CN217809001U

CN217809001U - Dehydration separation system

Info

Publication number: CN217809001U
Application number: CN202222214643.9U
Authority: CN
Inventors: 刘琦; 代哲宇; 李伦; 曾庆晖; 刘星
Original assignee: Sichuan Railway Construction Co ltd
Current assignee: Sichuan Railway Construction Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-15
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a dehydration separation system, which comprises a shell, wherein a plurality of working areas are arranged in the shell from top to bottom, the working areas are mutually communicated, a feed pump is arranged on the shell, the feed pump is positioned at the top of the shell, a vibrating screen is arranged in the shell and positioned below the feed pump, the vibrating screen is obliquely arranged, one side close to the feed pump is positioned above, and one side far away from the feed pump is positioned below; an extrusion roller is arranged below the vibrating screen and can extrude and dewater the fed materials; a diversion basin is arranged below the extrusion roller, a water permeable membrane is arranged in the diversion basin, the diversion basin is divided into two parts which are independent from top to bottom by the water permeable membrane, the upper half part of the diversion basin is connected with a neutralization water pipe, and the lower half part of the diversion basin is connected with a clear water pipe. The utility model discloses a multistage mode of progressively separating, the effectual dehydration step that improves sewage makes the separation of sewage more thorough on the basis of protection dewatering equipment.

Description

Dehydration separation system

Technical Field

The utility model relates to a concrete mixing station sewage treatment field specifically is dehydration piece-rate system.

Background

A large amount of water is needed for production of the concrete mixing station, and in addition, a large amount of sewage generated by the concrete mixing station cannot be directly discharged. The water used in the concrete mixing station is from underground water resources or industrial water, and the production and water taking cost is high. In order to reduce the production water cost and enhance the awareness of people on environmental protection, the reasonable recycling of the sewage of the concrete mixing plant is required.

When sewage treatment is carried out, if the raw materials are directly treated, the treatment is troublesome due to more impurities, so that the raw materials are generally subjected to dehydration treatment, solid and liquid can be separated, and the separated solid and liquid are respectively treated, so that the purposes of saving cost and protecting the environment are achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art and dewater when carrying out dehydration to sewage not thoroughly, the dehydration part is not enough of damaging easily, provides a dehydration piece-rate system, through the mode of multistage gradual separation, the effectual dehydration step that improves sewage makes the separation of sewage more thoroughly on the basis of protection dewatering equipment.

The purpose of the utility model is realized mainly through the following technical scheme:

the dehydration separation system comprises a shell, a plurality of working areas are arranged in the shell from top to bottom, the working areas are communicated with each other, a feeding pump is arranged on the shell and is positioned at the top of the shell,

a vibrating screen is arranged in the shell, is positioned below the feeding pump, is obliquely arranged, and is positioned above one side close to the feeding pump and below one side far away from the feeding pump;

an extrusion roller is arranged below the vibrating screen and can extrude and dehydrate the fed materials;

a diversion basin is arranged below the extrusion roller, a water permeable membrane is arranged in the diversion basin, and the diversion basin is divided into two parts which are independent from top to bottom by the water permeable membrane.

At present, when sewage treatment of a concrete mixing station is carried out, cement is used as a cementing material, sand and stone are used as aggregates, the aggregates are matched with water (which can contain an additive and an admixture) according to a certain proportion, and the mixture is formed by stirring, so that the sewage generated in the mixing process can contain solids such as sand, stone and the like, soluble substances soluble in water can be generated, partial muddy and floccules can be formed, the components are complex, at the moment, if a conventional separation means is adopted, two results can be generally generated, the first method is incomplete in separation, the liquid part and the solid part obtained after dehydration can not ensure higher quality, the second method is damage to dehydration equipment due to hard solids in the dehydration process, adverse factors of dehydration exist in the two modes, the good solid-liquid separation effect can not be obtained, the service life of the dehydration equipment can be shortened, and the maintenance cost is increased.

