CN214464894U - Novel double-unit water-cooling frequency conversion two-stage compression screw machine structure - Google Patents
Novel double-unit water-cooling frequency conversion two-stage compression screw machine structure Download PDFInfo
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- CN214464894U CN214464894U CN202120144946.0U CN202120144946U CN214464894U CN 214464894 U CN214464894 U CN 214464894U CN 202120144946 U CN202120144946 U CN 202120144946U CN 214464894 U CN214464894 U CN 214464894U
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Abstract
The utility model discloses a novel double-unit water-cooling frequency conversion two-stage compression screw machine structure, which comprises a machine case and two screw compressor bodies; the screw compressor body comprises an air inlet system, a driving compression system, an oil-gas separation system, a cooling system and an electric control system; the support of the air inlet system is fixedly connected in the first accommodating cavity of the case, the three filters are fixedly connected on the support, the air filter box is arranged on the side edges of the three air filters, and the three air filters are connected by adopting a three-way rubber joint, so that an additional air filter box is not required to be added, and the space is saved; the driving compression system comprises a double-screw host and a variable frequency motor, and the double-screw host and the variable frequency motor are connected in an integrated manner, so that the space can be saved; the installation position of the oil-gas separation system and the double-screw main machine are positioned on the same horizontal line, so that the space is further saved; and the occupied space is saved by maximally utilizing the internal space of the case.
Description
Technical Field
The utility model relates to a screw compressor technical field especially relates to a novel double unit water-cooling frequency conversion two-stage compression screw rod machine structure.
Background
Along with the rapid development of the screw compressor technology, the stability and the working efficiency of the screw compressor are greatly improved, so that the screw compressor gradually replaces a centrifugal compressor in some special application occasions, and because the volume flow of the screw compressor is slightly smaller than that of the centrifugal compressor, under the condition that the same volume flow needs to be kept, two screw compressors are usually used for replacing one centrifugal compressor, but the internal space utilization rate of the existing installation structure for the two screw compressors is low, and the external occupied space is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel two unit water-cooling frequency conversion two-stage compression screw rod machine structure aims at solving the current low problem of its inside space utilization of mounting structure who is used for two screw rod compressor.
In order to realize the purpose, the utility model provides a novel double-unit water-cooling frequency conversion two-stage compression screw machine structure, which comprises a machine case and two screw compressor bodies; the case is provided with a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; the screw compressor body comprises an air inlet system, a driving compression system, an oil-gas separation system, a cooling system and an electric control system; the air inlet system comprises a bracket, three air filters and an air filter box; the bracket is fixedly connected with the case and is positioned in the first accommodating cavity; the three air filters are respectively and fixedly connected with the bracket and are respectively positioned on the side edges of the bracket; the air filter box is fixedly connected with the three air filters respectively and is positioned on the side edges of the three air filters; the driving compression system comprises a double-screw main machine and a variable-frequency motor; the double-screw main machine is fixedly connected with the case and is positioned in the first accommodating cavity; the variable frequency motor is electrically connected with the double-screw main machine and is positioned in the first accommodating cavity; the oil-gas separation system is fixedly connected with the case and is positioned in the second accommodating cavity; the cooling system is fixedly connected with the case and is positioned in the third accommodating cavity; the electric control system is respectively and electrically connected with the double-screw main machine, the variable frequency motor, the oil-gas separation system and the cooling system and is positioned on the side edge of the case.
Wherein the oil-gas separation system comprises an oil-gas separation cylinder and a minimum pressure valve; the oil-gas separation cylinder is fixedly connected with the case and is positioned in the second accommodating cavity; the minimum pressure valve is fixedly connected with the oil-gas separation cylinder and is positioned on the side edge of the oil-gas separation cylinder.
Wherein the cooling system comprises two oil coolers, a mounting bracket and an aftercooler; the two oil coolers are respectively fixedly connected with the case and are positioned in the third accommodating cavity; the mounting rack is fixedly connected with the case and is positioned in the third accommodating cavity; the after cooler is fixedly connected with the mounting frame and is positioned between the two oil coolers.
The novel double-unit water-cooling frequency conversion two-stage compression screw machine structure further comprises a waste heat recovery system; the waste heat recovery system is fixedly connected with the case and is positioned in the second accommodating cavity.
The novel double-unit water-cooling frequency conversion two-stage compression screw machine structure further comprises a base; the base platform is fixedly connected with the case and is positioned below the case.
Wherein the drive compression system further comprises a shock pad; the shock pad is fixedly connected with the double-screw main machine and is positioned between the double-screw main machine and the case.
