Petrochemical wastewater adsorption and precipitation device

Abstract

The utility model provides a petrochemical wastewater adsorption and precipitation device which comprises a precipitation tank, a first rotating rod is mounted in the center of the precipitation tank, a third rotating rod is mounted below the first rotating rod and located in the precipitation tank, the first rotating rod is connected with the third rotating rod through a first transmission belt, and a plurality of stirring blades are arranged in the length direction of the third rotating rod; second rotating rods are arranged on the two sides, close to the side wall of the settling tank, of the first rotating rod in pairs, fourth rotating rods are connected to the lower portions of the second rotating rods through second transmission belts, cleaning rods are arranged on the second transmission belts, cleaning brushes are arranged on the cleaning rods, and full mixing of sewage and a flocculating agent is improved through stirring blades, so that the flocculation effect is improved; and sediments on the inner bottom wall of the settling tank are cleaned through the cleaning brush.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment technology, in particular to a petrochemical wastewater adsorption and precipitation device. Background Art

[0002] Chemical wastewater refers to wastewater discharged from petrochemical plants. The volume of petrochemical wastewater is large, and in addition to production wastewater, it also includes cooling water and other water. Its composition is complex. Due to the wide variety of petrochemical products, the complex reaction processes and unit operations, the wastewater properties are complex and varied. The wastewater contains high levels of organic matter, especially hydrocarbons and their derivatives, and contains a variety of heavy metals. Petrochemical wastewater has many sources and different components, which are closely related to the production process. It contains impurities such as oil, sulfur, alkali, salt, and phenol.

[0003] The existing petrochemical wastewater adsorption and sedimentation equipment is not able to fully mix the wastewater and flocculants during treatment, resulting in excessively high concentrations of wastewater pollutants in certain areas, affecting the overall treatment quality.

[0004] At the same time, during the sedimentation process, impurities adhere to the inner wall of the sedimentation box, which makes it inconvenient to clean the attachments on the inner wall, resulting in excessive accumulation of attachments, thereby reducing processing efficiency and causing equipment failure. Utility Model Content

[0005] The purpose of the utility model is to provide a petrochemical wastewater adsorption and precipitation device, which can solve the existing technical problems.

[0006] To achieve the above-mentioned object, the utility model provides a petrochemical wastewater adsorption and sedimentation device, comprising a sedimentation tank, a first rotating rod installed in the center of the sedimentation tank, a third rotating rod installed below the first rotating rod and located inside the sedimentation tank, the first rotating rod being connected to the third rotating rod via a first transmission belt, and a plurality of stirring blades being arranged along the length direction of the third rotating rod;

[0007] Second rotating rods are arranged in pairs on both sides of the first rotating rod and close to the side wall of the sedimentation box. The second rotating rods are connected to the fourth rotating rod through the second transmission belt. A cleaning rod is arranged on the second transmission belt, and a cleaning brush is arranged on the cleaning rod.

[0008] It is further configured that a water inlet is installed above the sedimentation box through a support plate, and a mounting plate is provided below the water inlet.

[0009] It is further configured that an activated carbon layer is provided in the mounting plate, and a zeolite layer is provided below the activated carbon layer.

[0010] It is further configured that a first rotating rod is movably installed through the sedimentation box, and a first motor is installed at the end of the first rotating rod.

[0011] It is further configured that the first rotating rod is fixedly mounted with a first pulley, the third rotating rod is mounted with a third pulley, and the first pulley drives the third pulley through the first transmission belt.

[0012] It is further configured that a mounting plate is provided on the upper side wall of the sedimentation box, and the second rotating rod is movably mounted on the mounting plate.

[0013] It is further configured that a second motor is installed at the end of the second rotating rod.

[0014] It is further configured that the second rotating rod is fixedly mounted with the second pulley, the fourth rotating rod is mounted with the fourth pulley, and the second pulley drives the fourth pulley through the second transmission belt.

[0015] It is further configured that the cleaning rod is a long rod, and the cleaning brush is arranged along the length direction of the cleaning rod.

[0016] It is further configured that a sewage trough is opened on one side of the lower end of the sedimentation box, and a baffle is slidably connected to the inner wall of the sewage trough.

