CN111495964A

CN111495964A - Soil remediation bioreactor

Info

Publication number: CN111495964A
Application number: CN202010346695.4A
Authority: CN
Inventors: 陈明春
Original assignee: Heze Fuchuang Pharmaceutical Technology Co ltd
Current assignee: Hainan University
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-08-07
Anticipated expiration: 2040-04-28
Also published as: CN111495964B

Abstract

The invention discloses a soil remediation bioreactor, which structurally comprises a feed belt, a remediation box, a turbine and a nutrient solution tank, wherein the top of the feed belt is attached to the side surface of the remediation box, when the soil remediation work begins, the feed belt runs, soil to be remediated is put into a primary sieving disc for pre-sieving, large-particle impurities such as stones are sieved out, a slurry mixing cylinder is prevented from being damaged, then the sieved soil enters the slurry mixing cylinder for waiting for slurry mixing work and is subjected to filling treatment along the filling process, when a roller is mixed, a grinding pipe rotates along the rotation direction of the roller due to inertia, the internal slurry is ground, the soil and mixed liquid are uniformly mixed, the fine slurry is filtered out by a sieve mesh, the surface slurry is secondarily mixed by vibration generated by the external running of an inner pad, the grinding pipes are connected in pairs through connecting rods, so that inner containers keep the same rotation speed in the running process, avoid over-grinding to cause soil particle pulverization.

Description

Soil remediation bioreactor

Technical Field

The invention belongs to the field of bioreactors, and particularly relates to a soil remediation bioreactor.

Background

The soil remediation bioreactor is a bioreactor which is prepared by mixing polluted soil and water in proportion, putting the mixture into a reactor, generally placing the mixture on the spot, utilizing an instrument for absorbing, degrading and converting pollutants in the reactor by microorganisms, selecting strains according to the pollutants, and having a long treatment period, wherein in the actual treatment process, the strains and the soil are required to be fully mixed and reacted by stirring and spraying to ensure that the treated strains are propagated to form a biofilm, and the pollutant concentration is further reduced by circulating treatment, based on the discovery of the inventor, the existing bioreactor mainly has the following defects, such as:

because of the long treatment period, and generally placed on the spot, when the reactor grinds the circulating filtration polluted soil in the internal mixing drum, the excessively fine soil is favorable for microbial reaction, but colloidal particles in the soil are easily influenced by seepage water in fine soil, and nutrient components are easily lost to the underground layer after treatment is finished, so that the underground layer is acidified or the underground river is polluted.

Disclosure of Invention

In order to solve the problems that when the reactor is used for grinding and circularly filtering polluted soil in the internal mixing roller, the excessively fine soil is favorable for microbial reaction, colloidal particles in the soil are easily leached out in the fine soil due to the influence of seepage water, and nutritional components are easily lost to a underground layer after treatment is finished, so that the underground layer is acidified or underground river is polluted.

The invention relates to a soil remediation bioreactor, which is realized by the following specific technical means: the structure of the device comprises a feed belt, a repairing box, a turbine and a nutrient solution tank, wherein the top of the feed belt is mounted on the side of the repairing box in a fitting manner, the side of the repairing box is connected with a pipeline on the side of the turbine, the middle section of the nutrient solution tank is connected with a pipeline on the top of the repairing box, the middle section of the nutrient solution tank is connected with a pipeline on the side of the turbine, the repairing box is provided with a primary screen disc, a slurry mixing cylinder, a reaction tank, a winch, a water pump and a discharge belt, the side of the primary screen disc is connected with the side of the slurry mixing cylinder in a flange manner, the other side of the slurry mixing cylinder is connected with the side of the reaction tank in a flange manner, the bottom of the reaction tank is fixedly connected with the side of the discharge belt in a fitting manner, the side of the water pump is connected with a pipeline on the side of the winch, the top of the discharge belt is mounted on the bottom of the winch in a, the inclined plane of the discharging belt and the ground are of a thirty-degree inclined structure.

