CN214742051U - Roots blower wallboard - Google Patents
Roots blower wallboard Download PDFInfo
- Publication number
- CN214742051U CN214742051U CN202023280769.3U CN202023280769U CN214742051U CN 214742051 U CN214742051 U CN 214742051U CN 202023280769 U CN202023280769 U CN 202023280769U CN 214742051 U CN214742051 U CN 214742051U
- Authority
- CN
- China
- Prior art keywords
- roots blower
- wallboard
- heat preservation
- machine shell
- interlayer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a Roots blower wallboard, which comprises a wallboard body, wherein the end of the wallboard body, which is provided with a bearing mounting hole, is a far machine shell end, and the end of the wallboard body, which is provided with a sealing mounting hole, is a near machine shell end; the method is characterized in that: a heat-insulating medium circulation interlayer is arranged at the end, close to the machine shell, of the wallboard body, and the heat-insulating medium flow passage interlayer surrounds the sealing installation hole in an annular mode; a medium inlet and a medium outlet are arranged on the wall plate body which is communicated with the heat preservation medium circulation interlayer; the wallboard body is provided with an open structure hole. This kind of roots blower wallboard enables the whole axial dimensions that shortens under improving the installation accuracy prerequisite of air-blower, is favorable to promoting roots blower's performance.
Description
Technical Field
The utility model relates to a roots blower technical field, the used roots blower of specially adapted transport high temperature medium specifically is a wallboard that relates to among the roots blower.
Background
The roots blower is widely used in more and more special fields because of its simple structure, convenient use and maintenance and forced exhaust characteristics. When a high-temperature medium is conveyed (the temperature of the medium is more than or equal to 150 ℃ or even higher), the temperature difference between the temperature of the pressurizing medium in the casing and the temperature of the external environment is large (the temperature of the environment is generally less than or equal to 45 ℃), so that the temperature difference between the casing and the external environment is reduced as much as possible, and the heat loss is reduced. Traditional roots blower casing has good heat dissipation and intensity for guaranteeing that the fan casing has, is equipped with the strengthening rib at the casing surface, leads to traditional roots blower a great deal of inconvenience when being used for the high temperature medium to carry the operating mode, for solving this problem, more necessary provides a roots blower with good structure to the heat preservation pressure boost when satisfying the transport high temperature medium carries the operating mode. ZL 201420457812.2 'a novel sulphur recovery booster compressor' can realize the heat preservation pressure boost and carry the operating mode.
However, in the patent ZL 201420457812.2 "a new type sulfur recovery booster compressor", in order to keep the heat of the sealed portion, a front end partition plate and a rear end partition plate with an annular steam heat-preservation cavity are provided. The support bearings for the rotors of the roots blower are located outside the sealed chamber, depending on the construction of the roots blower. The front wallboard and the rear wallboard of the fan are required to be installed outside the front end clapboard and the rear end clapboard which are provided with the annular steam heat preservation cavity, and because the front end clapboard, the rear end clapboard, the front wallboard and the rear wallboard are two independent parts, in order to ensure the installation precision of the fan, a positioning part between the wallboard and the clapboard is required to be added, the machining accumulated error and the assembly deviation of the parts are easy to influence the installation precision of the fan; in addition, the axial size is lengthened, the bearing span is enlarged, the shaft rigidity of the Roots blower is reduced, the pressure rise of the Roots blower with the same specification is limited, and the performance of the Roots blower is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides a roots blower wallboard, the purpose shortens axial dimensions under improving the installation accuracy prerequisite, promotes roots blower's performance.
The utility model provides a technical scheme that its technical problem adopted is: a Roots blower wallboard comprises a wallboard body, wherein one end, provided with a bearing mounting hole, of the wallboard body is a far machine shell end, and one end, provided with a sealing mounting hole, of the wallboard body is a near machine shell end; the method is characterized in that: a heat-insulating medium circulation interlayer is arranged at the end, close to the machine shell, of the wallboard body, and the heat-insulating medium flow passage interlayer surrounds the sealing installation hole in an annular mode; a medium inlet and a medium outlet are arranged on the wall plate body which is communicated with the heat preservation medium circulation interlayer; the wallboard body is provided with an open structure hole.
