CN221084933U

CN221084933U - Automatic rotary drum filter for desalted water

Info

Publication number: CN221084933U
Application number: CN202322919651.8U
Authority: CN
Inventors: 任延海; 李晓望; 王伯侃
Original assignee: Hengli Petrochemical Dalian New Material Technology Co ltd
Current assignee: Hengli Petrochemical Dalian New Material Technology Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-06-07
Anticipated expiration: 2033-10-30

Abstract

The utility model provides a desalted water automatic roller filter, which comprises a bracket, a shell, a roller, a rotary driving mechanism, a desalted water inlet pipeline, a filter water outlet pipeline, non-woven fabrics, a crawler belt conveying system and a desalted water tank, wherein the shell is arranged on the bracket, the roller is arranged in the shell, the central axis of the roller is parallel to the horizontal plane, and the peripheral surface of the roller is provided with a filtering hole; the two ends of the roller are provided with openings, one end of the roller is closed by a connecting plate, and the rotary driving mechanism is connected with the connecting plate; the other end of the roller is closed by a stainless steel annular water baffle, the middle part of the stainless steel annular water baffle is provided with a circular opening area, and a desalted water inlet pipeline penetrates into the roller through the circular opening area; the water outlet pipeline of the filter is connected with the bottom of the shell, a non-woven fabric is arranged below the outlet of the water outlet pipeline of the filter and is tiled on a conveying track of the track conveying system, and the desalting water tank is arranged below the conveying track. The utility model ensures the filtering effect of desalted water, reduces the consumption of non-woven fabrics of a polyester desalted water system, and reduces the operation cost.

Description

Automatic rotary drum filter for desalted water

Technical Field

The utility model relates to the technical field of filtration, in particular to an automatic rotary drum filter for desalted water.

Background

In the chemical production process, the desalted water filtration of the granulator is a common operation, and the treatment of the process water such as polyester granulation in the chemical fiber textile industry at present is to lay non-woven fabrics above the water tank to filter the desalted water returned from the granulator to the desalted water tank, and filter out the impurities such as slice powder in the recycled desalted water, and the defects mainly exist as follows:

The consumption of the non-woven fabric is large, and the operation cost is high. Waste non-woven fabrics are not well treated, and the burning treatment of a heating medium station is adopted by the present company, so that risks are brought to the safe operation of a heating medium furnace, and the waste gas and smell generated by the combustion of the non-woven fabrics aggravate the burden of the tail gas treatment of the heating medium station.

For the device, the non-woven fabric is used for filtering desalted water, three strands of water (overflow water, spray water and conveying water) of the granulator are easy to block, so that the granulator is released, and company loss is caused.

For operators, the non-woven fabric is used for filtering desalted water, a desalted water pump filter, a desalted water plate and a desalted water tank are used, the service cycle of the granulator is short, the operators are required to frequently clean the desalted water system of the granulator, and labor cost is increased.

In order to seek to replace the method of non-woven fabrics to filter granulator process water, the polyester industry has already disclosed a drum type micro-filter in using desalted water filter equipment, for example CN2015137043. X, including frame, cylinder, microfilter cover, electric cabinet, driving motor, water inlet, drain and universal wheel, the frame bottom is provided with the universal wheel, the connection of frame top is provided with the microfilter cover, be provided with the cylinder through the pivot connection in the frame, frame one side top is provided with electric cabinet and driving motor through the branch connection, driving motor passes through the drive shaft and links to each other with the pivot, the microfilter cover sets up in the top of cylinder, cylinder one side is provided with the water inlet.

However, the existing desalted water filtering device needs to manually operate the rotation of the roller, the flushing of the filter screen and other operations, has low intelligent degree, can not be continuously used for a long time, and has high failure rate; the cylinder filter screen is the cylinder structure, and curved surface filter screen is damaged, needs to change whole curved surface filter screen, and the maintenance degree of difficulty is high, and is with high costs.

