CN114405810A - Construction waste screening equipment - Google Patents
Construction waste screening equipment Download PDFInfo
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- CN114405810A CN114405810A CN202111637939.5A CN202111637939A CN114405810A CN 114405810 A CN114405810 A CN 114405810A CN 202111637939 A CN202111637939 A CN 202111637939A CN 114405810 A CN114405810 A CN 114405810A
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- 238000012216 screening Methods 0.000 title claims abstract description 67
- 239000002699 waste material Substances 0.000 title claims description 26
- 238000010276 construction Methods 0.000 title claims description 23
- 239000000428 dust Substances 0.000 claims abstract description 82
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000007873 sieving Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/286—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens with excentric shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Abstract
The invention provides building garbage screening equipment which comprises a vibrating screening machine, wherein the vibrating screening machine comprises a rack, a vibrating box, a screening net and a power assembly, an upper opening is formed in the upper end of the vibrating box, a dust hood is covered on the upper opening, a dust collecting pipe is connected to the upper end of the dust hood, a cyclone dust collector is connected to the dust collecting pipe, a pulse dust collector is connected to an air outlet of the cyclone dust collector, an induced draft fan is connected to an air outlet of the pulse dust collector, and a chimney which is vertically arranged is connected to the air outlet of the induced draft fan. Through setting up the vibration screening machine, can realize continuous production, production efficiency is higher relatively, through setting up draught fan and dust cage, utilizes the mode of negative pressure selection by winnowing to collect the light thing that is thrown up by the vibration screening machine, and the light thing is difficult for adhesion once more on the aggregate, and the aggregate contains the miscellaneous rate and is lower relatively, simultaneously through setting up cyclone, effectively distinguishes little light thing to density and selects separately, and the screening effect is better relatively.
Description
Technical Field
The invention relates to construction waste treatment equipment, in particular to construction waste screening equipment.
Background
The concrete recycled aggregate is a building material processed by utilizing building waste, and the aggregate needs to be screened from the building waste before the concrete recycled aggregate is processed by utilizing the building waste.
The aggregate obtained by the existing construction waste screening equipment is usually relatively high in impurity content, and is mainly mixed with a plurality of light substances such as fine plastic films and the like. The utility model discloses a chinese utility model patent that bulletin number is CN209953265U discloses a building rubbish recycled aggregate vibration winnowing equipment, it is including screening unit, the vibration unit, air-blast unit and collection unit, the below of screening unit is located to the vibration unit, the both sides of screening unit are located with the collection unit branch to the air-blast unit, the multilayer screening board that screening unit includes the screening case and locates the screening incasement is screened to the screening board below, be equipped with the material receiving plate on the perisporium of screening case, screening board and material receiving plate all set up on a supporting bench, sieve mesh on the screening board reduces from last to down gradually, the supply-air outlet of air-blast unit communicates to each layer screening board and the top that connects material plate one side, the screening case is close to collection unit one side and is provided with the discharge gate corresponding to screening board and material receiving plate top, screening case top is equipped with the feed inlet. The light in the building rubbish can be blown away by the aid of the positive-pressure air separation mode to reduce impurity content of the aggregates, continuous production cannot be achieved, production efficiency is relatively low, the light blown up by the air blowing unit is easily adhered to the aggregates again, impurity content of the aggregates is still relatively high, effective separation of the light with small density difference is difficult to achieve, and screening effect is relatively poor.
In view of the above, the applicant has conducted an intensive study on the structure of the construction waste screening device, and has developed the present application.
Disclosure of Invention
The invention aims to provide the construction waste screening equipment which is relatively high in production efficiency, relatively low in aggregate impurity content and relatively good in screening effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a construction waste screening equipment, includes the vibration screening machine, the vibration screening machine includes the frame, sets up vibrating bin, fixed connection in the frame are in screening net in the inner chamber of vibrating bin and being used for the drive the power component of vibrating bin vibration, the upper end of vibrating bin has the upper shed, the upper shed upper shield is equipped with the dust cage, the upper end of dust cage is connected with the dust leg, the dust leg is kept away from the one end of dust cage is connected with cyclone, cyclone's air outlet is connected with pulse dust collector, pulse dust collector's air outlet is connected with the draught fan, the air outlet of draught fan is connected with the vertical chimney of arranging.
