CN218306490U - Trash device - Google Patents

Abstract

The utility model discloses a trash holding device, which comprises a plurality of trash holding structures arranged on a frame, wherein the trash holding structures are separated by longitudinal partition plates, and the trash holding device also comprises a thick grating and a plurality of high-density solid holding structures which are arranged on the upstream surface of the frame, the high-density solid holding structures are fixedly connected with the bottom of the upstream surface of the thick grating, and the high-density solid holding structures correspond to the trash holding structures; the high-density solid intercepting structure is a hollow triangular prism structure, and one side of the triangular prism structure is an open upstream face. The utility model discloses intercept flexible rubbish such as high density solid particle, jumbo size solid waste, tiny solid waste and poplar catkin in the circulating water effectively in proper order, realize the disposable collection of multiple form and size rubbish, show to improve and block dirty efficiency and reduce circulating water system resistance.

Description

Trash device

Technical Field

The utility model relates to a block dirty technical field, especially relate to a block dirty device.

Background

The trash rack is a frame-grid structure disposed in front of the water inlet of the water pump for blocking waterweeds and other trash (generally called as sewage) carried by the water flow. The garbage blocking and recycling device is applied to a circulating water system of a thermal power plant, wherein a frame grid type structure is arranged in a circulating pump water inlet flow channel and used for blocking hard particulate matters and flexible garbage entering an inlet of a circulating pump, so that no solid particulate matters garbage enters the circulating water, the garbage is prevented from blocking heat exchange equipment utilizing the circulating water, and the normal operation of the thermal power plant is met.

At present, a flat trash rack is mostly adopted at the inlet of a circulating pump, and the following problems often exist in the work: the flat plate structure has limited strength and is easy to deform, and partial garbage can enter the circulating water again in the process of lifting the trash rack, so that the garbage escape phenomenon exists. Coarse grilles, which are arranged upstream of the flat trash racks, are arranged separately from the flat trash racks, requiring a larger flow channel space.

Based on satisfying the on-the-spot requirement, realize the interception of the bulky rubbish of integration and piece rubbish, make things convenient for the on-the-spot management and practice thrift the space, it is the problem that needs to solve to provide one kind and can intercept the trash device of bulky rubbish and little volume floating garbage simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a block dirty device, the utility model provides an among the prior art block dirty device how to intercept the problem of bulky rubbish and little volume rubbish simultaneously.

According to the embodiment of the utility model, the trash holding device comprises a plurality of trash holding structures arranged on a frame, wherein a plurality of through holes are formed in a longitudinal partition plate, the trash holding device also comprises a thick grating arranged on the upstream face of the frame and a plurality of high-density solid holding structures corresponding to the trash holding structures in number, the high-density solid holding structures are fixedly connected with the bottom of the upstream face of the thick grating, and the high-density solid holding structures are integrally formed and fixedly connected with the frame;

the high-density solid intercepting structure is a hollow triangular prism structure, one side of the triangular prism structure is an open upstream face, the triangular prism structure comprises a first side face, a second side face, a third side face and a fourth side face which are enclosed, the first side face and the third side face are parallel to each other, the first side face and the third side face are both triangular, the second side face is attached to the ground, the fourth side face is of a filter screen structure, and a plurality of first water permeable holes are formed in the first side face, the second side face and the third side face.

Optionally, the included angle between the second side surface and the fourth side surface ranges from 5 ° to 90 °.

Optionally, it includes drawer screen structure and supplementary filter screen to block dirty structure, drawer screen structure and supplementary filter screen are all installed in the frame and can follow the pull direction and slide for the frame, supplementary filter screen is installed between drawer screen structure and thick grid.

Optionally, the drawer screen structure includes a drawer screen frame, a plurality of intermediate partitions, and a plurality of screen modules;

the drawer filter screen frame comprises a surrounding side wall, a top plate and a bottom plate, the opening side of the drawer filter screen frame is a water facing surface, the top of the side wall is fixedly connected with the top plate, and the bottom of the side wall is fixedly connected with the bottom plate;

the middle clapboards are arranged in the drawer filter screen frame along the direction parallel to the top plate and the bottom plate;

and the filter screen modules are arranged on the side wall.

