CN211284091U - Silt dehydration curing system - Google Patents

Abstract

The utility model particularly relates to a sludge dewatering and solidifying system, which comprises a medicament prying unit, a dosing and pulping prying unit and a filter press prying unit; the medicament prying unit comprises a medicament bin capable of quantitatively discharging; the chemical feeding and pulping prying unit comprises a first mud groove, a second mud groove and a third mud groove, the first mud groove is simultaneously connected with the mud collecting and storing pool, the second mud groove and the third mud groove, a first grid is arranged in the first mud groove, stirring devices are arranged in the second mud groove and the third mud groove, and the chemical bin is simultaneously connected with the second mud groove and the third mud groove; the pressure filter prying unit comprises a membrane pressure filter and a belt conveyor, a feed inlet of the membrane pressure filter is connected with the second slurry tank and the third slurry tank, and the belt conveyor is connected with a discharge outlet of the membrane pressure filter. The sludge dewatering and solidifying system can be quickly put in place, quickly removed from the field and quickly put into use, and industrially produces mud cakes with the same technical quality as that produced by a conventional dewatering and solidifying integrated process.

Description

Silt dehydration curing system

Technical Field

The utility model relates to a field is administered to the mud, concretely relates to silt dehydration curing system.

Background

In the 21 st century, social and environmental problems such as unsmooth flood discharge, water quality deterioration and engineering mud derived from large-scale urban construction activities caused by sedimentation and pollution of river and lake bottom mud are increasingly severe, and meanwhile, the economic development levels in various parts of China are different, the treatment and resource utilization levels of river and lake mud, urban construction mud and various solid wastes are different, and the mud treatment technology and the treatment level are also different. At present, the technical means for treating river and lake silt and building slurry comprise a natural dehydration and drying process, a vacuum prepressing and dehydration process, a geotechnical pipe bag dehydration and solidification process, a dehydration and solidification integrated process and the like.

The integrated dewatering and consolidating process is a slurry treating technology which is started in recent years and gradually becomes the mainstream, inorganic and organic macromolecules are added into various slurries to neutralize the surface charges of colloid and suspended particles in sludge and overcome the electrostatic repulsive force among the colloid and suspended particles, so that the fine particles are destabilized. The colloidal particles and suspended particles react with polar groups or charged groups of inorganic and organic high molecular compounds, and the functions of bridging and net flapping form precipitates which are much larger than the volume of slurry fine particles. The mud is settled because of the rapid increase of the particle size, and is matched with filter-pressing dehydration equipment and a corresponding process flow, thereby greatly improving the dehydration effect and efficiency of the mud. Then adding solidifying agent to make the dewatered mud undergo the complex solidifying and hydration reaction immediately to raise the physical and mechanical properties of formed soil body, said process can promptly separate mud, can promptly reduce mud volume and can implement passivation, solidification or disinfection of harmful substances of heavy metal, microbe and bacteria, etc.

Compared with other processes, the dehydration and consolidation integrated process has the characteristics of high production efficiency, strong adaptability to various slurries, small system floor area, no secondary pollution transfer risk and 24-hour industrial operation. The sludge treated by the process can be immediately separated into filtered water and hard plastic mud cakes (earthwork) with the water content of below 40 percent, and can be directly loaded or stacked.

The conventional dehydration and consolidation integrated process system comprises a dosing system, a pulping system, a filter pressing system and the like, a sedimentation tank, an adjusting tank, a homogenizing tank, a medicament warehouse, a filter pressing workshop, an air supply station, a power distribution room, a living and office room and the like are usually arranged on a medium-large slurry treatment project besides the process equipment system, the project construction and installation period is at least half a year, and the investment is large. The slurry solidification treatment station established for a plurality of slurry collection and storage points close to river channels to be treated or government-guided establishment has long operation time and large slurry treatment amount, can obtain better investment income, has long construction period and short operation time for slurry projects with the characteristics of small slurry amount, short construction period, limited site and the like, and has poor economic benefit when the project is disassembled after the operation is finished.

