CN205590294U - Nitrogen making machine - Google Patents
Nitrogen making machine Download PDFInfo
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- CN205590294U CN205590294U CN201620186929.2U CN201620186929U CN205590294U CN 205590294 U CN205590294 U CN 205590294U CN 201620186929 U CN201620186929 U CN 201620186929U CN 205590294 U CN205590294 U CN 205590294U
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Abstract
The utility model relates to a nitrogen making machine. This nitrogen making machine includes and the controller and the equipment of making nitrogen still includes the heat preservation cabinet, in the heat preservation cabinet is located to the controller, still is equipped with heating device in the heat preservation cabinet and the temperature -detecting device that is used for detecting temperature in the heat preservation cabinet. When the internal temperature of cabinet is less than zero degree centigrade, open heating device and heat in to the heat preservation cabinet, make the temperature in the heat preservation cabinet rise more than zero degree centigrade, provide suitable operating temperature for the controller, guarantee the stable performance of controller, life -span of extension controller.
Description
Technical field
This utility model belongs to nitrogen preparing technical field, is specifically related to nitrogen making machine.
Background technology
At present, nitrogen making machine generally uses pressure-variable adsorption principle separating-purifying nitrogen from air.Such as, application publication number is CN 102936005 A, and the Chinese patent of entitled a kind of nitrogen making machine and the equipment of making nitrogen discloses a kind of nitrogen making machine.This nitrogen making machine includes air compressor machine, air cleaner, air reservoir, nitrogen oxygen segregation apparatus and the nitrogen buffer tank being sequentially connected.Nitrogen making machine also includes controller.The groundwork process of nitrogen making machine is as follows: controller controls air compressor machine and starts, controller controls air compressor machine provides compressed air, compressed air is after air cleaner, it is stored in air reservoir, controller judges whether the pressure in air reservoir reaches to set pressure, if reaching to set pressure, controller starts nitrogen oxygen segregation apparatus, compressed air in air reservoir enters nitrogen oxygen segregation apparatus, nitrogen enters nitrogen buffer tank, the purity of nitrogen is detected by purity detecting device, controller judges whether to reach to set purity, without reaching, controller controls nitrogen and discharges its exterior, if reaching to set purity, controller controls nitrogen and stops outer row, and control nitrogen buffer tank to user's supply.Nitrogen making machine works sometimes under mal-condition in the wild, and when nitrogen making machine works at low ambient temperatures, the device work of nitrogen making machine such as air compressor machine easily breaks down.In order to allow nitrogen making machine work at low temperatures, heater and temperature detecting unit are set in the lubricating system of air compressor machine, lubricating oil temperature in air compressor lubricating system is detected by temperature detecting unit, according to testing result, controller judges whether the oil temperature of lubricating oil reaches setting value, without reaching setting value, controller controls heater and starts to heat lubricating oil.But, the problem such as in the environment of low temperature or high temperature, nitrogen making machine there will be in running that controller is insensitive, unstable properties, life-span are short.Additionally, to the catalyst of device work (such as air compressor machine) distribution, the relay controlling device work start and stop and various display instrument the most easily to occur damaging.
Utility model content
The purpose of this utility model be to provide nitrogen making machine with solve controller when nitrogen making machine works at low temperatures life-span is short and the technical problem of unstable properties.
The technical scheme of nitrogen making machine in this utility model: nitrogen making machine, including controller and the equipment of making nitrogen, it is characterized in that: also include that thermal insulation cabinet, controller are located in thermal insulation cabinet, be additionally provided with heater in thermal insulation cabinet and for detecting the temperature-detecting device of insulation in-cabinet temperature.
Chiller it is additionally provided with in thermal insulation cabinet.
The end that controls of heater is all connected with controller with the outfan of temperature-detecting device.
The end that controls of chiller is all connected with controller with the outfan of temperature-detecting device.
