CN111974042B - Anti-washing unit of sewage pump entry for PTA production - Google Patents
Anti-washing unit of sewage pump entry for PTA production Download PDFInfo
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- CN111974042B CN111974042B CN202010831689.8A CN202010831689A CN111974042B CN 111974042 B CN111974042 B CN 111974042B CN 202010831689 A CN202010831689 A CN 202010831689A CN 111974042 B CN111974042 B CN 111974042B
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- funnel
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- 239000010865 sewage Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005406 washing Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 127
- 238000011001 backwashing Methods 0.000 claims abstract description 19
- 238000011010 flushing procedure Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 description 20
- 238000001125 extrusion Methods 0.000 description 11
- 241000251468 Actinopterygii Species 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a sewage pump inlet backwashing device for PTA production. The inlet backwashing device of the sewage pump for PTA production comprises a sewage pool; a drainage mechanism; a recoil mechanism; the filter mechanism comprises a hose, a feeding funnel, a filter screen and a rubber pad, and the annular rubber pad is arranged on the bottom surface of the feeding funnel; a collection mechanism; a fixing mechanism; the flushing mechanism comprises a rubber rod, a fixed sleeve, a water pipe, a baffle, a fishing line, a first spring, a floating ball, a stop rod and a fixed funnel, the inner part of the fixed funnel is clamped and connected with the floating ball in a sliding manner, and one end of the floating ball is provided with the first spring; the bottom end of the floating ball is fixedly connected with the fishing line, and the fishing line is connected with the inside of the rubber rod in a sliding manner; the inner part of the collecting mechanism is rotatably connected with the baffle, and the bottom end of the baffle is connected with the fishing line.
Description
Technical Field
The invention relates to the technical field of PTA equipment, in particular to a sewage pump inlet backwashing device for PTA production.
Background
A sewage tank is arranged in the PTA device, and waste water generated in the production process is collected uniformly and then is sent to a sewage treatment unit through a sewage pump.
The sump is usually open and occasionally impurities may enter the sump and block the inlet screen of the pump, causing cavitation of the pump and the occasional discharge of material from the unit also blocking the inlet line of the pump. Once the inlet is blocked, the inlet flange needs to be detached to clean the inlet pipeline or clean sundries at the bottom of the sewage pool, which is time-consuming and labor-consuming.
Therefore, there is a need to provide a new sewage pump inlet backwashing device for PTA production to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a sewage pump inlet backwashing device for PTA production, which can quickly and effectively clean a filter screen.
In order to solve the technical problem, the invention provides a sewage pump inlet backwashing device for PTA production, which comprises: a sewage tank; the drainage mechanism is arranged inside the sewage pool; the backflushing mechanism is connected with the top end of the drainage mechanism; the filtering mechanism is fixedly connected with the bottom end of the drainage mechanism and comprises a hose, a feeding hopper, a filter screen and a rubber pad, the hose is installed at the bottom end of the drainage mechanism, and the feeding hopper is installed at the bottom end of the hose; the filter screen is arranged in the bottom end of the feeding funnel, and the annular rubber pad is arranged on the bottom surface of the feeding funnel; the inner part of the collecting mechanism is connected with the rubber pad in a sliding way; the fixing mechanism is arranged inside the collecting mechanism; the flushing mechanism is connected with the bottom end of the drainage mechanism and comprises a rubber rod, a fixed sleeve, a water pipe, a baffle, a fishing line, a first spring, a floating ball, a stop rod and a fixed funnel, the water pipe is installed on the side wall of the drainage mechanism, the fixed sleeve is installed at the bottom end of the water pipe, the fixed funnel is fixedly connected inside the fixed sleeve, the floating ball is clamped and connected inside the fixed funnel in a sliding mode, the first spring is installed at one end of the floating ball, the stop rod is connected with the bottom end of the first spring, and the stop rod is vertically connected with the inner side wall of the fixed sleeve; the bottom end of the floating ball is fixedly connected with the fishing line, and the fishing line is connected with the inside of the rubber rod in a sliding manner; the inside of collecting the mechanism rotates and connects the baffle, the bottom of baffle is connected the fish tape.