The utility model discloses in through the mode that divide into a plurality of workspace from last to down with whole dehydration separation system, divide multistage dehydration, thereby reach high-quality solid-liquid separation's purpose, from last hierarchical setting under to can effectually utilize the flow direction of sewage oneself, thereby avoid unnecessary energy consumption, the utility model discloses in through the screening of shale shaker, effectually break up great bulk thing in the sewage, and the solid-liquid mixture under the screen from the shale shaker has been detached great solid, thereby the damage of collision to equipment has been avoided, make subsequent process obtain the protection, avoided equipment to suffer damage, set up the squeeze roll in the below of shale shaker, further dewater, get rid of the solid part in the solid-liquid mixture, and make liquid follow solid to appear out through extruded mode, make dehydration more thorough, the liquid part of top converge at last in the distributive basin, through the membrane separation clear water part and neutral water part of permeating water, because the membrane of permeating water mainly divide into infiltration and two kinds of working form, so divide into following two kinds of reverse osmosis according to the kind difference of the membrane of permeating water: firstly, the upper half part of the water diversion tank is connected with a neutralization water pipe, the lower half part of the water diversion tank is connected with a clear water pipe, the clear water part is positioned below the water permeable membrane, and the neutralization water part is positioned above the water permeable membrane; secondly, the lower half part of the diversion basin is connected with a neutralization water pipe, the upper half part of the diversion basin is connected with a clear water pipe, the clear water part is positioned above the permeable membrane, and the neutralization water part is positioned below the permeable membrane; at last through the clear water pipe clear water of discharging from the distributive pond, through the neutralization water of neutralization water pipe discharge from the distributive pond, the utility model discloses a shale shaker, squeeze roll level dehydration obtain containing a large amount of liquid that can dissolve the thing to through appearing of the membrane of permeating water, make neutralization water and clear water can separate, thereby can effectively utilize sewage, owing to remove solid content in squeeze roll and shale shaker whole in addition, so also can effectually protect the membrane of permeating water when separating neutralization water and clear water, thereby improved the life of this system.

Furthermore, the vibrating screen comprises a screen plate, a plurality of screen holes are uniformly distributed on the screen plate, a cross beam is arranged in the shell, support columns are arranged at two ends of the cross beam and fixed with the shell, a reciprocating driver is arranged on each support column, one end of each reciprocating driver is fixed with the corresponding support column, and the other end of each reciprocating driver is fixed with the corresponding screen plate.

The utility model discloses in, sieve and sieve mesh in the shale shaker can enough effectually make jumbo size solid to be separated and remove, can effectually make the below that liquid part and the solid that water content is high sieve the shale shaker after being shaken apart again, because the shale shaker needs reciprocating vibration, so realize the vibration through reciprocating drive ware, and reciprocating drive ware can adopt devices such as hydraulic telescoping rod, air telescopic rod, pneumatic cylinder, crank link mechanism to realize, the support column can ensure the overall stability of shale shaker, plays the fixed effect of enhancement, avoids breaking away from the shell at vibration in-process sieve plate, the utility model provides a crossbeam also can be consolidated the shell to avoid whole system's structure to be destroyed.

Furthermore, a stirring assembly is arranged between the vibrating screen and the extrusion roller, and the stirring assembly can disperse feeding and break up agglomerated feeding.

The utility model discloses a sewage dispersion after the stirring subassembly will sieve for the squeeze roll can have more areas to be utilized, thereby promotes the work efficiency of overall system.

Furthermore, the stirring assembly comprises a motor, the motor is fixed with the shell, a rotating shaft is fixed on an output shaft of the motor, the axis of the rotating shaft is horizontal, a plurality of rotary vanes are fixed on the rotating shaft, and the rotary vanes are wound on the rotating shaft.