As a further technical solution of the present invention: the heat preservation medium circulation interlayer is composed of at least one circle of communicated independent channels.
As a further technical solution of the present invention: and a condensate water discharge port is arranged at the lowest point of the heat preservation medium channel.
As a further technical solution of the present invention: the heat preservation medium channel is composed of at least two sections of branch channels which are not communicated with each other; the branch channels are respectively provided with a medium inlet and a medium outlet.
Further: the thickness of the interlayer of the heat preservation medium flow channel is consistent.
Further, the method comprises the following steps: an inflation inlet of an inflation sealing structure is arranged on the wallboard main body; and an inflation pipeline communicated with the inflation port penetrates through the heat-preservation medium circulation interlayer.
As a further technical solution of the present invention: the far machine shell end is provided with a small flange, the near machine shell end is provided with a large flange for connecting the machine shell, and a rib plate is arranged on the wall plate body between the small flange and the large flange; the rib plate is provided with a plurality of ribs; at least one open structure hole is arranged on the wall plate body between every two adjacent rib plates.
The utility model has the advantages that: compared with the technical scheme of ZL 201420457812.2 'a novel sulfur recovery supercharger' in the background technology, the technical scheme of the utility model avoids the seed accumulation error and the influence of assembly deviation on the precision of the Roots blower in the processing of the original front and rear end plates and the front and rear wallboards, and the open structural holes are arranged on the wallboard body, thereby reducing the influence of high-temperature heat accumulation on the temperature of lubricating oil in the oil tank of the fan and avoiding the influence of high heat radiation of a heat-insulating medium on the fan bearing; thus, the utility model has higher overall reliability; furthermore the utility model discloses a have sealed inflatable seal interface passageway among the wallboard structural design, sealed inflatable seal also can heat through the intermediate layer heating of wallboard, further guarantees thermal insulation performance.
Drawings
FIG. 1 is a schematic view of the overall construction of a Roots blower;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic diagram of an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
the figure is as follows: 1, a shell, 2, a first wall plate, 3, a second wall plate, 4, a first fan oil tank and 5, a second fan oil tank;
the wall plate comprises a wall plate body 21, a bearing mounting hole 22, a sealing mounting hole 23, a heat preservation medium flow channel interlayer 24, a medium inlet 241, a medium outlet 242, a small flange 25, a large flange 26, a rib plate 27 and an open structural hole 28; 29 inflation port, 210 condensate drain port.
Detailed Description
The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1 and 2, the overall structure of the roots blower is shown, and the housing part of the roots blower includes a housing 1 and two wall plates, namely, a first wall plate 2 and a second wall plate 3, which are assembled at the left and right ends of the housing 1. The invention will be further described with reference to the following embodiments of the first wall panel 2 in conjunction with the accompanying drawings.
As shown in fig. 3 and 4, the wall plate of the roots blower comprises a wall plate body 21, wherein one end of the wall plate body 21, which is provided with a bearing mounting hole 22, is a far shell end, and one end of the wall plate body 21, which is provided with a sealing mounting hole 23, is a near shell end.
The wall plate body 21 is provided with a heat preservation medium circulation interlayer 24 at the end close to the machine shell, and the heat preservation medium circulation interlayer 24 in this embodiment is formed by a circle of communicated independent channels, is annular and surrounds the sealing installation hole 23. The thickness of the heat preservation medium flow channel interlayer 24 is consistent. In order to keep the medium smooth and easy to circulate, reduce the production of the comdenstion water, raise the thermal efficiency.
The wall plate body communicated with the heat preservation medium circulation interlayer 24 is provided with a medium inlet 241 and a medium outlet 242. The medium inlet 241 is arranged at the vertex of the heat preservation medium flow passage interlayer 24; the medium outlet 242 is provided at the lowest point of the insulating medium flow-through sandwich 24. A condensate water discharge port 210 is provided at the lowest point of the insulating medium passage. Therefore, the generation and the detention of condensed water are more favorably reduced, and the heat efficiency is ensured.