As an improvement of the invention, the vibrating box and the sieving net are arranged in a gradually downward inclined manner from one end to the other end in the length direction, the number of the power assemblies is two, the two power assemblies are respectively and symmetrically arranged on two sides in the width direction of the vibrating box, the frame is provided with spring assemblies respectively positioned on two sides of the vibrating box at positions corresponding to two ends in the length direction of the vibrating box, the vibrating box is arranged on the frame through the spring assemblies, each spring assembly comprises a spring seat fixed on the frame, a transverse spring arranged in parallel with the width direction of the vibrating box, a vertical spring arranged vertically and a pressing seat rotatably connected on the vibrating box, one end of the transverse spring abuts against the spring seat, the other end abuts against the vibrating box, and the lower end of the vertical spring is fixedly connected on the spring seat, the upper end of the pressing seat is propped against the pressing seat.
As an improvement of the present invention, two dust collecting covers are provided, which are respectively a first dust collecting cover and a second dust collecting cover, the first dust collecting cover and the second dust collecting cover are sequentially arranged from a relatively lower end of the vibration box to the other end, a first branch pipe is connected between the first dust collecting cover and the pipe body of the dust collecting pipe, and a second branch pipe is connected between the second dust collecting cover and the end of the dust collecting pipe.
As a refinement of the invention, the second branch is a venturi.
As an improvement of the invention, the power assembly comprises a vibration motor arranged on the vibration box, a flexible coupling connected to an output shaft of the vibration motor, a transmission shaft connected to the flexible coupling, a support bearing sleeved on the transmission shaft, a bearing seat sleeved on the support bearing and two eccentric blocks which are respectively positioned on two sides of the bearing seat and fixedly sleeved on the transmission shaft, the eccentric directions of the two eccentric blocks are the same, and the bearing seat is fixedly connected to the vibration box.
As an improvement of the invention, the cyclone dust collector comprises an upper shell, a blanking hopper fixedly connected to the lower end of the upper shell, wherein the inner cavity of the blanking hopper is communicated with the inner cavity of the upper shell, a star-shaped discharge valve arranged at the lower end of the blanking hopper, and an air outlet pipe which is vertically arranged and is inserted into the upper shell and the blanking hopper at the same time, wherein an air inlet is formed in the side wall of the upper shell, a spiral air inlet pipe is connected to the air inlet, the air inlet pipe is connected with a dust collecting pipe, the upper end of the air outlet pipe is positioned above the upper shell, the lower end of the air outlet pipe is positioned at a position close to the star-shaped discharge valve, and a plurality of air through holes are formed in the lower part of the pipe wall of the air outlet pipe.
As an improvement of the invention, the diameter of the part of the air outlet pipe penetrating into the blanking hopper is gradually reduced from top to bottom.
As an improvement of the invention, the inner side wall of the air inlet pipe is also provided with a spiral baffle.
As an improvement of the invention, a silencer is connected between the air outlet of the induced draft fan and the chimney.
By adopting the technical scheme, the invention has the following beneficial effects:
1. through setting up the vibration screening machine, can realize continuous production, production efficiency is higher relatively, through setting up draught fan and dust cage, utilizes the mode of negative pressure selection by winnowing to collect the light thing that is thrown up by the vibration screening machine, and the light thing is difficult for adhesion once more on the aggregate, and the aggregate contains the miscellaneous rate and is lower relatively, simultaneously through setting up cyclone, effectively distinguishes little light thing to density and selects separately, and the screening effect is better relatively.
