CN114768376B - Shield construction device - Google Patents
Shield construction device Download PDFInfo
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- CN114768376B CN114768376B CN202210340053.2A CN202210340053A CN114768376B CN 114768376 B CN114768376 B CN 114768376B CN 202210340053 A CN202210340053 A CN 202210340053A CN 114768376 B CN114768376 B CN 114768376B
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- cylinder body
- rotating shaft
- inner cylinder
- slag
- outer cylinder
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- 239000002893 slag Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 238000007599 discharging Methods 0.000 claims description 32
- 238000009833 condensation Methods 0.000 claims description 21
- 230000005494 condensation Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 63
- 239000000203 mixture Substances 0.000 abstract description 30
- 239000007787 solid Substances 0.000 abstract description 23
- 238000000926 separation method Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 description 9
- 238000003756 stirring Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 238000007790 scraping Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 101150114468 TUB1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a shield construction device, which comprises: an outer cylinder body provided with a water outlet and a first slag outlet; the inner cylinder body is coaxially and rotatably arranged in the outer cylinder body, and is provided with a feed inlet, a second slag discharge port and a plurality of first water filtering holes; the first rotating shaft is coaxially arranged in the inner cylinder body, fixedly connected with an output shaft of the variable-frequency first motor, fixedly connected with the inner cylinder body and in sealed rotary connection with the outer cylinder body; the first spiral conveying mechanism is coaxially and fixedly arranged on the inner cylinder body; the movable mechanisms comprise a fixed rod fixedly arranged on the first helical blade and a plurality of movable wheels movably sleeved on the fixed rod. The invention has simple integral structure, can carry out multiple and multistage separation treatment on the solid-liquid mixture generated in the shield construction process, recycle water resources as much as possible, reduce the water content of the solid slag as much as possible, and facilitate the transportation operation and subsequent reutilization of the solid slag.
Description
Technical Field
The invention relates to the technical field of shield construction. More specifically, the present invention relates to a shield construction apparatus.
Background
The shield construction principle is that a cylindrical steel component is pushed forward along the axis of a tunnel to excavate soil, a large amount of dregs can be generated in the excavating process, the dregs are mixed with underground ponding or sewage generated by flushing trolleys and duct pieces in the construction process to form solid-liquid mixtures, the solid-liquid mixtures are directly discharged after simple sedimentation in the prior art, municipal environment is seriously influenced, and meanwhile, the waste of water resources is also caused.
Disclosure of Invention
It is an object of the present invention to solve at least the above problems and to provide at least the advantages to be described later.
The invention also aims to provide a shield construction device which can separate the solid-liquid mixture in the shield construction process, can recycle water resources and has higher economical practicability.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a shield construction apparatus including:
the outer cylinder body is of a hollow structure with an open top; the bottom of the outer cylinder body is provided with a water outlet, and the lower part of one side is provided with a first slag outlet;
the inner cylinder body is coaxially and rotatably arranged in the outer cylinder body, and a plurality of first water filtering holes are formed in the circumferential side wall and the bottom of the inner cylinder body; the outer wall of the inner cylinder body is not contacted with the inner wall of the outer cylinder body; the top of the inner cylinder body is provided with a feed port, the lower part of one side is provided with a second slag discharge port, an openable baffle is arranged in the second slag discharge port, and the second slag discharge port and the first slag discharge port can be communicated in the radial direction;
the first rotating shaft is coaxially arranged in the inner cylinder body, the upper end of the first rotating shaft is fixedly connected with the output shaft of the first motor, the lower end of the first rotating shaft vertically and downwards extends to sequentially penetrate through the bottom surfaces of the inner cylinder body and the outer cylinder body, and the first rotating shaft is fixedly connected with the inner cylinder body and is in sealed rotating connection with the bottom surface of the outer cylinder body; the first motor is a variable frequency motor;
the first spiral conveying mechanism is coaxially and fixedly arranged on the inner cylinder body, the first spiral conveying mechanism comprises a first spiral blade fixedly arranged on the first rotating shaft, and the feed inlet is positioned right above the top of the first spiral blade; a plurality of second water filtering holes are formed in the first spiral blade;
the plurality of movable mechanisms are arranged on the first helical blade at intervals along the vertical direction, and any movable mechanism comprises:
the fixed rod is horizontally and fixedly arranged on the first spiral blade;
the movable wheels are sleeved on the fixed rod in a sliding mode at intervals along the axial direction of the fixed rod, two movable wheels at the end portion are fixedly connected with the first spiral blade through first springs respectively, and any two adjacent movable wheels are connected through second springs.
