CN111484229A - Quick enrichment facility of low concentration mud - Google Patents
Quick enrichment facility of low concentration mud Download PDFInfo
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- CN111484229A CN111484229A CN202010361358.2A CN202010361358A CN111484229A CN 111484229 A CN111484229 A CN 111484229A CN 202010361358 A CN202010361358 A CN 202010361358A CN 111484229 A CN111484229 A CN 111484229A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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Abstract
The utility model provides a quick enrichment facility of low concentration mud, its characterized in that includes pressure vessel, motor under water, brush, flange, scavenge pipe, container lid, manometer, multiple valve, variable speed controller, filter cloth, dredge pump, air compressor machine, dosing pump, a plurality of sensor, computer and so on component. Depending on the pumping pressure, water in the slurry permeates through the filter cloth, and mud particles are blocked below the filter cloth by the filter cloth, so that the effect of concentration is achieved; the mud skin below the filter cloth is cleaned through rotation of the brush, high-pressure air injection is assisted, the filter cloth is further cleaned, and the water permeation effect of the filter cloth is kept; the real-time concentration of the slurry in the pressure container can be obtained through the measurement result of the sensor and the calculation of a computer; compared with the traditional slurry concentration device, the device has the advantages of high slurry concentration efficiency, controllable concentrated slurry concentration, detachable device, simple maintenance and the like.
Description
Technical Field
The application relates to the field of mud-water rapid separation, in particular to a low-concentration mud rapid concentration device or machine.
Background
With the rapid development and urbanization process of industry and agriculture, the water environment pollution is more serious, and the influence on the living environment and the social and economic development of human beings is more and more large. In order to improve the water quality, besides controlling the pollution to rivers (lakes and reservoirs), the influence caused by endogenous pollution needs to be eliminated. Dredging is the most direct way to remove endogenous pollution in water, while the concentration of the dredged mud is mainly influenced by the impurity content of the sediment, and the dredged mud with high impurity content has lower concentration and can not meet the requirement of further treatment.
After separating garbage, large stone blocks and sorting sand, the low-concentration slurry is concentrated by gravity or machinery. The conventional gravity concentration efficiency is low, and the treatment requirements of subsequent procedures cannot be met; the mechanical concentration usually adopts a cyclone, the fluid cyclone is a common separation and classification device, and the centrifugal sedimentation principle is commonly used, most of coarse particles are discharged through a bottom flow port of the cyclone under the action of centrifugal sedimentation, and most of fine particles are discharged through an overflow pipe, so that the separation and classification purposes are achieved. However, the slurry treatment amount of the cyclone is limited, the concentration of the concentrated slurry is greatly influenced by the addition amount of the early dehydrating agent, the concentration of the concentrated slurry cannot be stably controlled, the cyclone is difficult to repair after being blocked by impurities, and the problem brings great difficulty to the subsequent slurry treatment process. If only filter cloth or filter membrane is adopted to filter mud, the water permeable holes of the filter cloth or the filter membrane are easily blocked by fine particle mud, so that the filtering is difficult. Therefore, there is a strong need in the market for an apparatus and method for rapidly concentrating mud.
Disclosure of Invention
The application aims to provide a low-concentration slurry rapid concentration device, wherein low-concentration slurry is conveyed into the concentration device, a certain amount of dehydrating agent is added, water in the slurry permeates through filter cloth by means of pumping pressure, and mud particles are blocked below the filter cloth by the filter cloth, so that the concentration effect is achieved; an underwater motor and a hairbrush are arranged in the concentration device, mud skin below the filter cloth is cleaned through rotation of the hairbrush, high-pressure air injection is assisted, the filter cloth is further cleaned, and the water permeation effect of the filter cloth is kept.
The technical scheme provided by the application is as follows:
the utility model provides a quick enrichment facility of low concentration mud, its characterized in that includes components such as pressure vessel 1, underwater motor 2, brush 3, flange 5, scavenge pipe 6, container lid 7, manometer 8, multiple valve, variable speed controller 10, filter cloth 11, pump 12, air compressor machine 13, dosing pump 14, a plurality of sensor, computer 17. The various valves include a water outlet valve 91, a dewatering agent inlet valve 92, a discharge valve 93, a slurry inlet valve 94, and an air inlet valve 95. The water-permeable cover plate 4 comprises water-permeable holes 41 and bolt holes 42.