2. Through setting up mutually independent power component respectively in the both sides of vibration case width direction, the vibration case can also be at width direction upper and lower vibration except can carrying out the vibration under power component's drive like this, can be more effectual throw out light thing from building rubbish, and help improving the vibration screening effect.
3. Through setting up two dust cages, be convenient for the segmentation collection dirt, avoid the light thing backward flow, improve the collection dirt effect.
4. According to the cyclone dust collector provided by the invention, the air inlet pipe is arranged in a spiral shape, and the spiral baffle is arranged on the inner side wall of the air inlet pipe, so that airflow rotates firstly before entering the cyclone dust collector, the separation efficiency is improved, meanwhile, the air outlet pipe is arranged, and the ventilation holes are formed in the air outlet pipe, so that sunk light objects in the air outlet pipe are not easily disturbed by the airflow in the blanking hopper, and secondary dust raising is not easily caused.
Drawings
FIG. 1 is a schematic structural diagram of a construction waste screening apparatus according to the present invention;
FIG. 2 is a schematic side view of a vibratory screening machine according to the present disclosure;
FIG. 3 is a sectional view of the vibration box of the present invention;
FIG. 4 is a schematic view of the cyclone of the present invention;
FIG. 5 is a schematic top view of the cyclone of the present invention;
FIG. 6 is a schematic view showing a connection structure of the pulse dust collector of the present invention.
Partial position partial perspective is shown in the figure, and the labels in the figure correspond to the following:
10-vibrating screening machine; 11-a frame;
12-a vibration box; 13-screening the mesh;
20-a power assembly; 21-a vibration motor;
22-a flexible coupling; 23-a drive shaft;
24-a support bearing; 25-a bearing seat;
26-an eccentric mass; 30-a spring assembly;
31-spring seats; 32-a transverse spring;
33-a vertical spring; 34-pressing seat;
40-a dust collecting tube; 41-a first dust cage;
42-a second dust cage; 43-a first branch;
44-a second leg; 50-cyclone dust collector;
51-an upper housing; 52-a blanking hopper;
53-star discharge valve; 54-an air outlet pipe;
55-an air inlet pipe; 60-a pulse dust collector;
61-a draught fan; 62-a chimney;
63-silencer.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1 to 6, the present embodiment provides a construction waste screening apparatus, which includes a vibratory screening machine 10, where the vibratory screening machine 10 includes a frame 11, a vibration box 12 disposed on the frame 11, a screening net 13 fixedly connected in an inner cavity of the vibration box 12, and a power assembly 20 for driving the vibration box 12 to vibrate, where there are more than two screening nets 13, and when there are more than two screening nets 13, each screening net 13 is disposed from top to bottom, and a specific arrangement structure is the same as that of a conventional vibratory screening machine, and is not a focus of the present embodiment, and details thereof are not repeated.
The vibrating box 12 and the classifying screen 13 are arranged to be inclined gradually downward from one end to the other end in the length direction thereof, and the vibration box 12 is provided with a feed inlet at a position above the upper end of the sieving net 13, from which construction waste is fed into the vibration screening machine 10, the vibration box 12 is provided with a storage bin or a storage channel (not shown) at a position below the lower end of each sieving net 13 and at the lower end of the bottom wall of the vibration box, respectively, for collecting construction aggregate flowing out of the corresponding position, the specific structure of the storage bin or the storage channel and the specific connection structure between the storage bin or the storage channel and the vibration box 12 are the same as those of the conventional vibration screening machine, and are not described in detail here, it should be noted that, the end of the vibration box 12 or the screening net 13 in the volume of the embodiment, not only the corresponding end surface but also a position close to the end surface, i.e. a position on the vibrating box 12 or the sieving net 13.
