CN109945384A - A kind of explosion-proof forced draft air-conditioning of oil-well rig - Google Patents
A kind of explosion-proof forced draft air-conditioning of oil-well rig Download PDFInfo
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- CN109945384A CN109945384A CN201910331709.2A CN201910331709A CN109945384A CN 109945384 A CN109945384 A CN 109945384A CN 201910331709 A CN201910331709 A CN 201910331709A CN 109945384 A CN109945384 A CN 109945384A
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Abstract
A kind of explosion-proof forced draft air-conditioning of oil-well rig, including refrigeration system, internal cycling element, wind output channel, detection alarm system and control system；The refrigeration system includes the compressor being sequentially connected in series, finned cooler, liquid storage device, filter and evaporator；The inside cycling element includes air conditioner unit, wind inlet channel, return airway；The control system is connected with refrigeration system, internal cycling element, wind output channel, detection alarm system.The present invention is a kind of collection purging, pressurization, refrigeration (heating), divulge information, pressure monitor and overload alarm, imflammable gas/H2Intelligence that the functions such as S gas monitor and overload alarm are integrated, full-automatic air-conditioning system are widely used in driller house, control room and the similar house for needing positive pressure.The intelligentized needs of oil-well rig can be met by functions such as the long-range full-automatic operation of cell phone application application program or network implementations, detection, monitoring, alarms.
Description
Technical field
The present invention relates to a kind of explosion-proof forced draft air-conditionings of oil-well rig.
Background technique
With the raising of oil-well rig electromechanical integration degree, driller control house etc. needs to establish the room installation of positive pressure
Electrical component is more and more many and diverse, especially driller control house.According to API RP500, " classification of petroleum installations electrical equipment region is pushed away
Recommend the practice " regulation, driller control house position belongs to the danger zone in 1 grade of 2 area.This requires electrical in driller control house
Element must take necessary explosion precaution.
Explosion-proof technology forms flame proof, intrinsic safety by years development, increases peace, oil immersion, fills sand, encapsulation, " n " type etc. no
Same type of explosion proof construc tion.Electrical component broad categories in driller control house, mating side are more.Even there is so more technology hands
Section, can not make all electrical equipments have explosion prevention function.Many driller control house producers use at present is passed through in electrical cabinet
The method for cleaning drying compressed air, makes electrical cabinet become positive-pressure explosion-proof shell, although this way can satisfy use and mark
Alignment request.But its piping connection is comparatively laborious, and noise is larger, electrical component is limited in limited several pressurized enclosures, no
It is able to achieve the explosion-proof of the elements such as touch screen, has limited to the human oriented design of driller control house.It is new using what is obtained from harbor
Wind can prevent the toxic and harmful gas such as imflammable gas and H2S from entering driller control house, make entire driller through positive pressure blast system
Controlling room becomes the harbor of driller's work with equipment installation.
Currently, traditional positive pressure blast system design comparison is simple, the fresh air of safety zone is conveyed into department merely with blower
Control room is bored, forms positive pressure in driller control house.Simultaneously in order to meet driller control house to the needs of operating environment temperature, match
Air-conditioning is set.But due to driller control house narrow space, it is equipped with refrigeration (heating) power limited of air-conditioning, and air easy to form
Short circuit, driller control house is difficult to obtain the suitable working environment of temperature and humidity, and it is intelligentized to be unable to satisfy increasingly developed drilling machine
It needs.
Summary of the invention
The purpose of the present invention is to solve the above the deficiencies in the prior art, provide a kind of oil-well rig explosion-proof positive force feed
Wind air-conditioning, including refrigeration system, internal cycling element, wind output channel, detection alarm system and control system；The refrigeration system
System includes compressor, finned cooler, liquid storage device, filter and the evaporator being sequentially connected in series；The inside cycling element
Including air conditioner unit, wind inlet channel, return airway；The air conditioner unit be connected in turn activated carbon adsorption slot,
The entrance of filter, evaporator and centrifugal blower, air conditioner unit is connected with fresh wind port, and centre is equipped with airtight air lock；Institute
The wind inlet channel stated is located at the top in positive pressure room, inside the outlet positive pressure room of wind inlet channel；The return airway is set to
On positive pressure room side wall, it is connected inside the entrance and positive pressure room of return airway and is equipped with airtight air lock, the outlet of return airway and sky
Gas disposal unit is connected；The return airway outlet is equipped with back-flow preventer；The back-flow preventer includes cylindrical shell
And sphere, the upper end of the cylindrical shell are connected by outlet plate with the gas side that goes out of return airway, the lower end of cylindrical shell is logical
Ring flat-plate is crossed to be connected with the air inlet side of return airway；Several ventholes are uniformly distributed on the outlet plate；Outside the column
Conical cavity is equipped with inside shell, the diameter of the conical cavity is sequentially reduced from left to right, and the sphere is located at conical cavity
Inside, material is polyurethane；The wind output channel is inside the lower part in positive pressure room, the outlet of wind output channel and positive pressure room
It is connected, wind output channel outlet is equipped with airtight air lock；The detection alarm system is located in positive pressure room；The control system with
Refrigeration system, internal cycling element, wind output channel, detection alarm system are connected.
