CN214171021U - Hydraulic oil circulative cooling system - Google Patents
Hydraulic oil circulative cooling system Download PDFInfo
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- CN214171021U CN214171021U CN202023260159.7U CN202023260159U CN214171021U CN 214171021 U CN214171021 U CN 214171021U CN 202023260159 U CN202023260159 U CN 202023260159U CN 214171021 U CN214171021 U CN 214171021U
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Abstract
The utility model belongs to the technical field of the casting equipment is supporting, especially, relate to a hydraulic oil circulative cooling system, the high temperature hydraulic oil of hydraulic power unit output passes through hydraulic oil circulating device and will cool off the hydraulic oil circulation and return in hydraulic power unit under vapor compression refrigerating plant's refrigeration heat exchange effect, the utility model provides a prior art exist because the cooling water is not up to standard and corrode the cooler spacer to lead to the oil-water mixture, and then damage the problem of hydraulic components and parts, have safe and reliable, maintenance cost low, simple suitable, maintain simple beneficial technological effect.
Description
Technical Field
The utility model belongs to the technical field of the casting equipment is supporting, especially, relate to a hydraulic oil circulative cooling system.
Background
The foundry is a dusty and hot environment, and the losses of the hydraulic system are all converted into heat, and the heat is mostly used for raising the temperature of the oil except for being partially dissipated to the surrounding space through an oil tank, a pipeline and the like. The normal operation of the hydraulic system is seriously influenced by the overhigh temperature of the oil. Therefore, the limitation of the oil temperature of the hydraulic pump station is necessary, and the temperature rise of the oil is limited by adopting two types of coolers, namely air cooling and water cooling, on the fixed equipment driven by the hydraulic pump station, so that the working requirement of a hydraulic system is met. The air-cooled water cooler is obviously not suitable for an air-cooled mode in dusty and hot environments, so water-cooled cooling is generally adopted, the main modes of the water-cooled water cooler comprise a multi-pipe type cooler, a plate type cooler, a fin type cooler and the like, the cooler utilizes the convection of cooling water and hydraulic oil to carry out heat exchange, although the cooler has the advantages of small volume, high cooling capacity and the like, the cooler has the non-negligible defects of high requirement on cooling water quality, high cooling water maintenance cost and the like, and the prior art has the problem that the oil and water are mixed due to the fact that the cooling water does not reach the standard and erodes a spacer of the cooler, and further hydraulic components are damaged.
Disclosure of Invention
The utility model provides a hydraulic oil circulative cooling system to it has been provided in solving above-mentioned background art and has existed because the cooling water is not up to standard and corrode the cooler spacer, thereby leads to the oil-water to mix, and then damages the problem of hydraulic components and parts.
The utility model provides a technical problem adopt following technical scheme to realize: a hydraulic oil circulating cooling system comprises a hydraulic oil refrigerating circulating system, wherein the hydraulic oil refrigerating circulating system comprises an oil cooler, the oil cooler comprises a steam compression refrigerating device and a hydraulic oil circulating device, the input of the hydraulic oil circulating device is connected with a hydraulic oil outlet of a hydraulic pump station, the output of the hydraulic oil circulating device is connected with the steam compression refrigerating device, the output of the steam compression refrigerating device is connected with a hydraulic oil inlet of the hydraulic pump station, and high-temperature hydraulic oil output by the hydraulic pump station circulates and returns to the hydraulic pump station under the refrigeration heat exchange effect of the steam compression refrigerating device through the hydraulic oil circulating device;
the vapor compression refrigerating device comprises a refrigerant closed circulating system, the refrigerant closed circulating system comprises a compressor, the output of the compressor is connected with a condenser, the output of the condenser is connected with a throttling component, the output of the throttling component is connected with an evaporator, the output of the evaporator is connected with the compressor, and a refrigerant is used as a circulating refrigerant in the refrigerant closed circulating system;
the refrigeration heat exchange of the vapor compression refrigeration device is non-contact heat exchange of a refrigerant and hydraulic oil.
Furthermore, the hydraulic oil refrigeration circulating system replaces a hydraulic oil-water circulating system under the condition of power matching to independently finish cooling of the high-temperature hydraulic oil or is matched with the hydraulic oil-water circulating system to finish cooling of the high-temperature hydraulic oil.
Furthermore, all parts in the refrigerant circulating system are connected through copper pipes.