Optionally, the shape of the middle partition plate is triangular or arc-shaped.

Optionally, the drawer filter screen frame is provided with a plurality of reinforcing ribs on the upstream surface, and the reinforcing ribs are fixedly connected with the drawer filter screen frame.

Optionally, a plurality of second water permeable holes are formed in the bottom plate and the middle partition plate, and the aperture range of the second water permeable holes is 5-20 mm.

Optionally, one end of the middle partition plate close to the upstream face is provided with an extension section facing the top plate.

Optionally, the hole pitch on the coarse grid ranges from 50mm to 500mm.

Optionally, the drawer screen frame further comprises a safety pedal arranged at the top of the frame and matched with the top plate of the drawer screen frame, and the safety pedal is arranged at a gap formed between the frame and the drawer screen frame.

The beneficial effects of the utility model are that:

1. the high-density solid intercepting structure is arranged at the lower part of the thick grating on the upstream side of the frame, is used as the first interception on the upstream side, and is used for intercepting high-density solids such as stones or concrete blocks from the upstream side of the flow channel and preventing the high-density solids from entering a circulating water pump and heat exchange equipment utilizing circulating water;

2. the utility model is provided with the coarse grating which is used as the second interception of the upstream face to intercept the large-size filler falling objects or other floaters from the upstream of the flow channel so as to meet the requirement of normal and reliable work;

3. the utility model carries out the third interception through the drawer filter screen structure, thus realizing the interception of the floating garbage with small volume;

4. the utility model adds the extension section on the intermediate baffle plate of the drawer filter screen structure, so that the escape rate of the garbage is reduced when the drawer filter screen structure is lifted out;

5. the utility model realizes the modularized installation of the filter screen through the filter screen module arranged on the drawer filter screen structure, is convenient for maintenance and replacement, saves time and labor, and in addition, the type of the filter screen module can select different modes and aperture sizes according to the physical characteristics of intercepting the garbage, such as a hole type or an embossing type on a flat plate;

6. the utility model discloses a set up supplementary filter screen, can satisfy in circulating water system moves, take drawer filter screen in-process out, put down supplementary filter screen after, can not have rubbish to escape to the trash rack at the back, keep running and clearance drawer filter screen rubbish in-process, be in clean state in the circulating water all the time.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of a trash rack according to the present invention;

FIG. 2 is a schematic structural view of a medium-thick grid according to the present invention;

fig. 3 is a schematic structural view of a medium-high density solid interception structure according to the present invention;

FIG. 4 is a schematic structural view of a filter screen structure of a drawer according to the present invention;

fig. 5 is a schematic structural view of the middle auxiliary filter screen of the present invention.

Reference numerals are as follows:

1-a frame;

2-high density solids interception structure, 210-first side, 220-second side, 230-third side, 240-fourth side, 250-first water permeable holes;

3-coarse grating;

4-trash structure, 410-drawer filter screen structure, 411-drawer filter screen frame, 401-side wall, 402-top plate, 403-bottom plate, 404-reinforcing rib, 412-middle partition plate, 413-filter screen module, 420-auxiliary filter screen, 430-second water permeable hole and 440-extension section;

5-safety pedal, 6-fixing structure and 7-lifting lug.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-3, a trash holding device comprises a plurality of trash holding structures 4 installed on a frame 1, wherein the trash holding structures 4 are separated by longitudinal partition plates which are permeable structures, i.e. the longitudinal partition plates can be provided with a plurality of through holes, or can be a structure with only a frame, and further comprises a coarse grid 3 installed on the upstream surface of the frame 1 and a plurality of high-density solid holding structures 2 corresponding to the trash holding structures 4 in number, the high-density solid holding structures 2 are fixedly connected with the bottom of the upstream surface of the coarse grid 3, and the high-density solid holding structures 2 are integrally formed and fixedly connected with the frame 1;

rib plates are fixedly connected to the upstream surface and the downstream surface of the frame 1 and are respectively arranged at the upper end, the middle part and the lower end of the trash rack body; the drawer filter screen structure 410 and the auxiliary filter screen 420 are made of stainless steel corrosion-resistant materials.

