CN213854869U

CN213854869U - Heavy metal contaminated soil screening equipment

Info

Publication number: CN213854869U
Application number: CN202022794264.2U
Authority: CN
Inventors: 朱冬梅; 古汉民; 周兵
Original assignee: Guangzhou Rizhijian Ecological Environment Technology Co ltd
Current assignee: Guangzhou Rizhijian Ecological Environment Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a heavy metal polluted soil screening equipment, which comprises a box body; a pressurizing mechanism, wherein the pressurizing mechanism comprises a hot air blower and a conveying pipe; The air outlet end of the hot air blower is fixedly installed with a conveying pipe; a feeding pipe, a feeding pipe is rotatably inserted at the bottom of the box body; a filter cartridge, a filter cartridge is fixedly welded on the top of the feeding pipe; a driving mechanism, A driving mechanism is fixedly installed on the surface of the feeding pipe and is located outside the box body; a crushing mechanism includes a rotating shaft and a stirring rod, and a rotating shaft is fixedly inserted at the center of the top of the box body. The new type effectively solves the problem that some soils form large clods during the screening process of the existing heavy metal contaminated soil screening equipment, which is not conducive to the vibration screening of the soil, and the soil is wet and easy to form agglomerates, which will block the filter holes. , the problem of reducing the screening efficiency.

Description

Heavy metal contaminated soil screening equipment

Technical Field

The utility model relates to a soil screening equipment technical field specifically is a heavy metal contaminated soil screening equipment.

Background

Because of human activities, the content of trace metal elements in soil exceeds a background value, excessive deposition causes the content of heavy metals in the soil to be too high, and the heavy metal pollution of the soil is caused, the heavy metal is a metal with the specific gravity of more than 5, including gold, silver, copper, iron, lead and the like, the heavy metal pollution is different from the pollution of other organic compounds, and a plurality of organic compounds can reduce or eliminate the harmfulness through the physical, chemical or biological purification of the nature, while the heavy metals have the enrichment property and are difficult to degrade in the environment.

However, there are some disadvantages in the conventional using process, such as:

current heavy metal contaminated soil screening equipment is at the in-process of screening, and soil has formed great clod a bit, is unfavorable for the vibrations screening of soil to soil moisture forms the group easily, and will filter the hole jam, reduces screening efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy metal contaminated soil screening equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a box body; the pressurizing mechanism comprises an air heater and a conveying pipe, the air heater is fixedly welded on the outer wall of one side of the box body, and the conveying pipe is fixedly installed at the air outlet end of the air heater; the discharging pipe is rotatably inserted at the bottom of the box body; the top of the feeding pipe is fixedly welded with a filter cylinder; the driving mechanism is fixedly arranged on the surface of the discharging pipe and positioned outside the box body; the crushing mechanism comprises a rotating shaft and stirring rods, the rotating shaft is fixedly inserted in the middle of the top of the box body, the top of the rotating shaft is fixedly inserted with one end of the conveying pipe, the bottom of the rotating shaft penetrates through the top of the filter cartridge and extends into the filter cartridge, and a plurality of stirring rods are fixedly welded on two sides of the rotating shaft extending into the filter cartridge; the air outlet is formed in one side of the bottom of the side wall of each of the two sides of the stirring rod.

The driving mechanism comprises a driven wheel, a driving wheel and a motor, the surface of the discharging pipe and the outer part of the box body are fixedly sleeved with the driven wheel, the motor is fixedly mounted on the surface of the bottom of the box body and on one side far away from the discharging pipe through a support, the driving wheel is fixedly sleeved on an output shaft of the motor, and the driving wheel is meshed with the driven wheel.

The filter cartridge is of a cylinder structure with an opening at one end and a closed end and a containing cavity, and the rotating shaft is of a cylinder structure with a containing cavity.

And a valve is fixedly arranged in the blanking pipe and positioned in the box body.

The two sides of the rotating shaft, which are positioned inside the filter cartridge, are fixedly welded with scrapers through connecting pipes.

