CN211546191U - Industrial sewage pretreatment device - Google Patents

Abstract

The utility model discloses an industrial sewage pretreatment device, comprising a sedimentation tank, a flocculation tank I, a flocculation tank II, a quick oil filter tank, an oil storage tank and a water purification tank. One side of the sedimentation tank is connected to the flocculation tank I through a pipeline, and the flocculation tank is One side of tank I is connected to flocculation tank II through a pipeline, and the other side is connected to a quick oil filter tank. At the same time, one side of flocculation tank II is connected to a rapid oil filter tank through a pipeline, and one side of the fast oil filter tank is connected to the oil storage tank and the clean water tank at the same time; The sedimentation tank is provided with scraping mechanism I, scraping mechanism II, inclined plate and conveyor belt; scraping mechanism I is located on the side of scraping mechanism II, and the inclined plate and conveyor belt are located on the side of scraping mechanism II; flocculation tank II is provided with a cover plate , motor IV, medicine inlet, moving pull plate, transmission shaft, fan blade; the structure of the flocculation tank II and the flocculation tank I are the same; the quick oil filter tank is provided with an isolation plate. The utility model is provided with a mud scraping mechanism I and a mud scraping mechanism II, which can efficiently remove large debris or sedimentary mud at the bottom of the pool.

Description

An industrial sewage pretreatment device

technical field

The utility model belongs to the technical field of industrial sewage treatment, in particular to an industrial sewage pretreatment device.

Background technique

With the continuous improvement of the technical level of modern industry, the sewage generated in industrial production can be treated by existing technology, and the treated sewage can be put into production again. pollution, while saving water resources;

1) As the industry develops faster and faster, more and more industrial sewage is produced, so the timely treatment of sewage is particularly important. Therefore, some large factories or large sewage treatment plants are built to process more sewage in a timely manner. The sedimentation tank is relatively large, so the sediment at the bottom of the sedimentation tank will be more and more complicated. At this time, it will undoubtedly be more difficult and slow to use the method of suction and desilting, and the debris will also damage the suction machine, which is not worth the loss;

2) In the existing water treatment technology, adding a flocculant to the sewage can clear the suspended solids in the sewage. In the existing water treatment process, in order to speed up the contact between the suspended solids and the flocculant, the water body is usually stirred. , but the existing stirring device, its stirring mode is mostly to carry out horizontal rotation at the bottom of the pool, this stirring mode cannot stir the middle and upper part of the water body, causing the contact opportunity between the flocculant and the suspended matter to become less, causing the flocculant The adsorption effect of suspended solids is poor.

Therefore, there is a need for a sewage treatment device that can meet the use of sludge removal and water mixing in large sewage treatment plants.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the deficiencies in the prior art and provide an industrial sewage pretreatment device. In the utility model, the sedimentation tank can efficiently remove large debris or debris at the bottom of the tank by setting up a mud scraping mechanism I and a mud scraping mechanism II. At the same time, the transmission shaft in the flocculation tank II is equipped with fan blades from top to bottom, which can ensure that the upper, middle and bottom layers of the sewage are stirred at the same time.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is:

An industrial sewage pretreatment device, comprising a sedimentation tank, a flocculation tank I, a flocculation tank II, a quick oil filter tank, an oil storage tank, and a water purification tank. One side of the sedimentation tank is connected to the flocculation tank I through a pipeline, and one side of the flocculation tank I The pipeline is connected to the flocculation tank II, and the other side is connected to the fast oil filter tank. At the same time, one side of the flocculation tank II is connected to the fast oil filter tank through a pipeline, and one side of the fast oil filter tank is connected to the oil storage tank and the water purification tank at the same time; there is a scraper on the sedimentation tank. Sludge Mechanism I, Scraper Mechanism II, Inclined Plate, Conveyor Belt; Scraper Mechanism I is located on the side of Scraper Mechanism II, and the inclined plate and conveyor belt are located on the side of Mud Scraper Mechanism II; flocculation tank II is provided with a cover plate, motor IV, inlet The medicine port, the moving pull plate, the transmission shaft and the fan blade; the flocculation tank II and the flocculation tank I have the same structure; the quick oil filter tank is provided with an isolation plate.