Preferably, the drainage mechanism comprises a water suction pipe, a water tank, a drainage pipe, a fixing frame, a water pump and a connecting pipe, the water suction pipe is arranged in the sewage pool, the top end of the water suction pipe is connected with the water pump in the water tank, and the water pump is fixed at the bottom end of the water tank through the fixing frame; the connecting pipe is obliquely installed at the bottom end of the water pump, and the water drainage pipe is installed at the top end of the water tank.
Preferably, the recoil mechanism comprises an air compressor and an exhaust pipe, the air compressor is installed at the top end of the sewage pool, the exhaust pipe is installed at one end of the air compressor, and the exhaust pipe is obliquely connected with the top end of the water suction pipe.
Preferably, the side walls of the exhaust pipe and the water suction pipe are respectively provided with an electromagnetic valve, the bottom surface of the water tank is provided with the water pipe, and the bottom end of the water pipe is obliquely connected with the side wall of the water suction pipe.
Preferably, the collecting mechanism comprises a collecting barrel, a sewage discharge pipe, a second spring, a floating plate, a supporting rod and a supporting sleeve, wherein the collecting barrel is arranged in the sewage pool in a circular truncated cone shape, the inner part of the collecting barrel is connected with the floating plate in a sliding manner, and two ends of the second spring are respectively connected with the bottom surface of the floating plate and the inner part of the collecting barrel; the side wall of the collecting cylinder is provided with the sewage discharge pipe, and the side wall of the sewage discharge pipe is provided with the support sleeve; the supporting rods are arranged at the top ends of the floating plates at equal intervals, and the top ends of the supporting rods are connected with the bottom surface of the feeding hopper; the top end of the collecting cylinder is funnel-shaped, and the sliding connection in the top end of the collecting cylinder is elastic to the rubber pad.
Preferably, the baffle plate with the arc-shaped side wall is rotatably connected to the inside of the top end of the support sleeve, and the rubber rod is installed on the side wall of the support sleeve and the side wall of the fixed sleeve.
Preferably, the fixing mechanism comprises a first magnetic ring and a second magnetic ring, the first magnetic ring is mounted inside the floating plate, the second magnetic ring with a semicircular section is mounted inside the top end of the collecting cylinder, and the top surface of the first magnetic ring is used for adsorbing the bottom end of the second magnetic ring.
Compared with the prior art, the sewage pump inlet backwashing device for PTA production provided by the invention has the following beneficial effects:
the invention provides a sewage pump inlet backwashing device for PTA production, when a drainage mechanism stops working, a fixed funnel, a rubber pad and a filter screen vertically move downwards to enable the rubber pad to enter the interior of a collection mechanism, a backwashing mechanism is opened to enable the backwashing mechanism to enable compressed air to enter the interior of the fixed funnel through a hose to enable the compressed air to extrude the filter screen, at the moment, part of air penetrates through the filter screen to be in contact with the rubber pad to enable the rubber pad to be propped open in the collection mechanism, the rubber pad is enabled to be tightly attached to the inner side wall of the top end of the collection mechanism, the top end of the collection mechanism is sealed, the extruded air enters the collection mechanism, the more impurities in the filter screen are, the less air penetrates through the filter screen to enter the collection mechanism, the pressure inside the fixed funnel is gradually increased along with the entering of air, so that the air extrudes impurities inside the filter screen to rapidly dredge the filter screen, when the filter screen is dredged, a large amount of air enters the inside of the collecting mechanism to be contacted with the baffle, the extrusion force of the air on the baffle is large at the moment, the baffle is driven to rotate, the baffle rotates to pull the fish wire, the floating ball is pulled by the fish wire to be separated from the fixed funnel, the fixed funnel is opened, accumulated water inside the drainage mechanism enters the inside of the fixed funnel through the water pipe, the air mixed with water and rapidly moved is contacted with the fixed funnel and the filter screen, the water is used for cleaning the inside of the filter screen and the fixed funnel, meanwhile, the impurities are pushed to be discharged from the inside of the collecting mechanism, and the impurities are prevented from entering the inside of the sedimentation tank again, and air and water will the filter screen clean up need not with the filter screen is dismantled, labour saving and time saving.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a reverse flushing device for an inlet of a sewage pump for PTA production according to the present invention;
FIG. 2 is a schematic view of the internal structure of the filter mechanism shown in FIG. 1;
FIG. 3 is an exploded view of the fixed funnel and collection canister shown in FIG. 2;
FIG. 4 is a sectional view showing the internal structure of the drain mechanism shown in FIG. 1;
fig. 5 is a schematic view of the internal structure of the pouch shown in fig. 1;
fig. 6 is a top view of the floating plate structure shown in fig. 2.
