Precipitated mud elution treatment device

Abstract

The utility model relates to the technical field of sewage and sludge treatment, in particular to a precipitated mud elution treatment device which comprises water treatment equipment for treating sewage, and a first mud cleaning machine for primarily cleaning mud is arranged on the right side of the water treatment equipment. One side, far away from the water treatment equipment, of the first slurry cleaning machine is provided with a slurry treatment mechanism, the slurry treatment mechanism comprises a plurality of groups of second slurry cleaning machines and filter presses, and the second slurry cleaning machines are arranged at the bottoms of the filter presses. Through the mode, the device can convert the sludge in the evaporation pond from hazardous chemicals into general solid wastes after cleaning and filter pressing for multiple times, and mixed salts in the sludge can be converted into industrial sodium sulfate and sodium chloride, so that the total amount of the hazardous wastes can be reduced by 97% or above, and the treatment cost can be reduced by 50% or above.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage, sludge treatment technical field, concretely relates to a kind of sediment slurry elution treatment device. BACKGROUND

[0002] Sewage, sludge disposal is an important direction in environmental protection industry, and the great development of industry puts forward greater and higher requirements for sewage sludge disposal. The disposal of sewage sludge in industry generally uses the traditional evaporation pond drying disposal method: industrial wastewater and sludge are discharged to the evaporation pond for drying, and after the water evaporates, the remaining crystalline salt and sludge are disposed of as hazardous waste.

[0003] Now, with the introduction of new environmental regulations, all factories and parks are required to be zero-emission, and the traditional evaporation pond treatment method is cancelled, and there is a huge disposal demand for the existing crystalline salt and sludge in the evaporation pond. Generally speaking, crystalline salt and sludge are hazardous waste, and rigid landfill is required by hazardous waste enterprises, which not only wastes valuable land resources and increases the disposal cost of enterprises, but also leaves hidden dangers for the future, because the rigid landfill site has a service life, and the natural reduction process of hazardous waste is extremely long. Therefore, new technologies and equipment are urgently needed to reduce and harmlessly dispose of hazardous sludge.

[0004] In summary, it is necessary to invent a sediment slurry elution treatment device. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of sediment slurry elution treatment device to solve the huge disposal demand for the existing crystalline salt and sludge in the evaporation pond. Generally speaking, crystalline salt and sludge are hazardous waste, and rigid landfill is required by hazardous waste enterprises, which not only wastes valuable land resources and increases the disposal cost of enterprises, but also leaves hidden dangers for the future.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of sediment slurry elution treatment device, including the water treatment equipment for treating sewage, the right side of the water treatment equipment is provided with the first mud slurry cleaning machine for primary cleaning of mud slurry, the side of the first mud slurry cleaning machine away from the water treatment equipment is provided with mud slurry treatment mechanism, the mud slurry treatment mechanism includes multiple groups of second mud slurry cleaning machine and filter press, the second mud slurry cleaning machine is arranged at the bottom of filter press, water storage tank is arranged between adjacent two mud slurry treatment mechanisms, the bottom end of the rightmost filter press is installed with mud cake conveyor belt, and the end of the mud cake conveyor belt away from the filter press is connected with the mud cake shredder for crushing mud cake.

[0007] Preferably, the first mud cleaning machine comprises a first chassis, a cleaning tank is arranged at the top end of the outer wall of the first chassis, the right side of the bottom of the outer wall of the cleaning tank is hinged to the right side of the corresponding position of the top end of the outer wall of the first chassis through a hinge mechanism, and a first mud discharge pipe for discharging mud is communicated to the right side of the bottom of the outer wall of the cleaning tank.

[0008] Preferably, stirring paddles are rotatably connected to the front and rear ends of the two sides of the inner wall of the cleaning tank, and first speed reducers are installed on the left side of the outer wall of the cleaning tank and at the corresponding positions of the stirring paddles.

[0009] Preferably, a hydraulic rod is hinged to the left side of the top end of the outer wall of the first chassis, the top output end of the hydraulic rod is hinged to the front and rear sides of the outer wall of the first speed reducer, and a hydraulic oil tank is arranged between the left side of the top end of the outer wall of the first chassis and the hydraulic rod.

[0010] Preferably, the filter press comprises a frame, a plate frame is installed above the top end of the outer wall of the frame, a mud injection pipe is communicated to the left side of the outer wall of the plate frame, and one end of the mud injection pipe away from the plate frame is communicated to the first mud discharge pipe.

