CN114893138B - Pulse type negative pressure adsorption equipment - Google Patents
Pulse type negative pressure adsorption equipment Download PDFInfo
- Publication number
- CN114893138B CN114893138B CN202210542612.8A CN202210542612A CN114893138B CN 114893138 B CN114893138 B CN 114893138B CN 202210542612 A CN202210542612 A CN 202210542612A CN 114893138 B CN114893138 B CN 114893138B
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- Prior art keywords
- negative pressure
- pulse
- compressed air
- sucker
- generating device
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 24
- 241000252254 Catostomidae Species 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 8
- 239000011435 rock Substances 0.000 description 6
- 239000011362 coarse particle Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Pressure Circuits (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a pulse negative pressure adsorption device which consists of a pulse negative pressure generation system and a sucker arranged below a screen, wherein the sucker is connected with the pulse negative pressure generation system, and the pulse negative pressure generation system takes compressed air as a power source to generate negative pressure to drive the sucker to convey a medium. The pulse negative pressure adsorption equipment uses compressed air as a power source, does not need other power sources, and greatly reduces the energy consumption of drilling fluid separation. The invention can flexibly set the pulse frequency by adjusting the timer, thereby changing the separation efficiency of the equipment according to the requirement; the pneumatic conveying device ensures the efficiency and the safety; the single set of equipment can drive a plurality of vibrating screens simultaneously, so that the separation efficiency is greatly improved. The invention has compact design and small occupied area, can be installed on a new vibrating screen or an old vibrating screen, and has simple and convenient maintenance and repair and low cost.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to novel pulse negative pressure adsorption equipment.
Background
In the exploitation process of petroleum and natural gas, the drilling fluid plays a critical role, and in the process of recycling the drilling fluid, in order to ensure the characteristics and the reliability, the efficient separation of rock debris from the drilling fluid is a critical factor. Different compositions of common drilling fluid are divided into oil base and water base, and the rock debris treatment mode is that a sand remover, a mud remover, a vibrating screen, a spin dryer and a centrifugal machine are matched for use.
Most of the existing vibrating screens are in the form of single-layer sieve beds or double-layer sieve beds, the content of rock fragments after drilling fluid is treated is high, the requirement of recycling cannot be met, and a single or double centrifuges are needed to further treat the rock fragments. If oil-based drilling fluids are used, a dryer may also be installed after the shaker.
The drawbacks of these prior art techniques are manifested as: the increase of equipment such as a centrifugal machine, a spin dryer and the like also improves the treatment cost, the oil content of the rock debris is high, and the cost for influencing the transmission and final treatment of the later rock debris is also improved.
With increasingly stringent energy and environmental requirements and operators seeking to reduce drilling costs, there is a need for an efficient, simple system for treating drilling fluids. Accordingly, there is a need for further development and advancement in the art.
Disclosure of Invention
The invention provides pulse negative pressure adsorption equipment aiming at the technical problems, which has the following technical scheme:
the pulse negative pressure adsorption equipment comprises a pulse negative pressure generation system and a sucker arranged below a screen, wherein the sucker is connected with the pulse negative pressure generation system, and the pulse negative pressure generation system takes compressed air as a power source to generate negative pressure to drive the sucker to convey media.
The pulse negative pressure adsorption equipment is characterized in that the pulse negative pressure generation system is connected with a plurality of suckers at the same time.
The pulse type negative pressure adsorption equipment comprises a pulse type negative pressure generation system and a negative pressure generation device, wherein compressed air enters the pulse type negative pressure generation system from an air source and then is divided into two parts, one part enters the pulse generation device, and the other part enters the negative pressure generation device.
The pulse negative pressure adsorption equipment is characterized in that compressed air passes through a coarse particle filter before entering a pulse negative pressure generation system from an air source.
The pulse type negative pressure adsorption equipment is characterized in that compressed air entering the negative pressure generation device is divided into two paths, the two paths are respectively connected with a gas control switch and a one-way valve, and the gas control switch is connected with the pulse generation device and enters a sucker below the screen mesh with compressed air passing through the one-way valve.
The pulse negative pressure adsorption equipment is characterized in that compressed air entering the negative pressure generating device firstly passes through the medium-particle filter and then is divided into two paths.