Reference numbers in the figures: 1. the device comprises a sewage pool, 2, a drainage mechanism, 21, a water suction pipe, 22, a water tank, 23, a drainage pipe, 24, a fixing frame, 25, a water pump, 26, a connecting pipe, 3, an electromagnetic valve, 4, a recoil mechanism, 41, an air compressor, 42, an exhaust pipe, 5, a flushing mechanism, 51, a rubber rod, 52, a fixing sleeve, 53, a water pipe, 54, a baffle, 55, a fishing line, 56, a first spring, 57, a floating ball, 58, a baffle rod, 59, a fixing funnel, 6, a filtering mechanism, 61, a hose, 62, a feeding funnel, 63, a filter screen, 64, a rubber pad, 7, a collecting mechanism, 71, a collecting cylinder, 72, a drainage pipe, 73, a second spring, 74, a floating plate, 75, a supporting rod, 76, a supporting sleeve, 8, a fixing mechanism, 81, a first magnetic ring, 82 and a second magnetic ring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an inlet backwashing device of a PTA production sewage pump according to the present invention; FIG. 2 is a schematic view of the internal structure of the filter mechanism shown in FIG. 1; FIG. 3 is an exploded view of the fixed funnel and collection canister shown in FIG. 2; FIG. 4 is a sectional view showing the internal structure of the drain mechanism shown in FIG. 1; fig. 5 is a schematic view of the internal structure of the pouch shown in fig. 1; fig. 6 is a top view of the floating plate structure shown in fig. 2. PTA production is with sewage pump entry back flush device includes: a sewage tank 1; the drainage mechanism 2 is arranged in the sewage pool 1; the backflushing mechanism 4 is connected with the top end of the drainage mechanism 2; the filtering mechanism 6 is fixedly connected with the bottom end of the drainage mechanism 2, the filtering mechanism 6 comprises a hose 61, a feeding funnel 62, a filter screen 63 and a rubber pad 64, the hose 61 is installed at the bottom end of the drainage mechanism 2, and the feeding funnel 62 is installed at the bottom end of the hose 61; the filter screen 63 is arranged in the bottom end of the feeding funnel 62, and the annular rubber pad 64 is arranged on the bottom surface of the feeding funnel 62; the collecting mechanism 7 is connected with the rubber pad 64 in a sliding manner inside the collecting mechanism 7; a fixing mechanism 8, wherein the fixing mechanism 8 is installed inside the collecting mechanism 7; the flushing mechanism 5 is connected with the bottom end of the drainage mechanism 2, the flushing mechanism 5 comprises a rubber rod 51, a fixing sleeve 52, a water pipe 53, a baffle plate 54, a fishing line 55, a first spring 56, a floating ball 57, a stop lever 58 and a fixing funnel 59, the water pipe 53 is mounted on the side wall of the drainage mechanism 2, the fixing sleeve 52 is mounted at the bottom end of the water pipe 53, the fixing funnel 59 is fixedly connected with the inside of the fixing sleeve 52, the floating ball 57 is clamped and slidably connected with the inside of the fixing funnel 59, the first spring 56 is mounted at one end of the floating ball 57, the stop lever 58 is connected with the bottom end of the first spring 56, and the stop lever 58 is vertically connected with the inner side wall of the fixing sleeve 52; the bottom end of the floating ball 57 is fixedly connected with the fishing line 55, and the fishing line 55 is slidably connected with the inside of the rubber rod 51; the inner part of the collecting mechanism 7 is rotatably connected with the baffle plate 54, and the bottom end of the baffle plate 54 is connected with the fishing line 55.