The equipment of making nitrogen include nitrogen buffer tank and in detecting nitrogen buffer tank the purity detecting device of nitrogen gas purity, the outfan of purity detecting device is connected with controller.
The equipment of making nitrogen includes air compressor machine, it is provided with water trap, the water trap temperature-detecting device of detection water trap temperature and the control end for the water trap heater that water trap is heated, the outfan of water trap temperature-detecting device and water trap heater in air compressor machine to be connected with controller.
The equipment of making nitrogen includes air compressor machine, is provided with the relay for controlling air compressor machine start and stop and/or for the catalyst to air compressor machine distribution in thermal insulation cabinet.
The equipment of making nitrogen include for detect the oxygen of oxygen content in nitrogen buffer tank divide instrument and in detecting nitrogen buffer tank the dew point hygrometer of the water content of nitrogen, oxygen divides instrument and dew point hygrometer to be located in thermal insulation cabinet.
The equipment of making nitrogen includes the drying machine for being dried air source, detects device and for the drying machine heater heating the oil of the oil piping system of drying machine for detecting the dryer temperature of the oil temperature of the oil piping system of drying machine, and the outfan of dryer temperature detection device is all connected with controller with the control end of drying machine heater.
The equipment of making nitrogen includes air compressor machine, for detecting the air compressor machine temperature-detecting device of the oil temperature of the oil piping system of air compressor machine and being connected with controller for the control end of the air compressor machine heater heating the oil of the oil piping system of air compressor machine, the outfan of air compressor machine temperature-detecting device and air compressor machine heater.
Usefulness of the present utility model: nitrogen making machine includes thermal insulation cabinet, controller is located in thermal insulation cabinet, heater and the temperature-detecting device for detecting box body temperature it is additionally provided with in thermal insulation cabinet, when the temperature in cabinet is less than zero degrees celsius, open heater to heat in thermal insulation cabinet, make the temperature in thermal insulation cabinet be raised to more than zero degrees celsius, provide suitable operating temperature to controller, ensure the stable performance of controller, extend the life-span of controller.
Further, in thermal insulation cabinet, it is additionally provided with chiller, when the temperature in thermal insulation cabinet is too high, opens chiller and cool down in thermal insulation cabinet, provide suitable operating temperature to controller, prevent controller from damaging because temperature is too high.
Further, by controller can automatic control heating device, make the temperature in thermal insulation cabinet be not less than zero degrees celsius.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of nitrogen making machine in this utility model；
Fig. 2 is the top view of the embodiment of nitrogen making machine in this utility model；
Fig. 3 is the left view of the embodiment of nitrogen making machine in this utility model；
Fig. 4 is the front view of thermal insulation cabinet in the embodiment of nitrogen making machine in this utility model；
Fig. 5 is the structural representation of the inside of thermal insulation cabinet in the embodiment of nitrogen making machine in utility model.
In figure: 1, air compressor machine；2, air cleaner；3, air reservoir；4, A tower；5, nitrogen buffer tank；6, B tower；7, thermal insulation cabinet；8, dew point hygrometer；9, oxygen divides instrument；10, man machine interface；11, air compressor machine catalyst；12, controller；13, air compressor machine relay；14, heater；15, electromagnetic valve；16, chiller；17, temperature-detecting device；18, instruction button.