The pulse negative pressure adsorption equipment, wherein compressed air entering the pulse generating device enters a pressure reducing valve, the pressure reducing valve is connected with a first pneumatic control valve, the first pneumatic control valve is respectively connected with a first timer and a second timer, and is connected to a second pneumatic control valve which is connected to a gas control switch and an indication switch, and operates the gas control switch by setting the time of the first and second timers.
The pulse negative pressure adsorption equipment is characterized in that compressed air entering a pulse generating device firstly passes through a medium-particle filter and a tiny-particle filter, then enters an air dryer, and then enters a pressure reducing valve.
The pulse negative pressure adsorption equipment is characterized in that a pneumatic conveying device is arranged below the sucker, and the sucker is connected with a pulse negative pressure generation system through the pneumatic conveying device.
Advantageous effects
1. The pulse negative pressure adsorption equipment uses compressed air as a power source, does not need other power sources, and greatly reduces the energy consumption of drilling fluid separation.
2. The invention can flexibly set the pulse frequency by adjusting the timer, thereby changing the separation efficiency of the equipment according to the requirement;
3. the power of the pneumatic conveying device is derived from compressed air, so that the safety of the whole equipment is ensured; the composition of the pneumatic element ensures the high efficiency;
4. the single set of equipment can drive a plurality of vibrating screens simultaneously, so that the separation efficiency is greatly improved.
5. The invention has compact design and small occupied area, can be installed on a new vibrating screen or an old vibrating screen, and has simple and convenient maintenance and repair and low cost.
Drawings
FIG. 1 is a schematic diagram of a pulse negative pressure generating system according to an embodiment of the present invention;
fig. 2 is a schematic view of a sucker structure in an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "upper," "lower," "inner," "outer," "bottom," and the like as used in this specification are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The pulse negative pressure adsorption equipment below the vibrating screen mesh provided by the invention perfectly solves the problems of low recovery rate of drilling fluid, occupation of land by other needed equipment and energy consumption. The equipment is small and exquisite, simple to operate, easy to operate, can all perfect the embedding under the shale shaker of current various model specifications.
The invention mainly comprises a pulse negative pressure generating system and a sucker below a screen.
The power source of the pulse type negative pressure generating device mainly comes from compressed air, the compressed air passes through a coarse particle filter before entering the whole system from an air source, and then is divided into two parts, wherein one part enters the pulse generating device, and the other part enters the negative pressure generating device. The pulse generating device is mainly controlled by a timer to generate frequency, and the negative pressure generating device is turned on and off by the timer to generate negative pressure.
The compressed air entering the pulse generating device firstly passes through the medium particle filter and the micro particle filter, then enters the air dryer, pure and dry compressed air enters the pressure reducing valve after the treatment, the pressure reducing valve is connected with the first pneumatic control valve, the first pneumatic control valve is connected with the first timer and the second timer and is connected with the second pneumatic control valve, and the second pneumatic control valve is connected with the gas control switch and the indication switch. The indication switch is connected with the gas control switch and used for displaying the working state of the gas control switch. The pulse frequency is adjusted and set by the timers, and the gas control switch is operated by setting the time of the two timers. One of the timers controls the opening and closing of the negative pressure generating device, and the other timer controls the closing of the negative pressure generating device, so that the pulse negative pressure is formed.
The compressed air entering the negative pressure generating device firstly passes through the medium-particle filter and is divided into two paths again, the two paths are respectively connected with the gas control switch and the one-way valve, and the gas control switch is connected with the gas control valve of the pulse generating device and enters the sucker below the screen mesh with the compressed air passing through the one-way valve.
The suction disc below the screen can be customized according to different types of vibrating screen sizes, a pneumatic conveying device is arranged below the suction disc and connected with a pulse negative pressure generating device, and pulse negative pressure adsorption equipment is integrally formed.
The power source of the whole equipment is all from compressed air. Preferably, the compressed air is subjected to a de-granulation treatment and a drying treatment before entering the respective devices.
