveness and other components, such as domestic water, and the like, and facilitate the recycling of the part of wastewater; due to the design of the funnel and the waterproof bag in the settling tank, a user can conveniently clean sundries settled at the bottom of the waterproof bag; the detachable connection between the annular plate and the annular weight improves the convenience of waterproof bag replacement.

The invention is further arranged in such a way that the settling tanks are communicated with a first water outlet pipe, each wastewater treatment tank is communicated with a second water outlet pipe, the cabinet body is internally provided with a drawing tank communicated with the first water outlet pipe and the second water outlet pipe, the drawing tank is filled with drawing liquid for drawing water in the first water outlet pipe and the second water outlet pipe, and forward osmosis membranes are arranged at the communication parts of the first water outlet pipe and the second water outlet pipe and the drawing tank.

Through adopting above-mentioned technical scheme, utilize the liquid of drawing of high concentration and forward osmosis membrane to draw the jar in with the moisture in first outlet pipe and the second outlet pipe to this has realized moisture recovery, and the water resource has been saved to the follow-up cyclic utilization of being convenient for.

The invention is further provided that a liquid storage tank and a concentration tank are respectively arranged at two ends of the drawing tank, a circulating pump is communicated in front of the liquid storage tank and the drawing tank, a booster pump is communicated between the concentration tank and the drawing tank, a reverse osmosis membrane is arranged in the concentration tank, and a liquid conveying pipe for conveying concentrated liquid to the liquid storage tank is communicated with the concentration tank.

Through adopting above-mentioned technical scheme, utilize reverse osmosis technology to concentrate the liquid of drawing after the dilution to in sending the liquid storage pot with the liquid of drawing after the concentration, realized drawing the cyclic utilization of liquid.

The invention is further provided that the concentration tank is also communicated with a water pipe and a water pump which are used for conveying the fresh water obtained by reverse osmosis to the faucet.

By adopting the technical scheme, the water in the absorption liquid is pressed out by utilizing the reverse osmosis technology, and the water is recycled to the faucet through the water delivery pipe, so that the cyclic utilization of water resources is realized, and the water resources are effectively saved.

The invention is further arranged in that the part of the water delivery pipe exposed on the table top forms a detection part, the detection part is S-shaped and made of transparent materials, and a protective frame for protecting the detection part is fixed on the table top.

Through adopting above-mentioned technical scheme, utilize transparent material's detection portion in order to show the colour and the muddy condition of the rivers of its interior process to the user simply judges quality of water, and the protective frame has played the guard action, avoids detection portion impaired in daily use, prolongs its life.

The invention is further provided that the detection part is provided with a pH tester for detecting the pH value of the reuse water and a conductivity tester for detecting the conductivity of the reuse water.

By adopting the technical scheme, the pH tester is utilized to detect the acidity and alkalinity of the reuse water, so that the non-corrosiveness of the reuse water is ensured; the conductivity meter can detect the ion concentration therein, indirectly reflect the purity of the reuse water, thereby facilitating the real-time understanding of the water quality in use.

The invention is further arranged that one end of each of the first water outlet pipe and the second water outlet pipe close to the drawing tank is communicated with a branch pipe, a liquid discharge pipe communicated with all the branch pipes is arranged in the cabinet body, the branch pipes are provided with electromagnetic valves electrically connected with the controller, and water level sensors electrically connected with the controller are arranged in the settling tank and the wastewater treatment tank.

Through adopting above-mentioned technical scheme, utilize the fluid-discharge tube will handle through waste water treatment case and draw the waste water discharge after the jar draws to through the water level in level sensor real-time supervision setting tank and the waste water treatment case, when the water level was too high, the controller control solenoid valve opened, with this reduction water level, avoided setting tank and waste water treatment case to break down.

The invention is further provided that a plurality of wastewater treatment tanks are covered with a protective cover together, the rotating pipe penetrates through the protective cover and is connected with the protective cover in a rotating way, and the joint is provided with a sealing ring.