Preferably, the detection alarm system is equipped with indoor temperature transmitter.
Preferably, the differential pressure indicator outside communicating pipe and positive pressure room by being connected.
Preferably, view stream mirror is additionally provided between the filter and evaporator.
Preferably, compressor inlet and outlet both ends are also connected with low-pressure meter, low pressure controller and high pressure gauge, high voltage control
Device.
The utility model has the advantages that
It will purging, pressurization, refrigeration (heating), ventilation, pressure monitor and overload alarm, imflammable gas/H2S gas monitor
Become one with functions such as overload alarm, power supplies (power-off), is a kind of intelligent, full-automatic air-conditioning system, mentions simultaneously
High working efficiency；
Width funtion operation, adapts to the rugged environments such as sand and dust, high temperature, low temperature, high humidity, salt fog, mould, and adapt to shake
The irregular movements such as move, wave, tilting；
Can by functions such as the long-range full-automatic operation of cell phone application application program or network implementations, detection, monitoring, alarms,
Meet the intelligentized needs of oil-well rig.
Detailed description of the invention
Fig. 1 is operation principle schematic diagram.
Fig. 2 is the attachment structure schematic diagram of refrigeration system.
1. 6. condenser of compressor 2. low tension switch, 3. high-voltage switch gear, 4. liquid storage device, 5. axial flow blower, 7. filter 8. expands
11. heater of valve 9. temperature sensor, 10. evaporator, 12. airtight 14. centrifugal blower 15. of air lock of airtight 13. return air of air lock of fresh air
Airtight 17. wind inlet channel 18. of air lock of 16. air draft of electric cabinet controls 19. control system of cable, 20. return airway, 21. air-treatment
22. wind output channel of unit
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
As shown in Figs. 1-2, the explosion-proof forced draft air-conditioning of a kind of oil-well rig, including refrigeration system, internal cycling element,
Wind output channel, detection alarm system and control system；The refrigeration system includes the compressor 1 being sequentially connected in series, finned cold
Condenser 6, liquid storage device 4, filter 7 and evaporator 10；The inside cycling element includes air conditioner unit 21, wind inlet channel
17, return airway 20；The air conditioner unit 21 be connected in turn activated carbon adsorption slot, filter 7, evaporator 10 with from
The entrance of heart blower 14, air conditioner unit 21 is connected with fresh wind port, and centre is equipped with airtight air lock；The wind inlet channel 17
In the top in positive pressure room, inside the outlet positive pressure room of wind inlet channel 17；The return airway 20 is set to positive pressure room side wall
On, it is connected inside the entrance and positive pressure room of return airway 20 and is equipped with airtight air lock, the outlet and air-treatment of return airway 20
Unit 21 is connected；The outlet of return airway 20 is equipped with back-flow preventer 23；The back-flow preventer 23 includes outside column
The upper end of shell 24 and sphere 25, the cylindrical shell 24 is connected by outlet plate 27 with the gas side that goes out of return airway, outside column
The lower end of shell 24 is connected by ring flat-plate with the air inlet side of return airway；Several ventholes are uniformly distributed on the outlet plate 27
26；Conical cavity is equipped with inside the cylindrical shell 24, the diameter of the conical cavity is sequentially reduced from left to right, described
Sphere 25 is located at the inside of conical cavity, and material is polyurethane；The wind output channel 22 is set to the lower part in positive pressure room, air draft wind
It is connected inside the outlet in road 22 and positive pressure room, the outlet of wind output channel 22 is equipped with airtight air lock；The detection alarm system is located at
In positive pressure room；The control system is connected with refrigeration system, internal cycling element, wind output channel, detection alarm system.
The detection alarm system is equipped with indoor temperature transmitter.
The differential pressure indicator outside communicating pipe and positive pressure room by being connected.
View stream mirror is additionally provided between the filter and evaporator.
The compressor inlet and outlet both ends are also connected with low-pressure meter, low pressure controller and high pressure gauge, dual pressure controller.
