A kind of leather liming waste liquid sterilization separation recycling equipment and use method
By designing a multi-stage filtering and separation of leather ash waste liquid treatment equipment, the treatment difficulties caused by impurities in the waste liquid are solved, efficient removal and recycling of waste liquid is achieved, and the treatment effect and environmental protection performance are improved.
Patent Information
- Application Number
- CN202410095018.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-24
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2044-01-24
AI Technical Summary
The waste liquid produced during leather ash treatment contains a large amount of impurities, which leads to easy blockage during filtration and separation, affecting the subsequent treatment effect.
A leather ash-lime waste liquid sterilization separation and recycling equipment is designed, including a W-type filter box, an oil-water separation tank and a settlement purification box. Through the combination of multi-stage filtration, stirring and mixing and solidification structure, multiple separations and recycling of waste liquid are achieved.
Through multi-stage filtration and separation treatment, impurities and greases in the waste liquid are effectively removed, the cleanliness of the waste liquid is improved, the recycling of waste liquid is realized, sewage discharge and water resource waste are reduced, and environmental pollution is reduced.
Smart Images

Figure CN117800535B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of leather production, in particular to a device for sterilizing, separating and recycling leather liming waste liquid and a use method thereof. Background Art
[0002] The leather processing method is a method of processing animal skin into mature skin for making leather products. The raw animal skin not only contains oil and hair fiber, but also becomes hard after drying. Therefore, in order to turn the animal skin into leather that can be used by people, it is necessary to first carry out the preparation processes such as scraping fat, depilating, liming, deliming, softening, and pickling. Among them, the wastewater from the liming treatment contains a large amount of lime, protein, salts, oil, ammonia nitrogen compounds, sulfides, chromium salts, hair, leather residues, etc., which contain a variety of impurities. It is easy to get blocked during the treatment process. The separation screen plate is not convenient to clean later, and a large amount of impurities accumulate, affecting the subsequent separation effect. For the above problems, there may be technical means to solve them in the prior art, but this case wants to provide an alternative or replacement technical solution. Summary of the invention
[0003] The technical solution of the present invention for achieving the above-mentioned purpose is: a leather liming waste liquid sterilization separation and recycling equipment, comprising: a W-type filter box, an oil-water separation tank and a sedimentation purification box, the W-type filter box, the oil-water separation tank and the sedimentation purification box are connected to each other through a drainage structure, a filtering and diversion structure is installed on the inner side of the W-type filter box, a stirring and mixing structure and a lifting and lowering drainage structure are installed on the inner side of the oil-water separation tank, and a solidification structure is installed on the inner side of the sedimentation purification box;
[0004] The filtering and diversion structure includes: two pairs of extrusion limit rods, a plurality of set circular concave blocks, a plurality of filter plates, a plurality of filter cottons, a plurality of filter screens, a pair of telescopic set boxes, a pair of telescopic push hydraulic push rods, a concave inner box, a lifting bracket, two pairs of lifting winches, a discharge plate, a discharge shaft, a trumpet-shaped gathering block and an L-shaped drainage pipe;
[0005] The concave inner box is movably inserted into the inner side of the W-shaped filter box, the lifting bracket is installed on the W-shaped filter box, two pairs of lifting winches are installed in parallel on the lifting bracket, and the two pairs of lifting winches are connected to the concave inner box, the discharge plate is inserted into the concave inner box through the discharge shaft, the trumpet-shaped gathering block is installed on the inner side of the W-shaped filter box, the L-shaped drainage pipe is connected to the trumpet-shaped gathering block, and the L-shaped drainage pipe is connected to the set of circular concave blocks, a pair of horizontal telescopic slots are opened on the W-shaped filter box, and two pairs of extrusion limit rods are movably inserted into a pair of horizontal On the inner side of the telescopic groove, a plurality of set circular concave blocks are respectively movably set on a plurality of extrusion limit rods, a plurality of set circular concave blocks are respectively provided with insertion grooves and a plurality of drainage holes, a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets are respectively movably inserted on the inner sides of the plurality of insertion grooves, a pair of telescopic set boxes are respectively inserted on the inner sides of a pair of horizontal telescopic grooves, a pair of telescopic push hydraulic push rods are respectively installed on a pair of telescopic set boxes, and the pushing ends of the pair of telescopic push hydraulic push rods are connected to the set circular concave blocks;
[0006] It should be noted that, in the above, by pouring the waste liquid into the concave inner box, the liquid is drained to the inner side of the trumpet-shaped aggregation block through the holes at the bottom end of the concave inner box, and the liquid is drained to the inner side of the set round-shaped concave block through the L-shaped drainage tube on the trumpet-shaped aggregation block. A pair of telescopic pushing hydraulic push rods on the inner side of the telescopic set box are extended and retracted to drive the telescopic pushing hydraulic push rods to push the set round-shaped concave block on the end, so that a number of set round-shaped concave blocks are tightly squeezed together along the extrusion limit rod, and at the same time, a number of filter plates, a number of filter cottons and a number of filter nets on the inner side of a number of set round-shaped concave blocks are tightly squeezed together, so as to achieve secondary filtration of the waste liquid, and the concave inner box is lifted and lowered by the operation of two pairs of lifting winches, so as to achieve the waste material inside the concave inner box being rotated and unloaded along the unloading axis through the unloading plate.
