High-stability shale gas desanding device with gravel storage mechanism

Patent metadata

Field	Value
Publication number	US-11857902-B2
Application number	US-202217868581-A
Country	US
Kind code	B2
Filing date	Jul 19, 2022
Priority date	Jul 22, 2021
Publication date	Jan 2, 2024
Grant date	Jan 2, 2024

Abstract

The present invention discloses a high-stability shale gas desanding device with a gravel storage mechanism, comprising a shale gas desanding assembly, a driving assembly, a flow stirring assembly and a flow guide assembly, wherein the shale gas desanding assembly comprises an outer side gas-solid separation tank, an inner side gas-solid separation tank is sleeved inside the outer side gas-solid separation tank, the inner side gas-solid separation tank is communicated with a shale gas mixture ingress pipe of the flow guide assembly, a top of the shale gas desanding assembly is communicated with an interior of the outer side gas-solid separation tank through a first pressure balance pipe, the outer side gas-solid separation tank is communicated with the shale gas mixture ingress pipe through a second pressure balance pipe, a pressure regulation and control assembly is arranged on the second pressure balance pipe.

First claim

The invention claimed is:

1. A high-stability shale gas desanding device with a gravel storage mechanism, comprising a shale gas desanding assembly, a driving assembly, a flow stirring assembly and a flow guide assembly, wherein the shale gas desanding assembly comprises an outer side gas-solid separation tank, an inner side gas-solid separation tank is sleeved inside the outer side gas-solid separation tank, the inner side gas-solid separation tank is communicated with a shale gas mixture ingress pipe of the flow guide assembly, a top portion of the shale gas desanding assembly is communicated with an interior of the outer side gas-solid separation tank through a first pressure balance pipe, the outer side gas-solid separation tank is communicated with the shale gas mixture ingress pipe through a second pressure balance pipe, a pressure regulation and control assembly is arranged on the second pressure balance pipe, the flow stirring assembly is further arranged inside the inner side gas-solid separation tank, and an input end of the flow stirring assembly is connected with an output end of the driving assembly; and
the inner side gas-solid separation tank and the outer side gas-solid separation tank are fixedly connected through a bridge-type connecting frame, and top portions of the outer side gas-solid separation tank and the inner side gas-solid separation tank are fixedly and hermetically connected with a same tank cover, an exhaust channel is clamped in the tank cover, a side end surface of the exhaust channel is clamped with the first pressure balance pipe, a second end of the first pressure balance pipe is clamped on a side end surface of the outer side gas-solid separation tank, and the first pressure balance pipe is further provided with a one-way valve;
wherein the driving assembly comprises a first support mesh panel, an arc surface of the first support mesh panel is fixedly connected with an inner side wall of the inner side gas-solid separation tank, a top portion of the first support mesh panel is clamped with a first bearing, a first adapter cylinder is sleeved in the first bearing, a first threaded cylinder is sleeved in the first adapter cylinder, a first threaded rod is threadedly connected on an internal thread surface of the first threaded cylinder, and a bottom portion of the first threaded rod is fixedly connected to a top portion of the first support mesh panel;
the flow stirring assembly comprises a connecting sleeve, the connecting sleeve is sleeved and fixed on a surface of the first threaded cylinder, an upper layer wheel disc and a lower layer wheel disc are sequentially fixed and connected on a circumferential surface of the connecting sleeve from top to bottom, and an arc connecting seat is slidably connected between the upper layer wheel disc and the lower layer wheel disc; and
a bottom portion of the arc connecting seat is provided with a second slidably connecting groove, a second slidably connecting seat is slidably connected in the second slidably connecting groove, an end surface inside the second slidably connecting groove is further fixedly connected with a side surface of the second slidably connecting seat through a first supporting spring, and a bottom portion of the second slidably connecting seat is fixedly connected to a top portion of the lower layer wheel disc.