As a further improvement of the invention, the slurry mixing cylinder is provided with a liquid conveying pipe, a roller, a chain and a base, the section of the liquid conveying pipe is communicated with the center of the roller, the side surface of the roller is in transmission fit with the inner side of the chain, the lower end of the chain is in transmission fit with the base, the inner side of the base is movably clamped with the two sides of the roller, the section of the liquid conveying pipe is connected with a middle flange of the nutrient solution tank, the roller and the liquid conveying pipe are in a central symmetry structure, and the inclined planes of the two sides of the base.

As a further improvement of the invention, the winch is provided with a support, a winch, a motor, a hinge, a rotating shaft and a compression tank, wherein the side surface of the support is matched with a through hole of the cambered surface of the rotating shaft, the inner side of the winch is rotationally clamped with the outer arc of the rotating shaft, the motor is fixedly embedded in the support and is in transmission fit with the rotating shaft, the inner side of the hinge is in transmission fit with the rotating shaft, the top end of the compression tank is movably clamped with the lower end of the hinge, the support is provided with two parallel distribution structures, and the rotating shaft is provided with three parallel distribution structures.

As a further improvement of the invention, the roller is provided with water outlet holes, grinding pipes, stirring rods and connecting rods, the inner walls of the water outlet holes are communicated with the inner walls of the stirring rods, the outer walls of the grinding pipes are movably matched with the inner walls of the roller, the centers of two sides of the stirring rods are communicated with two sides of the roller, two sides of the connecting rods are communicated with the side surfaces of the grinding pipes, the grinding pipes are provided with four rows and are distributed in a bilaterally symmetrical mode, and the water outlet holes are provided with four rows and are symmetrical along the centers of the stirring rods.

As a further improvement of the invention, the compression tank is provided with a rolling shaft, a hanging rod, a chain wheel, a water pumping port and an auxiliary hanging rod, the cambered surface of the rolling shaft is communicated with the side surface of the compression tank, the bottom protrusion of the hanging rod is in sliding clamping with the groove at the top of the compression tank, the cross section of the chain wheel is in nested connection with the side wall of the compression tank, the inner wall of the water pumping port is communicated with the surface wall of the compression tank, the top of the auxiliary hanging rod is in welding connection with the compression tank, the top of the auxiliary hanging rod is movably clamped with the lower end of a chain, an included angle between the auxiliary hanging rod and the hanging rod is of a thirty-.

As a further improvement of the invention, the grinding pipe is provided with an inner pad, an inner container, sieve pores and a connecting port, the outer surface of the inner pad is movably matched with the inner surface of the inner container, the outer surface of the inner container is nested and connected with the inner wall of the grinding pipe, the centers of the sieve pores are communicated with the surface wall of the inner container, the side wall of the connecting port is matched with a through hole at the bottom of the inner container, the side wall of the connecting port is nested and connected with the side surface of a connecting rod, the sieve pores are symmetrically distributed in a left-right mode, and the surface of.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. the nutrient solution in the nutrient solution tank is input into the roller through a liquid conveying pipe, and enters the roller along the water outlet hole, the roller is driven by the hinge to rotate, the internal soil and the nutrient solution thrown out from the center of the stirring rod are mixed into slurry, the slurry is scattered and screened along the rotation of the cylinder wall through the grinding pipe, the follow-up biological reaction is facilitated, the slurry is conducted into the reaction tank through a pipeline after the mixing is completed and is subjected to biological reaction with the strain to reduce pollution, after the reaction is completed, the repaired soil is output from the pipeline at the bottom of the reaction tank, the rotating shaft is driven to rotate along the winch through the chain, the dental disc is closed towards the middle part along the rolling shaft, the repaired soil is stored and completed, a water pump is started to absorb penetrating fluid from the water pumping port, the compression tank loses water and shrinks into blocks, the penetrating fluid is prevented from carrying the internal colloidal.

2. When the cylinder mixes, the grinding pipe rotates along cylinder direction of rotation because of inertia, grinds inside mud, is favorable to soil and mixed liquid homogeneous mixing, and the sieve mesh filters out thinner mud to the vibrations that produce under the operation outside through interior pad carry out the secondary to surperficial mud and mix, and the connecting rod passes through the connector and will grind two liang of connections of pipe, makes the inner bag keep the same rotational speed in the operation, avoids excessively grinding to lead to the soil particle powderization.