[0007] Preferably, the lifting and drainage structure comprises: a plurality of J-shaped drainage tubes, a plurality of partition plates, a plurality of telescopic inner tubes, a plurality of lifting slideways, a plurality of lifting sliders, a plurality of lifting support plates, a plurality of lifting floating balls, a plurality of diversion drainage tubes and a plurality of drainage valves;
[0008] Several partition plates are evenly installed on the inner side of the oil-water separation tank, several J-shaped drainage pipes are evenly inserted on several partition plates, several lifting slides are evenly installed on the inner sides of several J-shaped drainage pipes, several lifting sliders are evenly installed on the outer sides of several telescopic inner pipes, and several lifting sliders are movably inserted on the inner sides of several lifting slides, several lifting support plates are respectively installed on several telescopic inner pipes, several lifting floating balls are respectively installed on several lifting support plates, several diversion drainage pipes are respectively inserted on several partition plates, and several diversion drainage pipes are respectively connected to several J-shaped drainage pipes, and several drainage valves are respectively installed on several diversion drainage pipes;
[0009] It should be noted that, in the above, the filtered waste liquid is drained to the inner side of the oil-water separation tank through the drainage structure, H2SO4 is added to the inside before the separation process to adjust the pH value of the waste liquid for demulsification, the mixing structure is used for mixing and stirring, the waste liquid is heated for stirring, and after the stirring is completed, it is allowed to stand at 39-65°C for 4 hours to allow the oil to float to the upper part of the water in layers, and the lifting support plate on it is driven to rise and fall by the lifting float ball, and the lifting support plate drives the telescopic inner tube on it so that the lifting support plate is located between the water and the oil, and the telescopic inner tube drains the liquid to the inner side of the J-type drainage tube through the siphon principle, and the liquid is drained to the partition plate at the bottom through the J-type drainage tube, and the telescopic inner tube is lifted and lowered along the inner side of the J-type drainage tube by the cooperation of the lifting slider and the lifting slide, and the diversion drainage tube and the drainage valve cooperate to achieve the goal of draining the liquid downward, and separating and draining them one by one through several partition plates.
[0010] Preferably, the stirring and mixing structure comprises: a plurality of stirring discs, a plurality of sealed bearings, a plurality of metal conduction rods, a plurality of concave arc blocks, a plurality of convex ring blocks, a plurality of set stirring racks, a plurality of stirring gears, a stirring drive shaft, a concave stirring bearing block, a stirring drive motor, a plurality of stirring conduction magnets and a plurality of stirring blades;
[0011] A plurality of stirring discs are respectively sleeved on a plurality of J-shaped drainage tubes through sealed bearings, a plurality of metal conduction rods are uniformly inserted on the oil-water separation tank, a plurality of concave arc blocks are uniformly installed on the outer side of the oil-water separation tank, a plurality of convex circular ring blocks are respectively movably inserted on the inner side of a plurality of concave circular arc blocks, a plurality of set stirring racks are respectively sleeved on a plurality of convex circular ring blocks, a concave stirring bearing block is installed on the outer side of the oil-water separation tank, a stirring drive shaft is installed on the concave stirring bearing block, a plurality of stirring gears are uniformly installed on the stirring drive shaft, and a plurality of stirring gears are respectively meshed with gears between a plurality of set stirring racks, a driving end of a stirring drive machine is connected to the stirring drive shaft, a plurality of stirring conduction magnets are respectively installed on a plurality of convex circular ring blocks and a plurality of stirring discs, and a plurality of stirring blades are respectively installed on a plurality of stirring discs;
[0012] It should be noted that, in the above, the stirring driving machine is operated to drive the stirring driving shaft on the driving end of the stirring driving machine to rotate, and the stirring driving shaft rotates on the inner side of the concave stirring bearing block, and the stirring driving shaft drives a number of stirring gears thereon to rotate, and the several stirring gears respectively drive the set stirring racks meshing with the gears thereon, and the several set stirring racks respectively drive the convex circular ring blocks thereon, so that the several convex circular ring blocks rotate horizontally along the inner side of the concave circular arc block, and the several convex circular ring blocks respectively drive the stirring conduction magnets thereon, and the several stirring conduction magnets respectively transfer the magnetism to a number of metal conduction rods, and the several metal conduction rods magnetically repel the stirring conduction magnets on a number of stirring discs, thereby driving the stirring disc, and the rotating stirring disc drives the stirring blades thereon, thereby mixing the waste liquid with H2SO4.
