CN217247210U

CN217247210U - Internally-feeding type screen plate mechanical grid

Info

Publication number: CN217247210U
Application number: CN202221235385.6U
Authority: CN
Inventors: 庄旭
Original assignee: Jiangsu Jinyi Environmental Protection Technology Co Ltd
Current assignee: Jiangsu Jinyi Environmental Protection Technology Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-23
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses an internal-feeding type screen plate mechanical grid, which comprises two symmetrical groove pools, wherein the two groove pools are respectively provided with a wallboard, each wallboard is internally provided with a screen plate, the grid adopts a 90-degree vertical installation mode, sewage flows into the machine from a middle water inlet hole and flows out through the screen plates at two sides and is converged into a machine back channel through water outlet channels at two sides, the screen plates at two sides are driven by a transmission chain to upwards extract the intercepted sewage from the screen plates passing through under water from bottom to top, when the sewage reaches the upper part, the sewage is automatically discharged under the combined action of slag gravity and top flushing waterpower, slag water is discharged into a slag retaining groove between the screen plates at two sides, the grid slag is flushed to a spiral conveyer along with water flow, after the grid slag is sent into a high-drainage spiral squeezer through the conveyer, the grid is squeezed and dehydrated, the grid has reliable dirt cleaning effect, and has reliable self-cleaning capacity on the structural design, no dirt winding and clamping phenomena exist, and no dirt is accumulated at the bottom of the grating to form a dead angle.

Description

Internally-feeding type screen plate mechanical grid

Technical Field

The utility model belongs to the technical field of the scrubbing machinery, concretely relates to interior formula otter board machinery grid that advances.

Background

When otter board machinery grid was used for decontaminating, be used for intercepting massive suspension or the solid pollutant of floating state that is to avoid blockking up the mud pipe of water pump or sedimentation tank, the otter board machinery grid effect of decontaminating of prior art is general, does not have reliable self-purification ability, and at the in-process that uses, winding, the jamming phenomenon appear very easily, lead to the effect of decontaminating poor, cause the filth to pile up in the grid bottom easily, can pile up into the dead angle for a long time.

Therefore, the inward-entering type otter board mechanical grating which has reliable decontamination effect, reliable self-cleaning capability on the structural design, no dirt winding and clamping phenomena and no dirt accumulation at the bottom of the grating to form dead angles is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior formula otter board machinery grid that advances to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an inner-feeding type screen plate mechanical grid comprises two symmetrical groove pools, wall plates are arranged on the two groove pools respectively, a screen plate is arranged in each wall plate, the screen plates are in transmission connection with a chain wheel through chains, the input end of the chain wheel is in transmission connection with the output end of a speed reduction motor, grid flushing water pipes are arranged on water passing channels on the screen plates on two sides, the grid flushing water pipes are connected to a water outlet pipe of a water tank, a slag reserving groove is formed in each groove pool, and a grid slag discharging port matched with the two screen plates is formed in each slag reserving groove;

the sewage flows into the machine from the middle water inlet hole, flows out through the screens at the two sides and is converged into a channel behind the machine through the water outlet channels at the two sides by adopting a 90-degree vertical installation mode. The speed reducing motor is installed on a forward output shaft of the frame, the screen plates on the two sides are driven by the transmission chain to upwards extract the trapped dirt passing through the screen plates from bottom to top, when the dirt reaches the upper part, the dirt discharging work is automatically completed under the combined action of the gravity of the slag and the top flushing waterpower through the steering function of the chain wheel, the slag water is discharged into a slag retaining groove between the screen plates on the two sides, and the grid slag is flushed to the spiral conveyor along with the water flow.

Preferably, a high-pressure washing water pump is arranged on the grating washing water pipe.

Preferably, the net plate is vertically arranged,

preferably, the slag retaining groove is connected to the screw conveyor through the slag discharge pipe, the screw conveyor is connected to the high-drainage screw press, slag water is discharged into the slag retaining groove between the net plates on the two sides, the grid slag rushes to the screw conveyor along with water flow, and after being sent into the high-drainage screw press through the conveyor, the grid slag is squeezed and dehydrated.

Preferably, be equipped with air vent and manhole on the outlet pipe, the manhole inside and outside all sets up the cat ladder, convenient the maintenance.