Through adopting above-mentioned technical scheme, utilize the protection casing to cover a plurality of mouthfuls and rotating-tube to adopt the sealing washer to seal the processing, thereby avoid the gas in the protection casing to overflow and scatter to the outside, play the effect of the smell of isolated waste water.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the scheme utilizes sorting to guide different types of wastewater into different wastewater treatment boxes for corresponding treatment, thereby avoiding environmental pollution caused by direct discharge of the wastewater and being beneficial to environmental protection;

2. according to the scheme, the protective cover is used for covering the plurality of the bearing ports and the rotating pipes, and sealing treatment is performed by the sealing rings, so that gas in the protective cover is prevented from overflowing to the outside, and the effect of isolating the smell of the wastewater is achieved;

3. this scheme utilizes the liquid of drawing of high concentration and forward osmosis membrane to draw the jar to drawing the moisture in first outlet pipe and the second outlet pipe to this has realized moisture recovery, and the follow-up cyclic utilization of being convenient for has saved the water resource, and utilizes the reverse osmosis technique to concentrate the liquid of drawing after diluting, and send the liquid of drawing after will concentrating into the liquid storage pot, has realized the cyclic utilization of the liquid of drawing.

Drawings

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

FIG. 2 is a schematic view of the interior of the cabinet of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2;

FIG. 4 is a schematic sectional view of the cylinder and the rotary tube according to the present invention;

FIG. 5 is a schematic sectional view of the settling tank of the present invention;

fig. 6 is a block diagram of the connection of the controller to the various components of the present invention.

Reference numerals: 1. a cabinet body; 11. a cabinet door; 12. a drawer; 13. a notch; 2. a table top; 21. a water tank; 22. a faucet; 23. a sewer pipe; 24. a protective frame; 3. a wastewater treatment tank; 31. a socket; 32. a second water outlet pipe; 33. a branch pipe; 34. an electromagnetic valve; 35. a liquid discharge pipe; 4. rotating the tube; 41. a flow guide pipe; 42. a straight pipe; 43. an electric three-way valve; 44. a drive assembly; 441. a cylinder; 442. a strip-shaped groove; 443. clamping teeth; 444. a torsion spring; 445. a ring gear; 446. an annular groove; 451. a resistance coil; 452. a controller; 453. an indicator light; 454. a buzzer; 455. a foot switch; 456. a conductive post; 46. a protective cover; 5. a settling tank; 51. a first water outlet pipe; 52. a side door; 521. a short handle; 53. a funnel; 531. an annular plate; 532. an annular weight; 54. a waterproof bag; 55. a water level sensor; 6. a drawing tank; 61. a liquid storage tank; 62. a circulation pump; 64. a booster pump; 65. a concentration tank; 66. a water pump; 67. a water delivery pipe; 671. a detection unit; 672. a pH tester; 673. a conductivity meter; 68. an infusion tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the laboratory wastewater sorting self-treatment circulating purification workbench comprises a cabinet body 1, wherein the cabinet body 1 is cuboid, the interior of the cabinet body is hollow, and a table top 2 is arranged on the cabinet body. Two drawers 12 are also mounted on the front of the cabinet 1 for storing articles and utensils for a user. The cabinet door 11 is installed on both sides of the cabinet body 1, and one side of the cabinet door 11 is hinged with the cabinet body 1, so that a user can open and close conveniently. A water tap 22 is arranged in the middle of one side edge of the table top 2 and used for supplying water. The middle part of the table-board 2 is provided with a water tank 21 for receiving waste water and sewage.