[0011] Preferably, plate frame drain ports are communicated to the front and rear sides of the outer wall of the plate frame, extrusion water collection tanks are communicated to the bottom ends of the plate frame drain ports, an extrusion water discharge pipe is communicated to the left end of the extrusion water collection tank, and one end of the extrusion water discharge pipe away from the extrusion water collection tank is respectively communicated to the water storage tank and the liquid inlet of the water treatment equipment.

[0012] Preferably, a mud cake falling inlet is fixed to the inner wall of the frame below the plate frame, a through hole for discharging mud cake is arranged at the bottom end of the mud cake falling inlet, and the bottom of the inner wall of the second mud cleaning machine close to the left side position of the water storage tank is connected to the cleaning tank through a backflow pipe to deliver cleaning water.

[0013] Preferably, the mud cake shredder comprises a second chassis, a crushing hopper is installed above the top end of the outer wall of the second chassis, and one end of the mud cake conveying belt away from the rightmost side of the filter press is arranged above the crushing hopper.

[0014] Preferably, crushing rollers for crushing mud cake are rotatably connected to the bottom of the inner wall of the crushing hopper on both sides, and the front and rear ends of the crushing rollers are rotatably connected to the front and rear sides of the inner wall of the crushing hopper through bearing seats.

[0015] Preferably, second speed reducers are installed on the front and rear ends of the outer wall of the crushing hopper and at the corresponding positions of the two crushing rollers, the output shafts of the second speed reducers are connected to the corresponding ends of the crushing rollers, a material conveying belt is arranged below the discharge port of the bottom end of the crushing hopper, and supporting legs are fixed to the bottom end of the material conveying belt.

[0016] The utility model discloses beneficial effect is:

[0017] In the utility model, through above -mentioned mode can make device can with the sludge in evaporation pond through multiple washing and filter pressing, make it from the dangerous chemical product change general solid waste, and the mixed salt in sludge can be converted into industrial sodium sulfate and sodium chloride, thereby can reduce the total amount of dangerous waste 97% or more, and the processing cost reduces 50% or more, more convenient for sewage treatment factory uses. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the treatment equipment structure schematic diagram of sludge whole of the utility model;

[0019] Figure 2 It is the three -dimensional structure schematic diagram of mud washing machine left side view direction in the utility model;

[0020] Figure 3 It is the three -dimensional structure schematic diagram of mud washing machine right side view direction in the utility model;

[0021] Figure 4 It is the three -dimensional structure schematic diagram of filter press front view direction in the utility model;

[0022] Figure 5 It is the three -dimensional structure schematic diagram of mud cake pulverizer overhead direction in the utility model;

[0023] Figure 6 It is the system structure schematic diagram of sludge treatment in the utility model;

[0024] Figure 7 It is the system structure schematic diagram of sewage treatment in the water treatment equipment in the utility model.

[0025] In the drawing: 100, water treatment equipment;200, first mud washing machine;210, second mud washing machine;220, washing tank;221, stirring paddle;230, first speed reducer motor;240, first chassis;250, hydraulic rod;260, hinge mechanism;261, first mud discharge pipe;300, filter press;310, rack;320, plate frame;330, plate frame drainage outlet;340, extrusion water collection tank;350, mud cake falling inlet;360, mud injection pipe;361, extrusion water discharge pipe;400, water storage tank;500, mud cake shredder;510, crushing hopper;520, second chassis;530, second speed reducer motor;540, crushing roller;550, material conveying belt;600, mud cake conveying belt. DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only for illustrating and explaining the utility model, and are not used to limit the utility model.

