CN114939525A

CN114939525A - Gravity type soil screening plant for soil remediation

Info

Publication number: CN114939525A
Application number: CN202210063627.6A
Authority: CN
Inventors: 郭鑫年; 司海丽; 许泽华; 李百云; 周涛
Original assignee: Agricultural Resource And Environment Institute Ningxia Academy Of Agricultural And Forestry Sciences (ningxia Soil And Plant Nutrition Key Laboratory)
Current assignee: Agricultural Resource And Environment Institute Ningxia Academy Of Agricultural And Forestry Sciences (ningxia Soil And Plant Nutrition Key Laboratory)
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-26
Anticipated expiration: 2042-01-20
Also published as: CN114939525B

Abstract

The invention discloses a gravity type soil screening device for soil restoration, which comprises: the plug-in type solar water heater comprises a shell, wherein plug-in columns are symmetrically arranged on the front side surface and the rear side surface of the shell; a feed hopper mounted on a top surface of the housing; the base is fixedly provided with a supporting frame; the first screening mechanism, the second screening mechanism and the third screening mechanism are arranged in the shell in parallel from top to bottom; the fixing frame is embedded with fixing rods, and triangular rods are connected between the fixing rods; and the mounting frame is fixed on the inner wall of the shell. This gravity type soil screening plant for soil restoration utilizes dead lever, triangular rod and movable rod to constitute the sieve mesh jointly, and dead lever and triangular rod are motionless, and the movable rod reciprocates, realizes releasing the soil particle of the jam in the sieve mesh, guarantees that the sieve mesh takes place the jam problem, guarantees the screening efficiency of soil, utilizes convex movable rod interception soil, increases the dwell time of soil on screening mechanism, helps improving the screening quality.

Description

Gravity type soil screening plant for soil remediation

Technical Field

The invention relates to the technical field related to soil remediation equipment, in particular to a gravity type soil screening device for soil remediation.

Background

With the continuous acceleration of the industrialization process, unreasonable mining and smelting discharge of mineral resources, sewage irrigation and sludge application to soil for a long time, atmospheric sedimentation caused by artificial activities, application of chemical fertilizers and pesticides and other reasons cause serious soil pollution, and the soil pollution in China threatens the sustainable utilization of land resources and the ecological safety of agricultural products.

Soil remediation refers to transferring, absorbing, degrading and converting pollutants in soil to reduce the concentration of the pollutants to an acceptable level or converting toxic and harmful pollutants into harmless substances by using physical, chemical and biological methods, and soil is easy to block sieve pores due to the aggregation of soil caused by the adhesion force among soil particles in the soil screening process, so that the normal operation of soil screening is influenced.

Chinese patent that current publication number is CN111715509A discloses a gravity type soil screening plant for soil remediation, this technical scheme utilizes the fixed plate drive of up-and-down motion to prevent in the sieve mesh that stifled needle got into the screen cloth, realize the effect of mediation sieve mesh, but when preventing stifled needle when thin, the soil at sieve mesh edge can't be clear away, it is relatively poor to lead to the mediation effect, when preventing stifled needle size and being close the sieve mesh, prevent stifled needle and push away partial upper material lower floor easily, thereby influence the screening effect, and prevent stifled needle and collide with the hard thing in the sieve material easily, lead to needle body bending deformation.

Disclosure of Invention

The invention provides a gravity type soil screening device for soil remediation, which aims to make up for market gaps.

The invention aims to provide a gravity type soil screening device for soil remediation, which solves the problems that when an anti-blocking needle is too thin, soil at the edge of a sieve pore cannot be removed, so that the dredging effect is poor, when the size of the anti-blocking needle is close to that of the sieve pore, part of upper-layer materials are easily pushed into a lower layer by the anti-blocking needle, so that the screening effect is influenced, and the anti-blocking needle is easily collided with hard objects in the sieve materials, so that a needle body is bent and deformed.