The air outlet is obliquely upward, and a filter screen is fixedly welded in the air outlet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the inside of cartridge filter is poured into to the soil that will need the screening through the feeder hopper at box top, starter motor, make the motor drive the action wheel and rotate, the action wheel drives from the driving wheel rotation, it rotates to drive the unloading pipe from the driving wheel, the unloading pipe drives the cartridge filter rotation, the inside soil piece of cartridge filter in pivoted in-process can collide with the stirring rod, can be with the continuous piece of breaking of the soil that becomes the piece, up to the soil of the granule size that accords with, then soil can be followed the filtration pore of straining on cartridge filter surface under the effect of centrifugal force and thrown away, with the inside of stone granule interception at the cartridge filter, the screening finishes the back, can open the valve, make the stone of the inside interception of cartridge filter come out from the unloading pipe, improve the effect and the efficiency of screening.

2. Can start the air heater in starter motor, the inside through conveyer pipe axis of rotation after the air heater heats the inside of outside air suction air heater, then is spouting through the venthole, the spun hot-air not only can be with soil will be dried, the effectual problem of avoiding soil moisture caking to block up the filtration pore, can also effectually increase the inside soil of cartridge filter and the collision number of times of stirring rod, further improve soil crushing efficiency to further improve screening efficiency and effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1-a box body; 2-a pressurizing mechanism; 21-a hot air blower; 22-a delivery pipe; 3-a crushing mechanism; 31-a rotating shaft; 32-a stirring rod; 33-a scraper; 4-a blanking pipe; 5-a drive mechanism; 51-driven wheel; 52-driving wheel; 53-an electric motor; 6-air outlet holes; 7-a filter screen; 8-filter cartridge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: comprises a box body 1; the pressurizing mechanism 2 comprises an air heater 21 and a conveying pipe 22, the air heater 21 is fixedly welded on the outer wall of one side of the box body 1, and the conveying pipe 22 is fixedly installed at the air outlet end of the air heater 21; the discharging pipe 4 is rotatably inserted at the bottom of the box body 1; the filter cartridge 8 is fixedly welded at the top of the feeding pipe 4; the driving mechanism 5 is fixedly arranged on the surface of the blanking pipe 4 and positioned outside the box body 1; the crushing mechanism 3 comprises a rotating shaft 31 and stirring rods 32, the rotating shaft 31 is fixedly inserted in the center of the top of the box body 1, the top of the rotating shaft 31 is fixedly inserted in one end of the conveying pipe 22, the bottom of the rotating shaft 31 penetrates through the top of the filter cylinder 8 and extends into the filter cylinder 8, and a plurality of stirring rods 32 are fixedly welded on two sides of the rotating shaft 31 extending into the filter cylinder 8; and air outlet holes 6 are formed in one side of the bottom of the side walls of the two sides of the stirring rod 32.

The driving mechanism 5 comprises a driven wheel 51, a driving wheel 52 and a motor 53, the driven wheel 51 is fixedly sleeved on the surface of the discharging pipe 4 and located outside the box body 1, the motor 53 is fixedly installed on the bottom surface of the box body 1 and one side far away from the discharging pipe 4 through a support, the driving wheel 52 is fixedly sleeved on an output shaft of the motor 53, the driving wheel 52 is meshed with the driven wheel 51, the motor 53 drives the driving wheel 52 to rotate, the driving wheel 52 drives the driven wheel 51 to rotate, and the driven wheel drives the discharging pipe 4 to rotate.

Wherein, cartridge filter 8 adopts the structure that has the cylinder that holds the cavity that one end opening one end is closed, axis of rotation 31 adopts the structure that has the cylinder that holds the cavity, is convenient for pour soil into cartridge filter 8's inside through the feeder hopper that box 1 top set up, and axis of rotation 31 can carry the hot-air.

Wherein, the inside of unloading pipe 4 is located the inside fixed mounting of box 1 and has the valve, avoids the inside soil of cartridge filter 8 to flow out from unloading pipe 4.

Wherein, the both sides that axis of rotation 31 is located cartridge filter 8 inside all have scraper blade 33 through connecting pipe fixed weld, can strike off cartridge filter 8 inner wall surface adnexed soil.

