CN219334507U - Pneumatic clutch air source conveying system of coal mill - Google Patents
Pneumatic clutch air source conveying system of coal mill Download PDFInfo
- Publication number
- CN219334507U CN219334507U CN202320334310.1U CN202320334310U CN219334507U CN 219334507 U CN219334507 U CN 219334507U CN 202320334310 U CN202320334310 U CN 202320334310U CN 219334507 U CN219334507 U CN 219334507U
- Authority
- CN
- China
- Prior art keywords
- air
- pneumatic clutch
- storage tank
- coal mill
- supply pipeline
- 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
- Disintegrating Or Milling (AREA)
Abstract
The application provides a pneumatic clutch air source conveying system of a coal mill, which comprises a main motor, a pneumatic clutch, the coal mill, an air transmission assembly and an air supply assembly; the main motor is connected with the coal mill through a pneumatic clutch; the air outlet of the air transmission assembly is communicated with an air bag of the pneumatic clutch; the two ends of a first air supply pipeline in the air supply assembly are respectively communicated with an air outlet of the air compressor and an air inlet of the air transmission assembly, an air source inlet is formed in the first air supply pipeline, two ends of a second air supply pipeline are respectively communicated with the air source inlet and an air outlet of the instrument air storage tank, a first regulating valve is arranged on the air outlet of the air compressor and a pipe body of the air source inlet of the first air supply pipeline, and the air inlet of the instrument air storage tank is used for communicating an air separation unit. The instrument air storage tank of this application is comparatively clean and pressure stabilization by the air supply that the air separation unit provided for each part is difficult for taking place to block up, and then has prolonged the life of each part, and has ensured that pneumatic clutch's operation is more stable, and the fault rate is low.
Description
Technical Field
The application relates to a pneumatic clutch air source transformation technology, in particular to a pneumatic clutch air source conveying system of a coal mill.
Background
In the methanol production, the normal operation of a coal mill in a multi-slurry preparation section is a determining factor for ensuring that qualified and sufficient multi-slurry can be produced, and the normal operation of a pneumatic clutch of the coal mill is an important influencing factor for influencing the operation of a mill.
The existing pneumatic clutch adopts an air compressor to provide an air source, wherein the air compressor directly supplies air in a factory building to the pneumatic clutch of a coal mill, and air generated by various production methanol and dust of materials in the factory building are scattered in the multi-component slurry preparation factory in the methanol production process, so that the air quality in the factory building is poor, and therefore, the air compressor needs to be cleaned regularly in the process of supplying air to the pneumatic clutch through the air compressor, the air compressor is started more frequently, the operation of the pneumatic clutch is affected, and the normal operation of the coal mill is affected.
Therefore, in order to ensure the normal and stable operation of the pneumatic clutch, the air source of the existing pneumatic clutch is modified.
Disclosure of Invention
The application provides a pneumatic clutch air source conveying system of a coal mill, which is used for solving the problems in the background technology.
In order to solve the technical problems, the application is realized by adopting the following technical scheme:
the application provides a pneumatic clutch air source conveying system of a coal mill, which comprises a main motor, a pneumatic clutch, the coal mill, an air transmission assembly and an air supply assembly;
the main motor is connected with the coal mill through the pneumatic clutch;
the air outlet of the air transmission assembly is communicated with the air bag of the pneumatic clutch;
the air supply assembly comprises a first air supply pipeline, an air compressor, a second air supply pipeline and an instrument air storage tank; the two ends of the first air supply pipeline are respectively communicated with the air outlet of the air compressor and the air inlet of the air transmission assembly, the first air supply pipeline is provided with an air source inlet, the two ends of the second air supply pipeline are respectively communicated with the air source inlet and the air outlet of the instrument air storage tank, the first air supply pipeline is provided with a first regulating valve on a pipe body between the air outlet of the air compressor and the air source inlet, and the air inlet of the instrument air storage tank is used for communicating the air separation unit.
Optionally, a first pressure gauge and a first safety valve are arranged on the instrument air storage tank;
the utility model discloses a device for measuring air in an air storage tank, including instrument air storage tank, air supply pipeline, air supply port's one end with the air separation unit intercommunication, first manometer with first relief valve all sets up instrument air storage tank's top, be provided with the second governing valve on the second air supply pipeline.