Preferably, the shield construction device further includes:
the second spiral conveying mechanism comprises a shell which is horizontally arranged, a second rotating shaft which is coaxially arranged in the shell in a rotating way, and a second spiral blade which is fixedly arranged on the second rotating shaft; the top of the shell is provided with an opening; the inside of the second rotating shaft is hollow, and a plurality of exhaust holes are formed in the circumferential side wall of the second rotating shaft; the bottom of one end of the shell is provided with a slag discharging port;
one end of the first material guide pipe is communicated with the first slag discharging port, and the other end of the first material guide pipe is communicated with the top of the other end of the shell;
the second motor is fixedly arranged at one end of the shell, and an output shaft of the second motor is fixedly connected with the second rotating shaft;
the air heater is arranged at the other end of the shell, and an air outlet of the air heater is communicated with the inside of the second rotating shaft;
the condensing cover is of a conical structure and is covered right above the shell, and the bottom of the condensing cover is connected with an annular water storage groove;
the condensing pipes are arranged on the inner wall of the condensing cover at intervals, the upper end of any condensing pipe is fixedly connected with the inner wall of the condensing cover, and the lower end of any condensing pipe extends downwards in an inclined way towards the central axis far away from the condensing cover; the projections of any two condensing tubes adjacent to each other vertically in the horizontal direction are partially overlapped.
Preferably, the shield construction device further includes:
the filter barrel is coaxially arranged right below the outer barrel body, and the top of the filter barrel is communicated with the water outlet;
the filtering mechanism is horizontally inscribed in the filtering barrel, and is provided with a third slag discharging port which is penetrated up and down and symmetrically arranged at two sides of the first rotating shaft with the water discharging port;
one end of the second material guide pipe is communicated with the third slag discharging port, and the other end of the second material guide pipe extends downwards obliquely through the filter vat and is communicated with the top of the other end of the shell;
the scraper blade is arranged in the filter vat, one end of the scraper blade is fixedly connected with the lower end of the first rotating shaft, and the bottom of the scraper blade is contacted with the upper surface of the filter mechanism.
Preferably, in the shield construction device, the top parts of the outer cylinder and the inner cylinder are connected through an annular bearing.
Preferably, in the shield construction device, the first motor is fixedly connected with the outer wall of the outer cylinder body through a first frame body.
Preferably, in the shield construction device, the condensation cover is fixedly connected with the outer wall of the outer cylinder body through a second frame body.
Preferably, in the shield construction device, a drain pipe is arranged at the bottom of the water storage tank, and the drain pipe is arranged on the water valve.
Preferably, the shield construction device, the filtering mechanism comprises a filtering layer and a metal net coated outside the filtering layer, and the filtering layer comprises a porous ceramsite layer, a geotechnical cloth layer and an activated carbon layer from top to bottom.
