CN219911202U - Prevent air-blower that cement backward flow - Google Patents
Prevent air-blower that cement backward flow Download PDFInfo
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- CN219911202U CN219911202U CN202321003140.5U CN202321003140U CN219911202U CN 219911202 U CN219911202 U CN 219911202U CN 202321003140 U CN202321003140 U CN 202321003140U CN 219911202 U CN219911202 U CN 219911202U
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- valve
- blower
- control valve
- duct
- flange
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- 239000004568 cement Substances 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a prevent air-blower of cement backward flow relates to air-blower technical field, and the air-blower includes the fan and the pipeline that links to each other with the fan, sets gradually first control valve and second control valve along the gas flow direction in the pipeline, sets up first check valve between first control valve and the second control valve. When the air blower of this disclosure is shut down, first check valve can effectively avoid cement to flow backward into the fan inside of air blower under the condition that first control valve failed in time to close, provides dual guarantee for the normal operating of air blower, has improved the life of air blower.
Description
Technical Field
The present disclosure relates to the field of blower technologies, and in particular, to a blower for preventing cement from flowing backward.
Background
The control valve is arranged in the conveying pipeline of the existing blower, the control valve is opened when the blower normally operates and is in a closed state when the blower is stopped, but the condition that the control valve is not closed timely can occur when the blower is stopped, when the blower is used for conveying cement, the condition that cement flows backward into the blower of the blower can occur, and therefore the motor of the blower is damaged.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a blower for preventing cement from flowing backward.
The present disclosure proposes a prevent air-blower of cement backward flow, the air-blower include the fan and with the pipeline that the fan links to each other, set gradually first control valve and second control valve along the gas flow direction in the pipeline, first control valve with set up first check valve between the second control valve.
In some embodiments of the disclosure, the delivery conduit comprises a first conduit and a second conduit, an inlet of the first conduit is in communication with the fan, and an outlet of the first conduit is in communication with an inlet of the second conduit;
the first control valve is located in the first pipeline, and the second control valve is located in the second pipeline.
In some embodiments of the disclosure, the first check valve is located between the first conduit and the second conduit.
In some embodiments of the disclosure, a first flange is disposed at an end of the first pipeline far away from the fan, a second flange is disposed at an end of the second pipeline near the first pipeline, and the first flange is connected with the second flange through a connecting piece;
the first one-way valve is compressed between the first flange and the second flange.
In some embodiments of the disclosure, the first flange and the second flange are connected by a plurality of bolts, and the first check valve is pressed in an area surrounded by the bolts.
In some embodiments of the disclosure, the first check valve includes a valve body and a valve plate, the valve body is pressed in an area surrounded by a plurality of bolts, and a through hole is formed in the valve body;
the valve block is hinged to one side of the valve body, which is away from the first control valve, and is used for opening and closing the through hole, and the size of the valve block is larger than that of the through hole.
In some embodiments of the disclosure, the valve plate is hinged above the valve body along the direction of gravity.
In some embodiments of the disclosure, a side of the valve body, which is close to the valve plate, is provided with a mounting groove along the circumferential side of the through hole, and the valve plate is hinged in the mounting groove.
In some embodiments of the disclosure, a gasket is disposed in the mounting groove.
In some embodiments of the disclosure, the first control valve is a second one-way valve, and the second one-way valve is a butterfly one-way valve; and/or the number of the groups of groups,
the second control valve is a normally open valve, and the normally open valve is a manual butterfly valve.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects: according to the novel air conditioner, the first one-way valve is additionally arranged between the first control valve and the second control valve, when the air blower is stopped, the first one-way valve can effectively prevent cement from flowing backwards into the air blower of the air blower under the condition that the first control valve is not closed in time, double guarantee is provided for normal operation of the air blower, and the service life of the air blower is prolonged.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a block diagram illustrating a transfer duct of a blower for preventing cement from flowing backward according to an exemplary embodiment.
Wherein: 1-a conveying pipeline; 11-a first pipe; 111-a first flange; 12-a second conduit; 121-a second flange; 2-a first one-way valve; 21-a valve body; 22-valve plates; 23-through holes; 211-mounting slots; 3-bolts; 4-a first control valve; 5-a second control valve.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.
In the related art, when the blower is used for conveying cement, if the blower is stopped, when a control valve in a conveying pipeline of the blower is not closed in time, the condition that cement flows backward into the blower of the blower can occur, so that the blower is damaged.
In order to solve the technical problem, the embodiment provides a blower for preventing cement from flowing backward, the blower comprises a blower and a conveying pipeline connected with the blower, a first control valve and a second control valve are sequentially arranged in the conveying pipeline along the gas flowing direction, and a first one-way valve is arranged between the first control valve and the second control valve. According to the embodiment, the first one-way valve is additionally arranged between the first control valve and the second control valve, when the blower is stopped, the first one-way valve can effectively prevent cement from flowing backward into the blower of the blower under the condition that the first control valve is not closed in time, double guarantee is provided for normal operation of the blower, and the service life of the blower is prolonged.