As shown in fig. 3, the high-density solid intercepting structure 2 is a hollow triangular prism structure, and one side of the triangular prism structure is an open upstream surface, and the triangular prism structure includes a first side 210, a second side 220, a third side 230, and a fourth side 240, which are enclosed, wherein the first side 210 and the third side 230 are parallel to each other, the first side 210 and the third side 230 are both triangular, the second side 220 is attached to the ground, the fourth side 240 is a filter screen structure, and a plurality of first water permeable holes 250 are formed in the first side 210, the second side 220, and the third side 230.

Preferably, the filter screen structure of the fourth side 240 may be a wedge-shaped filter screen or a patterned filter screen, a perforated filter screen, etc. as a fully permeable structure, high-density solid objects such as stones or concrete blocks are intercepted in the fourth side 240.

Preferably, the included angle between the second side 220 and the fourth side 240 ranges from 5 ° to 90 °.

In the structure, the high-density solid intercepting structure 2 is arranged on the lower part of the coarse grating 3 close to the upstream face of the runner bottom plate 403 and is used for intercepting stones or concrete blocks and the like from the upstream of the runner and preventing the stones or the concrete blocks from entering a circulating water pump, and preferably, the height of the high-density solid intercepting structure 2 is less than 1000mm.

Preferably, the hole pitch of the coarse grid 3 ranges from 50mm to 500mm.

In the structure, the coarse grating 3 is arranged on the upstream face in front of the frame 1, and the coarse grating 3 is fixedly connected on a horizontal or vertical bracket of the frame 1 by a steel plate or a steel wire; the center distance of the coarse grids 3 is 50mm-500mm, and the interception of large-size floating objects is realized.

In the present embodiment, as shown in fig. 4 to 5, the trash structure 4 includes a drawer screen structure 410 and an auxiliary screen 420, the drawer screen structure 410 being installed in the frame 1 and being slidable with respect to the frame 1 in the drawing direction, the auxiliary screen 420 being installed on a channel between the drawer screen structure 410 and the coarse grill 3. The auxiliary strainer 420 is not installed in a normal operation, and is placed in the guide grooves of the drawer strainer structure 410 and the coarse grill 3 only before the drawer strainer structure 410 with the garbage is drawn out, and after the drawer strainer 410 is replaced with a clean drawer strainer, the auxiliary strainer 420 is drawn out, so that the small-sized garbage can enter the strainer module 413 of the drawer strainer 410 to be intercepted.

In the structure, in each frame 1 separated by the longitudinal partition board in the frame 1, a vertical inserting plate rail is arranged in the direction facing the water surface, is perpendicular to the water surface and is used for inserting the auxiliary filter screen 420, and the auxiliary filter screen 420 is inserted in the gap of the movable drawer filter screen structure 410 for intercepting sundries which may enter the circulating water pump.

In this embodiment, as shown in fig. 4, the drawer screen structure 410 includes a drawer screen frame 411, a plurality of intermediate bulkheads 412 and a plurality of screen modules 413, the drawer screen frame 411 includes enclosed side wall 401, top plate 402 and bottom plate 403, the opening side of the drawer screen frame 411 is upstream, the top of the side wall 401 is fixedly connected with the top plate 402 and the bottom of the side wall 401 is fixedly connected with the bottom plate 403, a plurality of the intermediate bulkheads 412 are uniformly installed in the drawer screen frame 411 along the direction parallel to the top plate 402 and the bottom plate 403, and a plurality of the screen modules 413 are installed on the side wall 401.

Preferably, the plurality of filter screen modules can be selected from an embossed net, a punched net, a foam net or other filter screens, or a fiber structure.

Preferably, the shape of the middle partition 412 is a triangle or an arc, and preferably, the arc may be a semicircle.

