CN213360434U - Cooling system for screw air compression system - Google Patents
Cooling system for screw air compression system Download PDFInfo
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- CN213360434U CN213360434U CN202021949064.3U CN202021949064U CN213360434U CN 213360434 U CN213360434 U CN 213360434U CN 202021949064 U CN202021949064 U CN 202021949064U CN 213360434 U CN213360434 U CN 213360434U
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Abstract
The utility model discloses a cooling system that screw air compression system used, mainly by the air compression host computer, the oil divides the bucket, cooler and temperature-sensing valve constitution circulation circuit, the temperature-sensing valve is the cross valve, be equipped with hot oil import on the temperature-sensing valve, hot oil export, cold oil import and cold oil export, the oil gas export of air compression host computer and the oil gas access connection of oil branch bucket, the lubricating oil export of oil branch bucket and the hot oil access connection of temperature-sensing valve, the hot oil export of temperature-sensing valve is connected with the oil inlet of cooler, the oil-out of cooler and the cold oil access connection of temperature-sensing valve, the cold oil export of temperature-sensing valve and the lubricating oil access connection of air compression host computer. The cooling system is provided for the screw type air compression system, the system principle is simple, the equipment transformation cost is low, the relation between the temperature of the lubricating oil and the energy consumption required by cooling can be well balanced, and the energy consumption required by cooling is reduced to a great extent on the premise of ensuring the temperature of the lubricating oil to be proper, so that the purposes of environmental protection and energy saving are achieved.
Description
Technical Field
The utility model relates to an air compressor technical field, in particular to cooling system that screw air compression system used.
Background
Screw air compression systems have become increasingly popular for use as one of the power gas supply devices in modern plants. In the screw air compression system, lubricating oil is recycled, namely oil gas generated by the air compression main machine is separated by the separation device to form compressed air and lubricating oil, and the lubricating oil can be sent back to the air compression main machine for recycling. There are two common ways currently used: the first mode is to directly send back lubricating oil to the air compression host computer service function, and under this condition, because the lubricating oil after retrieving still has higher temperature generally, if the air compression host computer uses under this high temperature for a long time, not only cause equipment trouble (such as phenomenon such as sealing member ageing, lubricating oil gelation) itself easily, the operating efficiency is low, threatens whole air compression system's safe and stable operation moreover easily. The second mode is that the lubricating oil obtained by separation is firstly sent into the cooler to be cooled and then sent back to the air compression main machine to be used, although the mode can effectively reduce the temperature of the lubricating oil, the phenomenon of equipment failure caused by overhigh temperature is avoided, the cooling capacity of the lubricating oil is very large, a high-power cooler needs to be equipped, the energy consumption required by cooling is large, the purposes of environmental protection and energy saving cannot be achieved, meanwhile, the equipment cost is also high, and the control of the production cost is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a cooling system that screw air compression system used, and this system principle is simple, but can well balance the relation between lubricating oil temperature and the required energy consumption of cooling, under the prerequisite that the assurance lubricating oil temperature is suitable, the great degree reduces the required energy consumption of cooling to reach environmental protection and energy saving's purpose.
The technical scheme of the utility model is that: a cooling system for a screw type air compression system mainly comprises an air compression host machine, an oil separating barrel, a cooler and a temperature control valve, wherein the temperature control valve is a four-way valve, the temperature control valve is provided with a hot oil inlet, a hot oil outlet, a cold oil inlet and a cold oil outlet, the oil gas outlet of the air compression host machine is connected with the oil gas inlet of the oil separating barrel, the lubricating oil outlet of the oil separating barrel is connected with the hot oil inlet of the temperature control valve, the hot oil outlet of the temperature control valve is connected with the oil inlet of the cooler, the oil outlet of the cooler is connected with the cold oil inlet of the temperature control valve, and the cold oil outlet of the temperature control valve is connected with the lubricating oil inlet of the. In this cooling system, utilize the temperature-sensing valve earlier to detect the back to the temperature of lubricating oil, confirm again whether need to cool off the recycle after to lubricating oil to the cooling capacity of accurate control lubricating oil guarantees simultaneously that recycle's lubricating oil temperature is suitable, guarantees the normal operating of air compression host computer.
