CN217176889U - Two-stage compression oil injection screw nitrogen booster compressor equipment - Google Patents
Two-stage compression oil injection screw nitrogen booster compressor equipment Download PDFInfo
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- CN217176889U CN217176889U CN202220757219.6U CN202220757219U CN217176889U CN 217176889 U CN217176889 U CN 217176889U CN 202220757219 U CN202220757219 U CN 202220757219U CN 217176889 U CN217176889 U CN 217176889U
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Abstract
The utility model relates to the technical field of booster compressors, in particular to a two-stage compression oil injection screw nitrogen booster compressor device; the system comprises an air inlet pressure stabilizing control system, a compression transmission system, an oil-gas separation and nitrogen cooling system and an oil way lubricating system; the air inlet pressure stabilizing system comprises a nitrogen pipeline, an air storage tank and an air inlet filter, the nitrogen pipeline is connected with the air storage tank, the air inlet filter is connected with the air storage tank through a pipeline, the compression transmission system is connected with the air inlet filter, the oil-gas separation and nitrogen cooling system is respectively connected with the compression transmission system and the air inlet filter, and the oil circuit lubricating system is respectively connected with the compression transmission system and the oil-gas separation and nitrogen cooling system; the intelligent control system has the characteristics of simple structure control, intelligent operation, high reliability, strong adaptability, low initial investment and operation cost, prolonged service life, convenience in maintenance and installation and the like, and can greatly improve the reliability of equipment and the customer experience.
Description
Technical Field
The utility model relates to a booster compressor technical field especially relates to a two-stage compression oil spout screw rod nitrogen gas booster compressor equips.
Background
The high-pressure nitrogen booster compressor is a core device in the rubber tire manufacturing and vulcanizing process, and boosts high-purity nitrogen of 2.5bar generated in the deep cooling nitrogen making process to 30bar and then conveys the nitrogen to a subsequent process production line.
The nitrogen booster commonly used in the market is a piston compressor, and consists of a working cavity, a transmission component, a machine body and an auxiliary component, wherein the working cavity consists of a cylinder, a cylinder sleeve, an air valve, a filler, a piston and a piston rod, and the gas is pressurized and conveyed by the reciprocating motion of the piston.
However, the supply pressure pulsation and the exhaust pressure of the nitrogen booster piston compressor are not stable enough, the frequent action of the intake piston valve is easy to damage, the maintenance cost is high, and the user experience is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-stage compression oil spout screw rod nitrogen gas booster compressor equips, and nitrogen gas booster piston compressor air feed pressure pulsation, the exhaust pressure that aim at solving among the prior art are stable inadequately, and the piston valve frequent action fragile of admitting air, maintenance cost are on the high side, lead to the technical problem that user experience degree reduces.
In order to realize the purpose, the utility model discloses a two-stage compression oil injection screw nitrogen gas booster compressor equipment, including air inlet pressure stabilizing control system, compression transmission system, oil-gas separation and nitrogen gas cooling system and oil circuit lubricating system;
the air inlet pressure stabilizing system comprises a nitrogen pipeline, an air storage tank and an air inlet filter, the nitrogen pipeline is connected with the air storage tank, the air inlet filter is connected with the air storage tank through a pipeline, the compression transmission system is connected with the air inlet filter, the oil-gas separation and nitrogen cooling system is respectively connected with the compression transmission system and the air inlet filter, and the oil circuit lubricating system is respectively connected with the compression transmission system and the oil-gas separation and nitrogen air conditioning system.
The compression transmission system comprises a two-stage compression oil injection screw head, a mechanical seal, a transmission assembly and a permanent magnet variable frequency motor, wherein the two-stage compression oil injection screw head is connected with the air inlet filter through a pipeline; the mechanical seal is connected with the two-stage compression oil injection screw machine head and the transmission assembly, and is positioned between the two-stage compression oil injection screw machine head and the transmission assembly; the permanent magnet variable frequency motor is connected with the transmission assembly and is positioned on one side of the transmission assembly, which is far away from the mechanical seal.