Optionally, the gas transmission assembly comprises a gas storage tank and a gas transmission pipeline;
the air inlet of the air storage tank is communicated with one end, away from the air outlet of the air compressor, of the first air supply pipeline, the air outlet of the air storage tank is communicated with one end of the air transmission pipeline, and the other end of the air transmission pipeline is communicated with the air bag of the pneumatic clutch.
Optionally, the first air supply pipeline is provided with a first air filter and a one-way valve in sequence on the pipe body between the air source inlet and the air inlet of the air storage tank.
Optionally, a second air filter, a controller and a second safety valve are sequentially arranged on the pipe body of the gas transmission pipeline, which is close to the gas outlet of the gas storage tank, a second pressure gauge is arranged on the controller, and the controller is interlocked with the starter of the coal mill.
Optionally, a quick exhaust valve and a rotary joint are sequentially arranged on the pipe body of the gas transmission pipeline, which is close to the air bag of the pneumatic clutch.
Optionally, a one-way throttle valve is arranged between the quick exhaust valve and the second air filter.
According to the pneumatic clutch air source conveying system of the coal mill, the first regulating valve is closed, air is supplied through the instrument air storage tank, air in the instrument air storage tank enters the air conveying assembly from the air inlet of the air conveying assembly through the second air supply pipeline and the first air supply pipeline, then enters the air bag of the pneumatic clutch through the air outlet of the air conveying assembly, the pneumatic clutch and the coal mill are tightly held by the air bag after the air bag is inflated, the main motor is opened, the pneumatic clutch is driven to start through the main motor, the coal mill starts to grind coal under the action of the pneumatic clutch, and because the instrument air storage tank is provided with the air source by the air separation unit, the air source stored in the instrument air storage tank is clean, the air source stored in the instrument air storage tank is not easy to block by the parts such as the second air supply pipeline, the first air supply pipeline and the air conveying assembly, and the service life of each part is prolonged; in addition, the pressure that instrument air storage tank provided is high and stable, and the operation of pneumatic clutch is more stable under the condition of not having to start the air compressor machine, and the fault rate is low.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pneumatic clutch air source delivery system for a coal pulverizer according to one embodiment of the present disclosure;
FIG. 2 is a schematic view of the structure of the instrument air storage tank, the first air supply pipeline and the second air supply pipeline of FIG. 1, wherein the components are arranged on the air storage tank, the first air supply pipeline and the second air supply pipeline;
fig. 3 is a schematic view of the gas delivery assembly of fig. 2 disposed on a gas delivery pipeline.
In the figure: 100. a main motor; 200. a pneumatic clutch; 300. a coal mill; 400. a gas delivery assembly; 401. a gas storage tank; 402. a gas line; 4021. a second air filter; 4022. a controller; 4023. a second pressure gauge; 4024. a second safety valve; 4025. a quick exhaust valve; 4026. a rotary joint; 4027. a one-way throttle valve; 501. a first air supply duct; 5011. a first regulating valve; 5012. a first air filter; 5013. a one-way valve; 5014. an air source inlet; 502. an air compressor; 503. a second air supply duct; 5031. a second regulating valve; 504. an instrument air storage tank; 5042. a first pressure gauge; 5043. a first safety valve; 600. and an air supply pipeline.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, are also within the scope of the present application based on the embodiments herein.
Referring to fig. 1-3, the present application provides a coal pulverizer pneumatic clutch air source delivery system, comprising a main motor 100, a pneumatic clutch 200, a coal pulverizer 300, an air delivery assembly 400, and an air supply assembly;
the main motor 100 is connected with the coal mill 300 through the pneumatic clutch 200; the coal mill 300 is driven by a first gear (such as a spiral gear) arranged on a casing of the coal mill 300, the first gear is driven by a second gear, the second gear is arranged on the pneumatic clutch 200, the main motor 100 drives a pinion on the pneumatic clutch 200 to rotate, and in an air bag inflation state of the pneumatic clutch 200, the pinion on the pneumatic clutch 200 is connected with the spiral gear on the casing of the coal mill 300, and the main motor 100 drives the pneumatic clutch 200 to drive the coal mill 300 to mill coal; in the state that the air bag of the pneumatic clutch 200 is not inflated or is not inflated enough, the pinion gear on the pneumatic clutch is separated from the spiral gear on the casing of the coal mill, the main motor drives the pinion gear on the pneumatic clutch 200 to rotate, and the coal mill 300 is not moved. In particular, the process and principle of how the main motor 100 drives the pneumatic clutch 200 and drives the coal pulverizer 300 to turn on the pulverizer will not be further described, and reference is made to the prior art.