Detailed description of the invention
In this utility model, the embodiment of nitrogen making machine is as illustrated in fig. 1 and 2.Nitrogen making machine includes controller 12 and the equipment of making nitrogen.The equipment of making nitrogen includes air compressor machine 1, air cleaner 2, air reservoir 3, nitrogen oxygen segregation apparatus and the nitrogen buffer tank 5 being sequentially connected with.Air compressor machine 1 provides compressed air gas source.Air cleaner 2 includes drying machine and the filter etc. of the impurity such as the moisture for removing in compressed air, dust, greasy dirt.The effect of air reservoir 3 is to ensure that system gas is steady, prevents instant airflow flow velocity too fast when adsorption tower switches, and reduces the air-flow impact to adsorption bed carbon molecular sieve, extends the life-span of carbon molecular sieve.Nitrogen oxygen segregation apparatus includes that two adsorption towers, two adsorption towers are respectively A tower 4 and B tower 6, are provided with carbon molecular sieve in two adsorption towers.Nitrogen making machine includes controller, also includes that thermal insulation cabinet 7, controller 12 are located in thermal insulation cabinet 7, is additionally provided with heater 14, chiller 16 and the temperature-detecting device 17 of temperature in detecting thermal insulation cabinet 7 in thermal insulation cabinet 7.The air compressor machine relay 13 for controlling air compressor machine 1 start and stop it is provided with in thermal insulation cabinet 7, for controlling the drying machine relay of drying machine start and stop, for controlling the nitrogen oxygen separating relay of nitrogen oxygen segregation apparatus start and stop, for controlling the molding machine relay of molding machine start and stop, for the air compressor machine catalyst 11 to air compressor machine 1 distribution, for to the drying machine catalyst of drying machine distribution, for to the nitrogen oxygen separating catalyst of nitrogen oxygen segregation apparatus distribution, for to the molding machine catalyst of molding machine distribution and the man machine interface 10 of controller 12.Air compressor machine relay 13, drying machine relay, nitrogen oxygen separating relay and molding machine relay are that yi word pattern is arranged.Air compressor machine catalyst 11, drying machine catalyst, nitrogen oxygen separating catalyst and molding machine catalyst are also arranged in yi word pattern.Control A tower and B tower carry out multiple electromagnetic valves 15 of nitrogen oxygen separating process and are also located in thermal insulation cabinet 7.Thermal insulation cabinet 7 is provided with instruction button 18.
The equipment of making nitrogen include for detect the oxygen of oxygen content in nitrogen buffer tank 5 divide instrument 9 and in detecting nitrogen buffer tank 5 dew point hygrometer 8 of the water content of nitrogen, oxygen divides instrument 9 and dew point hygrometer 8 to be located in thermal insulation cabinet 7.
The control end of heater 14, the end that controls of chiller 16 are all connected with controller 12 with the outfan of temperature-detecting device 17.Chiller 16 is fan.Temperature in thermal insulation cabinet 7 is detected by temperature-detecting device 17, when the temperature in thermal insulation cabinet 7 is less than 0 degree Celsius, controller 12 controls heater 14 and starts, thermal insulation cabinet 7 is internally heated by heater 14 until the temperature in thermal insulation cabinet 7 is higher than 0 degree Celsius, and controller 12 controls heater 14 and stops；When the temperature in thermal insulation cabinet 7 is higher than 40 degrees Celsius, controller 12 controls chiller 16 and starts, and thermal insulation cabinet 7 carries out chiller 16 cooling until the temperature in thermal insulation cabinet 7 is less than 40 degrees Celsius.
It is equipped with water trap in air compressor machine 1, drying machine and filter, is respectively used to detect the water trap temperature-detecting device of each water trap temperature and for the water trap heater that each water trap is heated, the outfan of water trap temperature-detecting device is connected with controller with the control end of water trap heater, when water trap temperature is less than 0 degree Celsius, controller controls water trap heater and starts.
The equipment of making nitrogen includes the purity detecting device of nitrogen gas purity in detecting nitrogen buffer tank 5, nitrogen buffer tank 5 is provided with the purity nitrogen gas outlet for being connected with user side and for the not purity nitrogen outlet connected with extraneous air, purity nitrogen outlet is provided with purity nitrogen switch valve, purity nitrogen outlet is not provided with not purity nitrogen switch valve, the control end of purity nitrogen switch valve, the end that controls of purity nitrogen switch valve is not all connected with controller 12 with the outfan of purity detecting device, the control end of molding machine is also connected with controller 12, when the nitrogen gas purity in nitrogen buffer tank 5 does not reaches setting purity, controller 12 controls not purity nitrogen switch valve and opens, purity nitrogen switch valve cuts out and molding machine stops, underproof for purity nitrogen is discharged；When the nitrogen gas purity in nitrogen buffer tank 5 reaches to set purity, controller 12 controls not purity nitrogen switch valve cut out, control molding machine starts and purity nitrogen switch valve is opened.