In order to achieve the purpose, the invention provides the following technical scheme: a gravity soil screening device for soil remediation, comprising:

the front side surface and the rear side surface of the shell are symmetrically provided with inserting columns which penetrate through the top of the connecting frame;

the feeding hopper is arranged on the top surface of the shell, and a disperser is arranged in the feeding hopper;

the base is fixedly provided with a support frame, and the top end of the support frame is connected with the bottom end of the connecting frame;

the vibrator is arranged in the middle of the outer side surface of the shell and is connected with the second motor through a transmission belt;

the first screening mechanism, the second screening mechanism and the third screening mechanism are arranged in the shell in parallel from top to bottom, and the upper end and the lower end of the first screening mechanism, the upper end of the second screening mechanism and the upper end of the third screening mechanism are respectively provided with an insert block and a stop block;

the fixing frame is embedded with fixing rods, a triangular rod is connected between the fixing rods, and a groove is formed right below the triangular rod;

the mounting bracket is fixed on the inner wall of the shell, a connecting rod is connected between the mounting brackets, a guide rod is inserted on the connecting rod, and the upper end and the lower end of the guide rod are respectively connected with the movable rod and the electromagnetic block.

Further, insert the post with between the support frame the cover is equipped with first spring on the link, highly different with two support frames of one side, the casing is the slope form that the height is high on the low right side in a left side, right end mouth department of casing is provided with the stock guide, the stock guide is used for deriving the sieve material.

Furthermore, install first motor on the leading flank of feeder hopper, first motor is used for driving the deconcentrator rotates, the bottom of feeder hopper with the casing is linked together.

Further, first screening mechanism second screening mechanism with the component structure of third screening mechanism is the same, first screening mechanism include fixed frame with the mounting bracket, first screening mechanism second screening mechanism with sieve mesh size in the third screening mechanism reduces gradually.

Furthermore, the fixed frame is rectangular square frame, the long edge of the fixed frame is placed on the mounting frame, the short edge of the fixed frame is respectively inserted into the insertion block and the stop block, the insertion blocks are arranged on the right side wall of the shell at equal intervals, and the stop block is arranged on the guide plate.

Further, the dead lever with the triangle pole mutually perpendicular, the dead lever with the movable rod is parallel to each other, dead lever, triangle pole and movable rod form jointly the sieve mesh, the height of dead lever is less than the height of movable rod, the dead lever with the top surface of triangle pole flushes mutually, seted up on the top surface of movable rod the recess.

Further, the triangular prism is regular triangular prism structure, the pointed end of triangular prism is placed down, the triangular prism gets into the recess, the both ends of movable rod run through along vertical direction the long limit of fixed frame.

Further, the cross-section of mounting bracket is the U font structure, and the interpolation of U-shaped inslot has connect the connecting rod, the connecting rod with the movable rod one-to-one, the guide bar runs through the connecting rod, the cover is equipped with the second spring on the guide bar of connecting rod below.

Compared with the prior art, the invention has the beneficial effects that: the gravity type soil screening device for soil restoration is reasonable in structure arrangement, the fixed rod, the triangular rod and the movable rod are utilized to jointly form a screen hole, the fixed rod and the triangular rod are fixed, the movable rod moves up and down to push out blocked soil particles in the screen hole, the problem that the screen hole is blocked is guaranteed, the screening efficiency of soil is guaranteed, the protruded movable rod is utilized to intercept the soil, the retention time of the soil on the screening mechanism is prolonged, and the screening quality is improved by matching with a feed hopper with a disperser to carry out uniform feeding;

1. three parallel screening mechanisms are arranged in the equipment, and the sizes of the screen holes are gradually reduced, so that the soil can be conveniently and thoroughly screened, and the screening quality is improved;

2. the fixed rods and the movable rods are positioned by the fixed frame, so that the sieve holes are conveniently assembled, the sizes and specifications of the sieve holes are kept consistent, and screening treatment is conveniently carried out;

3. the insert block and the stop block are arranged inside the shell and used for fixing the screening mechanism and enhancing the mounting firmness of the screening mechanism.