Specifically, the drainage mechanism 2 includes a suction pipe 21, a water tank 22, a drainage pipe 23, a fixing frame 24, a water pump 25 and a connecting pipe 26, the suction pipe 21 is disposed inside the sewage tank 1, the top end of the suction pipe 21 is connected to the water pump 25 inside the water tank 22, and the water pump 25 is fixed to the bottom end of the water tank 22 through the fixing frame 24; the bottom slope installation of water pump 25 connecting pipe 26, the top installation of water tank 22 drain pipe 23, for the convenience water pump 25 is in the inside operation of water tank 22 makes the inside suction that produces of pipe 21 that absorbs water, will the inside water of effluent water sump 1 inhales the inside of pipe 21 that absorbs water makes water get into the inside of water tank 22 is followed slope blowout downwards gets into in the connecting pipe 26 inside the bottom of water tank 22 makes water accumulation be in the inside of water tank 22 is followed again discharge in the blast pipe 23, and gets into the sewage of box 22 is followed the downward sloping blowout in the connecting pipe 26 makes the water wash the inside bottom surface of box 22 makes water be in the inside constantly rolls in the bottom of box 22 to avoid impurity to deposit in the inside of box 22.
Specifically, recoil mechanism 4 includes air compressor 41 and blast pipe 42, the top installation of effluent water sump 1 air compressor 41, the one end installation of air compressor 41 blast pipe 42, just blast pipe 42 slope is connected the top of absorbing water pipe 21, and for the convenience air compressor 41 operates compressed air, makes the air after the compression pass through blast pipe 42 gets into the inside of absorbing water pipe 21, and the air after the compression with the filter screen 63 contact makes the air right filter screen 63 backflush, gets rid of the impurity in the filter screen 63.
Specifically, the electromagnetic valves 3 are respectively installed on the side walls of the exhaust pipe 42 and the water suction pipe 21, the water pipe 53 is installed on the bottom surface of the water tank 22, the bottom end of the water pipe 53 is obliquely connected to the side wall of the water suction pipe 21, so that the exhaust pipe 42 and the water suction pipe 21 can be conveniently opened or closed, sewage in the sewage tank 1 can be conveniently discharged, and the filter screen 63 can be conveniently cleaned.
Specifically, the collecting mechanism 7 comprises a collecting barrel 71, a sewage discharge pipe 72, a second spring 73, a floating plate 74, a support rod 75 and a support sleeve 76, the collecting barrel 71 in a circular truncated cone shape is mounted in the sewage tank 1, the floating plate 74 is slidably connected in the collecting barrel 71, and two ends of the second spring 73 are respectively connected with the bottom surface of the floating plate 74 and the inside of the collecting barrel 71; the side wall of the collecting cylinder 71 is provided with the sewage discharge pipe 72, and the side wall of the sewage discharge pipe 72 is provided with the supporting sleeve 76; the top ends of the floating plates 74 are equidistantly provided with the supporting rods 75, and the top ends of the supporting rods 75 are connected with the bottom surface of the feeding hopper 62; the top end of the collecting barrel 71 is funnel-shaped, the rubber pad 64 with elasticity is slidably connected to the inside of the top end of the collecting barrel 71, so that when water in the sewage tank 1 is discharged through the feeding funnel 62, at this time, a suction force is generated inside the feeding funnel 62, the distance between the feeding funnel 62 and the collecting barrel 71 is small, the rubber pad 64 is sucked inside the feeding funnel 62, the rubber pad 64 moves towards the inside of the feeding funnel 62, a gap exists between the feeding funnel 62 and the collecting barrel 71, the water enters the inside of the feeding funnel 62 through the gap between the feeding funnel 62 and the collecting barrel 71, the suction force inside the feeding funnel 62 is large, the gap between the feeding funnel 62 and the collecting barrel 71 is small, and the feeding funnel 62 is pressed upwards while the water enters the inside of the feeding funnel 62, moving the feeding funnel 62 upward, the feeding funnel 62 moving upward brings the supporting rod 75 and the floating plate 74 to move upward in the collecting cylinder 71, and the floating plate 74 moving elongates the second spring 73; the distance between the feeding funnel 62 and the collecting cylinder 71 is increased, so that water can enter the inner part of the feeding funnel 62 conveniently, and the floating plate 74 closes the top end of the collecting cylinder 71; when the filter screen 63 is cleaned, the second spring 73 contracts to drive the floating plate 74 to move downwards, so that the top surface of the floating plate 74 is flush with the bottom end of the sewage pipe 72, and meanwhile, the rubber pad 64 enters the inside of the collecting cylinder 71, so that impurities falling from the inside of the filter screen 63 are discharged from the inside of the sewage pipe 72.
