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CN-224226959-U - Desulfurization separator for natural gas

CN224226959UCN 224226959 UCN224226959 UCN 224226959UCN-224226959-U

Abstract

The utility model discloses a desulfurization and separation device for natural gas, which comprises a cylinder body with a separation cavity, an exhaust pipe communicated with the separation cavity, an airflow driving piece arranged on the exhaust pipe, a mixing flow passage communicated with a natural gas source arranged on the cylinder body, an atomization nozzle used for introducing atomized desulfurizing agent into the mixing flow passage, an atomized desulfurizing agent and the natural gas which can be fully mixed in the mixing flow passage to form a mixture, an outlet of the mixing flow passage is tangential to the cylinder body and communicated with the separation cavity, the mixture can enter the separation cavity along the tangential direction of the cylinder body, and the mixture performs centrifugal motion in the separation cavity, so that reaction products, desulfurizing agent and natural gas in the mixture can be effectively separated in the separation cavity.

Inventors

  • LI PING
  • WANG YUWEI
  • HE XINGSHENG
  • LI BAODONG
  • ZHANG JIANGUO
  • WANG RENJIE

Assignees

  • 中国石油化工股份有限公司
  • 中国石油化工股份有限公司西南油气分公司

Dates

Publication Date
20260512
Application Date
20250509

Claims (10)

  1. 1. The desulfurization and separation device for the natural gas is characterized by comprising a cylinder body with a separation cavity and an exhaust pipe communicated with the separation cavity, wherein an airflow driving piece is arranged on the exhaust pipe and is configured to drive the desulfurization natural gas in the separation cavity to be discharged to downstream equipment or pipelines from the exhaust pipe; the cylinder is provided with a mixing runner communicated with a natural gas source, and the mixing runner also comprises: the atomization nozzle is used for introducing an atomized desulfurizing agent into the mixing flow channel; The desulfurizing agent and the natural gas can be mixed in the mixing flow passage to form a mixture, the outlet of the mixing flow passage is tangential to the cylinder body and is communicated with the separation cavity, and the mixture can enter the separation cavity along the tangential direction of the cylinder body.
  2. 2. The desulfurization and separation device for natural gas according to claim 1, further comprising: And the diverter is provided with a plurality of branch passages, the inlets of the branch passages are respectively communicated with the mixing flow passages, and the outlets of the branch passages are respectively tangent to the cylinder body and are respectively communicated with the separation cavity.
  3. 3. The desulfurization and separation device for natural gas according to claim 2, wherein the flow divider extends along the axis of the cylinder, and the plurality of branch passages are arranged at regular intervals along the circumference of the flow divider; The periphery of the flow divider is also provided with a cyclone channel in a surrounding manner, and the mixing flow channel, the cyclone channel, the branch flow channel and the separation cavity are communicated in sequence.
  4. 4. A desulfurization and separation device for natural gas according to claim 3, wherein the flow divider is columnar and is disposed coaxially with the cylinder.
  5. 5. The desulfurization and separation device for natural gas according to claim 4, wherein the outer wall of the cyclone channel is an archimedes spiral.
  6. 6. The desulfurization and separation device for natural gas according to any one of claims 1 to 5, wherein the air inlet end of the exhaust pipe is formed with a reducer pipe; And the reducer pipe is in a gradually-reducing trend along the flowing direction of the desulfurized natural gas in the exhaust pipe.
  7. 7. The desulfurization and separation device for natural gas according to claim 6, wherein the reducing pipe has a tapered shape or a horn shape.
  8. 8. The desulfurization and separation device for natural gas according to claim 6, wherein the reducing pipe is provided coaxially with the cylinder.
  9. 9. The desulfurization and separation device for natural gas according to claim 1, wherein a sedimentation zone is formed in the cylinder and located below the separation chamber in the direction of gravity; The inner wall of subsidence area is the convergent trend from top to bottom, the shrink end of subsidence area is connected with the collecting box.
  10. 10. The desulfurization and separation device for natural gas according to claim 9, wherein a discharge valve is provided at a discharge port of the collection tank, and/or, And a vibrator is arranged on the collecting box.