However, how to realize that a set of sludge dewatering and solidifying system is quickly positioned and quickly removed from a field, and is quickly put into use and industrially produces mud cakes with the same technical quality as that produced by a conventional dewatering and solidifying integrated process is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide one kind and handle the silt dehydration curing system that the square volume is little, the place is limited, the construction and handle the time limit for a project short to mud, this system architecture equipment is simple, it is convenient to dismantle.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a sludge dewatering and curing system comprises a medicament prying unit, a dosing and pulping prying unit and a filter press prying unit; the medicament prying unit comprises a medicament bin capable of quantitatively discharging; the chemical feeding and pulping prying unit comprises a first mud groove, a second mud groove and a third mud groove, the first mud groove is simultaneously connected with a mud collecting and storing pool, the second mud groove and the third mud groove, a second grid is arranged in the first mud groove, stirring devices are arranged in the second mud groove and the third mud groove, and the chemical bin is simultaneously connected with the second mud groove and the third mud groove; the pressure filter prying unit comprises a membrane pressure filter and a belt conveyor, a feed inlet of the membrane pressure filter is connected with the second slurry tank and the third slurry tank, and the belt conveyor is connected with a discharge outlet of the membrane pressure filter.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the chemical bin comprises a first chemical bin and a second chemical bin which are arranged in parallel, discharging openings of the first chemical bin and the second chemical bin are provided with dischargers, dust removing devices are arranged above the first chemical bin and the second chemical bin, and the first chemical bin and the second chemical bin are connected with the second mud pit and the third mud pit through metering and conveying equipment and distributing and conveying equipment to convey materials.

The chemical adding and pulping pry unit further comprises an air compressor, an air tank, a first sludge conveying pump, a second sludge conveying pump and a motor cabinet, wherein the air compressor is communicated with the air tank and is communicated with the membrane filter press through a gas squeezing pipeline, the second sludge conveying pump is connected with the slurry collecting and storing pool, the second sludge tank and the third sludge tank, and the first sludge conveying pump is connected with the second sludge tank, the third sludge tank and the membrane filter press; the air compressor, the air tank and the first mud conveying pump are respectively positioned at the left end and the right end of the other flat-bed semi-trailer, and the first mud groove, the second mud groove and the third mud groove are sequentially and closely arranged at the central positions of the flat-bed semi-trailers; and the power inlet cabinet and the motor cabinet are positioned on the flat-bed semi-trailer and are close to the first mud pump.

Furthermore, the pressure filter prying unit further comprises a mud guide cone, the mud guide cone is positioned below the membrane pressure filter, the belt conveyor is positioned below the mud guide cone, and the membrane pressure filter, the mud guide cone and the belt conveyor are all fixed on the other flat-bed semi-trailer.

Furthermore, the pressure filter prying unit and/or the dosing and pulping prying unit and/or the pressure filter prying unit further comprises a splicing type platform, a guardrail, a rain shelter and a ladder.

Further, an automatic mud impurity removal combined device is further arranged between the film pressing filter and the second mud tank and between the film pressing filter and the third mud tank.

Further, the automatic impurity removal combined device for the slurry comprises a second grating, an impurity filtering part, a slurry conveying part and an impurity collecting part; the impurity filtering part comprises a slurry buffer tank, wherein large chain wheels are respectively arranged in front of and behind the slurry buffer tank, a height drop is formed between the two large chain wheels, the two large chain wheels are connected through a straight plate roller chain, a second grid is arranged on the straight plate roller chain to form an inclined plane, and the impurity filtering part also comprises a driving mechanism for driving the large chain wheels; the mud conveying part comprises a mud conveying pipe, and an output port of the mud conveying pipe is arranged at the top of the impurity filtering part; the impurity collecting part is arranged below the large chain wheel with lower height and comprises an impurity collecting pool and an impurity scraping mechanism for scraping residual impurities on the second grating.

Further, the mud conveying part also comprises a buffer tank arranged below the output port of the sludge conveying pipe, and the buffer tank is fixedly arranged on the inner side of the top end of the supporting side plate.

Furthermore, adjusting plates are installed on two sides of the bottom end of the cache groove and are in sliding connection with the bottom end of the cache groove.

Further, the bar spout has been seted up to the surface of buffer memory bottom of the groove portion, the regulating plate passes through bar spout sliding fit with buffer memory bottom of the groove portion.