The invention at least comprises the following beneficial effects:
1. according to the invention, the inner cylinder rotates relative to the outer cylinder to generate centrifugal force, so that liquid in a solid-liquid mixture is centrifugally thrown into the outer cylinder, solid-liquid separation is realized, a first spiral conveying mechanism is arranged in the inner cylinder, the moving track of the solid-liquid mixture in the inner cylinder is enlarged, the solid-liquid mixture moves downwards along a first spiral chute formed by first spiral blades of the inner cylinder, under the centrifugal force generated by rotation of the inner cylinder while moving, the liquid in the solid-liquid mixture is thrown outwards into an annular space formed by the outer cylinder and the inner cylinder through a first water filtering hole on the inner cylinder, the liquid in the solid-liquid mixture also can flow downwards through a second water filtering hole on the first spiral chute in the downward moving process of the first spiral chute, finally the liquid in the solid-liquid mixture can enter the annular space through a plurality of first water filtering holes on the circumferential side wall of the inner cylinder and a plurality of first water filtering holes on the bottom surface of the inner cylinder, the liquid is discharged through the bottom of the outer cylinder, after the solid in the solid-liquid mixture is intensively moved to the bottom of the first spiral chute, the slag discharging hole is stopped, the solid in the solid-liquid mixture is discharged through the first water filtering holes on the bottom of the inner cylinder, and the slag discharging hole is kept to be discharged through the first slag discharging hole and the first slag discharging hole on the inner cylinder, and the solid slag can be discharged through the first slag discharging hole and the first slag hole is opened along the first slag discharging hole;
2. according to the invention, the plurality of movable mechanisms are arranged on the first spiral blade, one movable mechanism comprises a plurality of movable wheels capable of moving along the axial direction of the fixed rod, the movable wheels are matched with a variable-frequency first motor, the movable wheels can horizontally move back and forth relative to the first spiral blade in the rotating centrifugal separation process of the inner cylinder body relative to the outer cylinder body, stirring force can be generated on a solid-liquid mixture sliding downwards along the first spiral groove, on one hand, the solid-liquid mixture can be dispersed, the separation efficiency of the solid-liquid mixture is improved, on the other hand, the solid-liquid mixture can be prevented from adhering to the first spiral blade, the second water filtering hole is blocked, the solid-liquid separation efficiency is influenced, and the solid-liquid separation efficiency can be greatly improved by arranging the plurality of movable mechanisms;
3. according to the invention, solid slag discharged from the inner cylinder body enters the shell from the first material guide pipe and is conveyed towards the other end of the shell under the conveying action of the second spiral conveying mechanism, in the conveying process, under the action of hot air blown by the hot air blower, moisture in the solid slag is evaporated, steam moves upwards, water drops are condensed on the condensation pipe on the inner wall of the condensation cover, and the condensation pipe which is obliquely downwards and sequentially overlapped forms a path for the water drops to downwards flow, so that the condensed water drops are collected in the water storage tank in a concentrated manner, residual moisture in the solid slag is recovered, and the moisture collected under the actions of evaporation and condensation is clean and can be recycled;
4. the invention can further remove slag and filter the separated liquid through the filtering mechanism, realize recycling of the liquid, simultaneously convey the filtered filter residues into the shell through the second material guiding pipe, and recycle the residual moisture in the filter residues.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a shield construction apparatus according to one embodiment of the present invention;
FIG. 2 is a schematic structural view of the inner cylinder according to another embodiment of the present invention;
FIG. 3 is a top view of the filter mechanism of the present invention in another embodiment;
fig. 4 is a vertical cross-section of the filter mechanism according to another embodiment of the invention.
Reference numerals illustrate: 1-an outer cylinder; 11-a water outlet; 12-a first slag discharge port; 121-a first material guide pipe; 2-an inner cylinder; 21-a feed inlet; 22-a second slag discharge port; 23-bearings; 3-a first rotating shaft; 31-a first motor; 32-a first frame; 4-first helical blades; 5-a movable mechanism; 51-a fixed rod; 52-a movable wheel; 53-a first spring; 54-a second spring; 61-a housing; 611-a slag discharge port; 62-a second spindle; 621-exhaust holes; 63-second helical blades; 64-a second motor; 65-an air heater; 66-a condensation shield; 661-a second frame; 67-condensing tube; 68-a water storage tank; 69-a drain pipe; 71-a filter vat; 72-a filtering mechanism; 721-metal mesh; 722-multiple hollow ceramsite layer; 723-geotextile layer; 724-an activated carbon layer; 73-scraping plate; 74-a third slag discharge port; 741-a second conduit.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The experimental methods described in the following embodiments are conventional methods unless otherwise indicated, and the reagents and materials are commercially available.