The pressure container 1 is of a steel structure and is cylindrical;
the underwater motor 2 is arranged in the pressure container 1 and is fixedly connected with the bottom of the pressure container 1 through a support. The brush 3 is connected with the rotating shaft of the underwater motor 2, and the underwater motor 2 works in slurry to provide power for the rotation of the brush 3. The upper part of the hairbrush 3 is tightly attached to the lower surface of the filter cloth 11, and the mud skin attached to the lower surface of the filter cloth 11 is cleaned through the rotation of the hairbrush 3.
The water permeable cover plate 4 is of a steel structure, the middle of the water permeable cover plate is provided with a reticular water permeable hole 41, the filter cloth 11 is tightly attached to the lower part of the reticular water permeable hole 41, and filtered water of the filter cloth 11 is discharged from the reticular water permeable hole 41; the flange 5 is of a steel structure and is fixedly connected and contacted with the inner wall of the pressure container 1. The water-permeable cover plate 4 is connected with the filter cloth 11 and the flange 5 through the bolt holes 42, and the water-permeable cover plate 4, the filter cloth 11 and the flange 5 are sequentially arranged from top to bottom;
the cleaning pipe 6 is of a steel pipe structure and comprises an input port 61, a branch pipe 62 and an injection hole 63; is arranged between the water permeable cover plate 4 and the container cover 7 and is connected with the inner wall of the pressure container 1, and the input port 61 of the pressure container is connected with the air compressor 13 through a high-pressure pipeline; the cleaning pipe 6 is divided into 5 branch pipes 62 from the input port 61, the top ends of the branch pipes 62 are sealed, and the lower parts of the branch pipes 62 are distributed with jet holes 63 to form a net-shaped jet structure, so that the jet holes 63 are uniformly distributed above the net-shaped water permeable holes 41; the air compressor 13 provides high-pressure air injection for the cleaning pipe 6, and the mud skin on the lower surface of the filter cloth 11 is cleaned through back blowing to keep the water permeability of the filter cloth 11;
the pressure gauge 8 is arranged outside the pressure container 1, and the installation height of the pressure gauge 8 is lower than the position height of the flange 5, and is used for measuring the mud pressure inside the pressure container 1.
The various valves include a water outlet valve 91, a dewatering agent inlet valve 92, a discharge valve 93, a slurry inlet valve 94, and an air inlet valve 95. The water outlet valve 91 is arranged between the water permeable cover plate 4 and the container cover 7; the dehydrating agent feeding valve 92 is arranged between the slurry inlet valve 94 and the height of the flange 5, and the addition amount of the dehydrating agent is controlled by adjusting the size of the dehydrating agent feeding valve 92; the discharge valve 93 is arranged at the bottom of the pressure container 1, and the concentrated slurry is discharged through the discharge valve 93; a vertical slurry feeding valve 94 is arranged below the flange 5, and slurry enters the pressure container 1 through the slurry feeding valve 94; in the vertical direction, an air inlet valve 95 is installed between the water-permeable cover plate 4 and the container cover 7, and high-pressure air of the air compressor 13 enters the cleaning pipe 6 through the air inlet valve 95.
