CN111659173A - Method for separating silt and water by using mud-water separation device - Google Patents

Method for separating silt and water by using mud-water separation device Download PDF

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Publication number
CN111659173A
CN111659173A CN202010363110.XA CN202010363110A CN111659173A CN 111659173 A CN111659173 A CN 111659173A CN 202010363110 A CN202010363110 A CN 202010363110A CN 111659173 A CN111659173 A CN 111659173A
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Prior art keywords
water
mud
pipe
filter
tank body
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CN202010363110.XA
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Chinese (zh)
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CN111659173B (en
Inventor
李曙光
孙德东
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Xingcheng Senhao Petrochemical Equipment Co ltd
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Xingcheng Senhao Petrochemical Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • B01D29/33Self-supporting filtering elements arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B01D29/54Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention provides a method for carrying out silt and water separation treatment by using a mud-water separation device. The separation device is characterized in that a tank body of the separation device is connected with supporting legs, an upper sealing head cover, a mud pump, a backwashing pump and a PLC (programmable logic controller), a pressure sensor and a flow sensor are arranged in the tank body, a filter pipe is arranged in the tank body, the PLC is used for controlling the filtering process of the filter pipe, and the mud separation device is used for separating mud water from silt through an operation method. The invention carries out the separation treatment of silt and water through the mud separation device. Has the advantages of large treatment capacity and good silt and water separation effect. The method is suitable for being applied as a method for carrying out silt and water separation treatment by using a mud-water separation device.