The number of the power assemblies 20 may be only one, and preferably, in the embodiment, there are two power assemblies 20, and the two power assemblies are respectively and symmetrically arranged at two sides of the width direction of the middle position of the vibration box 12, so that the two power assemblies 20 can synchronously or asynchronously operate according to the actual type of the construction waste, when the two power assemblies 20 asynchronously operate, the vibration box 12 cannot avoid generating deflection in the vibration process, and further drives the construction waste to move in the width direction of the vibration box 12, light objects mixed in the construction waste are more easily separated, and the vibration screening effect is better. In order to adapt to the two power assemblies 20, the frame 11 is provided with four spring assemblies 30 respectively located at two sides of the vibration box 12 at positions corresponding to two ends of the vibration box 12 in the length direction, and of course, more spring assemblies may be provided. The vibration box 12 is arranged on the frame 11 through each spring assembly 30, and two spring assemblies 30 positioned at the same end of the vibration box 12 are symmetrically arranged.
The spring assemblies 30 have the same structure, for example, one of the spring assemblies 30 includes a spring seat 31 fixed on the frame 11, a transverse spring 32 arranged in parallel with the width direction of the vibration box 12, a vertical spring 33 arranged vertically, and a pressing seat 34 rotatably connected to the vibration box 12, wherein one end of the transverse spring 32 abuts against the spring seat 31, and the other end abuts against the vibration box 12, specifically, one side of the spring seat 31 facing the vibration box 12 is provided with a long groove, a plurality of transverse springs 32 arranged at equal intervals along the length direction of the long groove are arranged in the long groove, one end of each transverse spring 32 abuts against the bottom of the long groove, and the other end is sleeved with the same rubber strip, a part of the rubber strip in the thickness direction is movably inserted into the long groove, and the rubber sleeve is tightly attached to the outer side wall of the vibration box 12. The lower end of the vertical spring 33 is fixedly connected to the spring seat 31, and the upper end abuts against or is fixedly connected to the pressing seat 34. It should be noted that, in order to increase the torsion resistance of the vertical spring 33, the outer diameter and the wire diameter of the vertical spring 33 should be as large as possible.
The two power assemblies 20 have the same structure, and taking one of them as an example, the power assembly 20 includes a vibration motor 21 arranged on the vibration box 12, a flexible coupling 22 connected to an output shaft of the vibration motor 21, a transmission shaft 23 connected to the flexible coupling 22, a support bearing 24 sleeved on the transmission shaft 23, a bearing seat 25 sleeved on the support bearing 24, and two eccentric blocks 26 respectively located at two sides of the bearing seat 25 and fixedly sleeved on the transmission shaft 23, one of the eccentric masses 26 is located right below the vibration box 12 (i.e. the projections of the two on the horizontal plane overlap), the other eccentric mass 26 is located below the side of the vibration box 12 (i.e. the projections of the two on the horizontal plane do not overlap), the eccentric directions of the two eccentric masses 26 are the same, and the two eccentric blocks 26 are equally spaced from the corresponding side walls of the vibration box 12, so that the stress is stable. The bearing housing 25 is fixedly attached to the vibration box 12. In use, the eccentric block 26 is driven by the vibration motor 21 to rotate, and the vibration box 12 is driven by the centrifugal force through the bearing seat 25 to vibrate.
The upper end of the vibration box 12 has an upper opening covered with a dust collection cover, the upper end of the dust collection cover is connected with a dust collection pipe 40, preferably, in this embodiment, there are two dust collection covers, respectively a first dust collection cover 41 and a second dust collection cover 42, and the first dust collection cover 41 and the second dust collection cover 42 are sequentially arranged from the relatively lower end of the vibration box 12 to the other end direction, and together cover the upper opening. A first branch pipe 43 is connected between the first dust hood 41 and the pipe body of the dust collecting pipe 40, and a second branch pipe 44 is connected between the second dust hood 42 and the end part of the dust collecting pipe 40, so that the first dust hood 41 can be ensured to have relatively large suction force, an effect similar to an air curtain is formed, and light materials are prevented from entering a storage bin or a storage channel. Preferably, the second manifold 44 is a venturi tube or a venturi tube inserted therein, which helps to accelerate the flow of gas so as to quickly suck the light materials that have just entered the vibratory box 12, thereby improving the sorting efficiency, and helps to prevent the light materials from floating in the vibratory box 12 or adhering to the inner sidewall of the vibratory box 12 for a long time.