The plurality of sensors includes a flow meter 15, a concentration meter 16; the flowmeter 15 and the concentration meter 16 are both installed on a feeding pipeline and are used for respectively measuring instantaneous flow P and concentration W in the feeding process of low-concentration slurry, the sensor is connected with the computer 17, and the amount Q of the slurry entering the low-concentration slurry rapid concentration device is obtained through calculation of the computer 17, wherein Q is ═ integral multiple PW;
the utility model provides a low concentration mud rapid concentration device, its mud rapid concentration principle does:
the low-concentration slurry is conveyed into the pressure container 1 by the mud pump 12, the dehydrating agent is added at the same time, the mixed slurry is filtered by the filter cloth by depending on the high-pressure slurry inlet pressure of the mud pump 12, the particles of the slurry are blocked at the lower part of the filter cloth, and the water in the slurry is discharged by penetrating through the filter cloth, so that the low-concentration slurry achieves the concentration effect; because the holes of permeating water are easily blocked by tiny mud particles in the filtering process of the filter cloth, an underwater motor 2 and a brush 3 are arranged in a pressure container 1, the brush 3 is driven to rotate by the underwater motor 2, the mud skin blocked at the lower part of the filter cloth is cleaned, and the water permeating effect of the filter cloth is kept. When the rotating speed of the brush 3 is increased and the water permeating effect of the filter cloth cannot be guaranteed, the filter cloth is blown back through high-pressure air injection and is rotated in combination with the brush 3, and mud skin is further cleaned.
A low-concentration slurry rapid concentration device can obtain the real-time concentration of slurry in a pressure container, and the calculation method comprises the following steps:
the real-time concentration w of the slurry in the pressure container can be obtained through the flow and the concentration of the real-time feeding pipe measured in the high-pressure slurry feeding process, the specific gravity of slurry particles r (determined by experiments), and the volume V of the slurry in the pressure container1(ii) a Namely, obtaining the mud quantity Q entering a low-concentration mud rapid concentration device through a computer, wherein Q ═ PW; the volume V of the slurry in the pressure vessel is a fixed volume (below the filter cloth 11 filled with slurry),
the real-time concentration of the slurry in the pressure vessel
Compared with the prior art, the beneficial effect of this application lies in:
the design of this application has invented a quick enrichment facility of low concentration mud, and the device compares traditional mud enrichment facility, has advantages such as mud concentration efficiency is high, concentrated mud concentration is controllable, the device can be dismantled, the maintenance is simple.
Drawings
FIG. 1 is a schematic view of a low concentration slurry rapid thickening apparatus;
FIG. 2 is a schematic view of a water permeable cover plate 4;
FIG. 3 is a schematic view of a flange 5;
FIG. 4 shows a schematic view of a filter cloth 11;
FIG. 5 is a plan view of the cleaning tube 6;
the device comprises a pressure container 1, an underwater motor 2, a hairbrush 3, a water-permeable cover plate 4, a water-permeable hole 41, a bolt hole 42, a flange 5, a cleaning pipe 6, a container cover 7, a pressure gauge 8, a water outlet valve 91, a dehydrating agent feeding valve 92, a discharge valve 93, a slurry inlet valve 94, an air inlet valve 95, a variable speed controller 10, filter cloth 11, a pump 12, an air compressor 13, a dosing pump 14, a flowmeter 15, a concentration meter 16 and a computer 17.
Detailed Description
The following describes embodiments of the present application with reference to the drawings.
As shown in fig. 1, the device for quickly concentrating the low-concentration slurry is characterized by comprising a pressure container 1, an underwater motor 2, a brush 3, a flange 5, a cleaning pipe 6, a container cover 7, a pressure gauge 8, a plurality of valves, a variable speed controller 10, filter cloth 11, a pump 12, an air compressor 13, a dosing pump 14, a plurality of sensors, a computer 17 and other components. The valves relate to the outlet valve 91, dewatering agent inlet valve 92, discharge valve 93, slurry inlet valve 94, inlet valve 95. The water-permeable cover plate 4 comprises water-permeable holes 41 and bolt holes 42.
The pressure container 1 is of a steel structure and is cylindrical and is used for containing high-pressure slurry;
the underwater motor 2 is arranged in the pressure container 1 and is fixedly connected with the bottom of the pressure container 1 through a support. The underwater motor 2 works in the slurry to provide power for the rotation of the brush 3. A variable speed controller 10 (prior art) is connected to the underwater motor 2 to control the rate of rotation of the underwater motor 2.
The brush 3 is connected with the rotating shaft of the underwater motor 2, the upper part of the brush 3 is tightly attached to the lower surface of the filter cloth 11, the brush 3 is made of a wear-resistant material, and the mud skin attached to the lower surface of the filter cloth 11 is cleaned through rotation.