The utility model discloses a technological effect and advantage: the internal-entering type screen plate mechanical grating adopts a 90-degree vertical installation mode, and sewage flows into the machine from a middle water inlet hole, flows out through the screen plates on two sides and is converged into a channel behind the machine through water outlet channels on two sides. The speed reducing motor is installed on a forward output shaft of the frame, the screen plates on the two sides are driven by the transmission chain to upwards extract the trapped dirt passing through the screen plates from bottom to top, when the dirt reaches the upper part, the dirt discharging work is automatically completed under the combined action of the gravity of the slag and the top flushing waterpower through the steering function of the chain wheel, the slag water is discharged into a slag retaining groove between the screen plates on the two sides, the grid slag is flushed to the spiral conveyor along with the water flow, and the grid slag is squeezed and dehydrated after being sent into the high-drainage spiral squeezer through the conveyor.

The grid has reliable effect of decontaminating, has reliable self-purification ability on structural design, and no filth winding, jamming phenomenon, and the grid bottom does not have the filth and piles up formation dead angle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 1. a ditch and a pool; 2. a wallboard; 3. a screen plate; 4. a reduction motor; 5. a grille flushing water pipe; 6. a water tank; 7. a water outlet pipe; 8. a high pressure flush pump; 9. a slag groove is reserved; 10. a grate slag discharge port; 11. a slag discharge pipe; 12. a screw conveyor; 13. a vent hole; 14. a manhole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an internal feeding type screen plate mechanical grid as shown in figure 1-2, comprising two symmetrical groove pools 1, two wall plates 2 are respectively arranged on the groove pools 1, each wall plate 2 is internally provided with a screen plate 3, the screen plate 3 is vertically arranged, the screen plate 3 is in transmission connection with a chain wheel through a chain, the input end of the chain wheel is in transmission connection with the output end of a speed reducing motor 4, the water passing channel on the screen plate 3 is provided with a screen flushing water pipe 5 at two sides, the screen flushing water pipe 5 is connected to a water outlet pipe 7 of a water tank 6, the screen flushing water pipe 5 is provided with a high-pressure flushing water pump 8, the groove pool 1 is provided with a residue retaining groove 9, and the residue retaining groove 9 is provided with a grid slag discharging port 10 matched with the two screen plates 3;

the sewage flows into the machine from the middle water inlet hole, flows out through the screen plates 3 at the two sides and is converged into the channel at the back of the machine through the water outlet channels at the two sides by adopting a 90-degree vertical installation mode. The speed reducing motor 4 is installed on a forward output shaft of the frame, the screen plates 3 on two sides are driven by the transmission chain to upwards extract the intercepted dirt passing through the screen plates 3 from bottom to top, when the dirt reaches the upper part, the dirt is automatically discharged under the combined action of the gravity of the slag and the top flushing waterpower through the steering function of the chain wheel, the slag water is discharged into the slag retaining groove 9 between the screen plates on two sides, the grid slag is flushed to the spiral conveyor 12 along with the water flow, the slag retaining groove 9 is connected to the spiral conveyor 12 through the slag discharge pipe 11, the spiral conveyor 12 is connected to a high-drainage spiral press, the slag water is discharged into the slag retaining groove 9 between the screen plates on two sides, the grid slag is flushed to the spiral conveyor 12 along with the water flow, and the grid slag is sent into the high-drainage spiral press through the conveyor to be squeezed and dehydrated.

Be equipped with air vent 13 and manhole 14 on the outlet pipe 7, the manhole 14 inside and outside all sets up the cat ladder, convenient maintenance.

The performance structure of the internal-entering type screen plate mechanical grid is as follows:

the whole screen plate surface of the grating is provided with enough water passing channels so as to ensure that the water passing area and the flow rate meet the design requirements.

The upper part of the grid type ditch platform is of a fully-closed structure, the working environment is good, and the movable sealing plate is arranged on the side surface of the machine, so that the installation, the inspection and the maintenance of the dirt removing machine are facilitated.

All bearings, except the drive, are self-lubricating.

The driving device of the grating is positioned at the upper part of the frame, and except the transmission device, the rest parts are all made of stainless steel materials. The main transmission shaft is made of ASTM420 stainless steel materials, the main transmission shaft is designed to have enough strength and rigidity to bear loads acted by bending moment and torque at the same time, the driving device adopts a shaft-mounted speed reducer, and spiral adjusting devices are arranged on two sides of the frame and used for adjusting tension of a transmission chain. The motor speed reducer has high transmission efficiency, low noise, long service life and stable and reliable operation. The power supply of the motor is 380V/3 phase/50 Hz, the protection grade is IP55, the insulation grade is F grade, and the rated power of the motor is more than 10 percent larger than the maximum practical power consumption. The driving device is provided with an inductive signal overload protection device, and the driving device can automatically stop when an alarm is generated once the driving device is overloaded.

Grid frame and body part direct mount are on the channel, and the solid of aquatic is caught by "trash rack" to vertical lift sends to the trash cleaning machine top, and trash rack gyration is redirected the in-process and is fallen into under gravity and the effect of top middling pressure sparge water and connect the silo above the transmission shaft.