Therefore, the automatic rotary drum filter for desalted water, which is simple and convenient to operate, convenient to maintain and good in filtering effect, is researched and has very important significance.

Disclosure of utility model

According to the technical problems, an automatic rotary drum filter for desalted water is provided. The utility model adopts the following technical means:

An automatic rotary drum filter for desalinating water, comprising: the device comprises a bracket, a shell, a roller, a rotary driving mechanism, a desalted water inlet pipeline, a filter water outlet pipeline, non-woven fabrics, a caterpillar band conveying system and a desalted water tank, wherein the shell is arranged on the bracket, the roller is arranged in the shell, the central axis of the roller is parallel to the horizontal plane, the peripheral surface of the roller is provided with filtering holes, and the mesh number of the filtering holes is 300-500 meshes;

The rotary driving mechanism is arranged on the shell, and the output end of the rotary driving mechanism is connected with the connecting plate and is used for driving the rotary drum to rotate around the central axis;

the other end of the roller is sealed by a stainless steel annular water baffle, the middle part of the stainless steel annular water baffle is provided with a circular opening area, and the desalted water inlet pipeline penetrates into the roller through the circular opening area;

The water outlet pipeline of the filter is connected with the bottom of the shell, a non-woven fabric is arranged below the outlet of the water outlet pipeline of the filter, the non-woven fabric is tiled on a conveying track of the track conveying system, and the desalting water tank is positioned below the conveying track; desalted water filtered by the filter is conveyed to the non-woven fabric through a water outlet pipeline of the filter, and enters a desalting water tank after being filtered by the non-woven fabric.

Further, the roller is of a hollow n-prism-shaped structure and is formed by splicing n prism frameworks and n 300-500 mesh stainless steel wire nets, wherein the n prism frameworks are formed by encircling a plurality of stainless steel bars, and n is 6 or 8.

Further, two rollers are contacted with two sides below the roller and supported by the two rollers, and bases of the two rollers are fixed on a bottom plate of the shell.

Further, the rotary driving mechanism comprises a transmission shaft, a chain and a roller transmission motor, the roller transmission motor is arranged on the shell, an output shaft of the roller transmission motor is connected with the transmission shaft through the chain, and the transmission shaft is connected with the connecting plate.

Further, a chain monitoring proximity switch is arranged on a gear bracket connected with the transmission shaft and the chain.

Further, the automatic back flushing device also comprises a back flushing pipeline, a chute, a waste collecting pipe and a collecting box, wherein the back flushing pipeline is fixed on the shell and is positioned above the roller, and 6-8 spray heads are uniformly arranged on the back flushing pipeline; one end of the chute is fixed on the shell, the other end of the chute penetrates into the roller through the circular open area and is positioned below the spray header, the chute does not rotate along with the roller, and only the roller rotates during backflushing; the discharge port of the chute is connected with a collecting box through a waste collecting pipe, and the collecting box is arranged beside the desalting water tank.

Further, the back flushing pipeline is a DN25 stainless steel pipe, and a DN25 ball valve and an electromagnetic switch valve are arranged on the back flushing pipeline.

Further, a 80-100 mesh filter screen is arranged in the collecting box.

Further, the automatic backwashing device further comprises a control panel cabinet, wherein the roller transmission motor of the rotary driving mechanism and the electromagnetic switch valve of the backwashing pipeline are electrically connected with the control panel cabinet, and a PLUS timing controller is arranged in the control panel cabinet.

Further, a main power switch, a flushing operation indicator lamp, a flushing valve fault indicator lamp, a flushing valve stop button, a flushing valve start button, a motor fault indicator lamp, a rotary operation indicator lamp, a power indicator lamp, a control power switch, a rotary start button and a rotary stop button are arranged on the control panel cabinet.

