CN214914201U

CN214914201U - High-efficiency gas-solid separation device

Info

Publication number: CN214914201U
Application number: CN202121367848.XU
Authority: CN
Inventors: 刘增广; 王新军; 邹成; 吕名昊; 贺国翘
Original assignee: Shenyang Xinbo Industrial Technology Co ltd
Current assignee: Shenyang Xinbo Industrial Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-30
Anticipated expiration: 2031-06-18

Abstract

A high-efficiency gas-solid separation device comprises a cyclone separation cylinder, a central pipe, an air deflector, a feeding expansion pipe and an air locking valve; the cyclone separating cylinder sequentially comprises a top cover, a volute body, a transition body, a cylinder body and a conical cylinder body from top to bottom; the central tube is welded on the top cover of the cyclone separating cylinder and is coaxially communicated with the cylinder body of the cyclone separating cylinder; the air deflector is welded at the air inlet of the volute body of the cyclone separating cylinder and is distributed along the tangential direction of the cylinder body of the cyclone separating cylinder; the feeding expansion pipe is fixedly connected to the bottom of the conical cylinder body of the cyclone separation cylinder; the air locking valve is fixedly connected to the bottom of the discharging expansion pipe. The high-efficiency gas-solid separation device is used for guiding the dust-containing airflow at the air inlet of the volute body to rotate close to the volute body by arranging the air deflector at the air inlet so as to increase the centrifugal force and further increase the dust collection efficiency; the combination of the blanking expansion pipe and the air locking valve with a brand new structure is added to form a material seal to prevent air return, so that the separation efficiency is improved.

Description

High-efficiency gas-solid separation device

Technical Field

The utility model belongs to the technical field of the gas-solid separation, especially, relate to a high efficiency gas-solid separator.

Background

At present, gas-solid separation mainly comprises four modes, namely filtering separation, inertia separation, gravity settling separation and electrostatic separation, and a traditional cyclone separation cylinder is taken as an example, so that the gas-solid separation mode of inertia separation and gravity settling separation is adopted.

The traditional cyclone separation cylinder mainly utilizes the centrifugal force generated by the rotation motion of the dusty airflow under the inertia force of powder, so that the powder is separated from the airflow, the sedimentation of the dust is realized under the action of gravity, and finally the powder is discharged out of the cyclone separation cylinder through the conical discharge pipe and the flap valve.

Traditional cyclone arranges the air intake at cylinder tangential position, and the downward skew motion of dusty air current that aim at guide entering cyclone increases centrifugal force, however, because the eccentric distance of air intake and cyclone is little, and cyclone's pyramis unloading pipe and flap valve return gas easily moreover to lead to traditional cyclone to have the shortcoming that gas-solid separation efficiency is low, it is big also to make the material circulation multiplying power simultaneously, and then increase system energy consumption, can make equipment wearing and tearing and polluted environment when serious.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a high-efficiency gas-solid separation device, which is used for guiding the dust-containing airflow at the air inlet of a volute body to rotate close to the volute body by arranging an air deflector at the air inlet so as to increase the centrifugal force and further increase the dust collection efficiency; the combination of the blanking expansion pipe and the air locking valve with a brand new structure is added to form a material seal to prevent air return, so that the separation efficiency is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-efficiency gas-solid separation device comprises a cyclone separation cylinder, a central pipe, an air deflector, a feeding expansion pipe and an air locking valve; the cyclone separating cylinder sequentially comprises a top cover, a volute body, a transition body, a cylinder body and a conical cylinder body from top to bottom; the central tube is welded on the top cover of the cyclone separating cylinder and is coaxially communicated with the cylinder body of the cyclone separating cylinder; the air deflector is welded at the air inlet of the volute body of the cyclone separating cylinder and is distributed along the tangential direction of the cylinder body of the cyclone separating cylinder; the feeding expansion pipe is fixedly connected to the bottom of the conical cylinder body of the cyclone separation cylinder; the air locking valve is fixedly connected to the bottom of the discharging expansion pipe.

The air deflector is made of a strip-shaped steel plate, the upper end of the air deflector is welded on the top cover, the lower end of the air deflector is welded on the top end of the cylinder, the width of the air deflector is 5-15% of the width of an air inlet on the volute, and the thickness of the air deflector is 6-20 mm.

The blanking expansion pipe sequentially comprises an upper flange section, an upper conical cylinder section, a lower conical cylinder section and a lower flange section from top to bottom; the feeding expansion pipe is fixedly welded with the conical cylinder body of the cyclone separation cylinder through the upper flange section; the diameter of the cylindrical section of the blanking expansion pipe is 1.5-2 times of the diameter of the small-diameter ends of the upper conical section and the lower conical section; the height of the cylinder section of the blanking expansion pipe is 1.5-2 times of the diameter of the small-diameter ends of the upper conical cylinder section and the lower conical cylinder section; the unloading expansion pipe is used for increasing the storage volume.