Description

Desulfurization separator for natural gas Technical Field The utility model relates to the technical field of natural gas desulfurization, in particular to a desulfurization and separation device for natural gas. Background The produced natural gas generally contains hydrogen sulfide, and the existence of the hydrogen sulfide can have a plurality of adverse effects on human health, environment, quality and yield of the natural gas and the like, and can corrode a transportation pipeline, so that the natural gas needs to be subjected to desulfurization treatment. In the prior art, a liquid desulfurizing agent is generally injected into a pipeline for transporting natural gas, and hydrogen sulfide in the natural gas and the liquid desulfurizing agent are subjected to chemical reaction in the pipeline, so that the hydrogen sulfide in the natural gas is absorbed and separated. In addition, the product generated by the reaction of the desulfurizing agent and hydrogen sulfide, and the liquid desulfurizing agent are mixed in the natural gas, so that the gas flow resistance is large, and the natural gas pipeline is easy to scale or block. Disclosure of utility model The utility model provides a desulfurization and separation device for natural gas, which is used for carrying out desulfurization treatment on natural gas, improving the utilization rate of a desulfurizing agent, and simultaneously separating reaction products generated by desulfurization from the natural gas, thereby reducing gas flow resistance and avoiding scaling or blockage of a natural gas pipeline. The utility model provides a desulfurization and separation device for natural gas, which comprises a cylinder body with a separation cavity and an exhaust pipe communicated with the separation cavity, wherein an airflow driving piece is arranged on the exhaust pipe and is configured to drive desulfurization natural gas in the separation cavity to be discharged to downstream equipment or pipelines from the exhaust pipe; the cylinder is provided with a mixing runner communicated with a natural gas source, and the mixing runner also comprises: the atomization nozzle is used for introducing an atomized desulfurizing agent into the mixing flow channel; The desulfurizing agent and the natural gas can be mixed in the mixing flow passage to form a mixture, the outlet of the mixing flow passage is tangential to the cylinder body and is communicated with the separation cavity, and the mixture can enter the separation cavity along the tangential direction of the cylinder body. As one embodiment, the desulfurization and separation device for natural gas further comprises: And the diverter is provided with a plurality of branch passages, the inlets of the branch passages are respectively communicated with the mixing flow passages, and the outlets of the branch passages are respectively tangent to the cylinder body and are respectively communicated with the separation cavity. As one embodiment, the flow divider extends along the axis of the cylinder, and the plurality of branch passages are uniformly spaced along the circumferential direction of the flow divider; The periphery of the flow divider is also provided with a cyclone channel in a surrounding manner, and the mixing flow channel, the cyclone channel, the branch flow channel and the separation cavity are communicated in sequence. As one embodiment, the diverter is columnar, and the diverter is coaxially arranged with the cylinder. As one embodiment, the outer side wall of the cyclone channel is an archimedes spiral line type. As one embodiment, the air inlet end of the exhaust pipe is formed with a reducer pipe; And the reducer pipe is in a gradually-reducing trend along the flowing direction of the desulfurized natural gas in the exhaust pipe. As an embodiment, the reducer pipe is tapered or trumpet-shaped. As one embodiment, the reducer pipe is disposed coaxially with the cylinder. As one embodiment, a sedimentation zone is formed in the barrel body and positioned below the separation cavity along the gravity direction; the inner wall of subsidence area is the convergent trend, the shrink end of subsidence area is connected with the collecting box. As an implementation mode, a discharge valve is arranged at the discharge hole of the collecting box and/or, And a vibrator is arranged on the collecting box. Compared with the prior art, the utility model has the advantages that: 1. The outlet of the mixing flow passage is tangential to the wall surface of the inner cavity of the cylinder body, the outlet of the mixing flow passage is communicated with the separation cavity, the mixture can enter the separation cavity along the tangential direction of the cylinder body, the mixture is centrifugally moved in the separation cavity, and the disturbance effect of the mixture is improved, so that reaction products, desulfurizing agents and natural gas in the mixture can be effectively separated in the separation ca