Description

Method for separating silt and water by using mud-water separation device
Technical Field
The invention provides a method for carrying out silt and water separation treatment by using a mud-water separation device, which belongs to the field of environmental protection.
Background
At present, mud is discharged in both mine and sewage treatment, the mud contains silt and water, a precipitation method is usually adopted at present, the precipitation method has the problems that the silt and water are separated slowly, a transition layer exists, the separation is not thorough, no mechanical and automatic control device is available at present, and therefore how to separate the mud by using a mechanical form and an automatic control operation is a subject worthy of research.
Disclosure of Invention
In order to separate silt and water by using a mud-water separation device and implement automatic control, the invention provides a method for separating silt and water by using the mud-water separation device. The method separates silt and water through the mud-water separation device, and solves the technical problem of separating silt and water.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the mud-water separation device comprises:
the lower part of a cylindrical tank body is a lower conical cavity, the upper part of the tank body covers an upper end cover on an upper opening of the tank body through a connecting flange, the upper part of the tank body is welded with a filter pipe mounting pore plate, the upper part of the pore plate is connected with a back flushing pipe, the back flushing pipe is provided with a flow sensor and a clear water control valve, the back flushing pipe is connected with a back flushing pump through a pipeline, the tank body is connected with a slurry pump through a pipeline, the lower part of the conical cavity is connected with a sludge discharge water pipe, the sludge discharge water pipe is provided with a sludge discharge water valve, three support legs with intervals of 120 degrees are welded on the periphery of the lower part of the tank body, the filter; a pressure relief pipe valve is arranged in the tank body, and the upper part of the pressure relief pipe valve extends out of the upper cover of the sealing head; the inner side part of the tank body is provided with a pressure sensor; the outside of the pipe cavity on the filter pipe clamping plate is a pipe wall, the periphery of the pipe wall is wrapped with a filter screen, and a plurality of pipe wall holes are formed in the periphery of the pipe wall; a plurality of filter pipe mounting holes are uniformly distributed in the filter pipe mounting hole plate; the PLC is respectively in circuit connection with the pressure release valve, the clear water control valve and the sludge discharge valve, meanwhile, the flow sensor and the pressure sensor are respectively in circuit connection with the PLC, and the sludge pump and the backwashing pump are also in circuit connection with the PLC.
The silt and water separation method comprises the following steps:
the mud-containing sewage in the mud tank is conveyed into the tank body through a mud pump, mud water is filled in the tank body, mud is attached to the outside of a filter screen through the filter screen by the mud under the pressure action of the mud pump, clear water filtered through the filter screen is discharged into a space between a filter pipe mounting pore plate and an end socket upper cover from a pipe cavity through a pipe wall hole and is discharged through a clear water pipe and a clear water control valve to be used as clear water, the mud can be attached and retained on the filter screen after the filter pipe is used for a period of time, a back flush pump is opened at the moment, silt retained on the filter screen falls into a conical cavity through the clear water pipe, the mud water valve is deposited or opened to discharge the back flushed mud water from the mud water pipe, and after back flushing, the device performs mud water separation again.
After the filter tube live time is long, silt is protected and is stored up in the filter screen outside, blocks up the filter screen, influences separation efficiency, opens flange this moment, and processing head upper cover takes off from the jar body, and the filter tube is extracted from the filter tube mounting hole, pulls down the filter screen that blocks up, changes new filter screen, then passes through flange with the head upper cover and detains on the jar body.
The positive effects are as follows: the invention conveys the slurry to be treated into the tank body through the slurry pump, and the slurry is discharged from the upper part after being filtered by the filter pipe, so as to separate the slurry. Has the advantages of large processing capacity and good mud-water separation effect. The method is suitable for being applied as a method for carrying out silt and water separation treatment by using a mud-water separation device.
Drawings
FIG. 1 is a structural combination diagram of a mud-water separating device according to the present invention;
FIG. 2 is a view showing the construction of a filter pipe of the mud-water separating apparatus according to the present invention;
FIG. 3 is an expanded view of a filter screen of the mud-water separating device according to the present invention;
FIG. 4 is a cross-sectional view of a filter pipe of the sludge-water separating apparatus according to the present invention;
FIG. 5 is a top view of a mounting plate of a filter pipe of the mud-water separating device according to the present invention;
FIG. 6 is a perspective view of a filter tube of the mud-water separating device of the present invention.
In the figure, 1, a supporting leg, 2, a tank body, 3, an upper sealing head cover, 4, a connecting flange, 5, a filter pipe mounting pore plate, 5.1, a filter pipe mounting pore, 6, a backwashing pipe, 7, a slurry pump, 8, a flow sensor, 9, a clean water control valve, 10, a pressure release valve, 10.1, a pressure sensor, 11, a filter pipe, 11.1, a clamping plate, 11.2, a pipe cavity, 11.3 pipe walls, 11.4, a filter screen, 11.5, pipe wall holes, 12, a backwashing pump, 13, a conical cavity, 14, a sludge discharge water valve, 15, a sludge discharge water pipe and 16, a PLC (programmable logic controller) are adopted.
Detailed Description
Mud-water separation device structure:
the lower part of a cylindrical tank body 2 is a lower conical cavity 13, the upper part of the tank body is covered on the upper opening of the tank body by a sealing head upper cover 3 through a connecting flange 4, the upper part of the tank body is welded with a filter pipe mounting pore plate 5, the upper part of the pore plate is connected with a back flushing pipe 6, the back flushing pipe is provided with a flow sensor 8 and a clear water control valve 9, the back flushing pipe is connected with a back flushing pump 12 through a pipeline, the tank body is connected with a slurry pump 7 through a pipeline, the lower part of the conical cavity is connected with a sludge discharge water pipe 15, the sludge discharge water pipe is provided with a sludge discharge water valve 14, the periphery of the lower part of the tank body is welded with three supporting legs 1 with intervals of 120 degrees, a filter;