2. The high-stability shale gas desanding device with the gravel storage mechanism according to claim 1 , wherein an outer surface of the first threaded cylinder is fixedly connected with a first slidably connecting seat, the first slidably connecting seat is slidably connected in a first slidably connecting groove formed on an inner circular surface of the first adapter cylinder, a surface of the first adapter cylinder is fixedly connected with a first driven bevel gear, and a surface of the first driven bevel gear is meshed with a first driving bevel gear; the first driving bevel gear is fixedly connected to a surface of a second adapter cylinder, the surface of the second adapter cylinder is further sleeved with a second bearing, the second bearing is clamped on wall bodies of the outer side gas-solid separation tank and the inner side gas-solid separation tank respectively, an end portion of the second adapter cylinder is fixedly connected with an output end of an electric motor, and a side end surface of a body of the electric motor is fixedly connected with the side end surface of the outer side gas-solid separation tank through a shock absorbing seat.

3. The high-stability shale gas desanding device with the gravel storage mechanism according to claim 1 , wherein a top portion of the arc connecting seat is provided with a retracting groove, a bottom portion inside the retracting groove is connected with a movable flow stirring plate through a second supporting spring, a bottom portion of the upper layer wheel disc is further provided with an implanting groove matched with the movable flow stirring plate, one surfaces of the upper layer wheel disc and the lower layer wheel disc far away from each other are both fixedly connected with a fixed flow stirring plate, the fixed flow stirring plates and the movable flow stirring plates are staggered, and corners of the movable flow stirring plates are designed to be circular arcs.

4. The high-stability shale gas desanding device with the gravel storage mechanism according to claim 1 , wherein the flow guide assembly comprises the shale gas mixture ingress pipe, the shale gas mixture ingress pipe is provided with a first spherical valve, the shale gas mixture ingress pipe sequentially passes through wall bodies of the outer side gas-solid separation tank and the inner side gas-solid separation tank and extends inside the inner side gas-solid separation tank, and an upper portion of the first spherical valve is provided with a control knob.

5. The high-stability shale gas desanding device with the gravel storage mechanism according to claim 1 , wherein the pressure regulation and control assembly comprises a connecting pipe, the connecting pipe is sleeved on the second pressure balance pipe, an inner side wall of the second pressure balance pipe is fixedly connected with a conical body, the conical body is connected with a second spherical valve in an embedded mode, a spherical surface of the second spherical valve is fixedly connected with a guide rod, a surface of the guide rod is sleeved with a second threaded cylinder, and an outer circumferential surface of the second threaded cylinder is fixedly connected with an inner pipe wall of the connecting pipe through a fixing rib.

6. The high-stability shale gas desanding device with the gravel storage mechanism according to claim 5 , wherein one side inside the second threaded cylinder is threadedly matched with one side of a second threaded rod, an end portion of the second threaded rod is fixedly connected with one end of the guide rod through a third supporting spring, a surface on the other side of the second threaded rod is sleeved with a third adapter cylinder slidably matched with the second threaded rod, an inner side wall of the third adapter cylinder is provided with a third slidably connecting groove, a third slidably connecting seat is slidably connected in the third slidably connecting groove, the third slidably connecting seat is fixedly connected with the second threaded rod, a surface of the third adapter cylinder is sleeved with a third bearing, the third bearing is clamped on a second support mesh panel, an outer cambered surface of the second support mesh panel is fixedly connected with the inner pipe wall of the connecting pipe, a surface of the third adapter cylinder is fixedly connected with a second driven bevel gear, a surface of the second driven bevel gear is meshed with a second driving bevel gea

Assignees

• Univ Tianjin

Inventors

• He Li
• Yan Pengdong
• Chen Yizhong

Classifications

• B01D45/16 Primary

  generated by the winding course of the gas stream {, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes} · CPC title

• B01D45/14

  generated by rotating vanes, discs, drums or brushes · CPC title

• B04C5/103 Primary

  Bodies or members, e.g. bulkheads, guides, in the vortex chamber (cores B04C5/107) · CPC title

• B04C9/00

  Combinations with other devices, e.g. fans, {expansion chambers, diffusors, water locks}(with filters B01D50/00) · CPC title

• B04C2009/007

  with internal rotors, e.g. impeller, ventilator, fan, blower, pump · CPC title