CN104961322A - Mud-water separation device and slurry mud-water separation method - Google Patents

Abstract

The invention discloses a mud-water separation device, which comprises a main tank body with an inner cavity, and a plurality of filter suction ends are arranged on the upper part of the main tank cavity, and the filter suction ends are equipped with grid brackets and filter cloths. A plurality of filter suction ends are connected in parallel to the suction pipe, and the suction pipe is equipped with a suction pump; the upper end of the main tank is provided with a spiral coil, the outer end of the coil is connected to the mud delivery pipe, and the main tank is fixed with a coil The downpipe connected to the inner end of the pipe, the end of the downpipe opens towards the inner cavity, the screw conveyor belt is fixed in the mud delivery pipe, the lower end of the main tank has a mud discharge outlet, the mud delivery pipe is connected with the mud mixing tank, and the mud mixing tank Equipped with automatic quantitative feeding device for delivery of auxiliary agents. The present invention also provides a method for separating mud and water by using the above mud-water separation device. The mud-water separation device can automatically and continuously separate mud and water. The mud-water separation efficiency is higher, the operation is more convenient, and less labor is required.

Description

Mud-water separation device and method for mud-water separation

technical field

The present invention relates to a muddy water separation device which can separate muddy water. The present invention also relates to a method for separating mud and water by using the above mud-water separation device.

Background technique

The traditional mud separation system generally includes a flocculation tank, a mud filter press device and a drainage device. After the mud enters the flocculation tank, flocculant and lime need to be manually added. Because the mixing of the flocculant and lime with the mud needs to be relatively uniform to achieve the ideal muddy water Separation and stratification effect, but manual stirring and mixing basically cannot meet the requirements of uniform mixing.

Contents of the invention

In view of the deficiencies in the background technology, the technical problem to be solved by the present invention is to provide a mud-water separation device that can better realize mud-water separation. The technical problem to be solved by the present invention also includes providing a method for separating mud and water by using the above mud-water separation device.

The present invention is accomplished by adopting the following technical solutions: the mud-water separation device includes a main tank body with an inner cavity, the upper part of the main tank inner cavity is provided with a plurality of filter suction ends, and the filter suction ends are equipped with grids Support and filter cloth, multiple filter suction ends are connected in parallel on the suction pipe, and the suction pipe is equipped with a suction pump; the upper end of the main tank is provided with a spiral coil, and the outer end of the coil is connected to the mud delivery pipe , the main tank body is fixedly provided with a downpipe connected to the inner end of the coil, the end of the downpipe opens toward the inner cavity, a screw conveyor belt is fixedly arranged in the mud delivery pipe, and the outer end of the screw conveyor belt is equipped with a mud delivery pipe pump, the lower end of the main tank has a mud discharge outlet.

The present invention also provides the method that adopts above-mentioned mud-water separating device to carry out mud mud-water separation: comprise A, the mud that is mixed with flocculant and lime is transported to screw conveyer belt place by mud conveying pipe by mud conveying pump, and mud is in the screw conveyer belt Slow flow; B. The mud is transported into the coil by the mud delivery pipe, and the mud detours in the coil until it reaches the descending pipeline and is discharged into the inner cavity of the main tank; C. After the mud enters the inner cavity of the main tank, Under the action of flocculant and lime, the mud appears up and down stratification, the upper layer is the underwater layer is the mud, the water in the upper layer is filtered through the suction end of the filter and sucked into the suction pipe to be discharged, and the mud in the lower layer is discharged through the mud discharge outlet.

The mud-water separation device provided by the present invention has the following advantages: 1. The spiral conveyor belt in the spiral coil pipe and the mud conveying pipe makes the uniform mixing effect of mud and flocculant etc. better, which is mainly reflected in the growth of the mixing pipeline and the change of the mixing channel ;2. The use of tanks to separate mud can facilitate the quantitative input of mud and output of water and mud, which improves the efficiency of mud-water separation and can increase the discharge of separated water; 3. The suction pipe is equipped with a filter suction end with filtering function , so that the discharged water is cleaner and can be used without sedimentation and other treatments.

Description of drawings

The present invention has following accompanying drawing:

Fig. 1 is a schematic cross-sectional view of the structure of the mud-water separation device provided by the present invention.

Detailed ways

The accompanying drawings show the technical solution of the present invention and its embodiments, and the relevant details and working principles of the embodiments will be further described below in conjunction with the accompanying drawings.

With reference to shown in Fig. 1, the mud-water separation device that the present invention provides, comprises main tank body 1, has inner cavity in the main tank body 1, and the upper part of described main tank body 1 inner cavity is provided with a plurality of filter water suction ends 2, and filter water suction The end 2 has a grid support 3 and a filter cloth 4, and a plurality of filter suction ends 2 are connected in parallel on the water suction pipe 5, and the water suction pipe 5 is equipped with a water suction pump 6; the upper end of the main tank body 1 is provided with a spiral coil 7 , the outer end of the coil pipe 7 is in communication with the mud conveying pipe 8, and the main tank body 1 is fixedly provided with a descending pipe 9 connected to the inner end of the coil pipe 7, and the coil pipe 7 surrounds from the outside to the inside and is in the main tank body 1. The center of the upper end of the tank body 1 is connected downwards with the downward pipeline 9, the end of the downward pipeline 9 opens towards the inner cavity, the open end of the downward pipeline 9 is provided with a trumpet-shaped outlet 13, and the filter suction end 2 is located above the trumpet-shaped outlet 13. A screw conveyor belt 10 is fixedly arranged in the mud delivery pipe 8 , and a mud delivery pump 11 is arranged at the outer end of the screw conveyor belt 10 , and a mud discharge outlet 12 is provided at the lower end of the main tank.

