Mixing system and mixing method

Patent metadata

Field	Value
Publication number	US-12528059-B2
Application number	US-202217698892-A
Country	US
Kind code	B2
Filing date	Mar 18, 2022
Priority date	Sep 15, 2021
Publication date	Jan 20, 2026
Grant date	Jan 20, 2026

Abstract

A mixing system and a mixing method are provided. The mixing system includes a main pump and at least one mixing apparatus. Each mixing apparatus includes a main pipeline, a premixing device and a shearing-mixing device. The main pipeline has a liquid inlet end communicated with the main pump and is configured to convey main liquid, and the main pipeline includes a first liquid outlet end and a second liquid outlet end. The premixing device has an input end communicated with the first liquid outlet end and is configured to premix the main liquid with powder to obtain premixed liquid. The shearing-mixing device is communicated with an output end of the premixing device to obtain the premixed liquid, and is provided with a first shearing-mixing liquid inlet communicated with the second liquid outlet end to obtain the main liquid, so that mixed liquid is obtained.

First claim

What is claimed is:

1 . A mixing system, comprising a main pump and a mixing apparatus, the mixing apparatus comprising a main pipeline, a premixing device and a shearing-mixing device, wherein
the main pipeline has a liquid inlet end communicated with the main pump and is configured to convey main liquid, and the main pipeline comprises a first liquid outlet end and a second liquid outlet end; the premixing device has an input end communicated with the first liquid outlet end of the main pipeline and is configured to premix the main liquid as obtained with powder as obtained to obtain premixed liquid; the shearing-mixing device is communicated with an output end of the premixing device to obtain the premixed liquid, and the shearing-mixing device is provided with a first shearing-mixing liquid inlet communicated with the second liquid outlet end of the main pipeline to obtain the main liquid, so that mixed liquid is obtained by a shearing-mixing process; the mixing apparatus further comprises a control system, and the main pipeline is provided with a first pressure sensor configured to monitor a pressure of the main pipeline; and the control system is signally connected to the first pressure sensor and is configured to obtain a pressure signal of the first pressure sensor.

2 . The mixing system according to claim 1 , wherein
the shearing-mixing device further comprises an impeller shearing assembly, and the impeller shearing assembly comprises a rotating shaft and at least one shearing impeller driven by the rotating shaft.

3 . The mixing system according to claim 2 , wherein
a liquid outlet direction of the second liquid outlet end is located on a plane perpendicular to an axial direction of the rotating shaft.

4 . The mixing system according to claim 3 , wherein
the shearing-mixing device comprises a second shearing-mixing liquid inlet configured to obtain the premixed liquid, and a liquid inlet direction of the second shearing-mixing liquid inlet is parallel to the axial direction of the rotating shaft; and a liquid inlet direction of the first shearing-mixing liquid inlet is located on the plane perpendicular to the axial direction of the rotating shaft.

5 . The mixing system according to claim 4 , wherein
one or more first shearing-mixing liquid inlets are provided.

6 . The mixing system according to claim 2 , wherein
a liquid outlet direction of the second liquid outlet end is parallel to an axial direction of the rotating shaft.

7 . The mixing system according to claim 6 , wherein
the first shearing-mixing liquid inlet is communicated with an output end of the premixing device, and a liquid inlet direction of the first shearing-mixing liquid inlet is parallel to the axial direction of the rotating shaft.

8 . The mixing system according to claim 2 , wherein
the at least one shearing impeller comprises a first shearing impeller and a second shearing impeller, and the first shearing impeller and the second shearing impeller are arranged coaxially with the rotating shaft, respectively.

9 . The mixing system according to claim 8 , wherein
a periphery of the first shearing impeller is provided with a first stator, and the first stator is provided with an opening; and/or, a periphery of the second shearing impeller is provided with a second stator, and the second stator is provided with an opening.