Specifically, the baffle 54 with the arc-shaped side wall is rotatably connected to the inside of the top end of the support sleeve 76, the rubber rod 51 is installed on the side walls of the support sleeve 76 and the fixed sleeve 52, so that the baffle 54 drives the fishing line 55 to move inside the rubber rod 51 conveniently, the inside of the rubber rod 51 is elastic, and when the fishing line 55 moves, the fishing line 55 is extruded by the inside wall of the rubber rod 51, so that water is prevented from moving inside the rubber rod 51.
Specifically, the fixing mechanism 8 includes a first magnetic ring 81 and a second magnetic ring 82, the first magnetic ring 81 is installed inside the floating plate 74, the second magnetic ring 82 with a semicircular section is arranged inside the top end of the collecting cylinder 71, the top surface of the first magnetic ring 81 is used for adsorbing the bottom end of the second magnetic ring 82, when the floating plate 74 moves upward, the distance between the feeding funnel 62 and the collecting cylinder 71 is increasingly larger, the extrusion force of water to the feeding funnel 62 is increasingly smaller, at this time, the floating plate 74 drives the first magnetic ring 81 to move upward, so that the attraction force between the first magnetic ring 81 and the second magnetic ring 82 is increasingly larger, so that the second magnetic ring 82 drives the floating plate 74 and the first magnetic ring 81 to move upwards, when the first magnetic ring 81 abuts against the second magnetic ring 82, the floating plate 74 closes the top end of the collecting cylinder 71. When water does not enter the interior of the feed hopper 62, the feed hopper 62 is not subjected to upward extrusion force by the water, the pulling force of the second spring 73 on the floating plate 74 is greater than the extrusion forces of the first magnetic ring 81 and the second magnetic ring 82, so that the floating plate 74 moves downward to seal the bottom end of the collecting cylinder 71, and meanwhile, the rubber gasket 64 is driven to enter the interior of the collecting cylinder 71, thereby facilitating the discharge of impurities in the filter screen 63.
In the using process, the device is connected with a power supply, the electromagnetic valve 3 on the side wall of the water suction pipe 21 is opened, the electromagnetic valve 3 on the side wall of the exhaust pipe 42 is closed, and meanwhile, the sewage discharge pipe 72 is closed. The water pump 25 is turned on, the water pump 25 operates to make the water suction pipe 21 and the inner part of the feeding funnel 62 generate suction, the inner part of the feeding funnel 62 generates suction, the distance between the feeding funnel 62 and the collecting cylinder 71 is small, the inner part of the feeding funnel 62 sucks the rubber pad 64, the rubber pad 64 moves towards the inner part of the feeding funnel 62, a gap exists between the feeding funnel 62 and the collecting cylinder 71, water enters the inner part of the feeding funnel 62 through the gap between the feeding funnel 62 and the collecting cylinder 71, the suction inside the feeding funnel 62 is large, the gap between the feeding funnel 62 and the collecting cylinder 71 is small, the feeding funnel 62 is pressed upwards while the water enters the inner part of the feeding funnel 62, the feeding funnel 62 moves upwards, and the supporting rod 75 and the floating plate 74 are driven to hang down in the inner part of the collecting cylinder 71 by the upward movement of the feeding funnel 62 The floating plate 74 moves to elongate the second spring 73; as the feeding funnel 62 moves vertically upward, the hose 61 connected to the inside of the feeding funnel 62 is gradually bent to make the distance between the feeding funnel 62 and the suction pipe 21 closer and closer; and when the floating plate 74 moves upward, the distance between the feeding funnel 62 and the collecting cylinder 71 of the feeding funnel 62 is larger and larger, the extrusion force of water to the feeding funnel 62 is smaller and smaller, at this time, the floating plate 74 drives the first magnetic ring 81 to move upward, so that the attraction force between the first magnetic ring 81 and the second magnetic ring 82 is larger and larger, so that the second magnetic ring 82 drives the floating plate 74 and the first magnetic ring 81 to move upward, when the first magnetic ring 81 abuts against the second magnetic ring 82, the floating plate 74 seals the top end of the collecting cylinder 71, water enters the inside of the feeding funnel 62, and the filter screen 63 blocks impurities from entering