The oil-gas separation and nitrogen cooling system comprises a filter, an oil-gas cylinder, a minimum pressure valve, an oil return one-way valve and a rear cooler, wherein the oil-gas cylinder is connected with the two-stage compression oil injection screw head through a pipeline, and the oil-gas cylinder is connected with the air inlet filter through a pipeline; the oil return one-way valve is positioned between the oil cylinder and the two-stage compression oil injection screw head; the minimum pressure valve is connected with the oil cylinder; the rear cooler is connected with the minimum pressure valve through a pipeline; the filter is connected with the rear cooler through a pipeline.
The oil way lubricating system comprises a first temperature control valve, a second temperature control valve, an oil cooler, a first oil cut-off valve, a second oil cut-off valve, a first oil filter and a second oil filter, wherein the first oil cut-off valve is respectively connected with the two-stage compression oil injection screw head and the first oil filter through pipelines; the second oil cut-off valve is respectively connected with the two-stage compression oil injection screw head, the mechanical seal and the second oil filter through pipelines; the first oil filter is respectively connected with the oil cooler and the first temperature control valve through pipelines; the second oil filter is connected with the oil cooler and the second temperature control valve through pipelines; the first temperature control valve is respectively connected with the oil gas cylinder and the second temperature control valve through pipelines; the second temperature control valve is respectively connected with the oil cylinder and the oil cooler through pipelines.
The two-stage compression oil injection screw nitrogen booster compressor equipment further comprises a redundant nitrogen large circulation system, wherein the redundant nitrogen large circulation system comprises a circulation pipeline and a silencer assembly, one end of the circulation pipeline is connected with the nitrogen pipeline, and the other end of the circulation pipeline is located between the rear cooler and the filter; the muffler assembly is used for maintenance and emptying.
The silencer assembly comprises a first silencer, a second silencer and a third silencer, and the first silencer is connected with the air inlet filter through a pipeline; the second muffler is located between the oil cylinder and the rear cooler; the third silencer is respectively connected with the air inlet filter and the oil gas cylinder through pipelines.
The compression transmission system further comprises an exhaust check valve, and the exhaust check valve is connected with the two-stage compression oil injection screw head and the oil cylinder through pipelines respectively.
The utility model discloses a two-stage compression oil spout screw nitrogen booster compressor equips, carries out each functional spare part of logic control through automatically controlled PLC programming system, makes two-stage compression oil spout screw nitrogen booster compressor equip the required nitrogen gas source of uniform temperature, uniform pressure, certain flow of providing customer's technology, wherein, the steady pressure control system that admits air utilizes pressure sensor detection, servo intelligent electric ball valve feedback aperture, the gas holder steady voltage, the air intake filter filters, make the pure nitrogen admission pressure of control entering two-stage compression oil spout screw nitrogen booster compressor equipment stabilize at 2.5bar 0.3, automatically controlled PLC programming system through gathering the temperature, pressure, the humidity numerical value of compression transmission system import nitrogen gas, through calculating feedback the exhaust temperature of two-stage compression oil spout screw nitrogen booster compressor equipment will be above the pressure dew point numerical value, the method comprises the steps of preventing condensed water from separating out and damaging lubricating oil in the compression transmission system, ensuring the compression transmission system to stably run, adjusting the running rotating speed of the compression transmission system by an electric control PLC programming system according to the gas consumption, adjusting the running rotating speed within the range of 20-100% to meet the requirement of gas pressure for customers, filtering and cooling compressed nitrogen by the oil-gas separation and nitrogen cooling system and then providing the compressed nitrogen for customers to use, changing the proportion of cold oil and hot oil of the lubricating oil by an oil circuit lubricating system, controlling the opening degree of an electric ball valve by the electric control PLC programming system to enable the temperature and the pressure of the lubricating oil supplied to each oil port of the compression transmission system to be controllable and adjustable, constantly matching the flow, the temperature and the pressure of the lubricating oil required by the operation of the compression transmission system to enable the compression transmission system to run safely and reliably, and enabling the nitrogen pressure in the redundant nitrogen large circulation system to exceed 32bar, make the high-pressure nitrogen gas in the pipeline of rear portion flow back to the gas holder front end avoids the extravagant energy saving of nitrogen gas evacuation, so far, two-stage compression oil spout screw rod nitrogen gas booster compressor equips and has that structural control is simple, and can wisdom operation, reliability are high, strong adaptability, initial investment and running cost are low to characteristics such as increase of service life, maintenance simple to operate, can improve equipment reliability and customer experience degree greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the two-stage compression oil injection screw nitrogen booster compressor of the present invention.
