CN209736325U - Polluted soil treatment equipment - Google Patents
Polluted soil treatment equipment Download PDFInfo
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- CN209736325U CN209736325U CN201920223571.XU CN201920223571U CN209736325U CN 209736325 U CN209736325 U CN 209736325U CN 201920223571 U CN201920223571 U CN 201920223571U CN 209736325 U CN209736325 U CN 209736325U
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Abstract
The application relates to the technical field of polluted soil treatment, in particular to polluted soil treatment equipment, which adopts a closed material mixing unit, and materials are not exposed in the material mixing process; the dust removal unit can timely take away the redundant gas and the flying dust in the closed material mixing unit, and the material is output without flying dust; the arrangement of the frame enables the whole polluted soil treatment equipment to be assembled into a whole, the whole structure is compact, the occupied area is small, and the occupied space is small; the powder input unit and the water agent input unit are independently arranged and controlled by the electric control system, so that the repair agents in different forms such as powder, water agent and the like can be independently or simultaneously added, the water agent input unit can also be used for adding water, adjusting the water content of a stirring mixture and adapting to the treatment of polluted soil in various working conditions.
Description
Technical Field
The application relates to a pollute soil and administer technical field, especially relate to a pollute soil treatment equipment.
Background
With the development of industry, the problem of domestic soil pollution is increasingly severe, and the problem of soil pollution cannot be radically treated; in recent years, with the implementation of laws and regulations related to soil pollution, the governance and control of soil pollution in China will become more strict.
at present, when the land with the heavy metal exceeding the standard is treated, the mixed soil repairing agent is mainly adopted to carry out stable solidification treatment on the heavy metal pollutants, so that the soil is repaired. The repairing agent mainly adopts powder or liquid agent or the mixture of the powder and the liquid agent and is mixed into the polluted soil, the repairing agent reacts with the heavy metal ions in the soil to form compounds which are not easy to dissolve in water, acid and alkali, and the heavy metal ions are prevented from polluting the water or the soil. When the remediation agent is applied to treat heavy metal soil pollution in the past, the forms of open air drying, crushing and screening, open air stirring, backfilling and maintenance are adopted, and the remediation agent has the defects of large occupied area, uncontrollable dust emission, serious secondary pollution and the like; governments in various places have become aware of the harmfulness of this remediation method; under the high standard requirement of environmental improvement, new equipment is needed to meet the requirement of soil remediation and treatment.
Disclosure of Invention
In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a contaminated soil remediation apparatus.
The application provides a pollute native treatment facility, including electrical system, closed compounding unit and with closed compounding unit intercommunication: the device comprises a powder input unit, an aqueous agent input unit, a raw material input unit, a material output unit and a dust removal unit, wherein the powder input unit, the aqueous agent input unit and the raw material input unit are all communicated with a first end of the closed material mixing unit, and the material output unit and the dust removal unit are all communicated with a second end of the closed material mixing unit; the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the material output unit are all connected with the electric control system; the automatic powder mixing device is characterized by further comprising a frame, wherein the electric control system, the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the dust removal unit are all arranged on the frame.
In some embodiments, the powder input unit is mounted on a material monitoring assembly for monitoring powder usage, the material monitoring assembly being connected to the frame; the raw material input unit is provided with an online moisture meter and a raw material quantity control assembly, the second end of the closed material mixing unit is provided with a target value monitoring assembly for detecting the soil performance, and the material monitoring assembly, the online moisture meter, the raw material quantity control assembly and the target value monitoring assembly are all connected with the electric control system.
In some embodiments, the material monitoring assembly is flexibly connected to the frame.
In some embodiments, the powder input unit comprises a stepped feeding bin, a plurality of bins of the stepped feeding bin are sequentially communicated, and each communicated bin is provided with an electric control valve which is connected with the electric control system; a constant-air-pressure dust removal air duct is connected between the adjacent bins of the stepped feeding bin; the material monitoring assembly is arranged on a first material bin of the stepped material supply bin; the powder input unit further includes: the variable-frequency feeding machine is arranged in the last bin of the stepped feeding bin, and the air feeding pipe is connected between the last bin of the stepped feeding bin and the closed type mixing unit, and the variable-frequency feeding machine is connected with the electric control system; and a connector is arranged in the last bin of the stepped feeding bin and below the variable-frequency feeding machine, and is connected with an air compressor pipeline.
