Multifunctional sampling valve
By designing a multi-function sampling valve, the crude oil associated gas is filtered using a funnel filter and filter element, and desulfurization is achieved through iron oxide desulfurization agent, the safety threat of hydrogen sulfide gas in oil well mining is solved and the safety and efficiency of the equipment is improved.
Patent Information
- Application Number
- CN202510234471.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-05-06
AI Technical Summary
During the oil well mining process, the highly toxic, flammable, explosive and highly corrosive hydrogen sulfide gas threatens personnel safety and equipment life, and traditional desulfurization methods have problems such as poor timeliness, high leakage risk and cumbersome processes.
A multi-functional sampling valve is designed, including a funnel filter, a filter element, an iron oxide desulfurization agent and other components. The moisture in the crude oil associated gas is filtered through the funnel filter, the filter element further filters impurities, and uses an iron oxide desulfurization agent to adsorb and remove hydrogen sulfide gas.
Real-time filtration and desulfurization of crude oil associated gases is achieved, reducing the risk of equipment bulkiness and leakage, adapting to complex oil well environments, and improving safety and efficiency.
Smart Images
Figure CN119933593A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of oil and gas field safety, in particular to a multifunctional sampling valve. Background Art
[0002] During oil well exploitation, hydrogen sulfide gas is highly toxic, flammable, explosive and corrosive, threatening personnel safety and equipment life. Traditional desulfurization methods rely on subsequent processing equipment, which has problems such as poor timeliness, high risk of leakage, and cumbersome processes. In existing technologies, the desulfurization process is separated, making it difficult to achieve real-time response, and the equipment is bulky and difficult to adapt to the complex environment of the wellhead. Summary of the invention
[0003] In order to solve the above technical problems, a device for continuous filtration of crude oil associated gas and desulfurization is provided, which is compact in structure and highly safe and suitable for complex oil well environments. The present invention adopts the following technical solutions.
[0004] A multifunctional sampling valve comprises an air inlet pipe, a filter cavity, a funnel filter, a cavity locking chuck, a flexible locking piece, a liquid collecting cavity, a filter element fixing cavity, a filter element A, a filter element B, an air pipe A, a valve, an air pipe B, a sealing connection plate, a filter supporting base, a filter, a filter fixing plate, a desulfurization cavity, and an exhaust valve. The air inlet pipe is the entrance for the crude oil associated gas to enter the device. The filter cavity is connected to the air inlet pipe. A funnel filter is arranged inside the filter cavity. The cavity locking chuck connects the liquid collecting cavity and the filter cavity. The combination of the cavity locking chuck and the movable locking piece is used to realize the rapid disassembly and assembly of the liquid collecting cavity. The top of the filter cavity is connected to the filter element fixing cavity, and the filter element A and the filter element B can be installed in the filter element fixing cavity. The air pipe A is connected to the filter element fixing cavity, and the valve is respectively connected to the air pipe A and the air pipe B. The air pipe B is connected to the sealing connection plate, and the sealing connection plate is connected to the filter supporting base. The filter supporting base supports the filter, and the filter fixing plate is connected to the desulfurization chamber and fixes the filter. The top of the desulfurization chamber is connected to the exhaust valve.
[0005] Furthermore, the funnel-type filter has a funnel-shaped appearance, and pores are evenly arranged on its surface. The funnel-type filter is used to filter moisture in crude oil associated gas, so that the wet crude oil associated gas containing water can use the funnel-type filter to condense liquid water droplets and flow into the liquid collecting chamber through the bottom and pores of the funnel-type filter.
[0006] Furthermore, the filter element A and the filter element B are installed at the slotted position of the filter element fixing cavity, and the filter element A and the filter element B are used to further filter the impurities in the crude oil associated gas.
[0007] Furthermore, the filter is arranged at the bottom of the desulfurization chamber, and the filter body is fixed by a filter fixing plate and a filter supporting base. The filter is used to prevent iron oxide desulfurizer particles from falling into the air pipe B and provide a passage for crude oil associated gas to enter the desulfurization chamber.
[0008] Preferably, the desulfurization chamber is filled with an iron oxide desulfurizer, which is in the form of large particles. The iron oxide desulfurizer can adsorb sulfur-containing compounds in the crude oil associated gas into the iron oxide desulfurizer, thereby removing hydrogen sulfide gas.
[0009] The beneficial effect of the present invention is that when a multifunctional sampling valve is connected to a crude oil associated gas pipeline, the crude oil associated gas flows into the filter cavity through the air inlet pipe, and the moisture that may be contained in the crude oil associated gas is filtered by using the funnel-type filter provided in the filter cavity. The moisture in the moisture condenses at the pores or the bottom of the funnel-type filter and then flows into the liquid collecting cavity. The cavity locking chuck connects the liquid collecting cavity and the filter cavity. The cavity locking chuck and the movable locking piece are combined to realize the rapid disassembly and assembly of the liquid collecting cavity. The rapid disassembly and assembly of the liquid collecting cavity by using the cavity locking chuck and the movable locking piece combination can quickly clean the moisture separation water in the crude oil associated gas in the liquid collecting cavity. The crude oil associated gas filtered by the funnel filter flows into the filter element fixing chamber, and the impurities of the crude oil associated gas are filtered by the filter element A and the filter element B provided in the filter element fixing chamber. The crude oil associated gas after the impurities are filtered flows into the desulfurization chamber through the air pipe A, the valve passage, the air pipe B, the sealing connection plate, and the filter fixed by the filter fixing plate and the filter supporting base. The sulfur-containing compounds in the crude oil associated gas are adsorbed into the iron oxide desulfurizer installed in the desulfurization chamber, thereby removing the hydrogen sulfide gas. The harmless associated gas after desulfurization is discharged through the exhaust valve provided on the top of the desulfurization chamber. The technical solution provided by the present invention has the characteristics of compact structure, safety and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a three-dimensional structural schematic diagram of a multifunctional sampling valve.
[0011] Figure 2 The invention is a schematic diagram of the cross-sectional structure of a multifunctional sampling valve.
[0012] Figure 3 It is a schematic diagram of the explosion structure of a multifunctional sampling valve.
[0013] In the figure: 101-intake pipe, 102-filter cavity, 103-funnel filter, 104-cavity locking chuck, 105-live locking piece, 106-liquid collecting cavity, 107-filter element fixing cavity, 108-filter element A, 109-filter element B, 110-trachea A, 111-valve, 112-trachea B, 113-sealing connection plate, 114-filter supporting base, 115-filter, 116-filter fixing plate, 117-desulfurization cavity, 118-exhaust valve. DETAILED DESCRIPTION
[0014] The embodiment of the present invention provides a multifunctional sampling valve, such as Figure 1, Figure 2 , Figure 3 As shown, a multifunctional sampling valve comprises an air inlet pipe 101, a filter screen cavity 102, a funnel filter screen 103, a cavity locking chuck 104, a movable locking member 105, a liquid collecting cavity 106, a filter element fixing cavity 107, a filter element A 108, a filter element B 109, an air pipe A 110, a valve 111, an air pipe B 112, a sealing connection plate 113, a filter screen supporting base 114, a filter screen 115, a filter screen fixing plate 116, a desulfurization cavity 117, and an exhaust valve 118. The air inlet pipe 101 is an entrance for crude oil associated gas to enter the device, the filter screen cavity 102 is connected to the air inlet pipe 101, and the filter screen cavity 102 is provided with There is a funnel-type filter screen 103, the cavity locking chuck 104 connects the liquid collecting chamber 106 and the filter screen chamber 102, the cavity locking chuck 104 and the movable locking member 105 are combined to realize the rapid disassembly and assembly of the liquid collecting chamber 106, the top of the filter screen chamber 102 is connected to the filter element fixing chamber 107, the filter element A108 and the filter element B109 can be installed in the filter element fixing chamber 107, the air pipe A110 is connected to the filter element fixing chamber 107, the valve 111 is respectively connected to the air pipe A110 and the air pipe B112, the air pipe B112 is connected to the sealing connection plate 113, and the sealing connection plate 113 is connected to the filter screen supporting base 114, The filter support base 114 supports the filter 115, the filter fixing plate 116 is connected to the desulfurization chamber 117 and fixes the filter 115, and the top of the desulfurization chamber 117 is connected to the exhaust valve 118; the funnel filter 103 has a funnel-shaped appearance, and pores are evenly arranged on its surface. The funnel filter 103 is used to filter moisture in the crude oil associated gas, so that the wet crude oil associated gas containing moisture uses the funnel filter 103 to condense liquid water droplets through the bottom and pores of the funnel filter 103 and flows into the liquid collecting chamber 106; the filter element A108 and the filter element B109 are installed in the slotted position of the filter element fixing chamber 107, and the filter Core A108 and filter element B109 are used to further filter impurities in the crude oil associated gas; the filter screen 115 is arranged at the bottom of the desulfurization chamber 117, and the filter screen 115 uses a filter screen fixing plate 116 and a filter screen supporting base 114 to fix its body, and the filter screen 115 is used to prevent iron oxide desulfurizer particles from falling into the air pipe B112 and provide a passage for the crude oil associated gas to enter the desulfurization chamber 117; the desulfurization chamber 117 is filled with iron oxide desulfurizer, and the iron oxide desulfurizer is in large particle form. The iron oxide desulfurizer can adsorb sulfur-containing compounds in the crude oil associated gas into the iron oxide desulfurizer, thereby removing hydrogen sulfide gas.
[0015] According to an embodiment of the present invention, when a multifunctional sampling valve is connected to a crude oil associated gas pipeline, the crude oil associated gas flows into the filter cavity 102 through the air inlet pipe 101, and the moisture that may be contained in the crude oil associated gas is filtered by using the funnel-type filter 103 provided in the filter cavity 102. The moisture in the moisture condenses in the pores or the bottom of the funnel-type filter 103 and then flows into the liquid collecting cavity 106. The cavity locking chuck 104 connects the liquid collecting cavity 106 and the filter cavity 102. The cavity locking chuck 104 and the movable locking piece 105 are combined to realize the rapid disassembly and assembly of the liquid collecting cavity 106. The rapid disassembly and assembly of the liquid collecting cavity 106 by using the cavity locking chuck 104 and the movable locking piece 105 can quickly clean the moisture separation water in the crude oil associated gas in the liquid collecting cavity 106. The crude oil associated gas filtered by the funnel filter 103 flows into the filter element fixing chamber 107, and the impurities in the crude oil associated gas are filtered by the filter element A108 and the filter element B109 provided in the filter element fixing chamber 107. The crude oil associated gas after the impurities are filtered passes through the air pipe A110, the valve 111 passage, the air pipe B112, the sealing connection plate 113, and the filter screen fixing plate 116 and the filter screen 115 fixed by the filter screen supporting base 114 and flows into the desulfurization chamber 117. The sulfur-containing compounds in the crude oil associated gas are adsorbed into the iron oxide desulfurizer installed in the desulfurization chamber 117, thereby removing the hydrogen sulfide gas. The harmless associated gas after desulfurization is discharged through the exhaust valve 118 provided at the top of the desulfurization chamber 117.
[0016] The above are preferred embodiments of the present invention. It should be pointed out that a person skilled in the art may make several improvements and modifications without departing from the principles of the invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. A multifunctional sampling valve, characterized in that: It includes an air intake pipe, a filter cavity, a funnel-type filter, a cavity locking chuck, a live locking piece, a liquid collecting cavity, a filter element fixing cavity, a filter element A, a filter element B, an air pipe A, a valve, an air pipe B, a sealing connection plate, a filter supporting base, a filter, a filter fixing plate, a desulfurization cavity, and an exhaust valve. The air intake pipe is the entrance for the crude oil associated gas to enter the device. The filter cavity is connected to the air intake pipe. A funnel-type filter is arranged inside the filter cavity. The cavity locking chuck connects the liquid collecting cavity and the filter cavity. The cavity locking The combination of the clamping disc and the movable locking piece is used to realize the rapid disassembly and assembly of the liquid collecting chamber. The top of the filter screen chamber is connected to the filter element fixing chamber, and the filter element A and filter element B can be installed in the filter element fixing chamber. The air pipe A is connected to the filter element fixing chamber. The valve is respectively connected to the air pipe A and the air pipe B. The air pipe B is connected to the sealing connection plate, and the sealing connection plate is connected to the filter screen supporting base. The filter screen supporting base supports the filter screen. The filter screen fixing plate is connected to the desulfurization chamber and fixes the filter screen. The top of the desulfurization chamber is connected to the exhaust valve. .
2. A multifunctional sampling valve according to claim 1, characterized in that: The funnel-type filter has a funnel-shaped appearance, and pores are evenly arranged on its surface. The funnel-type filter is used to filter moisture in crude oil associated gas, so that the wet crude oil associated gas containing water can condense liquid water droplets through the bottom and pores of the funnel-type filter and flow into the liquid collecting chamber.
3. A multifunctional sampling valve according to claim 1, characterized in that: The filter element A and the filter element B are installed at the slotted position of the filter element fixing cavity, and the filter element A and the filter element B are used to further filter the impurities of the crude oil associated gas.
4. A multifunctional sampling valve according to claim 1, characterized in that: The filter is arranged at the bottom of the desulfurization chamber, and the filter body is fixed by a filter fixing plate and a filter supporting base. The filter is used to prevent iron oxide desulfurizer particles from falling into the air pipe B and provide a passage for crude oil associated gas to enter the desulfurization chamber.
5. A multifunctional sampling valve according to claim 1, characterized in that: The desulfurization chamber is filled with an iron oxide desulfurizer in the form of large particles. The iron oxide desulfurizer can adsorb sulfur-containing compounds in the crude oil associated gas into the iron oxide desulfurizer, thereby removing hydrogen sulfide gas.