[0013] Preferably, the solidification structure comprises: a feeding solidification assembly, a cross-shaped discharge block, a filtering day-shaped inner box, a filtering filler, a pair of telescopic electromagnets, a pair of horizontal telescopic magnets, a pair of convex circular sealing blocks, a pair of circular sealing inflatable airbags, a sealing inflatable pump, a sealing inflatable shunt pipe and a discharge valve;
[0014] The feeding solidification assembly is inserted on the side wall of the sedimentation purification box, the cross-shaped discharge block is inserted on the bottom end of the sedimentation purification box, the filter day-type inner box is movably inserted on the inner side of the cross-shaped discharge block, the filter filler is installed on the inner side of the filter day-type inner box, a pair of telescopic electromagnets are respectively installed on the inner side of the cross-shaped discharge block, a pair of horizontal telescopic magnets are respectively installed on both sides of the filter day-type inner box, a pair of convex telescopic sealing grooves are respectively opened on the cross-shaped discharge block, a pair of convex round-shaped sealing blocks are respectively movably inserted on the inner side of a pair of convex telescopic sealing grooves, a pair of round-shaped sealing inflatable airbags are respectively installed on the inner side of a pair of convex telescopic sealing grooves, a sealing inflatable pump is installed on a sealing inflatable shunt pipe, the sealing inflatable shunt pipe is connected to a pair of round-shaped sealing inflatable airbags, and a discharge valve is installed on the cross-shaped discharge block;
[0015] It should be noted that, in the above, the raw materials inside the raw material box are added with flocculants, coagulants and industrial acid-base balance agents through the feeding and solidification assembly to coagulate the tiny particles in the wastewater into flocs, which are then filtered through the filter filler, and the solid state is filtered through the cross-shaped unloading block, and the filter filler in the filter day-type inner box is filtered, and the telescopic electromagnet is energized to repel or adsorb a pair of horizontally telescopic telescopic magnets, so that the filter day-type inner box is horizontally telescoped on the inside of the cross-shaped unloading block, and the sealed inflation diverter pipe is inflated by the sealed inflation diverter pipe, and a pair of round-shaped sealed inflation airbags are inflated through the sealed inflation diverter pipe, and a pair of convex round-shaped sealing blocks are expanded and squeezed by a pair of round-shaped sealed inflation airbags, so as to fix the filter day-type inner box on the inside of the cross-shaped unloading block.
[0016] Preferably, the drainage structure comprises: a pair of transfer drainage pumps and a plurality of transfer drainage tubes;
[0017] A plurality of transfer drainage pipes are respectively connected to the W-type filter box, the oil-water separation tank and the sedimentation purification box, and a pair of transfer drainage pumps are respectively connected to the plurality of transfer drainage pipes;
[0018] It should be noted that, in the above, the waste liquid is pumped by the transfer drainage pump and drained by the transfer drainage tube.
[0019] Preferably, the feeding and solidification assembly comprises: a vertical push drive, a vertical gear box, a vertical push shaft tube, vertical blades, a plurality of raw material boxes, a plurality of discharge valves, a plurality of flow sensors and a plurality of drainage and solidification feeding pipes;
[0020] The vertical push shaft tube is inserted on the sedimentation purification box through a bearing, the vertical gear box is sleeved on the vertical push shaft tube, the driving end of the vertical push driver is connected to the vertical gear box, the vertical blade is installed on the vertical push shaft tube, the vertical push shaft tube is sleeved on the transfer drainage pipe through a bearing, several raw material boxes are evenly installed on the outside of the sedimentation purification box, several drainage solidification feeding pipes are respectively inserted on several raw material boxes and sedimentation purification boxes, several unloading valves are respectively installed on several drainage solidification feeding pipes, and several flow sensors are respectively installed on several drainage solidification feeding pipes;
[0021] It should be noted that, in the above, the vertical push driving machine is operated to drive the vertical gear box on the driving end to operate, and the vertical gear box drives the vertical push shaft tube inside thereof to rotate, and the vertical push shaft tube drives the vertical blades thereon, and the vertical blades and the vertical push shaft tube rotate, so as to achieve mixing and stirring of the loaded waste liquid, and at the same time, the unloading valve on the raw material box is opened, and the raw material is drained through the drainage solidification feeding pipe.
[0022] Preferably, an electric heating pipe is provided on the oil-water separation tank, and a connecting chain is provided on a plurality of set circular concave blocks.
[0023] Preferably, the W-type filter box, the oil-water separation tank and the sedimentation purification box are respectively provided with a timer.
[0024] A method for using a device for sterilizing, separating and recycling leather liming waste liquid, characterized in that it comprises the following steps: step S1, filtering; step S2, oil-water separation; step S3, waste liquid flocculation;
[0025] Step S1: firstly filter the suspended impurities in the wastewater generated by the leather liming treatment, filter out the large waste impurities through the concave inner box in the filtering and diverting structure, and then through the cooperation of a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets inside a plurality of set circular concave blocks, so as to achieve the goal of squeezing and filtering the wastewater tightly;
[0026] Step S2: transporting the wastewater after the initial filtration to the oil-water separation structure, and using the acid extraction method, adding H2SO4 to the inside before the separation process, adjusting the pH value of the waste liquid to break the emulsion, and quickly stirring the waste liquid above the partition plate divided into several sections through the stirring and mixing structure. After the stirring is completed, it is allowed to stand at 39-65°C for 4 hours to allow the oil to float to the upper part of the water in layers, and the oil in the waste liquid is separated one by one through the lifting and drainage structure. The position of the telescopic inner tube is adjusted by lifting and lowering, so as to separate and drain the liquid and the oil, and discharge them in batches after stratification, and then the wastewater is subsequently treated;
[0027] Step S3: After the degreasing separation is completed, the waste liquid is subjected to flocculation processing. The raw materials inside several raw material boxes are added with flocculants, coagulants and industrial acid-base balance agents to condense the tiny particles in the wastewater into flocs, which are then filtered through filter fillers and the pH value of the wastewater is adjusted. While the flocculation and filtration are being purified, the pH value of the wastewater is adjusted to neutral to ensure subsequent recycling. At the same time, the feeding liquid is rotated by the feeding and coagulation component to achieve mixing of the liquid with the raw materials.
[0028] Preferably, in step S2, the density of the lifting floating ball in the lifting drainage structure is greater than that of oil and lower than that of water.
