CN215248304U

CN215248304U - Granular material feeding buffer compensation device

Info

Publication number: CN215248304U
Application number: CN202121805217.1U
Authority: CN
Inventors: 胡海奇; 翟旭
Original assignee: Wuhan Xinyongchang Energy Saving Technology Co ltd
Current assignee: Wuhan Xinyongchang Energy Saving Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-21
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a granular material feeding buffer compensation device, which comprises a feeding pipe and a discharging pipe with an inverted frustum structure, wherein the inner diameter of the upper port of the discharging pipe is larger than that of the lower port of the feeding pipe; the upper port of the discharge pipe is connected with an elastic buffer plate, a material hole is formed in the elastic buffer plate, the lower end part of the feed pipe is connected with the elastic buffer plate, and the material hole of the elastic buffer plate is communicated with a feed pipe pipeline; the elastic buffer plate is respectively provided with a first connecting part and a second connecting part along the radial direction, the first connecting part is connected with the upper end of the discharge pipe, and the second connecting part is connected with the lower end of the feed pipe; the first connecting part is positioned at the outer side of the second connecting part; the material hole of the elastic buffer plate is positioned on the inner side of the second connecting part. The utility model has simple structure and convenient installation and maintenance, and when the blanking is weighed, the elastic buffer plate and the expanding section slow down and absorb the gravity impact potential energy of the medium; effectively reduce the interference of weighing to jar body electronic scale, and then reduce the material error of weighing, satisfy the industrial demand that becomes more meticulous.

Description

Granular material feeding buffer compensation device

Technical Field

The utility model belongs to granule material pay-off technique, concretely relates to granule material feeding buffering compensation technique.

Background

Particulate materials such as petroleum coke powder, coal powder, etc.; dynamic blanking weighing generally adopts the weighing tank body to be supported on an electronic scale, the upper end of the weighing tank body is connected with a blanking inlet pipeline, a compensator, namely a commonly called expansion joint, is arranged on the blanking inlet pipeline, for example, a precise metering device disclosed in CN201621038404.0 for a pneumatic conveying system of fine particle materials, and a feeding pipe and a discharging pipe are respectively provided with telescopic corrugated pipe sections. Although the telescopic corrugated pipe section has a certain buffering effect, after the corrugated pipe section is used for a period of time, petroleum coke powder and coal powder particle materials can be deposited in folds of the corrugated pipe section, so that the corrugated pipe section is hardened, the buffering effect is reduced, the interference on a weighing tank body is large during blanking weighing, and the weighing error of the materials is often large.

Disclosure of Invention

An object of the utility model is to provide an including the dust material, granule material unloading in-process of weighing realizes granule or dust material feeding buffering compensation's device.

The technical scheme of the utility model includes: the granular material feeding buffer compensation device comprises a feeding pipe and a discharging pipe with an inverted frustum structure, wherein the inner diameter of an upper port of the discharging pipe is larger than that of a lower port of the feeding pipe; the upper port of the discharge pipe is connected with an elastic buffer plate, a material hole is formed in the elastic buffer plate, the lower end part of the feed pipe is connected with the elastic buffer plate, and the material hole of the elastic buffer plate is communicated with a feed pipe pipeline; the elastic buffer plate is respectively provided with a first connecting part and a second connecting part along the radial direction, the first connecting part is connected with the upper end of the discharge pipe, and the second connecting part is connected with the lower end of the feed pipe; the first connecting part is positioned at the outer side of the second connecting part; the material hole of the elastic buffer plate is positioned at the inner side of the second connecting part, and a buffer deformation part is arranged between the first connecting part and the second connecting part.

The elastic buffer plate can adopt a spring steel plate and a flexible material plate.

Further preferred technical features include: the inlet pipe includes the straight tube section, and the both ends of straight tube section are equipped with respectively and connect first flange board, second flange board, and the second flange board is connected with the elastic buffer board, and the inlet pipe is coaxial with the material hole of elastic buffer board.

Further preferred technical features include: the aperture of the material hole of the elastic buffer plate is not smaller than the inner diameter of the feeding pipe.

Further preferred technical features include: the discharging pipe comprises an upper feeding hole, a lower discharging hole and an inverted frustum guide section between the upper feeding hole and the lower discharging hole, the upper feeding hole is connected and sealed with the elastic buffer plate, a feeding hole of the elastic buffer plate is coaxial with the lower discharging hole, and the inner diameter of the feeding pipe is not smaller than the diameter of the lower discharging hole.

Further preferred technical features include: the discharging pipe further comprises a discharging section, the discharging section comprises a straight pipe section or an arc-shaped section or a combined section of the straight pipe section and the arc-shaped section, and a third flange plate is arranged at the tail end of the straight pipe section or the arc-shaped section or the combined section of the straight pipe section and the arc-shaped section.

Further preferred technical features include: the elastic buffer plate comprises one or more layers of silica gel plates.