In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1 to 4, the present invention provides a shield construction apparatus including:
an outer cylinder 1 which is a hollow structure with an open top; the bottom of the outer cylinder body 1 is provided with a water outlet 11, and the lower part of one side is provided with a first slag outlet 12;
the inner cylinder body 2 is coaxially and rotatably arranged in the outer cylinder body 1, and a plurality of first water filtering holes are formed in the circumferential side wall and the bottom of the inner cylinder body 2; the outer wall of the inner cylinder body 2 is not contacted with the inner wall of the outer cylinder body 1; the top of the inner cylinder body 2 is provided with a feed inlet 21, the lower part of one side is provided with a second slag discharge port 22, an openable baffle is arranged in the second slag discharge port 22, and the second slag discharge port 22 and the first slag discharge port 12 can be communicated in the radial direction;
the first rotating shaft 3 is coaxially arranged in the inner cylinder body 2, the upper end of the first rotating shaft 3 is fixedly connected with the output shaft of the first motor 31, the lower end of the first rotating shaft vertically and downwards extends to sequentially penetrate through the bottom surfaces of the inner cylinder body 2 and the outer cylinder body 1, and the first rotating shaft 3 is fixedly connected with the inner cylinder body 2 and is in sealed rotating connection with the bottom surface of the outer cylinder body 1; the first motor 31 is a variable frequency motor;
the first spiral conveying mechanism is coaxially and fixedly arranged on the inner cylinder body 2 and comprises a first spiral blade 4 fixedly arranged on the first rotating shaft 3, and the feed inlet 21 is positioned right above the top of the first spiral blade 4; the blade edges of the first helical blades are arranged adjacent to the inner wall of the inner cylinder;
a plurality of movable mechanisms 5, it is along vertical direction interval locate on the first helical blade 4, arbitrary movable mechanism 5 includes:
a fixed rod 51 horizontally fixed to the first helical blade 4;
the movable wheels 52 are slidably sleeved on the fixed rod 51 at intervals along the axial direction of the fixed rod 51, the two movable wheels 52 positioned at the end parts are fixedly connected with the first helical blade 4 through first springs 53 respectively, and any two adjacent movable wheels 52 are connected through second springs 54. The first helical blade does not restrict movement of the movable wheel and the spring in the horizontal direction.
In the technical proposal, the solid-liquid mixture generated in the shield construction process enters the inner part of the inner cylinder body through the feed inlet at the top of the inner cylinder body, moves downwards along the first spiral groove of the first spiral blade in a spiral track, rotates relative to the outer cylinder body through the inner cylinder body to generate centrifugal force, centrifugally throws the liquid in the solid-liquid mixture into the outer cylinder body, realizes solid-liquid separation, arranges the first spiral conveying mechanism in the inner cylinder body, expands the moving track of the solid-liquid mixture in the inner cylinder body, moves downwards along the first spiral chute formed by the first spiral blade of the inner cylinder body, and throws the liquid in the solid-liquid mixture outwards into the annular space formed by the outer cylinder body and the inner cylinder body through the first water filtering holes on the inner cylinder body under the centrifugal force generated by the rotation of the inner cylinder body during the movement, in the process that the solid-liquid mixture moves downwards in the first spiral chute, liquid can also flow downwards through the second water filtering holes on the first spiral blades, finally, the liquid in the solid-liquid mixture can enter the annular space through the first water filtering holes on the circumferential side wall of the inner barrel and the first water filtering holes on the bottom surface of the inner barrel, then, the liquid is discharged through the water outlet at the bottom of the outer barrel, after the solid in the solid-liquid mixture intensively moves to the bottom of the first spiral chute, the inner barrel stops rotating, the second slag discharging hole on the inner barrel is kept in radial communication with the first slag discharging hole on the outer barrel, the baffle is opened, and the solid can be discharged through the first slag discharging hole and the second slag discharging hole.
