Scutellaria baicalensis wastewater sludge treatment device

Abstract

The utility model discloses a treatment device for scutellaria baicalensis wastewater sludge. The treatment device comprises a vertical-flow sedimentation tank, a chamber type filter press, a solid waste briquetting machine, a roller dryer, a cyclone separator and a material collecting bin, a liquid outlet of the chamber type filter press is communicated with a clear liquid storage tank, and an overflow port in the vertical-flow sedimentation tank is communicated with the clear liquid storage tank through a pipeline and a water pump; a vertical flow pipe is arranged in the vertical flow type sedimentation tank; and an annular tooth-shaped overflow plate is arranged on the inner wall of the vertical flow type sedimentation tank and at the upper part of the overflow port. According to the device, the organic sludge separated from the scutellaria baicalensis wastewater is effectively dried and recycled, so that secondary pollution of the organic sludge to the environment is avoided, and recycling of resources is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, and particularly relates to a treatment device for Scutellaria baicalensis wastewater sludge. Background Art

[0002] Scutellaria baicalensis is a perennial herb of the genus Scutellaria in the Lamiaceae family. It is a traditional Chinese medicine, and its main components include active ingredients such as baicalein, baicalin flavone, and baicalin. With the rapid development of the modernization of traditional Chinese medicine, the medicinal active ingredients in Scutellaria baicalensis have been increasingly emphasized, and the clinical demand for Scutellaria baicalensis herbs has been increasing year by year.

[0003] Currently, in the industrial operation of extracting the effective components of Scutellaria baicalensis, a large amount of wastewater will be generated. If the wastewater is directly discharged, it will cause environmental pollution. Therefore, the wastewater needs to be treated. However, a large amount of organic sludge will be generated during the wastewater treatment process. If the organic sludge is not reasonably disposed of, it will not only cause secondary pollution to the environment but also result in a waste of resources. Therefore, how to reasonably utilize the organic sludge generated in the treatment of Scutellaria baicalensis wastewater is a problem that needs to be solved by those skilled in the art. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is: aiming at the deficiencies existing in the prior art, a treatment device for Scutellaria baicalensis wastewater sludge is provided. The device effectively dries and recycles the organic sludge separated from the Scutellaria baicalensis wastewater, avoiding secondary pollution to the environment and realizing the recycling of resources.

[0005] To solve the above technical problems, the technical solution of the utility model is:

[0006] A treatment device for Scutellaria baicalensis wastewater sludge includes a vertical flow sedimentation tank, a chamber filter press, a solid waste briquetting machine, a drum dryer, a cyclone separator, and an aggregate bin; the liquid outlet of the chamber filter press is connected to a clear liquid storage tank, and the overflow port on the vertical flow sedimentation tank is connected to the clear liquid storage tank through a pipeline and a water pump; a vertical flow pipe is arranged in the vertical flow sedimentation tank, and an annular toothed overflow plate is arranged on the inner wall of the vertical flow sedimentation tank above the overflow port.

[0007] Preferably, the vertical flow sedimentation tank is connected to the chamber filter press through a sludge pipeline, a sludge pump, and a sludge valve, and one end of the sludge pipeline extends to the bottom of the vertical flow sedimentation tank.

[0008] Preferably, a conical gas collection hood is arranged above the vertical flow pipe in the vertical flow sedimentation tank, and the conical gas collection hood is connected to a tail gas pipeline.

[0009] Preferably, the discharge port of the chamber filter press is connected to a feeding hopper, and the discharge port of the feeding hopper is connected to the feeding port of the solid waste briquetting machine.

[0010] Preferably, a plow knife crusher is provided inside the blanking hopper.

[0011] Preferably, a briquetting mechanism is provided on the solid waste briquetting machine. The briquetting mechanism includes a feed hopper. The lower part of the feed hopper communicates with a ring die cavity composed of ring templates. A main shaft is rotatably arranged in the ring die cavity. One end of the main shaft is connected to a motor. A connecting plate is connected to the upper part of the main shaft. At least one pressure roller is rotatably arranged on the connecting plate. A connecting rod is further provided above the connecting plate on the main shaft. A material distributor is provided at the end of the connecting rod.

[0012] Preferably, a first conveyor belt is provided at the discharge port of the blanking hopper. The discharge end of the first conveyor belt extends above the feed hopper of the solid waste briquetting machine.

[0013] Preferably, the solid waste briquetting machine is communicated with the feed port of the drum dryer through a second conveyor belt. The blanking chute of the solid waste briquetting machine extends above the second conveyor belt. The discharge end of the second conveyor belt extends above the feed port of the drum dryer.

[0014] Preferably, the gas outlet of the cyclone separator is communicated with a spray tower through an induced draft fan.