Compared with the prior art, the utility model has the following advantages:

1. The automatic rotary drum filter for desalted water provided by the utility model is filtered by the rotary drum in the filter and filtered again by the non-woven fabric, so that the filtering effect of desalted water is ensured, the consumption of the non-woven fabric of a polyester desalted water system is reduced, the consumption of the non-woven fabric is reduced by about 45%, the consumption of the non-woven fabric is reduced from 80 m/D to 44 m/D, and the running cost is reduced.

2. The automatic rotary drum filter for desalted water provided by the utility model ensures the desalted water filtering quality of the granulator, reduces the phenomenon of blockage of three strands of water of the granulator, reduces the discharge of the granulator and reduces the loss of companies.

3. According to the automatic rotary drum filter for desalted water, provided by the utility model, for operators, the use period of a desalted water system of a granulator, a desalted water pump filter, a desalted water plate and a desalted water tank is prolonged, and the frequency of cleaning the desalted water system of the granulator is reduced; the desalting water tank is adjusted from 2 months/time to 3 months/time in cleaning frequency, the cleaning period of the granulator is prolonged to 35-40 days from 25 days, the operation frequency is effectively reduced, the discharge amount of melt waste is reduced, and the workload of on-site staff is reduced.

4. The automatic rotary drum filter for desalted water provided by the utility model is additionally provided with an intelligent control system, so that flushing is realized, and the operation is simpler, more convenient and more accurate.

5. The automatic desalted water roller filter provided by the utility model has the advantages that the roller framework is changed into an n-prism structure, and the filter is formed by splicing n 300-500 mesh stainless steel wire nets, so that the cost is saved, and the overhaul difficulty is reduced.

6. The automatic rotary drum filter for desalted water provided by the utility model has the advantages of simple structure and convenience in operation, particles larger than stainless steel wire mesh grid particles are intercepted by the stainless steel wire mesh when water flows through the stainless steel wire mesh on the rotary drum, and clear water is used for removing impurities and particles in water and cleaning a water source through the principle of the stainless steel wire mesh.

Based on the reasons, the utility model can be widely popularized in the fields of filtration and the like.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of a desalted water automatic roller filter.

FIG. 2 is a schematic diagram of a control panel cabinet of the automatic desalted water roller filter of the present utility model.

Fig. 3 is a schematic structural view of a drum of the automatic desalted water drum filter of the present utility model.

Fig. 4 is a schematic structural view of a stainless steel annular water baffle.

Fig. 5 is a side view of an automatic rotary drum filter for desalinated water according to the utility model.

In the figure: 1. backwashing water pipe and spray head; 2. a chute; 3. a roller; 4. a desalted water inlet line; 5. a water outlet pipeline of the filter; 6. a waste collection pipe; 7. a collection box; 8. a transmission shaft; 9. a chain; 10. a roller drive motor; 11. a desalination water tank; 12. a system user; 13. a main power switch; 14. a control panel cabinet; 15. flushing an operation indicator lamp; 16. a flush valve fault indicator; 17. a flush valve stop button; 18. a flush valve actuation button; 19. a motor fault indicator light; 20. rotating the running indicator lamp; 21. a power indicator light; 22. controlling a power switch; 23. rotating the start button; 24. a rotation stop button; 25. 400 mesh stainless steel wire mesh; 26. the connecting surface of the roller and the rotating shaft; 27. a connection hole; 28. a cylinder hexagonal prism skeleton; 29. a circular open area; 30. stainless steel annular water baffle; 31. a roller; 32. a crawler belt conveying motor; 33. a non-woven fabric installation place; 34. a conveyor track; 35. a nonwoven fabric.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the present utility model provides an automatic desalted water drum filter, comprising a bracket, a shell mounted on the bracket, a drum 3, a rotary driving mechanism, a desalted water inlet pipeline 4, a filter water outlet pipeline 5, a non-woven fabric 35, a caterpillar conveying system and a desalted water tank 11;