The air locking valve is composed of a material chamber and an air chamber from top to bottom in sequence, and the material chamber is connected with the air chamber through a bolt; a partition plate is vertically welded in the material chamber, and the material chamber is divided into a feeding cavity and a discharging cavity by the partition plate; a feed port is vertically arranged above the feed cavity of the material chamber, and the feed port is fixedly welded with the lower flange section of the discharging expansion pipe; a discharge hole is formed in the side of the discharge cavity of the material chamber in an inclined downward manner; an air inlet pipe is vertically arranged below the air chamber and is positioned under the partition plate.

The utility model has the advantages that:

the high-efficiency gas-solid separation device is used for guiding the dust-containing airflow at the air inlet of the volute body to rotate close to the volute body by arranging the air deflector at the air inlet so as to increase the centrifugal force and further increase the dust collection efficiency; the combination of the blanking expansion pipe and the air locking valve with a brand new structure is added to form a material seal to prevent air return, so that the separation efficiency is improved.

Drawings

FIG. 1 is a front view of a high efficiency gas-solid separation device of the present invention;

FIG. 2 is a top view of the high efficiency gas-solid separation device of the present invention;

FIG. 3 is a schematic structural view of the cyclone separation cylinder of the present invention;

FIG. 4 is a schematic structural view of the discharging expansion pipe of the present invention;

FIG. 5 is a schematic structural view of the air-lock valve of the present invention;

in the figure, 1-cyclone separating cylinder, 2-central tube, 3-air deflector, 4-discharging expanding tube, 5-air lock valve, 1.1-top cover, 1.2-volute body, 1.3-transition body, 1.4-cylinder, 1.5-cone body, 4.1-upper flange section, 4.2-upper cone section, 4.3-cylinder section, 4.4-lower cone section, 4.5-lower flange section, 5.1-material chamber, 5.2-air chamber, 5.3-clapboard, 5.4-feeding hole, 5.5-discharging hole, 5.6-air inlet tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, a high-efficiency gas-solid separation device comprises a cyclone separation cylinder 1, a central tube 2, an air deflector 3, a blanking expansion tube 4 and an air lock valve 5; the cyclone separating cylinder 1 sequentially comprises a top cover 1.1, a volute body 1.2, a transition body 1.3, a cylinder body 1.4 and a cone body 1.5 from top to bottom; the central tube 2 is welded on the top cover 1.1 of the cyclone separating cylinder 1, and the central tube 2 is coaxially communicated with a cylinder body 1.4 of the cyclone separating cylinder 1; the air deflector 3 is welded at an air inlet of a volute body 1.2 of the cyclone separating cylinder 1, and the air deflector 3 is arranged along the tangential direction of a cylinder body 1.4 of the cyclone separating cylinder 1; the discharging expansion pipe 4 is fixedly connected to the bottom of a conical cylinder body 1.5 of the cyclone separation cylinder 1; the air locking valve 5 is fixedly connected to the bottom of the discharging expansion pipe 4.

The air deflector 3 is made of a long-strip-shaped steel plate, the upper end of the air deflector 3 is welded on the top cover 1.1, the lower end of the air deflector 3 is welded on the top end of the cylinder body 1.4, the width of the air deflector 3 is 5-15% of the width of an air inlet on the volute body 1.2, and the thickness of the air deflector 3 is 6-20 mm.

The blanking expansion pipe 4 sequentially comprises an upper flange section 4.1, an upper conical cylinder section 4.2, a cylinder section 4.3, a lower conical cylinder section 4.4 and a lower flange section 4.5 from top to bottom; the blanking expansion pipe 4 is fixedly welded with a conical cylinder body 1.5 of the cyclone separation cylinder 1 through an upper flange section 4.1; the diameter of the cylindrical section 4.3 of the blanking expansion pipe 4 is 1.5-2 times that of the small-diameter ends of the upper conical section 4.2 and the lower conical section 4.4; the height of the cylindrical section 4.3 of the blanking expansion pipe 4 is 1.5-2 times of the diameter of the small diameter end of the upper conical section 4.2 and the lower conical section 4.4; the blanking expansion pipe 4 is used for increasing the storage volume.

The air locking valve 5 comprises a material chamber 5.1 and an air chamber 5.2 from top to bottom in sequence, and the material chamber 5.1 is connected with the air chamber 5.2 through bolts; a partition plate 5.3 is vertically welded in the material chamber 5.1, and the material chamber 5.1 is divided into a feeding cavity and a discharging cavity by the partition plate 5.3; a feed inlet 5.4 is vertically arranged above the feed cavity of the material chamber 5.1, and the feed inlet 5.4 is fixedly welded with a lower flange section 4.5 of the blanking expansion pipe 4; a discharge hole 5.5 is obliquely arranged downwards at the side of the discharge cavity of the material chamber 5.1; an air inlet pipe 5.6 is vertically arranged below the air chamber 5.4, and the air inlet pipe 5.6 is positioned under the partition plate 5.3.