One end of the dust collecting pipe 40, which is far away from each dust collecting hood, is connected with a cyclone dust collector 50, the cyclone dust collector 50 can adopt a conventional cyclone dust collector, preferably, in this embodiment, the cyclone dust collector 50 includes an upper housing 51, a blanking hopper 52 fixedly connected to the lower end of the upper housing 51 and having an inner cavity communicated with the inner cavity of the upper housing 51, a star-shaped discharge valve 53 installed at the lower end of the blanking hopper 52, and an air outlet pipe 54 vertically arranged and simultaneously inserted into the upper housing 51 and the blanking hopper 52, wherein an air inlet is formed in the sidewall of the upper housing 51, the structures and specific connection structures of the upper housing 51, the blanking hopper 52, and the star-shaped discharge valve 53 are the same as those of the conventional cyclone dust collector, and here, the difference between the cyclone dust collector 50 provided in this embodiment and the conventional cyclone dust collector is mainly explained, and a spiral air inlet pipe 55 is connected to the air inlet of the upper housing 51, this air-supply line 55 is connected with dust collection tube 40, can let the air current produce the whirl earlier before getting into the inner chamber of upper housing 51 like this, improves the sorting efficiency, and when necessary, can also set up the spiral baffle at the inside wall of air-supply line 55 still, forms the little whirl of a equidirectional in big whirl, can let the light thing that mix with in the air current strike each other fast and fall after getting into the inner chamber of upper housing 51 like this, further improves the sorting efficiency. In addition, the upper end of the air outlet pipe 54 is located above the upper housing 51, the lower end is located at a position close to the star-shaped discharge valve 53, and a plurality of ventilation holes (not shown in the figure) are formed in the lower portion of the pipe wall of the air outlet pipe 54, preferably, the diameter of the portion of the air outlet pipe 54 penetrating into the blanking hopper 42 is gradually reduced from top to bottom, and the ventilation holes are formed in the portion of the air outlet pipe 54 where the diameter is gradually reduced. When the air separation device is used, airflow entering the inner cavity of the upper shell 51 firstly swirls in the inner cavity of the upper shell 51 and enters the blanking hopper 52, the rotated airflow contracts towards the center in the blanking hopper 52, enters the air outlet pipe 54 through the ventilation holes to form secondary swirling flow moving upwards, and is finally discharged from the upper end of the air outlet pipe 54, in the process, relatively large substances firstly collide with the inner cavities of the upper shell 51 and the blanking hopper 52 or collide with the upper shell 51 or the blanking hopper 52 and fall under the action of gravity, a part of light substances can be also come from the process that the airflow enters the blanking hopper 52 through the ventilation holes, and after the airflow enters the air outlet pipe 54, the relatively small substances can be thrown out by utilizing centrifugal force and gravity again without being influenced by airflow disturbance in the blanking hopper 52, so that the air separation efficiency is greatly improved.
The air outlet of the cyclone dust collector 50 is connected with a pulse dust collector 60, the air outlet of the pulse dust collector 60 is connected with an induced draft fan 61, and the air outlet of the induced draft fan 61 is connected with a chimney 62 which is vertically arranged, so that the further removal of tiny particles contained in the air flow is facilitated, and the pollution to the atmosphere is avoided. Preferably, a silencer 63 is connected between the air outlet of the induced draft fan 61 and the chimney 62 to reduce the exhaust noise.
The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.