As shown in fig. 2, the water permeable cover plate 4 is made of a steel structure, a mesh-shaped water permeable hole 41 is arranged in the middle, the filter cloth 11 is tightly attached to the lower part of the mesh-shaped water permeable hole 41, and filtered water of the filter cloth 11 is discharged from the mesh-shaped water permeable hole 41; bolt holes 42 are distributed on the outer sides of the water permeable holes; the flange 5 is of a steel structure, a hole is arranged in the middle, and the outer side of the flange 5 is fixedly connected and contacted with the inner wall of the pressure container 1. The water-permeable cover plate 4 is placed above the flange 5, the filter cloth 11 is arranged between the water-permeable cover plate 4 and the flange 5, the positions of bolt holes of the water-permeable cover plate 4, the flange 5 and the filter cloth 11 are the same, the water-permeable cover plate 4 is connected with the filter cloth 11 and the flange 5 through the bolt holes 42, and the water-permeable cover plate 4, the filter cloth 11 and the flange 5 are sequentially arranged from top to bottom; the lower part of the filter cloth 11 is high-pressure slurry, and the water-permeable cover plate 4 provides supporting force for the filter cloth 11 and prevents the filter cloth 11 from being damaged due to the pressure of the slurry.
The cleaning pipe 6 is of a steel pipe structure and comprises an input port 61, a branch pipe 62 and an injection hole 63; is arranged between the water permeable cover plate 4 and the container cover 7 and is connected with the inner wall of the pressure container 1, and the input port 61 of the pressure container is connected with the air compressor 13 through a high-pressure pipeline; the cleaning pipe 6 is divided into 5 branch pipes 62 from the input port 61, the top ends of the branch pipes 62 are sealed, and the lower parts of the branch pipes 62 are distributed with jet holes 63 to form a net-shaped jet structure, so that the jet holes 63 are uniformly distributed above the net-shaped water permeable holes 41; the air compressor 13 provides high-pressure air injection for the cleaning pipe 6, and the mud skin on the lower surface of the filter cloth 11 is cleaned through back blowing to keep the water permeability of the filter cloth 11;
the container cover 7 is of a steel structure, is a cover on the upper part of the pressure container 1 and is connected with the pressure container 1 through bolts.
The pressure gauge 8 is arranged outside the pressure container 1, and the installation height position of the pressure gauge is lower than the position height of the flange 5, and the pressure gauge is used for measuring the mud pressure inside the pressure container 1.
The water outlet valve 91 is arranged between the water permeable cover plate 4 and the container cover 7, and the supernatant liquid of the high-pressure slurry after penetrating through the filter cloth 11 is discharged through the water outlet valve 91. The dehydrating agent feeding valve 92 is arranged between the slurry feeding valve 94 and the height of the flange 5, in order to accelerate the dehydration effect of the slurry, the dehydrating agent is added into the high-pressure slurry in the pressure container 1 through the dehydrating agent feeding valve 92, the type and the using amount of the dehydrating agent are determined according to a field test, and the adding amount of the dehydrating agent is controlled by adjusting the size of the dehydrating agent feeding valve 92. A discharge valve 93 is installed at the bottom of the pressure vessel 1, and the concentrated slurry is discharged through the discharge valve 93. A vertical up-flow valve 94 is mounted below the flange 5 and high pressure slurry enters the pressure vessel 1 through the inlet valve 94. In the vertical direction, an air inlet valve 95 is installed between the water-permeable cover plate 4 and the container cover 7, and high-pressure air of the air compressor 13 enters the cleaning pipe 6 through the air inlet valve 95.
The filter cloth 11 is of a net-shaped spraying structure, is made of wear-resistant materials, has dense meshes, can permeate water but cannot permeate mud particles, and is used for blocking the mud particles; bolt holes are distributed on the periphery of the filter cloth 11, and the filter cloth 11 is fixed between the water-permeable cover plate and the flange 5 through bolts;
the dredge pump 12 is a high pressure mud delivery device.