The roller 3 is positioned in the shell, and the central axis of the roller 3 is parallel to the horizontal plane; the two ends of the roller 3 are opened, one end is closed by a connecting plate, and the other end is closed by a stainless steel annular water baffle 30; the circumference of the roller 3 is provided with filtering holes, and the mesh number of the filtering holes is 300-500 meshes;

The rotary driving mechanism is used for driving the roller 3 to rotate around the central axis;

The desalted water inlet pipeline 4 penetrates into the roller 3 through a circular opening area 29 (arranged at the other end of the roller) of the stainless steel annular water baffle 30;

The filter water outlet pipeline 5 is connected with the bottom of shell, and the export of filter water outlet pipeline 5 faces the non-woven fabrics, and non-woven fabrics 35 tiling is on crawler belt conveyor system's conveying track 34 (former desalted water filtration system conveying track), and filter filtered desalted water gets into desalination basin 11 after the non-woven fabrics 35 tiling on crawler belt conveyor system's conveying track 34 filters again, and desalination basin 11 is located crawler belt conveyor system's conveying track 34's below. The desalinated water obtained finally from the desalinating water tank 11 is supplied to the system user 12. The conveying crawler 34 of the crawler conveying system is driven by a crawler conveying motor 32 (primary desalted water filtering system desalted water crawler conveying motor), and a non-woven fabric installation place 33 (primary desalted water filtering system non-woven fabric installation place) is arranged at the starting end of the conveying crawler 34.

The filter can form a double-filter system with the process desalted water treatment system, dirty desalted water returned from the granulator is filtered by the filter and then filtered again by the non-woven fabric, so that the filtering quality of the desalted water of the granulator is ensured. The filter of the utility model reduces the consumption of non-woven fabrics and reduces the running cost of companies. The service cycle of the granulator is prolonged, and the frequency of cleaning the granulator desalted water system is reduced. The filter device has the advantages of simple structure, quick installation, simple and convenient operation, high intelligent degree, low manufacturing cost, long service life, safety, energy conservation and environmental protection.

In the embodiment, the roller 3 is of a hollow n-prism-shaped structure and is formed by splicing n prism frameworks and n 300-500 mesh stainless steel wire nets, wherein the n prism frameworks are formed by encircling a plurality of stainless steel bars, and n is 6 or 8. In this embodiment, the drum 3 is formed by splicing a hexagonal prism skeleton 28 and n 400 mesh stainless steel wire nets 25. In the running process of the roller 3, if one surface is damaged, all filter screens are not required to be replaced, and only the surface steel wire mesh is required to be replaced; the roller 3 is supported by two rollers 31, and the bases of the two rollers 31 are fixed on the bottom plate of the shell, so that the roller 3 is ensured to rotate on the central axis in the running process.

In this embodiment, the rotary driving mechanism includes a transmission shaft 8, a drum transmission motor 10, and a chain 9; the transmission shaft 8 is connected with a connecting plate, namely a connecting surface 26 of the roller and the rotating shaft in fig. 3, a connecting hole is formed in the middle of the connecting plate, and the end part of the transmission shaft 8 is fixedly connected with the connecting hole. Meanwhile, the transmission shaft 8 is connected with an output shaft of a roller transmission motor 10 through a chain 9, and the roller transmission motor 10 is arranged on the shell.

In the embodiment, the desalted water automatic roller filter also comprises a back flushing pipeline, a chute 2, a waste collecting pipe 6 and a collecting box 7; the back flush pipeline is fixed above the roller 3, 6-8 spray heads are uniformly arranged on the back flush pipeline, and the back flush pipeline and the spray heads form a back flush water pipe and a spray head 1; one end of the chute 2 is fixed on the shell, the other end of the chute passes through a circular opening area 29 of a stainless steel annular water baffle 30 and penetrates into the position below the spray header in the roller 3, the chute 2 is not fixedly connected with the roller 3, the chute 2 cannot rotate along with the roller 3, and only the roller 3 rotates during backflushing; the discharge opening of the chute 2 is connected to a collection tank 7 by a waste collection pipe 6.