The following describes a working process of the present invention with reference to the accompanying drawings:

the method comprises the steps that dust-containing airflow firstly enters the interior of a cyclone separation cylinder 1 through an air inlet of a volute 1.2 provided with an air deflector 3, the dust-containing airflow rotates downwards along the interior of the volute 1.2 and sequentially passes through a transition body 1.3, a cylinder body 1.4 and a cone body 1.5, gas in the dust-containing airflow is directly discharged out of the cyclone separation cylinder 1 through a central pipe 2, dust in the dust-containing airflow is settled and falls into a lower blanking expansion pipe 4 under the action of gravity, then the dust further falls into a feeding cavity of a material chamber 5.1 of a gas locking valve 5 through a feeding hole 5.4 to realize accumulation, then a gas medium with the pressure not more than 0.3Mpa is introduced into the gas chamber 5.2 of the gas locking valve 5 through a gas inlet pipe 5.6, the dust accumulated at the bottom of the feeding cavity of the material chamber 5.1 of the gas locking valve 5 is blown up, the dust is further blown into a discharging cavity of the material chamber 5.1 of the gas locking valve 5, and finally the dust is discharged out of the gas locking valve 5 through a discharging hole 5.5.

Because the aviation baffle 3 is laid along the cylinder 1.4 tangential direction of cyclone 1, make the area of volute 1.2 air intake further reduce to increase the velocity of flow of air intake, promoted the dusty air current and carried out centrifugal motion along cylinder 1.4 tangential direction, increased centrifugal force, thereby improved gas-solid separation efficiency.

Because the inside position negative pressure system of cyclone 1, through the combination of unloading expansion pipe 4 and 5 material rooms 5.1 of airlock, make the dust pile up and form the material in the feeding chamber of material room 5.1 and seal, thereby the separation air current in external world and cyclone 1 flows, prevent the remixing of dust and air current, later let in pressure through intake pipe 5.6 in 5.2 to airlock 5 air chambers 5.2 and be not more than 0.3Mpa gas medium, can form the malleation system in air chamber 5.2, thereby discharge accumulational dust smoothly, through calculating, the utility model discloses can promote gas-solid separation efficiency to more than 92%.

The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high efficiency gas-solid separation device, characterized in that: comprises a cyclone separating cylinder, a central pipe, an air deflector, a feeding expansion pipe and an air locking valve; the cyclone separating cylinder sequentially comprises a top cover, a volute body, a transition body, a cylinder body and a conical cylinder body from top to bottom; the central tube is welded on the top cover of the cyclone separating cylinder and is coaxially communicated with the cylinder body of the cyclone separating cylinder; the air deflector is welded at the air inlet of the volute body of the cyclone separating cylinder and is distributed along the tangential direction of the cylinder body of the cyclone separating cylinder; the feeding expansion pipe is fixedly connected to the bottom of the conical cylinder body of the cyclone separation cylinder; the air locking valve is fixedly connected to the bottom of the discharging expansion pipe.

2. A high efficiency gas-solid separation device according to claim 1, wherein: the air deflector is made of a strip-shaped steel plate, the upper end of the air deflector is welded on the top cover, the lower end of the air deflector is welded on the top end of the cylinder, the width of the air deflector is 5-15% of the width of an air inlet on the volute, and the thickness of the air deflector is 6-20 mm.

3. A high efficiency gas-solid separation device according to claim 1, wherein: the blanking expansion pipe sequentially comprises an upper flange section, an upper conical cylinder section, a lower conical cylinder section and a lower flange section from top to bottom; the feeding expansion pipe is fixedly welded with the conical cylinder body of the cyclone separation cylinder through the upper flange section; the diameter of the cylindrical section of the blanking expansion pipe is 1.5-2 times of the diameter of the small-diameter ends of the upper conical section and the lower conical section; the height of the cylinder section of the blanking expansion pipe is 1.5-2 times of the diameter of the small-diameter ends of the upper conical cylinder section and the lower conical cylinder section; the unloading expansion pipe is used for increasing the storage volume.

4. A high efficiency gas-solid separation device according to claim 3, characterized in that: the air locking valve is composed of a material chamber and an air chamber from top to bottom in sequence, and the material chamber is connected with the air chamber through a bolt; a partition plate is vertically welded in the material chamber, and the material chamber is divided into a feeding cavity and a discharging cavity by the partition plate; a feed port is vertically arranged above the feed cavity of the material chamber, and the feed port is fixedly welded with the lower flange section of the discharging expansion pipe; a discharge hole is formed in the side of the discharge cavity of the material chamber in an inclined downward manner; an air inlet pipe is vertically arranged below the air chamber and is positioned under the partition plate.