a pressure relief pipe valve 10 is arranged in the tank body, and the upper part of the pressure relief pipe valve extends out of the upper cover of the sealing head;
the inner side part of the tank body is provided with a pressure sensor 10.1;
a pipe wall 11.3 is arranged outside a pipe cavity 11.2 on the filter pipe clamping plate 11.1, a filter screen 11.4 is wrapped on the periphery of the pipe wall, and a plurality of pipe wall holes 11.5 are formed in the periphery of the pipe wall;
a plurality of filter pipe mounting holes 5.1 are uniformly distributed on the filter pipe mounting hole plate;
the PLC is respectively in circuit connection with the pressure release valve, the clear water control valve and the sludge discharge valve, meanwhile, the flow sensor and the pressure sensor are respectively in circuit connection with the PLC, and the sludge pump and the backwashing pump are also in circuit connection with the PLC.
The filter pipe is in a circular pipe shape, and the clamping plate is in a circular plate shape;
the bottom of the filter pipe is closed, and the upper part of the filter pipe is provided with a pipe hole;
the filter screen uses one or more layers. The filtering material made of the high polymer material has smooth appearance and is beneficial to the falling off of silt.
Example (b):
the filter tube of the separation device is a PPR tube or a polypropylene tube, and the filter screen is made of microporous fiber filter cloth.
The silt and water separation method comprises the following steps:
the mud-containing sewage in the mud tank is conveyed into the tank body through a mud pump, mud water is filled in the tank body, mud is attached to the outside of a filter screen through the filter screen by the mud under the pressure action of the mud pump, clear water filtered through the filter screen is discharged into a space between a filter pipe mounting pore plate and an end socket upper cover from a pipe cavity through a pipe wall hole and is discharged through a clear water pipe and a clear water control valve to be used as clear water, the mud can be attached and retained on the filter screen after the filter pipe is used for a period of time, a back flush pump is opened at the moment, silt retained on the filter screen falls into a conical cavity through the clear water pipe, the mud water valve is deposited or opened to discharge the back flushed mud water from the mud water pipe, and after back flushing, the device performs mud water separation again.
After the filter tube live time is long, silt is protected and is stored up in the filter screen outside, blocks up the filter screen, influences separation efficiency, opens flange this moment, and processing head upper cover takes off from the jar body, and the filter tube is extracted from the filter tube mounting hole, pulls down the filter screen that blocks up, changes new filter screen, then passes through flange with the head upper cover and detains on the jar body.
High-concentration mud water discharged from the mud water discharge pipe is subjected to compression drainage treatment through a plate frame filter and a belt filter, so that dry discharge of silt and separation of clear water are realized.
The function of cardboard is that set up the filter tube in the filter tube hole, is unlikely to drop.
The outer diameter of the filter pipe is smaller than the hole of the filter pipe mounting pore plate, and the filter pipe is sealed by a rubber gasket.
The muddy water comprises mine muddy water, sludge muddy water, tailing sediment, tailing sand production tailing mud and the like.
The filter screen is preferably a fiber filter cloth or a microporous material, and the porous material comprises a plurality of layers of non-woven fabrics.
And the pressure relief pipe valve, the clear water control valve, the sludge discharge valve, the slurry pump and the backwashing pump are respectively connected with the PLC through circuits.
And the flow sensor and the pressure sensor are connected with the PLC through a circuit.
And a display screen is arranged on the panel of the PLC and used for displaying flow and pressure values.
The technical principle is as follows:
mud contains silt in the muddy water, if not handling then can influence the environment or cause and pile up, in order to separate muddy water, obtains the clear water, and discharges silt, adopts this device to carry out mud-water separation, and at the mud-water separation in-process, be equipped with the pipe wall hole on the filter tube pipe wall that uses, at the outside parcel filter screen of pipe wall, muddy water passes through the filter screen and partly discharges silt outside the body, discharges from the body suitable for reading through filterable clear water to mud-water separation has been realized.
The PLC controller can open or close the pressure release valve, the clear water control valve and the sludge discharge water valve so as to control the working condition state.
The flow sensor and the pressure sensor sense the flow and the pressure and transmit the flow and the pressure to the PLC controller to be used as judgment of a control index.
The slurry pump and the back washing pump are controlled to start and close through PLC control.
Preferably, the PLC is a domestic Mirabilitum industrial control board with the model number of FXZNFX3 UP. Belonging to the relay control type.
The pressure release valve, the clear water control valve and the sludge discharge valve belong to the relay type, and the motor switches of the sludge pump and the backwashing pump also belong to the relay type.
The method is characterized in that:
the device carries out mud-water separation through the filter pipe and recovers clear water, and the device is of a mechanical structure, and the mud-water separation process can be controlled by a computer, so that the control action is coordinated, and the labor and the cost are saved. Therefore, the method can be widely used for treating muddy water and sewage in various fields.
According to the treatment capacity, the volume of the tank body can be large or small, and the design space is large.
The device has wide application prospect, and can be imitated or improved by people in the process of popularization and specific implementation, but the related improvement is carried out under the condition of not violating the technical scheme of the device, and the protection range of the technical scheme is equal.