The mud scraping mechanism I includes a fixed base II, a fixed base III and a fixed base V, the fixed base II and the fixed base III are located at the top of the sedimentation tank, and the two ends of the fixed base V are respectively movably connected to the fixed base II and the fixed base III. ;The fixed seat II is provided with a guide rail II, a motor III, and a lead screw II, both ends of the lead screw II are fixed on the fixed seat II through the bearing seat, the motor III is located at one end of the fixed seat II, and the motor III and the lead screw II are provided with The gear and the two gears are connected by a chain; the fixed seat III is provided with a guide rail III;

The fixed seat V is provided with a motor V, a lead screw III, a guide rail V, a fixed plate, a support arm II and a shovel plate, and guide blocks are provided at both ends of the fixed seat V, which are connected and fixed by the guide block and the guide rail III and the guide rail II. Base II and fixed base III, the bottom of the fixed plate is provided with a guide block and is set in the guide rail V, the screw III is fixed on the fixed base V through the fixed plate through the bearing seat, and the shaft end is provided with a gear, the motor V is located in the fixed position One end of the plate and the shaft end are provided with gears, and the two gears are connected by a chain; one end of the support arm II is fixedly connected to the bottom of the fixed plate, and the shovel plate is located at the other end of the support arm II and is connected to the support arm II through a pin shaft;

The mud scraping mechanism II includes a fixed base I, a guide rail I, a motor I, a lead screw I, a mounting block, a support arm I, a fixed long plate, a bucket, and a support leg; the guide rail I is arranged on the fixed base I, The motor I is located at one end of the fixed seat I and the shaft end of the motor I is provided with a gear, the two ends of the lead screw I are fixed on the fixed seat I through the bearing seat and pass through the mounting block, one end of the lead screw I is provided with a gear, and the two ends of the lead screw I are provided with a gear. The gears are connected by a chain; the mounting block is provided with a motor II and a rotating shaft I and a guide block is provided at the bottom, the mounting block is fixed in the guide rail I through the bottom guide block, and the ends of the motor II and the rotating shaft I are provided with a guide block. has gears and is connected by a chain;

The support arm I is provided with a rotating shaft III and several rotating shafts II, the rotating shaft II is provided with a number of transmission gears and is located inside the two support arms I, and each transmission gear is connected by a chain; one end of the rotating shaft III is provided with a The gear is located on the outside of the support arm I, and the gear is connected with the gear at the end of the rotating shaft I through a chain; the fixed long plate is fixed between the two support arms I through the rotating shaft II, and the fixed long plate is provided with a T-shaped guide rail; The two ends of the bucket are fixedly connected with chains, and the bottom is provided with a T-shaped guide block and is set in the T-shaped guide rail; one end of the support leg is fixedly connected to one side of the support arm I, and the other end is movably connected to the inner wall of the sedimentation tank, which is on the inner wall of the sedimentation tank. A guide groove is provided, and the other end of the support leg is located in the guide groove;

The medicine inlet on the flocculation tank II is located at a corner of the cover plate, and the movable pull plate is located on one side of the cover plate, which can be pulled to open and close; the motor IV is located in the center of the cover plate, and the shaft end of the motor IV is connected to the transmission shaft, and the transmission shaft is provided with There are several fan blades and the fan blades are fixed up and down along the drive shaft in turn; the height of the isolation plate in the quick oil filter tank is lower than the height of the quick oil filter tank.

Preferably, one end of the shovel plate is provided with an elastic strut, one end of the elastic strut is connected to the shovel plate, and the other end is connected to the support arm

Preferably, an activated carbon plate is provided on the cover of the quick oil filter tank

Preferably, a filter screen is provided on the isolation plate and the inner wall of the quick oil filter tank.

Preferably, a fixing frame is arranged in the flocculation tank II, and one end of the transmission shaft is fixed on the fixing frame to fix the transmission shaft to ensure the stability of the transmission shaft.