As shown in fig. 1 and 2, a drain pipe 23 is connected to the bottom of the water tank 21 to drain water in the water tank 21. Referring to fig. 3, a sorting mechanism is installed at the bottom of the downcomer 23, and the sorting mechanism includes a rotating pipe 4, a flow guide pipe 41 and a rotating assembly. The rotating pipe 4 is in a round pipe shape, the top of the rotating pipe is rotatably connected with the downcomer 23, the top of the rotating pipe 4 is provided with an inwardly extending flange, and the bottom of the downcomer 23 is provided with an outwardly extending flange, so that the rotating pipe 4 is supported. A draft tube 41 is communicated with the rotating tube 4, one end of the draft tube 41 is connected with the rotating tube 4, and the other end of the draft tube 41 is inclined downwards and extends. A plurality of waste water treatment case 3 have been placed to cabinet body 1 inside, and each waste water treatment case 3 corresponds the processing of a categorised waste water, and a plurality of waste water treatment case 3 encircle around rotating tube 4 and evenly distributed. The wastewater treatment tank 3 may be set according to experimental conditions, including but not limited to, organic wastewater, inorganic wastewater, wastewater containing heavy metals, wastewater containing iron oxide, wastewater containing compounds of other metal oxides, wastewater containing mercury and compounds thereof, wastewater containing organic mercury compounds, wastewater containing cyanide wastes, phosphoric acid-based waste liquid, and domestic wastewater. Each wastewater treatment tank 3 is provided at the top with a socket 31, the socket 31 communicates with the wastewater treatment tank 3, and a draft tube 41 is provided at the end thereof so as to introduce wastewater into the wastewater treatment tank 3. Referring to fig. 4, the rotating assembly includes a cylinder 441 mounted on the inner wall of the cabinet 1, one end of the cylinder 441 is fixed on the inner wall of the cabinet 1 with a larger area, and the other end extends toward the rotating pipe 4. And a piston rod of the cylinder 441 is provided with a plurality of strip-shaped grooves 442, and the plurality of strip-shaped grooves 442 are uniformly arranged and distributed along the length direction of the cylinder 441. And a latch 443 is installed in each slot 442, and the section of the latch 443 is a right triangle. A gear ring 445 is fixed on the peripheral side wall of the rotating tube 4, teeth with right-angled triangle sections are uniformly distributed on the peripheral side of the gear ring 445, and the gear ring 445 is matched with the latch 443. When the piston rod of the cylinder 441 extends, the plane of the latch 443 at the end of the piston rod is abutted with the plane of the teeth on the gear ring 445, the latch 443 pushes the gear ring 445 to rotate along with the continuous extension of the piston rod, and when the piston rod extends to the maximum, the gear ring 445 drives the rotating pipe 4 to rotate by one station, so that the position of the flow guide pipe 41 is changed, and different types of wastewater are guided to different wastewater treatment tanks 3 for classification treatment; when the piston rod retracts, the latch 443 is pressed into the strip-shaped groove 442 due to the right-angled triangle-shaped cross section, so that the cylinder 441 is reset without affecting the rotating tube 4, and the position of the guide tube 41 can be adjusted conveniently next time. The bottom of the cabinet body 1 is further provided with a foot switch 455, the cabinet body 1 is provided with a notch 13 for the foot of the user to extend into, and the foot switch 455 is electrically connected with the cylinder 441 and is used for controlling the opening and closing of the cylinder 441.

As shown in fig. 2 and 4, a plurality of indicator lamps 453 and a buzzer 454 are further mounted on the table top 2, a controller 452 is fixed on the lower surface of the table top 2, and the controller 452 is electrically connected to the indicator lamps 453 and the buzzer 454. A ring of annular groove 446 is formed in the upper surface of the gear ring 445, the central axis of the annular groove 446 coincides with the central axis of the rotating pipe 4, a plurality of short rods (not shown) are fixed to the inner wall of the annular groove 446, and the resistance coil 451 is arranged in the annular groove 446 and is used for supporting the resistance coil 451. Both ends of the resistance coil 451 are electrically connected to the power supply and the controller 452, and as shown in fig. 3 and fig. 6, a conductive pillar 456 is further fixed at the bottom of the water tank 21, the bottom end of the conductive pillar 456 abuts against the resistance coil 451, and the other end is electrically connected to the controller 452. When the cylinder 441 drives the gear ring 445 to rotate, the resistance coil 451 rotates relative to the conductive column 456, when the conductive column 456 is in contact with the resistance coil 451 at different positions, the current of the conductive column 456 changes due to the change of the resistance, and after the current signal is transmitted to the controller 452, the controller 452 outputs an electric signal after recognizing the electric signal, controls the on and off of the indicator lamp 453 and the serial number of the wastewater treatment tank 3 broadcasted by the buzzer 454, so that a user is prompted about the position of the draft tube 41 at the moment.

As shown in fig. 2 and 3, a protective cover 46 is commonly covered on the plurality of wastewater treatment tanks 3, the protective cover 46 is hemispherical, the bottom of the protective cover 46 abuts against the upper surface of the wastewater treatment tank 3, and the top of the protective cover is provided with an opening through which the rotating pipe 4 passes. The rotating pipe 4 is rotatably connected with the protective cover 46, and a sealing ring is arranged between the rotating pipe 4 and the protective cover 46 for preventing gas in the protective cover 46 from overflowing and scattering to the outside, thereby playing a role in isolating the smell of waste water.

The bottom of the rotating pipe 4 is communicated with a straight-line pipe 42, one end of the straight-line pipe 42 is bent and extended to the outside of the protective cover 46, the precipitation box 5 is placed in the cabinet body 1, and one end of the straight-line pipe 42 extended to the outside of the protective cover 46 is communicated with the precipitation box 5. An electric three-way valve 43 is installed on the rotary pipe 4, and the three-way valve 43 corresponds to the rotary pipe 4, the straight discharge pipe 42 and the draft pipe 41 respectively and is used for switching the flowing direction of the waste water. The settling tank 5 is used for settling wastewater without corrosiveness and other components, such as domestic water, and as shown in fig. 5, the settling tank 5 is rectangular, a funnel 53 is integrally formed on the inner wall of the settling tank 5, and the diameter of the bottom of the funnel 53 is smaller than that of the top of the funnel. A ring-shaped plate 531 is fixed to the outer side wall of the funnel 53, and the ring-shaped plate 531 is made of metal. The annular plate 531 is sleeved with a waterproof bag 54, the waterproof bag 54 is used for containing precipitated impurities and water, and the opening edge of the waterproof bag 54 is abutted to the upper surface of the annular plate 531. The annular plate 531 is further provided with a plurality of annular weights 532, and each annular weight 532 is arc-shaped and is spliced into an annular shape. In this embodiment, the annular weight 532 is made of a magnet and can be attached to the annular plate 531 to enhance the clamping of the waterproof bag 54. Side door 52 is installed on one side of settling tank 5, and side door 52 can be side-opening type or turn down the formula, and in this embodiment, the bottom of side door 52 is articulated with settling tank 5 bottom, and is fixed with the short handle 521 that the user of being convenient for opened and close side door 52 on the outside surface top of side door 52. The top of the settling tank 5 is also communicated with a first water outlet pipe 51 for leading out supernatant in the settling tank 5. The settling tank 5 and the wastewater treatment tank 3 are both provided with a water level sensor 55, the water level sensor 55 is electrically connected with the controller 452, in this embodiment, the water level sensor 55 adopts a DATA-51 series for monitoring dynamic water level and transmitting a detection signal to the controller 452, and the controller 452 determines whether water drainage is required after identification.

As shown in fig. 2 and 3, a drawing tank 6 is further disposed in the cabinet 1, the drawing tank 6 is disposed horizontally, the length direction thereof is the same as the length direction of the cabinet 1, and a liquid storage tank 61 and a concentration tank 65 are disposed at both ends thereof, respectively. The liquid storage tank 61 stores high-concentration draw solution, and in this embodiment, sodium chloride solution with a concentration of 5% -15% is selected as the draw solution, so that the property is stable and the cost is low. The liquid storage tank 61 is communicated with the front of the drawing tank 6 by a circulating pump 62, and the circulating pump 62 is used for conveying the drawing liquid from the liquid storage tank 61 to the drawing tank 6. Each wastewater treatment tank 3 is communicated with a second water outlet pipe 32, the first water outlet pipe 51 and the second water outlet pipe 32 are communicated with a drawing tank 6, and a forward osmosis membrane is arranged at the communication position. A booster pump 64 is connected between the concentration tank 65 and the dip tank 6, and the booster pump 64 is used for increasing the pressure of the draw solution. A reverse osmosis membrane is installed in the concentration tank 65, and the water in the draw solution is pressed out by using a reverse osmosis technology. The concentration tank 65 is provided with a circulating mechanism which comprises a water pipe 67 and a water pump 66, one end of the water pipe 67 is communicated with the concentration tank 65, the end part of the water pipe 67 is positioned at the bottom of the back side of the concentration tank 65, the tail end of the water pipe 67 is communicated with the water tap 22, and the water pipe 67 is also communicated with a municipal water delivery system (not shown) so as to provide sufficient water source. A water pump 66 is mounted on the water duct 67 for delivering fresh water obtained by reverse osmosis to the faucet 22. The concentration tank 65 is also communicated with a transfusion tube 68, one end of the transfusion tube 68 is communicated with the upper part of the concentration tank 65, and the other end is communicated with the liquid storage tank 61, and is used for conveying the concentrated drawing liquid back to the liquid storage tank 61 for recycling.

Supernatant in the settling tank 5 enters the drawing tank 6 through the first water outlet pipe 51 and the forward osmosis membrane, treated wastewater discharged from the wastewater treatment tank 3 enters the drawing tank 6 through the second water outlet pipe 32 and the forward osmosis membrane, after the drawing liquid enters the drawing tank 6 from the liquid storage tank 61, as the concentration of the drawing liquid is higher than that of liquid in the first water outlet pipe 51 and the second water outlet pipe 32, moisture in the first water outlet pipe 51 and the second water outlet pipe 32 permeates into the drawing tank 6, and as the moisture continuously enters the drawing tank 6, the concentration of the drawing liquid is reduced, after the drawing liquid enters the concentration tank 65, the reverse osmosis membrane realizes concentration of the diluted drawing liquid, so that the moisture is separated again and recycled through the water pump 66 and the water conveying pipe 67. The concentrated drawing liquid enters the liquid storage tank 61 through the liquid conveying pipe 68 for recycling, so that the recycling of the drawing liquid is realized, and the cost is saved.

Branch pipes 33 are communicated with one ends, close to the drawing tank 6, of the first water outlet pipe 51 and the second water outlet pipe 32, the branch pipes 33 extend downwards, a liquid discharge pipe 35 is further arranged in the cabinet body 1, the length direction of the liquid discharge pipe 35 is consistent with the length direction of the cabinet body 1, the liquid discharge pipe 35 is communicated with a municipal sewage pipeline, and the bottom of each branch pipe 33 is communicated with the liquid discharge pipe 35. The branch pipe 33 is further provided with a solenoid valve 34, and the solenoid valve 34 is electrically connected to the controller 452 to automatically discharge the waste water.

As shown in fig. 2, the part of the water pipe 67 exposed on the table top 2 forms a detection portion 671, the detection portion 671 is S-shaped and extends in a bent manner, and the detection portion 671 is made of transparent material, such as plastic and glass, to show the color and turbidity of the water flowing therein. A protection frame 24 for protecting the detection portion 671 is further fixed on the table top 2. The tips of the plurality of bent portions of the detection portion 671 are respectively provided with a pH meter 672 and a conductivity meter 673, both of which are electrically connected to the controller 452. In this embodiment, the pH tester 672 employs a BPH-220 tester for detecting the pH value of the reuse water; the conductivity meter 673 is of the portable BEC520 type for detecting the conductivity of the reuse water. When the pH value or the conductivity exceeds the range of normal purified water, signals of the pH tester 672 and the conductivity tester 673 are transmitted to the controller 452, the controller 452 identifies and outputs the signals, and controls the indicator lamp 453 to flash and the buzzer 454 to alarm, so that a user is reminded of using the reuse water carefully to check faults in time.

This embodiment is when using, after the user judges good waste water kind, can step on foot switch 455, realize the control to the flexible number of times of cylinder 441 through stepping on the number of times, with this position of adjusting rotating tube 4 and honeycomb duct 41, when the pilot lamp 453 of the waste water treatment case 3 that corresponds waste water kind lights, bee calling organ 454 reports correctly, just can test or discharge waste water, waste water gets into corresponding waste water treatment case 3 through rotating tube 4 and honeycomb duct 41 and handles, finally waste water discharges into municipal sewage system through fluid-discharge tube 35, can recycle after partial moisture draws through drawing jar 6.

Above-mentioned scheme utilizes rotating tube 4 can be around the rotatory characteristic of downcomer 23 for the position of honeycomb duct 41 can be adjusted, carries out corresponding processing with different kinds of waste water direction in the different waste water treatment case 3 with this, has avoided the direct environmental pollution who causes of waste water, thereby is favorable to the environmental protection.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A laboratory wastewater sorting self-treatment circulating purification workbench comprises a cabinet body (1) and a table top (2) fixed on the cabinet body (1), wherein a faucet (22), a water tank (21) and a controller (452) are installed on the table top (2), the bottom of the water tank (21) is positioned in the cabinet body (1) and is communicated with a sewer pipe (23), the laboratory wastewater sorting self-treatment circulating purification workbench is characterized in that a plurality of wastewater treatment boxes (3) for different types of wastewater are installed in the cabinet body (1), a sorting mechanism for selectively guiding waste liquid to different wastewater treatment boxes (3) is installed at the bottom of the sewer pipe (23), the wastewater treatment boxes (3) are uniformly distributed along an annular shape, a receiving port (31) is formed in each wastewater treatment box (3), the sorting mechanism comprises a rotating pipe (4) which is rotatably connected to the bottom end of the sewer pipe (23) and is communicated with the sewer pipe (23), a draft tube (41) which extends obliquely downwards to guide the waste liquid to the receiving opening (31) is communicated with the rotating tube (4); a cylinder (441) electrically connected with the controller (452) is fixed on the inner wall of the cabinet body (1), a piston rod of the cylinder (441) extends to the rotating pipe (4), a gear ring (445) is fixed on the peripheral side wall of the rotating pipe (4), a plurality of strip-shaped grooves (442) are formed in the end portion of the piston rod of the cylinder (441), a latch (443) which is abutted against the gear ring (445) is hinged in each strip-shaped groove (442), the cross sections of the teeth on the latch (443) and the gear ring (445) are right-angled triangles, a torsion spring (444) is installed on a hinge shaft of the inner wall of each latch (443) and each strip-shaped groove (442), a foot switch (455) electrically connected with the controller (452) is further installed in the cabinet body (1), a notch (13) for the foot of a user to stretch into is formed in the surface of the cabinet body (1), and a straight-line pipe (42) is communicated with the bottom of the rotating pipe (4), direct vent (42) one end is rotated with rotating tube (4) and is connected, and other end intercommunication has and places precipitation box (5) that are used for the sediment in the cabinet body (1), just install on rotating tube (4) and be used for switching over electric three-way valve (43) that waste water flows, electric three-way valve (43) with controller (452) electricity is connected, integrated into one piece has funnel (53) in precipitation box (5), the cover is equipped with waterproof bag (54) on funnel (53), be fixed with on funnel (53) lateral wall with annular slab (531) of contradicting with waterproof bag (54) opening edge, placed on annular slab (531) and be used for with waterproof bag (54) opening edge tight annular weight (532), annular slab (531) are made by ferromagnetic metal, annular weight (532) are made by magnet.

2. The laboratory wastewater sorting self-disposing circulating purification workbench according to claim 1, wherein an annular groove (446) is formed in the upper surface of the gear ring (445), a resistance coil (451) is arranged in the annular groove (446), a plurality of short rods for supporting the resistance coil (451) are fixed on the inner wall of the annular groove (446), two ends of the resistance coil (451) are electrically connected with a power supply and a controller (452), a conductive column (456) with the bottom end abutting against the resistance coil (451) is fixed at the bottom of the water tank (21), the top end of the conductive column (456) is electrically connected with the controller (452), a plurality of indicator lamps (453) and a buzzer (454) are further mounted on the table top (2), and the indicator lamps (453) and the buzzer (454) are electrically connected with the controller (452).

3. The laboratory wastewater sorting self-disposal circulating purification workbench according to claim 1, wherein the settling tank (5) is communicated with a first water outlet pipe (51), each wastewater treatment tank (3) is communicated with a second water outlet pipe (32), a suction tank (6) communicated with the first water outlet pipe (51) and the second water outlet pipe (32) is arranged in the cabinet body (1), a suction liquid for sucking water in the first water outlet pipe (51) and the second water outlet pipe (32) is filled in the suction tank (6), and a forward osmosis membrane is arranged at the communication position of the first water outlet pipe (51) and the second water outlet pipe (32) and the suction tank (6).

4. The laboratory wastewater sorting self-disposal circulating purification workbench according to claim 3, wherein a liquid storage tank (61) and a concentration tank (65) are respectively placed at two ends of the drawing tank (6), a circulating pump (62) electrically connected with the controller (452) is communicated in front of the liquid storage tank (61) and the drawing tank (6), a booster pump (64) electrically connected with the controller (452) is communicated between the concentration tank (65) and the drawing tank (6), a reverse osmosis membrane is arranged in the concentration tank (65), and a liquid conveying pipe (68) for conveying concentrated liquid to the liquid storage tank (61) is communicated on the concentration tank (65).

5. The laboratory wastewater sorting self-disposal circulating purification workbench according to claim 4, wherein the concentration tank (65) is further provided with a circulating mechanism, the circulating mechanism comprises a water pipe (67) and a water pump (66) which are communicated with the concentration tank (65) and used for conveying fresh water obtained by reverse osmosis to the water faucet (22), and the water pump (66) is electrically connected with the controller (452).

6. The laboratory wastewater sorting self-disposal circulation purification workbench according to claim 5, characterized in that the part of the water pipe (67) exposed on the bench top (2) forms a detection part (671), the detection part (671) is S-shaped and made of transparent material, the detection part (671) is provided with a pH tester (672) for detecting the pH value of the reuse water and an electric conductivity tester (673) for detecting the electric conductivity of the reuse water, and the bench top (2) is fixed with a protection frame (24) for protecting the detection part (671).

7. The laboratory wastewater sorting self-disposal circulating purification workbench according to claim 3, wherein branch pipes (33) are communicated with one ends of the first water outlet pipes (51) and each second water outlet pipe (32) close to the drawing tank (6), a drain pipe (35) communicated with all the branch pipes (33) is arranged in the cabinet body (1), electromagnetic valves (34) electrically connected with a controller (452) are arranged on the branch pipes (33), and water level sensors (55) electrically connected with the controller (452) are arranged in the settling tank (5) and the wastewater treatment tank (3).

8. The laboratory wastewater sorting self-disposal circulating purification workbench according to claim 1, characterized in that a protective cover (46) is covered on a plurality of wastewater treatment boxes (3), the rotary pipe (4) penetrates through the protective cover (46) and is connected with the protective cover in a rotary manner, and a sealing ring is arranged at the connection position.