[0029] The equipment and method for sterilizing, separating and recycling leather liming waste liquid produced by the technical solution of the present invention are compared with the prior art: the present invention uses a filtering and diversion structure to achieve multi-stage treatment of the waste liquid to efficiently treat impurities, grease and the like in the waste liquid, performs multi-stage filtration on impurities in the waste liquid, separates and processes the grease for recycling through the coordination of the lifting and lowering drainage structure and the stirring and mixing structure, avoids residual grease in the sewage through multi-stage and multiple separations, reduces the discharge of wastewater, reduces the waste of water resources, reduces pollution and damage to the environment, and makes production more environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 The present invention is a front view schematic diagram of a leather liming waste liquid sterilization separation and recycling device and a use method.
[0031] Figure 2 The present invention is a schematic side view of a W-shaped filter box of a leather liming waste liquid sterilization separation and recycling device and a use method.
[0032] Figure 3 The present invention is a schematic top view of a W-shaped filter box of a leather liming waste liquid sterilization separation and recycling device and a use method.
[0033] Figure 4 The present invention is a front view schematic diagram of a W-shaped filter box of a leather liming waste liquid sterilization separation and recycling device and a use method.
[0034] Figure 5 The present invention is a schematic top view of an oil-water separation tank of a leather liming waste liquid sterilization separation and recycling device and a use method.
[0035] Figure 6 for Figure 1 A partial enlarged view of "A".
[0036] In the figure: 1. W-type filter box; 2. Oil-water separation tank; 3. Sedimentation purification box; 1001. Extrusion limit rod; 1002. Set of round-shaped concave blocks; 1003. Filter plate; 1004. Filter cotton; 1005. Filter net; 1006. Telescopic set box; 1007. Telescopic push hydraulic push rod; 1008. Concave inner box; 1009. Lifting bracket; 1010. Lifting winch; 1011 , discharge plate; 1012, discharge shaft; 1013, trumpet-shaped gathering block; 1014, L-shaped drainage tube; 2001, J-shaped drainage tube; 2002, partition plate; 2003, telescopic inner tube; 2004, lifting slide; 2005, lifting slider; 2006, lifting support plate; 2007, lifting floating ball; 2008, diversion drainage tube; 2009, drainage valve; 3001, stirring circle Plate; 3002, metal conduction rod; 3003, concave arc block; 3004, convex ring block; 3005, set stirring rack; 3006, stirring gear; 3007, stirring drive shaft; 3008, concave stirring bearing block; 3009, stirring drive machine; 3010, stirring conduction magnet; 3011, stirring blade; 4001, cross-shaped discharge block; 4002, filter day-type inner box; 4003, filter filler; 4004, telescopic electromagnet; 4005, horizontal telescopic magnet; 4006, convex round-shaped sealing block; 4007, round-shaped sealing inflatable airbag; 5001, vertical push drive machine; 5002, vertical gear box; 5003, vertical push shaft tube; 5004, vertical blade; 5005, raw material box; 5006, discharge valve; 5007, drainage solidification feeding pipe. DETAILED DESCRIPTION
[0037] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control. Example
[0038] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-6As shown, the W-type filter box 1, the oil-water separation tank 2 and the sedimentation purification box are interconnected through a drainage structure, a filtering and diverting structure is installed on the inner side of the W-type filter box 1, a stirring and mixing structure and a lifting and diverting structure are installed on the inner side of the oil-water separation tank 2, and a solidification structure is installed on the inner side of the sedimentation purification box; the filtering and diverting structure includes: two pairs of extrusion limit rods, a plurality of set circular concave blocks, a plurality of filter plates, a plurality of filter cottons, a plurality of filter nets, a pair of telescopic set boxes, a pair of telescopic push hydraulic push rods, a concave inner box, a lifting bracket, two pairs of lifting winches 1010, a discharge plate 1011, a discharge shaft 1012, a trumpet-shaped aggregation block 1013 and an L-shaped drainage pipe; the concave inner box is movable On the inner side of the W-shaped filter box 1, a lifting bracket is installed on the W-shaped filter box 1, two pairs of lifting winches 1010 are installed on the lifting bracket in parallel, and the two pairs of lifting winches 1010 are connected to the concave inner box, the discharge plate 1011 is inserted into the concave inner box through the discharge shaft 1012, the trumpet-shaped aggregation block 1013 is installed on the inner side of the W-shaped filter box 1, the L-shaped drainage pipe is connected to the trumpet-shaped aggregation block 1013, and the L-shaped drainage pipe is connected to the set of circular concave blocks, a pair of horizontal telescopic grooves are opened on the W-shaped filter box 1, two pairs of extrusion limit rods are respectively movably inserted into the inner side of a pair of horizontal telescopic grooves, a number of set circular concave blocks are respectively movably set on a number of extrusion limit rods, and a number of A plurality of inserting slots and a plurality of drainage holes are respectively provided on each of the set circular concave blocks; a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets are respectively movably inserted in the inner sides of the plurality of inserting slots; a pair of telescopic set boxes are respectively inserted in the inner sides of a pair of horizontal telescopic slots; a pair of telescopic push hydraulic push rods are respectively installed on the pair of telescopic set boxes, and the pushing ends of the pair of telescopic push hydraulic push rods are connected to the set circular concave blocks; the lifting and drainage structure comprises: a plurality of J-shaped drainage pipes, a plurality of partition plates, a plurality of telescopic inner pipes, a plurality of lifting slideways, a plurality of lifting sliders, a plurality of lifting support plates, a plurality of lifting floating balls, a plurality of diversion drainage pipes and a plurality of drainage valves; a plurality of partition plates; a plurality of The plates are evenly installed on the inner side of the oil-water separation tank 2, a number of J-shaped drainage pipes are evenly inserted on a number of partition plates, a number of lifting slides are evenly installed on the inner sides of a number of J-shaped drainage pipes, a number of lifting sliders are evenly installed on the outer