the hose 61 and the inside of the water suction pipe 21, so that sewage continuously enters the inside of the water suction pipe 21. Along with water pump 25 is in the inside operation of water tank 22 makes the inside suction that produces of tub 21 will the inside water of effluent water sump 1 is inhaled the inside of tub 21 that absorbs water makes water get into the inside of water tank 22 is followed slope downwardly directed blowout gets into in connecting pipe 26 inside the bottom of water tank 22 makes water accumulation be in the inside of water tank 22 is followed discharge in the blast pipe 23 again, and gets into the sewage of box 22 is followed slope downwardly directed blowout in the connecting pipe 26 makes the water wash the inside bottom surface of box 22 makes water be in the inside of bottom of box 22 constantly rolls to avoid impurity to deposit in the inside of box 22, make sewage constantly follow the inside discharge of drain pipe 23. When the filter screen 63 needs to be cleaned, the water pump 25 is closed, the electromagnetic valve 3 on the side wall of the water suction pipe 21 is closed, the electromagnetic valve 3 on the side wall of the exhaust pipe 42 is opened, and the sewage discharge pipe 72 is opened at the same time. When water does not enter the interior of the feeding funnel 62, the water is right, upward extrusion force does not exist on the feeding funnel 62, the second spring 73 is right, the pulling force of the floating plate 74 is greater than the extrusion force of the first magnetic ring 81 and the second magnetic ring 82, so that the floating plate 74 moves downwards to seal the bottom end of the collecting cylinder 71, the top surface of the floating plate 74 is flush with the bottommost end of the sewage discharge pipe 72, and the rubber pad 64 is driven to enter the interior of the collecting cylinder 71. The air compressor 41 is opened, the air compressor 41 operates to compress air, the compressed air enters the water suction pipe 21 through the exhaust pipe 42, the compressed air is in contact with the filter screen 63, the filter screen 63 is backflushed by the air, impurities in the filter screen 63 are removed, part of the air penetrates through the unblocked filter screen 63 and is in contact with the rubber pad 64, the rubber pad 64 is expanded in the collecting cylinder 71, the rubber pad 64 is tightly attached to the inner side wall of the top end of the collecting cylinder 71, the top end of the collecting cylinder 71 is sealed, the extruded air enters the collecting cylinder 71 and the sewage pipe 72, the more impurities in the filter screen 63 are, the less air penetrates through the filter screen 63 and enters the sewage pipe 72 and the inside of the support sleeve 76, and the pressure of the moving air in the support sleeve 76 on the baffle 54 is insufficient to push the baffle 51 to rotate, the pressure inside the feeding funnel 62 is gradually increased along with the entering of air, so that the air extrudes impurities inside the filter screen 63, the filter screen 63 is rapidly dredged, when most of the filter screen 63 is dredged, a large amount of air enters the inside of the supporting sleeve 76 to contact with the baffle 54, the extrusion force of the air on the baffle 54 is large at the moment, the baffle 54 is driven to rotate, the baffle 54 rotates to pull the fishing line 55, the fishing line 55 pulls the floating ball 57 to be separated from the feeding funnel 62, the feeding funnel 62 is opened, accumulated water inside the water tank 22 enters the water suction pipe 21 and the inside of the feeding funnel 62 through the water pipe 53, the air mixed with water and rapidly moving is in contact with the feeding funnel 62 and the filter screen 63, the water cleans the insides of the filter screen 63 and the feeding funnel 62, and meanwhile, the impurities are pushed to be discharged from the inside the sewage discharge pipe 72, avoid impurity to get into again the inside of sedimentation tank 1, and air and water will filter screen 63 clean up works as after the inside ponding of water tank 22 is discharged, air compressor 41 continues the operation, makes the air continue to get into feed hopper 62 with the inside of collecting vessel 71 makes the air extrusion the inside water of blow off pipe 72 will the inside ponding of blow off pipe 72 is discharged, will again air compressor 41 closes can, first spring 56 extension promotes the floater 57 motion makes floater 57 gets into feed hopper 62's inside will feed hopper 62 closes, avoids the inside water of water tank 22 is followed the inside discharge of water pipe 53.