Drawings

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

FIG. 2 is a schematic sectional elevation view of the structure of the present invention;

FIG. 3 is an enlarged view at A of FIG. 2 of the structure of the present invention;

FIG. 4 is a schematic side cross-sectional view of the structure of the present invention;

FIG. 5 is a side elevation, cross-sectional, expanded view of the structure of the present invention;

FIG. 6 is an enlarged partial schematic view of a first screening mechanism of the construction of the present invention;

fig. 7 is a schematic top view of a first sifting mechanism of the present invention.

In the figure: 1. a housing; 2. a feed hopper; 3. a base; 4. a vibrator; 5. a first screening mechanism; 6. a second screening mechanism; 7. a third screening mechanism; 8. a fixing frame; 9. a mounting frame; 11. inserting a column; 12. a material guide plate; 13. inserting a block; 14. a stopper; 21. a first motor; 22. a disperser; 31. a support frame; 32. a first spring; 33. a connecting frame; 41. a second motor; 81. a fixing rod; 82. a triangular rod; 83. a movable rod; 84. screening holes; 85. a groove; 91. a connecting rod; 92. a guide bar; 93. an electromagnetic block; 94. a second spring.

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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first specific implementation way is as follows: referring to fig. 1-7, the present invention provides a technical solution: a gravity soil screening device for soil remediation, comprising:

the shell 1 is provided with inserting columns 11 symmetrically on the front side surface and the rear side surface of the shell 1, and the inserting columns 11 penetrate through the top of the connecting frame 33;

a feed hopper 2 installed on the top surface of the housing 1, the feed hopper 2 having a disperser 22 installed therein;

the base 3, the support frame 31 is fixed on the base 3, and the top end of the support frame 31 is connected with the bottom end of the connecting frame 33;

the vibrator 4 is arranged in the middle of the outer side surface of the shell 1, and the vibrator 4 is connected with a second motor 41 through a transmission belt;

the first screening mechanism 5, the second screening mechanism 6 and the third screening mechanism 7 are arranged in the shell 1 in parallel from top to bottom, and the upper end and the lower end of the first screening mechanism 5, the upper end and the lower end of the second screening mechanism 6 and the upper end and the lower end of the third screening mechanism 7 are respectively provided with an insert block 13 and a stop block 14;

the fixing frame 8 is characterized in that fixing rods 81 are embedded in the fixing frame 8, triangular rods 82 are connected between the fixing rods 81, and grooves 85 are formed right below the triangular rods 82;

the mounting frames 9 are fixed on the inner wall of the shell 1, connecting rods 91 are connected between the mounting frames 9, guide rods 92 are inserted into the connecting rods 91, and the upper ends and the lower ends of the guide rods 92 are respectively connected with the movable rods 83 and the electromagnetic blocks 93.

When the gravity type soil screening device for soil remediation is used, soil to be screened is conveyed to the feed hopper 2, the first motor 21 drives the disperser 22 to rotate at a constant speed, the soil is uniformly sprinkled on the first screening mechanism 5, the second motor 41 drives the vibrator 4 to operate through the transmission belt, the shell 1 vibrates, the soil slides along the inclined direction of the first screening mechanism 5, when the soil flows through the sieve holes 84, small-sized materials pass through the sieve holes 84 and reach the second screening mechanism 6, larger-sized materials are still on the line of the first screening mechanism 5 until the larger-sized materials slide on the guide plate 12, the materials on the second screening mechanism 6 operate on the same way, so that the soil screening effect is realized, when the sieve holes 84 are blocked, the electromagnetic block 93 is electrified to generate magnetic force, the electromagnetic block 93 is upwards attracted with the connecting rod 91, the electromagnetic block 93 pushes the movable rod 83 to move upwards through the guide rod 92, the movable rod 83 pushes the soil in the sieve holes 84 upwards, the normal operation of screening mechanism is guaranteed, and the movable rod 83 after the arch is higher than the surface of screening mechanism simultaneously, intercepts the soil on the screening mechanism, prolongs the dwell time of soil, improves screening quality.

