CN-224226179-U - Solid particle airtight feeding device

Abstract

The utility model provides a solid particle airtight feeding device which comprises an airtight feeding bin body, a vacuum dust removing system, an air injection system and a discharge guide pipe, wherein an airtight feeding bin is arranged in the airtight feeding bin body, the vacuum dust removing system is connected with the top of the airtight feeding bin body, the discharge guide pipe is connected with the bottom of the airtight feeding bin body, and the air injection system is connected with the middle of the discharge guide pipe.

Inventors

• DONG ZHEN
• Lv Shaomao
• PI QINGLI

Assignees

• 中国石油天然气集团有限公司
• 中国昆仑工程有限公司

Dates

Publication Date

20260512

Application Date

20250428

Claims (10)

1. 1. The solid particle airtight feeding device is characterized by comprising an airtight feeding bin body, a vacuum dust removing system, an air injection system and a discharging guide pipe, wherein the airtight feeding bin is arranged in the airtight feeding bin body, the vacuum dust removing system is connected with the top of the airtight feeding bin body, the discharging guide pipe is connected with the bottom of the airtight feeding bin body, and the air injection system is connected with the middle of the discharging guide pipe.
2. 2. The solid particle airtight feeding device according to claim 1, wherein the airtight feeding bin body is of a lower cone side top flat structure.
3. 3. The solid particle closed feeding device according to claim 1, wherein the two sides of the side face of the closed feeding bin body are provided with feeding holes.
4. 4. The solid particle airtight feeding device according to claim 3, wherein the feeding hole is a square feeding hole, a rigid telescopic door and a lining rubber elastic guide tube are installed at the feeding hole, the bottom of the rigid telescopic door is hinged to the airtight feeding bin body, a rebound facility is arranged at the bottom of the rigid telescopic door, and a packaging bag locking facility is installed at the top of the rigid telescopic door.
5. 5. The solid particle airtight feeding device according to claim 1, wherein the vacuum dust removing system comprises a dust remover and a dust removing fan, the dust remover is connected with the top of the airtight feeding bin body, and the dust removing fan is connected with the dust remover through a pipeline.
6. 6. The solid particle airtight feeding device according to claim 1, wherein the gas injection system comprises a control valve and a gas source, the gas source is connected with the control valve through a pipeline, and the control valve is connected with the middle part of the discharge guide pipe through a pipeline.
7. 7. The solid particle airtight feeding device according to claim 6, wherein the gas source is nitrogen, a nitrogen injection port is formed in the middle of the discharging guide pipe, and the control valve is connected with the nitrogen injection port through a pipeline.
8. 8. The solid particulate containment feed apparatus of claim 7 wherein the nitrogen inlet is tangentially directed into the discharge guide tube.
9. 9. The solid particle closed feeding device according to claim 6, wherein two ends of the control valve are connected with a differential pressure gauge through a pipeline, and a flowmeter is arranged on the pipeline between the control valve and the discharging guide pipe.
10. 10. The solid particle closed charging device according to claim 1, wherein the discharging guide tube is an hourglass type cylinder.

Description

Solid particle airtight feeding device Technical Field The utility model relates to the technical field of solid particle feeding, in particular to a solid particle closed feeding device. Background In the field of solid particle feeding, a simple open feeding mode is adopted, and powder overflow is often accompanied when solid particles are fed. The generated dust not only pollutes the environment, but also can endanger the health of feeding workers, and the organic dust easily forms combustible dust cloud with air in a closed workshop, so that potential safety hazards exist. In the prior art, a plurality of airtight feeding devices exist, for example, patent CN209920328U discloses a powder feeding device, the device comprises a frame, a weighing unit and a conveying unit, wherein the weighing unit and the conveying unit are arranged on the frame, the weighing unit comprises a weighing unit shell, an electronic platform balance and a weighing frame, the electronic platform balance is arranged in the weighing unit shell, the weighing frame is arranged on the electronic platform balance, a feeding port is arranged in the middle of the top of the weighing unit shell, a guide pipe is arranged at the lower end of the feeding port, a bearing platform of the electronic platform balance is fixed on the inner bottom surface of the weighing unit shell, a reading display screen of the electronic platform balance is arranged on the front outer wall of the weighing unit shell, the weighing frame comprises a weighing frame bottom surface, a front fixed wall surface, a rear fixed wall surface, a left movable wall surface and a right movable wall surface, a right fixed wall surface, a left movable wall surface and a right movable wall surface are fixedly connected with the weighing frame bottom surface, a cleaning brush strip is arranged at the contact position between the two fixed wall surfaces of the front fixed wall surfaces and the weighing frame bottom surface and the weighing frame, a piston rod of the first cylinder penetrates through the left movable wall surface of the weighing unit shell and the left side of the weighing unit shell, a piston rod of the first cylinder penetrates through the left movable wall surface and the left movable wall surface is fixedly connected with the left movable wall surface of the weighing unit shell, the top wall is arranged on the top wall of the top wall is fixedly connected with the top wall of the weighing unit through the top wall of the cylinder through the front fixed wall surface and the cylinder wall and the sealing strip is arranged on the top wall. The transmission unit comprises a transmission pipeline and striking devices arranged on two sides of the transmission pipeline, the top end of the transmission pipeline is communicated with the right end of the weighing unit shell through an elastic hose, the striking devices comprise striking hammers and striking motors for driving the striking hammers, the striking motors and the transmission pipeline are fixed on a frame through supporting rods, and a discharge hole is formed in the bottom end of the transmission pipeline. The patent aims at powder materials, and the powder materials need to be interrupted in feeding and cannot be fed in working. The patent CN211913447U discloses a high-efficiency gas-phase powder feeding device, which comprises a machine body, the left end of the machine body is provided with a feeding pipe, the top end of the machine body is provided with a mounting frame, the top end of the mounting frame is provided with a motor, the output end of the motor is connected with a stirring shaft, the bottom end of the stirring shaft extends into the machine body and is rotationally connected to the bottom end inside the machine body, a plurality of stirring sheets which are uniformly distributed are arranged on the periphery of the stirring shaft, the stirring sheets are positioned inside the machine body, the bottom end of the machine body is connected with a discharging pipe, the feeding pipe and the discharging pipe are respectively provided with a valve, and the right side of the machine body is provided with a storage tank. The patent aims at feeding powder in a mode of feeding from bottom to top by negative pressure suction and pushing. When the solid particle feeding device is used for feeding, the work is required to be interrupted, the feeding cannot be performed in the work, and the method of negative pressure suction and pushing is not suitable for feeding the solid particles. Patent CN208468977U discloses a special powder feeding device of high strength modified PP, and the device includes conical storage tank, the feed inlet has all been seted up to the both sides face of conical storage tank, and the connecting hole has been seted up to the bottom of conical storage tank, and the top fixedly connected with safety cover of conical storage tank inner chamber, and the bottom fixed mounting of t