Compared with the prior art, the sewage pump inlet backwashing device for PTA production provided by the invention has the following beneficial effects:
the invention provides a sewage pump inlet backwashing device for PTA production, when a drainage mechanism 2 stops working, a feeding funnel 62, a rubber pad 64 and a filter screen 63 vertically move downwards, the rubber pad 64 enters the inside of a collection mechanism 7, a backwashing mechanism 4 is opened, the backwashing mechanism 4 enables compressed air to enter the inside of the feeding funnel 62 through a hose 62, the compressed air is subjected to backwashing extrusion on the filter screen 63, at the moment, part of air penetrates through the filter screen 63 to be in contact with the rubber pad 64, the rubber pad 64 is propped open in the collection mechanism 7, the rubber pad 64 is made to be tightly attached to the inner side wall of the top end of the collection mechanism 7, the top end of the collection mechanism 7 is sealed, the extruded air enters the inside of the collection mechanism 7, and more impurities exist in the filter screen 63, the less the air passing through the filter screen 63 and entering the collecting mechanism 7, the more the pressure inside the feeding funnel 62 is gradually increased along with the entering of the air, so that the air presses the impurities inside the filter screen 63, the filter screen 63 is rapidly dredged, when the majority of the filter screen 63 is dredged, a large amount of air enters the collecting mechanism 7 and contacts with the baffle 54, the extrusion force of the air on the baffle 54 is large at the moment, the baffle 54 is driven to rotate, the baffle 54 rotates to pull the fish line 55, the fish line 55 moves inside the blocking rod 58 to pull the floating ball 57 to be separated from the feeding funnel 62, the feeding funnel 62 is opened, the accumulated water inside the drainage mechanism 2 enters the feeding funnel 62 through the water pipe 53, and the air mixed with water and rapidly moving is in contact with the feeding funnel 62 and the filter screen 63, make water right filter screen 63 with feed hopper 62's inside is washd, promotes impurity simultaneously and follows the inside discharge of collecting mechanism 7 avoids impurity to get into again the inside of sedimentation tank 1, and air and water will filter screen 63 sanitization, need not will filter screen 63 dismantles labour saving and time saving.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a sewage pump entry back flush unit for PTA production which characterized in that includes:
a sewage tank (1);
the drainage mechanism (2), the drainage mechanism (2) is installed in the sewage pool (1);
the backflushing mechanism (4) is connected with the top end of the drainage mechanism (2), the backflushing mechanism (4) comprises an air compressor (41) and an exhaust pipe (42), the air compressor (41) is installed at the top end of the sewage tank (1), the exhaust pipe (42) is installed at one end of the air compressor (41), and the exhaust pipe (42) is obliquely connected with the drainage mechanism (2);
the filtering mechanism (6) is fixedly connected with the bottom end of the drainage mechanism (2), the filtering mechanism (6) comprises a hose (61), a feeding funnel (62), a filter screen (63) and a rubber pad (64), the hose (61) is installed at the bottom end of the drainage mechanism (2), and the feeding funnel (62) is installed at the bottom end of the hose (61); the filter screen (63) is arranged in the bottom end of the feeding funnel (62), and the annular rubber pad (64) is arranged on the bottom surface of the feeding funnel (62);