The utility model also provides a sled method of becoming of above-mentioned silt dehydration solidification system:

fixedly mounting the automatic mud impurity removal combined device, the diaphragm filter press, the mud guide cone and the belt conveyor on a flat-bed semi-trailer to obtain a prying unit of the filter press;

the mud pump, the mud groove, the air compressor and the storage tank are fixedly arranged on the other flat-bed semi-trailer to obtain a dosing and pulping pry unit;

mounting and fixing the medicament bin and the accessories to obtain a medicament prying unit;

dragging each prying unit to a slurry treatment project site by a tractor, carrying out logistics transportation on other equipment, pipelines, valves, instruments, a spliced platform and a canopy to the site, reasonably positioning each prying unit, and unloading and vertically installing medicaments after the medicaments are pryed to the site;

carrying out equipment and electrical connection on each prying unit through a pipeline, a valve, a control instrument and a medicament conveying and stirring device according to a slurry process treatment flow, and installing a platform, a guardrail and a rain shelter;

conveying the slurry to be treated to a first slurry tank, wherein different medicament powder tank cars correspond to the medicament bins;

the mud in the first mud trough is respectively conveyed to a second mud trough or a third mud trough by a first mud conveying pump;

respectively metering the medicaments in the first medicament bin and the second medicament bin, conveying the metered medicaments to a second mud pit and a third mud pit, and uniformly stirring;

sending the uniform slurry in the second slurry tank and the third slurry tank to a membrane filter press by a first delivery pump alternately;

primary slurry feeding and filter pressing, and secondary gas diaphragm filter pressing.

The utility model provides a silt dehydration curing system has following beneficial technological effect:

(1) the sludge dewatering and curing system only comprises a chemical agent bin, three sludge tanks, a diaphragm filter press and a belt conveyor, is simple in equipment and convenient to mount and dismount, and can be quickly in place, quickly removed, quickly put into use and industrially produce sludge cakes with the same technical quality not lower than that produced by a conventional dewatering and agglomerating integrated process aiming at the projects of small sludge amount, short construction period and limited field;

(2) the system comprises two slurry tanks with the function of mixing medicaments, and the two slurry tanks can alternately supply materials to the membrane filter press, so that the efficiency is high;

(3) the device is divided into three units which are respectively arranged on different flat-bed semi-trailers, all or most of construction engineering items manufactured and installed on site are further transferred to a manufacturing workshop to be completed, and the skid-mounted device is transported to a construction site to be assembled through pipelines and the like, so that construction equipment, manpower and power consumption are greatly saved, the civil construction amount is reduced, the early construction period is shortened, and the project construction period is shortened;

(4) the skid-mounted equipment is convenient to disassemble and move and is particularly suitable for the characteristic of sporadic dispersion of engineering slurry;

(5) the skid-mounted equipment is arranged densely, so that the arrangement is compact, the occupied area can be greatly reduced, and the transportation is convenient and rapid;

(6) the complete set of technical equipment can be arranged in parallel with a plurality of production lines according to the adverse circumstances of the construction site, has large comprehensive processing capacity and high efficiency, and is not influenced by the weather;

(7) the device has the advantages that the water content of the dewatered mud cake is lower than 40% by adding the agent consolidation agent and the silt coagulation agent in a proper amount and reasonably controlling all parameters, the mud cake with the same technical quality and produced by the conventional dewatering and consolidation integrated process can be produced, and the mud cake is not softened or argillized when meeting water, so that the logistics is convenient to transport outside.

Drawings

FIG. 1 is a schematic diagram of the principle structure of the present invention;

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

FIG. 3 is a schematic front view of a pry unit of the filter press;

FIG. 4 is a schematic side view of a pry unit of the filter press;

FIG. 5 is a schematic view of the chemical feeding and slurrying pry unit;

FIG. 6 is a schematic side view of the chemical dosing and slurrying pry unit;

FIG. 7 is a schematic structural view of an automatic sludge impurity removal combined device;

FIG. 8 is a schematic top view of the impurity filtering portion of FIG. 7;

FIG. 9 is a schematic structural diagram of another embodiment of an automatic impurity removal combination device for slurry;

FIG. 10 is a schematic diagram of a cache slot structure;

FIG. 11 is a schematic view of the structure of an impurity collecting portion;

in the drawings, the components represented by the respective reference numerals are listed below:

1. diaphragm filter press, 2, flat-bed semi-trailer, 3, rain shelter, 4, guardrail, 5, mud guide cone, 6, belt conveyor, 7, air compressor, 8, air tank, 9, first mud groove, 10, second mud groove, 11, third mud groove, 12, stirring motor, 13, reducer I, 14, transmission shaft, 15, stirring blade, 16, electric control cabinet, 17, mud pump I, 18, mud pump II, 25, metering and conveying equipment, 26, distributing and conveying equipment, 27, mud pipeline, 28, gas squeezing pipeline, 29, grating I, 01, driving mechanism, 02, reducer, 03, large chain wheel, 04, straight plate roller chain, 05, grating II, 06, mud conveying pipe, 07, buffer tank, 08, supporting side plate, 09, strip-shaped chute, 010, adjusting plate, 011, mud buffer tank, 012, impurity discharge pipe, 013, driving motor, 014, A second speed reducer 015, a scraping mechanism 016, a mounting seat 017, an impurity collecting tank 018, a short supporting plate 019 and a driving shaft.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Example 1

As shown in fig. 1 and 2, a sludge dewatering and solidifying system comprises a medicament prying unit, a dosing and pulping prying unit and a filter press prying unit; the reagent sled unit comprises a reagent bin capable of quantitatively discharging, the dosing and pulping sled unit comprises a first mud groove 9, a second mud groove 10 and a third mud groove 11, the first mud groove 9 is simultaneously connected with a mud collecting and storing pool, the second mud groove 10 is connected with the third mud groove 11, a first grid 29 is arranged in the first mud groove 9, stirring devices are arranged in the second mud groove 10 and the third mud groove 11 and comprise stirring motors 12, a first speed reducer 13, a transmission shaft 14 and stirring blades 15, the reagent bin is simultaneously connected with the second mud groove 10 and the third mud groove 11 to add reagents into the second mud groove 10 and the third mud groove 11, the pressure filter prying unit comprises a diaphragm pressure filter 1 and a belt conveyor 6, a feeding port of the diaphragm pressure filter 1 is connected with the second mud groove 10 and the third mud groove 11 through a tee joint and a pipeline, and the belt conveyor 6 is connected with a discharging port of the diaphragm pressure filter 1.

When the sludge is dewatered and solidified, the sludge in the sludge storage tank is pumped into a first sludge tank 9 by a sludge pump, the first grid 29 is arranged in the first mud groove 9, the first grid 29 can play a primary filtering role, mud subjected to primary filtering enters the second mud groove 10 or the third mud groove 11 through the second mud pump 18 (specifically, the second mud pump 18 is simultaneously connected with the second mud groove 10 and the third mud groove 11 through a tee joint and a pipeline), the chemical cabin adds chemical into the second mud groove 10 or the third mud groove 11, the mud is fully and uniformly mixed with the chemical in the second mud groove 10 or the third mud groove 11, and then the sludge enters the membrane filter press 1 through a first sludge conveying pump 17, the sludge cake treated by the membrane filter press 1 falls down and enters the belt conveyor 6 and is discharged through the belt conveyor 6, and the filtrate is discharged or collected for treatment. The device is provided with two slurry tanks with mixed medicaments, the two slurry tanks can alternately supply materials to the membrane filter press 1, and the efficiency is high.

As shown in fig. 1 and 2, the chemical storage bin includes a first chemical storage bin and a second chemical storage bin which are arranged in parallel, discharging openings of the first chemical storage bin and the second chemical storage bin are provided with discharging devices, specifically, the bottom of the chemical storage bin is a cone hopper, the discharging devices are arranged below the cone hopper, dust removing devices are arranged above the first chemical storage bin and the second chemical storage bin and are used for removing dust from the chemical storage bins, the dust removing devices can adopt simple filter bags or bag-type dust collectors, the first chemical storage bin and the second chemical storage bin are connected with the second slurry tank 10 and the third slurry tank 11 through a metering and conveying device 25 and a distributing and conveying device 26, the metering and conveying device 25 includes a discharging device and a metering screw, the distributing and conveying device 26 includes a screw conveyor, and the connection mode of the metering and conveying device 25 and the distributing and conveying device 26 is the prior art, and will not be described in detail herein. The first chemical agent bin and the second chemical agent bin can be installed on a flat-plate semi-trailer in parallel, when the device is used, the metering and conveying device 25 and the distributing and conveying device 26 are installed, the discharge holes of the distributing and conveying device are respectively connected with the feed inlets of the second slurry tank 10 and the third slurry tank 11, the added chemical agents in the embodiment are a consolidation agent and a silt coagulation agent, and the added chemical agents are respectively placed in the two chemical agent bins and respectively quantitatively added into the second slurry tank 10 and the third slurry tank 11.

