CN214467011U - Automatic air inlet device for closed pipeline - Google Patents
Automatic air inlet device for closed pipeline Download PDFInfo
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- CN214467011U CN214467011U CN202120493929.8U CN202120493929U CN214467011U CN 214467011 U CN214467011 U CN 214467011U CN 202120493929 U CN202120493929 U CN 202120493929U CN 214467011 U CN214467011 U CN 214467011U
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- air inlet
- automatic air
- closed pipeline
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Abstract
The utility model discloses an automatic air inlet unit of closed conduit, including closed conduit, just pressure in the closed conduit is in the negative pressure, set up at least one automatic air inlet assembly on the closed conduit, just automatic air inlet assembly includes the bypass pipe, bypass pipe and closed pipeline intercommunication, and all set up the manometer on the bypass pipe, just the manometer can monitor the pressure value in the closed conduit through the bypass pipe, automatic air inlet assembly still includes the pneumatic valve, pneumatic valve and closed pipeline intercommunication to can let in the air in the closed conduit. By adding the automatic air inlet assembly on the closed pipeline, when the closed pipeline is damaged and leaked, a damaged point can be quickly positioned through the pressure change of the pressure gauge; meanwhile, a pneumatic valve is arranged beside the pressure gauge, and when the pressure reaches a set range value, the pneumatic valve is opened to supplement required air for the closed pipeline, so that the internal consumption of the closed pipeline is reduced, and the pollution discharge rate of the closed pipeline is increased.
Description
Technical Field
The utility model relates to a negative pressure drainage system field especially relates to an automatic air inlet unit that is used for negative pressure drainage system's closed conduit.
Background
The working principle of the negative pressure drainage system is that a vacuum pump is used for pumping air in a negative pressure power center and a pipe network to form a negative pressure state, the negative pressure state is transmitted to a user terminal through a negative pressure collection pipe network, and the negative pressure in a negative pressure collection pipeline is used for realizing the dirt pumping capacity. The sewage is conveyed to a negative pressure power center by a negative pressure sewage pipe network for collection through a negative pressure toilet stool, a negative pressure collector, a negative pressure pipe and the like. Compared with the traditional gravity sewage discharge system, the negative pressure drainage system has the characteristics of wide application range; the system has high tightness; small pipe diameter, shallow burying depth, no sludge, low operation cost and the like. The negative pressure drainage system is a novel drainage system and has the advantages of large application potential, wide application occasions and superior engineering and technical economy.
However, in the present stage, most of the negative pressure collecting pipes are sealed pipes, when the interface valve in the negative pressure collector is closed, the pipes are in a closed state, the whole pipes are in a closed state, and the sewage in the pipes is gathered at the low position, see fig. 2, so that at the moment when the interface valve is opened, the pressure needs to be offset for work, and the work efficiency in the pipes is greatly reduced.
Therefore, the present invention aims to provide an automatic air intake device for a closed pipeline.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, an object of the present invention is to provide an automatic air inlet device for a closed pipeline.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an automatic air inlet unit of closed conduit, includes the closed conduit, just pressure in the closed conduit is in the negative pressure, just set up at least one automatic subassembly of admitting air on the closed conduit, just the automatic subassembly of admitting air includes the bypass pipe, bypass pipe and closed pipeline intercommunication, and all set up the manometer on the bypass pipe, just the manometer can be through the pressure value in bypass pipe monitoring closed conduit, the automatic subassembly of admitting air still includes the pneumatic valve, pneumatic valve and closed pipeline intercommunication to can let in the air in the closed conduit.
Preferably, two interfaces are arranged on the bypass pipe, and the two interfaces are respectively connected with the pressure gauge and the pneumatic valve. Referring to the drawings, this is a first connection that ensures that the automatic air inlet assembly is provided with as little change as possible to the enclosed duct.
Preferably, the automatic air intake assembly may further include two bypass pipes, and the two bypass pipes are disposed adjacent to each other, and the two bypass pipes are respectively connected to the pressure gauge and the pneumatic valve. Referring to the attached drawings, the second connection mode is adopted, and compared with the first connection mode, the pressure gauge and the pneumatic valve are arranged at intervals, so that the condition that the pressure gauge and the pneumatic valve are failed due to timely renovation can be ensured, and the situation that a bypass pipe is blocked to cause the failure of the pressure gauge and the pneumatic valve can be prevented.
Preferably, the pressure gauge can control the opening and closing of the pneumatic valve. The pressure gauge is used for testing the gas pressure in the closed pipeline, when the gas pressure value reaches a set range, the pneumatic valve is opened, air is introduced, and the gas-liquid ratio in the closed pipeline is adjusted.
The utility model has the advantages that the automatic air inlet component is added on the closed pipeline, when the closed pipeline is damaged and leaked, the damaged point can be quickly positioned through the pressure change of the pressure gauge; meanwhile, a pneumatic valve is arranged beside the pressure gauge, and when the pressure reaches a set range value, the pneumatic valve is opened to supplement required air for the closed pipeline, so that the internal consumption of the closed pipeline is reduced, and the pollution discharge rate of the closed pipeline is increased.
Drawings
Fig. 1 is a schematic structural view of an automatic air inlet device for a closed pipeline.
Fig. 2 is a schematic view of a conventional closed duct.