The utility model discloses a novel duplex group water-cooling frequency conversion two-stage compression screw rod machine structure, through will three empty filter is installed side by side on the support to make it have certain angle, can make things convenient for maintenance personnel renew cartridge, and to three empty filter has adopted three-way rubber joint, makes and need not to increase again extravagantly empty filter box has practiced thrift cost and space. The double-screw main machine and the variable frequency motor are connected in an integrated mode, so that the space is saved. The oil-gas separation cylinder and the double-screw main machine are arranged on the same horizontal line, so that the occupied space can be reduced; the oil-gas mixture can be separated through the oil-gas separation cylinder, and the separated gas is discharged from the minimum pressure valve. Through with after cooler by the mounting bracket is installed two between the oil cooler, can save space, make things convenient for the installation of oil filter simultaneously, can with oil cooler water inlet way with after cooler water inlet way divide into two the way to can be respectively to the entering oil cooler with the cooling water flow of after cooler controls, and then be convenient for control the oil cooler with the cooling capacity of after cooler. The waste heat recovery system is internally provided with the plate heat exchanger, so that the loss of internal energy can be saved, and the generated heat can be fully utilized. The electric control system comprises an electric cabinet, a frequency converter, an air switch, an electric installation bottom plate and the like, wherein an electric element is installed in the electric cabinet and separates weak current and strong current, so that the safety is improved, and a cooling fan is installed in a strong current area, so that the electric control system has a cooling effect and prevents components from being damaged due to overhigh temperature. The two double-screw main machines can be controlled by the electric control system, so that the two double-screw main machines can be operated independently or simultaneously according to actual conditions. The chassis can be isolated from the ground through the bottom table, and damage to each component caused by moisture is avoided. Through the shock pad, can prevent that vibrations from to cause the damage to the twin-screw host computer improves life. In conclusion, the space in the case is utilized to the maximum extent, the occupied space is saved, the material cost is saved, the installation of each component is more reasonable, and the safety and the stability are improved.
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 top sectional view of a novel double-unit water-cooling frequency conversion two-stage compression screw machine structure of the present invention;
fig. 2 is a rear sectional view of a novel double-unit water-cooling frequency conversion two-stage compression screw machine structure of the present invention;
fig. 3 is a front sectional view of a novel double-unit water-cooling frequency conversion two-stage compression screw machine structure of the present invention;
fig. 4 is a right sectional view of the structure of a novel double-unit water-cooling frequency conversion two-stage compression screw machine of the present invention;
fig. 5 is a left side sectional view of the novel double-unit water-cooling frequency conversion two-stage compression screw machine structure of the present invention.
The system comprises a machine case 1, a screw compressor body 2, an air inlet system 3, a driving compression system 4, an oil-gas separation system 5, a cooling system 6, an electric control system 7, a waste heat recovery system 8, a base 9, a first accommodating cavity 11, a second accommodating cavity 12, a third accommodating cavity 13, a support 31, an air filter 32, an air filter tank 33, a twin-screw main machine 41, a variable frequency motor 42, a shock pad 43, an oil-gas separation cylinder 51, a minimum pressure valve 52, an oil cooler 61, an installation frame 62 and a aftercooler 63.
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 to 5, the present invention provides a novel two-unit water-cooling frequency conversion two-stage compression screw machine structure: comprises a case 1 and two screw compressor bodies 2; the case 1 is provided with a first accommodating cavity 11, a second accommodating cavity 12 and a third accommodating cavity 13; the screw compressor body 2 comprises an air inlet system 3, a driving compression system 4, an oil-gas separation system 5, a cooling system 6 and an electric control system 7; the air intake system 3 comprises a bracket 31, three air filters 32 and an air filter box 33; the bracket 31 is fixedly connected with the case 1 and is positioned in the first accommodating cavity 11; the three air filters 32 are respectively and fixedly connected with the bracket 31 and are respectively positioned on the side edges of the bracket 31; the air filter box 33 is respectively and fixedly connected with the three air filters 32 and is positioned at the side edges of the three air filters 32; the driving compression system 4 comprises a double-screw main machine 41 and a variable-frequency motor 42; the double-screw main machine 41 is fixedly connected with the case 1 and is positioned in the first accommodating cavity 11; the variable frequency motor 42 is electrically connected with the double-screw main machine 41 and is positioned in the first accommodating cavity 11; the oil-gas separation system 5 is fixedly connected with the case 1 and is positioned in the second accommodating cavity 12; the cooling system 6 is fixedly connected with the case 1 and is positioned in the third accommodating cavity 13; the electric control system 7 is electrically connected with the double-screw main machine 41, the variable frequency motor 42, the oil-gas separation system 5 and the cooling system 6 respectively and is positioned on the side edge of the case 1.
