CN216323164U

CN216323164U - Screening sand machine that civil engineering used

Info

Publication number: CN216323164U
Application number: CN202121683398.5U
Authority: CN
Inventors: 陆永亮
Original assignee: Fengyang County Key Project Construction Management Service Center
Current assignee: Fengyang County Key Project Construction Management Service Center
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-04-19
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a sand screening machine for civil engineering, which comprises a sand screening box, a filter plate, a cleaning water tank and a drying structure, wherein a sand adding hopper is arranged at the top of the sand screening box, the filter plate is arranged in the sand screening box below the sand adding hopper, a vibration motor is arranged at the center position below the filter plate, discharging hoppers connected with the filter plate are arranged at two sides of the filter plate, the cleaning filter plate inclined towards the drying structure is arranged below the filter plate, an inclined material gathering plate is arranged between the filter plate and the cleaning filter plate, the bottom end of the material gathering plate extends to the top end position of the cleaning filter plate, a circulating water pipe is arranged at the middle position of the cleaning water tank and extends to the top end of the cleaning filter plate, and a circulating pump is arranged on the circulating water pipe. According to the utility model, the phenomenon that the holes are blocked by sand and stones is greatly reduced by using the vibration motor, water is pumped to the upper part of the cleaning filter plate through circulation, and the cleaned sand flows into the drying mechanism to be dried in time, so that the drying speed is high, and the efficiency is high.

Description

Screening sand machine that civil engineering used

Technical Field

The utility model relates to the technical field of sand screening machines, in particular to a sand screening machine for civil engineering.

Background

The sand screening machine is mainly used for sorting coarse and fine sand and stones and generally adopts a vibrating screen type or drum type structure. The drum-type sand screening machine utilizes the sand and stone to impact the drum from the potential energy that the eminence falls to drive the rotatory sand screening of drum, because the condition of card in the screen cloth can appear in the sand and stone, consequently need often clear up the screen cloth. And the sand contains a large amount of soil, and the sand can be used after being cleaned and dried, but the sand and the stone are difficult to clean and inconvenient to dry. Therefore, a machine which is convenient for screening sand and easy for cleaning and drying is needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model aims to provide a sand screening machine for civil engineering, which solves the problems that sand is troublesome to filter, a filter plate is easy to block, and sand cannot be cleaned and dried in time.

The utility model provides a sand screening machine for civil engineering, which comprises a sand screening box, a filter plate, a cleaning water pool and a drying structure, wherein a sand adding hopper is arranged at the top of the sand screening box, the filter plate is arranged in the sand screening box below the sand adding hopper, a vibration motor is arranged at the central position below the filter plate, discharge hoppers connected with the filter plate are arranged at two sides of the filter plate, the discharge hoppers extend out of the sand screening box, the cleaning filter plate inclined towards the drying structure is arranged below the filter plate, an inclined material gathering plate is arranged between the filter plate and the cleaning filter plate, the bottom end of the material gathering plate extends to the top end position of the cleaning filter plate, the cleaning water pool is arranged at the bottom of the sand screening box, a circulating water pipe is arranged at the middle position of the cleaning water pool, the circulating water pipe extends to the top end of the cleaning filter plate, and a circulating pump is arranged on the circulating water pipe, the bottom of the cleaning water tank is provided with a blow-off pipe and a blow-off valve, and the side edge of the top of the cleaning water tank is provided with a water feeding pipe and a water feeding valve.

In some embodiments of the utility model, the filter plate comprises a top cambered plate and a first filter plate and a second filter plate which are symmetrically arranged on two sides of the cambered plate, the cambered plate is sequentially connected with the first filter plate and the second filter plate in an orderly manner, the inclination of the first filter plate is greater than that of the second filter plate, and first flanges are arranged on two sides of the filter plate.

In other embodiments of the utility model, the diameter of the holes in the first filter plate is larger than the diameter of the holes in the second filter plate, the diameter of the holes in the first filter plate is 1.5-2.0mm, and the diameter of the holes in the second filter plate is 1.3-1.5 mm.

In other embodiments of the present invention, the cleaning filter plate includes a filtering portion and a non-filtering portion, the filtering portion occupies 4/5 of the entire length of the cleaning filter plate, the filtering portion is provided with a plurality of water control holes, and the two sides of the cleaning filter plate are provided with second ribs.

In other embodiments of the present invention, the water control holes include an upper tapered hole and a lower cylindrical hole.