With reference to shown in Figure 1, in order to make the work of the mud-water separation device more automatic, a liquid level monitoring device 14 is arranged in the described cavity, and the liquid level monitoring device 14 is above the filter suction end, and the liquid level detecting device 14 is connected with the mud delivery The control device of the pump 11 is connected, and the control device is generally PLC, etc. When the liquid level of the mud in the inner cavity of the main tank 1 is lower than the critical liquid level of the liquid level monitoring device 14, the mud delivery pump 11 continues to work to transport the mud When the liquid level of the mud in the inner cavity is higher than or equal to the monitoring liquid level of the liquid level monitoring device 14, the mud delivery pump 11 stops working and no longer transports mud. Through the liquid level monitoring device 14, the injection of mud can be more targeted, which is beneficial to achieve a balance between the discharge of water and mud and the injection of mud, and is conducive to improving work efficiency.

The present invention also provides a kind of method that adopts mud-water separation device to carry out mud mud-water separation, comprising A, the mud that will be mixed with flocculant and lime is transported to screw conveyer belt 10 places by mud delivery pipe 8 by mud delivery pump 11, and mud is in Slowly flow in the screw conveyor belt 10; B, mud is transported into the coiled pipe 7 by the mud conveying pipe 8, and the mud detours in the coiled pipe 7 until it reaches the horn-shaped outlet 13 of the downpipe 9 and is discharged into the main tank 1 inner cavity; C. After the mud enters the inner cavity of the main tank body 1, under the action of flocculant and lime, the mud is layered up and down, and the upper layer is the underwater layer. The mud in the lower layer is discharged through the mud discharge outlet 12.

Claims (7)

1. A kind of mud-water separation device, it is characterized in that: comprise main tank body, have inner cavity in the main tank body, a plurality of filtering water suction ends are arranged on the upper part of described main tank inner cavity, filter water suction end has grid support and filter A plurality of filter suction ends are connected in parallel on the suction pipe, and the suction pipe is equipped with a suction pump; the upper end of the main tank is provided with a spiral coil, and the outer end of the coil is connected to the mud delivery pipe. The main tank body is fixed with a downpipe connected to the inner end of the coil, the end of the downpipe opens toward the inner cavity, a screw conveyor belt is fixedly set in the mud delivery pipe, and a mud delivery pump is arranged at the outer end of the screw conveyor belt. The lower end of the main tank has a mud discharge outlet. 2. The mud-water separation device according to claim 1, characterized in that: the opening end of the descending pipeline is provided with a trumpet-shaped outlet. 3. The mud-water separation device according to claim 2, characterized in that: the filter suction end is located above the trumpet-shaped outlet. 4. The mud-water separation device according to claim 1, 2 or 3, characterized in that: the coil pipe surrounds from outside to inside and connects downward at the center of the upper end of the main tank to the downgoing pipeline. 5. The mud-water separation device according to claim 1, 2 or 3, characterized in that: a liquid level monitoring device is arranged in the inner cavity, the liquid level monitoring device is located above the suction end of the filter, and the liquid level detection device is connected with the The control device of the mud delivery pump is connected. When the liquid level of the mud in the inner cavity is lower than the critical level of the liquid level monitoring device, the mud delivery pump continues to work to transport the mud. The liquid level of the mud in the inner cavity is higher than or equal to the monitoring liquid level of the liquid level monitoring device, the mud delivery pump stops working and no longer delivers mud. 6. The mud-water separation device according to claim 4, characterized in that: a liquid level monitoring device is arranged in the inner cavity, the liquid level monitoring device is located above the suction end of the filter, and the liquid level detection device is connected with the mud delivery pump. The control device is connected, and when the liquid level of the mud in the inner cavity is lower than the critical liquid level of the liquid level monitoring device, the mud delivery pump continues to work to transport the mud, and the liquid level of the mud in the inner cavity is higher than or equal to the liquid level When the monitoring device monitors the liquid level, the mud delivery pump stops working and no longer delivers mud. 7. A method of using the mud-water separation device shown in claim 1 or 2 or 3 to carry out mud mud-water separation: comprising A, the mud mixed with flocculant and lime is transported to the screw conveyor belt by a mud delivery pipe using a mud delivery pump , the mud flows slowly in the screw conveyor belt; B, the mud is transported into the coil by the mud conveying pipe, and the mud detours in the coil until it reaches the downpipe and is discharged into the inner cavity of the main tank; C, the mud After entering the inner cavity of the main tank, under the action of flocculant and lime, the mud appears up and down, and the upper layer is the underwater layer, which is the mud. The water in the upper layer is filtered through the suction end of the filter and sucked into the suction pipe. The outlet is discharged outwards.