In this embodiment, the collecting tank 7 is disposed beside the desalination water tank 11, and a 80-100 mesh filter screen is disposed therein for filtering impurities.

In the embodiment, the back flushing pipeline is a DN25 stainless steel pipe, and DN25 ball valves (used for disconnecting the back flushing pipeline of the desalted water filter, facilitating the overhaul of filter equipment, electromagnetic valves and the like) and electromagnetic switch valves are arranged on the back flushing pipeline.

In the embodiment, the automatic desalted water roller filter also comprises a control panel cabinet 14, and the electromagnetic switch valve and the roller transmission motor 10 are electrically connected with the control panel cabinet 14; a PLUS timing controller (an existing controller is adopted) is arranged in the control panel cabinet 14 to control the start and stop operation of the flushing electromagnetic switch valve, the flushing switch valve can be preset to be started every 10 minutes, the starting time is 1 minute, the filter screen is intermittently flushed, and the specific time can be adjusted according to actual requirements.

In the present embodiment, the control panel cabinet 14 is provided with a main power switch 13, a flushing operation indicator lamp 15, a flushing valve failure indicator lamp 16, a flushing valve stop button 17, a flushing valve start button 18, a motor failure indicator lamp 19, a rotation operation indicator lamp 20, a power indicator lamp 21, a control power switch 22, a rotation start button 23, and a rotation stop button 24.

In this embodiment, the automatic desalted water roller filter further includes a chain monitoring proximity switch (the proximity switch is mounted on a gear bracket connected with the transmission shaft 8 and the chain 9 in fig. 1, and the proximity switch is 0.8 cm away from the chain) for monitoring the running state of the chain, and sending a signal to a motor wireless control switch module (disposed in the control panel cabinet 14, which is the prior art) when the chain breaks or is tooth-removed, and the motor wireless control switch module controls the rotary running motor to stop running after receiving the signal, and simultaneously the rotary running indicator lamp 20 turns off green light.

The main power switch 13 (red switch) on the control panel cabinet 14 is turned on according to the production requirement. The control power switch 22 is turned on, the power indicator lamp 21 is turned on, the rotary start button 23 is pressed, the rotary operation indicator lamp 24 is turned on, the drum 3 is rotated at this time, the flushing valve start button 18 is pressed, the flushing valve indicator lamp (flushing operation indicator lamp 15) is turned on, and the flushing switch valve is turned on to flush the filter screen once and then turned off. The backwash frequency was then controlled according to the PLUS timer (1 minute for every 10 minutes). At the moment, the desalted water filter is operated, a granulator return water pipeline DN250 butterfly valve is opened, an original return water pipeline DN300 butterfly valve is closed, and at the moment, granulator return water enters a filter drum 3 through a filter desalted water inlet pipeline 4 to perform desalted water filtration. The filtered desalted water directly flows into the original caterpillar filtering system of the desalting water tank, and is filtered again through the non-woven fabric 35 and then enters the system for use. During operation of the desalted water filter, if the roller transmission motor 10 fails, a motor failure indicator lamp 19 on the control panel cabinet 14 is turned on. A chain monitoring proximity switch is arranged, and if the chain breaks, the tooth is removed. The motor is immediately shut down and the fault lamp is on. If the flush valve fails, the flush valve failure light is on.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An automatic rotary drum filter for desalinating water, comprising: the device comprises a bracket, a shell, a roller (3), a rotary driving mechanism, a desalted water inlet pipeline (4), a filter water outlet pipeline (5), non-woven fabrics (35), a crawler conveying system and a desalted water tank (11), wherein the shell is arranged on the bracket, the roller (3) is arranged in the shell, the central axis of the roller (3) is parallel to the horizontal plane, the peripheral surface of the roller (3) is provided with filtering holes, and the mesh number of the filtering holes is 300-500 meshes;