Further, the first spiral blade is provided with the plurality of movable mechanisms, any movable mechanism comprises the plurality of movable wheels capable of moving along the axial direction of the fixed rod, the movable wheels can horizontally move back and forth relative to the first spiral blade in the rotating centrifugal separation process of the inner cylinder body relative to the outer cylinder body in cooperation with the variable-frequency first motor, stirring power can be generated on the solid-liquid mixture sliding downwards along the first spiral groove, on one hand, the solid-liquid mixture can be scattered, the separation efficiency of the solid-liquid mixture is improved, on the other hand, the solid-liquid mixture can be prevented from being adhered to the first spiral blade, the solid-liquid separation efficiency is influenced by blocking the second water filtering holes, and the solid-liquid separation efficiency can be greatly improved by arranging the plurality of movable mechanisms.
In practical application, the opening and closing of the baffle can be controlled by an electromagnetic valve, and the implementation mode can refer to the conventional technical means in the prior art; the first slag discharging port and the second slag discharging port are communicated through the slag discharging pipe which is obliquely arranged downwards, when the inner cylinder body stops rotating, and when the second slag discharging port is adjusted to be radially communicated with the first slag discharging port, the electromagnetic valve is controlled to open the baffle, solid slag at the bottom of the first spiral chute is automatically discharged to the outside of the outer cylinder body through the first slag discharging port and the second slag discharging port, and finally solid-liquid separation is realized, and liquid and solid are separated and separated.
Any movable mechanism is embedded on the surface of the first helical blade (the movable mechanisms can be arranged on the two surfaces), under the elastic action of the first spring and the second spring, the movable wheels can be pushed outwards under the action of centrifugal force in the rotation process of the inner cylinder, the rotation frequency of the output shaft of the first motor changes in the working process of the first motor, the centrifugal force born by the movable wheels also changes, the outwards pushing amplitude of the movable wheels changes, and therefore the movable wheels are driven to horizontally reciprocate relative to the first helical blade under the variable frequency operation of the first motor.
Be provided with the stirring rake between the bottom surface of outer barrel and the bottom surface of inner barrel, it sets firmly in first pivot, outer barrel does not restrict the rotation of stirring rake along with first pivot, through inner barrel relative outer barrel centrifugal motion, liquid in the solid-liquid mixture collects to the bottom of outer barrel, remain the earth in the liquid for the bottom of outer barrel gathers mud, sets up the stirring rake and can stir the mud of outer barrel bottom, promotes mud water mixture and discharges downwards through the outlet, avoids gathering a large amount of earth on the outer barrel bottom surface inner wall to block up the outlet.
In another technical scheme, the shield construction device further comprises:
the second spiral conveying mechanism comprises a shell 61 horizontally arranged, a second rotating shaft 62 coaxially and rotatably arranged in the shell, and a second spiral blade 63 fixedly arranged on the second rotating shaft; the top of the shell 61 is provided with an opening; the second rotating shaft 62 is hollow, and a plurality of exhaust holes 621 are formed in the circumferential side wall of the second rotating shaft 62; a slag discharging hole 611 is formed at the bottom of one end of the shell 61;
a first material guide pipe 121 having one end communicating with the first slag hole 12 and the other end communicating with the top of the other end of the housing 61;
the second motor 64 is fixedly arranged at one end of the shell 61, and an output shaft of the second motor 64 is fixedly connected with the second rotating shaft 62;
an air heater 65 provided at the other end of the housing 61, wherein an air outlet of the air heater 65 communicates with the inside of the second rotating shaft 62;
a condensation cover 66 having a conical structure covering right above the housing, wherein an annular water storage groove 68 is connected to the bottom of the condensation cover 66;
a plurality of condensation pipes 67 spaced on the inner wall of the condensation cover 66, wherein the upper end of any condensation pipe 67 is fixedly connected with the inner wall of the condensation cover 66, and the lower end extends downwards in an inclined way towards the central axis far away from the condensation cover 66; the horizontal projection portions of any two vertically adjacent condensation pipes 67 overlap.