The design of the sewage interception net ensures that the collection and the transportation of grid slag are optimal, the aperture of the screen plate is 3mm, the screen plate is formed by processing 304 stainless steel plates, a step type rotary filter screen is formed by chains, when the sewage interception net operates, a part of fiber garbage is attached to the screen plate by water power, block-shaped and granular (such as wood blocks and fruit shells) garbage is gathered on the step, and when the screen plate ascends, the garbage is continuously separated from water. The whole screen plate surface is provided with enough water passing channels so as to ensure that the water passing area and the flow rate meet the design requirements and ensure that a certain water passing allowance is reserved.

The water inlet end of the grille, the two sides of the ditch below the mounting platform (ditch ground) are provided with inclined diversion water baffles, and water flow is led into the inner inlet net plate through the water inlet of the rack. When the gap between the baffle and the pool wall is installed, cement mortar is used for pouring or a rubber plate is used for sealing, so that slag leakage is prevented. In order to effectively intercept the garbage in water, a reliable sealing structure is designed between the internal net plate type mechanical grating rotary net plate and the frame, and the internal net plate type mechanical grating rotary net plate is provided with a side seal and a bottom seal. The side seal is arranged between the net plate and the chains at two sides and extends to a wellhead from the bottom; the bottom seal is arranged between the screen plate and the groove bottom and spans the whole grid width. The two are respectively made of wear-resistant engineering plastics or rubber plates, and can thoroughly prevent dirt from penetrating through the grating body from the bottom and the side.

The grating is provided with a flushing system, and on occasions with strong slag adhesion, a program is set to control the operation of a flushing water pump at regular time, the electromagnetic valves are opened in sequence, the flushing head moving mechanism is started, and flushing water is pulled to wash the screen plate back and forth.

The chute comprises a stainless steel 304 circular conveying pipe type chute body, a material receiving port, a standby flushing valve, a support frame and the like, and under the action of water flow, water-containing slag substances of the two grids automatically flow to the material outlet through the conveying groove and fall into a slag receiving screw press below the conveying groove.

The internal-entering type screen plate mechanical grating adopts a 90-degree vertical installation mode, and sewage flows into the machine from a middle water inlet hole, flows out of the two side screen plates 3 and is converged into a channel behind the machine through water outlet channels on the two sides. The speed reducing motor 4 is arranged on a forward output shaft of the frame, the screen plates 3 on the two sides are driven by the transmission chain to upwards extract the trapped dirt passing through the screen plates 3 from bottom to top, when the dirt reaches the upper part, the dirt discharging work is automatically completed under the combined action of the gravity of the slag and the top flushing waterpower through the steering function of the chain wheel, the slag water is discharged into a slag retaining groove 9 between the screen plates on the two sides, the grid slag is flushed to a spiral conveyer 12 along with the water flow, and the grid slag is squeezed and dehydrated after being sent into a high-drainage spiral squeezer through the conveyer.

The grid has reliable effect of decontaminating, has reliable self-purification ability on structural design, and no filth winding, jamming phenomenon, and the grid bottom does not have the filth and piles up formation dead angle. Under the condition that the water level difference between the front and the rear of the grating reaches 1.0m, the combined net plate has enough strength and rigidity, and the normal operation of the equipment is not influenced by deformation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an interior formula otter board machinery grid that advances, includes two ditch ponds (1) that bilateral symmetry set up, its characterized in that: two be equipped with wallboard (2), every on ditch pond (1) respectively all be equipped with otter board (3) in wallboard (2), otter board (3) are connected with sprocket feed through the chain, the input of sprocket is connected with the output transmission of gear motor (4), both sides be equipped with grid wash water pipe (5) on the water channel on otter board (3), grid wash water pipe (5) are connected to on outlet pipe (7) of water tank (6), be equipped with on ditch pond (1) and stay slag groove (9), it arranges cinder notch (10) with two otter board (3) matched with grid to stay to be equipped with on slag groove (9).

2. An in-feed otter board mechanical grill as recited in claim 1, wherein: and a high-pressure washing water pump (8) is arranged on the grating washing water pipe (5).

3. An in-feed otter board mechanical grill as recited in claim 1, wherein: the net plate (3) is arranged vertically.

4. An in-feed otter board mechanical grill as recited in claim 1, wherein: the slag retaining groove (9) is connected to a spiral conveyor (12) through a slag discharge pipe (11), and the spiral conveyor (12) is connected to a high-drainage spiral press.

5. An in-feed otter board mechanical grill as recited in claim 1, wherein: and the water outlet pipe (7) is provided with a vent hole (13) and a manhole (14).