In some embodiments, the water agent input unit is a spraying assembly disposed in the closed mixing unit, and the spraying assembly is connected with the electric control system to control a spraying amount or switch a spraying medium.
In some embodiments, the raw material input unit comprises a hopper, a bite crusher connected between the hopper and the closed compounding unit, the online moisture meter is disposed on the hopper, and the raw material quantity control assembly is disposed between the hopper and the bite crusher or between the bite crusher and the closed compounding unit.
In some embodiments, the dust removal unit comprises a dust removal fan, a dust removal air pipe and a dust removal box which are connected in sequence, and the dust removal fan is connected with the closed type mixing unit.
In some embodiments, the closed mixing unit includes a stirring bin and a stirring shaft disposed in the stirring bin, and the stirring shaft is provided with stirring blades.
In some embodiments, a feeding spout is disposed on a side wall of the stirring bin, and the powder input unit is communicated with the closed mixing unit through the feeding spout.
In some embodiments, the stirring bin is provided with a window, and the window is detachable to form an access window.
In some embodiments, the closed type mixing unit is arranged obliquely, and the second end of the closed type mixing unit is higher than the first end of the closed type mixing unit; the inclination angle of the closed type material mixing unit is adjustable.
compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
A closed material mixing unit is adopted, so that materials are not exposed in the material mixing process; the dust removal unit can timely take away the redundant gas and the flying dust in the closed material mixing unit, and the material is output without flying dust; the arrangement of the frame enables the whole polluted soil treatment equipment to be assembled into a whole, the whole structure is compact, the occupied area is small, and the occupied space is small; the powder input unit and the water agent input unit are independently arranged and controlled by the electric control system, so that the repair agents in different forms such as powder, water agent and the like can be independently or simultaneously added, the water agent input unit can also be used for adding water, adjusting the water content of a stirring mixture and adapting to the treatment of polluted soil in various working conditions.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
in order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a side view of a contaminated soil remediation apparatus according to an embodiment of the present application;
FIG. 2 is a top view of the contaminated soil remediation apparatus according to an embodiment of the present application.
wherein, 1, a stock bin; 2. an electrically controlled valve; 3. a material monitoring assembly; 4. a variable frequency feeder; 5. an air feeding pipe; 6. an online moisture meter; 7. a raw material quantity control component; 8. an occlusion crusher; 9. a spray assembly; 10. a coarse mixing section; 11. a feeding spout; 12. a fine mixing section; 13. a dust removal fan; 14. a dust removal air pipe; 15. a dust removal box; 16. an electronic control system; 17. a constant air pressure dust removal air duct; 18. a window; 19. a target value monitoring component; 20. a frame.
Detailed Description
In order that the above-mentioned objects, features and advantages of the present application may be more clearly understood, the solution of the present application will be further described below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein; it is to be understood that the embodiments described in this specification are only some embodiments of the present application and not all embodiments.
As shown in fig. 1 and 2, the present application provides a polluted soil treatment device, which comprises an electric control system 16, a closed type mixing unit, and a device communicated with the closed type mixing unit: the device comprises a powder input unit, an aqueous agent input unit, a raw material input unit, a material output unit and a dust removal unit, wherein the powder input unit, the aqueous agent input unit and the raw material input unit are all communicated with a first end of the closed material mixing unit, and the material output unit and the dust removal unit are all communicated with a second end of the closed material mixing unit; the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the material output unit are all connected with the electric control system 16; the automatic material mixing device is characterized by further comprising a frame 20, wherein the electric control system 16, the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the dust removal unit are all arranged on the frame 20.