Further preferred technical features include: the upper end of the feeding pipe is communicated with a first discharging pipe, and the first discharging pipe is connected with the material bin; the lower end of the discharge pipe is connected and communicated with a second discharge pipe, the second discharge pipe is connected and communicated with the weighing tank, a control valve is connected between the second discharge pipe and the weighing tank, and the weighing tank is supported on a weighing scale.

The utility model discloses simple structure, installation easy maintenance, when the unloading was weighed, granule or dust material passed through the inlet pipe after, through the material hole of elastic buffer board, got into the discharging pipe of inversion frustum structure, exported through the discharging pipe again. When granule or dust material get into inversion frustum structure (also called funnel type) discharging pipe by the inlet pipe, the potential energy impulsive force of elastic buffer board to the gravity unloading of material and the vibrations that the material storehouse itself produced by the environmental impact realize absorbing, effectively slow down the impact, after the buffering of elastic buffer board, effectively eliminated the material storehouse and subsided the weighing interference of displacement to jar body electronic scale, realized the accuracy and the stability that the material was actually weighed, and then optimized the industrialization fine control who has stabilized whole system.

Drawings

FIG. 1 is a schematic structural view of a buffering compensation device for feeding granular materials.

FIG. 2 is a schematic diagram of the installation and use of the buffering compensation device for feeding the granular materials.

Detailed Description

The following detailed description is provided for the purpose of explaining the claimed embodiments of the present invention so that those skilled in the art can understand the claims. The scope of the invention is not limited to the following specific implementation configurations. It is intended that the scope of the invention be determined by those skilled in the art from the following detailed description, which includes claims that are directed to this invention. In the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 1, the feed pipe 100 comprises a straight pipe section 107 having a first flange plate 101 attached to the upper end thereof and a second flange plate 102 attached to the lower end thereof; the first flange plate 101, the second flange plate 102 and the straight pipe section can be welded, fused or integrally formed. The straight pipe section is a cylinder, and is not limited to a cylinder or a prism.

The tapping pipe 200 includes an inverted frustoconical conducting section 207, which may be, but is not limited to, a truncated cone, a prismatic table. Big at the top and small at the bottom. An upper feed port 203 at the upper end of the frustum guide section is connected with a fourth flange connecting plate 201, a lower feed port 205 at the lower end of the frustum guide section extends downwards to form a discharge section 202, the discharge section 202 can be a straight pipe section or an arc-shaped section or a combination of the straight pipe section and the arc-shaped section, in the embodiment, the straight pipe section is adopted, and a third flange plate 206 is arranged at the tail end (also called as the lower end) of the straight pipe section.

The inlet pipe 100 and the outlet pipe 200 are made of rigid materials, such as cast iron, stainless steel, and engineering plastics.

An elastic buffer plate 300 is connected to a feed inlet 203 at the upper end of the discharge pipe 200 through a fourth flange connecting plate 201; the elastic buffer plate 300 is clamped and connected by bolts by the fourth flange connection plate 201 and the flange ring 204. The elastic buffer plate 300 can be, but is not limited to, an elastic steel plate or a silicone plate. In this embodiment, a silica gel plate is used. One layer of silica gel plate or a plurality of layers of silica gel plates can be arranged according to the flow of the granular materials or the dust materials with different sizes. The multi-layer silica gel plates can be mutually bonded and connected.

The appearance shape of silica gel board and fourth flange joint board 201 shape match, are equipped with first connecting portion, second connecting portion on the silica gel board.

The first connecting portion includes a plurality of connecting holes 301 that match the plurality of connecting holes on the fourth flange connecting plate 201. The second connection portion includes a plurality of connection holes 302 that mate with the plurality of connection holes on the second flange plate 102. The first connection portion is located outside the second connection portion, and the specific plurality of connection holes 301 are located radially outside the plurality of connection holes 302. The silica gel plate on the inner side of the second connecting part is provided with a material hole 303.

The plurality of connecting holes 301 of the first connecting portion on the silicone plate are connected and clamped with the fourth flange connecting plate 201 and the flange ring 204 by bolts.

The plurality of connection holes 302 of the second connection portion on the silicone plate are connected and clamped to the second flange plate 102 and the flange ring 103 by bolts.

The inner diameter of an upper feed port 203 (upper port) of the discharge pipe is larger than that of a lower port of the feed pipe

The aperture of the material hole 303 formed on the silica gel plate is not smaller than the inner diameter of the straight pipe section of the feeding pipe 100, and the inner diameter of the straight pipe section of the feeding pipe 100 is not larger than the diameter of the lower discharge hole 205 at the lower end of the discharge pipe 200 (namely the inner diameter of the discharge section 202).

The straight pipe section of the feeding pipe 100, the material hole 303 and the lower discharge hole 205 at the lower end of the discharging pipe 200 are coaxially arranged.