According to the technical scheme, solid slag discharged from the inner cylinder body enters the shell from the first material guide pipe and is conveyed towards the other end of the shell under the conveying action of the second spiral conveying mechanism, in the conveying process, moisture in the solid slag is evaporated under the action of hot air blown by the hot air blower, steam moves upwards, condensate water drops are condensed on the condensation pipes on the inner wall of the condensation cover, and the obliquely downward and sequentially overlapped condensation pipes form a path for the downward flow of the water drops, so that the condensed water drops are collected in the water storage tank in a concentrated mode, residual moisture in the solid slag is recovered, and the moisture collected through the evaporation and condensation actions is clean and can be recycled.
The solid slag obtained after the centrifugal separation by the rotation of the inner barrel relative to the outer barrel enters the other end of the shell through the second slag discharge port, the second slag discharge port and the first material guide pipe, the second motor is started to drive the second rotating shaft to rotate, the solid slag is horizontally conveyed to one end of the shell along a second spiral groove formed by the second spiral blade, in the conveying process, the air heater is started to convey hot air into the second rotating shaft, the hot air can heat the solid slag through an exhaust hole in the second rotating shaft, liquid in the solid slag is evaporated after being heated, steam moves upwards and condenses with the condensing pipe to form water drops, and the water drops are collected in the water storage groove through a plurality of condensing pipes, so that the separation and recovery of residual moisture in the solid slag are realized; the solid slag after evaporation and water removal is moved to one end of the shell under the conveying action of the second spiral conveying mechanism, is discharged through a slag discharging port on the bottom of one end of the shell, has low water content, is convenient to collect and transport, and can be transported to a centralized discharge place through an engineering truck; the water in the water storage tank can be put into direct application on the construction site cleanly.
In another technical scheme, the shield construction device further comprises:
a filter tub 71 coaxially provided right under the outer tub 1, the top of the filter tub 71 communicating with the drain port 11;
the filtering mechanism 72 is horizontally inscribed in the filtering barrel 71, and a third slag discharging port 74 which is penetrated up and down is arranged on the filtering mechanism 72 and symmetrically arranged at two sides of the first rotating shaft with the water discharging port;
a second guide pipe 741 having one end communicating with the third slag hole 74 and the other end extending obliquely downward through the filtering tub 71 and communicating with the top of the other end of the housing 61;
and a scraper 73 provided in the filter tub 71, wherein one end of the scraper 73 is fixedly connected to the lower end of the first rotation shaft 3, and the bottom of the scraper 73 is in contact with the upper surface of the filter mechanism 72. The lower end of the first rotating shaft 3 penetrates out of the outer cylinder 1 and extends into the filter vat 71 to be fixedly connected with one end of the scraping plate 73.
According to the technical scheme, the separated liquid can be subjected to further deslagging and filtering through the filtering mechanism, recycling of the liquid is achieved, meanwhile, the filtered filter residues are conveyed into the shell through the second material guide pipe, and residual moisture in the filter residues is recycled.
According to the technical scheme, liquid (the liquid is waste liquid still mixed with soil) obtained after the inner barrel is subjected to rotary centrifugal separation relative to the outer barrel body flows downwards into the filter barrel through the water outlet, the liquid can be filtered through the filter mechanism, residual soil waste residues in the liquid are removed, the filtered liquid can be directly put into application of a construction site after being collected in the filter barrel, the further rotation of the rotating shaft can drive the scraping plate to rotate relative to the filter mechanism, the scraping plate can scrape filter residues remained on the filter mechanism and move into the second guide pipe through the third slag discharging opening, the water in the filter residues is evaporated, condensed and recovered through the second guide pipe, and recycling of the water in the filter residues is realized.
In another technical scheme, in the shield construction device, the top of the outer cylinder 1 and the top of the inner cylinder 2 are connected through an annular bearing 23. The top of the inner cylinder body is connected with the outer cylinder body through the annular bearing, so that the stability of the inner cylinder body relative to the outer cylinder body in rotation is improved.
In another technical scheme, in the shield construction device, the first motor 31 is fixedly connected with the outer wall of the outer cylinder 1 through a first frame 32. The first frame body is arranged, so that the first motor is installed and fixed.