Specifically, the powder input unit and the water agent input unit are used for adding soil remediation agents in different physical states into the closed mixing unit, and the water agent input unit can also be used for adding water; the soil to be treated is fed through the raw material input unit, stirred and mixed and then is discharged through the material output unit; the dust removal unit can remove dust in the closed mixing unit in time. The mixing unit is closed, and no dust is raised in the mixing process; the water agent and the powder are independently conveyed, one or two of the water agent and the powder can be selected and used in combination according to needs, and meanwhile, the water agent input unit can also be used for adding water to adjust the water content of the soil in the closed mixing unit; the material output unit and the dust removal unit are arranged at the second end of the closed material mixing unit, the dust removal unit can remove dust, the pressure release function can be realized, the pressure in the closed material mixing unit is reduced, the raised dust in the material output process is effectively prevented, and the secondary pollution is avoided.
As shown in fig. 1 and fig. 2, all components capable of being installed in a centralized manner are fixed on the frame 20, so that the structure among the components is compact, the occupied area of equipment is small, the occupied space is small, the assembly positions of the components are fixed, and the installation is convenient; the polluted soil treatment equipment can be integrally transported, and the device is suitable for short-distance transportation, such as adjustment or replacement of placement positions.
In some embodiments, the powder input unit is mounted on a material monitoring assembly 3 for monitoring powder usage, the material monitoring assembly 3 being connected to the frame 20; the raw material input unit is provided with an online moisture meter 6 and a raw material quantity control assembly 7, the second end of the closed material mixing unit is provided with a target value monitoring assembly 19 for detecting the soil performance, and the material monitoring assembly 3, the online moisture meter 6, the raw material quantity control assembly 7 and the target value monitoring assembly 19 are all connected with the electric control system 16.
Specifically, the electronic control system 16 calculates according to data fed back by the online moisture meter 6 and the raw material quantity control assembly 7, adjusts the powder mixing amount of the powder input unit in real time, the raw material is fed by the raw material input unit, and the raw material input quantity is controlled by the raw material quantity control assembly 7 according to the set parameters of the electronic control system 16 after the moisture content is collected by the online moisture meter 6. If the water content of the mixture needs to be adjusted or the liquid agent needs to be mixed, the electronic control system 16 controls the spraying assembly 9 to adjust the spraying amount in real time according to a set value and feedback data of the online moisture meter 6 and the raw material amount control assembly 7 so as to change the target water content or the liquid agent mixing amount. The electric control system 16 reads the monitoring data of the target value monitoring component 19, and controls the raw material quantity control component 7 to adjust the raw material input quantity in real time according to the feedback of the target value and the set value, so as to ensure that each index of the mixture to be processed meets the design requirement.
material monitoring subassembly 3 can be the electronic scale etc. for example install whole cascaded feed storehouse on material monitoring subassembly 3, weigh when adding the powder at every turn, confirm to add the powder addition in the cascaded feed storehouse.
In some embodiments, the material monitoring assembly 3 is flexibly connected to the frame 20. The flexible connection can reduce the influence of external vibration such as the frame 20 on the material monitoring value.
In some embodiments, the powder input unit comprises a stepped feeding bin, a plurality of bins 1 of the stepped feeding bin are sequentially communicated, and each communicated place is provided with an electrically controlled valve 2, and each electrically controlled valve 2 is connected with the electronic control system 16; a constant-air-pressure dust removal air duct 17 is connected between the adjacent bins 1 of the stepped feeding bin; the material monitoring component 3 is arranged on a first material bin 1 of the stepped material supply bin;
The powder input unit further includes: the variable-frequency feeding machine 4 is arranged in the last bin 1 of the stepped feeding bin, and the air feeding pipe 5 is connected between the last bin 1 of the stepped feeding bin and the closed type mixing unit, and the variable-frequency feeding machine 4 is connected with the electric control system 16; and a connector is arranged in the last bin 1 of the stepped feeding bin and below the variable-frequency feeding machine 4, and is connected with an air compressor pipeline.