[0017] Beneficial effects of one or more of the above technical solutions:

[0018] 1. The petrochemical wastewater adsorption and sedimentation device, through the arrangement of the first motor, the first rotating rod, the first pulley, the first transmission belt, the third pulley, the third rotating rod and the stirring blade, plays a role in that when in use, the wastewater is input into the water inlet, and then the pollutants such as organic matter and heavy metal ions in the water are adsorbed through the activated carbon layer and the zeolite layer. The liquid passes through the activated carbon layer and the zeolite layer and then enters the sedimentation tank. Then the staff puts the flocculant into the sedimentation tank, and then starts the first motor to drive the third rotating rod to rotate through the first pulley, the first transmission belt and the third pulley, and then the sewage and the flocculant are fully mixed through the stirring blades to increase the flocculation effect.

[0019] 2. The petrochemical wastewater adsorption and sedimentation device, through the arrangement of the second motor, the second rotating rod, the second pulley, the second transmission belt, the fourth pulley, the cleaning rod and the cleaning brush, plays a role in that after the sewage is treated and discharged, the second motor is started to drive the cleaning rod to move through the second pulley, the second transmission belt and the fourth pulley, and the sediment on the bottom wall of the sedimentation box is cleaned by the cleaning brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute a limitation on this application.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the stirring blade of the present utility model;

[0023] Figure 3This is a schematic structural diagram of the cleaning rod of the present utility model;

[0024] Figure 4 It is a cross-sectional view of the water inlet of the utility model.

[0025] In the figure, 1. sedimentation box; 2. mounting plate; 3. first motor; 4. first rotating rod; 5. first pulley; 6. second motor; 7. second rotating rod; 8. second pulley; 9. first transmission belt; 10. third pulley; 11. third rotating rod; 12. stirring blade; 13. second transmission belt; 14. fourth pulley; 15. cleaning rod; 16. cleaning brush; 17. water inlet; 18. mounting plate; 19. activated carbon layer; 20. zeolite layer; 21. baffle; 22. fourth rotating rod; 23. support plate; 24. drain trough. DETAILED DESCRIPTION

[0026] The specific implementation of this embodiment is described below with reference to the accompanying drawings.

[0027] A petrochemical wastewater adsorption and precipitation device, referring to Figure 1 , including a sedimentation box 1, a first rotating rod 4 is installed in the center of the sedimentation box 1, and a third rotating rod 11 is installed below the first rotating rod 4 and inside the sedimentation box 1, Figure 2 The first rotating rod 4 is connected to the third rotating rod 11 through the first transmission belt 9, and a plurality of stirring blades 12 are provided along the length direction of the third rotating rod 11;

[0028] Reference Figure 3 A second rotating rod 7 is arranged in pairs on both sides of the first rotating rod 4 and close to the side wall of the sedimentation box 1. The second rotating rod 7 is connected to the fourth rotating rod 22 through a second transmission belt 13. A cleaning rod 15 is arranged on the second transmission belt 13, and a cleaning brush is arranged on the cleaning rod 15.

[0029] Reference Figure 4 A water inlet 17 is installed above the sedimentation box 1 through a support plate 23, and a mounting plate 18 is provided below the water inlet 17. The mounting plate 18 is provided with bolt holes. The activated carbon layer 19 or the zeolite layer 20 is processed into a plate shape, and the activated carbon layer 19 is penetrated by bolts at the same time. The activated carbon layer 19 or the zeolite layer 20 is fixed. The water inlet 17 is fixedly installed on the upper end of the sedimentation box 1, and the inner wall of the water inlet 17 is fixedly installed with the mounting plates 18 in turn, the inner wall of one of the mounting plates 18 is fixedly installed with the activated carbon layer 19, and the inner wall of the other mounting plate 18 is fixedly installed with the zeolite layer 20. Through the arrangement of the activated carbon layer 19 and the zeolite layer 20, the pollutants such as organic matter and heavy metal ions in the wastewater are adsorbed.

[0030] Reference Figure 2 and Figure 3A first rotating rod 4 is movably installed through the sedimentation box 1, a first motor 3 is installed at the end of the first rotating rod 4, a first pulley 5 is fixedly installed on the first rotating rod 4, and a third pulley 10 is installed on the third rotating rod 11. The first pulley 5 drives the third pulley 10 through the first transmission belt 9. The surface of the first pulley 5 is provided with a first transmission belt 9, and one end of the first transmission belt 9 is provided with a third pulley 10. The setting of the third pulley 10 plays a role in cooperating with the first transmission belt 9 to drive the stirring rod 12 to rotate.

[0031] A mounting plate 2 is provided on the upper side wall of the sedimentation box 1 , and a second rotating rod 7 is movably mounted on the mounting plate 2 .

[0032] The second motor 6 is installed at the end of the second rotating rod 7, the second rotating rod 7 is fixedly installed with the second pulley 8, the fourth rotating rod 22 is installed with the fourth pulley 14, the second pulley 8 drives the fourth pulley 14 through the second transmission belt 13, the surface of the second pulley 8 is provided with a second transmission belt 13, and one end of the second transmission belt 13 is provided with the fourth pulley 14. The setting of the fourth pulley 14 plays a role in cooperating with the second pulley 8 to drive the second transmission belt 13 to rotate.

[0033] A cleaning rod 15 is fixedly mounted on the surface of the second transmission belt 13 , and a cleaning brush 16 is fixedly mounted on one end of the cleaning rod 15 . The cleaning brush 16 can clean the sediment on the bottom wall of the sedimentation box 1 .

[0034] The rotation of the second transmission belt 13 drives the cleaning rod 15 to rotate. When the cleaning rod 15 rotates to the side wall of the sedimentation box 1, the sediment is cleaned. The cleaning rod 15 is a long rod, and the cleaning brush 16 is arranged along the length direction of the cleaning rod 15. When the cleaning rod 15 rotates to the side wall of the sedimentation box 1, the length of the cleaning brush 16 covers the side wall of the sedimentation box 1.

[0035] A sewage trough 24 is provided on one side of the lower end of the sedimentation box 1, and a baffle 21 is slidably connected to the inner wall of the sewage trough 24. A sewage trough is provided on one side of the lower end of the sedimentation box 1, and a baffle 21 is slidably connected to the inner wall of the sewage trough. The setting of the baffle 21 facilitates the discharge of sediment.

[0036] The working steps of the device are as follows:

[0037] First, wastewater is put into the water inlet 17, and then passes through the activated carbon layer 19 and the zeolite layer 20 to adsorb pollutants such as organic matter and heavy metal ions in the water, and then enters the sedimentation tank 1. Then the staff puts flocculant into the sedimentation tank 1, and then starts the first motor 3 to drive the third rotating rod 11 to rotate through the first pulley 5, the first transmission belt 9 and the third pulley 10. Then, the stirring rod 12 is used to fully mix the sewage and the flocculant to increase the flocculation effect;

[0038] After the sewage is treated and discharged, the second motor 6 is started to move the cleaning rod 15 through the second pulley 8, the second transmission belt 13 and the fourth pulley 14, and the sediment on the bottom wall of the sedimentation box 1 is cleaned by the cleaning brush 16, and the baffle 21 is pulled out to discharge the sediment.

[0039] Although the above description of the specific implementation methods of the present invention is combined with the accompanying drawings, it does not limit the scope of protection of the present invention. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present invention, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present invention.

Claims

1. A petrochemical wastewater adsorption and precipitation device, characterized in that: The invention comprises a sedimentation box, a first rotating rod is installed in the center of the sedimentation box, a third rotating rod is installed below the first rotating rod and located in the sedimentation box, the first rotating rod is connected to the third rotating rod through a first transmission belt, and a plurality of stirring blades are arranged along the length direction of the third rotating rod; Second rotating rods are arranged in pairs on both sides of the first rotating rod and close to the side wall of the sedimentation box. The second rotating rods are connected to the fourth rotating rod through the second transmission belt. A cleaning rod is arranged on the second transmission belt, and a cleaning brush is arranged on the cleaning rod.

2. A petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: A water inlet is installed above the sedimentation box through a supporting plate, and a mounting plate is arranged below the water inlet.

3. A petrochemical wastewater adsorption and sedimentation device according to claim 2, characterized in that: An activated carbon layer is arranged in the mounting plate, and a zeolite layer is arranged below the activated carbon layer.

4. A petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: A first rotating rod is movably installed through the sedimentation box, and a first motor is installed at the end of the first rotating rod.

5. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: The first rotating rod is fixedly mounted with the first pulley, the third rotating rod is mounted with the third pulley, and the first pulley drives the third pulley through the first transmission belt.

6. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: A mounting plate is provided on the upper side wall of the sedimentation box, and the second rotating rod is movably mounted on the mounting plate.

7. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: The second motor is installed at the end of the second rotating rod.

8. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: The second rotating rod is fixedly mounted with the second pulley, the fourth rotating rod is mounted with the fourth pulley, and the second pulley drives the fourth pulley through the second transmission belt.

9. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: The cleaning rod is a long rod, and the cleaning brush is arranged along the length direction of the cleaning rod.

10. The petrochemical wastewater adsorption and sedimentation device according to claim 1, characterized in that: A sewage trough is provided on one side of the lower end of the sedimentation box, and a baffle is slidably connected to the inner wall of the sewage trough.

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