The second embodiment is as follows: the first embodiment is further limited to the first embodiment, as shown in fig. 1 and fig. 2, a first spring 32 is sleeved on a connecting frame 33 between the insert column 11 and the support frame 31, the two support frames 31 at the same side have different heights, the housing 1 is in an inclined shape with a lower left and a higher right, a material guide plate 12 is arranged at a right port of the housing 1, the material guide plate 12 is used for guiding out the screened materials, the support frames 31 at different heights enable the housing 1 to be in an inclined state, the materials on the screening mechanism to move under the action of gravity conveniently, and the first spring 32 is used for damping and buffering, so that the influence of vibration on the support structure is reduced.

The third concrete implementation mode: this embodiment is the further restriction of embodiment one, as shown in fig. 1 and fig. 2, install first motor 21 on the leading flank of feeder hopper 2, first motor 21 is used for driving deconcentrator 22 and rotates, and the bottom and the casing 1 of feeder hopper 2 are linked together, through the rotational speed of adjusting first motor 21, realize adjusting the feeding speed, avoid the material on the screening mechanism to pile up the excessive thickness, guarantee the screening quality.

The fourth concrete implementation mode: the first embodiment is further limited by the first embodiment, the first screening mechanism 5, the second screening mechanism 6 and the third screening mechanism 7 are identical in composition structure, the first screening mechanism 5 comprises a fixing frame 8 and a mounting frame 9, the sizes of the screen holes 84 on the first screening mechanism 5, the second screening mechanism 6 and the third screening mechanism 7 are gradually reduced, and a multi-stage screening mechanism is arranged, so that soil is screened more thoroughly, and screened products are prevented from being mixed.

The fifth concrete implementation mode: the first embodiment is further limited to the first embodiment, as shown in fig. 4, 6 and 7, the fixing frame 8 is rectangular and square, the long side of the fixing frame 8 is placed on the mounting frame 9, the short side of the fixing frame 8 is respectively inserted into the insertion block 13 and the stop block 14, the insertion block 13 is equidistantly arranged on the right side wall of the housing 1, the stop block 14 is installed on the material guide plate 12, the fixing frame 8 is fixedly connected with the fixing rod 81, the fixing rod 81 is connected with the triangular rod 82, the movable rod 83 penetrates through the fixing frame 8, and the sieve holes 84 are prevented from being affected by the deviation generated during the up-and-down movement.

The sixth specific implementation mode: this embodiment is that concrete embodiment one further prescribes a limit, dead lever 81 and triangle pole 82 mutually perpendicular, dead lever 81 and movable rod 83 are parallel to each other, dead lever 81, triangle pole 82 and movable rod 83 form sieve mesh 84 jointly, the height that highly is less than movable rod 83 of dead lever 81, the top surface of dead lever 81 and triangle pole 82 flushes mutually, recess 85 has been seted up on the top surface of movable rod 83, under the initial condition, dead lever 81, the upper surface of triangle pole 82 and movable rod 83 flushes, make things convenient for the material to follow screening mechanism surface sliding, when the movable rod 83 shifts up the protruding screening mechanism surface, the bulge obtains movable rod 83 and has the interception effect to the material, thereby increase the dwell time of material, avoid the too fast screening effect of influence of material sliding speed.

The seventh embodiment: this embodiment is six further inject of specific embodiment, and triangular rod 82 is regular triangular prism structure, and triangular rod 82's most advanced is placed down, and triangular rod 82 gets into recess 85, and the long limit of fixed frame 8 is run through along vertical direction in the both ends of movable rod 83, and during the movable rod 83 motion, the relative movable rod 83 downstream of triangular rod 82 clears up recess 85, reduces the soil residue on the screening mechanism.

The specific implementation mode is eight: this embodiment is the further restriction of embodiment one, as shown in fig. 4 and 5, the cross-section of mounting bracket 9 is a U-shaped structure, and there is connecting rod 91 in the U-shaped groove, connecting rod 91 and movable rod 83 one-to-one, and guide rod 92 runs through connecting rod 91, and the cover is equipped with second spring 94 on the guide rod 92 of connecting rod 91 below, and mounting bracket 9 mainly is used for supporting fixed frame 8, and connecting rod 91 and electromagnetic block 93 are adsorbable together to realize the effect of lifting movable rod 83.