Working condition:
The present invention is first turned on related airtight air lock by explosion-proof forced draft air-conditioning, to driller house within the time of setting
Control room is purged.After purging, into positive pressure establishment stage, the fresh air of safety zone is sent into driller control house,
When room pressure reaches setting value, related closed air lock is closed.Air circulation in driller control house enters air-treatment list
Member processing is sent into room after cooling or heating.When pressure is lower than setting value in driller control house, related closed air lock is opened,
It is sent into fresh air into driller control house, is closed when to setting value, in cycles.When explosion-proof forced draft detection of air-conditioning to driller is controlled
When room pressure limit or H2S gas/combustable gas concentration processed transfinites, sound-light alarm is issued.Explosion-proof forced draft air-conditioning has purged
Bi Hou issues power supply signal into positive pressure establishment stage.When room pressure is lower than setting value, explosion-proof forced draft air-conditioning hair
Low pressure overload alarm out, selection power-off.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of explosion-proof forced draft air-conditioning of oil-well rig, which is characterized in that including refrigeration system, internal cycling element, row
Wind air duct, detection alarm system and control system；The refrigeration system includes the compressor being sequentially connected in series, finned condensation
Device, liquid storage device, filter and evaporator；The inside cycling element includes air conditioner unit, wind inlet channel, return air wind
Road；The air conditioner unit is connected with activated carbon adsorption slot, filter, evaporator and centrifugal blower in turn, at air
The entrance of reason unit is connected with fresh wind port, and centre is equipped with airtight air lock；The wind inlet channel is located at the top in positive pressure room, air inlet
Inside the outlet positive pressure room in air duct；The return airway is set on positive pressure room side wall, the entrance and positive pressure of return airway
It is connected inside room and is equipped with airtight air lock, the outlet of return airway is connected with air conditioner unit；The return airway outlet
Equipped with back-flow preventer；The back-flow preventer includes cylindrical shell and sphere, and the upper end of the cylindrical shell is by going out
Gas plate is connected with the gas side that goes out of return airway, and the lower end of cylindrical shell is connected by ring flat-plate with the air inlet side of return airway；It is described
Outlet plate on be uniformly distributed several ventholes；Conical cavity is equipped with inside the cylindrical shell, the conical cavity
Diameter is sequentially reduced from left to right, and the sphere is located at the inside of conical cavity, and material is polyurethane；The wind output channel
Set on the lower part in positive pressure room, it is connected inside the outlet of wind output channel and positive pressure room, wind output channel outlet is equipped with airtight air lock；It is described
Detection alarm system be located in positive pressure room；The control system and refrigeration system, internal cycling element, wind output channel, inspection
Alarm system is surveyed to be connected.
2. a kind of explosion-proof forced draft air-conditioning of oil-well rig according to claim 1, which is characterized in that the detection
Alarm system is equipped with indoor temperature transmitter.
3. a kind of explosion-proof forced draft air-conditioning of oil-well rig according to claim 1, which is characterized in that the pressure difference
Table outside communicating pipe and positive pressure room by being connected.
4. a kind of explosion-proof forced draft air-conditioning of oil-well rig according to claim 1, which is characterized in that the filtering
View stream mirror is additionally provided between device and evaporator.
5. a kind of explosion-proof forced draft air-conditioning of oil-well rig according to claim 1, which is characterized in that the compression
Machine inlet and outlet both ends are also connected with low-pressure meter, low pressure controller and high pressure gauge, dual pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331709.2A CN109945384A (en) | 2019-04-24 | 2019-04-24 | A kind of explosion-proof forced draft air-conditioning of oil-well rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331709.2A CN109945384A (en) | 2019-04-24 | 2019-04-24 | A kind of explosion-proof forced draft air-conditioning of oil-well rig |
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| Publication Number | Publication Date |
|---|---|
| CN109945384A true CN109945384A (en) | 2019-06-28 |
Family
ID=67016033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910331709.2A Withdrawn CN109945384A (en) | 2019-04-24 | 2019-04-24 | A kind of explosion-proof forced draft air-conditioning of oil-well rig |
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| Country | Link |
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| CN (1) | CN109945384A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930070A (en) * | 2020-10-09 | 2020-11-13 | 亿昇(天津)科技有限公司 | Control method of positive pressure explosion-proof system |
| CN112283841A (en) * | 2020-10-20 | 2021-01-29 | 三门核电有限公司 | Emergency ventilation system for main control room of nuclear facility |
| CN116292376A (en) * | 2023-05-19 | 2023-06-23 | 天津飞旋科技股份有限公司 | Non-electric and electric composite explosion-proof protection method and non-electric and electric composite blower |
-
2019
- 2019-04-24 CN CN201910331709.2A patent/CN109945384A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930070A (en) * | 2020-10-09 | 2020-11-13 | 亿昇(天津)科技有限公司 | Control method of positive pressure explosion-proof system |
| CN111930070B (en) * | 2020-10-09 | 2021-01-01 | 亿昇(天津)科技有限公司 | Control method of positive pressure explosion-proof system |
| CN112283841A (en) * | 2020-10-20 | 2021-01-29 | 三门核电有限公司 | Emergency ventilation system for main control room of nuclear facility |
| CN116292376A (en) * | 2023-05-19 | 2023-06-23 | 天津飞旋科技股份有限公司 | Non-electric and electric composite explosion-proof protection method and non-electric and electric composite blower |
| CN116292376B (en) * | 2023-05-19 | 2023-08-08 | 天津飞旋科技股份有限公司 | Non-electric and electric composite explosion-proof protection method and non-electric and electric composite blower |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190628 |
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| WW01 | Invention patent application withdrawn after publication |