Drawings

FIG. 1 is a schematic diagram of a soil remediation bioreactor of the present invention.

Fig. 2 is a schematic structural diagram of a repair box according to the present invention.

FIG. 3 is a schematic structural view of a slurry mixing barrel according to the present invention.

Fig. 4 is a schematic structural diagram of a stranding machine according to the present invention.

Fig. 5 is a schematic structural diagram of a roller according to the present invention.

Fig. 6 is a schematic structural view of a compression tank of the present invention.

FIG. 7 is a schematic view of a grinding pipe according to the present invention.

In the figure: a feeding belt-1, a repair box-2, a turbine-3, a nutrient solution tank-4, a primary sieve tray-21, a slurry mixing cylinder-22, a reaction tank-23, a winch-24, a water pump-25, a discharging belt-26, a liquid conveying pipe-221, a roller-222, a chain-223, a base-224, a bracket-241, a winch-242 and a motor-243, hinge-244, rotating shaft-245, compression tank-246, water outlet-22 a, grinding pipe-22 b, stirring rod-22 c, connecting rod-22 d, roller-46 a, suspender-46 b, chain wheel-46 c, water pumping port-46 d, auxiliary suspender-46 e, inner pad-h 1, inner container-h 2, sieve hole-h 3 and connecting port-h 4.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example 1:

as shown in figures 1 to 6:

the invention provides a soil remediation bioreactor which structurally comprises a feed belt 1, a remediation box 2, a turbine 3 and a nutrient solution tank 4, wherein the top of the feed belt 1 is attached to the side surface of the remediation box 2, the side surface of the remediation box 2 is connected with a pipeline on the side surface of the turbine 3, the middle section of the nutrient solution tank 4 is connected with a pipeline on the top of the remediation box 2, the middle section of the nutrient solution tank 4 is connected with a pipeline on the top of the turbine 3, the remediation box 2 is provided with a primary sieve tray 21, a slurry mixing cylinder 22, a reaction tank 23, a winch 24, a water pump 25 and a discharge belt 26, the side surface of the primary sieve tray 21 is connected with a flange on the side surface of the slurry mixing cylinder 22, the other side surface of the slurry mixing cylinder 22 is connected with a flange on the side surface of the reaction tank 23, the bottom of the reaction tank 23 is fixedly embedded with the side surface of the discharge belt 26, the side surface of the winch 24, go out 26 tops in material area and the laminating installation in 24 bottoms of hank machine, the installation of laminating on 1 top of primary screen dish 21 side and feed belt, 1 left side of feed belt is forty-five degrees slope structure with ground, it is thirty degrees slope structures with ground to go out 26 inclined planes in material area, carries out the preliminary treatment in smooth transportation to primary screen dish 21 with soil.

The slurry mixing cylinder 22 is provided with a liquid conveying pipe 221, a roller 222, a chain 223 and a base 224, the section of the liquid conveying pipe 221 is communicated with the center of the roller 222, the side face of the roller 222 is in transmission fit with the inner side of the chain 223, the lower end of the chain 223 is in transmission fit with the base 224, the inner side of the base 224 is movably clamped with the two sides of the roller 222, the section of the liquid conveying pipe 221 is in flange connection with the middle section of the nutrient solution tank 4, the roller 222 and the liquid conveying pipe 221 are in a central symmetrical structure, inclined planes on the two sides of the base 224 are in a structure with an included angle of forty-.

Wherein, the compression jar 246 is equipped with roller 46a, jib 46b, chain wheel 46c, draws water mouth 46d, supplementary jib 46e, the roller 46a cambered surface link up with compression jar 246 side mutually, 46b bottom arch of jib and the protruding slip block of compression jar 246 top recess, chain wheel 46c cross-section and compression jar 246 lateral wall nested connection, it link up with compression jar 246 table wall mutually to draw water mouth 46d inner wall, supplementary jib 46e top and compression jar 246 welded connection, supplementary jib 46e top and chain 223 lower extreme activity block, contained angle is thirty three degrees slope structure between supplementary jib 46e and jib 46b, jib 46b edge is straight structure under the upper arc, accomodates the loose soil that will handle and is convenient for follow-up dewatering compression.