The following embodiments and implementations of the present disclosure are described in detail below with reference to the drawings, and without conflict, the following embodiments and implementations may be combined with each other.
According to an exemplary embodiment of the present disclosure, referring to fig. 1, the present embodiment proposes a blower for preventing cement from flowing backward, and the blower of the present embodiment is used for cement transportation, and the blower may be, for example, a magnetic levitation blower, an air levitation blower, or a Roots blower. The air blower comprises a fan (not shown in the figure) and a conveying pipeline 1 connected with the fan, a first control valve 4 and a second control valve 5 are sequentially arranged in the conveying pipeline 1 along the gas flow direction, wherein the first control valve 4 is close to the fan and used for controlling the conduction of the conveying pipeline 1 between the fan and the first control valve 4, and the second control valve 5 is far away from the fan and used for controlling the conduction of the conveying pipeline 1 between the first control valve 4 and the second control valve 5. The present embodiment is not limited in the types of the first control valve 4 and the second control valve 5, and the first control valve 4 is a check valve and the second control valve 5 is a manual butterfly valve by way of example. If the second control valve 5 is opened, if the first control valve 4 fails to close in time in the event of a fan shutdown, cement is caused to flow backward into the fan. Therefore, in this embodiment, by disposing the first check valve 2 between the first control valve 4 and the second control valve 5, the first check valve 2 only allows the fluid to pass from the first control valve 4 to the second control valve 5, and prohibits the fluid from passing from the second control valve 5 to the first control valve 4, so that the cement can be effectively prevented from flowing backward into the blower under the condition that the first control valve 4 is not closed in time, and the service life of the blower is prolonged.
In some embodiments, referring to fig. 1, the conveying pipeline 1 of the present embodiment includes a first pipeline 11 and a second pipeline 12, an inlet of the first pipeline 11 is communicated with a fan, an outlet of the first pipeline 11 is communicated with an inlet of the second pipeline 12, wherein the first control valve 4 is located in the first pipeline 11, and the second control valve 5 is located in the second pipeline 12. The first pipeline 11 and the second pipeline 12 can be connected in a clamping, inserting, welding and connecting way. The diameters of the first pipeline 11 and the second pipeline 12 can be the same or different, and the connection mode and the size specification of the first pipeline 11 and the second pipeline 12 can be flexibly determined according to the industrial production requirements. The present embodiment facilitates the transportation and installation of the transfer duct 1 on the one hand and the installation and maintenance of the first control valve 4 and the second control valve 5 in the transfer duct 1 on the other hand by providing the transfer duct 1 as separate first and second ducts 11, 12.
The first check valve 2 of the present embodiment may be located in the first pipe 11 and located on a side of the first control valve 4 away from the fan; alternatively, the first check valve 2 is located in the second pipe 12 and on the side of the second control valve 5 close to the first pipe 11; or the first check valve 2 is located between the first pipe 11 and the second pipe 12, so that the first check valve 2 is fixed by using the connection position of the first pipe 11 and the second pipe 12, and the fixing structure of the first check valve 2 is not required to be independently arranged, so that the installation of the first check valve 2 is simplified.
In some embodiments, referring to fig. 1, a first flange 111 is disposed at an end of the first duct 11 remote from the fan, and a second flange 121 is disposed at an end of the second duct 12 near the first duct 11, and the first flange 111 and the second flange 121 are connected by a connection member, such as a bolt 3. The first one-way valve 2 is tightly pressed between the first flange 111 and the second flange 121, so that the connection of the first pipeline 11 and the second pipeline 12 is realized, the fixation of the first one-way valve 2 is realized, and the structure of the whole conveying pipeline 1 is simpler.
In some embodiments, referring to fig. 1, the first flange 111 and the second flange 121 are connected by a plurality of bolts 3, and the plurality of bolts 3 are distributed along the circumference of the first flange 111 or the second flange 121 to ensure the connection stability of the first flange 111 and the second flange 121, and the first check valve 2 is pressed in the area surrounded by the bolts 3 to avoid interference caused between the first check valve 2 and the bolts 3, and meanwhile, the tightness of the connection position of the first pipe 11 and the second pipe 12 can be improved.
In some embodiments, referring to fig. 1, the first check valve 2 includes a valve body 21 and a valve plate 22, the valve body 21 is pressed in an area surrounded by the plurality of bolts 3, a through hole 23 is provided on the valve body 21, and a shape of the valve plate 22 is adapted to a shape of the through hole 23. In one example, the through hole 23 is a circular hole and the valve plate 22 is a circular sheet. The valve block 22 articulates in the one side of valve body 21 that deviates from first control valve 4, and valve block 22 is used for opening and closing through-hole 23, and the size of valve block 22 is greater than the size of through-hole 23 to can guarantee that valve block 22 can close through-hole 23 completely, and can not enter into in the through-hole 23, guarantee the unidirectional conduction effect of first check valve 2.
