CN214571485U

CN214571485U - Sludge dewatering device

Info

Publication number: CN214571485U
Application number: CN202120484268.2U
Authority: CN
Inventors: 王永生; 张中; 王国庆; 史天天; 张浩亮
Original assignee: Shandong Haohai Dredging Equipment Co ltd
Current assignee: Shandong Haohai Dredging Equipment Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-11-02
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to a silt dewatering technical field's a silt dewatering device, including the dehydration body, disinfection flocculation pond, charge device, mud grass-hopper and switch board, the dehydration body is equipped with spray set, the lower terminal surface of dehydration body is equipped with the filter screen, disinfection flocculation pond meets with the dehydration body with the mud pipe, charge device meets with disinfection flocculation pond with the pencil, mud grass-hopper is equipped with into mud pipeline, mud grass-hopper meets through conveyer pipe and disinfection flocculation pond, mud grass-hopper meets with spray set through spray header, dehydration body below is equipped with the cistern, the cistern meets with mud grass-hopper through retrieval and utilization pipeline. The water extruded by the dehydration body enters the water storage tank through the filter screen, and when the spraying device works, the slurry transfer device pumps the water in the water storage tank into the spraying device, so that the wastewater resource is recycled, and the waste of the water resource is avoided; the whole dehydration process does not need manual intervention, the automation of the device reduces the labor cost and improves the dehydration efficiency.

Description

Sludge dewatering device

Technical Field

The utility model belongs to the technical field of the silt dehydration technique and specifically relates to a silt dewatering device is related to.

Background

In order to protect the environment, the waste sludge generated in the waste water treatment field or the river dredging process needs to be dehydrated by a dehydrating device, after various dehydration treatments, the water content of the sludge is reduced to 65-85 percent and becomes a wet soil-like mud cake, and the nonhazardous dehydrated mud cake can be directly used as fertilizer for farmlands.

The water extruded by the existing dehydration device can not be reasonably utilized and can be directly discharged generally, so that the waste of water resources is caused, and if more toxic substances exist in the sludge, the extruded water can cause certain environmental pollution. The existing dehydration device is lack of a disinfection device, the addition of disinfectant needs manual control, and if too much disinfectant is added, the dehydration device is not suitable for being used as farmland fertilizer and causes secondary pollution to the environment.

Disclosure of Invention

The utility model aims at providing a silt dewatering device in order to solve the problem that the waste water resource can not the rational utilization among the current dewatering device, the different automatic control of the volume of disinfectant, and provide.

In order to achieve the above object, the present invention provides the following technical solutions:

a sludge dewatering device comprises a dewatering body, a disinfection flocculation tank, a dosing device, a slurry transfer device and a control cabinet for controlling each unit device, wherein one side of the dewatering body is provided with a driving device, a spraying device is arranged above the dewatering body, one end of the dewatering body is provided with a slurry outlet sliding plate, the lower end surface of the dewatering body is provided with a filter screen with certain thickness, an inner cavity of the dewatering body is communicated with the outside through the filter screen, activated carbon is filled in the filter screen, the disinfection flocculation tank is connected with the other end of the dewatering body through a slurry discharge pipe, the slurry discharge pipe is connected with a first electromagnetic valve, the dosing device is connected with the disinfection flocculation tank through a dosing pipe, one side of the slurry transfer device is provided with a slurry inlet pipeline and a water inlet pipe which are communicated with the outside and are relatively independent, and the slurry transfer device is connected with the disinfection flocculation tank through a conveying pipe, the slurry transfer device is connected with the spraying device through a spray header, a reservoir is connected below the dehydration body, and the reservoir is connected with the slurry transfer device through a recycling pipeline.

As a further scheme of the utility model, disinfection flocculation basin includes flocculation basin body, stirring rake, motor and flocculation agent storage box, flocculation basin body lid is equipped with the apron, motor fixed mounting is at the up end of apron, the stirring rake is settled and is met through the output shaft of shaft coupling with the motor in this internal flocculation basin, the flocculation agent storage box is adorned admittedly in the up end of apron through the scale seat that is used for weighing, the below of flocculation agent storage box is equipped with the medicament discharge gate that passes the apron and be used for intercommunication flocculation basin body, the inside of medicament discharge gate is equipped with blocking device, the through-hole that conveyer pipe and dosing pipe of being convenient for were worn is seted up to the terminal surface of apron.