In this embodiment, three air filters 32 are arranged side by side on the bracket 31 and are provided with a certain angle, so that a filter element can be conveniently replaced by a maintenance worker, and three air filters 32 are provided with three-way rubber joints, so that the air filter box 33 does not need to be additionally arranged, and the cost and the space are saved. The double-screw main machine 41 and the variable-frequency motor 42 are connected in an integrated mode, so that space is saved. The oil-gas separation system 5 and the twin-screw main unit 41 are installed on the same horizontal line, so that the occupied space can be reduced. The oil-gas mixture can be separated by the oil-gas separation system 5. The electric control system 7 comprises an electric cabinet, a frequency converter, an air switch, an electric installation bottom plate and the like, wherein electric elements are installed in the electric cabinet and separate weak current from strong current, so that the safety is improved, and a cooling fan is installed in a strong current area, so that the cooling effect can be realized, and the damage of components caused by overhigh temperature can be prevented. The two twin-screw main machines 41 can be controlled by the electrical control system 7, so that the two twin-screw main machines 41 can be operated independently or simultaneously according to actual conditions. In conclusion, the space in the case 1 is utilized to the maximum extent, the occupied space is saved, the material cost is saved, the installation of each component is more reasonable, and the safety and the stability are improved.
Further, the oil-gas separation system 5 comprises an oil-gas separation cylinder 51 and a minimum pressure valve 52; the oil-gas separation cylinder 51 is fixedly connected with the case 1 and is positioned in the second accommodating cavity 12; the minimum pressure valve 52 is fixedly connected with the oil-gas separation cylinder 51 and is positioned on the side of the oil-gas separation cylinder 51.
In the present embodiment, the oil-gas separation cylinder 51 and the twin-screw main unit 41 are installed on the same horizontal line, so that the occupied space can be reduced. The oil-gas mixture can be separated by the oil-gas separation cylinder 51, and the separated gas is discharged from the minimum pressure valve 52.
Further, the cooling system 6 includes two oil coolers 61, a mounting frame 62 and an after cooler 63; the two oil coolers 61 are respectively and fixedly connected with the case 1 and are positioned in the third accommodating cavity 13; the mounting frame 62 is fixedly connected with the chassis 1 and is positioned in the third accommodating cavity 13; the after cooler 63 is fixedly connected to the mounting bracket 62 and is located between the two oil coolers 61.
In the present embodiment, the after cooler 63 is installed between the two oil coolers 61 through the mounting bracket 62, so that space can be saved, the installation of the oil filter is facilitated, the water inlet path of the oil cooler 61 and the water inlet path of the after cooler 63 can be divided into two paths, the flow rate of the cooling water entering the oil cooler 61 and the after cooler 63 can be controlled, and the cooling amount of the oil cooler 61 and the cooling amount of the after cooler 63 can be controlled.
Further, the novel double-unit water-cooling frequency conversion two-stage compression screw machine structure further comprises a waste heat recovery system 8; the waste heat recovery system 8 is fixedly connected with the case 1 and is located in the second containing cavity 12.
In this embodiment, the plate heat exchanger is built in the heat recovery system 8, so that the loss of internal energy can be saved, and the generated heat can be fully utilized.
Further, the novel double-unit water-cooling frequency conversion two-stage compression screw machine structure further comprises a base table 9; the base 9 is fixedly connected with the case 1 and is positioned below the case 1.
In the present embodiment, the chassis 1 can be isolated from the ground by the base 9, and damage to each component due to moisture is avoided.
Further, the driving compression system 4 further includes a shock absorbing pad 43; the shock absorption pad 43 is fixedly connected with the double-screw main machine 41 and is positioned between the double-screw main machine 41 and the machine case 1.
In the present embodiment, the shock absorbing pad 43 can prevent the twin-screw main unit 41 from being damaged by shock, thereby improving the service life.