And a temperature control element for detecting the oil temperature at the hot oil inlet in real time is arranged in the temperature control valve. The temperature control element is used for detecting the oil temperature at the hot oil inlet in real time, when the oil temperature does not exceed a set value, the lubricating oil does not need to be cooled, the hot oil outlet is closed, and the lubricating oil is directly sent to the air compression host machine from the cold oil outlet; and when the oil temperature reaches or exceeds a set value, a hot oil outlet is opened, and the lubricating oil is conveyed to a cooler from the hot oil outlet for cooling.
The critical temperature of the temperature control element in the temperature control valve is 70 ℃. According to the actual requirement of the air compression host, the user can adjust and set the critical temperature.
The temperature control valve is a four-way temperature control valve with an oil filter arranged inside. Lubricating oil filters through oil filter earlier before the export of cold oil export, can effectively avoid impurity entering air compression host computer and influence the normal operating of equipment.
The cooler is an air-cooled cooler with double cooling channels, a lubricating oil cooling channel and a compressed air cooling channel which are mutually independent are arranged in the cooler, a compressed air outlet on the oil separation barrel is connected with an inlet end of the compressed air channel of the cooler, and an oil inlet and an oil outlet of the cooler are respectively arranged at two ends of the lubricating oil channel.
In the cooler, the lubricating oil cooling channel and the compressed air cooling channel are arranged in parallel, the fan assembly is arranged on the outer side of the lubricating oil cooling channel and/or the compressed air cooling channel, and the air outlet direction of the fan assembly is perpendicular to the flowing direction of the lubricating oil and the compressed air.
Utilize the cooler of above-mentioned structure, can cool off lubricating oil and compressed air respectively simultaneously, its cooling efficiency is high, simultaneously, carries out lubricating oil and compressed air's cooling in same cooler, and reducible cooler's use simplifies whole air compression system's equipment structure, avoids a large amount of pipe usages and occupies a large amount of installation area, makes whole air compression system's structure compacter.
The air compression main machine, the oil separation barrel, the cooler and the temperature control valve are connected through pipelines. Stainless steel tubes or hoses may be used for the connections depending on the actual requirements of the air compression system.
The oil separating barrel is a separating device with a built-in filter element and comprises an outer barrel body, an inner barrel, the filter element, an upper cover and a mounting and fixing ring, wherein the inner barrel is arranged inside the outer barrel body, the filter element is arranged in the inner barrel, the upper end of the outer barrel body and the upper end of the inner barrel are respectively and fixedly connected with the bottom surface of the mounting and fixing ring, the top surface of the mounting and fixing ring is provided with an inwards-concave annular surface, the upper end of the filter element is provided with an installation part extending towards the periphery, the installation part is embedded on the annular surface, and the upper cover is tightly pressed; the lateral wall of outer barrel is equipped with oil gas import and lubricating oil export, and the upper cover is equipped with the compressed air export. Wherein, form the separation structure of first order between outer barrel and the inner tube, form the separation structure of second level between filter core and the inner tube, the lubricating oil that obtains after the separation subsides in the bottom of outer barrel, then stretch out and send out to the temperature-sensing valve by the pipeline of lubricating oil outlet to outer barrel bottom, and the compressed air that obtains after the separation is sent out to the cooler from the compressed air exit on the upper cover. The mounting fixing ring is mainly used for fixedly mounting the outer barrel and the inner barrel, and simultaneously provides a stable mounting platform for the filter element, so that the stability of the structure of the gas-liquid separation device is ensured.