The two ends of the roller (3) are provided with openings, one end of the roller is closed by a connecting plate, and the rotary driving mechanism is arranged on the shell, and the output end of the rotary driving mechanism is connected with the connecting plate and is used for driving the roller (3) to rotate around the central axis;

The other end of the roller (3) is sealed by a stainless steel annular water baffle (30), the middle part of the stainless steel annular water baffle (30) is provided with a circular open area (29), and the desalted water inlet pipeline (4) penetrates into the roller (3) through the circular open area (29);

The water outlet pipeline (5) of the filter is connected with the bottom of the shell, a non-woven fabric (35) is arranged below an outlet of the water outlet pipeline (5) of the filter, the non-woven fabric (35) is tiled on a conveying crawler (34) of the crawler conveying system, and the desalination water tank (11) is arranged below the conveying crawler (34); desalted water filtered by the filter is conveyed to the non-woven fabric (35) through a water outlet pipeline (5) of the filter, filtered by the non-woven fabric (35) and enters a desalting water tank (11).

2. The automatic desalted water roller filter according to claim 1, wherein the roller (3) is of a hollow n-prism-shaped structure, and is formed by splicing an n-prism framework and n 300-500 mesh stainless steel wire meshes, wherein the n-prism framework is formed by encircling a plurality of stainless steel bars, and n is 6 or 8.

3. Automatic desalted water roller filter according to claim 1 or 2, characterized in that two rollers (31) are contacted on two sides below the roller (3), supported by the two rollers (31), and the bases of the two rollers (31) are fixed on the bottom plate of the housing.

4. Automatic rotary drum filter for desalted water according to claim 1, characterized in that the rotary driving mechanism comprises a transmission shaft (8), a chain (9) and a drum transmission motor (10), the drum transmission motor (10) is mounted on the housing, an output shaft of the drum transmission motor (10) is connected with the transmission shaft (8) through the chain (9), and the transmission shaft (8) is connected with the connecting plate.

5. The automatic desalted water roller filter according to claim 4, wherein a chain monitoring proximity switch is installed on a gear bracket connected with the transmission shaft (8) and the chain (9).

6. The automatic desalted water roller filter according to claim 1, further comprising a back flushing pipeline, a chute (2), a waste collecting pipe (6) and a collecting box (7), wherein the back flushing pipeline is fixed on the shell and is positioned above the roller (3), and 6-8 spray heads are uniformly arranged on the back flushing pipeline; one end of the chute (2) is fixed on the shell, the other end of the chute penetrates into the roller (3) through the circular opening area (29) and is positioned below the spray header, the chute (2) does not rotate along with the roller (3), and only the roller (3) rotates during backflushing; the discharge port of the chute (2) is connected with a collecting box (7) through a waste collecting pipe (6), and the collecting box (7) is arranged beside a desalting water tank (11).

7. The automatic desalted water roller filter of claim 6, wherein said back flushing pipe is DN25 stainless steel pipe with DN25 ball valve and electromagnetic switch valve installed thereon.

8. Automatic rotary drum filter for desalted water according to claim 6, characterized in that the inside of the collecting box (7) is provided with a 80-100 mesh filter screen.

9. The automatic desalted water roller filter according to claim 1, further comprising a control panel cabinet (14), wherein the roller transmission motor (10) of the rotary driving mechanism and the electromagnetic switch valve of the back flushing pipeline are electrically connected with the control panel cabinet (14), and a PLUS timing controller is arranged in the control panel cabinet (14).

10. The automatic desalted water drum filter as set forth in claim 9, wherein a main power switch (13), a flushing operation indicator lamp (15), a flushing valve failure indicator lamp (16), a flushing valve stop button (17), a flushing valve start button (18), a motor failure indicator lamp (19), a rotation operation indicator lamp (20), a power indicator lamp (21), a control power switch (22), a rotation start button (23) and a rotation stop button (24) are provided on the control panel cabinet (14).