Furthermore, the refrigerant circularly injected into the refrigerant circulating system is Freon.
Furthermore, the hydraulic oil refrigeration cycle system is externally connected with a hydraulic oil tank of a hydraulic pump station, and the hydraulic oil tank of the hydraulic pump station is respectively provided with a hydraulic oil inlet, a hydraulic oil outlet and corresponding oil pipes.
The beneficial technical effects are as follows:
1. the patent adopts hydraulic oil refrigeration cycle system includes the oil cold machine, the oil cold machine includes vapor compression refrigerating plant and hydraulic oil circulating device, hydraulic oil circulating device input connection is in hydraulic pump station's hydraulic oil export, and its output connection is in vapor compression refrigerating plant, vapor compression refrigerating plant output connection is in hydraulic pump station's hydraulic oil entry, the high temperature hydraulic oil of hydraulic pump station output passes through hydraulic oil circulating device and returns cooling hydraulic oil circulation in hydraulic pump station under vapor compression refrigerating plant's refrigeration heat exchange effect, vapor compression refrigerating plant includes refrigerant closed cycle system, refrigerant closed cycle system includes the compressor, compressor output connection is in the condenser, condenser output connection is in throttling part, throttling part output connection is in the evaporimeter, evaporimeter output connection is in the compressor, a refrigerant is used as a circulating refrigerant in the refrigerant closed circulating system; the vapor compression refrigerating device is characterized in that the refrigerating heat exchange of the vapor compression refrigerating device is non-contact heat exchange of a refrigerant and hydraulic oil, and the principle of the scheme is integration of a vapor compression refrigerating system and a pump station cooling circulating system, the pump station cooling circulating system establishes a set of hydraulic oil circulation outside a hydraulic system to exchange heat between hot oil and a cooling medium, so that the temperature of the hydraulic system is reduced, and the vapor compression refrigerating system is composed of four basic parts, namely a compressor, a condenser, a throttling part and an evaporator. The four large pieces are connected into a closed system by a copper pipe according to a certain sequence, and a certain amount of refrigerant is filled in the system. Through compression-condensation-throttling-evaporation repeated circulation, the refrigerant continuously takes away heat, thereby reducing the temperature, the realization of the system is the cooling circulation outside the hydraulic system, high-temperature hydraulic oil in the system is pumped into an oil cooler containing the cooling system, low-temperature hydraulic oil is sent back to a hydraulic pump station after refrigeration and heat exchange, the problem that a spacer of a cooler is corroded by cooling water which does not reach the standard is avoided due to non-contact heat exchange of the refrigerant and the hydraulic oil, the partition of the cooler is not damaged due to the fact that the closed cooling system cannot enter redundant corrosive impurities, oil-water mixing is caused, meanwhile, the refrigerant and the oil can be quickly volatilized, loss cannot be enlarged, hydraulic components are effectively prevented from being damaged, and in all words, the system provides a safe and reliable cooling mode with low maintenance cost for a client for the pump station.
2. This patent adopts hydraulic oil refrigerating cycle system replaces hydraulic pressure oil water circulating system under the power matching condition and independently accomplishes or cooperate the cooling that hydraulic pressure oil water circulating system combined and accomplished high temperature hydraulic oil, because this system needn't establish special cooling tower, the water quality management of cooling water for the pump station cooling, because low and needn't establish open or closed cooling tower of input cost for this system is the novel cooling means of maintenance cost low, consequently brings the reduction of cost and the convenient benefit of use for customer and supplier.
3. According to the refrigerant refrigeration system, all parts in the refrigerant circulation system are connected through copper pipes, a refrigerant injected in the refrigerant circulation system is Freon, the hydraulic oil refrigeration circulation system is externally connected with a hydraulic oil tank of a hydraulic pump station, the hydraulic oil tank of the hydraulic pump station is respectively provided with a hydraulic oil inlet, a hydraulic oil outlet and corresponding oil pipes, and the refrigerant is commonly used Freon, is volatile and soluble in mineral oil, so that even if a cooler is damaged, the refrigerant and oil can be quickly volatilized when mixed, and the loss can not be enlarged, so that damage to hydraulic components is avoided; the oil cooling machine only adds a refrigeration system, can replace cooling water circulation only by matching power with the pump station cooling circulation system of the original design, has the characteristics of simplicity and applicability, and has the characteristic of simple maintenance because the regular detection, adjustment and maintenance of water quality are not required.