The side wall of the inner cylinder is inclined. The inner cylinder is integrally in a micro-horn shape arranged from top to bottom, the inclined side wall of the inner cylinder has a good flow guiding effect on oil gas entering the gas-liquid separation device, and lubricating oil contained in the oil gas gradually flows along the side wall and then descends to the bottom of the outer cylinder body after attaching to the side wall of the inner cylinder.
The filter element can be installed and used by selecting the following two different structural forms:
(1) the filter element is of an integrated structure, and the mounting part is a circular ring which is formed by directly extending the upper end of the filter element to the periphery;
(2) the filter core is cylindric structure, and the upper end of filter core is equipped with the hoop, and the hoop upper end extends to the periphery and forms the installation department, and the filter core passes through the hoop and presss from both sides tight fixed mounting.
When the cooling system for the screw type air compression system is used, the principle is as follows: after the air compression is carried out by the air compression main machine, the formed oil-gas mixture is sent out to the oil-gas separation barrel through an oil-gas outlet of the air compression main machine, and the oil-gas mixture is separated by the oil-gas separation barrel to form lubricating oil and compressed air; directly sending the compressed air obtained after separation into a cooler for cooling and sending out to external gas equipment; the separated lubricating oil passes through a temperature control valve, the temperature control valve detects the oil temperature in real time, when the oil temperature is not more than a set value, the lubricating oil does not need to be cooled, a hot oil outlet is closed at the moment, the lubricating oil is filtered by an oil filter in the temperature control valve and then is directly conveyed to an air compression host machine from a cold oil outlet, when the oil temperature reaches or exceeds the set value, the hot oil outlet is opened at the moment, the lubricating oil is conveyed to a cooler from the hot oil outlet for cooling, the cooled lubricating oil enters the temperature control valve from a cold oil inlet, is filtered by the oil filter in the temperature control valve and then is conveyed to the air compression host machine from the cold oil outlet, and therefore the lubricating oil can.
Compared with the prior art, the utility model, following beneficial effect has:
this cooling system is proposed to screw air compression system, and the system principle is simple, and equipment transformation is with low costs, can well balance the relation between lubricating oil temperature and the required energy consumption of cooling, under the prerequisite that the lubricating oil temperature is suitable guaranteeing, the required energy consumption of great degree reduction cooling to reach environmental protection and energy saving's purpose, also can play fine guard action to the air compression host computer simultaneously, provide the guarantee for air compression system's normal operating.
In this cooling system, adopt the built-in four-way temperature-sensing valve that has oil filter, no matter be the direct lubricating oil that sends out or through refrigerated lubricating oil, all can filter through oil filter earlier before cold oil export output, can effectively avoid impurity entering air compression host computer and influence the normal operating of equipment.
In this cooling system, adopt two cooling channel's air-cooled cooler, can cool off lubricating oil and compressed air respectively simultaneously, its cooling efficiency is high, simultaneously, carry out lubricating oil and compressed air's cooling in same cooler, reducible cooler's use simplifies whole air compression system's equipment structure, avoids a large amount of pipe uses and occupies a large amount of installation area, makes whole air compression system's structure compacter, reduction equipment cost.
In the cooling system, the oil separation barrel with the built-in filter element is adopted, the oil separation barrel structure can be simplified, the height of the oil separation barrel is reduced, the installation structure of the filter element is stable and reliable, the service life is long, meanwhile, the separation efficiency can be effectively improved by utilizing the inclined structure of the outer wall of the inner barrel, and a good foundation is provided for the stable operation of the whole cooling system.
Drawings
FIG. 1 is a schematic diagram of a cooling system for the present screw air compression system.
Fig. 2 is a schematic structural diagram of an oil drum in a cooling system.