sides of a number of telescopic inner pipes, and a number of lifting sliders are movably inserted on the inner sides of a number of lifting slides, a number of lifting support plates are respectively installed on a number of telescopic inner pipes, a number of lifting floating balls are respectively installed on a number of lifting support plates, a number of shunt drainage pipes are respectively inserted on a number of partition plates, and a number of shunt drainage pipes are respectively connected to a number of J-shaped drainage pipes, and a number of drainage valves are respectively installed on a number of shunt drainage pipes;The stirring and mixing structure comprises: a plurality of stirring discs 3001, a plurality of sealed bearings, a plurality of metal conduction rods 3002, a plurality of concave arc blocks 3003, a plurality of convex ring blocks 3004, a plurality of set stirring racks 3005, a plurality of stirring gears 3006, a stirring drive shaft 3007, a concave stirring bearing block 3008, a stirring drive motor, a plurality of stirring conduction magnets and a plurality of stirring blades; a plurality of stirring discs 3001 are respectively set on a plurality of J-shaped drainage tubes through sealed bearings, a plurality of metal conduction rods 3002 are evenly inserted on the oil-water separation tank 2, a plurality of concave arc blocks 3003 are evenly installed on the outer side of the oil-water separation tank 2, a plurality of convex ring blocks 3004 are respectively movably inserted on On the inner side of several concave arc blocks 3003, several set stirring racks 3005 are respectively set on several convex circular ring blocks 3004, the concave stirring bearing block is installed on the outer side of the oil-water separation tank 2, the stirring drive shaft 3007 is installed on the concave stirring bearing block 3008, several stirring gears 3006 are evenly installed on the stirring drive shaft 3007, and several stirring gears 3006 are respectively meshed with gears between several set stirring racks, the driving end of the stirring drive machine is connected to the stirring drive shaft 3007, several stirring conduction magnets are respectively installed on several convex circular ring blocks 3004 and several stirring discs 3001, and several stirring blades are respectively installed on several stirring discs 3001; the solidification structure includes : feeding and solidification components, cross-shaped discharge block, filter day type inner box, filter filler, a pair of telescopic electromagnets, a pair of horizontal telescopic magnets, a pair of convex round-shaped sealing blocks, a pair of round-shaped sealed inflatable airbags, a sealed inflatable pump, a sealed inflatable shunt pipe and a discharge valve; the feeding and solidification components are inserted on the side wall of the sedimentation purification box, the cross-shaped discharge block is inserted on the bottom end of the sedimentation purification box, the filter day type inner box is movably inserted on the inner side of the cross-shaped discharge block, the filter filler is installed on the inner side of the filter day type inner box, a pair of telescopic electromagnets are respectively installed on the inner side of the cross-shaped discharge block, a pair of horizontal telescopic magnets are respectively installed on both sides of the filter day type inner box, a pair of convex telescopic sealing grooves are respectively opened on the cross-shaped discharge block, a pair of convex round-shaped sealing blocks are movably inserted on a pair A pair of round-shaped sealing airbags are respectively installed on the inner side of a pair of convex telescopic sealing grooves, a sealing air pump is installed on a sealing air shunt pipe, the sealing air shunt pipe is connected to a pair of round-shaped sealing airbags, and a discharge valve is installed on a cross-shaped discharge block; the drainage structure includes: a pair of transfer drainage pumps and a plurality of transfer drainage pipes; a plurality of transfer drainage pipes are respectively connected to a W-type filter box 1, an oil-water separation tank 2 and a sedimentation purification box, and a pair of transfer drainage pumps are respectively connected to a plurality of transfer drainage pipes; the feeding and solidification assembly includes: a vertical push drive, a vertical gear box, a vertical push shaft tube, a vertical blade, a plurality of raw material boxes, a plurality of discharge valves, a plurality of flow sensors and a plurality of drainage and solidification feeding pipes;The vertical push shaft tube is inserted into the sedimentation purification box through a bearing, the vertical gear box is mounted on the vertical push shaft tube, the driving end of the vertical push driver is connected to the vertical gear box, the vertical blades are installed on the vertical push shaft tube, the vertical push shaft tube is mounted on the transfer drainage tube through a bearing, several raw material boxes are evenly installed on the outside of the sedimentation purification box, several drainage solidification feeding pipes are respectively inserted into several raw material boxes and sedimentation purification boxes, several unloading valves are respectively installed on several drainage solidification feeding pipes, and several flow sensors are respectively installed on several drainage solidification feeding pipes; the oil-water separation tank 2 is provided with an electric heating tube, and several set circular concave blocks are provided with connecting chains. The W-type filter box 1, the oil-water separation tank 2 and the sedimentation purification box are respectively provided with timers, and the oil-water separation tank 2 is provided with a raw material box. ;
[0039] A method for using a device for sterilizing, separating and recycling leather liming waste liquid, characterized in that it comprises the following steps: step S1, filtering; step S2, oil-water separation; step S3, waste liquid flocculation;
[0040] Step S1: firstly filter the suspended impurities in the wastewater generated by the leather liming treatment, filter out the large waste impurities through the concave inner box in the filtering and diverting structure, and then through the cooperation of a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets inside a plurality of set circular concave blocks, so as to achieve the goal of squeezing and filtering the wastewater tightly;