The utility model discloses a stirring of vane revolves for the stirring subassembly contacts sewage after sieving can be as far as possible even dispersion to the squeeze roll on, thereby improve the utilization ratio to the squeeze roll, and the utility model discloses a motor drive pivot for the rotational frequency of stirring subassembly can obtain improving, and the sewage overlength time after avoiding sieving stops in stirring subassembly department, thereby improves the work efficiency of whole system, the utility model provides a vane revolves the long arc to coil in the axis of rotation, thereby can be with the sewage distribution after sieving more even.

Furthermore, a bushing plate is arranged between the stirring assembly and the extrusion roller, and a sweeping assembly capable of avoiding the bushing plate from being blocked is arranged on the bushing plate.

The utility model discloses a set up the bushing and do the partition between the workspace to can avoid the part to pile up through the subassembly of sweeping on the bushing, thereby reach more effectual homodisperse, avoid the part to pile up too much or take place the condition that can not leak down.

Further, it includes the track to sweep the subassembly, the track is fixed with the shell, is equipped with on the track and sweeps the head, sweep the head and can freely slide along the track, sweep overhead being equipped with and can cleaning the brush of the hole on the bushing.

The utility model provides a track makes to sweep the head and can cover whole bushing in the motion to avoid appearing the dead angle, and the brush can make its even lower hourglass through sweeping solid and the liquid on bushing surface, avoids distributing inhomogeneously and produces and piles up.

Furthermore, the axes of the extrusion rollers are horizontal, three extrusion rollers are used as one group, the extrusion rollers in each group are arranged in a finished product shape, and two adjacent groups of extrusion rollers are staggered and embedded.

At present when dehydrating the solid-liquid mixture all adopt to be centrifugal mode to carry out solid-liquid separation, but adopt centrifugal mode not only equipment loss big, moreover because the utility model discloses the secondary separation of neutralization water and clear water need be carried out to the sewage that involves in, adopt centrifugal mode to be not convenient for the separation of liquid and solid to collect, just also be not convenient for going on of secondary separation, liquid velocity after the centrifugation is great, destroys the permeable membrane very easily, thereby makes dewatering effect weaken, the utility model discloses in adopt the squeeze roll that is the font of being arranged to make the clearance between the squeeze roll reduce, extrusion force between the squeeze roll increases, thereby make solid-liquid separation more thorough, dewatering effect is better, compare in centrifugal dewatering mode moreover, the utility model discloses a noise is lower, better and also be favorable to clear water and the separation of neutralization water more.

Furthermore, the squeeze roll with be equipped with between the diversion basin and separate the silt board, it can clear away the desilting subassembly that separates the solid-liquid mixture on the silt board to be equipped with a plurality of on the silt board to separate.

The utility model discloses a separate the desilting subassembly on the silt plate, the collection that can be timely walks the solid on separating the silt plate to avoid solid-liquid remixing, also can avoid the space to be occupied simultaneously, separate the silt plate and can effectually block the solid hourglass down and can make liquid flow direction diversion basin.

Furthermore, the dredging component comprises a shovel opening, the shovel opening is connected with a corrugated pipe, an inflatable interlayer is arranged in the pipe wall of the corrugated pipe, a negative pressure channel is arranged inside the corrugated pipe, and the shovel opening is communicated with the negative pressure channel.

The utility model discloses in through aerifing and bleeding aerifing the interbedded, the flexible position that can effectual adjustment bellows, negative pressure channel can be taken to the bellows and moves together, shovels through the effectual solid that will separate on the silt plate of shovel mouth and falls to collect through negative pressure pipeline.

Furthermore, a partition board is arranged in the shell, and the partition board is attached to the inner wall of the shell and is detachably and fixedly connected with the shell.