[0015] Due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0016] 1. The present utility model provides a treatment device for Scutellaria wastewater sludge, including a vertical flow sedimentation tank, a chamber filter press, a solid waste briquetting machine, a drum dryer, a cyclone separator, and an aggregate bin. The above device effectively collects the sludge generated during the sedimentation of Scutellaria wastewater, and performs pressure filtration, crushing, extrusion molding, drying, and cyclone separation. The collected sludge dry powder can be recycled as organic fertilizer, realizing the reuse of sludge, reducing the COD of sewage, and reducing environmental pollution.

[0017] 2. The overflow port of the vertical flow sedimentation tank and the liquid outlet of the chamber filter press of the present device are communicated with a clear liquid storage tank to collect the supernatant and filtrate during the sedimentation process for further treatment, avoiding direct discharge and polluting the environment.

[0018] 3. An annular toothed overflow plate is provided on the inner wall of the vertical flow sedimentation tank of the present device above the overflow port. The above setting can effectively reduce the disturbance of water flow, reduce the resuspension phenomenon, improve the sedimentation efficiency, and thus can more efficiently remove suspended solids in water.

[0019] 4. A conical gas collection hood is provided above the vertical flow pipe of the vertical flow sedimentation tank of the present device. The conical gas collection hood is communicated with a tail gas pipeline. The above setting can effectively collect the waste gas escaping during the sedimentation of Scutellaria wastewater and transport it to the tail gas treatment device through the tail gas pipeline for treatment, avoiding environmental pollution caused by the tail gas.

[0020] 5. The discharge port of the box - type filter press of this device is connected to a blanking hopper, and the discharge port of the blanking hopper is connected to the feed port of the solid - waste briquetting machine; a plow - knife crusher is arranged in the blanking hopper. The plow - knife crusher preliminarily crushes the filtered sludge, and then the sludge enters the solid - waste briquetting machine for treatment, which is more convenient for the extrusion molding of the sludge. Brief Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic structural diagram of Embodiment 1 of the present invention;

[0023] Figure 2 It is a top view of the briquetting mechanism;

[0024] Figure 3 It is a sectional view of the briquetting mechanism;

[0025] In the figure, 1. Vertical - flow sedimentation tank; 2. Box - type filter press; 3. Solid - waste briquetting machine; 4. Drum dryer; 5. Cyclone separator; 6. Aggregate bin; 7. Clear - liquid storage tank; 8. Overflow port; 9. Vertical flow pipe; 10. Annular toothed overflow plate; 11. Sludge pipeline; 12. Sludge pump; 13. Sludge valve; 14. Conical gas - collecting hood; 15. Tail - gas pipeline; 16. Blanking hopper; 17. Plow - knife crusher; 18. Feed hopper; 19. Ring - shaped template; 20. Ring - die cavity; 21. Main shaft; 22. Motor; 23. Connecting plate; 24. Pressing roller; 25. Connecting rod; 26. Material - leveling device; 27. First conveyor belt; 28. Second conveyor belt; 29. Induced - draft fan; 30. Spray tower. Detailed Embodiment

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] Embodiment 1

[0028] As Figures 1 to 3As shown in the figure, a treatment device for Scutellaria baicalensis wastewater sludge includes a vertical flow sedimentation tank 1, a chamber filter press 2, a solid waste briquetting machine 3, a drum dryer 4, a cyclone separator 5, and an aggregate bin 6. The liquid outlet of the chamber filter press 2 is connected to a clear liquid storage tank 7, and the overflow port 8 on the vertical flow sedimentation tank 1 is connected to the clear liquid storage tank 7 through a pipeline and a water pump. A vertical flow pipe 9 is provided in the vertical flow sedimentation tank 1, and an annular toothed overflow plate 10 is provided on the inner wall of the vertical flow sedimentation tank 1 above the overflow port 8. The vertical flow sedimentation tank 1 is connected to the chamber filter press 2 through a sludge pipeline 11, a sludge pump 12, and a sludge valve 13, and one end of the sludge pipeline 11 extends to the bottom of the vertical flow sedimentation tank 1.

[0029] In this embodiment, a conical gas collection hood 14 is provided above the vertical flow pipe 9 in the vertical flow sedimentation tank 1, and the conical gas collection hood 14 is connected to an exhaust gas pipeline 15. The conical gas collection hood 14 can collect the exhaust gas escaping during the sedimentation process of Scutellaria baicalensis sewage and transport it to the exhaust gas treatment device through the exhaust gas pipeline 15 for treatment, avoiding environmental pollution caused by the exhaust gas.

[0030] In this embodiment, the discharge port of the chamber filter press 2 is connected to a feeding hopper 16, and the discharge port of the feeding hopper 16 is connected to the feeding port of the solid waste briquetting machine 3. A plow blade crusher 17 is provided in the feeding hopper 16. After the sludge is filtered by the chamber filter press 2, it enters the feeding hopper 16, is preliminarily crushed by the plow blade crusher 17, and then enters the solid waste briquetting machine 3 for treatment, which is convenient for extruding and forming the sludge.

