Anti-dust device for oil field cement ash silo

By designing dust control and dust collection mechanisms in the cement ash silo of the oilfield, and using winches and cyclone separators to control the discharge hopper to approach the transportation device and collect dust, the environmental pollution problem caused by dust diffusion in the cement ash silo was solved, and a highly efficient dust collection effect was achieved.

CN224014928UActive Publication Date: 2026-03-20DONGYING DAMING PETROLEUM ENG TECH DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Cement dust in oilfield cement ash silos spreads severely during the discharge process, causing environmental pollution and making collection difficult.

Method used

A dustproof device including a dustproof auxiliary mechanism and a dust collection mechanism was designed. The device uses a winch to control the unfolding of the cloth bag so that the discharge hopper is close to the conveying device, and the solid-gas separation and collection of dust are achieved through a blower and a cyclone separator.

Benefits of technology

It effectively reduced dust dispersion, achieved efficient dust collection, and controlled environmental pollution.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224014928U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of dust prevention of an oil field cement ash silo, particularly relates to a dust prevention device of the oil field cement ash silo, and aims to solve the problem that the surrounding environment is polluted due to the fact that dust is diffused and is not easy to collect in the background technology, the dust prevention device of the oil field cement ash silo comprises a top plate, and a material storage barrel is installed on the outer wall of the top of the top plate. A dustproof auxiliary mechanism is arranged at the bottom of the storage barrel, and a dust suction mechanism is arranged on the outer wall of the dustproof auxiliary mechanism. In the dustproof auxiliary mechanism, the rope is driven by the winch to be lowered, so that the cloth bag can be controlled to be unfolded to enable the discharging hopper to move downwards, the dustproof auxiliary mechanism can adapt to transportation devices with different heights, the discharging hopper can be close to the transportation devices as much as possible, dust diffusion in the material pouring process is reduced, and a certain dustproof effect is achieved; and in the dust collection mechanism, solid-gas separation is achieved, dust can fall into a dust discharge pipe under the influence of gravity, the dust is effectively collected, and therefore environmental pollution is controlled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield cement ash storehouse dust prevention technical field especially relates to a kind of oilfield cement ash storehouse dust prevention device. BACKGROUND

[0002] Cement ash storehouse is usually composed of warehouse main body, mixing equipment, conveying equipment, metering equipment etc..Among them, warehouse main body needs to have higher strength and stability, can bear the weight and pressure of cement ash, simultaneously still needs to have good sealing performance, to prevent dust leakage.Mixing equipment is used to fully stir cement ash, to avoid solidification or caking.Conveying equipment is to transport cement ash from production line to warehouse, simultaneously still needs to transport cement ash from warehouse to use site.And metering equipment is used to measure the quantity and quality of cement ash.

[0003] Cement in oilfield cement ash storehouse is usually stored in corresponding tank, when using cement, tank is opened, but in the process of discharging, dust concentration in cement is large, when cement is poured on conveying equipment, dust spreads and is not easy to collect, leading to surrounding environment pollution. UTILITARIAN CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a kind of oilfield cement ash storehouse dust prevention device, overcome the deficiency of prior art, effectively solve the problem that dust spreads and is not easy to collect, leading to surrounding environment pollution.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of oilfield cement ash storehouse dust prevention device, including roof, the outer wall of the top of roof is equipped with storage cylinder, and the bottom of storage cylinder is provided with dust auxiliary mechanism, dust auxiliary mechanism is provided with dust collection mechanism on the outer wall thereof;

[0007] The dust auxiliary mechanism includes cloth bag fixedly connected to the outer wall of the bottom of storage cylinder, discharge hopper fixedly connected to the outer wall of the bottom of cloth bag, positioning ring arranged on the outer wall of cloth bag at equidistance, positioning ring welded on the outer wall of both sides of positioning ring, winch fixedly connected to the outer wall of the top of roof by screw, rope wound on the roller at both ends of winch, and the rope is arranged in the inner ring of positioning ring.

[0008] Preferably, the dust collection mechanism includes dust hood mounted on the outer wall of the discharge hopper, dust suction pipe fixedly connected to one side of the outer wall of the dust hood, cyclone separator fixedly connected to one end of the outer wall of the dust suction pipe, air outlet pipe fixedly connected to the top of the outer wall of the cyclone separator, air blower mounted on one end of the outer wall of the air outlet pipe, and dust exhaust pipe arranged on the bottom of the outer wall of the cyclone separator.

[0009] Preferably, one end of the rope is fixedly connected to the inner wall of the bottommost positioning ring.