The dosing pump 14 is a dehydrating agent delivery device.
The plurality of sensors includes a flow meter 15, a concentration meter 16; the flowmeter 15 and the concentration meter 16 are both installed on a feeding pipeline and are used for respectively measuring instantaneous flow P and concentration W in the feeding process of low-concentration slurry, the sensor is connected with the computer 17, and the amount Q of the slurry entering the low-concentration slurry rapid concentration device is obtained through calculation of the computer 17, wherein Q is ═ integral multiple PW;
the utility model provides a low concentration mud rapid concentration device, its mud rapid concentration principle does:
the low-concentration slurry is conveyed into the pressure container 1 by the mud pump 12, the dehydrating agent is added at the same time, the mixed slurry is filtered by the filter cloth by depending on the high-pressure slurry inlet pressure of the mud pump 12, the particles of the slurry are blocked at the lower part of the filter cloth, and the water in the slurry is discharged by penetrating through the filter cloth, so that the low-concentration slurry achieves the concentration effect; because the holes of permeating water are easily blocked by tiny mud particles in the filtering process of the filter cloth, an underwater motor 2 and a brush 3 are arranged in a pressure container 1, the brush 3 is driven to rotate by the underwater motor 2, the mud skin blocked at the lower part of the filter cloth is cleaned, and the water permeating effect of the filter cloth is kept. When the rotating speed of the brush 3 is increased and the water permeating effect of the filter cloth cannot be guaranteed, the filter cloth is blown back through high-pressure air injection and is rotated in combination with the brush 3, and mud skin is further cleaned.
A low-concentration slurry rapid concentration device can obtain the real-time concentration of slurry in a pressure container, and the calculation method comprises the following steps:
measured by a high-pressure slurry-feed processThe flow and concentration of the real-time feeding pipe, the specific gravity r (experimentally determined) of slurry particles and the volume V of the slurry in the pressure container can be obtained, and the real-time concentration w of the slurry in the pressure container can be obtained1(ii) a Namely, obtaining the mud quantity Q entering a low-concentration mud rapid concentration device through a computer, wherein Q ═ PW; the volume V of the slurry in the pressure vessel is a fixed volume (below the filter cloth 11 filled with slurry),
the real-time concentration of the slurry in the pressure vessel
Further optimizing the technical scheme:
rubber pads are arranged between the water-permeable cover plate 4 and the filter cloth 11 and between the filter cloth 11 and the flange 5 to prevent mud from permeating;
the air compressor 13 can be replaced by a high-pressure pump, high water pressure is provided by the high-pressure pump, and filter cloth water permeable holes are cleaned through high-pressure flushing;
the filter cloth can be replaced by a permeable filter membrane.
The cylindrical pressure vessel 1 may be designed in other shapes as required.
Example 1
The use method of the low-concentration slurry rapid concentration device comprises the following steps:
s 1: opening the slurry inlet valve 94 and the water outlet valve 91, and closing the rest valves;
s 2: the mud pump 12 delivers high pressure mud into the pressure vessel 1;
s 3: starting the motor 2, adjusting the variable speed controller 10 to enable the brush 3 to rotate at a low speed;
s 4: simultaneously starting the dosing pump 14 and opening the dehydrating agent feeding valve 92, the dosing pump 14 delivering the dehydrating agent into the pressure vessel 1;
s 5: when the value of the pressure gauge 8 is more than 0.1MPa, the dosing pump 14 and the dehydrating agent feeding valve 92 are closed at the same time;
s 6: when the value of the pressure gauge 8 is larger than the set pressure value (determined according to the mud characteristic experiment), the mud pump 12, the dosing pump 14, the slurry inlet valve 94 and the dehydrating agent inlet valve 92 are closed at the same time;
s 8: the discharge valve 93 is opened and the high concentration slurry is automatically discharged.