[0027] Reference is made to the accompanying drawings that form a part of this disclosure Figures 1-7The utility model provides a kind of sediment slurry elution treatment device, including the water treatment equipment 100 for treating sewage, the water treatment equipment 100 is set to the sewage in slurry is treated, so it can be used multiple times, the right side of water treatment equipment 100 is provided with the first slurry washing machine 200 for washing slurry initially, and the first slurry washing machine 200 is set mainly to wash the sediment slurry from evaporation pond initially, the side of first slurry washing machine 200 away from water treatment equipment 100 is provided with slurry treatment mechanism, and the slurry treatment mechanism is set to the slurry after washing by first slurry washing machine 200 is subsequently treated, and slurry treatment mechanism includes multiple second slurry washing machine 210 and filter press 300, second slurry washing machine 210 is arranged at the bottom of filter press 300, specifically, the number of second slurry washing machine 210 is set to three, and the number of filter press 300 is two, first slurry washing machine 200 includes first chassis 240, the outer wall top of first chassis 240 is provided with washing tank 220, the outer wall bottom right side of washing tank 220 is hinged with the corresponding position of the outer wall top right side of first chassis 240 by hinge mechanism 260, and the washing tank 220 is set to store slurry, the outer wall right side bottom of washing tank 220 is communicated with first slurry discharge pipe 261 for slurry discharge, and the first slurry discharge pipe 261 is set to discharge slurry liquid after washing, the inner wall both sides of washing tank 220 are rotatably connected with stirring paddle 221, the outer wall left side of washing tank 220 and the corresponding position of stirring paddle 221 are all equipped with first speed reducer motor 230 for driving stirring paddle 221 to rotate, the output shaft of first speed reducer motor 230 is fixed with the end of two stirring paddles 221, and first speed reducer motor 230 can drive stirring paddle 221 to rotate after electrification, so that stirring paddle 221 can break slurry and fully mix washing water, the outer wall top left side of first chassis 240 is hinged with hydraulic rod 250, the top output end of hydraulic rod 250 is hinged with the outer wall front and back side of first speed reducer motor 230, the hydraulic rod 250 is set to rotate washing tank 220 upward by right side position setting hinge mechanism after slurry and water are mixed, so that the left side of washing tank 220 is lifted, and slurry water in washing tank 220 can flow to the direction of first slurry discharge pipe 261, so that slurry water discharge efficiency can be accelerated, and slurry water can be discharged more cleanly from washing tank 220, the outer wall top left side of first chassis 240 and between hydraulic rod 250 are provided with hydraulic oil tank, the hydraulic oil tank is set to control hydraulic rod 250 to stretch out and draw back by oil pump, and the left side of washing tank 220 can be lifted by first speed reducer motor 230 when hydraulic rod 250 is lengthened, so that slurry liquid can be discharged better through first slurry discharge pipe 261,And the cleaning tank 220 and the first mud discharge pipe 261 need to be set up some hoses to make the cleaning tank 220 rotate without damaging the first mud discharge pipe 261.

[0028] The filter press 300 comprises a rack 310, and a plate frame 320 is installed above the top of the outer wall of the rack 310. The plate frame 320 is arranged to filter the mud and make mud cakes. The outer wall left side of the plate frame 320 is connected with a mud injection pipe 360. The end of the mud injection pipe 360 away from the plate frame 320 is connected with the first mud discharge pipe 261. The first mud discharge pipe 261 can deliver mud into the plate frame 320 through the mud injection pipe 360 by the mud pump. The front and rear sides of the outer wall of the plate frame 320 are connected with plate frame water outlets 330. The bottom ends of the plate frame water outlets 330 are connected with extrusion water collection grooves 340. The left end of the extrusion water collection groove 340 is connected with an extrusion water discharge pipe 361. The end of the extrusion water discharge pipe 361 away from the extrusion water collection groove 340 is connected with the water storage tank 400 and the liquid inlet of the water treatment equipment 100 respectively. The water pressed out of the plate frame 320 is delivered into the extrusion water collection groove 340 through the plate frame water outlets 330. The extrusion water collection groove 340 delivers the collected filter screen water into the water storage tank 400 or the water treatment equipment 100 through the extrusion water discharge pipe 361. The filter water in the first mud cleaning machine 200 is the first washing water and is the dirtiest one without recycling value, which is directly delivered into the water treatment equipment 100 for purification. The inner wall of the rack 310 and below the plate frame 320 is fixed with a mud cake falling inlet 350. The bottom end of the mud cake falling inlet 350 is provided with a through hole for discharging mud cakes. The inner wall bottom of the second mud cleaning machine 210 close to the left side position of the water storage tank 400 delivers cleaning water to the cleaning tank 220 through a backflow pipe. The mud cake falling inlet 350 is arranged to collect the mud cakes pressed out of the filter and fall into the second mud cleaning machine 210 at the bottom end or the mud cake conveying belt 600 through the through hole. The water storage tank 400 is arranged to collect the filter water pressed out of the second mud cleaning machine 210 and deliver the filter water into the second mud cleaning machine 210 at the left side position through the backflow pipe as cleaning water for the mud cakes.

