Automatic scraping control mechanism for air flotation water purification device

Abstract

The utility model discloses an automatic scraping control mechanism of an air flotation water purification device in the field of polyester staple fiber sewage treatment, comprising a vertical cylinder, a partition assembly is arranged in the vertical cylinder, the partition assembly comprises an outer door frame, the outer door frame comprises an upper door frame edge, two left and right opposite side door frame edges are arranged correspondingly below the upper door frame edge, the side door frame edges are arranged vertically, a cylinder is arranged vertically on the upper door frame edge, an end plate is arranged at the lower end of the cylinder body of the cylinder, the end plate is fixedly connected to the upper door frame edge through a plurality of fasteners, the piston rod of the cylinder passes downward through the upper door frame edge and is connected to a gate body, and the gate body is arranged corresponding to the outer door frame. The utility model can automatically scrape the slag at a fixed time, does not require manual participation, avoids forgetting to scrape the slag, realizes the requirements of automatic control, and greatly improves the clarity of the treated water.

Description

Technical Field

[0001] The utility model belongs to the field of polyester staple fiber sewage treatment, and particularly relates to an automatic scraping control mechanism of an air flotation water purification device. Background Art

[0002] The wastewater generated by the polyester staple fiber manufacturing process needs to be scraped before it is discharged to remove the scum on the water surface, and finally the water can be discharged. Before scraping the water, the gate needs to be closed. At present, the gate is usually opened and closed manually, and the scraper is controlled to work, and the scraper is scraped manually from time to time. The problem is that this working method is cumbersome to operate and easy to forget to scrape, resulting in the defect of more floating mud in the treated water; at the same time, it does not meet the needs of automatic control. Utility Model Content

[0003] The utility model aims to provide an automatic scraping control mechanism for an air flotation water purification device, which can automatically scrape the residue at a fixed time without manual participation, avoids forgetting to scrape the residue, realizes the automatic control requirements, and greatly improves the clarity of the treated water.

[0004] The purpose of the utility model is achieved as follows: an automatic scraping control mechanism for an air flotation water purification device comprises a vertical cylinder, a partition assembly is arranged in the vertical cylinder, the partition assembly comprises an outer door frame, the outer door frame comprises an upper door frame edge, two left and right opposite side door frame edges are arranged correspondingly below the upper door frame edge, the side door frame edges are arranged vertically, a cylinder is arranged vertically on the upper door frame edge, an end plate is arranged at the lower end of the cylinder body of the cylinder, the end plate is fixedly connected to the upper door frame edge by a plurality of fasteners, the piston rod of the cylinder passes downward through the upper door frame edge and is connected to a gate body, and the gate body is arranged corresponding to the outer door frame.

[0005] The interior of the vertical cylinder of the utility model is divided into two areas of equal area through the outer door frame, and the two areas are connected to the water pipes before and after treatment through the openings on the side of the vertical cylinder; the timer is used for timed scraping control through pLC programming, and the solenoid valve is used to control the cylinder to realize the opening and closing of the gate. The solenoid valve on the air intake pipe is opened, and the cylinder drives the gate to descend and close. The drainage gap between the gate body and the bottom wall of the vertical cylinder is blocked, and the scraper works to remove the slag; after the slag is removed, the solenoid valve is closed, the piston rod of the cylinder rises, and the gate is opened for drainage; the automatic opening of the scraper and the drainage gate is controlled by the liquid level and the set time. Compared with the prior art, the beneficial effects of the utility model are: it can automatically scrape the slag on time, without manual participation, avoiding forgetting to scrape the slag, realizing the requirements of automatic control, and greatly improving the clarity of the treated water.

[0006] As a further improvement of the utility model, the vertical cylinder is rectangular, and the top of the vertical cylinder is open.

[0007] As a further improvement of the utility model, the outer door frame is arranged along the width direction of the vertical cylinder, the interior of the vertical cylinder is divided into two areas of equal area by the outer door frame, the cross-sections of the upper door frame edge and the side door frame edge are both U-shaped, the opening of the upper door frame edge faces downward, and the openings of the two side door frame edges are arranged oppositely. The interiors of the upper door frame edge and the side door frame edge guide the gate body.