Specifically, as shown in fig. 1, the stepped feeding bin is sequentially arranged from top to bottom by a plurality of bins 1, and according to the flowing direction of the powder, the uppermost bin 1 is the first bin 1, and the lowermost bin 1 is the last bin; an electric control valve 2 is arranged at the powder circulation position between the bins 1 to control the powder circulation quantity at each position at any time; the constant-air-pressure dust removal air duct 17 can keep the pressure balance between the adjacent storage bins 1, ensure that the powder can smoothly fall into the next storage bin 1, and avoid flying due to the overlarge pressure difference of the powder in the storage bin 1. The variable-frequency feeder 4 is arranged in the last bin 1 and used for pushing the powder to an inlet of the air feeding pipe 5, a lower interface of the variable-frequency feeder 4 is connected with an air compressor, and the powder is fed into the closed material mixing unit by utilizing high-pressure and high-flow-rate airflow; the interface is located 4 belows of frequency conversion feeder, ensures that all powders can both be taken away, no dead angle in the feed bin 1. Because an air compressor is adopted for feeding, the pressure in the last bin 1 is obviously higher than the external air pressure, and the phenomenon of dust flying in the pressure relief process is avoided.
The stepped feeding bins are adopted, when the adjacent bins 1 discharge materials, the constant-air-pressure dust removal air channels 17 are firstly used for communication, after the pressure between the two adjacent bins is balanced, the corresponding electric control valve 2 is opened, and after the powder conveying between the two adjacent bins 1 is finished, the electric control valve 2 and the corresponding constant-air-pressure dust removal air channel 17 are closed; the next constant-air-pressure dust removal air duct 17 is connected to balance pressure, then the corresponding electric control valve 2 is opened to discharge materials, and according to the mode, the materials are discharged step by step among the material bins 1, the pressure is balanced firstly, then the materials are discharged, and no dust flies in the discharging process; the constant-air-pressure dust removal air ducts 17 are communicated one by one, the pressure in the storage bin 1 is reduced step by step, and the pressure is released step by step, so that the pressure in the topmost storage bin 1 is kept equal to the external pressure, and the phenomenon of flying dust is avoided. The feed bins 1 of the stepped feed bin are distributed up and down, and the floor area is small.
4 operating frequency of frequency conversion feeder is variable, can adjust according to actual need, generally adopts screw propeller, and the structure of cross-section for the V type is made to 1 bottom of feed bin, and screw propeller sets up in 1 bottom of feed bin, with powder to a direction propelling movement, avoids the powder to gather and forms the dead angle in 1 interior formation of feed bin.
In some embodiments, the water agent input unit is a spraying assembly 9 disposed in the closed mixing unit, and the spraying assembly 9 is connected to the electronic control system 16 to control a spraying amount or switch a spraying medium.
specifically, when a liquid repairing agent needs to be added, the spraying assembly 9 is controlled by the electric control system 16 to spray the liquid repairing agent to the materials in the closed mixing unit; of course, if needed, water can be sprayed to the materials to improve the water content of the materials; the switching of the spraying medium and the control of the spraying amount of the spraying assembly 9 are completed by the electric control system 16, the powder and the water agent can be added independently or simultaneously, and the spraying assembly 9 can also be used for adding water, so that the soil pollution treatment under different conditions can be adapted.
In some embodiments, the raw material input unit comprises a hopper, a bite crusher 8 connected between the hopper and the closed compounding unit, the online moisture meter 6 is disposed on the hopper, and the raw material quantity control assembly 7 is disposed between the hopper and the bite crusher 8 or between the bite crusher 8 and the closed compounding unit.
Particularly, the hopper can hold more raw materials to realize continuous feeding; the online moisture meter 6 detects the water content of the raw material in the hopper so that the electronic control system 16 can adjust the water content in time; the occlusion crusher 8 can crush the raw materials, so that the raw materials can be uniformly stirred in the closed type mixing unit; the raw material quantity control assembly 7 is used for detecting the quantity of raw materials fed into the closed mixing unit, and therefore the raw material quantity control assembly can be arranged at any position between the hopper and the closed mixing unit, for example, the raw material quantity control assembly is arranged at the upstream or the downstream of the occlusion crusher 8, so long as accurate metering can be realized, and the addition quantity of the repairing agent can be conveniently controlled.
In some embodiments, the dust removing unit comprises a dust removing fan 13, a dust removing air pipe 14 and a dust removing box 15 which are connected in sequence, and the dust removing fan 13 is connected with the closed type mixing unit.
Particularly, the dust removal fan 13 is in time taken out the gas in the closed compounding unit, takes out gas and gets into dust removal case 15 through dust removal tuber pipe 14, retrieves the dust in the gas, can effectively avoid the raise dust phenomenon.