In another technical scheme, in the shield construction device, the condensation cover 66 is fixedly connected with the outer wall of the outer cylinder 1 through a second frame 661. The second frame body is arranged to realize the installation and fixation of the condensation cover.
The invention has simple integral structure, can carry out multiple and multistage separation treatment on the solid-liquid mixture generated in the shield construction process, recycle water resources as much as possible, reduce the water content of the solid slag as much as possible, and facilitate the transportation operation and subsequent reutilization of the solid slag.
In another technical scheme, in the shield construction device, a drain pipe 69 is arranged at the bottom of the water storage tank 68, and the drain pipe 69 is arranged on a water valve. The water collected in the water storage tank is concentrated and recycled through the drain pipe by opening the water valve, or is directly connected to a construction application site for recycling.
In another technical scheme, the filtering mechanism 72 of the shield construction device comprises a filtering layer and a metal net 721 coated outside the filtering layer, wherein the filtering layer comprises a porous ceramsite layer 722, a geotechnical cloth layer 723 and an activated carbon layer 724 from top to bottom. The metal mesh plays a protective role on the filter layer, the condition that the filter layer is scratched by the scraper blade in a rotating way, so that the filter layer is worn is avoided, the porous ceramsite layer, the geotechnical cloth layer and the activated carbon layer can filter liquid again, fine impurities and bacteria in the liquid are removed, the quality of the liquid obtained by separation is improved, and the high-quality recycling of water resources is realized.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. The shield constructs construction equipment, its characterized in that includes:
the outer cylinder body is of a hollow structure with an open top; the bottom of the outer cylinder body is provided with a water outlet, and the lower part of one side is provided with a first slag outlet;
the inner cylinder body is coaxially and rotatably arranged in the outer cylinder body, and a plurality of first water filtering holes are formed in the circumferential side wall and the bottom of the inner cylinder body; the outer wall of the inner cylinder body is not contacted with the inner wall of the outer cylinder body; the top of the inner cylinder body is provided with a feed port, the lower part of one side is provided with a second slag discharge port, an openable baffle is arranged in the second slag discharge port, and the second slag discharge port and the first slag discharge port can be communicated in the radial direction;
the first rotating shaft is coaxially arranged in the inner cylinder body, the upper end of the first rotating shaft is fixedly connected with the output shaft of the first motor, the lower end of the first rotating shaft vertically and downwards extends to sequentially penetrate through the bottom surfaces of the inner cylinder body and the outer cylinder body, and the first rotating shaft is fixedly connected with the inner cylinder body and is in sealed rotating connection with the bottom surface of the outer cylinder body; the first motor is a variable frequency motor;
the first spiral conveying mechanism is coaxially and fixedly arranged on the inner cylinder body, the first spiral conveying mechanism comprises a first spiral blade fixedly arranged on the first rotating shaft, and the feed inlet is positioned right above the top of the first spiral blade; a plurality of second water filtering holes are formed in the first spiral blade;
the plurality of movable mechanisms are arranged on the first helical blade at intervals along the vertical direction, and any movable mechanism comprises:
the fixed rod is horizontally and fixedly arranged on the first spiral blade;
the movable wheels are sleeved on the fixed rod in a sliding manner at intervals along the axial direction of the fixed rod, two movable wheels at the end part are fixedly connected with the first spiral blade through first springs respectively, and any two adjacent movable wheels are connected through second springs;
the second spiral conveying mechanism comprises a shell which is horizontally arranged, a second rotating shaft which is coaxially arranged in the shell in a rotating way, and a second spiral blade which is fixedly arranged on the second rotating shaft; the top of the shell is provided with an opening; the inside of the second rotating shaft is hollow, and a plurality of exhaust holes are formed in the circumferential side wall of the second rotating shaft; the bottom of one end of the shell is provided with a slag discharging port;
one end of the first material guide pipe is communicated with the first slag discharging port, and the other end of the first material guide pipe is communicated with the top of the other end of the shell;
the second motor is fixedly arranged at one end of the shell, and an output shaft of the second motor is fixedly connected with the second rotating shaft;
the air heater is arranged at the other end of the shell, and an air outlet of the air heater is communicated with the inside of the second rotating shaft;
the condensing cover is of a conical structure and is covered right above the shell, and the bottom of the condensing cover is connected with an annular water storage groove;
the condensing pipes are arranged on the inner wall of the condensing cover at intervals, the upper end of any condensing pipe is fixedly connected with the inner wall of the condensing cover, and the lower end of any condensing pipe extends downwards in an inclined way towards the central axis far away from the condensing cover; the projections of any two condensing tubes adjacent to each other vertically in the horizontal direction are partially overlapped.