101-nitrogen pipeline, 102-air storage tank, 103-air inlet filter, 201-two-stage compression oil injection screw head, 202-mechanical seal, 203-transmission assembly, 204-permanent magnet variable frequency motor, 205-exhaust check valve, 301-filter, 302-oil gas cylinder, 303-minimum pressure valve, 304-oil return check valve, 305-rear cooler, 401-first temperature control valve, 402-second temperature control valve, 403-oil cooler, 404-first oil cut-off valve, 405-second oil cut-off valve, 406-first oil filter, 407-second oil filter, 501-circulation pipeline, 502-first muffler, 503-second muffler and 504-third muffler.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the utility model provides a two-stage compression oil injection screw nitrogen booster compressor device, which comprises an air inlet pressure stabilizing control system, a compression transmission system, an oil-gas separation and nitrogen cooling system and an oil circuit lubricating system;
the air inlet pressure stabilizing system comprises a nitrogen pipeline 101, an air storage tank 102 and an air inlet filter 103, the nitrogen pipeline 101 is connected with the air storage tank 102, the air inlet filter 103 is connected with the air storage tank 102 through a pipeline, the compression transmission system is connected with the air inlet filter 103, the oil-gas separation and nitrogen cooling system is respectively connected with the compression transmission system and the air inlet filter 103, and the oil way lubricating system is respectively connected with the compression transmission system and the oil-gas separation and nitrogen cooling system.
In the embodiment, each functional part in the two-stage compression oil injection screw nitrogen booster compressor equipment is logically controlled by an electric control PLC programming system, the electric control PLC programming system comprises a frequency converter, an electric main controller PLC and a touch screen, the touch screen is connected with the electric main controller PLC and used for man-machine interaction, the electric main controller is used for each output signal and each input signal of an instruction, and the frequency converter is used for each input signal and each output signal of a control motor; the nitrogen pipeline 101 is connected with the gas storage tank 102, a manual stop valve, an electric ball valve and a pressure sensor are arranged on the nitrogen pipeline 101, the nitrogen pipeline 101 is used for inputting customer nitrogen, the gas storage tank 102 is connected with the gas inlet filter 103 through a pipeline, a manual stop valve, a temperature sensor and a pressure sensor are arranged between the air storage tank 102 and the air inlet filter 103, the air inlet filter 103 is connected with the compression transmission system, a humidity meter, an electric ball valve, a manual needle valve, a one-way valve, a temperature sensor and a pressure sensor are arranged between the air inlet filter 103 and the compression transmission system, the oil-gas separation and nitrogen cooling system is respectively connected with the compression transmission system and the air inlet filter 103, the oil way lubricating system is respectively connected with the compression transmission system and the oil-gas separation and nitrogen gas cooling system;
the device comprises a two-stage compression oil injection screw nitrogen booster compressor, an electric control PLC programming system, a servo intelligent electric ball valve, an air inlet filter 103, a gas storage tank 102 and an air outlet filter, wherein all data in the two-stage compression oil injection screw nitrogen booster compressor device are acquired by a temperature sensor and a pressure sensor and then uploaded to the electric control PLC programming system, the electric control PLC programming system outputs corresponding data instructions after being analyzed and calculated by a logic formula, and all functional components in the two-stage compression oil injection screw nitrogen booster compressor device coordinate to act according to the program instructions of the electric control PLC programming system, so that the two-stage compression oil injection screw nitrogen booster compressor device provides a nitrogen source