In the figure: 1-closed pipeline, 2-bypass pipe, 3-pressure gauge and 4-pneumatic valve.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawings 1-2, the automatic air inlet device for the closed pipeline in the embodiment includes a closed pipeline 1, the pressure in the closed pipeline 1 is at negative pressure, at least one automatic air inlet assembly is arranged on the closed pipeline 1, the automatic air inlet assembly includes a bypass pipe 2, the bypass pipe 2 is communicated with the closed pipeline, pressure gauges 3 are arranged on the bypass pipe 2, the pressure gauges 3 can monitor the pressure value in the closed pipeline through the bypass pipe 2, the automatic air inlet assembly further includes a pneumatic valve 4, the pneumatic valve 4 is communicated with the closed pipeline, and air can be introduced into the closed pipeline 1.
The bypass pipe 2 is provided with two interfaces which are respectively connected with the pressure gauge 3 and the pneumatic valve 4. Referring to the drawings, this is a first connection which ensures that the provision of an automatic air inlet assembly is achieved with as little change as possible to the closed conduit 1. See the automatic air intake assembly on the right side of fig. 1.
The automatic air inlet assembly can also comprise two bypass pipes 2, the two bypass pipes 2 are arranged adjacently, and the two bypass pipes 2 are respectively connected with a pressure gauge 3 and an air valve 4. Referring to the attached drawings, the second connection mode is a second connection mode, and compared with the first connection mode, the pressure gauge 3 and the pneumatic valve 4 are arranged at intervals, so that the situation that the pressure gauge 3 and the pneumatic valve 4 are failed due to blockage of a bypass pipe 2 is prevented by timely repairing the failure. See the left hand side of fig. 1 for an automatic air intake assembly.
The pressure gauge 3 can control the opening and closing of the pneumatic valve 4. Namely, the pressure gauge 3 is used for testing the gas pressure in the closed pipeline 1, when the gas pressure value reaches a set range, the pneumatic valve 4 is opened, air is introduced, and the gas-liquid ratio in the closed pipeline 1 is adjusted.
The automatic air inlet device of the closed pipeline 1 has the advantages that the automatic air inlet assembly is additionally arranged on the closed pipeline 1, so that when the closed pipeline 1 is damaged and leaked, a damaged point can be quickly positioned through the pressure change of the pressure gauge 3; meanwhile, the pneumatic valve 4 is arranged beside the pressure gauge 3, when the pressure reaches a set range value, the pneumatic valve 4 is opened to supplement required air for the closed pipeline 1, the internal consumption of the closed pipeline 1 is reduced, and the pollution discharge rate of the closed pipeline 1 is increased.
In a negative pressure drainage system, a negative pressure pipeline (a closed pipeline 1) is connected with a negative pressure toilet stool and a negative pressure collector, the negative pressure toilet stool is arranged in each household, the negative pressure collector is generally arranged at a sewage treatment station or other stations, so that the negative pressure pipeline can form a huge negative pressure pipeline network, the problem of sewage accumulation as shown in the attached drawing inevitably exists in the negative pressure pipeline, and the significance of adding an automatic air inlet assembly is particularly important. The automatic air inlet assembly can be arranged in a plurality of modes according to requirements, or a plurality of groups are arranged at equal intervals, the automatic air inlet assemblies of the multiple groups are arranged in the same Internet of things monitoring system, the Internet of things monitoring system is arranged in a station and can be checked by workers, the serial number and the position of each automatic air inlet assembly are clear, and when faults occur, the automatic air inlet assembly facilitates accurate positioning maintenance of maintenance personnel and timely elimination of fault points.
Certainly, under general condition, what utilize the automatic subassembly of admitting air to realize offsets the problem that the work efficiency is low that closed pipeline 1 inside sewage gathering leads to, its principle is, all set up the automatic subassembly of admitting air in the both sides of sewage gathering part, manometer 3 in these two sets of automatic subassemblies of admitting air all monitors inside gas pressure in real time moreover, and when exceeding the default, manometer 3 can control pneumatic valve 4 and open, adjusts the gas-liquid ratio, in time gets rid of the sewage of gathering part. Of course, for convenience of use, in the monitoring system of the internet of things, the set value of the pressure gauge 3 and the opening and closing of the pneumatic valve 4 should also be controlled. Each group of automatic air inlet assemblies operates independently in theory, and meanwhile, in the Internet of things monitoring system of the automatic air inlet assemblies, the system can be controlled, so that the automatic air inlet assemblies are matched with the closed pipeline 1, and efficient work is realized as far as possible.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (3)
1. The utility model provides an automatic air inlet unit of closed pipeline, includes closed pipeline, and the pressure in the closed pipeline is in the negative pressure, its characterized in that: set up at least one automatic air inlet assembly on the closed conduit, just automatic air inlet assembly includes the bypass pipe, bypass pipe and closed pipeline intercommunication, and set up the manometer on the bypass pipe, just the manometer can be through the pressure value in the bypass pipe monitoring closed conduit, automatic air inlet assembly still includes the pneumatic valve, pneumatic valve and closed pipeline intercommunication to can let in the closed conduit with the air.
2. An automatic air inlet device for a closed pipeline according to claim 1, wherein: the bypass pipe is provided with two interfaces which are respectively connected with the pressure gauge and the pneumatic valve.
3. An automatic air inlet device for a closed pipeline according to claim 1, wherein: the pressure gauge can control the opening and closing of the pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120493929.8U CN214467011U (en) | 2021-03-03 | 2021-03-03 | Automatic air inlet device for closed pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120493929.8U CN214467011U (en) | 2021-03-03 | 2021-03-03 | Automatic air inlet device for closed pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214467011U true CN214467011U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120493929.8U Active CN214467011U (en) | 2021-03-03 | 2021-03-03 | Automatic air inlet device for closed pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214467011U (en) |
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2021
- 2021-03-03 CN CN202120493929.8U patent/CN214467011U/en active Active
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