With the structure, the middle partition plate 412 can well control the upper and lower sizes of the drawer filter screen frame 411 to be consistent, and in the using process, the side wall 401 can be processed into an arc shape or a shape with an included angle according to different specific application scenes.

As shown in fig. 1, preferably, a lifting lug 7 is arranged on the top plate 402; a movable monorail crane is arranged at the upper part of the flow passage and used for lifting the drawer filter screen structure 410 for cleaning.

In the structure, the drawer filter screen structure 410 is integrally vertical to the water flow direction, and the side of the opening is arranged in a manner of facing water, so that the area of the water filter screen is increased, the operating pressure difference of the trash blocking device can be reduced, and the cleaning frequency of the drawer filter screen structure 410 is reduced; the middle partition 412 can well control the upper and lower sizes of the drawer filter screen frame 411 to be consistent, the drawer filter screen frame 411 is high in strength, small in machining deformation and good in universality of a drawer filter screen, and the middle partition 412 can reduce escape of garbage in the process of extracting the drawer filter screen frame 411.

In this embodiment, as shown in fig. 4, the drawer filter screen frame further includes a plurality of ribs 404 installed on the upstream surface of the drawer filter screen frame 411, wherein the plurality of ribs 404 are fixedly connected to the drawer filter screen frame 411, and preferably, the plurality of ribs 404 are parallel to the top plate 402.

This structure serves to enhance the rigidity of the drawer screen frame 411.

Preferably, a plurality of second water permeable holes 430 are formed in the bottom plate 403 and the middle partition plate 412, and the aperture range of the second water permeable holes 430 is 5mm-20mm.

The structure can drain water and intercept garbage, the pore size can be selected according to the water body environment of circulating water, the pore size is large, filler fragments can be intercepted, the pore size is small, other soft and hard sundries can be intercepted, and the problem that the efficiency of the cooling tower is reduced because the sundries enter a condenser, other heat exchange equipment utilizing the circulating water and the cooling tower to pollute the filler is avoided.

Preferably, the end of the middle partition 412 near the upstream face has an extension 440 toward the top plate 402, and the height of the extension 440 ranges from 10mm to 50mm.

With this arrangement, the extension 440 functions to allow less debris to escape when the drawer screen is lifted out of the drawer.

Preferably, the drawer screen frame further comprises a safety pedal 5 arranged at the top of the frame 1 and matched with the top plate 402 of the drawer screen frame 411, and the safety pedal 5 is arranged at a gap formed between the frame 1 and the drawer screen frame 411.

With such a structure, the shape of the safety pedal 5 can be selected according to the shape of the side wall 401 of the drawer screen frame 411, for example, the side wall 401 is arc-shaped, the shape of the safety pedal 5 also has an arc line matched with the safety pedal, for example, the side wall 401 is triangular, and the shape of the safety pedal 5 is triangular matched with the safety pedal; when the drawer filter screen structure 410 is used, when workers need to replace the movable drawer filter screen structure, the safety pedal 5 can be treaded, and the safety guarantee capability is improved.

Preferably, two side edges of the frame 1 perpendicular to the upstream surface are provided with fixing structures 6, and the fixing structures 6 are used for fixing the trash holding device in the flow channel; the water flow comes from the upstream of the trash holding device, the thrust is backward, and the fixing structure 6 plays a fixing role in the flow channel; the fixing mode is one of the fixing modes, and a mode of fixing the trash blocking device at the bottom of the flow passage can be selected as a strengthening measure.

As shown in figure 1, more than or equal to one trash holding structure 4 is arranged in parallel in the frame 1, and the number of the trash holding structures 4 can be selected according to the width of a flow channel so as to achieve the purpose of safety and convenience in the operation process.

The utility model discloses an embodiment:

in normal operation, rubbish is intercepted in drawer filter screen structure 410's lateral wall 401, and when trash rack front and back pressure differential was greater than 300mm (can adopt measures such as water level measurement to realize alarming function), can lift by crane drawer filter screen structure 410 one by one and clear up, and 2-3 staff arrive the scene, clear up with the following step:

1. inserting a secondary screen 420 before each drawer screen structure 410;

2. lifting the corresponding drawer filter screen structure 410 and transferring to the peripheral environment through a monorail crane to be placed on the ground;

3. the empty position is internally hung with a clean drawer filter screen structure 410, and the replacement of a plurality of drawer filter screen structures 410 in a circulating water flow channel is completed in sequence, so that a group of drawer filter screen structures 410 can be prepared in advance to ensure the timely proceeding of the work.