Claims (7)

1. A method for separating silt and water by using a mud-water separation device is characterized by comprising the following steps:
mud-water separation device:
the lower part of a cylindrical tank body (2) is provided with a lower conical cavity (13), the upper part of the tank body covers an upper sealing head cover (3) on an upper opening of the tank body through a connecting flange (4), the upper part of the tank body is welded with a filter pipe mounting pore plate (5), the upper part of the pore plate is connected with a back flushing pipe (6), the back flushing pipe is provided with a flow sensor (8) and a clear water control valve (9), the back flushing pipe is connected with a back flushing pump (12) through a pipeline, the tank body is connected with a slurry pump (7) through a pipeline, the lower part of the conical cavity is connected with a sludge discharge water pipe (15), the sludge discharge water pipe is provided with a sludge discharge water valve (14), the lower part of the tank body is circumferentially welded with three support legs (1) with intervals of 120 degrees, a filter pipe (11) is placed;
a pressure relief pipe valve (10) is arranged in the tank body, and the upper part of the pressure relief pipe valve extends out of the upper cover of the sealing head;
a pressure sensor (10.1) is arranged at the inner side part of the tank body;
a pipe wall (11.3) is arranged outside a pipe cavity (11.2) on the filter pipe clamping plate (11.1), a filter screen (11.4) is wrapped on the periphery of the pipe wall, and a plurality of pipe wall holes (11.5) are formed in the periphery of the pipe wall;
a plurality of filter pipe mounting holes (5.1) are uniformly distributed on the filter pipe mounting hole plate;
the PLC is respectively connected with the pressure release valve, the clear water control valve and the sludge discharge valve through circuits, meanwhile, the flow sensor and the pressure sensor are respectively connected with the PLC through circuits, and the sludge pump and the backwashing pump are also connected with the PLC through circuits;
the silt and water separation method comprises the following steps:
conveying sewage containing mud in a mud tank into a tank body through a mud pump, filling mud water into the tank body, attaching the mud to the outside of a filter screen through the filter screen by mud under the pressure action of the mud pump, discharging clear water filtered through the filter screen into a space between a filter pipe mounting pore plate and an end enclosure upper cover from a pipe cavity through a pipe wall hole, discharging the clear water through a clear water pipe and a clear water control valve to be used as clear water, wherein the mud is attached and retained on the filter screen after the filter pipe is used for a period of time, opening a back washing pump at the moment, dropping silt retained on the filter screen into a conical cavity through the clear water pipe, depositing or opening a mud water discharging valve to discharge the back-washed mud water from a mud water discharging pipe, and performing mud water separation again by the device after back washing;
after the filter pipe is used for a long time, silt is protected and accumulated outside the filter screen, the filter screen is blocked, the separation efficiency is influenced, the connecting flange is opened at the moment, the upper cover of the processing seal head is taken down from the tank body, the filter pipe is pulled out from the mounting hole of the filter pipe, the blocked filter screen is detached, a new filter screen is replaced, and then the upper cover of the seal head is buckled on the tank body through the connecting flange;
high-concentration mud water discharged from the mud water discharge pipe is subjected to compression drainage treatment through a plate frame filter and a belt filter, so that dry discharge of silt and separation of clear water are realized.
2. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: the filter tube is in a circular tube shape, and the clamping plate is in a circular plate shape.
3. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: the bottom of the filter pipe is closed, and the upper part of the filter pipe is provided with a pipe hole.
4. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: the filter screen uses one or more layers.
5. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: the outer diameter of the filter pipe is smaller than the hole of the filter pipe mounting pore plate, and the filter pipe is sealed by a rubber gasket.
6. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: the filter screen is preferably a fiber filter cloth or a microporous material, and the porous material comprises a plurality of layers of non-woven fabrics.
7. The method for separating silt and water by using the mud-water separation device as claimed in claim 1, which is characterized in that: and a data display screen and a control button are arranged on the panel of the PLC.
CN202010363110.XA 2020-04-30 2020-04-30 Method for separating silt and water by using mud-water separation device Active CN111659173B (en)

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CN111659173B CN111659173B (en) 2023-03-31

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904946A (en) * 1960-06-29 1962-09-05 Laval Turbine Pacific Company Improvements in or relating to a filtering process and apparatus
CN2633395Y (en) * 2003-08-04 2004-08-18 姜峰 Porous pipe type filter device
CN104906835A (en) * 2015-05-19 2015-09-16 郑小青 Mud-water separation device and slurry mud-water separation method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904946A (en) * 1960-06-29 1962-09-05 Laval Turbine Pacific Company Improvements in or relating to a filtering process and apparatus
CN2633395Y (en) * 2003-08-04 2004-08-18 姜峰 Porous pipe type filter device
CN104906835A (en) * 2015-05-19 2015-09-16 郑小青 Mud-water separation device and slurry mud-water separation method

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