2. The shield construction apparatus according to claim 1, further comprising:
the filter barrel is coaxially arranged right below the outer barrel body, and the top of the filter barrel is communicated with the water outlet;
the filtering mechanism is horizontally inscribed in the filtering barrel, and is provided with a third slag discharging port which is penetrated up and down and symmetrically arranged at two sides of the first rotating shaft with the water discharging port;
one end of the second material guide pipe is communicated with the third slag discharging port, and the other end of the second material guide pipe extends downwards obliquely through the filter vat and is communicated with the top of the other end of the shell;
the scraper blade is arranged in the filter vat, one end of the scraper blade is fixedly connected with the lower end of the first rotating shaft, and the bottom of the scraper blade is contacted with the upper surface of the filter mechanism.
3. The shield construction apparatus according to claim 1, wherein the top portions of the outer cylinder and the inner cylinder are connected by an annular bearing.
4. The shield construction apparatus according to claim 1, wherein the first motor is fixedly connected to the outer wall of the outer cylinder through a first frame.
5. The shield construction apparatus according to claim 2, wherein the condensation shield is fixedly connected to the outer wall of the outer cylinder body through a second frame body.
6. The shield construction apparatus according to claim 2, wherein a drain pipe is provided at the bottom of the water storage tank, and the drain pipe is provided on the water valve.
7. The shield construction device according to claim 2, wherein the filtering mechanism comprises a filtering layer and a metal net coated outside the filtering layer, and the filtering layer comprises a porous ceramsite layer, a geotechnical cloth layer and an activated carbon layer from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340053.2A CN114768376B (en) | 2022-04-01 | 2022-04-01 | Shield construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340053.2A CN114768376B (en) | 2022-04-01 | 2022-04-01 | Shield construction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114768376A CN114768376A (en) | 2022-07-22 |
| CN114768376B true CN114768376B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210340053.2A Active CN114768376B (en) | 2022-04-01 | 2022-04-01 | Shield construction device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006088005A (en) * | 2004-09-22 | 2006-04-06 | Shinagawa Tekkojyo Corp Ltd | Sewage treatment device |
| CN205527922U (en) * | 2016-02-05 | 2016-08-31 | 姚韩 | Sewage treatment coagulation device that mixture homogeneity is high |
| CN209901174U (en) * | 2019-04-16 | 2020-01-07 | 天津市中塘节能技术有限公司 | Mixing device for rubber tube production |
| CN212417266U (en) * | 2019-12-12 | 2021-01-29 | 核工业理化工程研究院 | Filter |
| CN211726021U (en) * | 2020-02-14 | 2020-10-23 | 马卫珍 | Crushing device |
| CN212016925U (en) * | 2020-09-29 | 2020-11-27 | 山东兄弟科技股份有限公司 | Solid-liquid separation device for sewage treatment |
| CN213624135U (en) * | 2020-11-16 | 2021-07-06 | 连云港晨兴环保产业有限公司 | A fermentation cylinder that stews for municipal solid waste |
| CN214457296U (en) * | 2020-12-17 | 2021-10-22 | 大长江环境工程技术有限责任公司 | Industrial alkali recycling device for industrial sewage treatment |
| CN113277576B (en) * | 2021-05-14 | 2022-08-26 | 广州市艾瑞空气净化设备有限公司 | Particle micro-vibration type filter layer based on PP material |
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