[0041] Step S2: transporting the wastewater after the initial filtration to the oil-water separation structure, and using the acid extraction method, adding H2SO4 to the inside before the separation process, adjusting the pH value of the waste liquid to break the emulsion, and quickly stirring the waste liquid above the partition plate divided into several sections through the stirring and mixing structure. After the stirring is completed, it is allowed to stand at 39-65°C for 4 hours to allow the oil to float to the upper part of the water in layers, and the oil in the waste liquid is separated one by one through the lifting and drainage structure. The position of the telescopic inner tube is adjusted by lifting and lowering, so as to separate and drain the liquid and the oil, and discharge them in batches after stratification, and then the wastewater is subsequently treated;
[0042] Step S3: After the degreasing separation is completed, the waste liquid is subjected to flocculation processing. The raw materials inside several raw material boxes are added with flocculants, coagulants and industrial acid-base balance agents to condense the tiny particles in the wastewater into flocs, which are then filtered through filter fillers and the pH value of the wastewater is adjusted. While the flocculation and filtration are being purified, the pH value of the wastewater is adjusted to neutral to ensure subsequent recycling. At the same time, the feeding liquid is rotated by the feeding and coagulation component to achieve mixing of the liquid with the raw materials.
[0043] Step S2, the density of the lifting floating ball in the lifting drainage structure is greater than that of oil and lower than that of water.
[0044] According to the attached Figure 1-6It is concluded that by pouring the waste liquid into the concave inner box, the liquid is drained to the inner side of the trumpet-shaped aggregation block 1013 through the holes at the bottom of the concave inner box, and the liquid is drained to the inner side of the set circular concave block through the L-shaped drainage tube on the trumpet-shaped aggregation block 1013. A pair of telescopic push hydraulic push rods on the inner side of the telescopic set box are extended and retracted to drive the telescopic push hydraulic push rods to push the set circular concave blocks on the end, so that several set circular concave blocks are tightly squeezed together along the extrusion limit rods, and at the same time, several filter plates, several filter cottons and several filter nets on the inner side of several set circular concave blocks are tightly squeezed together, so as to achieve secondary filtration of the waste liquid, and the two pairs of lifting winches 1010 are operated. , lift the concave inner box, so as to achieve the waste inside the concave inner box, and rotate and discharge it along the discharge shaft 1012 through the discharge plate 1011; drain the filtered waste liquid to the inner side of the oil-water separation tank 2 through the drainage structure, and adjust the pH value of the waste liquid to break the emulsion by adding H2SO4 to the inside before the separation process, and mix and stir it through the stirring and mixing structure, and heat the waste liquid for stirring. After the stirring is completed, let it stand at 39-65°C for 4 hours to allow the oil to float to the upper part of the water in layers, and the lifting support plate on it is driven to lift and lower by the lifting floating ball, and the telescopic inner tube on it is driven by the lifting support plate, so that the lifting support plate is located between the water and the oil, and the liquid is guided by the telescopic inner tube through the siphon principle. The liquid flows to the inner side of the J-shaped drainage tube, and is drained to the partition plate at the bottom through the J-shaped drainage tube. The lifting slider cooperates with the lifting slideway to make the telescopic inner tube rise and fall along the inner side of the J-shaped drainage tube. The diverter drainage tube cooperates with the drainage valve to drain the liquid downward, and the liquid is separated and drained one by one through several partition plates. The stirring driving machine is operated to drive the stirring driving shaft 3007 on the driving end of the stirring driving machine to rotate, and the stirring driving shaft 3007 rotates on the inner side of the concave stirring bearing block 3008, and the stirring driving shaft 3007 drives the several stirring gears 3006 thereon to rotate, and the several stirring gears 3006 respectively drive the gears meshing with them. A set of stirring racks 3005, through a plurality of set stirring racks respectively drive the convex circular ring blocks 3004 thereon, so that the plurality of convex circular ring blocks 3004 rotate horizontally along the inner side of the concave arc block 3003, and the plurality of convex circular ring blocks 3004 respectively drive the stirring conduction magnets thereon, and the plurality of stirring conduction magnets respectively transfer magnetism to a plurality of metal conduction rods 3002 through the plurality of metal conduction rods 3002, and the stirring conduction magnets on a plurality of stirring discs 3001 are magnetically repelled by the plurality of metal conduction rods 3002, so as to drive the stirring discs 3001, and the stirring blades thereon are driven by the rotating stirring discs 3001, so as to mix the waste liquid with H2SO4;The feeding and solidification component is used to add flocculants, coagulants and industrial acid-base balance agents to the raw materials inside the raw material box to coagulate the tiny particles in the wastewater into flocs, which are then filtered through the filter filler, and the solid state is filtered through the cross-shaped discharge block. The filter filler in the filter day-type inner box is filtered, and the telescopic electromagnet is energized to repel or adsorb a pair of horizontal telescopic magnets, so that the filter day-type inner box is horizontally telescoped on the inside of the cross-shaped discharge block, and the sealed inflation shunt pipe is inflated by the sealed inflation shunt pipe. A pair of round-shaped sealed inflation airbags are inflated through a pair of round-shaped sealed inflation airbags. A pair of convex circular sealing blocks are expanded and squeezed to fix the filter day-type inner box on the inner side of the cross-shaped discharge block; the waste liquid is pumped through the transfer drainage pump and drained through the transfer drainage pipe; the vertical push drive machine is driven to drive the vertical gear box on the drive end to operate, and the vertical gear box drives the vertical push shaft tube inside to rotate, and the vertical blades on it are driven by the vertical push shaft tube. Through the rotation of the vertical blades and the vertical push shaft tube, the waste liquid of the feed is mixed and stirred, and at the same time, the discharge valve on the raw material box is opened, and the raw material is drained through the drainage solidification feed pipe. ;
[0045] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.