During operation, the heat preservation media are respectively conveyed into the heat preservation medium circulation interlayer 24 through the medium inlet 241 and finally output through the medium outlet 242. So, realize the heat preservation to the sealed department of roots blower shaft, and then guarantee the whole heat preservation effect to the high temperature medium that the fan was carried. In addition, an inflation port 29 of an inflation sealing structure is provided on the wall plate main body 21 in this embodiment; an inflation pipeline communicated with the inflation inlet 29 penetrates through the heat preservation medium circulation interlayer 24, so that gas in the inflation sealing structure is heated and preserved when flowing through the heat preservation medium circulation interlayer 24, and the heat preservation effect of the fan shaft sealing part cannot be negatively influenced.
A small flange 25 is arranged at the far machine shell end, a large flange 26 for connecting the machine shell is arranged at the near machine shell end, and a rib plate 27 is arranged on the wall plate body between the small flange 25 and the large flange 26; the rib plate 27 is provided with a plurality of ribs; an open structure hole 28 is arranged on the wall plate body 21 between every two adjacent rib plates. In this embodiment, five rib plates 27 and five open structure holes 28 are provided. The open structure hole 28 arranged on the wall plate main body can effectively reduce the influence of high-temperature heat accumulated on the temperature of softened oil in the first fan oil tank 4 and the second fan oil tank 5, and also avoids the influence of high heat radiation of a heat-insulating medium on a fan bearing.
Because the wallboard of this embodiment is the fashioned single part of integral casting, consequently compare prior art, accumulated error in processing and assembly deviation have been avoided to this embodiment to improved roots blower's precision greatly, and axial dimension is compacter, and the bearing span of blower shaft reduces, is favorable to prolonging roots blower shaft's life, and roots blower's performance is better for the pressure rise of same specification roots blower in addition promotes.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention.
The utility model discloses there are many aspects that can change and replace under the prerequisite that does not violate general thought.
For example, as other embodiments: the heat-insulating medium channel interlayer is composed of at least two sections of branch channels which are not communicated with each other; the branch channels are respectively provided with a medium inlet and a medium outlet. Alternatively, another embodiment: the heat preservation medium channel is provided with a plurality of circles, each circle of heat preservation medium channel is respectively formed by a circle of communicated independent channels, is annular and surrounds the sealing installation hole 23. The arrangement mode of the heat preservation medium channel interlayers can theoretically realize heat preservation of the conveying medium, but the preparation process is more complex, the heat preservation effect is not as good as that of the embodiment shown in figures 3 and 4, and other problems can be caused, such as inconvenient assembly with other matched parts, difficult maintenance, easy generation of condensed water and the like.
Therefore, the technical solution of the present invention does not exclude that those skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention.
Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A Roots blower wallboard comprises a wallboard body, wherein one end, provided with a bearing mounting hole, of the wallboard body is a far machine shell end, and one end, provided with a sealing mounting hole, of the wallboard body is a near machine shell end; the method is characterized in that: a heat preservation medium circulation interlayer is arranged at the end, close to the machine shell, of the wallboard body, and the heat preservation medium circulation interlayer surrounds the sealing installation hole in an annular mode; a medium inlet and a medium outlet are arranged on the wall plate body which is communicated with the heat preservation medium circulation interlayer; the wallboard body is provided with an open structure hole.
2. A roots blower wall panel as claimed in claim 1, wherein: the heat preservation medium circulation interlayer is composed of at least one circle of communicated independent channels.
3. A roots blower wall panel as claimed in claim 2, wherein: and a condensate water discharge port is arranged at the lowest point of the interlayer of the heat preservation medium channel.
4. A roots blower wall panel as claimed in claim 1, wherein: the heat preservation medium channel is composed of at least two sections of branch channels which are not communicated with each other; the branch channels are respectively provided with a medium inlet and a medium outlet.