Further, if the water output of the water outlet valve 91 is reduced, the speed change controller 10 is adjusted to increase the rotating speed of the brush 3; if the rotating speed of the hairbrush 3 cannot be adjusted to increase the water yield of the water outlet valve 91, high-pressure air injection is carried out to clean the filter cloth, and the cleaning method comprises the following steps:
t 1: opening the discharge valve 93 and the intake valve 95, closing the rest valves, and starting the air compressor 13;
t 2; starting the underwater motor 2, and rotating the hairbrush 3 to assist in cleaning mud on the lower surface of the filter cloth 11;
t 3: and (5) closing the air compressor 13 and the underwater motor 2, and finishing cleaning.
Further, if the components in the pressure vessel 1 are in failure, the failure repairing steps are as follows:
p 1: opening the drain valve 93;
p 2: after the pressure value of the pressure gauge 8 is determined to be 0, the components such as the container cover 7, the cleaning pipe 6, the water permeable cover plate 4 and the like are dismantled;
p 3: and carrying out operations such as filter cloth 11 replacement, underwater motor 2 repair and the like.
The foregoing description is illustrative of the present application and is not to be construed as limiting, but is intended to be exemplary of the best mode of carrying out the application and is in any way susceptible to modification, equivalent substitution, modification and the like without departing from the spirit of the application.
Claims (3)
1. A low-concentration slurry rapid concentration device is characterized by comprising a pressure container (1), an underwater motor (2), a brush (3), a flange (5), a cleaning pipe (6), a container cover (7), a pressure gauge (8), a plurality of valves, a variable speed controller (10), filter cloth (11), a pump (12), an air compressor (13), a dosing pump (14), a plurality of sensors and a computer (17); the water permeable cover plate (4) comprises water permeable holes (41);
the pressure container (1) is of a steel structure and is cylindrical;
the underwater motor (2) is arranged in the pressure container (1) and is fixedly connected with the bottom of the pressure container (1) through a bracket; the brush (3) is connected with a rotating shaft of the underwater motor (2), and the underwater motor (2) works in slurry to provide power for the rotation of the brush (3); the upper part of the brush (3) is tightly attached to the lower surface of the filter cloth (11), and the mud skin attached to the lower surface of the filter cloth (11) is cleaned through the rotation of the brush (3);
the water permeable cover plate (4) is of a steel structure, the middle of the water permeable cover plate is provided with a reticular water permeable hole (41), the filter cloth 11 is tightly attached to the lower part of the reticular water permeable hole (41), and filtered water of the filter cloth 11 is discharged from the reticular water permeable hole (41); the water-permeable cover plate (4) and the filter cloth (11) are connected with the flange (5) through bolts, and the water-permeable cover plate (4), the filter cloth (11) and the flange (5) are sequentially arranged from top to bottom;
the cleaning pipe (6) is of a steel pipe structure and comprises an input port (61), a branch pipe (62) and an injection hole (63); the cleaning pipe (6) is arranged between the water permeable cover plate (4) and the container cover (7) and is connected with the inner wall of the pressure container (1), and an input port (61) of the cleaning pipe is connected with the air compressor (13) through a high-pressure pipeline; the cleaning pipe (6) is divided into a plurality of branch pipes (62) from the input port (61), the top ends of the branch pipes (62) are sealed, and a plurality of injection holes (63) are distributed at the lower part of each branch pipe (62) to form a net-shaped injection structure, so that the injection holes (63) are uniformly distributed above the net-shaped water permeable holes (41); the air compressor (13) provides high-pressure air injection for the cleaning pipe (6), and the mud skin on the lower surface of the filter cloth (11) is cleaned through back blowing to keep the water permeability of the filter cloth (11);
the pressure gauge (8) is arranged outside the pressure container (1), and is used for measuring the pressure of slurry inside the pressure container (1) below the position height of the flange (5);
the multiple valves comprise a water outlet valve (91), a dehydrating agent feeding valve (92), a discharge valve (93), a slurry inlet valve (94) and an air inlet valve (95); the water outlet valve (91) is arranged between the water permeable cover plate (4) and the container cover (7); the dehydrating agent feeding valve (92) is arranged between the pulp inlet valve (94) and the height of the flange (5); the discharge valve (93) is arranged at the bottom of the pressure container (1); the vertical slurry feeding valve (94) is arranged below the flange (5); in the vertical direction, the air inlet valve (95) is arranged between the water permeable cover plate (4) and the container cover (7);
the plurality of sensors includes a flow meter (15), a concentration meter (16); the flow meter (15) and the concentration meter (16) are both installed on a feeding pipeline, instantaneous flow P and concentration W in the feeding process of low-concentration mud are respectively measured, the two sensors are connected with the computer (17), and the mud amount Q entering the low-concentration mud rapid concentration device is obtained through calculation of the computer (17), wherein Q is ═ PW.