[0010] Preferably, an outlet pipe is welded to the bottom outer wall of the outlet hopper, and an electric control valve is mounted to the outer wall of the outlet pipe.

[0011] Preferably, a guide frame is mounted to the top outer wall of the top plate, and an array of guide wheels is mounted to the top outer wall of the guide frame, and the rope is slidably connected to the outer wall of the guide wheels.

[0012] Preferably, a support frame is welded to the outer wall of the cyclone separator, and the support frame is welded to the outer wall of one side of the storage cylinder.

[0013] Preferably, a manhole is provided on one side of the storage cylinder, a feeding pipe is mounted to the outer wall of one side of the storage cylinder, and a liquid level meter is mounted to the top outer wall of the storage cylinder.

[0014] The oilfield cement ash storage dustproof device has the advantages that:

[0015] 1. The oilfield cement ash storage dustproof device can control the unfolding of the cloth bag to make the outlet hopper move downward by driving the rope downward by the winch, can adapt to different height transport devices, and can make the outlet hopper as close as possible to the transport device, thereby reducing the diffusion of dust in the pouring process and having a certain dustproof effect.

[0016] 2. The oilfield cement ash storage dustproof device can realize solid-gas separation under the action of the cyclone separator, and effectively collect dust, thereby controlling environmental pollution. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The oilfield cement ash storage dustproof device has the advantages that: Figure One ;

[0018] Figure 2 The oilfield cement ash storage dustproof device has the advantages that: Figure Two ;

[0019] Figure 3 The oilfield cement ash storage dustproof device has the advantages that:

[0020] Figure 4 The oilfield cement ash storage dustproof device has the advantages that:

[0021] In the figure: 1, top plate; 2, storage cylinder; 3, dust prevention auxiliary mechanism; 31, cloth bag; 32, discharge hopper; 33, positioning ring; 34, positioning ring; 35, rope; 36, winch; 4, dust collection mechanism; 41, dust collection cover; 42, dust collection pipe; 43, cyclone separator; 44, air outlet pipe; 45, air blower; 46, dust exhaust pipe; 5, discharge pipe; 6, electric control valve; 7, guide frame; 8, guide wheel; 9, support frame; 10, manhole; 11, feeding pipe; 12, liquid level meter. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Embodiment one, refer to Figures 1-3 A dust prevention device for oilfield cement ash storage, comprising a top plate 1, a storage cylinder 2 is installed on the outer wall of the top of the top plate 1, and a dust prevention auxiliary mechanism 3 is arranged at the bottom of the storage cylinder 2, and a dust collection mechanism 4 is arranged on the outer wall of the dust prevention auxiliary mechanism 3.

[0024] The dust prevention auxiliary mechanism 3 comprises a cloth bag 31 fixedly connected to the outer wall of the bottom of the storage cylinder 2, a discharge hopper 32 fixedly connected to the outer wall of the bottom of the cloth bag 31, positioning rings 33 arranged at equal distances on the outer wall of the cloth bag 31, positioning rings 34 welded on the outer walls on both sides of the positioning rings 33, a winch 36 fixedly connected to the outer wall of the top of the top plate 1 by screws, and a rope 35 wound around the rollers at both ends of the winch 36, and the rope 35 is arranged in the inner ring of the positioning ring 34.

[0025] In the dust prevention auxiliary mechanism 3 in this embodiment, the cloth bag 31 is unfolded by the winch 36 driving the rope 35 to lower, so that the discharge hopper 32 moves downward, which can adapt to different height transport devices, so that the discharge hopper 32 can be as close as possible to the transport device, thereby reducing the diffusion of dust in the pouring process, and having a certain dust prevention effect.

[0026] Embodiment two, refer to Figure 4 A dust prevention device for oilfield cement ash storage, the dust collection mechanism 4 comprises a dust collection cover 41 installed on the outer wall of the discharge hopper 32, a dust collection pipe 42 fixedly connected to one side of the outer wall of the dust collection cover 41, a cyclone separator 43 fixedly connected to one end of the outer wall of the dust collection pipe 42, an air outlet pipe 44 fixedly connected to the outer wall of the top of the cyclone separator 43, an air blower 45 installed on one end of the outer wall of the air outlet pipe 44, and a dust exhaust pipe 46 arranged on the outer wall of the bottom of the cyclone separator 43.

[0027] In the dust suction mechanism 4, the dust generated during the discharging process of the discharging pipe 5 can be sucked into the dust suction cover 41 through the working of the air blower 45, and the solid-gas separation is realized under the action of the cyclone separator 43, the dust falls into the dust discharge pipe 46 under the influence of gravity, and the dust is effectively collected, so as to control the environmental pollution.