In other embodiments of the utility model, the drying structure comprises an oven, a conveying belt, an air heater and an exhaust fan, the conveying belt penetrates through two ends of the oven, an exhaust pipeline of the air heater is inserted into the front end of the oven, the exhaust fan is arranged at the tail part of the oven, an exhaust pipe is inserted into the oven, and the lower end of the cleaning filter plate is arranged above the conveying belt.

According to the sand and stone cleaning machine, the filter plate is used for filtering sand and stone, the vibration motor below the filter plate greatly reduces the phenomenon that the sand and stone block holes, water is pumped to the upper portion of the cleaning filter plate through circulation, the filtered sand is cleaned, the cleaned water flows down from the cleaning filter plate and falls into the cleaning water tank for recycling, the cleaned sand flows into the drying mechanism for drying in time, and the drying speed is high and the drying efficiency is high.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural view of a sand screening machine for civil engineering according to the present invention.

Fig. 2 is a schematic structural diagram of a filter plate according to the present invention.

FIG. 3 is a schematic structural diagram of a cleaning filter plate according to the present invention.

FIG. 4 is a cross-sectional view of the cleaning filter plate according to the present invention at the water control holes.

In the figure: 1. adding a sand hopper; 2. a cambered plate; 20. a first flange; 21. vibrating a motor; 22. a first filter plate; 23. a second filter plate; 24. a discharge hopper; 3. a material gathering plate; 4. cleaning the filter plate; 41. a filtering part; 42. A non-filtration section; 43. a second flange; 44. a water control hole; 441. a taper hole; 442. a cylindrical bore; 5. a circulating water pipe; 6. cleaning the water tank; 61. a blow-off pipe and a blow-off valve; 62. a water feeding pipe and a water feeding valve; 7. an oven; 71. A conveyor belt; 8. a hot air blower; 9. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, a sand screening machine for civil engineering, comprising a sand screening box, a filter plate, a cleaning filter plate 4, a cleaning water pool 6 and a drying structure, wherein a sand adding hopper 1 is arranged at the top of the sand screening box, the filter plate is arranged in the sand screening box below the sand adding hopper 1, a vibrating motor 21 is arranged at the central position below the filter plate, discharge hoppers 24 connected with the filter plate are arranged at two sides of the filter plate, the discharge hoppers 24 extend out of the sand screening box, the cleaning filter plate 4 inclined towards the drying structure is arranged below the filter plate, an inclined material collecting plate 3 is arranged between the filter plate and the cleaning filter plate 4, the bottom end of the material collecting plate 3 extends to the top end position of the cleaning filter plate 4, the cleaning water pool 6 is arranged at the bottom of the sand screening box, the cleaning water pool 6 is provided with a circulating water pipe 5 at the middle position, the circulating water pipe 5 extends to the top end of the cleaning filter plate 4, and a circulating pump 51 is arranged on the circulating water pipe 5, a drain pipe and a drain valve 61 are arranged at the bottom of the cleaning water tank 6, and a water feeding pipe and a water feeding valve 62 are arranged on the side edge of the top of the cleaning water tank 6.

Sand is poured into from adding sand 1 position of fighting, falls into on the filter, and gravel and sand can be followed the filter top and slided to both sides, filters large granule sand and other impurity from the filter, flows from discharge hopper 24, falls into in the collection box. Sand is through filtering the back, and the part is directly fallen on 4 top portions of washing filter, and the part falls on gathering flitch 3 to the gliding falls and washs 4 top portions of filter, and circulating water pump 51 is the circulation of water pump in with washing water pool 6 and is taken into washing filter 4 top portions top, washs sand, washes earth and dust sand, and flows down from the washing filter, falls into washing water pool 6, and washing water pool 6 is the circulation extraction. After cleaning, the sand slides downwards from the cleaning filter plate to enter a drying structure for drying and conveying away. The drain valve 61 on the drain pipe is periodically opened to remove the precipitated sludge, and then fresh water is added from the water-adding pipe.

The filter includes the cambered surface board 2 at top and the first filter 22 and the second filter 23 that the 2 bilateral symmetry of cambered surface board set up, cambered surface board 2 in proper order with first filter 22 and second filter 23 in same direction as connecing, the gradient of first filter 22 is greater than the gradient of second filter 23, the filter both sides are equipped with first flange 20.

The cambered plate 2 is motionless, sand falling into the cambered plate can be dispersed towards two sides and filtered by two sides of the first filter plate 22 and the second filter plate 23, and the first rib 20 prevents the sand from sliding towards two sides.