Because the utility model discloses in the sewage that involves belong to alkaline sewage, so have corrosivity to equipment, the utility model discloses an increase the mode of baffle, resist the corrosive action of sewage to equipment, and it is fixed to be detachable between baffle and the shell, so the utility model discloses in the baffle can be replaced to play protecting sheathing, improve the utility model discloses life's purpose.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model discloses a shale shaker, squeeze roll level dehydration obtain containing a large amount of liquid that can dissolve the thing to through appearing of the membrane of permeating water, make neutralization water and clear water can separate, thereby can effectively utilize sewage, owing to all reject solid matter in squeeze roll and shale shaker in addition, so also can effectually protect the membrane of permeating water in the separation and when water and clear water, thereby improved the life of this system.

(2) The utility model discloses a stirring of vane for the stirring subassembly contacts sewage after sieving can be as far as possible even dispersion to the squeeze roll, thereby improves the utilization ratio to the squeeze roll.

(3) The utility model discloses in through aerifing and bleeding aerifing the interbedded, the flexible position that can effectual adjustment bellows, negative pressure channel can be taken to the bellows and moves together, shovels through the effectual solid that will separate on the silt plate of shovel mouth and falls to collect through negative pressure pipeline.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:

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

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the dredging assembly of the present invention;

the names corresponding to the reference numerals are: 1-vibrating screen, 101-screen plate, 102-screen hole, 2-beam, 3-support column, 4-reciprocating driver, 5-stirring component, 51-rotary vane, 52-rotary shaft, 53-motor, 6-sweeping component, 61-track, 62-sweeping head, 63-brush, 7-squeezing roller, 8-baffle, 9-desilting component, 91-shovel mouth, 92-corrugated pipe, 93-inflatable interlayer, 94-negative pressure channel, 10-permeable membrane and 11-diversion basin.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example (b):

as shown in fig. 1-3, the dewatering and separating system comprises a housing, a plurality of working areas are arranged in the housing from top to bottom, the working areas are communicated with each other, a feeding pump is arranged on the housing and positioned at the top of the housing,

a vibrating screen 1 is arranged in the shell, the vibrating screen 1 is positioned below the feeding pump, the vibrating screen 1 is obliquely arranged, one side close to the feeding pump is positioned above, and the other side far away from the feeding pump is positioned below;

a squeezing roller 7 is arranged below the vibrating screen 1, and the squeezing roller 7 can squeeze and dewater the fed material;

the lower part at squeeze roll 7 is equipped with distributive pond 11, be equipped with membrane 10 of permeating water in the distributive pond 11, membrane 10 of permeating water separates distributive pond 11 for upper and lower independent two parts, the first half of distributive pond 11 is connected with the neutralization water pipe, and its the latter half is connected with the clear water pipe.

In the embodiment, the whole dehydration separation system is divided into a plurality of working areas from top to bottom, and is dehydrated in multiple stages, so that the purpose of high-quality solid-liquid separation is achieved, the flow direction of sewage can be effectively utilized by the classification arrangement from top to bottom, and redundant energy consumption is avoided, the utility model effectively breaks up larger agglomerates in the sewage through the screening of the vibrating screen 1, and the solid-liquid mixture screened from the vibrating screen 1 is removed with larger solids, so that the damage of collision to the equipment is avoided, the subsequent processes are protected, the equipment is prevented from being damaged, the extrusion roller 7 is arranged below the vibrating screen 1, the dehydration is further carried out, the solid part in the solid-liquid mixture is removed, and the liquid is separated out from the solids in an extrusion manner, make the dehydration more thorough, the liquid part of top converges at last in the catch basin 11, separate clear water part and neutralization water part through the membrane 10 of permeating water, clear water part is located the below of membrane 10 of permeating water, neutralization water part is located the membrane 10 top of permeating water, and discharge the clear water from the catch basin 11 through the clear water pipe, through neutralization water pipe in the discharge from the catch basin 11, the utility model discloses a shale shaker 1, the dehydration of extrusion roller 7 level, obtain the liquid that contains a large amount of soluble thing, and through appearing of the membrane 10 of permeating water, make neutralization water and clear water can separate, thereby can effectively utilize sewage, owing to remove solid content in extrusion roller 7 and shale shaker 1 in addition, so also can effectually protect the membrane 10 of permeating water when separating neutralization water and clear water, thereby improved the life of this system.