Wherein, the cylinder 222 is equipped with apopore 22a, grinding tube 22b, puddler 22c, connecting rod 22d, apopore 22a inner wall link up with puddler 22c inner wall mutually, grinding tube 22b outer wall and cylinder 222 inner wall clearance fit, puddler 22c both sides center link up with cylinder 222 both sides mutually, connecting rod 22d both sides link up with grinding tube 22b side mutually, grinding tube 22b is equipped with four altogether and is bilateral symmetry distribution structure, apopore 22a is equipped with four lines altogether and follows puddler 22c centrosymmetry, can grind the stirring to mud better, avoids excessively grinding to cause the pulverization.

Wherein, compression jar 246 is equipped with roller 46a, jib 46b, chain wheel 46c, draws water mouth 46d, supplementary jib 46e, roller 46a cambered surface link up with compression jar 246 side mutually, 46b bottom arch of jib and compression jar 246 top recess slip block, chain wheel 46c cross-section and compression jar 246 lateral wall nested connection, it link up with compression jar 246 table wall mutually to draw water mouth 46d inner wall, supplementary jib 46e top and compression jar 246 welded connection, supplementary jib 46e top and chain 223 lower extreme activity block, contained angle is thirty three degrees slope structure between supplementary jib 46e and jib 46b, jib 46b edge is straight structure under the upper arc, can be better to collecting carry out the dehydration compression with restoreing soil, reduces soil micelle leaching speed after backfilling.

The specific use mode and function of the embodiment are as follows:

in the invention, when the soil remediation work is started, the feeding belt 1 is operated, the soil to be remediated is put into the primary screening disc 21 for pre-screening, large-particle impurities such as stones are screened out to avoid damaging the slurry mixing cylinder 22, then the screened soil enters the slurry mixing cylinder 22 to wait for the slurry mixing work, the turbine 3 is operated, nutrient solution in the nutrient solution tank 4 is input into the roller 222 through the liquid conveying pipe 221 and enters the roller 222 along the water outlet hole 22a, the roller 222 is driven by the hinge 244 to rotate, so that the internal soil and the nutrient solution thrown out from the center of the stirring rod 22c are mixed into slurry, the slurry is scattered and screened along the cylinder wall through the grinding pipe 22b, the subsequent biological reaction is facilitated, the slurry is conducted into the reaction tank 23 through the pipeline after the mixing is completed to carry out the biological reaction with strains to reduce pollution, and the remediated soil is output from the pipeline at the bottom of the reaction tank 23 after the, winch 24 starts, it is rotatory along capstan winch 242 to drive pivot 245 through chain 223, make jib 46b drop, chain wheel 46c draws close the closure to the centre along roller bearing 46a, accomodate and accomplish prosthetic soil, and start water pump 25 and absorb the penetrant from pumping port 46d, make compression jar 246 lose water and contract the blocking, avoid the penetrant to carry the inside micelle leaching of soil to lose and lead to soil acidizing or groundwater pollution, carry the soil block through material outlet belt 26 simultaneously, conveniently backfill the processing.

Example 2:

as shown in fig. 7:

the grinding pipe 22b is provided with an inner pad h1, an inner container h2, a sieve hole h3 and a connecting hole h4, the outer surface of the inner pad h1 is movably matched with the inner surface of the inner container h2, the outer surface of the inner container h2 is connected with the inner wall of the grinding pipe 22b in a nested mode, the center of the sieve hole h3 is communicated with the surface wall of the inner container h2, the side wall of the connecting hole h4 is matched with the bottom of the inner container h2 in a perforated mode, the side wall of the connecting hole h4 is connected with the side face of a connecting rod 22d in a nested mode, the sieve hole h3 is distributed in a bilateral symmetry mode, the surface of the inner pad h1 is of a dense groove annular distribution structure, the size of.