Compared with the prior art, the utility model has the following beneficial effects:

1) The utility model is provided with a mud scraping mechanism I and a mud scraping mechanism II in the earning point pool, which can dig out the sediment or larger debris at the bottom of the sedimentation tank in the large-scale sedimentation tank, avoiding the use of the suction machine. It is not possible to extract large debris or damage the suction machine due to debris, and improve work efficiency at the same time;

2) The flocculation tank II is equipped with a motor, a transmission shaft and a fan blade. The fan blade is fixed in layers along the transmission shaft, which ensures the effect of stirring the bottom, middle and upper layers of the sewage at the same time, and makes the flocculant work faster and better.

Description of drawings

Accompanying drawing 1 is the structural schematic diagram of a kind of industrial sewage pretreatment device of the present invention;

Accompanying drawing 2 is a schematic diagram of the cross-sectional structure of a sedimentation tank in an industrial sewage pretreatment device of the present invention;

Accompanying drawing 3 is the structural schematic diagram of scraping mechanism II in an industrial sewage pretreatment device of the present invention;

Accompanying drawing 4 is the structure schematic diagram of scraping mechanism I in an industrial sewage pretreatment device of the present invention;

5 is a schematic diagram of the internal structure of flocculation tank II in an industrial sewage pretreatment device of the present invention;

Accompanying drawing 6 is the sectional structure schematic diagram of the quick oil filter tank in a kind of industrial sewage pretreatment device of the present invention;

In the figure: 1. Sedimentation tank; 11. Sludge scraping mechanism II; 110, Fixed seat I; 111, Guide rail I; 112, Motor I; 113, Screw I; Rotating axis I; 117, supporting arm I; 118, rotating axis II; 119, fixed long board; 1191, T-rail; 1120, transmission gear; 1121, bucket; 1122, supporting leg; 1123, rotating axis III; 12 , mud scraping mechanism I; 121, fixed seat II; 1211, guide rail II; 1212, motor III; 1213, screw II; 122, fixed seat III; 1221, guide rail III; 123, fixed seat V; 1231, motor V; 1232, lead screw III; 1233, guide rail V; 1234, fixed plate; 1235, support arm II; 1236, shovel plate; 1237, elastic support; 13, conveyor belt; 14, inclined plate; 2, flocculation tank I; 3, flocculation Pool II; 31. Cover plate; 32. Motor IV; plate; 42, filter screen; 43, isolation plate; 5, water purification tank; 6, oil storage tank.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the technical solutions of the present invention are further described in detail below with reference to the accompanying drawings 1-6.

An industrial sewage pretreatment device, comprising a sedimentation tank 1, a flocculation tank I2, a flocculation tank II3, a rapid oil filter tank 4, an oil storage tank 6, and a water purification tank 5. One side of the sedimentation tank 1 is connected to the flocculation tank I2 through a pipeline, and the flocculation tank One side of the pool I2 is connected to the flocculation tank II3 through a pipeline, and the other side is connected to the fast oil filter tank 4. At the same time, one side of the flocculation tank II3 is connected to the fast oil filter tank 4 through a pipeline, and one side of the fast oil filter tank 4 is connected to the oil storage tank 6 and Purification tank 5; sedimentation tank 1 is provided with mud scraping mechanism I12, mud scraping mechanism II11, inclined plate 14 and conveyor belt 13; mud scraping mechanism I12 is located on the side of mud scraping mechanism II11, and inclined plate 14 and conveyor belt 13 are located on the mud scraping mechanism II11 side; flocculation tank II3 is provided with cover plate 31, motor IV32, medicine inlet 33, moving pull plate 34, transmission shaft 35, fan blade 36; the flocculation tank II3 and flocculation tank I2 have the same structure; fast oil filter tank 4. An isolation plate 43 is provided.