In some embodiments, referring to fig. 1, the valve plate 22 is hinged above the valve body 21 along the gravity direction, referring to the orientation shown in fig. 1, the conveying pipeline 1 is placed in the left-right direction, the valve plate 22 is located above the valve body 21, and when the blower is stopped, the valve plate 22 can timely close the through hole 23 under the action of self gravity, so that cement is prevented from flowing backward into the blower in the stopping process of the blower.
In some embodiments, referring to fig. 1, a mounting groove 211 is provided along a peripheral side of the through hole 23 on a side of the valve body 21 close to the valve plate 22, and the valve plate 22 is hinged in the mounting groove 211, so that cement is prevented from flowing into the through hole 23 from a peripheral edge of the valve plate 22 after the valve plate 22 closes the through hole 23, and thus tightness between the valve plate 22 and the through hole 23 is improved.
In some embodiments, a gasket (not shown) is disposed in the mounting groove 211, so as to further improve the sealing between the valve plate 22 and the through hole 23. The gasket is sized to match the size of the mounting groove 211, illustratively the mounting groove 211 is an annular groove and the gasket is an annular gasket. The gasket may be an elastic member, such as a rubber gasket.
In some embodiments, referring to fig. 1, the second control valve 5 is a second one-way valve that allows fluid flow from the fan outlet to the first one-way valve 2, an exemplary second one-way valve being a butterfly one-way valve. And/or, the first control valve 4 is a normally open valve, and in a scene that the blower needs to be frequently used, the first control valve 4 is in a normally open state, so that the conduction efficiency of the conveying pipeline 1 can be improved. In a long-term non-use scenario, the first control valve 4 is closed, thereby avoiding foreign substances from entering the interior of the delivery conduit 1. Illustratively, the normally open valve is a manual butterfly valve.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (10)
1. The utility model provides a prevent air-blower of cement backward flow, its characterized in that, the air-blower include the fan and with pipeline (1) that the fan links to each other, set gradually first control valve (4) and second control valve (5) along the gas flow direction in pipeline (1), first control valve (4) with set up first check valve (2) between second control valve (5).
2. A blower according to claim 1, characterized in that the conveying duct (1) comprises a first duct (11) and a second duct (12), the inlet of the first duct (11) being in communication with the blower, the outlet of the first duct (11) being in communication with the inlet of the second duct (12);
the first control valve (4) is located in the first pipeline (11), and the second control valve (5) is located in the second pipeline (12).
3. A blower according to claim 2, characterized in that the first one-way valve (2) is located between the first duct (11) and the second duct (12).
4. A blower according to claim 3, characterized in that an end of the first duct (11) remote from the blower is provided with a first flange (111), an end of the second duct (12) close to the first duct (11) is provided with a second flange (121), the first flange (111) and the second flange (121) being connected by a connection;
the first one-way valve (2) is compressed between the first flange (111) and the second flange (121).
5. The blower according to claim 4, characterized in that the first flange (111) and the second flange (121) are connected by a plurality of bolts (3), the first one-way valve (2) being compressed in an area enclosed by the bolts (3).
6. A blower according to claim 5, characterized in that the first one-way valve (2) comprises a valve body (21) and a valve plate (22), the valve body (21) is pressed in an area surrounded by a plurality of bolts (3), and a through hole (23) is arranged on the valve body (21);
the valve plate (22) is hinged to one side of the valve body (21) away from the first control valve (4), the valve plate (22) is used for opening and closing the through hole (23), and the size of the valve plate (22) is larger than that of the through hole (23).
7. A blower according to claim 6, characterized in that the valve plate (22) is hinged above the valve body (21) in the direction of gravity.
8. A blower according to claim 6, characterized in that a side of the valve body (21) adjacent to the valve plate (22) is provided with a mounting groove (211) along a peripheral side of the through hole (23), the valve plate (22) being hinged in the mounting groove (211).
9. The blower according to claim 8, wherein a gasket is provided in the mounting groove (211).
10. A blower according to claim 1, characterized in that the first control valve (4) is a second one-way valve, which is a butterfly-shaped one-way valve; and/or the number of the groups of groups,
the second control valve (5) is a normally open valve, and the normally open valve is a manual butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003140.5U CN219911202U (en) | 2023-04-25 | 2023-04-25 | Prevent air-blower that cement backward flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003140.5U CN219911202U (en) | 2023-04-25 | 2023-04-25 | Prevent air-blower that cement backward flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911202U true CN219911202U (en) | 2023-10-27 |
Family
ID=88425374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321003140.5U Active CN219911202U (en) | 2023-04-25 | 2023-04-25 | Prevent air-blower that cement backward flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911202U (en) |
-
2023
- 2023-04-25 CN CN202321003140.5U patent/CN219911202U/en active Active
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