In some embodiments, the closed mixing unit includes a stirring bin and a stirring shaft disposed in the stirring bin, and the stirring shaft is provided with stirring blades.
Specifically, a stirring shaft is arranged in a closed stirring bin and drives stirring blades to rotate, so that the raw materials and the repairing agent in the stirring bin are stirred and mixed; the inclination angle, the arrangement direction, the blade structure, the blade density and the like of the stirring blades are changed, so that different stirring effects can be brought; the stirring bin can be divided into a rough mixing section 10 and a fine mixing section 12 according to the above, and the rough mixing section 10 is close to the first end of the closed type mixing unit, so that the primary mixing of raw materials, powder, liquid agent, water and the like is realized; the part close to the second end of the closed type mixing unit is set to be a fine mixing section 12, so that the stirring and mixing capacity is enhanced, and raw materials, a repairing agent and the like are fully mixed. The rough mixing section 10 continuously adds materials and forms certain resistance to the rotation of the stirring shaft, so that preliminary mixing is realized by adopting stirring blades with smaller stirring resistance; the fine mixing section 12 has no addition of external materials, the stirring environment is stable, the stirring shaft is not influenced by the outside, and the stirring resistance of the stirring blades can be properly enhanced, so that the stirring blades with stronger stirring capacity are adopted to realize the precise mixing. The arrangement can keep the stress at each part of the stirring shaft relatively uniform and protect the stirring shaft and the bearing.
In some embodiments, a feeding spout 11 is disposed on a side wall of the stirring bin, and the powder input unit is communicated with the closed mixing unit through the feeding spout 11.
Specifically, the powder feeding nozzle 11 is arranged on the side wall of the stirring bin, not the end opposite to the stirring shaft; for example, the feeding nozzle 11 is arranged at the upper half part of the stirring bin, so that the feeding nozzle 11 cannot be blocked by raw materials, and the powder is sprayed to reach the diffusion area and is distributed more uniformly; the high-pressure airflow can be quickly discharged, and the phenomena of vibration and the like caused by the blocked airflow can be avoided.
In some embodiments, the stirring chamber is provided with a window 18, and the window 18 can be detached to form an access window.
Specifically, as shown in fig. 2, the window 18 is disposed at the top of the stirring bin, and the stirring condition inside the stirring bin can be observed through the window 18 during use, for example, the working state of the spraying assembly 9 and the appearance state of the raw material are checked; the window 18 is typically made of a high strength plexiglass plate to withstand high pressure differentials and air flow impingement. The window 18 is detachable, namely when in need of maintenance, the window 18 is detached and can be used as an inspection window; because the pressure difference between the inside and the outside of the window 18 is increased, the joint of the window 18 and the stirring bin needs to be sealed.
In some embodiments, the closed type mixing unit is arranged obliquely, and the second end of the closed type mixing unit is higher than the first end of the closed type mixing unit; the inclination angle of the closed type material mixing unit is adjustable.
Specifically, as shown in fig. 1, the closed type material mixing unit is hinged to the frame 20 at a position close to the first end, and is hinged to one end of a telescopic rod at a position close to the second end, and the other end of the rod is connected with the frame 20, so that the inclination angle of the whole closed type material mixing unit can be adjusted by adjusting the length of the rod; the inclination angle is larger, the more material mixing is facilitated, but the larger the resistance of the stirring shaft and the stirring blade is, the proper inclination angle can be selected according to the properties of the raw materials, and the optimal mixing and stirring effect can be obtained.