As a further scheme of the utility model, the mud grass-hopper includes slush pump and water pump, the play water end and the spray header of water pump meet, the end of intaking of water pump meets with inlet tube and retrieval and utilization pipeline respectively through the tee bend, be connected with the pipe between the end of intaking of water pump and the tee bend, it meets with the conveyer pipe through the slush pump to advance the mud pipeline, the retrieval and utilization pipeline is connected with the third solenoid valve, it has the second solenoid valve to advance water piping connection.

As a further scheme of the utility model, the end of intaking of water pump meets with inlet tube and retrieval and utilization pipeline respectively through two-way filter, two-way filter comprises three-way pipe and filter core, the three-way pipe is equipped with a mouth, No. two mouths and No. three mouths, a mouth meets with the pipe, No. two mouths and No. three mouths meet with inlet tube and retrieval and utilization pipeline respectively, No. two mouths and No. three mouths are all filled with the filter core.

As a further proposal of the utility model, the medicine adding device comprises a liquid medicine storage box and a medicine adding pump, the medicine adding pipe is connected with the liquid medicine storage box through the medicine adding pump, and the medicine adding pipe is connected with a flowmeter.

As a further aspect of the present invention, the inside of the reservoir is provided with a water level sensor for sensing water level changes.

Compared with the prior art, the utility model has the advantages of it is following and outstanding effect:

1. the water squeezed out by the dewatering body enters the reservoir below after being primarily filtered by the filter screen, when the spraying device needs water, the system can preferentially select the reservoir, at the moment, the pipeline communicated with an external water source is closed, the water in the reservoir can be pumped into the spraying device through the water pump, when the water level sensor in the reservoir detects that the water level drops to a preset value, the pipeline communicated with the reservoir is closed, the pipeline communicated with the external water source is opened, the external water source is pumped into the spraying device through the water pump, so that the wastewater resource is recycled, and the waste of the water resource is avoided;

2. the addition amount of the disinfectant and the flocculating agent is automatically controlled by the control cabinet, so that the additional consumption of the medicament can be effectively reduced, the resource is saved, and the problem of secondary pollution to the environment caused by excessive addition of the medicament can be avoided;

3. the whole dehydration process does not need manual intervention, the automation of the dehydration device reduces the labor cost and improves the dehydration efficiency.

Drawings

In order to clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is a schematic structural diagram of the bidirectional filter of the present invention.

Reference numerals: 1. the device comprises a dewatering body, 11, a spraying device, 111, a spraying water pipe, 12, a dewatering body, 121, a filter screen, 122, a water storage tank, 123, a reuse water pipe, 124, a mud discharging sliding plate, 125, a water level sensor, 2, a driving device, 3, a control cabinet, 4, a disinfection flocculation tank, 41, a cover plate, 42, a flocculation tank body, 43, a stirring paddle, 44, a motor, 45, a flocculation agent storage tank, 46, a medicament discharging port, 47, a scale seat, 5, a mud discharging pipe, 51, a first electromagnetic valve, 6, a dosing device, 61, a liquid medicament storage tank, 62, a dosing pump, 63, a flow meter, 64, a dosing pipe, 7, a mud transfer device, 71, a mud pump, 72, a mud inlet pipeline, 73, a conveying pipe, 74, a water inlet pipe, 75, a second electromagnetic valve, 76, a two-way filter, a paddle, a three-

way pipe

761, 762, a filter core, 77, a third electromagnetic valve, 78, a conduit, 79 and a water pump.

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, a sludge dewatering device includes a dewatering body 1, a disinfection flocculation tank 4, a chemical feeding device 6, a slurry transfer device 7, and a control cabinet 3 for controlling each unit device. The lower terminal surface of dehydration body 1 is equipped with the filter screen 121 of certain thickness, and the intermediate layer of filter screen 121 is filled with the active carbon that is used for prefilter waste water, and the below of dehydration body 1 is connected with cistern 122, and the inside of cistern 122 is equipped with the level sensor 125 of perception water level change, and the inner chamber of dehydration body 1 communicates with each other with cistern 122 through filter screen 121, and cistern 122 connects with mud conveyer 7 through retrieval and utilization pipeline 123. One side of the dehydration body 1 is provided with a driving device 2, and a spraying device 11 for cleaning the inside of the dehydration body 1 is arranged above the dehydration body 1. The one end of dehydration body 1 is equipped with out mud slide 124, disinfection flocculation pond 4 meets through the other end of mud pipe 5 with dehydration body 1, mud pipe 5 is connected with first solenoid valve 51, charge device 6 meets through dosing pipe 64 and disinfection flocculation pond 4, one side of mud transfer device 7 is equipped with the external and relatively independent mud pipe way 72 and the inlet tube 74 of intercommunication, mud transfer device 7 meets through conveyer pipe 73 and disinfection flocculation pond 4, mud transfer device 7 meets through spray header 111 and spray set 11 mutually.