The first connecting part and the second connecting part of the silica gel plate are provided with a buffer deformation part 304. Namely, after the first connecting portion of the silicone plate is connected and clamped by the fourth flange connecting plate 201 and the flange ring 204, and the second connecting portion is connected and clamped by the second flange plate 102 and the flange ring 103, the silicone plate position between the first connecting portion and the second connecting portion buffers the deformation portion 304.

As shown in fig. 2, a first flange plate 101 of a feeding pipe 100 of the particulate material feeding buffer compensation device 1 is connected with a first blanking pipe 2; the first discharging pipe 2 is connected with the material bin 3, a control valve is connected between the first discharging pipe 2 and the material bin 3, and a pneumatic ball valve 4 is adopted in the embodiment. The lower end of a discharge pipe 200 of the particle material feeding buffer compensation device 1 is connected and communicated with a second discharge pipe 5 through a third flange plate 203, the second discharge pipe 5 is connected and communicated with a weighing tank 6, a control valve 7 is connected between the second discharge pipe 5 and the weighing tank 6, and a pneumatic ball valve is adopted in the embodiment; the weighing tank is supported on a weighing scale 8.

The medium contained in the material bin 3 is particulate matters such as petroleum coke powder or coal powder. During weighing, particulate matters such as petroleum coke powder or coal powder flow out from the outlet at the bottom of the material bin 3, and due to the action of gravity, a medium flows through the first discharging pipe 2, the feeding pipe of the inlet particulate material feeding buffer compensation device 1, and the frustum guide section (expansion section) of the inverted frustum of the silica gel plate and the discharging pipe, the gravity impact potential energy of the medium is slowed down by the expansion section and is absorbed by the elastic buffer plate 300 (silica gel plate) at the same time, and the medium smoothly flows into the weighing tank 6. In addition, in the weighing process, the vibration of the material bin caused by the environmental influence can be absorbed by the elastic buffer plate 300 (a silica gel plate), so that the weighing interference on the tank electronic scale is effectively reduced, the material weighing error is reduced, and the refined industrial demand is met.

Claims

1. A particle material feeding buffer compensation device comprises a feeding pipe and is characterized by also comprising a discharging pipe with an inverted frustum structure, wherein the inner diameter of an upper port of the discharging pipe is larger than that of a lower port of the feeding pipe; the upper port of the discharge pipe is connected with an elastic buffer plate, a material hole is formed in the elastic buffer plate, the lower end part of the feed pipe is connected with the elastic buffer plate, and the material hole of the elastic buffer plate is communicated with a feed pipe pipeline; the elastic buffer plate is respectively provided with a first connecting part and a second connecting part along the radial direction, the first connecting part is connected with the upper end of the discharge pipe, and the second connecting part is connected with the lower end of the feed pipe; the first connecting part is positioned at the outer side of the second connecting part; the material hole of the elastic buffer plate is positioned at the inner side of the second connecting part, and a buffer deformation part is arranged between the first connecting part and the second connecting part.

2. The buffering compensation device for feeding of granular materials as claimed in claim 1, wherein the feeding pipe comprises a straight pipe section, the two ends of the straight pipe section are respectively provided with a first flange plate and a second flange plate, the second flange plate is connected with the elastic buffer plate, and the feeding pipe is coaxial with the material hole of the elastic buffer plate.

3. The apparatus for buffering and compensating feeding of particulate material as set forth in claim 1 or 2, wherein the orifice diameter of the elastic buffering plate is not smaller than the inner diameter of the feeding pipe.

4. The buffering compensation device for feeding of granular materials according to claim 1 or 2, wherein the discharging pipe comprises an upper feeding port, a lower discharging port, an inverted frustum guide section between the upper feeding port and the lower discharging port, the upper feeding port is connected and sealed with an elastic buffering plate, a material hole of the elastic buffering plate is coaxial with the lower discharging port, and the inner diameter of the feeding pipe is not smaller than that of the lower discharging port.

5. The buffering compensation device for feeding of particulate materials as claimed in claim 4, wherein the tapping pipe further comprises a discharging section, the discharging section comprises a straight pipe section or an arc section extending from the lower discharging port, or a combination of the straight pipe section and the arc section, and a third flange plate is provided at the end of the straight pipe section or the arc section, or the combination of the straight pipe section and the arc section.

6. The cushioning compensation apparatus for feeding particulate material of claim 4, wherein said resilient cushioning plate comprises one or more layers of silicone sheet.

7. The buffering and compensating device for the feeding of the granular materials as claimed in any one of claims 1, 2, 5 or 6, wherein the upper end of the feeding pipe is communicated with a first discharging pipe, and the first discharging pipe is connected with the material bin; the lower end of the discharge pipe is connected and communicated with a second discharge pipe, the second discharge pipe is connected and communicated with the weighing tank, a control valve is connected between the second discharge pipe and the weighing tank, and the weighing tank is supported on a weighing scale.