As shown in fig. 5 and 6, the dosing and slurrying skid unit further comprises an air compressor 7, an air tank 8, a first mud pump 17, a second mud pump 18 and a motor cabinet 16, wherein the air compressor 7 is communicated with the air tank 8 and is communicated with the membrane filter press 1 through an air pressing pipeline 28, the first mud pump 17 is connected with a second mud filter tank 10, a third mud tank 11 and the membrane filter press 1, the second mud pump 18 is connected with a first mud tank 9, a second mud tank 10 and a third mud tank 11, the air compressor 7, the air tank 8 and the first mud pump 17 are respectively positioned at the left end and the right end of the other flat-bed semi-trailer 2, and the first mud tank 9, the second mud tank 10 and the third mud tank 11 are sequentially and closely arranged at the central position of the flat-bed semi-trailer 2; the second mud pump 18 is arranged close to the first mud trough 9, and the power inlet cabinet and the electric cabinet 16 are arranged on the flat-bed semi-trailer 2 and close to the first mud pump 17.

As shown in fig. 4, the pressure filter prying unit further comprises a mud guide cone 5, the mud guide cone 5 is fixed below the membrane pressure filter 1 through a support, the belt conveyor 6 is fixedly installed below the mud guide cone 5, and the membrane pressure filter 1, the mud guide cone 5 and the belt conveyor 6 are all fixed on a flat semi-trailer 2 through an installation support.

In this embodiment, the pressure filter prying unit and/or the chemical adding and pulping prying unit and/or the pressure filter prying unit further include a splicing type platform, a guardrail 4, a canopy 3 and a ladder, and the concrete structures of the splicing type platform, the guardrail 4, the canopy 3 and the ladder are the prior art and will not be described in detail herein.

In the embodiment, the total filtering area of the membrane filter press 1 is not more than 400 square meters, the total length is not more than 13m, the width is not more than 2.5m, the total height of the components such as the membrane filter press 1, the belt conveyer 6 and the like is not more than 2.8m, the mud guide cone 5 is as long as the membrane filter press 1, the upper end of the cone body is matched with the width of the membrane filter press 1, and the lower end of the cone body is matched with the belt width of the belt conveyer; air displacement of air compressor 7 is more than or equal to 3m³Min, exhaust pressure range of 0.8-1.25 Mpa, gas storage tank volume of 5m³1.3Mpa, the effective volume of the first mud pit 9, the second mud pit 10 and the third mud pit 11 is 15m³The width is 2.5m, the clear water flow of the second 18 mud conveying pump is 80-120 m³H, the lift is less than or equal to 30m, and the clear water flow of the first mud conveying pump 17 is 60-100 m³H, the lift is more than or equal to 80 m; the heights of the air compressor 7, the air tank 8, the mud groove, the mud pump and the electric control cabinet are not more than 2.8 m; the volume of the first medicament bin and the volume of the second medicament bin are 24-27 m³Two chemical bins are respectively fixed in the frame beam, the frame beam is fixed on the flat-bed semi-trailer, the top of the chemical bin is provided with a dust removing device, the discharge port of the cone hopper at the bottom of the chemical bin is provided with a star-shaped discharger, and the waist of the cone hopper is provided with an auxiliary discharging device.

In the embodiment, the first mud pump 17 uses a high-pressure head and a high flow rate of the mud pump to convey the reacted mud into a filter cloth cavity of a filter press for dehydration, and after the mud feeding is finished, compressed gas is injected into a diaphragm plate, the diaphragm plate swells and deforms to extrude a mud cake in the filter cloth cavity, so that the mud cake is further dehydrated, namely, primary mud feeding and filter pressing, secondary gas diaphragm filter pressing, mud cake outward transportation, filtrate outward discharge or centralized treatment, and the filter press is obtained.