2. The apparatus for rapid concentration of low concentration slurry as claimed in claim 1, wherein the rapid concentration principle of the slurry is as follows:
low-concentration slurry is conveyed into a pressure container (1), a dehydrating agent is added, the slurry is filtered by filter cloth by means of high-pressure slurry inlet pressure of a mud pump (12), slurry particles are blocked at the lower part of the filter cloth, and water in the slurry is discharged through the filter cloth, so that the concentration effect is achieved; however, the water permeable holes are easily blocked by fine mud particles in the filtering process of the filter cloth, the brush (3) is driven to rotate by the underwater motor (2), so that the mud skin blocked at the lower part of the filter cloth is cleaned, and the water permeable effect of the filter cloth is kept; when the rotating speed of the brush (3) is increased and the water permeating effect of the filter cloth cannot be guaranteed, the filter cloth is blown back through high-pressure air injection and is combined with the rotation of the brush (3) to further clean mud skin.
3. The apparatus of claim 1, wherein the real-time concentration of the slurry in the pressure vessel is obtained by:
the real-time concentration w of the slurry in the pressure container can be obtained through the flow and the concentration of the real-time feeding pipe measured in the high-pressure slurry feeding process, the specific gravity of slurry particles r (determined by experiments), and the volume V of the slurry in the pressure container1(ii) a Namely, obtaining the mud quantity Q entering a low-concentration mud rapid concentration device through a computer, wherein Q ═ PW; the volume V of the slurry in the pressure container is a fixed volume (the filter cloth (11) is filled with the slurry below),
the real-time concentration of the slurry in the pressure vessel
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361358.2A CN111484229A (en) | 2020-04-30 | 2020-04-30 | Quick enrichment facility of low concentration mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361358.2A CN111484229A (en) | 2020-04-30 | 2020-04-30 | Quick enrichment facility of low concentration mud |
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| CN111484229A true CN111484229A (en) | 2020-08-04 |
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| CN202010361358.2A Pending CN111484229A (en) | 2020-04-30 | 2020-04-30 | Quick enrichment facility of low concentration mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830269A (en) * | 2021-10-18 | 2021-12-24 | 中国舰船研究设计中心 | Flange structure for butt joint of pressure-resistant cabin sections of underwater special equipment and mounting method of flange structure |
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| CN113830269A (en) * | 2021-10-18 | 2021-12-24 | 中国舰船研究设计中心 | Flange structure for butt joint of pressure-resistant cabin sections of underwater special equipment and mounting method of flange structure |
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Inventor after: Tao Runli Inventor after: Shi Hongtao Inventor after: Zhu Ping Inventor after: Zhou Zhenyan Inventor after: Shi Shaogang Inventor after: Jiang Tianji Inventor after: Zeng Jiachen Inventor after: Hao Yuchi Inventor after: Sun Wenbo Inventor after: Feng Bo Inventor after: Jiang Shuai Inventor after: Zheng Shihua Inventor after: Yuan Chaozhe Inventor after: Luo Zhang Inventor before: Sun Wenbo Inventor before: Zeng Jiachen Inventor before: Zhu Ping Inventor before: Zhou Zhenyan Inventor before: Shi Shaogang Inventor before: Jiang Tianji Inventor before: Feng Bo Inventor before: Tao Runli Inventor before: Jiang Shuai Inventor before: Zheng Shihua Inventor before: Hao Yuchi Inventor before: Yuan Chaozhe Inventor before: Luo Zhang Inventor before: Shi Hongtao |