In the above figures, the components indicated by the respective reference numerals are as follows: 1 is a compression host, 1-1 is an oil gas outlet, 1-2 is a lubricating oil inlet, 2 is an oil barrel, 2-1 is an oil gas inlet, 2-2 is a lubricating oil outlet, 2-3 is a compressed air outlet, 3 is a cooler, 3-1 is an oil inlet, 3-2 is an oil outlet, 3-3 is an air inlet, 3-4 is an air outlet, 4 is a temperature control valve, 4-1 is a hot oil inlet, 4-2 is a hot oil outlet, 4-3 is a cold oil inlet, 4-4 is a cold oil outlet, 5 is an oil filter, 6 is a lubricating oil cooling channel, 7 is a compressed air cooling channel, and 8 is a fan assembly;
9 is an outer cylinder body, 10 is an inner cylinder body, 11 is a filter element, 12 is an upper cover, and 13 is an installation fixing ring.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
In the cooling system for a screw air compression system of the present embodiment, as shown in fig. 1, a circulation loop is mainly composed of an air compression main unit 1, an oil separation tank 2, a cooler 3, and a thermo valve 4. The specific structure of each component is as follows:
the temperature control valve is a four-way valve, a hot oil inlet 4-1, a hot oil outlet 4-2, a cold oil inlet 4-3 and a cold oil outlet 4-4 are arranged on the temperature control valve, an oil gas outlet 1-1 of the air compression main machine is connected with an oil gas inlet 2-1 of the oil separation barrel, a lubricating oil outlet 2-2 of the oil separation barrel is connected with the hot oil inlet of the temperature control valve, the hot oil outlet of the temperature control valve is connected with an oil inlet 3-1 of the cooler, an oil outlet 3-2 of the cooler is connected with the cold oil inlet of the temperature control valve, and the cold oil outlet of the temperature control valve is connected with the lubricating oil inlet 1-2 of the air compression. In this cooling system, utilize the temperature-sensing valve earlier to detect the back to the temperature of lubricating oil, confirm again whether need to cool off the recycle after to lubricating oil to the cooling capacity of accurate control lubricating oil guarantees simultaneously that recycle's lubricating oil temperature is suitable, guarantees the normal operating of air compression host computer.
Wherein, the temperature control valve is internally provided with a temperature control element for detecting the oil temperature at the hot oil inlet in real time, and the temperature control valve is a four-way temperature control valve internally provided with an oil filter 5. The temperature control element is used for detecting the oil temperature at the hot oil inlet in real time, when the oil temperature does not exceed a set value, the lubricating oil does not need to be cooled, the hot oil outlet is closed, and the lubricating oil is directly sent to the air compression host machine from the cold oil outlet; and when the oil temperature reaches or exceeds a set value, a hot oil outlet is opened, and the lubricating oil is conveyed to a cooler from the hot oil outlet for cooling. Lubricating oil filters through oil filter earlier before the export of cold oil export, can effectively avoid impurity entering air compression host computer and influence the normal operating of equipment. In this embodiment, the critical temperature of the temperature control element in the temperature control valve is 70 ℃. According to the actual requirement of the air compression host, the user can adjust and set the critical temperature.
As shown in figure 1, the cooler is an air-cooled cooler with double cooling channels, a lubricating oil cooling channel 6 and a compressed air cooling channel 7 which are mutually independent are arranged in the cooler, a compressed air outlet 2-3 on the oil separation barrel is connected with an inlet end 3-3 of the compressed air channel of the cooler, an outlet end 3-4 of the compressed air channel is arranged at the other end of the cooler, and the two ends of the lubricating oil channel are respectively an oil inlet and an oil outlet of the cooler. In the cooler, lubricating oil cooling channel and compressed air cooling channel parallel arrangement, the outside of lubricating oil cooling channel and/or compressed air cooling channel is equipped with fan assembly 8, and fan assembly's air-out direction is mutually perpendicular with lubricating oil, compressed air's flow direction. Utilize the cooler of above-mentioned structure, can cool off lubricating oil and compressed air respectively simultaneously, its cooling efficiency is high, simultaneously, carries out lubricating oil and compressed air's cooling in same cooler, and reducible cooler's use simplifies whole air compression system's equipment structure, avoids a large amount of pipe usages and occupies a large amount of installation area, makes whole air compression system's structure compacter.