In the specific embodiment, after the compressed air is connected with the pulse type negative pressure adsorption device shown in fig. 1-2, the compressed air enters the coarse particle filter 2 through the main valve 1 in fig. 1 and then is divided into two paths, the compressed air in the first path enters the pressure reducing valve 6 through the middle particle filter 3, the tiny particle filter 4 and the dryer 5, the pressure reducing valve 6 is respectively connected with the pneumatic control valve 7 and the pneumatic control valve 8, the pneumatic control valve 7 is connected with the timer 9 and the timer 10, and the timer 9 and the timer 10 respectively enter the pneumatic control valve 8 and the pneumatic control valve 7 to form a complete loop. The pneumatic control valve 8 is connected with a pneumatic control switch 14 and two indicators 16 and 17; the compressed air in the second path is divided into two paths after passing through the middle particle filter 11, and enters the pressure reducing valve 12 and the pressure reducing valve 13 respectively, the pressure reducing valve 12 is connected with the gas control switch 14, the pressure reducing valve 13 is connected with the one-way valve 15, the two paths of compressed air are finally combined into one path, and the two paths of compressed air are respectively connected with the pneumatic conveying devices 19, 21, 23 and 25 after being connected with the valves 18, 20, 22 and 24.
By setting the timers 9 and 10, the pulse frequency is fed back to the air control valves 7 and 8, the air control valve 8 controls the operation of the air control switch 14, and the air of the air control switch 14 passes through the valves 18, 20, 22 and 24 and then operates the pneumatic conveying devices 19, 21, 23 and 25. Each time the pneumatic conveying device acts, the suction disc is adsorbed once.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present teachings and concepts, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the accompanying claims.
Claims (5)
1. The pulse negative pressure adsorption equipment is characterized by comprising a pulse negative pressure generation system and a sucker arranged below a screen, wherein the sucker is connected with the pulse negative pressure generation system, and the pulse negative pressure generation system takes compressed air as a power source to generate negative pressure to drive the sucker to convey media;
the pulse negative pressure generating system is connected with a plurality of suckers at the same time;
the pulse type negative pressure generating system comprises a pulse generating device and a negative pressure generating device, wherein compressed air enters the pulse type negative pressure generating system from an air source and then is divided into two parts, one part enters the pulse generating device, and the other part enters the negative pressure generating device;
compressed air entering the negative pressure generating device is divided into two paths, the two paths are respectively connected with a gas control switch and a one-way valve, and the gas control switch is connected with the pulse generating device and enters a sucker below the screen with compressed air passing through the one-way valve;
compressed air entering the pulse generating device enters a pressure reducing valve, the pressure reducing valve is connected with a first pneumatic control valve, the first pneumatic control valve is connected with a first timer and a second timer respectively and is connected with the second pneumatic control valve, the second pneumatic control valve is connected with a gas control switch and an indication switch, and the gas control switch is operated by setting the time of the first timer and the second timer.
2. The pulsed negative pressure adsorption apparatus of claim 1 wherein the compressed air passes through a coarse particulate filter prior to entering the pulsed negative pressure generation system from the air source.
3. The pulsed negative pressure adsorption apparatus of claim 1 wherein the compressed air entering the negative pressure generating device is first passed through the intermediate particulate filter and then split into two paths.
4. The pulse type negative pressure adsorption apparatus according to claim 1, wherein the compressed air introduced into the pulse generating means is first passed through the medium and fine particle filters, then introduced into the air dryer, and then introduced into the pressure reducing valve.
5. The pulsed negative pressure adsorption equipment according to claim 1, wherein a pneumatic conveying device is arranged below the sucker, and the sucker is connected with the pulsed negative pressure generation system through the pneumatic conveying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210542612.8A CN114893138B (en) | 2022-05-10 | 2022-05-10 | Pulse type negative pressure adsorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210542612.8A CN114893138B (en) | 2022-05-10 | 2022-05-10 | Pulse type negative pressure adsorption equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114893138A CN114893138A (en) | 2022-08-12 |
| CN114893138B true CN114893138B (en) | 2023-11-17 |
Family
ID=82724594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210542612.8A Active CN114893138B (en) | 2022-05-10 | 2022-05-10 | Pulse type negative pressure adsorption equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114893138B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4083607A (en) * | 1976-05-05 | 1978-04-11 | Mott Lambert H | Gas transport system for powders |
| US4354524A (en) * | 1980-09-15 | 1982-10-19 | Otis Engineering Corporation | Automatic reset pneumatic timer |
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| CN114893138A (en) | 2022-08-12 |
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