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. A gravity type soil screening plant for soil remediation, comprising:

the shell body (1), the front side surface and the rear side surface of the shell body (1) are symmetrically provided with inserting columns (11), and the inserting columns (11) penetrate through the top of the connecting frame (33);

the feeding hopper (2) is arranged on the top surface of the shell (1), and a disperser (22) is arranged in the feeding hopper (2);

the base (3) is fixedly provided with a support frame (31), and the top end of the support frame (31) is connected with the bottom end of the connecting frame (33);

the vibrator (4) is arranged in the middle of the outer side surface of the shell (1), and the vibrator (4) is connected with a second motor (41) through a transmission belt;

the first screening mechanism (5), the second screening mechanism (6) and the third screening mechanism (7) are arranged in the shell (1) in parallel from top to bottom, and the upper end and the lower end of the first screening mechanism (5), the upper end and the lower end of the second screening mechanism (6) and the upper end and the lower end of the third screening mechanism (7) are respectively provided with an insert block (13) and a stop block (14);

the fixing frame (8) is embedded with fixing rods (81), triangular rods (82) are connected between the fixing rods (81), and grooves (85) are formed right below the triangular rods (82);

mounting bracket (9) are fixed on the inner wall of casing (1), be connected with connecting rod (91) between mounting bracket (9), the cartridge has guide bar (92) on connecting rod (91), movable rod (83) and electromagnetic block (93) are connected respectively to the upper and lower both ends of guide bar (92).

2. A gravity soil screening device for soil remediation according to claim 1 wherein: insert post (11) with between support frame (31) link (33) go up the cover and are equipped with first spring (32), the height difference of two support frames (31) with one side, casing (1) is the slope form of low right side height in a left side, the right end mouth department of casing (1) is provided with stock guide (12), stock guide (12) are used for deriving the sieve material.

3. A gravity soil screening device for soil remediation according to claim 1 wherein: install first motor (21) on the leading flank of feeder hopper (2), first motor (21) are used for driving deconcentrator (22) rotate, the bottom of feeder hopper (2) with casing (1) is linked together.

4. A gravity soil screening device for soil remediation according to claim 1 wherein: first screening mechanism (5) second screening mechanism (6) with the component structure of third screening mechanism (7) is the same, first screening mechanism (5) include fixed frame (8) with mounting bracket (9), first screening mechanism (5) second screening mechanism (6) with sieve mesh (84) size on third screening mechanism (7) dwindles gradually.

5. A gravity soil screening device for soil remediation according to claim 1 wherein: the fixed frame (8) is rectangular and square, the long edge of the fixed frame (8) is placed on the mounting frame (9), the short edge of the fixed frame (8) is respectively connected with the insert block (13) and the stop block (14) in an inserting mode, the insert block (13) is arranged on the right side wall of the shell (1) at equal intervals, and the stop block (14) is arranged on the guide plate (12).

6. A gravity soil screening device for soil remediation according to claim 1 further comprising: dead lever (81) with triangle-shaped pole (82) mutually perpendicular, dead lever (81) with movable rod (83) are parallel to each other, dead lever (81), triangle-shaped pole (82) and movable rod (83) form jointly sieve pore (84), the height of dead lever (81) is less than the height of movable rod (83), dead lever (81) with the top surface of triangle-shaped pole (82) flushes mutually, seted up on the top surface of movable rod (83) recess (85).

7. A gravity soil screening device for soil remediation according to claim 6 wherein: triangle pole (82) are regular triangular prism structure, the pointed end of triangle pole (82) is placed down, triangle pole (82) get into recess (85), the both ends of movable rod (83) run through along vertical direction the long limit of fixed frame (8).

8. A gravity soil screening device for soil remediation according to claim 1 wherein: the cross-section of mounting bracket (9) is U font structure, and has connect in the U-shaped inslot connecting rod (91), connecting rod (91) with movable rod (83) one-to-one, guide bar (92) run through connecting rod (91), the cover is equipped with second spring (94) on guide bar (92) of connecting rod (91) below.