The air compression main engine, the oil separation barrel, the cooler and the temperature control valve are connected with each other through pipelines (as shown in the pipeline arrangement in figure 1). Stainless steel tubes or hoses may be used for the connections depending on the actual requirements of the air compression system.
As shown in fig. 2, the oil separating barrel is a separating device with a built-in filter element, and comprises an outer barrel 9, an inner barrel 10, a filter element 11, an upper cover 12 and a mounting and fixing ring 13, wherein the inner barrel is arranged inside the outer barrel, the filter element is arranged in the inner barrel, the upper end of the outer barrel and the upper end of the inner barrel are respectively and fixedly connected with the bottom surface of the mounting and fixing ring, the top surface of the mounting and fixing ring is provided with a concave annular surface, the upper end of the filter element is provided with a mounting part extending towards the periphery, the mounting part is embedded on the annular surface, and the upper cover is tightly pressed on; the side wall of the outer cylinder body is provided with an oil gas inlet 2-1 and a lubricating oil outlet 2-2, and the upper cover is provided with a compressed air outlet 2-3. Wherein, form the separation structure of first order between outer barrel and the inner tube, form the separation structure of second level between filter core and the inner tube, the lubricating oil that obtains after the separation subsides in the bottom of outer barrel, then stretch out and send out to the temperature-sensing valve by the pipeline of lubricating oil outlet to outer barrel bottom, and the compressed air that obtains after the separation is sent out to the cooler from the compressed air exit on the upper cover. The mounting fixing ring is mainly used for fixedly mounting the outer barrel and the inner barrel, and simultaneously provides a stable mounting platform for the filter element, so that the stability of the structure of the gas-liquid separation device is ensured. Wherein, the side wall of the inner cylinder is inclined. The inner cylinder is integrally in a micro-horn shape arranged from top to bottom, the inclined side wall of the inner cylinder has a good flow guiding effect on oil gas entering the gas-liquid separation device, and lubricating oil contained in the oil gas gradually flows along the side wall and then descends to the bottom of the outer cylinder body after attaching to the side wall of the inner cylinder. The filter element can be installed and used by selecting one of the following structural forms: (1) the filter element is of an integrated structure, and the mounting part is a circular ring which is formed by directly extending the upper end of the filter element to the periphery; (2) the filter core is cylindric structure, and the upper end of filter core is equipped with the hoop, and the hoop upper end extends to the periphery and forms the installation department, and the filter core passes through the hoop and presss from both sides tight fixed mounting.
When the cooling system for the screw type air compression system is used, the principle is as follows: after the air compression is carried out by the air compression main machine, the formed oil-gas mixture is sent out to the oil-gas separation barrel through an oil-gas outlet of the air compression main machine, and the oil-gas mixture is separated by the oil-gas separation barrel to form lubricating oil and compressed air; directly sending the compressed air obtained after separation into a cooler for cooling and sending out to external gas equipment; the separated lubricating oil passes through a temperature control valve, the temperature control valve detects the oil temperature in real time, when the oil temperature is not more than a set value, the lubricating oil does not need to be cooled, a hot oil outlet is closed at the moment, the lubricating oil is filtered by an oil filter in the temperature control valve and then is directly conveyed to an air compression host machine from a cold oil outlet, when the oil temperature reaches or exceeds the set value, the hot oil outlet is opened at the moment, the lubricating oil is conveyed to a cooler from the hot oil outlet for cooling, the cooled lubricating oil enters the temperature control valve from a cold oil inlet, is filtered by the oil filter in the temperature control valve and then is conveyed to the air compression host machine from the cold oil outlet, and therefore the lubricating oil can.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. A cooling system for a screw type air compression system is characterized by mainly comprising an air compression main machine, an oil sub-barrel, a cooler and a temperature control valve, wherein the temperature control valve is a four-way valve, the temperature control valve is provided with a hot oil inlet, a hot oil outlet, a cold oil inlet and a cold oil outlet, the oil gas outlet of the air compression main machine is connected with the oil gas inlet of the oil sub-barrel, the lubricating oil outlet of the oil sub-barrel is connected with the hot oil inlet of the temperature control valve, the hot oil outlet of the temperature control valve is connected with the oil inlet of the cooler, the oil outlet of the cooler is connected with the cold oil inlet of the temperature control valve, and the cold oil outlet of the temperature control valve is connected with the lubricating oil inlet.