with certain temperature, certain pressure and certain flow required by a customer process, wherein the pure nitrogen inlet pressure of the two-stage compression oil injection screw nitrogen booster compressor is stabilized at 2.5bar +/-0.3 by utilizing the pressure sensor for detection, the servo intelligent electric ball valve for feeding back opening, the gas storage tank 102 for pressure stabilization and the air inlet filter 103 for filtration, the electric control PLC programming system is used for preventing condensed water from separating out and damaging lubricating oil in the compression transmission system by acquiring the temperature, pressure and humidity values of nitrogen at the inlet of the compression transmission system and calculating and feeding back the exhaust temperature of two-stage compression oil injection screw nitrogen booster compressor equipment to be above the exhaust pressure dew point value, so as to ensure the stable operation of the compression transmission system, the compression transmission system is used for boosting the input nitrogen to 30bar and stabilizing the input nitrogen, the oil-gas separation and nitrogen cooling system is used for filtering and cooling the compressed nitrogen and providing the compressed nitrogen for customers to use, the oil way lubricating system is used for changing the proportion of cold oil and hot oil of the lubricating oil and controlling the temperature and pressure of the lubricating oil supplied to each oil port of the compression transmission system, the flow, the temperature and the pressure of the lubricating oil required by the unit of the compression transmission system are matched at any time, so that the unit can operate safely and reliably, and then two-stage compression oil spout screw nitrogen gas booster compressor equips has that structural control is simple, and can the wisdom operation, the reliability is high, strong adaptability, initial investment and running cost are low, solves the fragile problem of the frequent action of traditional nitrogen gas booster piston compressor air inlet piston valve, effectively prolongs unit life, maintains maintenance simple to operate, can improve equipment reliability and customer experience degree greatly, can satisfy the on-the-spot processing equipment of customer, instrument and meter, the used demand of high pressure nitrogen gas of production technology.
Further, referring to fig. 1, the compression transmission system includes a two-stage compression oil injection screw head 201, a mechanical seal 202, a transmission assembly 203 and a permanent magnet variable frequency motor 204, wherein the two-stage compression oil injection screw head 201 is connected with the air intake filter 103 through a pipeline; the mechanical seal 202 is connected with the two-stage compression oil injection screw head 201 and the transmission assembly 203, and the mechanical seal 202 is located between the two-stage compression oil injection screw head 201 and the transmission assembly 203; the permanent magnet variable frequency motor 204 is connected with the transmission assembly 203 and is positioned on one side of the transmission assembly 203 far away from the mechanical seal 202.
Further, referring to fig. 1, the compression transmission system further includes an exhaust check valve 205, and the exhaust check valve 205 is connected to the two-stage compression oil injection screw head 201 and the oil gas cylinder 302 through pipes, respectively.
Further, referring to fig. 1, the oil-gas separation and nitrogen cooling system includes a filter 301, an oil-gas cylinder 302, a minimum pressure valve 303, an oil return check valve 304 and a rear cooler 305, wherein the oil-gas cylinder 302 is connected with the two-stage compression oil injection screw head 201 through a pipeline, and the oil-gas cylinder 302 is connected with the air intake filter 103 through a pipeline; the oil return check valve 304 is positioned between the oil cylinder 302 and the two-stage compression oil injection screw head 201; the minimum pressure valve 303 is connected with the oil gas cylinder 302; the aftercooler 305 is connected to the minimum pressure valve 303 via a line; the filter 301 is connected to the aftercooler 305 by a pipe.