Claims (9)
1. The utility model provides a construction waste screening equipment, includes the vibration screening machine, its characterized in that, the vibration screening machine includes the frame, sets up vibrating bin, fixed connection in the frame are in screening net in the inner chamber of vibrating bin and be used for the drive the power component of vibrating bin vibration, the upper end of vibrating bin has the upper shed, the upper shed upper shield is equipped with the dust cage, the upper end of dust cage is connected with the dust leg, the dust leg is kept away from the one end of dust cage is connected with cyclone, cyclone's air outlet is connected with pulse dust collector, pulse dust collector's air outlet is connected with the draught fan, the air outlet of draught fan is connected with the vertical chimney of arranging.
2. The construction waste screening device according to claim 1, wherein the vibrating box and the screening net are arranged to be gradually inclined downward from one end to the other end in the length direction thereof, the number of the power assemblies is two, the two power assemblies are respectively and symmetrically arranged on both sides in the width direction of the vibrating box, the frame is provided with spring assemblies respectively arranged on both sides of the vibrating box at positions corresponding to both ends in the length direction of the vibrating box, the vibrating box is arranged on the frame through the spring assemblies, the spring assemblies comprise a spring seat fixed on the frame, a transverse spring arranged in parallel with the width direction of the vibrating box, a vertical spring arranged vertically and a pressing seat rotatably connected to the vibrating box, one end of the transverse spring abuts against the spring seat, and the other end abuts against the vibrating box, the lower end of the vertical spring is fixedly connected to the spring seat, and the upper end of the vertical spring abuts against the pressing seat.
3. The construction waste screening apparatus as claimed in claim 2, wherein there are two dust hoods, which are a first dust hood and a second dust hood, respectively, the first dust hood and the second dust hood are sequentially disposed from a relatively lower end of the vibration box to the other end, a first branch pipe is connected between the first dust hood and the pipe body of the dust pipe, and a second branch pipe is connected between the second dust hood and the end of the dust pipe.
4. The vibration absorbing waste screening apparatus of claim 3, wherein said second branch conduit is a venturi tube.
5. The construction waste screening device according to claim 1, wherein the power assembly includes a vibration motor disposed on the vibration box, a flexible coupling connected to an output shaft of the vibration motor, a transmission shaft connected to the flexible coupling, a support bearing sleeved on the transmission shaft, a bearing seat sleeved on the support bearing, and two eccentric blocks respectively disposed on two sides of the bearing seat and fixedly sleeved on the transmission shaft, the two eccentric blocks have the same eccentric direction, and the bearing seat is fixedly connected to the vibration box.
6. The construction waste screening device according to claim 1, wherein the cyclone dust collector comprises an upper housing, a blanking hopper fixedly connected to a lower end of the upper housing and having an inner cavity communicated with an inner cavity of the upper housing, a star discharge valve installed at a lower end of the blanking hopper, and an air outlet pipe vertically arranged and simultaneously inserted into the upper housing and the blanking hopper, wherein an air inlet is formed in a side wall of the upper housing, a spiral air inlet pipe is connected to the air inlet, the air inlet pipe is connected to the dust collecting pipe, an upper end of the air outlet pipe is located above the upper housing, a lower end of the air outlet pipe is located at a position close to the star discharge valve, and a plurality of air ventilation holes are formed in a lower portion of a pipe wall of the air outlet pipe.
7. The construction waste screening apparatus as claimed in claim 6, wherein the diameter of the portion of the outlet duct penetrating into the drop hopper is gradually reduced from top to bottom.
8. The construction waste screening apparatus as claimed in claim 5, wherein the inner side wall of the air inlet duct is further provided with a spiral baffle.
9. The construction waste screening device of claim 1, wherein a silencer is connected between an air outlet of the induced draft fan and the chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637939.5A CN114405810A (en) | 2021-12-29 | 2021-12-29 | Construction waste screening equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111637939.5A CN114405810A (en) | 2021-12-29 | 2021-12-29 | Construction waste screening equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114405810A true CN114405810A (en) | 2022-04-29 |
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ID=81269709
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111637939.5A Pending CN114405810A (en) | 2021-12-29 | 2021-12-29 | Construction waste screening equipment |
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| CN (1) | CN114405810A (en) |
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