The equipment of making nitrogen includes the dryer temperature detection device of the oil temperature of the oil piping system for detecting drying machine and for the drying machine heater heating the oil of the oil piping system of drying machine, the outfan of dryer temperature detection device is all connected with controller 12 with the control end of drying machine heater, when the oil temperature of the oil piping system of drying machine is less than 0 degree Celsius, controller 12 controls drying machine heater and starts.The equipment of making nitrogen includes the air compressor machine temperature-detecting device of the oil temperature of the oil piping system for detecting air compressor machine 1 and for the air compressor machine heater heating the oil of the oil piping system of air compressor machine 1, the outfan of air compressor machine temperature-detecting device is connected with controller with the control end of air compressor machine heater, when the oil temperature of the oil piping system of air compressor machine 1 is less than 0 degree Celsius, controller 12 controls air compressor machine heater and starts.
The work process of nitrogen making machine is as follows: controller 12 controls air compressor machine 1 and starts, air is compressed into the compressed air of 0.85～0.95MPa after entering air compressor machine 1 after, then compressed air enters air cleaner 2, through drying machine and filter, obtain the compressed air of cleaning, being stored in air reservoir, then the compressed air in air reservoir 3 enters nitrogen oxygen segregation apparatus.During nitrogen oxygen segregation apparatus work, A tower 4 and B tower 6 alternation, during the work of A tower, B tower is in reproduced state, when A tower after hours, be switched to B tower work, A tower regenerates, and during the work of A tower, the carbon molecular sieve in tower is by Oxygen Adsorption, remaining nitrogen enters nitrogen buffer tank 5, after absorption is saturated, automatically switching to the work of B tower, now the oxygen of absorption is discharged to outside system by A tower, realizing regeneration, B tower principle is identical.When the purity of the nitrogen in nitrogen buffer tank 5 does not reaches setting purity, controller 12 controls not purity nitrogen switch valve and opens, and the underproof nitrogen of purity is discharged；When the purity of the nitrogen in nitrogen buffer tank 5 reaches to set purity, purity nitrogen switch valve is opened, and by nitrogen qualified for purity after dust filter unit, then the rear line output of the supercharging through molding machine.
Air reservoir 3 and nitrogen buffer tank 5 equal pressure container use low temperature resistant sheet material to make, and resisting fatigue impact is strong, it is adaptable to the pressure cycle circular wave during pressure-variable adsorption principle nitrogen.Air compressor machine 1 and drying machine etc. all use the type adapting to relatively wide environmental temperature, can work in the range of subzero 40 degrees Celsius to 50 degrees Celsius above freezing.The various valves (such as pneumatic operated valve, stop valve, ball valve) of nitrogen making machine and water trap are also adopted by the product of low temperature resistant work, can under low temperature and hot environment reliable operation.
In this utility model in other embodiments of nitrogen making machine, molding machine can also be replaced by other kinds of supercharger, it is possible to saves molding machine.
In this utility model in other embodiments of nitrogen making machine, fan also can be cooled directly with water the chillers such as pipe and replace.
In this utility model in other embodiments of nitrogen making machine, chiller, temperature-detecting device can also be not attached to controller, by the start and stop of Artificial Control chiller；Heater, temperature-detecting device also can be not attached to controller, by the start and stop of Artificial Control heater.