The air outlet 6 is arranged in an inclined upward direction, the filter screen 7 is fixedly welded in the air outlet 6, and soil is prevented from entering the rotating shaft 31 through the air outlet 6 to block the rotating shaft 31.

The working principle is as follows: the blanking pipe 4 is made of stainless steel, when in use, soil to be screened is poured into the filter cylinder 8 through the feed hopper at the top of the box body 1, the motor 53 is started, the motor 53 drives the driving wheel 52 to rotate, the driving wheel 52 drives the driven wheel 51 to rotate, the driven wheel 51 drives the blanking pipe 4 to rotate, the blanking pipe 4 drives the filter cylinder 8 to rotate, soil blocks in the filter cylinder 8 can collide with the stirring rod 32 in the rotating process, the agglomerated soil can be broken continuously until the soil meets the particle size, then the soil can be thrown out from the filter holes in the surface of the filter cylinder 8 under the action of centrifugal force, stone particles are intercepted in the filter cylinder 8, after screening is finished, the valve can be opened, stones intercepted in the filter cylinder 8 can come out from the blanking pipe 4, the screening effect and efficiency are improved, the hot air blower 21 can be started while the motor 53 is started, inside through conveyer pipe 22 conveyer pipe axis of rotation 31 behind the internal heating of air heater 21 with outside air suction air heater 21, then being spout through venthole 6, spun hot-air not only can be with soil will be dried, the effectual problem of having avoided soil moisture caking to block up the filtration pore, can also effectually increase the inside soil of cartridge filter 8 and the collision number of times of stirring rod 32, further improve soil crushing efficiency to further improve screening efficiency and effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heavy metal contaminated soil screening equipment which characterized in that includes:

a box body (1);

the pressurizing mechanism (2) comprises an air heater (21) and a conveying pipe (22), the air heater (21) is fixedly welded on the outer wall of one side of the box body (1), and the conveying pipe (22) is fixedly installed at the air outlet end of the air heater (21);

the discharging pipe (4) is rotatably inserted into the bottom of the box body (1);

the top of the feeding pipe (4) is fixedly welded with the filter cylinder (8);

the driving mechanism (5) is fixedly arranged on the surface of the blanking pipe (4) and positioned outside the box body (1);

the crushing mechanism (3) comprises a rotating shaft (31) and stirring rods (32), the rotating shaft (31) is fixedly inserted in the center of the top of the box body (1), the top of the rotating shaft (31) is fixedly inserted in one end of the conveying pipe (22), the bottom of the rotating shaft (31) penetrates through the top of the filter cylinder (8) and extends into the filter cylinder (8), and a plurality of stirring rods (32) are fixedly welded on two sides of the rotating shaft (31) extending into the filter cylinder (8);

the gas outlet holes (6) are formed in one side of the bottom of the side walls of the two sides of the stirring rod (32).

2. The heavy metal contaminated soil screening apparatus of claim 1, wherein: the driving mechanism (5) comprises a driven wheel (51), a driving wheel (52) and a motor (53), the driven wheel (51) is fixedly sleeved on the surface of the discharging pipe (4) and located outside the box body (1), the motor (53) is fixedly installed on the bottom surface of the box body (1) and far away from one side of the discharging pipe (4) through a support, the driving wheel (52) is fixedly sleeved on an output shaft of the motor (53), and the driving wheel (52) is meshed with the driven wheel (51).

3. The heavy metal contaminated soil screening apparatus of claim 1, wherein: the filter cartridge (8) is in a cylindrical structure with an accommodating cavity and an opening at one end, and the rotating shaft (31) is in a cylindrical structure with an accommodating cavity.

4. The heavy metal contaminated soil screening apparatus of claim 1, wherein: and a valve is fixedly arranged in the blanking pipe (4) and positioned in the box body (1).

5. The heavy metal contaminated soil screening apparatus of claim 1, wherein: the two sides of the rotating shaft (31) positioned inside the filter cylinder (8) are fixedly welded with scrapers (33) through connecting pipes.

6. The heavy metal contaminated soil screening apparatus of claim 1, wherein: the air outlet hole (6) is arranged in an inclined upward direction, and a filter screen (7) is fixedly welded in the air outlet hole (6).