The working process of the polluted soil treatment equipment is integrally introduced as follows:
The stepped feeding bin is formed by connecting and fixing electric control valves 2 on a material monitoring component 3 at intervals, preferably by an upper bin 1, a middle bin 1 and a lower bin 1, air pressure unloading and dust removal are carried out through a constant air pressure dust removal air duct 17 before alternative material discharging, material discharging is carried out in a state that the air pressure of two adjacent bins 1 is stable, impact caused by different air pressures between the bins 1 is prevented, and dust raising is effectively controlled; the material monitoring component 3 is flexibly connected with the frame 20 to reduce the influence of external vibration on a material monitoring value; the variable-frequency feeding machine 4 is arranged in the feed bin 1 at the lowest part of the stepped feeding bin, an electric control system 16 calculates according to feedback data of the online moisture meter 6 and the raw material quantity control assembly 7, and the frequency of the variable-frequency feeding machine 4 is adjusted in real time to achieve the set mixing quantity of the powder; the air compressor conveys high-pressure and high-speed airflow into the bottommost bin 1, powder is conveyed into the rough mixing section 10 through the air feeding pipe 5, and the powder is sprayed out from the feeding nozzle 11 to be primarily mixed with raw materials; the raw materials are subjected to moisture content collection by an online moisture meter 6 through a funnel, the input amount of the raw materials is controlled by a raw material quantity control assembly 7 according to set parameters of an electric control system 16, and the raw materials are refined by an occlusion crusher 8 and then enter a rough mixing section 10; if the water content of the mixture needs to be adjusted or the liquid agent needs to be mixed, the electric control system 16 calculates according to a set value and data fed back by the online moisture meter 6 and the raw material quantity control assembly 7, and controls the real-time injection quantity of the spray assembly 9 to adjust the target water content or the liquid agent mixing quantity; after the materials are coarsely mixed, the materials are pushed into a fine mixing section 12 to be finely mixed at a high speed and then discharged; the electric control system 16 reads the data of the target value monitoring component 19 in real time, controls the raw material quantity control component 7 to adjust the raw material input quantity according to the feedback of the target value and the set value, and ensures that each index of the mixture after treatment meets the design requirement; after the external air compressor airflow brings the powder into the coarse mixing section 10, the redundant gas and a small amount of dust in the stirring bin are discharged through a dust removal fan 13, and an air outlet of the dust removal fan 13 is connected with a dust removal box 15 through a dust removal air pipe 14, so that no raise dust is generated while the material is discharged; the frame 20 provides a fixed mounting foundation for each part and system, and ensures the stability of the whole set of equipment; the window 18 can be in the operation in-process real-time observation stirring storehouse internal working condition, and the window 18 can be dismantled simultaneously, can regard as the access window to use.
Generally, powder conveying, raw material adding, water agent adding, mixing and stirring and other operations are carried out in a closed environment; although the powder is brought into the stirring bin through high-pressure and high-speed airflow, the dust in the stirring bin can be removed in time through the arrangement of the dust removal unit, and the raw material mixed with the repairing agent is not blown up after being output; the stepped feeding bin can realize gradual pressure relief, and the phenomenon of dust flying caused by excessive pressure relief due to pressure difference can be avoided; the dust emission is controllable, and secondary pollution is avoided; the frame 20 and the stepped feeding bin are arranged, so that the whole polluted soil treatment equipment is compact in structure, small in occupied area, convenient to assemble and capable of being moved integrally within a small distance.
An example is provided below to verify the effect of the present device: the site of a arsenic factory and the tailings are polluted by arsenic-containing hazardous wastes, the site pollution is characterized by composite pollution, main target pollutants are arsenic, cadmium, mercury and antimony, and the specific conditions of the target pollutants are shown in Table 1:
TABLE 1
according to site environment survey and risk assessment of the project, the repairing target of the land parcel is as follows:
1. The target repairing values of the land target pollutants are arsenic 70.0mg/kg, cadmium 7.0mg/kg, mercury 5.0mg/kg and antimony 70.0 mg/kg;
2. After the polluted soil is solidified/stabilized, the leaching concentration of a target pollutant by a sulfuric acid-nitric acid method is strictly in accordance with ten-fold standard required by the limit value of the standard of hazardous waste identification standard leaching toxicity identification (GB 5085.3-2007); the leaching concentration of the horizontal oscillation method needs to meet the requirement of III-class water standard limit value of surface water environmental quality standard (GB3838-2002), so that the target pollutant remediation target value is determined as shown in Table 2:
TABLE 2
After the treatment by the polluted soil treatment equipment, all target values of the soil meet the requirements of the parameters listed in the table 2.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. The utility model provides a polluted soil treatment equipment which characterized in that, including electrical system, closed compounding unit and with closed compounding unit intercommunication: the device comprises a powder input unit, an aqueous agent input unit, a raw material input unit, a material output unit and a dust removal unit, wherein the powder input unit, the aqueous agent input unit and the raw material input unit are all communicated with a first end of the closed material mixing unit, and the material output unit and the dust removal unit are all communicated with a second end of the closed material mixing unit; the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the material output unit are all connected with the electric control system;
The automatic powder mixing device is characterized by further comprising a frame, wherein the electric control system, the closed type material mixing unit, the powder input unit, the water agent input unit, the raw material input unit and the dust removal unit are all arranged on the frame.
