CN111450603A

CN111450603A - Immersion flow type solid-liquid separation device

Info

Publication number: CN111450603A
Application number: CN201910055578.XA
Authority: CN
Inventors: 唐义龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-07-28

Abstract

A solid-liquid separation filter for environmental protection water treatment industry features that a chain (gear) on feeding steel cylinder at one end of filtering cylinder is driven by power to rotate at uniform speed on the drive roller seat at one end of water tank and the rollers on supporting roller frame in said tank, the liquid with a certain flow rate flows from feeding steel cylinder to filter cavity, under the action of filtering net, the solid particles are quickly separated from liquid, and the liquid is discharged from liquid outlet by liquid level sensor controller and always kept in a certain liquid level balance mode. And when the filter screen roller body stops rotating, the cleaning water pump is started, and the cleaning nozzle in the water tank body cleans the filter screen and then the power and cleaning water pump are closed.

Description

Immersion flow type solid-liquid separation device

Technical Field

The invention belongs to technical equipment of a solid-liquid separation filter in the environmental protection water treatment industry, which is used for filtering and separating solid particles in liquid.

Background

Solid-liquid separation filtering equipment for environment-friendly water treatment in the current market, such as a horizontal screw centrifugal separator, a vacuum belt filter press, a plate-and-frame filter press, a reverse-cut fine-grid micro-filter, a disc micro-filter and the like, belong to a dry method or gravity separation filtering method, and the equipment is complex to process and high in price; the filter screen (cloth) is easy to block and break, needs to be backwashed, has poor filtering effect, is difficult to install equipment, replace the filter screen (cloth), maintain and the like; and the defect that the separation and filtration of large-flow liquid cannot be met exists.

Disclosure of Invention

The invention aims to provide technical equipment capable of performing solid-liquid separation in a liquid phase state, belongs to immersion flow type wet filtration, and is remarkably improved compared with the existing solid-liquid separation technology. The technical equipment adopts a modular design, has a simple structure and is convenient to assemble; the filter screen is durable, the screen replacement is convenient and quick, the filtering is fine, the self-cleaning is realized, and the slag is discharged automatically; can be applied to advanced technical equipment with different fluid and flow solid-liquid separation and filtration requirements.

The invention is realized by the following technical scheme: an open water tank body [5] capable of keeping a certain liquid level is adopted, a liquid level sensing controller [10] is arranged in the water tank body [5], a liquid discharge port [15] is arranged at the bottom of the water tank body [5], a cleaning nozzle [12] is arranged on the water tank body [5], and a filter screen roller body supporting wheel frame [13] is arranged in the water tank body [5 ]; one end of the water tank body [5] is provided with a filter screen roller body transmission roller seat [2] and power [1], the other end of the water tank body [5] is provided with a solid discharging device [17], and a cover hood [7] is arranged above the water tank body [5] to prevent liquid from splashing. A filter screen roller body is horizontally arranged on a transmission roller seat [2] at one end of a water tank body [5] and a supporting roller frame [13] in the tank body, one end of the filter screen roller body is a liquid feeding steel cylinder [3], the middle of the filter screen roller body is a filter screen framework, a plurality of filter screen sheets [6] are arranged on the framework, a relatively closed filter screen cavity is formed by embedding connection, the other end of the filter screen roller body is a conical slag discharge port, a solid particle guide vane [8] and a conical discharge guide rail vane [16] are arranged in the filter screen roller body, a chain (tooth) wheel [4] is fixedly arranged on the liquid feeding steel cylinder [3] at one end of the filter screen roller body, a power [1] drives the chain (tooth) wheel [4] to be transmitted to the filter screen roller body to rotate on a roller on the supporting roller frame [13] in the water tank body [5] at a certain liquid level after being started by an electric appliance control box [9, because a part of the filter screen roller body is immersed in a water tank body [5] with a certain liquid level regulated and controlled by a liquid level sensing controller [10], an immersion flow type suspension filtration state is formed, solid particles contained in liquid are separated from the liquid under the action of a filter screen sheet [6], and the solid particles are pushed to a conical discharge guide rail blade [16] along a guide blade [8] and discharged from a solid discharging device [17 ]; the filtered liquid is discharged from a liquid outlet (15) at the bottom of the sink box body (5); the filtered liquid is relatively clean, the filter screen of the filter screen sheet [6] is cleaned when the filter screen roller body rotates, so that the filter screen is not blocked, and when the filter screen roller body stops working, the cleaning water pump [14] is started through the electric appliance control box [9], and the cleaning nozzle [12] arranged in the cleaning pipeline connecting water tank box body [5] is used for cleaning the filter screen in time; the water tank body [5], the electrical appliance control box [9] and the cleaning water pump [14] are fixed on the base [11 ].

Description of the drawings:

fig. 1 is a front view.

The invention is further described with reference to fig. 1:

as shown in figure 1, a water tank body [5] is provided with parts such as a power [1], a transmission roller seat [2], a cover [7], a liquid level sensing controller [10], a cleaning nozzle [12], a supporting roller frame [13], a liquid discharge port [15] and a solid discharging device [17], and the water tank body [5], an electrical appliance control box [9] and a cleaning water pump [14] are fixed on a base [11 ]. One end of the filter screen roller body is a feeding steel cylinder [3] and a transmission chain (gear) wheel [4], the middle is a filter screen framework structure, the framework is connected into a relatively closed filter screen cavity by a plurality of filter screen sheets [6], the framework is also provided with a guide vane [6] and a conical discharging guide rail vane [16], and the other end of the filter screen roller body is a slag outlet. The filter screen roller body is arranged in a water tank body (5) with a certain liquid level, the feeding steel cylinder (3) is erected on the roller on the transmission roller seat (2) on the water tank body (5), and the middle filter screen framework structure is erected on the roller on the supporting roller frame in the water tank body (5). When the device operates, the electric appliance control box [9] starts the power [1] to drive the chain (gear) wheel [4] on the feeding steel cylinder [3] at one end of the filter screen roller body, the filter screen roller body rotates at a constant speed on the transmission roller seat [2] and the rollers on the supporting roller frame [13], liquid with a certain flow rate flows into a relatively closed filter screen cavity from the feeding steel cylinder [5], under the action of the filter screen sheet [6], solid particles are quickly separated from liquid, the liquid is discharged from the liquid outlet [15] through the regulation and control of the liquid level sensing controller, and a certain liquid level balance mode is always kept in the water tank body [5], therefore, an immersion flow type suspension filtration state is formed, and solid particles are propelled by the guide vane [8] and enter the solid discharge device [17] along the tapered discharge guide rail vane [16] to the slag outlet at the other end of the filter screen roller body. One part of the filter screen roller body is immersed in a certain liquid level in the water tank body [5], the liquid is relatively clean after being filtered by the filter screen, and the filter screen also completes the self-cleaning process when the filter screen roller body rotates at a constant speed, and the liquid flows continuously, so that the filter screen is always kept in a circulating filtering environment, cannot be blocked and is not easy to damage. The solid particles are separated from the liquid under the immersion flow type suspension filtration state, the concentration is increased under the propulsion of the guide vane [8], and the solid particles enter the conical discharge guide rail vane [16] to gradually form a bulk solid body and are discharged through the solid discharging device [17 ]. When the device is finished, the electric control box (9) starts the cleaning water pump (14), and after the filter screen (6) is cleaned by the cleaning nozzle (12) in the water tank body (5), the electric control box (9) closes the power (1) and the cleaning water pump (14).

The specific implementation mode is as follows:

the specific implementation mode of the invention is as follows:

1. the immersion flow type solid-liquid separation device is provided with a water tank body capable of keeping a certain liquid level balance, when a filter screen roller body rotates in the water tank body, solid particles in liquid are maintained in a certain liquid level under the action of a filter screen to form a suspension flow filtering separation state, the filter screen is cleaned by the liquid after solid-liquid separation, the filter screen can be continuously and circularly filtered, and therefore ideal filtering effects of different flow fluids in relative filtering spaces are achieved.

2. The immersion flow type solid-liquid separation device is advanced pretreatment technical equipment in the environmental protection water treatment project. The device can be widely applied to solid-liquid separation and filtration of various fluids with different flow rates, such as various industrial wastewater, urban domestic sewage, tap water raw water and the like in the environment-friendly water treatment project.

3. The immersion flow type solid-liquid separation device is in modular design, simple in structure and fast in assembly, automatic operation and remote operation can be achieved, and required parts are made of stainless steel.

4. The immersion flow type solid-liquid separation device is convenient to install, occupies a small area, and due to the unique design of the filter screen, the filter screen is high in utilization rate, durable and not easy to damage, and convenient to install and maintain.

Claims

1. A submerged flow type solid-liquid separation device; a solid-liquid separation filter technical equipment for environmental protection water treatment industry, used for filtering and separating solid particles in various fluids; the method is characterized in that: an open water tank body [5] capable of keeping a certain liquid level is adopted, a liquid level sensing controller [10] is arranged in the water tank body [5], a liquid discharge port [15] is arranged at the bottom of the water tank body [5], a cleaning nozzle [12] is arranged on the water tank body [5], and a filter screen roller body supporting wheel frame [13] is arranged in the water tank body [5 ]; one end of the water tank body [5] is provided with a filter screen roller body transmission roller seat [2] and power [1], the other end of the water tank body [5] is provided with a solid discharging device [17], and a cover hood [7] is arranged above the water tank body [5] to prevent liquid from splashing; a filter screen roller body is horizontally arranged on a transmission roller seat [2] at one end of a water tank body [5] and a supporting roller frame [13] in the tank body, one end of the filter screen roller body is a liquid feeding steel cylinder [3], the middle part of the filter screen roller body is a filter screen framework, a plurality of filter screen sheets [6] are arranged on the framework, a relatively closed filter screen cavity is formed by embedding connection, the other end of the filter screen roller body is a conical slag discharge port, and a solid particle guide vane [8] and a conical discharge guide rail vane [16] are arranged in the filter screen roller body.

2. A submerged flow type solid-liquid separation device; after the power [1] is started by an electric appliance control box [9], a chain (gear) wheel [4] is driven to a filter screen roller body to rotate on a roller on a supporting wheel frame [13] in a water tank body [5] at a certain liquid level, liquid enters a relatively closed filter screen cavity from a feeding steel cylinder [3], a part of the filter screen roller body is immersed in the water tank body [5] at a certain liquid level regulated and controlled by a liquid level sensing controller [10] to form an immersion flow type suspension filtering state, solid particles contained in the liquid are separated from the liquid under the action of a filter screen sheet [6], and the solid particles are propelled to a conical discharging guide rail blade [16] along a guide blade [8] and discharged from a solid discharging device [17 ]; the filtered liquid is discharged from a liquid outlet (15) at the bottom of the sink box body (5); the filtered liquid is relatively clean, the filter screen of the filter screen sheet [6] is cleaned when the filter screen roller body rotates, so that the filter screen is not blocked, and when the filter screen roller body stops rotating, the cleaning water pump [14] is started through the electric appliance control box [9], and the cleaning nozzle [12] arranged in the cleaning pipeline connecting water tank box body [5] is used for cleaning the filter screen in time; the water tank body [5], the electrical appliance control box [9] and the cleaning water pump [14] are fixed on the base [11 ].