the rubber pad (64) is connected to the inside of the collecting mechanism (7) in a sliding mode, the collecting mechanism (7) comprises a collecting barrel (71), a sewage discharge pipe (72), a second spring (73), a floating plate (74), a supporting rod (75) and a supporting sleeve (76), the round-table-shaped collecting barrel (71) is installed inside the sewage pool (1), the floating plate (74) is connected to the inside of the collecting barrel (71) in a sliding mode, and two ends of the second spring (73) are connected to the bottom face of the floating plate (74) and the inside of the collecting barrel (71) respectively; the side wall of the collecting barrel (71) is provided with the sewage draining pipe (72), and the side wall of the sewage draining pipe (72) is provided with the supporting sleeve (76); the top ends of the floating plates (74) are equidistantly provided with the supporting rods (75), and the top ends of the supporting rods (75) are connected with the bottom surface of the feeding hopper (62); the top end of the collecting cylinder (71) is funnel-shaped, and the elastic rubber pad (64) is connected to the inside of the top end of the collecting cylinder (71) in a sliding manner;
a fixing mechanism (8), wherein the fixing mechanism (8) is arranged inside the collecting mechanism (7);
a flushing mechanism (5), wherein the flushing mechanism (5) is connected with the bottom end of the drainage mechanism (2), the flushing mechanism (5) comprises a rubber rod (51), a fixed sleeve (52), a water pipe (53), a baffle (54), a fishing line (55), a first spring (56), a floating ball (57), a baffle rod (58) and a fixed funnel (59), the side wall of the drainage mechanism (2) is provided with the water pipe (53), the bottom end of the water pipe (53) is provided with the fixed sleeve (52), the inner part of the fixed sleeve (52) is fixedly connected with the fixed funnel (59), the inner part of the fixed funnel (59) is clamped and connected with the floating ball (57) in a sliding way, one end of the floating ball (57) is provided with the first spring (56), the bottom end of the first spring (56) is connected with the stop lever (58), the stop lever (58) is vertically connected with the inner side wall of the fixed sleeve (52); the bottom end of the floating ball (57) is fixedly connected with the fishing line (55), and the fishing line (55) is connected with the inside of the rubber rod (51) in a sliding manner; the inner part of the collecting mechanism (7) is rotatably connected with the baffle (54), and the bottom end of the baffle (54) is connected with the fishing line (55).
2. The intake backwashing apparatus of the sewage pump for PTA production of claim 1, wherein the drainage mechanism (2) comprises a suction pipe (21), a tank (22), a drainage pipe (23), a fixing bracket (24), a water pump (25) and a connecting pipe (26), the suction pipe (21) is disposed inside the sewage tank (1), the top end of the suction pipe (21) is connected to the water pump (25) inside the tank (22), and the water pump (25) is fixed to the bottom end of the tank (22) through the fixing bracket (24); the connecting pipe (26) is obliquely arranged at the bottom end of the water pump (25), and the drain pipe (23) is arranged at the top end of the water tank (22).
3. The intake backwashing apparatus of the sewage pump for PTA production of claim 2, wherein the electromagnetic valves (3) are installed at the side walls of said exhaust pipe (42) and said suction pipe (21), respectively, said water pipe (53) is installed at the bottom surface of said water tank (22), and the bottom end of said water pipe (53) is connected to the side wall of said suction pipe (21) in an inclined manner.
4. The sewage pump inlet backwashing apparatus for PTA production as recited in claim 1, wherein said baffle (54) having an arc-shaped side wall is rotatably connected to the inside of the top end of said support sleeve (76), and said rubber rod (51) is mounted on the side walls of said support sleeve (76) and said fixed sleeve (52).
5. The intake backwash device for a sewage pump for PTA production as recited in claim 1, wherein said fixing mechanism (8) comprises a first magnetic ring (81) and a second magnetic ring (82), said first magnetic ring (81) is installed inside said floating plate (74), said second magnetic ring (82) having a semicircular cross section is installed inside the top end of said collection cylinder (71), and the top surface of said first magnetic ring (81) is used for adsorbing the bottom end of said second magnetic ring (82).
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| CN114215141B (en) * | 2021-11-02 | 2022-11-08 | 浙江建投环保工程有限公司 | Water intake device for dissolved air pump |
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