Nitrogen pulse thermal cleaning system

A thermal cleaning and pulse technology, applied in the field of thermal cleaning systems, can solve problems such as safety hazards and deflagration in oil field production units and thermal cleaning operations, and achieve the effects of improving the level of automation, protecting equipment safety, and improving efficiency

CN110548736AActive Publication Date: 2019-12-10克拉玛依北腾石油工程技术服务有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2019-12-10

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Abstract

The invention provides a nitrogen pulse thermal cleaning system, and belongs to the technical field of thermal cleaning systems. The nitrogen pulse thermal cleaning system comprises a pneumatic system, a hydraulic system, a pulse generator, a back pressure valve, a pressure transmitter I and an outlet union, wherein an outlet of the pneumatic system communicates with a gas inlet of the pulse generator; an outlet of the hydraulic system communicates with an liquid inlet of the pulse generator; an outlet of the pulse generator communicates with an inlet of the back pressure valve; the outlet ofthe back pressure valve communicates with an inlet of the pressure transmitter I; the outlet of the pressure transmitter I communicates with an inlet of the outlet union; and an outlet of the outlet union communicates with a pipeline to be cleaned. According to the nitrogen pulse thermal cleaning system, a gas-liquid two-phase flow with adjustable pulse frequency is generated; through controllingan electromagnetic valve and a pulse valve, the alternating mixing of liquid and gas is realized, and the automatic and controllable adjustment of pressure and flow of gas-liquid two-phase flow underpulsating pressure and pulsating flow is realized; the efficiency of gas-liquid mixing is improved; and the automation level of field operation is improved.
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Description

technical field

[0001] The invention relates to a nitrogen pulse thermal cleaning system, which belongs to the technical field of thermal cleaning systems. Background technique

[0002] Pulse heat cleaning is a common method for oil field well pipes to remove rust and corrode oil and wax on the pipe wall. Production units and thermal cleaning operations present safety hazards. Contents of the invention

[0003] The object of the present invention is to solve the above-mentioned problems in the prior art, and further provide a nitrogen pulse thermal cleaning system.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] A nitrogen pulse thermal cleaning system, comprising: a pneumatic system, a hydraulic system, a pulse generator, a back pressure valve, a pressure transmitter and an outlet oil nonel, the outlet of the pneumatic system is connected to the gas inlet of the pulse generator, and the liquid The outlet of ...

Examples

Embodiment 1

[0018] Such as figure 1 As shown, a nitrogen pulse thermal cleaning system involved in this embodiment includes: a pneumatic system 1, a hydraulic system 2, a pulse generator 3, a back pressure valve 4, a pressure transmitter 5 and an outlet oil nonyl 6, The outlet of the pneumatic system 1 is connected with the gas inlet of the pulse generator 3, the outlet of the hydraulic system 2 is connected with the liquid inlet of the pulse generator 3, the outlet of the pulse generator 3 is connected with the inlet of the back pressure valve 4, and the back pressure valve 4 is connected. The outlet of the pressure valve 4 is connected with the inlet of the pressure transmitter-5, the outlet of the pressure transmitter-5 is connected with the inlet of the outlet oil 6, and the outlet of the outlet oil 6 is connected with the pipeline 7 to be cleaned.

[0019] Pneumatic system 1 includes nitrogen generator 10, supercharger 11, imported oil 12, gas storage tank 13, gas pressure reducing v...

Embodiment 2

[0023] The nitrogen pulse thermal cleaning system of this embodiment is formed by a combination of a nitrogen gas vehicle, a thermal vehicle wash, and a pulse control system, with adjustable pressure and displacement, safety, environmental protection, and reliable performance. The system can generate gas-liquid two-phase flow with adjustable pulsation frequency, realize the alternate mixing of liquid and gas by controlling the solenoid valve and pulse valve, and realize the automatic adjustment of pressure and flow rate of gas-liquid two-phase flow under pulsating pressure and pulsating flow With controllable adjustment, the efficiency of gas-liquid mixing is improved. Form a controllable pulse physical shock wave, oscillate and peel off rust, and through the heat energy displacement carried by the pulse two-phase flow, melt the pipe wall oil, wax, etc. to achieve the purpose of cleaning.

[0024] Nitrogen filters, separates, purifies, and compresses the air through the nitrog...