The mud scraping mechanism I12 includes a fixed base II121, a fixed base III122 and a fixed base V123. The fixed base II121 and the fixed base III122 are located at the top of the sedimentation tank 1, and the two ends of the fixed base V123 are respectively movably connected to the fixed base II121 and the fixed base. III122; the fixed seat II121 is provided with a guide rail II1211, a motor III1212, and a lead screw II1213. Both ends of the lead screw II1213 are fixed on the fixed seat II121 through the bearing seat, and the motor III1212 is located at one end of the fixed seat II121. There are gears and the two gears are connected by a chain; the fixed seat III122 is provided with a guide rail III1221;

The fixed seat V123 is provided with a motor V1231, a lead screw III1232, a guide rail V1233, a fixed plate 1234, a support arm II1235 and a shovel plate 1236, and the two ends of the fixed seat V123 are provided with guide blocks. Connect the fixed seat II121 and the fixed seat III122. The bottom of the fixed plate 1234 is provided with a guide block and is set in the guide rail V1233. The lead screw III1232 passes through the fixed plate 1234 and is fixed on the fixed seat V123 through the bearing seat and the shaft end is provided with a gear. The motor V1231 is located at one end of the fixed plate 1234 and the shaft end is provided with a gear, and the two gears are connected by a chain; one end of the support arm II 1235 is fixedly connected to the bottom of the fixed plate 1234, and the shovel plate 1236 is located at the other end of the support arm II 1235 and is supported by a pin shaft connection arm II 1235;

The motor III1212 provides the power to make the screw II1213 rotate to drive the fixed seat V123 to slide, and the motor V1231 provides the power to make the screw III1232 rotate to drive the fixed plate 1234 and the support arm II1235 to slide along the guide rail V1233. One side of the sedimentation tank, and then use the scraping mechanism II11 to dig the sediment out of the sedimentation tank.

The mud scraping mechanism II11 includes a fixed seat I110, a guide rail I111, a motor I112, a lead screw I113, a mounting block 114, a support arm I117, a fixed long plate 119, a bucket 1121, and a support leg 1122; the guide rail I111 is set on the fixed On the seat I110, the motor I112 is located at one end of the fixed seat I110 and the shaft end of the motor I112 is provided with a gear, the two ends of the lead screw I113 are fixed on the fixed seat I110 through the bearing seat and pass through the installation fixing block 114, one end of the lead screw I113 There are gears, and the two gears are connected by a chain; the mounting block 114 is provided with a motor II 115 and a rotating shaft I 116 and a guide block at the bottom. The mounting block 114 is fixed in the guide rail I 111 through the bottom guide block, and the motor II 115 The end of the rotating shaft I116 is provided with a gear and is connected by a chain;

The support arm I117 is provided with a rotating shaft III1123 and several rotating shafts II118. The rotating shaft II118 is provided with a plurality of transmission gears 1120 and is located inside the two support arms I117. Each transmission gear 1120 is connected by a chain; one end of the rotating shaft III1123 There is a gear located on the outside of the support arm I117, and the gear is connected with the gear at the end of the rotating shaft I116 through a chain; the fixed long plate 119 is fixed between the two support arms I117 through the rotating shaft II118, and the fixed long plate 119 is provided with a T Type guide rail 1191; both ends of the bucket 1121 are fixedly connected to chains, and the bottom is provided with a T-shaped guide block and is set in the T-shaped guide rail 1191; The inner wall of the sedimentation tank is provided with a guide groove, and the other end of the support leg 1122 is located in the guide groove;

The lead screw I113 is powered by the motor I112 to rotate to drive the mounting block to slide along the guide rail I111. At this time, the support leg 1122 slides along the guide groove to support the weight of the support arm I117; the motor II115 provides power to rotate the rotating shaft I116. Then, the rotating shaft I116 drives the rotating shaft III1123 to rotate through the chain, and uses the rotating shaft III1123 to rotate and the chain transmission to drive the bucket 1121 to slide along the T-shaped guide rail 1191 on the fixed long plate 119; thus, the bucket 1121 is used to dig out the sediment at the bottom of the pool. , after the chain is driven to the top of the support arm I117, the sediment is poured into the inclined plate 14, and then flows into the conveyor belt 13 from the inclined plate 14 and transported to the transfer vehicle or mud storage tank; the bottom of the bucket 1121 is provided with a T-shaped guide block and is located in the The inside of the T-shaped guide rail 1191 helps to improve the firmness of the bucket 1121 in dredging.