Referring to fig. 1, the sterilization flocculation tank 4 includes a flocculation tank body 42, a stirring paddle 43, a motor 44, and a flocculant storage tank 45. The upper end cover of flocculation basin body 42 is equipped with apron 41, and motor 44 fixed mounting is in the up end of apron 41, and stirring rake 43 settles and meet through the output shaft of shaft coupling and motor 44 in flocculation basin body 42. Flocculant storage box 45 is adorned admittedly in the up end of apron 41 through the scale seat 47 that is used for weighing, and the below of flocculant storage box 45 is equipped with the medicament discharge gate 46 that passes apron 41 and be used for intercommunication flocculation pond body 42, and the inside blocking device that is equipped with of medicament discharge gate 46, through the control of switch board 3, the blocking device can interrupt the medicament immediately and supply with, and the through-hole that conveyer pipe 73 and dosing pipe 64 are convenient for to wear is seted up to the terminal surface of apron 41. The medicine adding device 6 comprises a liquid medicine storage box 61 and a medicine adding pump 62, a medicine adding pipe 64 is connected with the liquid medicine storage box 61 through the medicine adding pump 62, and the medicine adding pipe 64 is connected with a flow meter 63. The mud transfer device 7 comprises a mud pump 71 and a water pump 79, the water outlet end of the water pump 79 is connected with a spray water pipe 111, the water inlet end of the water pump 79 is respectively connected with a water inlet pipe 74 and a recycling pipeline 123 through a tee joint, a guide pipe 78 is connected between the water inlet end of the water pump 79 and the tee joint, the mud inlet pipeline 72 is connected with a conveying pipe 73 through the mud pump 71, the recycling pipeline 123 is connected with a third electromagnetic valve 77, and the water inlet pipe 74 is connected with a second electromagnetic valve 75.

Referring to fig. 1 and 2, in order to improve the filtering effect, the water inlet end of the water pump 79 is connected to the water inlet pipe 74 and the recycling pipeline 123 through the two-way filter 76, the two-way filter 76 is composed of a three-way pipe 761 and a filter element 762, the three-way pipe 761 is provided with a first port, a second port and a third port, the first port is connected to the conduit 78, the second port and the third port are connected to the water inlet pipe 74 and the recycling pipeline 123, and the filter element 762 is filled in the second port and the third port.

During operation, drive arrangement drives dehydration body 1 and operates, and under the control of switch board 3, slush pump 71 is in going into the flocculation basin body 42 through advancing mud pipeline 72 with the silt pump of treating the dehydration, and after working a period, slush pump 71 stop work, avoids pumping into too much silt toward flocculation basin body 42. Then, the motor 44 is started, the motor 44 drives the stirring paddle 43 to rotate, in the stirring process, the blocking device in the medicine discharge port 46 is opened, the solid medicine in the flocculating agent storage tank 45 is scattered from the medicine discharge port 46, and when the scale seat 47 detects that the medicine amount reaches the standard, the blocking device is closed, and the supply of the medicine is interrupted. Meanwhile, the dosing pump 62 pumps the liquid medicament in the liquid medicament storage tank 61 into the flocculation tank body 42, and after the amount of the liquid medicament flowing through the flow meter 63 reaches the standard, the dosing pump 62 is turned off to interrupt the supply of the medicament. After the stirring paddle 43 stirs for a certain time, the motor 44 is closed, the first electromagnetic valve 51 is opened, and the sludge in the flocculation tank body 42 is sent into the dehydration body 1 through the sludge discharge pipe 5 for dehydration treatment. The addition of disinfectant and flocculating agent is by switch board 3 automatic control, can effectively reduce the extra consumption of medicament, has both practiced thrift the resource and can avoid appearing the medicament and add too much and cause secondary pollution's problem to the environment again. The whole dehydration process does not need manual intervention, the automation of the dehydration device reduces the labor cost and improves the dehydration efficiency.