In this utility model in other embodiments of nitrogen making machine, the air compressor machine in the equipment of making nitrogen, drying machine, filter, nitrogen oxygen segregation apparatus, water trap, oxygen divide one of them or the part such as instrument, dew point hygrometer, air compressor machine relay, drying machine relay, nitrogen oxygen separating relay, molding machine relay, air compressor machine catalyst, drying machine catalyst, nitrogen oxygen separating catalyst, molding machine catalyst, not purity nitrogen switch valve and purity nitrogen switch valve to be connected with controller.
In this utility model in other embodiments of nitrogen making machine, can save chiller, thermal insulation cabinet relies on air natural cooling.
Claims (10)
1. nitrogen making machine, including controller and the equipment of making nitrogen, it is characterised in that: also including thermal insulation cabinet, controller is located in thermal insulation cabinet, is additionally provided with heater and for detecting the temperature-detecting device of insulation in-cabinet temperature in thermal insulation cabinet.
Nitrogen making machine the most according to claim 1, it is characterised in that: it is additionally provided with chiller in thermal insulation cabinet.
Nitrogen making machine the most according to claim 1, it is characterised in that: the end that controls of heater is all connected with controller with the outfan of temperature-detecting device.
Nitrogen making machine the most according to claim 2, it is characterised in that: the end that controls of chiller is all connected with controller with the outfan of temperature-detecting device.
Nitrogen making machine the most according to claim 1, it is characterised in that: the equipment of making nitrogen include nitrogen buffer tank and in detecting nitrogen buffer tank the purity detecting device of nitrogen gas purity, the outfan of purity detecting device is connected with controller.
Nitrogen making machine the most according to claim 1, it is characterized in that: the equipment of making nitrogen includes air compressor machine, it is provided with water trap, the water trap temperature-detecting device of detection water trap temperature and the control end for the water trap heater that water trap is heated, the outfan of water trap temperature-detecting device and water trap heater in air compressor machine to be connected with controller.
Nitrogen making machine the most according to claim 1, it is characterised in that: the equipment of making nitrogen includes air compressor machine, is provided with the relay for controlling air compressor machine start and stop and/or for the catalyst to air compressor machine distribution in thermal insulation cabinet.
Nitrogen making machine the most according to claim 1, it is characterised in that: the equipment of making nitrogen include for detect the oxygen of oxygen content in nitrogen buffer tank divide instrument and in detecting nitrogen buffer tank the dew point hygrometer of nitrogen water content, oxygen divides instrument and dew point hygrometer to be located in thermal insulation cabinet.
Nitrogen making machine the most according to claim 1, it is characterized in that: the equipment of making nitrogen includes the drying machine for being dried air source, detects device and for the drying machine heater heating the oil of the oil piping system of drying machine for detecting the dryer temperature of the oil temperature of the oil piping system of drying machine, and the outfan of dryer temperature detection device is all connected with controller with the control end of drying machine heater.
Nitrogen making machine the most according to claim 1, it is characterized in that: the equipment of making nitrogen includes air compressor machine, for detecting the air compressor machine temperature-detecting device of the oil temperature of the oil piping system of air compressor machine and being connected with controller for the control end of the air compressor machine heater heating the oil of the oil piping system of air compressor machine, the outfan of air compressor machine temperature-detecting device and air compressor machine heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186929.2U CN205590294U (en) | 2016-03-11 | 2016-03-11 | Nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620186929.2U CN205590294U (en) | 2016-03-11 | 2016-03-11 | Nitrogen making machine |
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| CN205590294U true CN205590294U (en) | 2016-09-21 |
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| CN201620186929.2U Active CN205590294U (en) | 2016-03-11 | 2016-03-11 | Nitrogen making machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565286A (en) * | 2016-03-11 | 2016-05-11 | 凯迈（洛阳）气源有限公司 | Nitrogen making machine |
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- 2016-03-11 CN CN201620186929.2U patent/CN205590294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565286A (en) * | 2016-03-11 | 2016-05-11 | 凯迈（洛阳）气源有限公司 | Nitrogen making machine |
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