The medicine inlet 33 on the flocculation tank II3 is located at a corner of the cover plate 31, and the movable pull plate 34 is located on one side of the cover plate 31, which can be pulled to open and close; the motor IV32 is located in the center of the cover plate 31, and the shaft end of the motor IV32 is connected to the transmission shaft 35. A plurality of fan blades 36 are arranged on the transmission shaft 35, and the fan blades 36 are sequentially fixed up and down along the transmission shaft 35.

When the sewage enters the flocculation tank II3, the flocculant is added from the drug inlet 33, and then the motor IV32 provides power to stir the sewage to make the flocculant work faster; at this time, after the first procedure of precipitation, there is little volume in the sewage. Therefore, when the sewage is sent to the next flocculation treatment process, the resulting sediment will be finer after flocculation treatment, and the movable pull plate 34 can be opened to transfer the sludge by a suction machine.

The height of the isolation plate 43 in the quick oil filter tank 4 is lower than the height of the quick oil filter tank 4 . After the sewage enters the quick oil filter tank 4, the reason that oily matter floats on the water surface is utilized, and when the sewage reaches the height of the isolation plate 43, it flows into the isolation cabin, and then flows into the oil storage tank 6 through the pipeline.

One end of the shovel plate 1236 is provided with an elastic strut 1237, one end of the elastic strut 1237 is connected to the shovel plate 1236, and the other end is connected to the support arm II 1235; when the shovel plate 1236 shovels mud backwards, the elastic strut 1237 bounces the shovel plate 1236 to avoid the shovel plate 1236. After the sludge is pushed back.

An activated carbon plate 41 is arranged on the cover of the quick oil filter tank 4, which can effectively absorb peculiar smell when filtering oil.

The isolation plate 43 and the inner wall of the quick oil filter tank 4 are provided with a filter screen 42 to further intercept and process the leftover floating objects.

The flocculation tank II3 is provided with a fixing frame 351, and one end of the transmission shaft 35 is fixed on the fixing frame 351 to fix the transmission shaft 35 to ensure the stability of the transmission shaft 35.

An industrial sewage pretreatment device, the working process is as follows:

First, the industrial sewage is injected into the sedimentation tank for long-term precipitation. After the inspection reaches the standard, it enters the flocculation tank I through the pipeline, the water pump and the shut-off valve. After adding the flocculant, it is stirred and processed. Remove the remaining floating objects; if the sewage does not meet the standard, the sewage will be transported to the flocculation tank II for further coagulation aid treatment, and then sent to the quick oil filter tank after the test meets the standard; the filtered oil is sent to the oil storage tank, and after the treatment is completed, The water is injected into the purification pool for storage.

The above content is only an example and description of the structure of the present invention. Those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them in a similar manner, as long as they do not deviate from the present invention. structure or beyond the scope defined by the claims shall belong to the protection scope of the present invention.

Claims (6)