The drawer screen structure 410 contaminated with debris is manually cleaned for use in the next flow path, wherein the auxiliary screen 420 is only used when the movable drawer screen structure 410 is extracted, and a plurality of auxiliary screens are available on site.

In addition, the drawer filter screen structure 410 is light in weight, simple to lift and easy to ensure the working safety, and can be operated by 2-3 persons on site generally;

the field installation condition requires: the wider and deeper the circulating water concrete flow channel is, the higher the requirement on the structural strength of the drawer filter screen structure 410 is, generally, the depth of the flow channel is less than or equal to 10m, and the width of the flow channel is less than or equal to 10 m.

To sum up, the utility model discloses can realize the purpose of the disposable interception of high density solid, jumbo size and small-size rubbish, improve interception efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A trash holding device comprises a plurality of trash holding structures arranged on a frame, wherein the trash holding structures are separated by longitudinal partition plates, and the trash holding device is characterized by further comprising a coarse grid arranged on the upstream face of the frame and a plurality of high-density solid holding structures corresponding to the trash holding structures in number, the high-density solid holding structures are fixedly connected with the bottom of the upstream face of the coarse grid, and the high-density solid holding structures are integrally formed and fixedly connected with the frame;

the high-density solid intercepting structure is of a hollow triangular prism structure, one surface of the triangular prism structure is an open upstream surface, the triangular prism structure comprises a first side surface, a second side surface, a third side surface and a fourth side surface which are enclosed, the first side surface and the third side surface are parallel to each other, the first side surface and the third side surface are both triangular, the second side surface is attached to the ground, the fourth side surface is of a filter screen structure, and a plurality of first water permeable holes are formed in the first side surface, the second side surface and the third side surface.

2. The barrier apparatus of claim 1, wherein the second and fourth sides are angled in the range of 5 ° to 90 °.

3. A trash holding device according to claim 1 wherein the trash holding structure includes a drawer screen structure and an auxiliary screen, both of which are mounted within the frame and slidable relative thereto in the pull direction, the auxiliary screen being mounted between the drawer screen structure and the coarse grid.

4. The trash holding device of claim 3 wherein the drawer screen structure comprises a drawer screen frame, a plurality of intermediate partitions and a plurality of screen modules;

the drawer filter screen frame comprises a surrounding side wall, a top plate and a bottom plate, the opening side of the drawer filter screen frame is a water facing surface, the top of the side wall is fixedly connected with the top plate, and the bottom of the side wall is fixedly connected with the bottom plate;

the middle clapboards are arranged in the drawer filter screen frame along the direction parallel to the top plate and the bottom plate;

and the filter screen modules are arranged on the side wall.

5. The barrier of claim 4, wherein the intermediate barrier is triangular or arcuate in shape.

6. The trash holding device of claim 4, further comprising a plurality of reinforcing ribs mounted on the upstream face of the drawer screen frame, wherein the plurality of reinforcing ribs are fixedly connected to the drawer screen frame.

7. The trash holding device of claim 4, wherein the bottom plate and the middle partition plate are each provided with a plurality of second water-permeable holes, and the diameter of each of the plurality of second water-permeable holes is in the range of 5mm-20mm.

8. The barrier apparatus of claim 4, wherein the intermediate bulkhead has an extension towards the roof at an end thereof adjacent the upstream face.

9. The barrier apparatus of claim 1, wherein the apertures of the coarse grille are spaced apart by a distance in the range of 50mm to 500mm.

10. The trash holding device of claim 5 further comprising a safety pedal disposed on the top of the frame for engaging the top panel of the drawer screen frame, the safety pedal being mounted in the gap formed between the frame and the drawer screen frame.

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