2. the contaminated soil remediation device of claim 1, wherein said dust input unit is mounted on a material monitoring assembly for monitoring dust usage, said material monitoring assembly being connected to said frame; the raw material input unit is provided with an online moisture meter and a raw material quantity control assembly, the second end of the closed material mixing unit is provided with a target value monitoring assembly for detecting the soil performance, and the material monitoring assembly, the online moisture meter, the raw material quantity control assembly and the target value monitoring assembly are all connected with the electric control system.
3. The contaminated soil remediation apparatus of claim 2, wherein said material monitoring assembly is flexibly connected to said frame.
4. The contaminated soil remediation apparatus of claim 2, wherein the powder input unit comprises a stepped feed bin, wherein a plurality of bins of the stepped feed bin are sequentially communicated, and electrically controlled valves are arranged at the communicated positions and are connected with the electrical control system; a constant-air-pressure dust removal air duct is connected between the adjacent bins of the stepped feeding bin; the material monitoring assembly is arranged on a first material bin of the stepped material supply bin;
The powder input unit further includes: the variable-frequency feeding machine is arranged in the last bin of the stepped feeding bin, and the air feeding pipe is connected between the last bin of the stepped feeding bin and the closed type mixing unit, and the variable-frequency feeding machine is connected with the electric control system; and a connector is arranged in the last bin of the stepped feeding bin and below the variable-frequency feeding machine, and is connected with an air compressor pipeline.
5. The polluted soil treatment equipment according to claim 2, wherein the water aqua input unit is a spraying assembly arranged in the closed mixing unit, and the spraying assembly is connected with the electric control system to control the spraying amount or switch the spraying medium.
6. the contaminated soil remediation apparatus of claim 2, wherein said raw material input unit comprises a hopper, a bite crusher connected between said hopper and said closed blending unit, said online moisture meter being disposed on said hopper, said raw material quantity control assembly being disposed between said hopper and said bite crusher or between said bite crusher and said closed blending unit.
7. The polluted soil treatment equipment according to claim 2, wherein the dust removal unit comprises a dust removal fan, a dust removal air pipe and a dust removal box which are connected in sequence, and the dust removal fan is connected with the closed type mixing unit.
8. The polluted soil treatment equipment according to any one of claims 1 to 7, wherein the closed mixing unit comprises a stirring bin and a stirring shaft arranged in the stirring bin, and stirring blades are arranged on the stirring shaft.
9. The polluted soil treatment device according to claim 8, wherein a feeding spout is arranged on the side wall of the stirring bin, and the powder input unit is communicated with the closed type mixing unit through the feeding spout.
10. The contaminated soil remediation apparatus of claim 8 wherein said mixing bin is provided with a window, said window being removable to form an access window.
11. The polluted soil treatment equipment according to claim 1, wherein the closed type material mixing unit is arranged obliquely, and the second end of the closed type material mixing unit is higher than the first end of the closed type material mixing unit; the inclination angle of the closed type material mixing unit is adjustable.
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| CN201920223571.XU CN209736325U (en) | 2019-02-22 | 2019-02-22 | Polluted soil treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909278A (en) * | 2019-02-22 | 2019-06-21 | 北京中岩大地科技股份有限公司 | A kind of Polluted Soil abatement equipment |
-
2019
- 2019-02-22 CN CN201920223571.XU patent/CN209736325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909278A (en) * | 2019-02-22 | 2019-06-21 | 北京中岩大地科技股份有限公司 | A kind of Polluted Soil abatement equipment |
| CN109909278B (en) * | 2019-02-22 | 2024-03-26 | 北京中岩大地科技股份有限公司 | Contaminated soil treatment equipment |
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