5. A Roots blower wall panel as claimed in any one of claims 1 to 4, wherein: the thickness of the heat preservation medium circulation interlayer is consistent.
6. A Roots blower wall panel as claimed in claim 5, wherein: an inflation inlet of an inflation sealing structure is arranged on the wall plate body; and an inflation pipeline communicated with the inflation port penetrates through the heat-preservation medium circulation interlayer.
7. A roots blower wall panel as claimed in claim 1, wherein: the far machine shell end is provided with a small flange, the near machine shell end is provided with a large flange for connecting the machine shell, and a rib plate is arranged on the wall plate body between the small flange and the large flange; the rib plate is provided with a plurality of ribs; at least one open structure hole is arranged on the wall plate body between every two adjacent rib plates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023280769.3U CN214742051U (en) | 2020-12-29 | 2020-12-29 | Roots blower wallboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202023280769.3U CN214742051U (en) | 2020-12-29 | 2020-12-29 | Roots blower wallboard |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214742051U true CN214742051U (en) | 2021-11-16 |
Family
ID=78635990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202023280769.3U Active CN214742051U (en) | 2020-12-29 | 2020-12-29 | Roots blower wallboard |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214742051U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115095022A (en) * | 2022-06-14 | 2022-09-23 | 宁波瑞凌新能源科技有限公司 | Thermal resistance adjustable enclosure structure and adjusting method thereof |
-
2020
- 2020-12-29 CN CN202023280769.3U patent/CN214742051U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115095022A (en) * | 2022-06-14 | 2022-09-23 | 宁波瑞凌新能源科技有限公司 | Thermal resistance adjustable enclosure structure and adjusting method thereof |
CN115095022B (en) * | 2022-06-14 | 2023-11-21 | 宁波瑞凌新能源科技有限公司 | Thermal resistance adjustable enclosure structure and adjusting method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214742051U (en) | Roots blower wallboard | |
CN112727771A (en) | Roots blower for conveying high-temperature medium | |
CN110500275B (en) | Pump housing structure of triaxial multistage roots pump | |
CN114876824B (en) | Air cooling structure of high-speed centrifugal air compressor and expander integrated system | |
CN1318762C (en) | High temperature high pressure hot-water circulating pump | |
CN110318820B (en) | Stationary blade composite dehumidifying structure of steam turbine | |
CN112360744B (en) | Cooling device for water ring vacuum pump for vacuumizing of power station condenser | |
CN101382137A (en) | Multi-stage roots dry vacuum pump discharging directly into atmosphere | |
CN202100491U (en) | Turbo compressor | |
CN114810673B (en) | Two-stage compression backflow internal circulation air cooling system of high-speed centrifugal compressor | |
CN111636929A (en) | Cooling structure for turbine stator blade of gas turbine | |
CN115013104B (en) | Fuel cell energy recovery system | |
CN216278504U (en) | Circulating water cooling type roots pump | |
GB2617633A (en) | Integral cooling system for turbine casing and guide vanes in aeroengine | |
CN214499462U (en) | High-pressure nitrogen multistage centrifugal blower | |
RU2673650C1 (en) | Centrifugal compressor diaphragm | |
CN218894756U (en) | Cooling structure of roots vacuum pump | |
CN203847394U (en) | Self-balancing multistage centrifugal pump with balanced cooling structure | |
CN221879731U (en) | Air centrifugal compressor for radiating motor based on asymmetric back-to-back impellers | |
CN201148883Y (en) | Temperature difference engine | |
CN213235138U (en) | Steam seal steam leakage recovery system for centripetal turbine unit | |
CN220353995U (en) | Cold air inlet and heat dissipation compressor system | |
CN201448245U (en) | Axial-flow type energy recovery turbine with middle reheating | |
CN213511282U (en) | Stack type multi-air-outlet fan for airflow dyeing machine | |
CN216585170U (en) | Cooling device of vacuum coating machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |