Disclosure of Invention
Therefore, a laboratory waste liquid classification device is needed to be provided to solve the problem of difficulty in recovering laboratory waste liquid.
In order to achieve the above object, the inventor provides a laboratory waste liquid sorting device, comprising a water tank, a sorting pipeline, a sealing element and a control system;
the inner wall of the water tank is coated with an anticorrosive layer, and the bottom of the water tank is provided with a water tank liquid outlet;
the separation pipeline comprises a horizontal pipeline and a vertical pipeline which are vertically connected, a liquid inlet is arranged above the vertical pipeline and is connected with a liquid outlet of the water tank, a neutral liquid outlet is formed in the side wall of the vertical pipeline, an acid liquid outlet and an alkali liquid outlet are arranged below the horizontal pipeline, the sealing element is arranged in the horizontal pipeline, the size of the sealing element is matched with the inner diameter of the horizontal pipeline, the size of the upper end face of the sealing element is matched with the intersection of the horizontal pipeline and the vertical pipeline, and the size of the lower end face of the sealing element is matched with the acid liquid outlet and the alkali liquid outlet;
the control system comprises a PH sensor, a controller, a first assembly and a second assembly, wherein the PH sensor is arranged on the inner side of the water tank, the first assembly and the second assembly are respectively arranged at two ends of the horizontal pipeline, the first assembly comprises a first electromagnet and a first magnetic block, the second assembly comprises a second electromagnet and a second magnetic block, homopolarities of the first magnetic block and the second magnetic block face the direction of the sealing element and are connected with the sealing element, and the PH sensor is respectively and electrically connected with the first electromagnet and the second electromagnet through the controller;
the neutral liquid outlet is arranged at the lower end of the vertical pipeline, and an inverted U-shaped neutral liquid outlet pipe is arranged at the neutral liquid outlet.
The first assembly further comprises a first shell, the first shell is of a hollow shell-shaped structure and is connected to one side of the horizontal pipeline, a first through hole is formed in one side, facing the horizontal pipeline, of the first shell, the first magnet is connected with the first electromagnet through a first connecting rod, and the first connecting rod penetrates through the first through hole;
the second assembly further comprises a second shell, the second shell is of a hollow shell-shaped structure and is connected to the other side of the horizontal pipeline, a second through hole is formed in one side, facing the horizontal pipeline, of the second shell, the second magnet is connected with the second electromagnet through a second connecting rod, and the second connecting rod penetrates through the second through hole.
Further, the sealing element is at a first position when blocking the intersection of the horizontal pipeline and the vertical pipeline, the sealing element is at a second position when blocking the alkaline liquid outlet, and the sealing element is at a third position when blocking the acidic liquid outlet;
and the distance between the first position and the second position is the same as that between the first position and the third position.
Furthermore, a first sealing ring is arranged between the first connecting rod and the first through hole, and a second sealing ring is arranged between the second connecting rod and the second through hole.
Further, a liquid outlet switch is arranged at the liquid outlet of the water tank, the liquid outlet switch is electrically connected with the controller, and the controller controls the opening and closing of the liquid outlet switch.
Furthermore, the anticorrosive layer is made of ZS-1034 acid and alkali resistant anticorrosive paint.
Further, the bottom of the water tank is arc-shaped.
Different from the prior art, the technical scheme has the following advantages: utilize the pH sensor among the control system to detect the pH value of waste liquid, the work of first electro-magnet of rethread controller control or second electro-magnet realizes that the position of sealing member removes to open the pipeline that corresponds, reach the effect that different waste liquids were retrieved fast, and this laboratory waste liquid sorter can directly install under current laboratory bench basin, has the convenient advantage of transformation.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, 2 and 3, the present invention provides a laboratory waste liquid sorting apparatus, which includes a water tank 1, a sorting pipeline, a sealing member 2 and a control system;
the water tank can be prepared by the existing experiment table, in order to avoid experiment waste liquid from corroding the water tank, a ZS-1034 acid and alkali resistant anticorrosive paint layer can be coated on the inner wall of the water tank, the ZS-1034 acid and alkali resistant anticorrosive paint layer has high compactness, can effectively shield gas and corrosive liquid from permeating, well prevent acid and alkali corrosion medium physical and chemical reactions, and the ZS-1034 acid and alkali resistant anticorrosive paint has the temperature resistance range of-45 ℃ to 150 ℃, and can meet the basic requirements of common laboratories.
The bottom of the water tank is provided with a water tank liquid outlet 11, the separation pipeline is connected below the water tank, and a liquid inlet of the separation pipeline is connected with the water tank liquid outlet.
The sorting pipeline comprises a vertical horizontal pipeline 31 and a vertical pipeline 32 which are vertically connected, the upper end opening of the vertical pipeline is a liquid inlet of the sorting pipeline, a neutral liquid outlet 33 is formed in the side wall of the vertical pipeline, an acid liquid outlet 34 and an alkali liquid outlet 35 are arranged below the horizontal pipeline, interfaces are arranged on the neutral liquid outlet, the acid liquid outlet and the alkali liquid outlet, and the neutral liquid outlet, the acid liquid outlet and the alkali liquid outlet are respectively connected with a neutral liquid waste liquid barrel, an acid liquid waste liquid barrel and an alkali liquid waste liquid barrel through the interfaces.
The sealing element is used for switching on and off the water tank and the neutral liquid outlet, the acid liquid outlet or the alkali liquid outlet, and respectively conveying the liquid poured into the water tank into different liquid outlets to finish the waste liquid recovery work. The sealing element is made of polytetrafluoroethylene, and the polytetrafluoroethylene has strong acid resistance and alkali resistance.
The sealing member sets up in horizontal pipeline, sealing member size and horizontal pipeline internal diameter looks adaptation, the surface of sealing member closely laminates with horizontal pipeline's inner wall, just the up end size of sealing member and the crossing department looks adaptation of horizontal pipeline and vertical pipeline, the lower terminal surface size and acidizing fluid liquid outlet and alkali lye liquid outlet looks adaptation of sealing member. As shown in fig. 1, when the sealing member is located at the first position, the water in the water tank enters the vertical pipeline and is output to the neutral liquid waste liquid barrel through the neutral liquid outlet; when the sealing element is at the second position, the water in the water tank enters the horizontal pipeline from the vertical pipeline and is output to the acid liquid waste liquid barrel from the acid liquid outlet as shown in fig. 2; when the sealing member is at the third position, the water in the water tank enters the horizontal pipeline from the vertical pipeline and is output to the waste liquid barrel of the alkaline liquid from the alkaline liquid outlet, as shown in fig. 3.
The control system comprises a pH sensor 41, a controller 42, a first component 43 and a second component 44, wherein the pH sensor is arranged on the inner side of the water tank, the pH sensor is a sensor which can detect the pH value of a solution and convert the pH value into a corresponding available output signal, and the control system is characterized in that: has waterproof function; the chemical corrosion resistance is strong, the whole body is sealed, and the leakage phenomenon can be eliminated; long service life and good performance in toxic ion water solution.
The PH sensor is characterized in that the first assembly and the second assembly are respectively arranged at two ends of the horizontal pipeline, the first assembly comprises a first electromagnet 431 and a first magnetic block 432, the second assembly comprises a second electromagnet 441 and a second magnetic block 442, homopolarity of the first magnetic block and homopolarity of the second magnetic block face to the direction of the sealing element and are connected with the sealing element, and the PH sensor is respectively and electrically connected with the first electromagnet and the second electromagnet through a controller. When the S poles of the first magnetic block and the second magnetic block face the direction of the sealing piece, the N poles are arranged at the end, facing the first electromagnet, of the first magnetic block and the end, facing the second electromagnet, of the second magnetic block.