The vibrating screen 1 in this embodiment is obliquely arranged, so that sewage can flow on the vibrating screen 1, and the efficiency is improved.

On this basis, shale shaker 1 includes sieve 101, evenly distributed has a plurality of sieve meshes 102 on the sieve 101 be equipped with crossbeam 2 in the shell, the both ends of crossbeam 2 are equipped with support column 3, support column 3 is fixed with the shell, is equipped with reciprocating drive 4 on support column 3, reciprocating drive 4's one end with support column 3 is fixed, its other end with sieve 101 is fixed.

The reciprocating driver 4 in this embodiment adopts a hydraulic telescopic rod, which is beneficial to large-scale configuration and can resist impact of heavy weight, the water permeable membrane 10 in this embodiment adopts a fiber membrane, an aromatic polyamide membrane and the like, and the liquid entering the water diversion basin 11 is subjected to reverse osmosis treatment through the water permeable membrane 10 in the water diversion basin 11, the distribution of a specific clear water part and a neutralization water part can be adjusted according to different types of the used water permeable membranes 10, and the distribution mode of the clear water part and the neutralization water part in this embodiment adopts a fiber membrane.

And a stirring assembly 5 is arranged between the vibrating screen 1 and the squeezing roller 7, and the stirring assembly 5 can disperse feeding and break up agglomerated feeding.

The stirring assembly 5 comprises a motor 53, the motor 53 is fixed with the housing, a rotating shaft 52 is fixed on an output shaft of the motor 53, the axis of the rotating shaft 52 is horizontal, a plurality of rotary vanes 51 are fixed on the rotating shaft 52, and the rotary vanes 51 are wound on the rotating shaft 52.

A bushing plate is arranged between the stirring component and the extrusion roller 7, and a sweeping component 6 capable of avoiding the bushing plate from being blocked is arranged on the bushing plate.

The sweeping component 6 comprises a track 61, the track 61 is fixed with the shell, a sweeping head 62 is arranged on the track 61, the sweeping head 62 can freely slide along the track 61, and a brush 63 capable of sweeping the hole in the bushing is arranged on the sweeping head 62.

The axial lines of the extrusion rollers 7 are horizontal, three extrusion rollers 7 are used as one group, the extrusion rollers 7 in each group are arranged in a finished product shape, and two adjacent groups of extrusion rollers 7 are embedded in a staggered manner.

The extrusion roll 7 with be equipped with between the diversion basin 11 and separate the silt board, it can clear away the desilting subassembly 9 that separates the solid-liquid mixture on the silt board to be equipped with a plurality of on the silt board to separate.

The dredging component 9 comprises a shovel port 91, the shovel port 91 is connected with a corrugated pipe 92, an inflatable interlayer 93 is arranged in the pipe wall of the corrugated pipe 92, a negative pressure channel 94 is arranged inside the corrugated pipe 92, and the shovel port 91 is communicated with the negative pressure channel 94.

Be equipped with baffle 8 in the shell, baffle 8 and the inner wall laminating of shell and shell detachable fixed connection.

Adopt the squeeze roll 7 that is the article font and arranges in this embodiment to make the clearance between the squeeze roll 7 reduce, the extrusion force increase between the squeeze roll 7, thereby make solid-liquid separation's more thorough, the dehydration effect is better, compares in centrifugal dehydration mode moreover, the noise of this embodiment is lower, better and also be favorable to the separation of clear water and neutralization water more to the equipment protection.

Stirring that this embodiment passes through rotary vane 51, make stirring subassembly 5 contact the sewage after sieving can be as far as possible even dispersion to squeeze roll 7, thereby improve the utilization ratio to squeeze roll 7, and this embodiment adopts motor 53 drive pivot, make stirring subassembly 5's rotational frequency can obtain improving, avoid the sewage overlength time after sieving to locate to stop in stirring subassembly 5, thereby improve overall system's work efficiency, rotary vane 51 in this embodiment adopts long arc, and coil on axis of rotation 52, thereby can be with the sewage distribution after sieving more even.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The dehydration separation system comprises a shell, a plurality of working areas are arranged in the shell from top to bottom, the working areas are communicated with each other, a feeding pump is arranged on the shell and is positioned at the top of the shell,

a vibrating screen (1) is arranged in the shell, the vibrating screen (1) is positioned below the feeding pump, the vibrating screen (1) is obliquely arranged, one side close to the feeding pump is positioned above, and one side far away from the feeding pump is positioned below;

an extrusion roller (7) is arranged below the vibrating screen (1), and the extrusion roller (7) can extrude and dewater the fed material;

a diversion basin (11) is arranged below the extrusion roller (7), a water permeable membrane (10) is arranged in the diversion basin (11), and the diversion basin (11) is divided into two parts which are independent from top to bottom by the water permeable membrane (10).

2. A dewatering separation system according to claim 1, characterized in that the vibrating screen (1) comprises a screen plate (101), a plurality of screen holes (102) are evenly distributed on the screen plate (101), a cross beam (2) is arranged in the housing, support columns (3) are arranged at two ends of the cross beam (2), the support columns (3) are fixed with the housing, a reciprocating driver (4) is arranged on the support columns (3), one end of the reciprocating driver (4) is fixed with the support columns (3), and the other end is fixed with the screen plate (101).

3. A dewatering separation system according to claim 1, characterized in that an agitation assembly (5) is provided between the vibrating screen (1) and the squeeze roll (7), the agitation assembly (5) being capable of dispersing the feed material and breaking up agglomerated feed material.

4. A dewatering and separation system according to claim 3, characterized in that the agitator assembly (5) comprises a motor (53), the motor (53) is fixed with the housing, a rotating shaft (52) is fixed on the output shaft of the motor (53), the axis of the rotating shaft (52) is horizontal, a plurality of rotary vanes (51) are fixed on the rotating shaft (52), and the rotary vanes (51) are wound on the rotating shaft (52).

5. A dewatering and separation system according to claim 3 or 4, characterized in that a nozzle plate is arranged between the stirring element (5) and the squeeze roll (7), and a sweeping element (6) is arranged on the nozzle plate to avoid clogging of the nozzle plate.

6. A dewatering and separation system according to claim 5, characterized in that the sweeping assembly (6) comprises a rail (61), the rail (61) is fixed with the housing, a sweeping head (62) is arranged on the rail (61), the sweeping head (62) is freely slidable along the rail (61), and a brush (63) is arranged on the sweeping head (62) and is capable of sweeping the hole in the nozzle plate.

7. The dewatering separation system according to claim 1, characterized in that the axes of the squeeze rolls (7) are horizontal, three squeeze rolls (7) are used as a group, the squeeze rolls (7) in each group are arranged in a shape of Chinese character 'ji', and two adjacent groups of squeeze rolls (7) are staggered and embedded.

8. The dewatering separation system according to claim 1, characterized in that a silt-separating plate is arranged between the squeeze roll (7) and the diversion basin (11), and a plurality of dredging components (9) capable of removing solid-liquid mixture on the silt-separating plate are arranged on the silt-separating plate.

9. The dewatering separation system according to claim 8, wherein the dredging assembly (9) comprises a shovel port (91), a corrugated pipe (92) is connected to the shovel port (91), an inflation interlayer (93) is arranged in the pipe wall of the corrugated pipe (92), a negative pressure channel (94) is arranged inside the corrugated pipe (92), and the shovel port (91) is communicated with the negative pressure channel (94).

10. A dewatering separation system according to claim 1, characterised in that a partition (8) is provided within the housing, the partition (8) engaging the inner wall of the housing and being releasably and fixedly connected to the housing.