[0028] With reference to Figure 3 , one end of the rope 35 is fixedly connected to the inner wall of the bottommost positioning ring 34.

[0029] With reference to Figure 3 , the bottom of the discharging hopper 32 is welded with the discharging pipe 5, and the outer wall of the discharging pipe 5 is provided with the electric control valve 6.

[0030] With reference to Figure 3 , the top plate 1 is provided with the guide frame 7 on the outer wall of the top, and the guide frame 7 is provided with the arrayed guide wheels 8 on the outer wall of the top, and the rope 35 is slidably connected to the outer wall of the guide wheels 8.

[0031] With reference to Figure 1 , the outer wall of the cyclone separator 43 is welded with the support frame 9, and the support frame 9 is welded to the outer wall of one side of the storage cylinder 2.

[0032] With reference to Figures 1-2 , the outer wall of one side of the storage cylinder 2 is provided with the manhole 10, the outer wall of one side of the storage cylinder 2 is provided with the feeding pipe 11, and the outer wall of the top of the storage cylinder 2 is provided with the liquid level meter 12.

[0033] Working principle: the conveying device can be moved below the discharging hopper 32, and then according to the position of the conveying device, the rope 35 is driven by the winch 36 to control the expansion of the cloth bag 31, so that the discharging hopper 32 moves downward, at this time, the discharging hopper 32 can be as close to the conveying device as possible, then the electric control valve 6 is opened, the cement is poured from the discharging pipe 5 to the conveying device, in this process, the air blower 45 works, the dust is sucked into the dust suction cover 41, and in the cyclone separator 43, the dust falls into the dust discharge pipe 46 under the influence of gravity, and the air is discharged through the air outlet pipe 44.

[0034] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A dust control device for an oilfield cement ash silo, comprising a top plate (1), characterized in that, The top plate (1) is equipped with a storage cylinder (2) on its top outer wall, and a dustproof auxiliary mechanism (3) is provided at the bottom of the storage cylinder (2). A dust suction mechanism (4) is provided on the outer wall of the dustproof auxiliary mechanism (3). The dustproof auxiliary mechanism (3) includes a cloth bag (31) fixedly connected to the bottom outer wall of the storage cylinder (2), a discharge hopper (32) fixedly connected to the bottom outer wall of the cloth bag (31), positioning rings (33) set on the outer wall of the cloth bag (31) at equal intervals, positioning rings (34) welded to the outer walls on both sides of the positioning rings (33), a winch (36) fixedly connected to the top outer wall of the top plate (1) by screws, and ropes (35) wound on the rollers at both ends of the winch (36), with the ropes (35) running through the inner circle of the positioning rings (34).

2. The dust control device for an oilfield cement ash silo according to claim 1, characterized in that, The dust collection mechanism (4) includes a dust collection hood (41) installed on the outer wall of the discharge hopper (32), a dust collection pipe (42) fixedly connected to one side of the outer wall of the dust collection hood (41), a cyclone separator (43) fixedly connected to one end of the outer wall of the dust collection pipe (42), an air outlet pipe (44) fixedly connected to the top outer wall of the cyclone separator (43), a blower (45) installed on one end of the outer wall of the air outlet pipe (44), and a dust discharge pipe (46) set on the bottom outer wall of the cyclone separator (43).

3. The dust control device for an oilfield cement ash silo according to claim 1, characterized in that, One end of the rope (35) is fixedly connected to the inner wall of the bottom positioning ring (34).

4. The dust control device for an oilfield cement ash silo according to claim 1, characterized in that, The bottom outer wall of the discharge hopper (32) is welded with a discharge pipe (5), and an electric control valve (6) is installed on the outer wall of the discharge pipe (5).

5. The dust control device for an oilfield cement ash silo according to claim 1, characterized in that, The top plate (1) is equipped with a guide frame (7) on its top outer wall, and an array of guide wheels (8) are installed on the top outer wall of the guide frame (7). The rope (35) is slidably connected to the outer wall of the guide wheel (8).

6. The dust control device for an oilfield cement ash silo according to claim 2, characterized in that, A support frame (9) is welded to the outer wall of the cyclone separator (43), and the support frame (9) is welded to the outer wall of one side of the storage cylinder (2).

7. The dust control device for an oilfield cement ash silo according to claim 1, characterized in that, A manhole (10) is provided on one side of the outer wall of the storage cylinder (2), and a feed pipe (11) is installed on one side of the outer wall of the storage cylinder (2). A level gauge (12) is installed on the top outer wall of the storage cylinder (2).