The utility model discloses a theory of operation and use flow: the utility model discloses after installing, through will be three empty filter 32 is installed side by side on the support 31 to make it have certain angle, can make things convenient for maintenance personnel renew cartridge, and to three empty filter 32 has adopted three-way rubber joint, makes and need not to increase again extravagantly empty filter box 33 has practiced thrift cost and space. The double-screw main machine 41 and the variable-frequency motor 42 are connected in an integrated mode, so that space is saved. The oil-gas separation cylinder 51 and the double-screw main machine 41 are arranged on the same horizontal line, so that the occupied space can be reduced; the oil-gas mixture can be separated by the oil-gas separation cylinder 51, and the separated gas is discharged from the minimum pressure valve 52. By installing the after cooler 63 between the two oil coolers 61 through the mounting frame 62, the space can be saved, the installation of the oil filter is convenient, the water inlet path of the oil cooler 61 and the water inlet path of the after cooler 63 can be divided into two paths, so that the flow of cooling water entering the oil cooler 61 and the after cooler 63 can be controlled respectively, and the cooling capacity of the oil cooler 61 and the after cooler 63 can be controlled conveniently. The waste heat recovery system 8 is internally provided with a plate heat exchanger, so that the loss of internal energy can be saved, and the generated heat can be fully utilized. The electric control system 7 comprises an electric cabinet, a frequency converter, an air switch, an electric installation bottom plate and the like, wherein electric elements are installed in the electric cabinet and separate weak current from strong current, so that the safety is improved, and a cooling fan is installed in a strong current area, so that the cooling effect can be realized, and the damage of components caused by overhigh temperature can be prevented. The two twin-screw main machines 41 can be controlled by the electrical control system 7, so that the two twin-screw main machines 41 can be operated independently or simultaneously according to actual conditions. The chassis 1 can be isolated from the ground by the base 9, and damage to each component caused by moisture is avoided. Through the shock pad 43, the double-screw main machine 41 can be prevented from being damaged by vibration, and the service life is prolonged. In conclusion, the space in the case 1 is utilized to the maximum extent, the occupied space is saved, the material cost is saved, the installation of each component is more reasonable, and the safety and the stability are improved.
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 (6)
1. A novel double-unit water-cooling frequency conversion two-stage compression screw machine structure is characterized by comprising a machine case and two screw compressor bodies; the case is provided with a first accommodating cavity, a second accommodating cavity and a third accommodating cavity; the screw compressor body comprises an air inlet system, a driving compression system, an oil-gas separation system, a cooling system and an electric control system; the air inlet system comprises a bracket, three air filters and an air filter box; the bracket is fixedly connected with the case and is positioned in the first accommodating cavity; the three air filters are respectively and fixedly connected with the bracket and are respectively positioned on the side edges of the bracket; the air filter box is fixedly connected with the three air filters respectively and is positioned on the side edges of the three air filters; the driving compression system comprises a double-screw main machine and a variable-frequency motor; the double-screw main machine is fixedly connected with the case and is positioned in the first accommodating cavity; the variable frequency motor is electrically connected with the double-screw main machine and is positioned in the first accommodating cavity; the oil-gas separation system is fixedly connected with the case and is positioned in the second accommodating cavity; the cooling system is fixedly connected with the case and is positioned in the third accommodating cavity; the electric control system is respectively and electrically connected with the double-screw main machine, the variable frequency motor, the oil-gas separation system and the cooling system and is positioned on the side edge of the case.
2. The novel double-unit water-cooling frequency conversion two-stage compression screw machine structure as claimed in claim 1, wherein the oil-gas separation system comprises an oil-gas separation cylinder and a minimum pressure valve; the oil-gas separation cylinder is fixedly connected with the case and is positioned in the second accommodating cavity; the minimum pressure valve is fixedly connected with the oil-gas separation cylinder and is positioned on the side edge of the oil-gas separation cylinder.
3. The novel double-unit water-cooling frequency conversion two-stage compression screw machine structure as claimed in claim 2, wherein the cooling system comprises two oil coolers, a mounting frame and an after cooler; the two oil coolers are respectively fixedly connected with the case and are positioned in the third accommodating cavity; the mounting rack is fixedly connected with the case and is positioned in the third accommodating cavity; the after cooler is fixedly connected with the mounting frame and is positioned between the two oil coolers.
4. The novel two-unit water-cooling frequency conversion two-stage compression screw machine structure as claimed in claim 3, wherein the novel two-unit water-cooling frequency conversion two-stage compression screw machine structure further comprises a waste heat recovery system; the waste heat recovery system is fixedly connected with the case and is positioned in the second accommodating cavity.
5. The novel two-unit water-cooling frequency conversion two-stage compression screw machine structure as claimed in claim 4, further comprising a base; the base platform is fixedly connected with the case and is positioned below the case.
6. The novel double-unit water-cooling frequency conversion two-stage compression screw machine structure as claimed in claim 5, wherein the driving compression system further comprises a shock pad; the shock pad is fixedly connected with the double-screw main machine and is positioned between the double-screw main machine and the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144946.0U CN214464894U (en) | 2021-01-20 | 2021-01-20 | Novel double-unit water-cooling frequency conversion two-stage compression screw machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144946.0U CN214464894U (en) | 2021-01-20 | 2021-01-20 | Novel double-unit water-cooling frequency conversion two-stage compression screw machine structure |
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| Publication Number | Publication Date |
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| CN214464894U true CN214464894U (en) | 2021-10-22 |
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| CN202120144946.0U Active CN214464894U (en) | 2021-01-20 | 2021-01-20 | Novel double-unit water-cooling frequency conversion two-stage compression screw machine structure |
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| CN (1) | CN214464894U (en) |
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- 2021-01-20 CN CN202120144946.0U patent/CN214464894U/en active Active
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