The water squeezed out from the dewatering body 1 is filtered primarily by the filter screen 121 and then enters the lower water reservoir 122 for storage, and when the spraying device 11 needs water, the system can preferentially select the water reservoir 122 under the control of the control cabinet 3. At this point, the second solenoid valve 75 is closed, the third solenoid valve 77 is opened, and the water pump 79 pumps water from the reservoir 122 into the shower 11. When the water level sensor 125 in the reservoir 122 detects that the water level drops to a preset value, the third solenoid valve 77 is closed, the second solenoid valve 75 is opened, and the water pump 79 pumps an external water source into the spraying device 11 through the water inlet pipe 74, so that water resources are saved, wastewater resources are recycled, and waste of water resources is avoided.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. A sludge dewatering device comprises a dewatering body (1), wherein a driving device (2) is arranged on one side of the dewatering body (1), a spraying device (11) is arranged above the dewatering body (1), and a sludge discharging sliding plate (124) is arranged at one end of the dewatering body (1); the method is characterized in that: the lower terminal surface of dehydration body (1) is equipped with filter screen (121) of certain thickness, the inner chamber of dehydration body (1) communicates with each other with the external world through filter screen (121), filter screen (121) intussuseption is filled with active carbon, dewatering device still including disinfection flocculation pond (4), charge device (6), mud transfer device (7) and be used for controlling switch board (3) of each unit device, disinfection flocculation pond (4) meet through the other end of mud pipe (5) with dehydration body (1), mud pipe (5) are connected with first solenoid valve (51), charge device (6) meet through charge pipe (64) with disinfection flocculation pond (4), one side of mud transfer device (7) is equipped with intercommunication external and relatively independent advance mud pipeline (72) and inlet tube (74), mud transfer device (7) meet through conveyer pipe (73) and disinfection flocculation pond (4), the slurry transfer device (7) is connected with the spraying device (11) through a spraying water pipe (111), a water storage tank (122) is connected below the dehydration body (1), and the water storage tank (122) is connected with the slurry transfer device (7) through a recycling pipeline (123).

2. A sludge dewatering apparatus as claimed in claim 1, wherein: the disinfection flocculation tank (4) comprises a flocculation tank body (42), a stirring paddle (43), a motor (44) and a flocculation agent storage box (45), the flocculation tank body (42) is covered with a cover plate (41), the motor (44) is fixedly arranged on the upper end surface of the cover plate (41), the stirring paddle (43) is arranged in the flocculation tank body (42) and is connected with an output shaft of the motor (44) through a coupler, the flocculant storage box (45) is fixedly arranged on the upper end surface of the cover plate (41) through a scale seat (47) for weighing, a medicament discharge hole (46) which penetrates through the cover plate (41) and is communicated with the flocculation tank body (42) is arranged below the flocculation agent storage box (45), the inside of medicament discharge gate (46) is equipped with blocking device, the through-hole that is convenient for conveyer pipe (73) and dosing pipe (64) to pass is seted up to the terminal surface of apron (41).

3. A sludge dewatering apparatus as claimed in claim 1, wherein: the mud transfer device (7) comprises a mud pump (71) and a water pump (79), the water outlet end of the water pump (79) is connected with a spray water pipe (111), the water inlet end of the water pump (79) is respectively connected with a water inlet pipe (74) and a recycling pipeline (123) through a tee joint, a guide pipe (78) is connected between the water inlet end of the water pump (79) and the tee joint, a mud inlet pipeline (72) is connected with a conveying pipe (73) through the mud pump (71), the recycling pipeline (123) is connected with a third electromagnetic valve (77), and the water inlet pipe (74) is connected with a second electromagnetic valve (75).

4. A sludge dewatering apparatus as claimed in claim 3, wherein: the water inlet end of the water pump (79) is respectively connected with the water inlet pipe (74) and the recycling pipeline (123) through a two-way filter (76), the two-way filter (76) is composed of a three-way pipe (761) and a filter element (762), the three-way pipe (761) is provided with a first port, a second port and a third port, the first port is connected with the guide pipe (78), the second port and the third port are respectively connected with the water inlet pipe (74) and the recycling pipeline (123), and the filter element (762) is filled in the second port and the third port.

5. A sludge dewatering apparatus as claimed in claim 1, wherein: the dosing device (6) comprises a liquid medicine storage box (61) and a dosing pump (62), the dosing pipe (64) is connected with the liquid medicine storage box (61) through the dosing pump (62), and the dosing pipe (64) is connected with a flow meter (63).

6. A sludge dewatering apparatus as claimed in claim 1, wherein: and a water level sensor (125) for sensing water level change is arranged in the water reservoir (122).