1. An industrial sewage pretreatment device, comprising a sedimentation tank, a flocculation tank I, a flocculation tank II, a quick oil filter tank, an oil storage tank, and a water purification tank, it is characterized in that one side of the sedimentation tank is connected to the flocculation tank I by a pipeline, and flocculation One side of the pool I is connected to the flocculation tank II through a pipeline, and the other side is connected to the quick oil filter tank. At the same time, one side of the flocculation tank II is connected to the rapid oil filter tank through a pipeline, and one side of the fast oil filter tank is connected to the oil storage tank and the clean water tank at the same time; The sedimentation tank is provided with scraping mechanism I, scraping mechanism II, inclined plate and conveyor belt; scraping mechanism I is located on the side of scraping mechanism II, and the inclined plate and conveyor belt are located on the side of scraping mechanism II; flocculation tank II is provided with a cover plate , motor IV, drug inlet, moving pull plate, drive shaft, fan blade; the flocculation tank II and flocculation tank I have the same structure; the quick oil filter tank is provided with an isolation plate; The mud scraping mechanism I includes a fixed base II, a fixed base III and a fixed base V, the fixed base II and the fixed base III are located at the top of the sedimentation tank, and the two ends of the fixed base V are respectively movably connected to the fixed base II and the fixed base III. ;The fixed seat II is provided with a guide rail II, a motor III, and a lead screw II, both ends of the lead screw II are fixed on the fixed seat II through the bearing seat, the motor III is located at one end of the fixed seat II, and the motor III and the lead screw II are provided with The gear and the two gears are connected by a chain; the fixed seat III is provided with a guide rail III; The fixed seat V is provided with a motor V, a lead screw III, a guide rail V, a fixed plate, a support arm II and a shovel plate, and guide blocks are provided at both ends of the fixed seat V, which are connected and fixed by the guide block and the guide rail III and the guide rail II. Base II and fixed base III, the bottom of the fixed plate is provided with a guide block and is set in the guide rail V, the screw III is fixed on the fixed base V through the fixed plate through the bearing seat, and the shaft end is provided with a gear, the motor V is located in the fixed position One end of the plate and the shaft end are provided with gears, and the two gears are connected by a chain; one end of the support arm II is fixedly connected to the bottom of the fixed plate, and the shovel plate is located at the other end of the support arm II and is connected to the support arm II through a pin shaft; The mud scraping mechanism II includes a fixed base I, a guide rail I, a motor I, a lead screw I, a mounting block, a support arm I, a fixed long plate, a bucket, and a support leg; the guide rail I is arranged on the fixed base I, The motor I is located at one end of the fixed seat I and the shaft end of the motor I is provided with a gear, the two ends of the lead screw I are fixed on the fixed seat I through the bearing seat and pass through the mounting block, one end of the lead screw I is provided with a gear, and the two ends of the lead screw I are provided with a gear. The gears are connected by a chain; the mounting block is provided with a motor II and a rotating shaft I and a guide block is provided at the bottom, the mounting block is fixed in the guide rail I through the bottom guide block, and the ends of the motor II and the rotating shaft I are provided with a guide block. has gears and is connected by a chain; The support arm I is provided with a rotating shaft III and several rotating shafts II, the rotating shaft II is provided with a number of transmission gears and is located inside the two support arms I, and each transmission gear is connected by a chain; one end of the rotating shaft III is provided with a The gear is located on the outside of the support arm I, and the gear is connected with the gear at the end of the rotating shaft I through a chain; the fixed long plate is fixed between the two support arms I through the rotating shaft II, and the fixed long plate is provided with a T-shaped guide rail; The two ends of the bucket are fixedly connected with chains, and the bottom is provided with a T-shaped guide block and is set in the T-shaped guide rail; one end of the support leg is fixedly connected to one side of the support arm I, and the other end is movably connected to the inner wall of the sedimentation tank, which is on the inner wall of the sedimentation tank. A guide groove is provided, and the other end of the support leg is located in the guide groove. 2. An industrial sewage pretreatment device according to claim 1, characterized in that the medicine inlet on the flocculation tank II is located at a corner of the cover plate, and the moving pull plate is located at one side of the cover plate; the motor IV is located in the center of the cover plate The shaft end of the motor IV is connected to the drive shaft, and the drive shaft is provided with several fan blades and the fan blades are fixed up and down along the drive shaft; the height of the isolation plate in the quick oil filter tank is lower than the height of the quick oil filter tank. 3. An industrial sewage pretreatment device according to claim 1, wherein one end of the shovel plate is provided with an elastic strut, one end of the elastic strut is connected to the shovel plate, and the other end is linked to a support arm. 4 . An industrial sewage pretreatment device according to claim 1 , wherein an activated carbon plate is provided on the cover of the quick oil filter tank. 5 . 5. An industrial sewage pretreatment device according to claim 1, characterized in that a filter screen is provided on the inner wall of the isolation plate and the quick oil filter tank. 6 . The industrial sewage pretreatment device according to claim 2 , wherein a fixing frame is arranged in the flocculation tank II. 7 .

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