Claims
1. A device for sterilizing, separating and recycling leather liming waste liquid, comprising: W-type filter box, oil-water separation tank and sedimentation purification box, characterized in that the W-type filter box, oil-water separation tank and sedimentation purification box are connected to each other through a drainage structure, a filtering and diversion structure is installed on the inner side of the W-type filter box, a stirring and mixing structure and a lifting and drainage structure are installed on the inner side of the oil-water separation tank, and a solidification structure is installed on the inner side of the sedimentation purification box; The filtering and diversion structure includes: two pairs of extrusion limit rods, a plurality of set circular concave blocks, a plurality of filter plates, a plurality of filter cottons, a plurality of filter screens, a pair of telescopic set boxes, a pair of telescopic push hydraulic push rods, a concave inner box, a lifting bracket, two pairs of lifting winches, a discharge plate, a discharge shaft, a trumpet-shaped gathering block and an L-shaped drainage pipe; The concave inner box is movably inserted into the inner side of the W-shaped filter box, the lifting bracket is installed on the W-shaped filter box, two pairs of lifting winches are installed in parallel on the lifting bracket, and the two pairs of lifting winches are connected to the concave inner box, the discharge plate is inserted into the concave inner box through the discharge shaft, the trumpet-shaped gathering block is installed on the inner side of the W-shaped filter box, the L-shaped drainage pipe is connected to the trumpet-shaped gathering block, and the L-shaped drainage pipe is connected to the set of circular concave blocks, a pair of horizontal telescopic slots are opened on the W-shaped filter box, and two pairs of extrusion limit rods are movably inserted into a pair of horizontal On the inner side of the telescopic groove, a plurality of set circular concave blocks are respectively movably set on a plurality of extrusion limit rods, a plurality of set circular concave blocks are respectively provided with insertion grooves and a plurality of drainage holes, a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets are respectively movably inserted on the inner sides of the plurality of insertion grooves, a pair of telescopic set boxes are respectively inserted on the inner sides of a pair of horizontal telescopic grooves, a pair of telescopic push hydraulic push rods are respectively installed on a pair of telescopic set boxes, and the pushing ends of the pair of telescopic push hydraulic push rods are connected to the set circular concave blocks; The lifting and drainage structure includes: a plurality of J-shaped drainage pipes, a plurality of partition plates, a plurality of telescopic inner pipes, a plurality of lifting slideways, a plurality of lifting slide blocks, a plurality of lifting support plates, a plurality of lifting floating balls, a plurality of diversion drainage pipes and a plurality of drainage valves; Several partition plates are evenly installed on the inner side of the oil-water separation tank, several J-shaped drainage pipes are evenly inserted on the several partition plates, several lifting slides are evenly installed on the inner sides of the several J-shaped drainage pipes, several lifting sliders are evenly installed on the outer sides of the several telescopic inner pipes, and several lifting sliders are movably inserted on the inner sides of the several lifting slides, several lifting support plates are respectively installed on the several telescopic inner pipes, several lifting floating balls are respectively installed on the several lifting support plates, several diversion drainage pipes are respectively inserted on the several partition plates, and several diversion drainage pipes are respectively connected to the several J-shaped drainage pipes, and several drainage valves are respectively installed on the several diversion drainage pipes.
2. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 1, characterized in that: The stirring and mixing structure comprises: a plurality of stirring discs, a plurality of sealed bearings, a plurality of metal conduction rods, a plurality of concave arc blocks, a plurality of convex ring blocks, a plurality of set stirring racks, a plurality of stirring gears, a stirring drive shaft, a concave stirring bearing block, a stirring drive motor, a plurality of stirring conduction magnets and a plurality of stirring blades; A plurality of stirring discs are respectively mounted on a plurality of J-shaped drainage tubes through sealed bearings, a plurality of metal conduction rods are uniformly inserted on the oil-water separation tank, a plurality of concave arc blocks are uniformly installed on the outer side of the oil-water separation tank, a plurality of convex circular ring blocks are movably inserted on the inner side of a plurality of concave circular arc blocks, a plurality of set stirring racks are respectively mounted on a plurality of convex circular ring blocks, a concave stirring bearing block is installed on the outer side of the oil-water separation tank, a stirring drive shaft is installed on the concave stirring bearing block, a plurality of stirring gears are uniformly installed on the stirring drive shaft, and a plurality of stirring gears are respectively meshed with gears between a plurality of set stirring racks, a driving end of a stirring drive machine is connected to a stirring drive shaft, a plurality of stirring conduction magnets are respectively installed on a plurality of convex circular ring blocks and a plurality of stirring discs, and a plurality of stirring blades are respectively installed on a plurality of stirring discs.
3. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 2, characterized in that: The solidification structure includes: a feeding solidification component, a cross-shaped discharge block, a filter day-shaped inner box, a filter filler, a pair of telescopic electromagnets, a pair of horizontal telescopic magnets, a pair of convex circular sealing blocks, a pair of circular sealing inflatable airbags, a sealing inflatable pump, a sealing inflatable shunt pipe and a discharge valve; The feeding and solidification assembly is inserted on the side wall of the sedimentation purification box, the cross-shaped unloading block is inserted on the bottom end of the sedimentation purification box, the filter day-type inner box is movably inserted on the inner side of the cross-shaped unloading block, the filter filler is installed on the inner side of the filter day-type inner box, a pair of telescopic electromagnets are respectively installed on the inner side of the cross-shaped unloading block, a pair of horizontal telescopic magnets are respectively installed on both sides of the filter day-type inner box, a pair of convex telescopic sealing grooves are respectively provided on the cross-shaped unloading block, a pair of convex round-shaped sealing blocks are respectively movably inserted on the inner sides of a pair of convex telescopic sealing grooves, a pair of round-shaped sealing inflatable airbags are respectively installed on the inner sides of a pair of convex telescopic sealing grooves, a sealing inflatable pump is installed on the sealing inflatable shunt pipe, the sealing inflatable shunt pipe is connected to a pair of round-shaped sealing inflatable airbags, and a discharge valve is installed on the cross-shaped unloading block.
4. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 3 is characterized in that: The drainage structure includes: a pair of transfer drainage pumps and a plurality of transfer drainage tubes; A plurality of transfer drainage pipes are respectively connected to the W-type filter box, the oil-water separation tank and the sedimentation purification box, and a pair of transfer drainage pumps are respectively connected to the plurality of transfer drainage pipes.
5. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 4, characterized in that: The feeding and solidification assembly includes: a vertical pushing drive machine, a vertical gear box, a vertical pushing shaft tube, a vertical blade, a plurality of raw material boxes, a plurality of unloading valves, a plurality of flow sensors and a plurality of drainage and solidification feeding pipes; The vertical push shaft tube is inserted into the sedimentation purification box through a bearing, the vertical gear box is mounted on the vertical push shaft tube, the driving end of the vertical push driver is connected to the vertical gear box, the vertical blades are installed on the vertical push shaft tube, the vertical push shaft tube is mounted on the transfer drainage pipe through a bearing, several raw material boxes are evenly installed on the outside of the sedimentation purification box, several drainage solidification feeding pipes are respectively inserted into several raw material boxes and sedimentation purification boxes, several unloading valves are respectively installed on several drainage solidification feeding pipes, and several flow sensors are respectively installed on several drainage solidification feeding pipes.
6. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 5, characterized in that: The oil-water separation tank is provided with an electric heating pipe, and a plurality of set circular concave blocks are provided with connecting chains.
7. The equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 6, characterized in that: The W-type filter box, the oil-water separation tank and the sedimentation purification box are respectively provided with timers.
8. The method for using the equipment for sterilizing, separating and recycling leather liming waste liquid according to any one of claims 1 to 7, characterized in that: The method comprises the following steps: step S1, filtering; step S2, oil-water separation; step S3, waste liquid flocculation; Step S1: firstly filter the suspended impurities in the wastewater generated by the leather liming treatment, filter out the large waste impurities through the concave inner box in the filtering and diverting structure, and then through the cooperation of a plurality of filter plates, a plurality of filter cottons and a plurality of filter nets inside a plurality of set circular concave blocks, so as to achieve the goal of squeezing and filtering the wastewater tightly; Step S2: transporting the wastewater after the initial filtration to the oil-water separation structure, and using the acid extraction method, adding H2SO4 to the inside before the separation process, adjusting the pH value of the waste liquid to break the emulsion, and quickly stirring the waste liquid above the partition plate divided into several sections through the stirring and mixing structure. After the stirring is completed, it is allowed to stand at 39-65°C for 4 hours to allow the oil to float to the upper part of the water in layers, and the oil in the waste liquid is separated one by one through the lifting and drainage structure. The position of the telescopic inner tube is adjusted by lifting and lowering, so as to separate and drain the liquid and the oil, and discharge them in batches after stratification, and then the wastewater is subsequently treated; Step S3: After the degreasing separation is completed, the waste liquid is subjected to flocculation processing. The raw materials inside several raw material boxes are added with flocculants, coagulants and industrial acid-base balance agents to condense the tiny particles in the wastewater into flocs, which are then filtered through filter fillers and the pH value of the wastewater is adjusted. While the flocculation and filtration are being purified, the pH value of the wastewater is adjusted to neutral to ensure subsequent recycling. At the same time, the feeding liquid is rotated by the feeding and coagulation component to achieve mixing of the liquid with the raw materials.
9. The method for using the equipment for sterilizing, separating and recycling leather liming waste liquid according to claim 8, characterized in that: Step S2, the density of the lifting floating ball in the lifting drainage structure is greater than that of oil and lower than that of water.
Citation Information
Patent Citations
Environment-friendly leather liming waste liquid recycling method and equipment
CN115043520A
Thermal power plant boiler wastewater treatment device
CN117263352A