In this embodiment, the two-stage compression oil injection screw head 201 is connected to the air intake filter 103 through a pipeline, the mechanical seal 202 is connected to an output shaft of the two-stage compression oil injection screw head 201, the mechanical seal 202 prevents nitrogen and lubricating oil in the screw head from leaking to the outside of the screw head, one side of the mechanical seal 202 away from the two-stage compression oil injection screw head 201 is connected to the transmission assembly 203, the transmission assembly 203 is composed of a coupler and an intermediate elastomer, and can transmit the torque of a motor to the two-stage compression oil injection screw head 201 to enable the screw head to rotate together with a driving motor, one side of the transmission assembly 203 away from the mechanical seal 202 is connected to the permanent magnet variable frequency motor 204, the two-stage compression oil injection screw head 201 is driven by the permanent magnet variable frequency motor 204 to boost the nitrogen at the exhaust port of the two-stage compression oil injection screw head 201 to 30bar, the electric main controller PLC and the frequency converter control the permanent magnet variable frequency motor 204 to adjust the running rotating speed of the motor according to the gas consumption, the rotating speed and the gas consumption can be adjusted within the range of 20-100%, and the requirement of the gas pressure for customers is met; the exhaust check valve 205 is connected with the two-stage compression oil injection screw head 201 and the electric gas cylinder through pipelines, the first-stage exhaust pressure of the two-stage compression oil injection screw head 201 is 10bar, an electric ball valve is used for performing pressure relief protection between stages, the second-stage pressure exhaust is 30bar, the exhaust check valve 205 is used for performing fluid check to prevent the oil-gas mixture in the gas storage tank 102 from flowing into the two-stage compression oil injection screw head 201, and the phenomenon of oil discharge at a gas inlet when the unit is stopped is prevented; the oil gas jar 302 with two-stage compression oil spout screw rod aircraft nose 201 passes through the tube coupling, and the oil gas jar 302 with be provided with between the two-stage compression oil spout screw rod aircraft nose 201 oil return check valve 304, oil return check valve 304 can make the lubricating oil that filter equipment oil content core was collected passes through in the oil return check valve 304 uniflow arrives the oil return mouth of screw rod aircraft nose, minimum pressure valve 303 with oil gas jar 302 is connected, minimum pressure valve 303 maintains the minimum pressure of circulating oil when the unit is started, when carrying out the deloading operation, has one-way check function in addition, prevents in the unit rear portion pipeline gas refluence extremely in the oil gas jar 302, prevents that the unit from taking load to start, oil gas jar 302 with intake filter 103 passes through the tube coupling, and oil gas jar 302 with be provided with manual needle valve and electric ball valve between the intake filter 103, the minimum pressure valve 303 is connected with the rear cooler 305 through a pipeline, a pressure sensor is arranged between the minimum pressure valve 303 and the rear cooler 305, the two-stage compression oil injection screw head 201, the oil gas cylinder 302 and the rear cooler 305 are all provided with a pressure sensor and a temperature sensor, the oil gas cylinder 302 is protected in all directions, the filter 301 is connected with the rear cooler 305 through a pipeline, the pressure sensor and the temperature sensor are arranged between the filter 301 and the rear cooler 305, the rear cooler 305 is a tube shell and tube fin type, the heat exchange area is increased, the water temperature and the water pressure of the rear cooler 305 are monitored, a high-precision filter element is assembled in the filter 301, a zero-gas-consumption drainage valve is configured, and the filter 301 is used for outputting nitrogen gas, compressed nitrogen gas is exported to two-stage compression oil spout screw aircraft nose 201, process oil-gas separation core in the oil gas jar 302 filter with the cooling of rear portion cooler 305 gets into through the pipeline filter 301 filters the back, provides the nitrogen gas source of certain purity, certain temperature, certain pressure and uses for the customer, and user experience feels better.
Further, referring to fig. 1, the oil circuit lubrication system includes a first temperature control valve 401, a second temperature control valve 402, an oil cooler 403, a first fuel cut-off valve 404, a second fuel cut-off valve 405, a first oil filter 406 and a second oil filter 407, where the first fuel cut-off valve 404 is respectively connected to the two-stage compression fuel injection screw head 201 and the first oil filter 406 through a pipeline; the second oil cut-off valve 405 is respectively connected with the two-stage compression oil injection screw head 201, the mechanical seal 202 and the second oil filter 407 through pipelines; the first oil filter 406 is respectively connected with the oil cooler 403 and the first temperature control valve 401 through pipelines; the second oil filter 407 is connected to the oil cooler 403 and the second thermo valve 402 by a pipe; the first temperature control valve 401 is respectively connected with the oil gas cylinder 302 and the second temperature control valve 402 through pipelines; the second thermostatic valve 402 is respectively connected with the oil cylinder 302 and the oil cooler 403 through pipelines.