The engineering slurry processed by the system has the following relevant parameters:

installed capacity	Cake making cycle time	Area of filtration	Volume of filter cake	System footprint
					110kw	70min	400㎡	8m3	About 190 square meters

The physical parameters of the obtained mud cake are as follows:

water content ratio	Unconfined compressive strength of 7 days	Shear strength cohesion	Shear strength internal friction angle	Heavy metal detection of leachate
					＜40％	>150KPa	C>25KPa	φ>15°	Reach the standard

Example 2

Example 2 differs from example 1 in that: in this embodiment, an automatic mud impurity removing and combining device is further arranged between the first mud groove 9 and the second mud groove 10 and the third mud groove 11. The automatic impurity removing device for the slurry can be independently conveyed to the site and is arranged on the air and ground close to the chemical adding and pulping prying unit during assembly.

As shown in fig. 7 and 8, the automatic mud impurity removing combination device comprises an impurity removing part, a mud conveying part and an impurity collecting part, the impurity removing part comprises a mud buffer tank 011, the mud buffer tank 011 is connected with a second mud tank 10 and a third mud tank 11 and supplies materials to the mud buffer tank through a mud pump, the front and the back of the mud buffer tank 011 are respectively provided with a large chain wheel 03, a height difference exists between the two large chain wheels 03, the two large chain wheels 03 are connected through a straight plate roller chain 04, a grid II 05 is arranged on the straight plate roller chain 04 to form an inclined plane, the impurity removing part further comprises a driving mechanism 01 for driving the large chain wheel 03, the driving mechanism 01 preferably adopts a motor which runs stably and is used for driving the large chain wheel 03 to rotate and driving the straight plate roller chain 04 to run, and accordingly the grid II 05 is driven to run downwards along the inclined plane. The impurity filtering part is formed by a large chain wheel 03, a straight plate roller chain 04 and a second grating 05 in a surrounding mode to form an oblique filtering surface, after slurry is poured into the filtering surface, the slurry penetrates through the second grating 05 and is filtered into a slurry buffer tank 011, and impurities are left on the surface of the second grating 05 and are conveyed away. The driving mechanism 01 is preferably connected to a driving shaft of the large sprocket 03 through a decelerator 02 to control the large sprocket 03 to rotate at a low speed.

The mud conveying part comprises a mud conveying pipe 06, and an output port of the mud conveying pipe 06 is arranged at the top of the impurity filtering part and is used for pouring mud to be filtered into the impurity filtering part.

The impurity collecting part is arranged below the large chain wheel 03 with lower height and comprises an impurity collecting tank 017 and an impurity scraping mechanism 015 for scraping residual impurities on the second grating 05, the impurities left on the surface of the second grating 05 are conveyed to the large chain wheel 03 with lower height and fall into the impurity collecting tank 017, and small particle impurities clamped on the second grating 05 can be scraped by the impurity scraping mechanism 015 and fall into the impurity collecting tank 017.

As shown in fig. 9, the present application also provides an improved technical scheme of the automatic mud impurity removal combination device, and in the improved technical scheme, support side plates 08 are respectively installed on two sides of the mud buffer tank 011.

The mud conveying part also comprises a buffer tank 07 arranged below the output port of the mud conveying pipe 06, and the buffer tank 07 is fixedly arranged on the inner side of the top end of the supporting side plate 08. The lower part of the buffer groove 07 can be designed into a trapezoidal structure, and a smaller opening is adopted, so that the buffer effect is better.

Above-mentioned modified technical scheme can effectively control the speed of mud whereabouts, avoids the mud spill, also can effectively avoid simultaneously because of the too fast, the impact force of mud whereabouts speed is too big, leads to the impurity card in grid two 05. The supporting side plate 08 can also function as a baffle to block splashed slurry and avoid pollution.

As shown in fig. 10, adjusting plates 010 are installed at both sides of the bottom end of the buffer slot 07, and the adjusting plates 010 are slidably connected to the bottom end of the buffer slot 07. The cache slot 07 may preferably have the following structure: the outer surface of the bottom end of the cache groove 07 is provided with a strip-shaped sliding groove 09, the adjusting plate 010 is in sliding fit with the bottom end of the cache groove 07 through the strip-shaped sliding groove 09, 6-8 strip-shaped sliding grooves 09 are preferably formed, and the stability of adjustment and the firmness of the structure are guaranteed. This setting can be adjusted buffer tank 07's opening size as required, except the falling speed that can adjust mud, can also filter partly massive impurity through the control of the opening size of buffer tank 07 bottom, improves filtration efficiency.