[0029] The water storage tank 400 is arranged between two adjacent slurry treatment mechanisms, and the bottom end of the rightmost filter press 300 is provided with a cake conveying belt 600, which is arranged to collect the cake discharged from the rightmost filter press 300 and convey the cake to the cake shredder 500 for crushing. After the rightmost filter press 300 completes the filter pressing of the slurry, the plate frame 320 used for filter pressing is opened by the hydraulic mechanism of the device, and the cake formed by the filter pressed slurry falls off from the plate frame 320. The bottom end of the filter press 300 is provided with an empty hole, so that the cake falls onto the cake conveying belt 600 arranged below the filter press 300. The cake conveying belt 600 is driven by the motor to convey the cake to the direction of the crushing hopper 510, and finally falls into the crushing hopper 510 for crushing. The cake conveying belt 600 is connected with the cake shredder 500 for crushing the cake at the end away from the filter press 300. The cake shredder 500 comprises a second base frame 520, and the crushing hopper 510 is arranged on the top of the outer wall of the second base frame 520. The cake conveying belt 600 is arranged above the crushing hopper 510 at the end away from the rightmost filter press 300. The crushing rollers 540 for crushing the cake are rotatably connected to the inner wall of the crushing hopper 510 at the bottom of both sides. The crushing rollers 540 are rotatably connected to the inner wall of the crushing hopper 510 through bearing seats at the front end and the rear end. The second reduction motors 530 are arranged on the outer wall of the crushing hopper 510 at the front end and the rear end and correspond to the two crushing rollers 540. The output shafts of the second reduction motors 530 are connected with the corresponding ends of the crushing rollers 540. Specifically, the second reduction motors 530 can drive the two crushing rollers 540 to rotate in opposite directions after being powered on. The crushing rollers 540 can crush the conveyed cake during rotation. The material conveying belt 550 is arranged below the discharge port of the bottom end of the crushing hopper 510. The bottom end of the material conveying belt 550 is fixed with supporting legs. The crushed cake falls onto the material conveying belt 550, and the material conveying belt 550 conveys the crushed cake to the carriage or other storage equipment through the transmission belt.

[0030] The use process of the utility model is as follows: first, the precipitated sludge of the evaporation pond is injected into the first slurry cleaning machine 200, wherein the principle of the first slurry cleaning machine 200 is similar to that of the traditional sand washing machine. The first reduction motor 230 drives the stirring paddle 221 to repeatedly stir the precipitated sludge in water, so that the salt, oil, heavy metals and other impurities in the precipitated sludge are dissolved into water.

[0031] Second step, all the mud and water in the first mud washing machine 200 through the first mud discharge pipe 261 to the left side of the first table filter 300, the filter 300 will be pressed by the plate frame 320 mud cake 1 and separated from the filter water 1, wherein the filter water 1 is the first elution water, is the dirtiest, no recycling value, directly through the plate frame drain 330 and extrusion water collection tank 340 collection and through the extrusion water discharge pipe 361 to the water treatment equipment 100 purification;

[0032] Third step, the mud cake 1 is put into the second mud washing machine 210 in the left position, repeat the similar first step and second step, produce filter water 2 is relatively clean, injection first mud washing machine 200 using the filter 300 in the plate frame 320 filter mud injection pipe 360 injection of mud, the plate frame 320 extrusion water from the plate frame drain 330 and flow into the extrusion water collection tank 340, and the extrusion water collection tank 340 after the extrusion water collection, can be transported to the water storage tank 400 or water treatment equipment 100 through the extrusion water discharge pipe 361, and the water storage tank 400 or water treatment equipment will be transported back to the corresponding washing tank 220 through the backflow pipe for cleaning use, so as to achieve the purpose of multiple recycling of filter water;

[0033] Third step, the mud cake 2 is put into the second mud washing machine 210 in the right position, repeat the similar first step and second step, the third time for the sediment mud elution, produce filter water 3 than filter water 2 clean, injection left position of the second mud washing machine 210 repeatedly used, namely the filter 300 in the plate frame 320 filter mud injection pipe 360 injection of mud, the plate frame 320 extrusion water from the plate frame drain 330 and flow into the extrusion water collection tank 340, and the extrusion water collection tank 340 after the extrusion water collection, can be transported to the water storage tank 400 or water treatment equipment 100 through the extrusion water discharge pipe 361, and the water storage tank 400 or water treatment equipment will be transported back to the corresponding washing tank 220 through the backflow pipe for cleaning use, so as to achieve the purpose of multiple recycling of filter water, and produce mud cake 3;

[0034] Fourthly, the water purified by the water treatment device 100 is injected into the second mud cleaning machine 210 on the right side, so as to achieve the effect of water recycling. During the treatment process, the water body is added with a medicament for promoting flocculation and oil demulsification, and the water body is subjected to activated carbon adsorption of heavy metal substances. The final mud cake 3 is detected, and each index reaches the general solid waste standard, so that the mud cake 3 can be landfilled or used as regenerated soil. Then, the mud cake 3 is conveyed to the crushing hopper 510 by the mud cake conveying belt 600. The second speed reduction motor 530 is capable of driving the two crushing rollers 540 to rotate in opposite directions after being powered on. The crushing rollers 540 can crush the conveyed mud cake when rotating. The crushed mud cake falls onto the material conveying belt 550. The material conveying belt 550 conveys the crushed mud cake to the carriage or other storage device through the conveying belt.