The diameter of the holes on the first filter plate 22 is larger than that of the holes on the second filter plate 23, the diameter of the holes on the first filter plate 22 is 1.5-2.0mm, and the diameter of the holes on the second filter plate 23 is 1.3-1.5 mm.

Because the first filter plate 22 has a large inclination, the diameter of the holes on the first filter plate 22 is designed to be large, and the high-speed filtration can be realized. The second filter plate 23 may further filter the fine sand that is not filtered.

The cleaning filter plate 4 comprises a filter part 41 and a non-filter part 42, the filter part 41 occupies 4/5 of the length of the whole cleaning filter plate 4, a plurality of water control holes 44 are arranged on the filter part 41, and second retaining edges 43 are arranged on two sides of the cleaning filter plate 4.

The cleaned water flows out of the filter portion 41 and is immediately retained in the non-filter portion 42 and falls into the drying structure, and the second rib 43 can prevent sand and water from sliding and flowing to the two sides.

The water control hole 44 includes an upper tapered hole 441 and a lower cylindrical hole 442.

Sand is prevented from being stuck in the water control hole 44, the upper tapered hole 441 is slightly protruded from the upper surface of the filter part 41, and water is easily infiltrated into the hole.

Drying structure includes oven 7, conveyor belt 71, air heater 8 and air exhauster 9, conveyor belt 71 runs through oven 7 both ends, air exhaust pipe of air heater 8 inserts in oven 7 front end, air exhauster 9 sets up in oven 7 afterbody and exhaust tube insert oven 7, wash filter 4 lower extreme setting in conveyor belt 71 top.

The sand landing is transported to conveyor belt 7 front end portion, and air heater 8 bloies in to oven 7, is taken out by air exhauster 9, can dry the sand like this to take away steam.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a screening sand machine that civil engineering used which characterized in that: comprises a sand screening box, a filter plate, a cleaning filter plate (4), a cleaning water pool (6) and a drying structure, wherein the top of the sand screening box is provided with a sand feeding hopper (1), the sand screening box below the sand feeding hopper (1) is internally provided with the filter plate, the central position below the filter plate is provided with a vibration motor (21), the two sides of the filter plate are provided with discharge hoppers (24) connected with the filter plate, the discharge hoppers (24) extend out of the sand screening box, the lower part of the filter plate is provided with the cleaning filter plate (4) inclined to the drying structure, an inclined material collecting plate (3) is arranged between the filter plate and the cleaning filter plate (4), the bottom end of the material collecting plate (3) extends to the top position of the cleaning filter plate (4), the cleaning water pool (6) is arranged at the bottom of the sand screening box, the cleaning water pool (6) is provided with a circulating water pipe (5) at the middle position, the circulating water pipe (5) extends to the top of the cleaning filter plate (4), be equipped with circulating pump (51) on circulating water pipe (5), wash pond (6) bottom is equipped with blow off pipe and blowoff valve (61), wash pond (6) top side is equipped with filler pipe and water valve (62).

2. A sand screening machine for civil engineering works according to claim 1, characterized in that: the filter includes cambered surface board (2) and cambered surface board (2) bilateral symmetry at top first filter (22) and second filter (23) that set up, cambered surface board (2) in proper order with first filter (22) and second filter (23) in the same direction as connecing, first filter (22) gradient is greater than the gradient of second filter (23), the filter both sides are equipped with first flange (20).

3. A sand screening machine for civil engineering works according to claim 2, characterized in that: the diameter of the upper hole of the first filter plate (22) is larger than that of the upper hole of the second filter plate (23), the diameter of the upper hole of the first filter plate (22) is 1.5-2.0mm, and the diameter of the upper hole of the second filter plate (23) is 1.3-1.5 mm.

4. A sand screening machine for civil engineering works according to claim 1, characterized in that: wash filter (4) including filter house (41) and non-filter portion (42), filter house (41) account for 4/5 of whole washing filter (4) length, be equipped with a plurality of accuse water holes (44) on filter house (41), it is equipped with second flange (43) to wash filter (4) both sides.

5. A sand screen for civil engineering works according to claim 4, characterized in that: the water control hole (44) comprises an upper conical hole (441) and a lower cylindrical hole (442).

6. A sand screening machine for civil engineering works according to claim 1, characterized in that: drying structure includes oven (7), conveyor belt (71), air heater (8) and air exhauster (9), conveyor belt (71) runs through oven (7) both ends, the exhaust pipe of air heater (8) inserts in oven (7) front end, air exhauster (9) set up in oven (7) afterbody and exhaust tube insert oven (7), it sets up in conveyor belt (71) top to wash filter (4) lower extreme.