When the laboratory waste liquid sorting device is used, the sealing element is located at the first position, and the position of the sealing element at the time is the initial position. In pouring the basin with the waste liquid, the PH sensor setting in the basin inboard detects the PH value of waste liquid, and the PH sensor converts the PH numerical value that detects into the signal of telecommunication and transmits to the controller. The controller controls the first electromagnet and the second electromagnet to work according to the following three conditions: firstly, when the PH sensor detects that the waste liquid is neutral, the controller controls the first electromagnet and the second electromagnet to generate magnetic force with the same magnetic force, and the end of the first electromagnet facing the sealing piece and the end of the second electromagnet facing the sealing piece are both S poles or both N poles, at the moment, the attraction/repulsion force generated by the first electromagnet to the first magnetic block is equal to the attraction/repulsion force generated by the second electromagnet to the second magnetic block, at the moment, the acting forces exerted on the two ends of the sealing piece are the same, the sealing piece keeps the initial position immovable, and after water in the water tank enters the vertical pipeline, the water is output to a waste liquid barrel of neutral liquid from a liquid outlet. The second, when PH sensor detects the waste liquid and is acidity, the controller control second electro-magnet produces magnetic force, and the second electro-magnet is the S utmost point towards the one end of sealing member, and at this moment, the second magnetic path is attracted towards the N utmost point of second electro-magnet direction to with the sealing member to the pulling of second position direction, after the water in the basin gets into the horizontal pipeline from vertical pipeline, export the acid liquid waste liquid bucket by the acid liquid outlet. And the third mode is that when the PH sensor detects that the waste liquid is alkaline, the controller controls the first electromagnet to generate magnetic force, the first electromagnet is S-pole towards one end of the sealing element, at the moment, the first magnetic block is attracted towards the N pole in the direction of the first electromagnet, so that the sealing element is pulled towards the third position, and water in the water tank is output into the alkaline liquid waste liquid barrel from the alkaline liquid outlet after entering the horizontal pipeline from the vertical pipeline.
In some preferred embodiments, the first assembly further includes a first housing 433, the first housing is a hollow shell-shaped structure, the first housing is connected to one side of the horizontal pipeline, one side of the first housing facing the horizontal pipeline is provided with a first through hole, the first magnetic block is connected to the first electromagnet through a first connecting rod, and the first connecting rod is inserted into the first through hole;
the second assembly further comprises a second casing 443, the second casing is of a hollow shell-shaped structure, the second casing is connected to the other side of the horizontal pipeline, a second through hole is formed in one side, facing the horizontal pipeline, of the second casing, the second magnet is connected with the second electromagnet through a second connecting rod, and the second connecting rod penetrates through the second through hole.
The first connecting rod and the second connecting rod are both horizontally arranged, the first connecting rod 45 and the second connecting rod 46 are also made of polytetrafluoroethylene, and the polytetrafluoroethylene has strong acid resistance and alkali resistance.
In certain preferred embodiments, the first and second connecting rods are the same length. The sealing element is arranged at a first position when blocking the intersection of the horizontal pipeline and the vertical pipeline, at a second position when blocking the alkaline liquid outlet, and at a third position when blocking the acidic liquid outlet. In some preferred embodiments, the distance between the first position and the second position is the same as that between the first position and the third position. When the sealing piece is located at the initial position, the internal structures of the first assembly and the second assembly are symmetrically arranged, and the controller controls the magnetic force of the first electromagnet to be the same as that of the second electromagnet.
In certain preferred embodiments, a first sealing ring is disposed between the first connecting rod and the first through hole, and a second sealing ring is disposed between the second connecting rod and the second through hole. First sealing ring also chooses polytetrafluoroethylene to make with the second sealing ring for use, avoids sorting the interior waste liquid of pipeline and leaks in first subassembly and the second subassembly through first through-hole and second through-hole.
In some preferred embodiments, the liquid outlet of the water tank is provided with a liquid outlet switch (not shown in the figures), the liquid outlet switch is electrically connected with a controller, and the controller controls the opening and closing of the liquid outlet switch. The liquid outlet switch is in an initial state of being closed, waste liquid is poured into the water tank, when the PH sensor detects the PH concentration of the waste liquid in the water tank, and the controller controls the liquid outlet switch to be opened after receiving an electric signal fed back by the PH sensor.
In certain preferred embodiments, the neutral liquid outlet is arranged at the lower end of the vertical pipeline, so that waste liquid remained in the vertical pipeline after the neutral liquid is output is avoided. And the neutral liquid outlet pipe with an inverted U-shaped structure is arranged at the neutral liquid outlet, so that the acid-alkali liquid can be effectively prevented from leaking from the neutral liquid outlet when flowing through the vertical pipeline.
In certain preferred embodiments, the bottom of the basin is curved. The beneficial effects of the utility model reside in that, can accelerate the inside waste liquid of drainage basin.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.