[0035] The above is only a preferred embodiment of the present application, and any skilled person in the art can modify the technical solutions described above or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the present application is within the scope of protection of the present application.

Claims

1. A sludge washing and elution apparatus comprising a water treatment plant (100) for treating sewage, characterized in that: The right side of the water treatment equipment (100) is provided with a first mud washing machine (200) for primary cleaning of mud, and the first mud washing machine (200) is provided with a mud treatment mechanism away from the side of the water treatment equipment (100), the mud treatment mechanism comprises a plurality of groups of second mud washing machines (210) and filter presses (300), the second mud washing machines (210) are arranged at the bottom of the filter presses (300), a water storage tank (400) is arranged between adjacent two mud treatment mechanisms, a mud cake conveying belt (600) is installed at the bottom end of the rightmost filter press (300), and one end of the mud cake conveying belt (600) away from the filter press (300) is connected with a mud cake shredder (500) for crushing mud cake.

2. The elution device for sludge according to claim 1, characterized in that: The first mud washing machine (200) comprises a first chassis (240), a cleaning tank (220) is arranged at the top of the outer wall of the first chassis (240), the bottom right side of the outer wall of the cleaning tank (220) is hinged to the corresponding position at the top right side of the outer wall of the first chassis (240) through a hinge mechanism (260), and the bottom right side of the outer wall of the cleaning tank (220) is communicated with a first mud discharge pipe (261) for discharging mud.

3. A device for eluting a sludge cake according to claim 2, characterized in that: The inner wall of the cleaning tank (220) is rotatably connected with stirring paddles (221) at the front and rear ends of the two sides, and the left side of the outer wall of the cleaning tank (220) and the corresponding positions of the stirring paddles (221) are both provided with first speed reduction motors (230) for driving the stirring paddles (221) to rotate.

4. The elution device for sludge according to claim 3, characterized in that: The outer wall top left side of the first chassis (240) is hinged with a hydraulic rod (250), the top output end of the hydraulic rod (250) is hinged to the corresponding positions of the front and rear sides of the outer wall of the first speed reduction motor (230), and the outer wall top left side of the first chassis (240) and between the hydraulic rods (250) is provided with a hydraulic oil tank.

5. The elution device of claim 2, wherein: The outer wall top of the machine frame (310) is provided with a plate frame (320), the left side of the outer wall of the plate frame (320) is communicated with a mud injection pipe (360), and one end of the mud injection pipe (360) away from the plate frame (320) is communicated with the first mud discharge pipe (261).

6. A device for eluting a sludge cake according to claim 5, characterized in that: The front and rear sides of the outer wall of the plate frame (320) are both communicated with plate frame water outlets (330), the bottom ends of the plate frame water outlets (330) are both communicated with extrusion water collecting tanks (340), the left end of the extrusion water collecting tank (340) is communicated with an extrusion water discharge pipe (361), and one end of the extrusion water discharge pipe (361) away from the extrusion water collecting tank (340) is respectively communicated with the water storage tank (400) and the liquid inlet of the water treatment equipment (100).

7. A device for eluting a sludge cake according to claim 6, characterized in that: The inner wall of the machine frame (310) and below the plate frame (320) is fixed with a mud cake falling inlet (350), the bottom end of the mud cake falling inlet (350) is provided with an opening for discharging mud cake, and the inner wall bottom of the second mud washing machine (210) close to the left side position of the water storage tank (400) delivers cleaning water to the cleaning tank (220) through a backflow pipe.

8. The elution device of claim 1, wherein: The mud cake shredder (500) comprises a second chassis (520), a crushing hopper (510) is installed above the top end of the outer wall of the second chassis (520), and the mud cake conveying belt (600) is arranged above the crushing hopper (510) away from the rightmost end of the filter press (300).

9. A device for eluting a sludge cake according to claim 8, characterized in that: The inner wall of the crushing hopper (510) is rotatably connected with a crushing roller (540) for crushing mud cake on both sides of the bottom of the inner wall, and the front end and the rear end of the crushing roller (540) are rotatably connected with the front side and the rear side of the inner wall of the crushing hopper (510) through bearing seats.

10. The elution device of claim 9, wherein: Second speed reduction motors (530) are installed at the corresponding positions of the outer wall front end and rear end of the crushing hopper (510) and the two crushing rollers (540), the output shafts of the second speed reduction motors (530) are connected with the corresponding end portions of the crushing rollers (540), a material conveying belt (550) is arranged below the discharge port at the bottom end of the crushing hopper (510), and supporting legs are fixed to the bottom end of the material conveying belt (550).

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