[0031] In this embodiment, a briquetting mechanism is provided on the solid waste briquetting machine 3. The briquetting mechanism includes a feeding hopper 18, the lower part of the feeding hopper 18 is connected to a ring die cavity 20 composed of ring templates 19, a main shaft 21 is rotatably provided in the ring die cavity 20, one end of the main shaft 21 is connected to a motor 22, the upper part of the main shaft 21 is connected to a connecting plate 23, at least one pressure roller 24 is rotatably provided on the connecting plate 23, a connecting rod 25 is further provided on the main shaft 21 above the connecting plate 23, and a material distributor 26 is provided at the end of the connecting rod 25. When treating the sludge, the motor 22 drives the main shaft 21 to rotate, the main shaft 21 drives the pressure roller 24 and the material distributor 26 to rotate through the connecting plate 23 and the connecting rod 25 respectively, and at the same time the pressure roller 24 also rotates self - rotatably. The combined action of the pressure roller 24 and the ring template 19 extrudes the sludge through the ring die holes on the ring template 19 to form a shape, and the material distributor 26 evenly distributes the material, improving the briquetting efficiency.

[0032] In this embodiment, a first conveyor belt 27 is provided at the discharge port of the blanking hopper 16, and the discharge end of the first conveyor belt 27 extends above the feed hopper 18 of the solid waste briquetting machine 3. The solid waste briquetting machine 3 is communicated with the feed inlet of the drum dryer 4 through a second conveyor belt 28. The blanking chute of the solid waste briquetting machine 3 extends above the second conveyor belt 28, and the discharge end of the second conveyor belt 28 extends above the feed inlet of the drum dryer 4.

[0033] In this embodiment, the gas outlet of the cyclone separator 5 is communicated with a spray tower 30 through a blower 29.

[0034] The process of treating Scutellaria baicalensis Georgi sewage using the above device is as follows:

[0035] The Scutellaria baicalensis Georgi sewage enters the vertical sedimentation tank 1 for sedimentation. The sludge at the bottom is pumped into the chamber filter press 2 by a sludge pump 12 for filtration. The filtered filtrate and the supernatant of the vertical sedimentation tank 1 enter the clear liquid storage tank 7 for collection. The filtered filter cake enters the blanking hopper 16 and is preliminarily crushed under the action of the plowshare crusher 17. The crushed material is conveyed to the solid waste briquetting machine 3 by the first conveyor belt 27. The sludge is extruded into strips and then conveyed to the drum dryer 4 by the second conveyor belt 28 for drying. The dried material enters the cyclone separator 5. The separated dust enters the aggregate bin 6 for collection and packaging. The separated gas enters the spray tower 30 through the blower 29 for spray treatment.

[0036] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for treating sludge from wastewater of Scutellaria baicalensis, characterized in that: It includes a vertical flow sedimentation tank, a chamber filter press, a solid waste briquetting machine, a drum dryer, a cyclone separator, and an aggregate bin; the liquid outlet of the chamber filter press is connected to a clear liquid storage tank, and the overflow port on the vertical flow sedimentation tank is connected to the clear liquid storage tank through a pipeline and a water pump; a vertical flow pipe is provided in the vertical flow sedimentation tank, and an annular toothed overflow plate is provided on the inner wall of the vertical flow sedimentation tank at the upper part of the overflow port.

2. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 1, characterized in that: The vertical flow sedimentation tank is connected with the chamber filter press through a sludge pipeline, a sludge pump and a sludge valve, and one end of the sludge pipeline extends to the bottom of the vertical flow sedimentation tank.

3. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 1, characterized in that: The vertical flow sedimentation tank is provided with a conical gas collecting hood above the vertical flow pipe, and the conical gas collecting hood is connected to the tail gas pipeline.

4. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 1, characterized in that: The discharge port of the chamber filter press is connected to the lower hopper, and the discharge port of the lower hopper is connected to the feed port of the solid waste briquetting machine.

5. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 4, characterized in that: A plowshare crusher is arranged in the lower hopper.

6. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 4, characterized in that: The solid waste briquetting machine is provided with a briquetting mechanism, which includes a feed hopper. The lower part of the feed hopper is connected to a ring mold cavity composed of a ring mold plate. A main shaft is rotatably arranged in the ring mold cavity. A motor is connected to one end of the main shaft, and a connecting plate is connected to the upper part of the main shaft. At least one pressing roller is rotatably arranged on the connecting plate. The main shaft is also provided with a connecting rod above the connecting plate, and a material distributor is provided at the end of the connecting rod.

7. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 6, characterized in that: A first conveyor belt is provided at the discharge port of the lower hopper, and the discharge end of the first conveyor belt extends above the feed hopper of the solid waste briquetting machine.

8. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 1, characterized in that: The solid waste briquetting machine is connected to the feed port of the drum dryer through the second conveyor belt, the discharge chute of the solid waste briquetting machine extends above the second conveyor belt, and the discharge end of the second conveyor belt extends above the feed port of the drum dryer.

9. The device for treating sludge from wastewater of Scutellaria baicalensis according to claim 1, characterized in that: The gas outlet of the cyclone separator is connected to a spray tower via an induced draft fan.

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