As shown in fig. 11, the impurity scraping mechanism 015 is preferably an iron brush mechanism, which has fine bristles and high strength, and can ensure the scraping efficiency.

The impurity scraping mechanism 015 preferably adopts the following structure: the device comprises a driving shaft 019 provided with an iron brush, mounting seats 016 arranged on two sides of a foreign matter collecting tank 017 and a driving motor 013 arranged on one side of the driving shaft 019, wherein the driving shaft 019 is connected with the driving shaft 013, and the driving shaft 019 is arranged on the mounting seats 016 arranged on two sides of the foreign matter collecting tank 017. Specifically, the impurity collecting tank 017 may be installed with short supporting plates 018, the mounting seats 016 may be fixedly installed on the short supporting plates 018, and the driving shaft 019 may be installed on the two mounting seats 016 through rotational bearings. The mechanism is equivalent to that the driving shaft 019 provided with the iron brush is erected at the top of the impurity collecting tank 017, and meanwhile, the bristles of the iron brush are in contact with the second grid 05, and the distance between the bristles and the second grid can be set according to the scraping effect. The driving motor 013 can be connected with the driving rotating shaft 019 through the second speed reducer 014, and the reduction ratio of the second speed reducer 014 can be selected and adjusted according to the scraping effect.

As shown in fig. 8, a foreign substance discharge pipe 012 is provided at the bottom of the foreign substance collection bath 017.

The working principle of the automatic impurity removal combined device for the slurry is as follows: during the use, start actuating mechanism 01 and driving motor 013, then open sludge conveying pipe 06, sludge conveying pipe 06 passes through the pipeline and is connected with first mud pit 9, and the mud in first mud pit 9 falls into buffer memory groove 07 at first (can also can pass through a mud pump conveying through the automatic falling of valve control), through buffer memory groove 07's primary treatment, filters massive stone and impurity, and falling speed obtains better control simultaneously. The mud that buffer tank 07 flows falls into on grid two 05, falls into mud buffer tank 011 through the filtration of grid two 05, and at this moment, mud has filtered twice, and is comparatively fine and smooth, can avoid great impurity to finally enter into in the membrane pressure filter 1 through second mud groove 10 and third mud groove 11. The driving mechanism 01 drives the large chain wheel 03 to rotate, the straight plate roller chain 04 is driven to operate, the second grid 05 is driven to operate downwards along the inclined plane, impurities on the second grid 05 are conveyed to the impurity collecting tank 017, at the moment, a part of impurities directly fall into the impurity collecting tank 017, the driving motor 013 drives the driving shaft 019 to rotate at a low speed through the speed reducer 014, the iron brush arranged on the driving motor is driven to rotate, the residual impurities attached to the second grid 05 are brushed into the impurity collecting tank 017, and the impurities in the impurity collecting tank 017 are discharged through the impurity discharging pipe 012.

The above system device developed by adopting the most economical and mature market equipment and satisfying the road transportation limitation condition is only the preferred embodiment of the present invention, if the economy is not considered, the combination of the demountable tanker with self-supporting function and other similar functions should be considered as the recording range of the present specification, and should not be limited by the present invention, any modification, equivalent replacement, improvement, etc. should be included in the spirit and principle of the present invention.

Claims (10)

1. A sludge dewatering and curing system is characterized by comprising a medicament prying unit, a dosing and pulping prying unit and a filter press prying unit;

the medicament prying unit comprises a medicament bin capable of quantitatively discharging;

the chemical feeding and pulping prying unit comprises a first mud groove (9), a second mud groove (10) and a third mud groove (11), the first mud groove (9) is simultaneously connected with a mud collecting and storing pool, the second mud groove (10) and the third mud groove (11), a first grid (29) is arranged in the first mud groove (9), stirring devices are arranged in the second mud groove (10) and the third mud groove (11), and a chemical bin is simultaneously connected with the second mud groove (10) and the third mud groove (11);

the pressure filter prying unit comprises a membrane pressure filter (1) and a belt conveyor (6), a feed inlet of the membrane pressure filter (1) is connected with a second mud groove (10) and a third mud groove (11), and the belt conveyor (6) is connected with a discharge outlet of the membrane pressure filter (1).