In this embodiment, the first oil shut-off valve 404 is connected to the two-stage compression oil injection screw head 201 and the first oil filter 406 through a pipeline, the second oil shut-off valve 405 is connected to the two-stage compression oil injection screw head 201, the mechanical seal 202 and the second oil filter 407 through a pipeline, the oil shut-off valve can shut off an oil supply path to the mechanical seal 202 when the unit is stopped, the first oil filter 406 is further connected to the first temperature control valve 401 and the oil cooler 403 through a pipeline, a pressure sensor is disposed between the first oil filter 406 and the first temperature control valve 401, the second oil filter 407 is further connected to the second temperature control valve 402 and the oil cooler 403 through a pipeline, a pressure sensor is disposed between the second oil filter 407 and the second temperature control valve 402, the first temperature control valve 401 is further connected to the oil cylinder 302 and the second temperature control valve 402 through a pipeline, the oil cooler 403 cools the oil by inlet and outlet water; so far, electric master controller PLC controls electric ball valve's aperture through detecting fuel feeding pressure, makes the supply the temperature pressure of the lubricating oil of each hydraulic fluid port of two-stage compression oil spout screw rod aircraft nose 201 is all controllable adjustable, first temperature-sensing valve 401 with the proportion of the cold oil of lubricating oil and hot oil can be changed to the second temperature-sensing valve, matches quantity, temperature and the pressure of the required lubricating oil of unit operation often, first fuel cut-off valve 404 with the second fuel cut-off valve 405 can prevent that the lubricating oil of unit when shutting down from flowing in toward the aircraft nose, prevents that the aircraft nose from spitting oil, oil cooler 403 business turn over water configuration temperature pressure sensor, intake configuration servo electric ball valve, can adjust the working capacity according to the temperature that has lubricating oil, make the operation of unit safe and reliable, user experience feels better.
Further, referring to fig. 1, the two-stage compression oil injection screw nitrogen booster compressor equipment further comprises a surplus nitrogen large circulation system, the surplus nitrogen large circulation system comprises a circulation pipeline 501 and a silencer assembly, one end of the circulation pipeline 501 is connected with the nitrogen pipeline 101, and the other end of the circulation pipeline 501 is located between the rear cooler 305 and the filter 301; the muffler assembly is used for maintenance and emptying.
Further, referring to fig. 1, the muffler assembly includes a first muffler 502, a second muffler 503 and a third muffler 504, wherein the first muffler 502 is connected to the intake filter 103 through a pipeline; the second muffler 503 is located between the oil gas cylinder 302 and the rear cooler 305; the third muffler 504 is connected to the intake filter 103 and the oil gas cylinder 302 through pipes.
In this embodiment, one end of the circulation pipeline 501 is connected to the nitrogen pipeline 101, the other end is connected between the filter 301 and the rear cooler 305, and an electric ball valve is disposed on the circulation pipeline 501, when the pressure of nitrogen in the client system exceeds 32bar, the high-pressure nitrogen in the rear pipeline flows back to the front end of the gas storage tank 102, thereby avoiding wasting energy resources due to nitrogen evacuation, the first muffler 502 is connected to the air intake filter 103 through a pipeline, the second muffler 503 is connected to the oil gas cylinder 302 and the rear cooler 305 through a pipeline, and a pressure sensor and a manual ball valve are disposed on the pipeline, the third muffler 504 is connected to the air intake filter 103 and the oil gas cylinder 302 through a pipeline, and a manual needle valve, a manual valve, and a manual ball valve are disposed between the third muffler 504 and the air intake filter 103, The first silencer 502, the second silencer 503 and the third silencer 504 are all made of high-temperature-resistant superfine sound-absorbing glass wool, and the air evacuation noise can be reduced by about 30 decibels.
The two-stage compression oil injection screw nitrogen booster compressor equipment has the advantages that the structure control is simple, the intelligent operation can be realized, the reliability is high, the adaptability is strong, the initial investment and the operation cost are low, the problem that an air inlet piston valve of the nitrogen booster piston compressor is prone to damage due to frequent action is solved, the service life of a unit is prolonged, the maintenance and installation are convenient, the reliability of the equipment and the customer experience degree can be greatly improved, and the requirements of processing equipment, instruments and meters and production process used high-pressure nitrogen at a customer site can be met.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A two-stage compression oil injection screw nitrogen booster compressor device is characterized by comprising an air inlet pressure stabilizing control system, a compression transmission system, an oil-gas separation and nitrogen cooling system and an oil way lubricating system;
the air inlet pressure stabilizing system comprises a nitrogen pipeline, an air storage tank and an air inlet filter, the nitrogen pipeline is connected with the air storage tank, the air inlet filter is connected with the air storage tank through a pipeline, the compression transmission system is connected with the air inlet filter, the oil-gas separation and nitrogen cooling system is respectively connected with the compression transmission system and the air inlet filter, and the oil circuit lubricating system is respectively connected with the compression transmission system and the oil-gas separation and nitrogen air conditioning system.
2. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 1,
the compression transmission system comprises a two-stage compression oil injection screw head, a mechanical seal, a transmission assembly and a permanent magnet variable frequency motor, wherein the two-stage compression oil injection screw head is connected with the air inlet filter through a pipeline; the mechanical seal is connected with the two-stage compression oil injection screw machine head and the transmission assembly, and is positioned between the two-stage compression oil injection screw machine head and the transmission assembly; the permanent magnet variable frequency motor is connected with the transmission assembly and is positioned on one side of the transmission assembly, which is far away from the mechanical seal.
3. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 2,
the oil-gas separation and nitrogen cooling system comprises a filter, an oil-gas cylinder, a minimum pressure valve, an oil return one-way valve and a rear cooler, wherein the oil-gas cylinder is connected with the two-stage compression oil injection screw head through a pipeline, and the oil-gas cylinder is connected with the air inlet filter through a pipeline; the oil return one-way valve is positioned between the oil cylinder and the two-stage compression oil injection screw head; the minimum pressure valve is connected with the oil cylinder; the rear cooler is connected with the minimum pressure valve through a pipeline; the filter is connected with the rear cooler through a pipeline.
4. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 3,
the oil way lubricating system comprises a first temperature control valve, a second temperature control valve, an oil cooler, a first oil cut-off valve, a second oil cut-off valve, a first oil filter and a second oil filter, wherein the first oil cut-off valve is respectively connected with the two-stage compression oil injection screw head and the first oil filter through pipelines; the second oil cut-off valve is respectively connected with the two-stage compression oil injection screw head, the mechanical seal and the second oil filter through pipelines; the first oil filter is respectively connected with the oil cooler and the first temperature control valve through pipelines; the second oil filter is connected with the oil cooler and the second temperature control valve through pipelines; the first temperature control valve is respectively connected with the oil gas cylinder and the second temperature control valve through pipelines; the second temperature control valve is respectively connected with the oil cylinder and the oil cooler through pipelines.
5. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 4,
the two-stage compression oil injection screw nitrogen booster compressor equipment further comprises a redundant nitrogen large circulation system, the redundant nitrogen large circulation system comprises a circulation pipeline and a silencer assembly, one end of the circulation pipeline is connected with the nitrogen pipeline, and the other end of the circulation pipeline is located between the rear cooler and the filter; the muffler assembly is used for maintenance and emptying.
6. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 5,
the silencer assembly comprises a first silencer, a second silencer and a third silencer, and the first silencer is connected with the air inlet filter through a pipeline; the second muffler is located between the oil cylinder and the rear cooler; the third silencer is respectively connected with the air inlet filter and the oil gas cylinder through pipelines.
7. A two-stage compression oil-injected screw nitrogen booster compressor rig as claimed in claim 3,
the compression transmission system further comprises an exhaust check valve, and the exhaust check valve is connected with the two-stage compression oil injection screw head and the oil cylinder through pipelines respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220757219.6U CN217176889U (en) | 2022-04-01 | 2022-04-01 | Two-stage compression oil injection screw nitrogen booster compressor equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220757219.6U CN217176889U (en) | 2022-04-01 | 2022-04-01 | Two-stage compression oil injection screw nitrogen booster compressor equipment |
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| Publication Number | Publication Date |
|---|---|
| CN217176889U true CN217176889U (en) | 2022-08-12 |
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|---|---|---|---|
| CN202220757219.6U Active CN217176889U (en) | 2022-04-01 | 2022-04-01 | Two-stage compression oil injection screw nitrogen booster compressor equipment |
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| CN (1) | CN217176889U (en) |
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2022
- 2022-04-01 CN CN202220757219.6U patent/CN217176889U/en active Active
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