The specific use mode and function of the embodiment are as follows:

in the invention, when the roller 222 is mixed, the grinding pipe 22b rotates along the rotation direction of the roller 222 due to inertia to grind the internal slurry, so that the soil and the mixed liquid are uniformly mixed, the fine slurry is filtered out by the sieve hole h3 and is secondarily mixed with the surface slurry through the vibration generated by the external operation of the inner pad h1, and the grinding pipe 22b is connected with the connecting rod 22d in pairs through the connecting port h4, so that the inner container h2 keeps the same rotation speed in the operation, and the soil particle pulverization caused by over grinding is avoided.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a soil remediation bioreactor, its structure includes feed zone (1), restores case (2), turbine (3), nutrient solution jar (4), feed zone (1) top and the installation of restoreing case (2) side laminating, restore case (2) side and turbine (3) side pipe connection, nutrient solution jar (4) middle section and restore case (2) top pipe connection, nutrient solution jar (4) middle section and turbine (3) top pipe connection, its characterized in that:

repair case (2) and be equipped with sieve dish (21), mud hybrid cylinder (22), retort (23), winch (24), water pumper (25), ejection of compact area (26) just, sieve dish (21) side and mud hybrid cylinder (22) side flange joint just, mud hybrid cylinder (22) another side and retort (23) side flange joint, retort (23) bottom and play material area (26) side are inlayed admittedly and are connected, winch (24) side and retort (23) side welded connection, water pumper (25) side mouth of pipe and winch (24) bottom pipe connection, go out material area (26) top and winch (24) bottom laminating installation, sieve dish (21) side and feeding area (1) top laminating installation just.

2. A soil remediation bioreactor as claimed in claim 1, wherein: the slurry mixing cylinder (22) is provided with a liquid conveying pipe (221), a roller (222), a chain (223) and a base (224), the section of the liquid conveying pipe (221) is communicated with the center of the roller (222), the side face of the roller (222) is in transmission fit with the inner side of the chain (223), the lower end of the chain (223) is in transmission fit with the base (224), the inner side of the base (224) is movably clamped with the two sides of the roller (222), and the section of the liquid conveying pipe (221) is in flange connection with the middle section of the nutrient solution tank (4).

3. A soil remediation bioreactor as claimed in claim 1, wherein: the winch (24) is provided with a support (241), a winch (242), a motor (243), a hinge (244), a rotating shaft (245) and a compression tank (246), the side face of the support (241) is matched with the arc surface of the rotating shaft (245) in a penetrating mode, the inner side of the winch (242) is rotatably clamped with the outer arc of the rotating shaft (245), the motor (243) is fixedly embedded in the support (241) and is in transmission fit with the rotating shaft (245), the inner side of the hinge (244) is in transmission fit with the rotating shaft (245), and the top end of the compression tank (246) is movably clamped with the lower end of the hinge (244).

4. A soil remediation bioreactor as claimed in claim 2, wherein: the roller (222) is provided with a water outlet hole (22a), a grinding pipe (22b), a stirring rod (22c) and a connecting rod (22d), the inner wall of the water outlet hole (22a) is communicated with the inner wall of the stirring rod (22c), the outer wall of the grinding pipe (22b) is movably matched with the inner wall of the roller (222), the centers of two sides of the stirring rod (22c) are communicated with the two sides of the roller (222), and the two sides of the connecting rod (22d) are communicated with the side face of the grinding pipe (22 b).

5. A soil remediation bioreactor as claimed in claim 3, wherein: compression jar (246) are equipped with roller shaft (46a), jib (46b), chain wheel (46c), draw water mouth (46d), supplementary jib (46e), roller shaft (46a) cambered surface link up with compression jar (246) side mutually, jib (46b) bottom arch and compression jar (246) top recess slip block, chain wheel (46c) cross-section and compression jar (246) lateral wall nested connection, draw water mouth (46d) inner wall and compression jar (246) table wall to link up mutually, supplementary jib (46e) top and compression jar (246) welded connection, supplementary jib (46e) top and chain (223) lower extreme activity block.

6. A soil remediation bioreactor according to claim 4, wherein: grind pipe (22b) and be equipped with interior pad (h1), inner bag (h2), sieve mesh (h3), connector (h4), interior pad (h1) surface and inner bag (h2) internal surface movable fit, inner bag (h2) surface and grinding pipe (22b) inner wall nested connection, sieve mesh (h3) center link up with inner bag (h2) table wall mutually, connector (h4) lateral wall and inner bag (h2) bottom perforation cooperation, connector (h4) lateral wall and connecting rod (22d) side nested connection.