4. The cooling tower is suitable for the dusty and hot severe environment, and an open or closed cooling tower does not need to be established due to low input cost.
Drawings
FIG. 1 is a schematic diagram of a hydraulic oil circulating cooling system according to the present invention;
FIG. 2 is a schematic diagram of a vapor compression refrigeration device of a hydraulic oil circulating cooling system according to the present invention;
fig. 3 is a schematic structural diagram of the vapor compression refrigeration device of the hydraulic oil circulating cooling system of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
in the figure: the method comprises the following steps of 1-hydraulic oil refrigeration circulation system, 2-oil cooler, 3-hydraulic pump station, 401-vapor compression refrigeration device, 402-hydraulic oil circulation device, 5-compressor, 6-condenser, 7-throttling component, 8-evaporator and 9-vapor compression refrigeration device.
Example (b):
in this embodiment: as shown in fig. 1, 2 and 3, a hydraulic oil circulating cooling system includes a hydraulic oil refrigerating circulating system 1, the hydraulic oil refrigerating circulating system 1 includes an oil cooler 2, the oil cooler 2 includes a vapor compression refrigerating device 401 and a hydraulic oil circulating device 402, an input of the hydraulic oil circulating device 402 is connected to a hydraulic oil outlet of a hydraulic pump station 3, an output of the hydraulic oil circulating device 402 is connected to the vapor compression refrigerating device 401, an output of the vapor compression refrigerating device 401 is connected to a hydraulic oil inlet of the hydraulic pump station 3, and high-temperature hydraulic oil output by the hydraulic pump station 3 circulates and returns cooled hydraulic oil to the hydraulic pump station 3 through the hydraulic oil circulating device 402 under the refrigeration heat exchange action of the vapor compression refrigerating device 401;
the vapor compression refrigeration device 4 comprises a refrigerant closed circulation system, the refrigerant closed circulation system comprises a compressor 5, the output of the compressor 5 is connected with a condenser 6, the output of the condenser 6 is connected with a throttling part 7, the output of the throttling part 7 is connected with an evaporator 8, the output of the evaporator 8 is connected with the compressor 5, and a refrigerant is used as a circulation refrigerant in the refrigerant closed circulation system;
the refrigeration heat exchange of the vapor compression refrigeration device 4 is non-contact heat exchange of the refrigerant and the hydraulic oil.
The hydraulic oil refrigeration circulating system 1 replaces a hydraulic oil-water circulating system under the condition of power matching to independently finish cooling of high-temperature hydraulic oil or is matched with the hydraulic oil-water circulating system to finish cooling of the high-temperature hydraulic oil.
All parts in the refrigerant circulating system are connected through copper pipes.
The refrigerant circularly injected into the refrigerant circulating system is Freon.
The hydraulic oil refrigeration cycle system 1 is externally connected with a hydraulic oil tank of the hydraulic pump station 3, and the hydraulic oil tank of the hydraulic pump station 3 is respectively provided with a hydraulic oil inlet, a hydraulic oil outlet and corresponding oil pipes.