2. The cooling system of claim 1, wherein said temperature control valve includes a temperature control element for real-time sensing of oil temperature at the hot oil inlet.
3. The cooling system of claim 2, wherein the critical temperature of the temperature control element in the thermostatic valve is 70 ℃.
4. The cooling system of claim 1, wherein the thermostatic valve is a four-way thermostatic valve with an oil filter built in.
5. The cooling system of claim 1, wherein the cooler is a double-cooling-channel air-cooled cooler, the cooler is provided with a lubricating oil cooling channel and a compressed air cooling channel which are independent of each other, a compressed air outlet of the oil separation barrel is connected with an inlet end of the compressed air channel of the cooler, and two ends of the lubricating oil channel are respectively an oil inlet and an oil outlet of the cooler.
6. The cooling system for a screw air compression system as claimed in claim 5, wherein the cooling oil passage and the compressed air cooling passage are disposed in parallel in the cooler, and a fan assembly is disposed outside the cooling oil passage and/or the compressed air cooling passage, and the air outlet direction of the fan assembly is perpendicular to the flow direction of the lubricating oil and the compressed air.
7. The cooling system of claim 1, wherein the air compressor main unit, the oil drum, the cooler and the thermo valve are connected by a pipeline.
8. The cooling system for the screw air compression system according to claim 1, wherein the oil drum is a separation device with a built-in filter element, and comprises an outer drum body, an inner drum, a filter element, an upper cover and a mounting and fixing ring, the inner drum is arranged inside the outer drum body, the filter element is arranged in the inner drum, the upper end of the outer drum body and the upper end of the inner drum are respectively and fixedly connected with the bottom surface of the mounting and fixing ring, the top surface of the mounting and fixing ring is provided with a concave annular surface, the upper end of the filter element is provided with a mounting part extending towards the periphery, the mounting part is embedded in the annular surface, and the upper cover is tightly pressed on the top surfaces of the filter element; the lateral wall of outer barrel is equipped with oil gas import and lubricating oil export, and the upper cover is equipped with the compressed air export.
9. The cooling system for a screw air compression system of claim 8, wherein the sidewall of the inner barrel is sloped.
10. The cooling system for a screw air compression system of claim 8, wherein the filter element is a one-piece structure, and the mounting portion is a circular ring formed by directly extending the upper end of the filter element to the periphery; or the filter core is cylindric structure, and the upper end of filter core is equipped with the hoop, and the hoop upper end extends to the periphery and forms the installation department, and the filter core passes through the hoop and presss from both sides tight fixed mounting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949064.3U CN213360434U (en) | 2020-09-08 | 2020-09-08 | Cooling system for screw air compression system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949064.3U CN213360434U (en) | 2020-09-08 | 2020-09-08 | Cooling system for screw air compression system |
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| CN213360434U true CN213360434U (en) | 2021-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221123A (en) * | 2023-02-22 | 2023-06-06 | 广东标顶技术股份有限公司 | Coarse-separation barrel cover of air compressor |
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2020
- 2020-09-08 CN CN202021949064.3U patent/CN213360434U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221123A (en) * | 2023-02-22 | 2023-06-06 | 广东标顶技术股份有限公司 | Coarse-separation barrel cover of air compressor |
| CN116221123B (en) * | 2023-02-22 | 2024-04-19 | 广东标顶技术股份有限公司 | Coarse-separation barrel cover of air compressor |
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