2. The sludge dewatering and solidifying system as claimed in claim 1, wherein the chemical bin comprises a first chemical bin and a second chemical bin which are arranged in parallel, the discharge ports of the first chemical bin and the second chemical bin are provided with dischargers, a dust removing device is arranged above the first chemical bin and the second chemical bin, and the first chemical bin and the second chemical bin are connected with the second mud pit (10) and the third mud pit (11) through a metering and conveying device and a distributing and conveying device (26) for conveying materials.

3. The sludge dewatering and curing system as claimed in claim 1, wherein the chemical feeding and slurrying pry unit further comprises an air compressor (7), an air tank (8), a first sludge conveying pump (17), a second sludge conveying pump (18) and a motor cabinet (16), the air compressor (7) is communicated with the air tank (8) and communicated with the membrane filter press (1) through a gas pressing pipeline (28), the second sludge conveying pump (18) is connected with the sludge storage tank, the second sludge tank (10) and the third sludge tank (11), and the first sludge conveying pump (17) is connected with the second sludge tank (10), the third sludge tank (11) and the membrane filter press (1); the air compressor (7), the air tank (8) and the first mud delivery pump (17) are respectively positioned at the left end and the right end of the other flat-bed semi-trailer (2), and the first mud tank (9), the second mud tank (10) and the third mud tank (11) are sequentially and closely arranged at the central position of the flat-bed semi-trailer (2); the second mud conveying pump (18) is arranged close to the first mud groove (9), and the power inlet cabinet and the electric cabinet (16) are positioned on the flat-bed semi-trailer (2) and close to the first mud conveying pump (17).

4. The sludge dewatering and solidifying system as defined in claim 1, wherein the pressure filter prying unit further comprises a sludge guide cone (5), the sludge guide cone (5) is located below the membrane pressure filter (1), the belt conveyor (6) is located below the sludge guide cone (5), and the membrane pressure filter (1), the sludge guide cone (5) and the belt conveyor (6) are all fixed on another flat-bed semi-trailer.

5. The sludge dewatering and curing system as claimed in claim 1, wherein the press filter prying unit and/or the dosing and slurrying prying unit and/or the press filter prying unit further comprises a spliced platform, a guardrail (4), a canopy (3) and a ladder.

6. The sludge dewatering and solidification system as claimed in claim 1, wherein an automatic sludge impurity removal combination device is further arranged between the membrane filter (1) and the second sludge tank (10) and the third sludge tank (11).

7. The sludge dewatering and solidifying system according to claim 6, wherein the automatic sludge impurity removing combination device comprises a second grating (05), an impurity filtering part, a sludge conveying part and an impurity collecting part; the impurity filtering part comprises a slurry buffer tank (011), wherein large chain wheels (03) are respectively arranged in the front and the back of the slurry buffer tank (011), a height drop is formed between the two large chain wheels (03), the two large chain wheels (03) are connected through a straight plate roller chain (04), a second grid (05) is arranged on the straight plate roller chain (04) to form an inclined plane, and the impurity filtering part also comprises a driving mechanism (01) for driving the large chain wheels (03); the mud conveying part comprises a mud conveying pipe (06), and an output port of the mud conveying pipe (06) is arranged at the top of the impurity filtering part; the impurity collecting part is arranged below the large chain wheel (03) with lower height and comprises an impurity collecting tank (017) and an impurity scraping mechanism (015) for scraping residual impurities on the second grating (05).

8. The sludge dewatering and solidification system as claimed in claim 7, wherein the sludge conveying portion further comprises a buffer tank (07) arranged below the outlet of the sludge conveying pipe (06), and the buffer tank (07) is fixedly installed inside the top end of the support side plate (08).

9. The sludge dewatering and solidification system as claimed in claim 8, wherein adjusting plates (010) are mounted on two sides of the bottom end of the buffer tank (07), and the adjusting plates (010) are slidably connected with the bottom end of the buffer tank (07).

10. The sludge dewatering and solidification system as claimed in claim 9, wherein the outer surface of the bottom end of the buffer tank (07) is provided with a strip-shaped sliding groove (09), and the adjusting plate (010) is in sliding fit with the bottom end of the buffer tank (07) through the strip-shaped sliding groove (09).

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