The working principle is as follows:
this patent is through hydraulic oil refrigeration cycle system includes the oil cold machine, the oil cold machine includes vapor compression refrigerating plant and hydraulic oil circulating device, hydraulic oil circulating device input connection is in hydraulic pump station's hydraulic oil export, and its output connection is in vapor compression refrigerating plant, vapor compression refrigerating plant output connection is in hydraulic pump station's hydraulic oil entry, the high temperature hydraulic oil of hydraulic pump station output passes through hydraulic oil circulating device and will cool off the hydraulic oil circulation and return in hydraulic pump station under vapor compression refrigerating plant's refrigeration heat exchange effect; the vapor compression refrigerating device comprises a refrigerant closed circulating system, the refrigerant closed circulating system comprises a compressor, the output of the compressor is connected with a condenser, the output of the condenser is connected with a throttling component, the output of the throttling component is connected with an evaporator, the output of the evaporator is connected with the compressor, and a refrigerant is used as a circulating refrigerant in the refrigerant closed circulating system; the vapor compression refrigerating device is characterized in that the refrigerating heat exchange of the vapor compression refrigerating device is non-contact heat exchange of a refrigerant and hydraulic oil, and the principle of the scheme is integration of a vapor compression refrigerating system and a pump station cooling circulating system, the pump station cooling circulating system establishes a set of hydraulic oil circulation outside a hydraulic system to exchange heat between hot oil and a cooling medium, so that the temperature of the hydraulic system is reduced, and the vapor compression refrigerating system is composed of four basic parts, namely a compressor, a condenser, a throttling part and an evaporator. The four large pieces are connected into a closed system by a copper pipe according to a certain sequence, and a certain amount of refrigerant is filled in the system. Through repeated circulation of compression, condensation, throttling and evaporation, the refrigerant continuously takes away heat so as to reduce the temperature, the realization of the cooling circulation is the cooling circulation outside the hydraulic system, high-temperature hydraulic oil in the system is pumped into an oil cooler containing a cooling system, the low-temperature hydraulic oil is sent back to a hydraulic pump station after refrigeration and heat exchange, the problem that a cooler spacer is not corroded by cooling water up to the standard is avoided due to non-contact heat exchange between the refrigerant and the hydraulic oil, the sealed cooling system cannot enter redundant corrosive impurities, the separator of the cooler cannot be damaged, oil-water mixing is caused, meanwhile, the refrigerant and oil can be quickly volatilized, loss cannot be enlarged, and damage to hydraulic components is effectively avoided, the utility model solves the problems that in the prior art, the cooler spacer is corroded by the cooling water up to the standard, so that oil-water mixing is caused, further damage the hydraulic components, and has the beneficial technical effects of safety, reliability, low maintenance cost, simplicity, applicability and simple maintenance.
Utilize the technical scheme of the utility model, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (5)
1. A hydraulic oil circulating cooling system is characterized by comprising a hydraulic oil refrigerating circulating system, wherein the hydraulic oil refrigerating circulating system comprises an oil cooler, the oil cooler comprises a vapor compression refrigerating device and a hydraulic oil circulating device, the input of the hydraulic oil circulating device is connected to a hydraulic oil outlet of a hydraulic pump station, the output of the hydraulic oil circulating device is connected to the vapor compression refrigerating device, the output of the vapor compression refrigerating device is connected to a hydraulic oil inlet of the hydraulic pump station, and high-temperature hydraulic oil output by the hydraulic pump station circulates and returns to the hydraulic pump station under the refrigeration heat exchange effect of the vapor compression refrigerating device through the hydraulic oil circulating device;
the vapor compression refrigerating device comprises a refrigerant closed circulating system, the refrigerant closed circulating system comprises a compressor, the output of the compressor is connected with a condenser, the output of the condenser is connected with a throttling component, the output of the throttling component is connected with an evaporator, the output of the evaporator is connected with the compressor, and a refrigerant is used as a circulating refrigerant in the refrigerant closed circulating system;
the refrigeration heat exchange of the vapor compression refrigeration device is non-contact heat exchange of a refrigerant and hydraulic oil.
2. The hydraulic oil circulation cooling system according to claim 1, wherein the hydraulic oil refrigeration cycle system replaces a hydraulic oil-water circulation system under the condition of power matching to independently complete cooling of high-temperature hydraulic oil or completes cooling of high-temperature hydraulic oil by combining with the hydraulic oil-water circulation system.
3. The hydraulic oil circulating cooling system as claimed in claim 1, wherein the components in the coolant closed circulating system are connected by copper pipes.
4. The hydraulic oil circulation cooling system as claimed in claim 1, wherein the refrigerant circulated in the refrigerant closed circulation system is freon.
5. The hydraulic oil circulating cooling system according to claim 1, wherein the hydraulic oil refrigerating circulating system is externally connected to a hydraulic oil tank of a hydraulic pump station, and the hydraulic oil tank of the hydraulic pump station is respectively provided with a hydraulic oil inlet, a hydraulic oil outlet and corresponding oil pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023260159.7U CN214171021U (en) | 2020-12-30 | 2020-12-30 | Hydraulic oil circulative cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023260159.7U CN214171021U (en) | 2020-12-30 | 2020-12-30 | Hydraulic oil circulative cooling system |
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| Publication Number | Publication Date |
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| CN214171021U true CN214171021U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023260159.7U Active CN214171021U (en) | 2020-12-30 | 2020-12-30 | Hydraulic oil circulative cooling system |
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| CN (1) | CN214171021U (en) |
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