10 . The mixing system according to claim 1 , wherein
the shearing-mixing device further comprises an impeller shearing assembly of conveying type, which has an output pressure greater than 0.04 Mpa.

11 . The mixing system according to claim 1 , wherein
the main pipeline is provided with a first flowmeter, and the control system is further signally connected to the first flowmeter and is configured to obtain a flow signal of the first flowmeter.

12 . The mixing system according to claim 1 , wherein
the input end of the premixing device comprises one or more premixing inlets, and the main pipeline is provided with a first flow control valve at one side close to the input end of the premixing device.

13 . The mixing system according to claim 1 , wherein
the mixing apparatus further comprises a mixed-liquid conveying pipeline, a remixing device and a branch pipeline, an input end of the mixed-liquid conveying pipeline is communicated with a shearing-mixing output port of the shearing-mixing device to convey mixed liquid output from the shearing-mixing output port, an output end of the mixed-liquid conveying pipeline is communicated with an input end of the remixing device, and an input end of the branch pipeline is communicated with a third liquid outlet end of the main pipeline, and an output end of the branch pipeline is communicated with the input end of the remixing device.

14 . The mixing system according to claim 13 , wherein
the branch pipeline is provided with a second flow control valve.

15 . The mixing system according to claim 13 , wherein
the mixing apparatus further comprises a spraying-mixing device, and the spraying-mixing device comprises a spraying input end, a drainage input end and a spraying output end, the spraying input end is communicated with the output end of the branch pipeline, and the spraying output end is communicated with the input end of the remixing device, so that the output end of the branch pipeline is communicated with the input end of the remixing device, the drainage input end is communicated with the output end of the mixed-liquid conveying pipeline, and the spraying output end is communicated with the input end of the remixing device, so that the output end of the mixed-liquid conveying pipeline is communicated with the input end of the remixing device, and the spraying input end is configured to obtain the main liquid, and the drainage input end is configured to obtain the mixed liquid, so that the mixed liquid and the main liquid are mixed inside the spraying-mixing device.

16 . A mixing system, comprising a main pump and at least one mixing apparatus, each of the at least one mixing apparatus comprising a main pipeline, a premixing device and a shearing-mixing device, wherein
the main pipeline has a liquid inlet end communicated with the main pump and is configured to convey main liquid, and the main pipeline comprises a first liquid outlet end and a second liquid outlet end; the premixing device has an input end communicated with the first liquid outlet end of the main pipeline and is configured to premix the main liquid as obtained with powder as obtained to obtain premixed liquid; the shearing-mixing device is communicated with an output end of the premixing device to obtain the premixed liquid, and the shearing-mixing device is provided with a first shearing-mixing liquid inlet communicated with the second liquid outlet end of the main pipeline to obtain the main liquid, so that mixed liquid is obtained by a shearing-mixing process; the mixing system further comprises a main mixing tank, a main liquid branch pipeline, and a manifold communicated with the main pump; the at least one mixing apparatus comprises a plurality of mixing apparatuses, and the liquid inlet end of the main pipeline of each of the plurality of mixing apparatuses is communicated with the main pump through the manifold; the plurality of mixing apparatuses are arranged in parallel between the manifold and the main mixing tank, and the main mixing tank is connected in series with the plurality of mixing apparatuses and the main liquid branch pipeline, respectively; the main liquid branch pipeline is arrang

Assignees

• Yantai Jereh Petroleum Equipment & Technologies Co Ltd

Inventors

• Zhong Jifeng
• Lv Liang
• Zhang Kun
• Wang Chuanbo
• Wu Yipeng
• Lan Chunqiang

Classifications

• B01F25/60

  Pump mixers, i.e. mixing within a pump · CPC title

• B01F35/2211

  Amount of delivered fluid during a period · CPC title

• B01F35/2213

  Pressure · CPC title

• B01F25/72

  with nozzles · CPC title

• B01F27/90

  with paddles or arms · CPC title