[0008] As a further improvement of the utility model, the gate body includes a horizontal upper door plate and a lower door plate, four side door plates in a rectangular shape are vertically arranged between the upper door plate and the lower door plate, a connecting shaft is arranged between the two side door plates on the front and rear sides, and the piston rod of the cylinder extends downward into the gate body and is hinged to the connecting shaft through a joint. The joint is sleeved on the connecting shaft and is hinged thereto, and the piston rod of the cylinder extends into the gate, thereby avoiding water leakage caused by a gap on the top when the gate is closed, and the gate body is stuck in the edge of the upper door frame to block the water.

[0009] As a further improvement of the utility model, the air inlet and the air outlet of the cylinder are connected to the air inlet pipe and the air outlet pipe respectively. The air inlet pipe and the air outlet pipe are provided with electromagnetic valves to control the air in and out of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a top view of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the gate body and outer door frame.

[0012] Figure 3 It is a schematic diagram of the structure of the inner and outer door frames of the vertical tube.

[0013] Figure 4 This is a cross-sectional view of the upper door frame.

[0014] Figure 5 This is the connection diagram between the cylinder and the gate body.

[0015] Figure 6 It is a cross-sectional view in the thickness direction of the gate body.

[0016] Among them, 1 vertical cylinder, 2 outer door frame, 2a upper door frame edge, 2b side door frame edge, 3 cylinder, 4 end plate, 5 fastener, 6 gate body, 6a upper door plate, 6b lower door plate, 6c side door plate, 7 area, 8 connecting shaft, 9 air inlet, 10 air outlet. DETAILED DESCRIPTION

[0017] like Figure 1-6As shown, an automatic scraping control mechanism of an air flotation water purification device includes a vertical cylinder 1, which is rectangular and has an opening at the top; a partition assembly is arranged in the vertical cylinder 1, and the partition assembly includes an outer door frame 2, and the outer door frame 2 includes an upper door frame edge 2a, and two left and right opposite side door frame edges 2b are arranged correspondingly below the upper door frame edge 2a, and the side door frame edges 2b are arranged vertically, and a cylinder 3 is arranged vertically on the upper door frame edge 2a, and an end plate 4 is arranged at the lower end of the cylinder body of the cylinder 3, and the end plate 4 is fixedly connected to the upper door frame edge 2a through a plurality of fasteners 5, and the piston rod of the cylinder 3 passes downward through the upper door frame edge 2a and is connected to a gate body 6, and the gate body 6 is arranged corresponding to the outer door frame 2.

[0018] The outer door frame 2 is arranged along the width direction of the vertical tube 1. The interior of the vertical tube 1 is divided into two areas 7 of equal area through the outer door frame 2. The cross-sections of the upper door frame edge 2a and the side door frame edge 2b are both U-shaped. The opening of the upper door frame edge 2a faces downward, and the openings of the two side door frame edges 2b are arranged opposite to each other. The interior of the upper door frame edge 2a and the side door frame edge 2b guides the gate body 6. The gate body 6 includes a horizontal upper door plate 6a and a lower door plate 6b. Four side door plates 6c in a rectangular shape are vertically arranged between the upper door plate 6a and the lower door plate 6b. A connecting shaft 8 is arranged between the two side door plates 6c on the front and rear sides. The piston rod of the cylinder 3 extends downward into the gate body 6 and is hinged to the connecting shaft 8 through a joint. The joint is sleeved on the connecting shaft 8 and hinged thereto. The piston rod of the cylinder 3 extends into the gate, which avoids water leakage caused by a gap on the top when the gate is closed. The gate body 6 is stuck in the upper door frame edge 2a to block water.

[0019] The air inlet 9 and the air outlet 10 of the cylinder 3 are connected to the air inlet pipe and the air outlet pipe respectively. The air inlet pipe and the air outlet pipe are provided with electromagnetic valves to control the air in and out of the cylinder 3.

[0020] The utility model uses Siemens S7-300PLC, CPU model 314, 3 DI32xDC24V input modules, 2 AI8x13Bit analog modules, 2 DO32xDC24V / 0.5A output modules and a computer with Siemens WCC4.1 host system to realize centralized automatic control. 1. The water level of the secondary sedimentation tank is collected by the liquid level transmitter and transmitted to the PLC for comparison to determine the prerequisite for scraping. 2. The scraping working time and interval scraping time are set through the timing program programmed by the PLC. 3. The 4V210-08 220V solenoid valve is used to control the SDA40-50 cylinder to control the gate opening and closing. 4. Specific working principle: When the liquid level reaches the drainage height and the timer interval is reached, the PLC outputs a signal to the solenoid valve to close the drainage gate and start the scraper at the same time. When the set scraping time is reached, the scraping stops, the solenoid valve closes, the cylinder opens the drainage gate, the scraping work ends, and the water is drained normally.

[0021] The interior of the vertical cylinder 1 of the utility model is divided into two areas 7 of equal area through the outer door frame 2, and the two areas 7 are respectively connected to the water pipes before and after treatment through the openings on the side of the vertical cylinder 1; the timer is used for timed scraping control through pLC programming, and the solenoid valve is used to control the cylinder 3 to realize the opening and closing of the gate, the solenoid valve on the air intake pipe is opened, the cylinder 3 drives the gate to descend and close, the gate body 6 and the drainage gap of the bottom wall of the vertical cylinder 1 are blocked, and the scraper works to remove the slag; after the slag is removed, the solenoid valve is closed, the piston rod of the cylinder 3 rises, and the gate is opened for drainage; the automatic opening of the scraper and the drainage gate is controlled by the liquid level and the set time. The advantages of the utility model are: it can automatically scrape the slag on time, does not require manual participation, avoids forgetting to scrape the slag, realizes the requirements of automatic control, and greatly improves the clarity of the treated water.

[0022] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. An automatic scraping control mechanism for an air flotation water purification device, comprising a vertical cylinder, characterized in that: A partition assembly is arranged in the vertical cylinder, and the partition assembly includes an outer door frame, and the outer door frame includes an upper door frame edge, and two left and right opposite side door frame edges are arranged correspondingly below the upper door frame edge, and the side door frame edges are arranged vertically. A cylinder is arranged vertically on the upper door frame edge, and an end plate is arranged at the lower end of the cylinder body of the cylinder, and the end plate is fixedly connected to the upper door frame edge by a plurality of fasteners. The piston rod of the cylinder passes downward through the upper door frame edge and is connected to a gate body, and the gate body is arranged corresponding to the outer door frame.

2. The automatic scraping control mechanism of the air flotation water purification device according to claim 1 is characterized in that: The vertical cylinder is rectangular, and the top of the vertical cylinder is open.

3. The automatic scraping control mechanism of the air flotation water purification device according to claim 2 is characterized in that: The outer door frame is arranged along the width direction of the vertical cylinder, and the interior of the vertical cylinder is divided into two areas of equal area by the outer door frame. The cross-sections of the upper door frame edge and the side door frame edge are both U-shaped, the opening of the upper door frame edge faces downward, and the openings of the two side door frame edges are arranged oppositely.

4. The automatic scraping control mechanism of the air flotation water purification device according to claim 3 is characterized in that: The gate body includes a horizontal upper door plate and a lower door plate, four rectangular side door plates are vertically arranged between the upper door plate and the lower door plate, a connecting shaft is arranged between the two side door plates on the front and rear sides, and the piston rod of the cylinder extends downward into the gate body and is hinged to the connecting shaft through a joint.

5. The automatic scraping control mechanism of the air flotation water purification device according to any one of claims 1 to 4, characterized in that: The air inlet and the air outlet of the cylinder are connected to the air inlet pipe and the air outlet pipe respectively.

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