The air outlet of the air transmission assembly 400 is communicated with an air bag of the pneumatic clutch 200; after the air bag in the pneumatic clutch 200 is inflated by the air transmission assembly 400, the pneumatic clutch 200 and the coal mill 300 are in a hugging state (i.e. a state that the second gear on the pneumatic clutch 200 is meshed with the first gear on the coal mill 300), and under the driving action of the main motor 100, the pneumatic clutch 200 drives the coal mill 300 to start the coal milling operation.
The air supply assembly comprises a first air supply pipeline 501, an air compressor 502, a second air supply pipeline 503 and an instrument air storage tank 504; the two ends of the first air supply pipeline 501 are respectively communicated with the air outlet of the air compressor 502 and the air inlet of the air transmission assembly 400, the first air supply pipeline 501 is provided with an air source inlet 5014, the two ends of the second air supply pipeline 503 are respectively communicated with the air source inlet 5014 and the air outlet of the instrument air storage tank 504, the first air supply pipeline 501 is provided with a first regulating valve 5011 on a pipe body between the air outlet of the air compressor 502 and the air source inlet 5014, and the air inlet of the instrument air storage tank 504 is used for communicating with an air separation unit. Wherein the air separation unit is a set of industrial equipment for separating the component gases in the air to produce oxygen and nitrogen, so that the gas supplied from the air separation unit to the instrument air storage tank 504 is clean and stable in pressure.
In the actual air supply process, the first regulating valve 5011 is closed, and air is supplied through the instrument air storage tank 504, wherein the air in the instrument air storage tank 504 enters the air transmission assembly 400 from the air inlet of the air transmission assembly 400 through the second air supply pipeline 503 and the first air supply pipeline 501, then enters the air bag of the pneumatic clutch 200 through the air outlet of the air transmission assembly 400, the pneumatic clutch 200 is tightly held by the air bag and the coal mill 300 after the air bag is inflated, the main motor 100 is opened, the pneumatic clutch 200 is driven by the main motor 100 to start, and the coal mill 300 starts the coal milling operation under the action of the pneumatic clutch 200, and the air stored in the instrument air storage tank 504 is supplied to the air source of the pneumatic clutch 200 through the air supply provided by the air separation assembly, so that the parts such as the second air supply pipeline 503, the first air supply pipeline 501 and the air transmission assembly 400 are not easy to be blocked, and the service life of each part is prolonged; in addition, the air provided to the instrument air storage tank 504 by the air separation unit is clean and of sufficient pressure so that the instrument air storage tank 504 can provide a sufficiently high and stable pressure to the overall coal grinding system, with less failure rate and more stable operation of the pneumatic clutch 200 without activating the air compressor 502. In general, the gas pressure required by the pneumatic clutch to hold the coal mill is not less than 0.65Mpa.
In some embodiments, as shown in fig. 2, a first pressure gauge 5042 and a first relief valve 5043 on the meter air reservoir 504 in the present application; specifically, an air supply pipeline 600 is connected to the air inlet of the instrument air storage tank 504, one end, away from the air supply port 5041, of the air supply pipeline 600 is connected to the air separation unit, the first pressure gauge 5042 and the first safety valve 5043 are both arranged at the top of the instrument air storage tank 504, and the second air supply pipeline 503 is provided with a second regulating valve 5031. In the process of supplying air to the air bag of the pneumatic clutch 200 by using the instrument air storage tank 504, the air pressure in the instrument air storage tank 504 is detected and regulated in real time by the first pressure gauge 5042 and the first safety valve 5043 at the top of the instrument air storage tank 504, when the pressure in the instrument air storage tank 504 reaches the pressure required by the air clutch 200 capable of being tightly held by the coal mill 300, the second regulating valve 5031 is opened, and the air in the instrument air storage tank 504 is conveyed to the air bag of the pneumatic clutch 200 through the air outlet of the instrument air storage tank 504, the second air supply pipeline 503, the air supply inlet 5014, the first air supply pipeline 501 and the air supply assembly 400, so that the pneumatic clutch 200 is tightly held by the coal mill 300, and then the main motor 100 drives the pneumatic clutch 200 to rotate so as to drive the coal mill 300 to operate.
In particular, the instrument air storage tank 504 is supplied by the air separation unit, the pressure in the instrument air storage tank 504 is stable, and the pressure in the instrument air storage tank is always higher than the pressure required by the air clutch 200 to tightly hold the coal mill 300, and the pressure in the instrument air storage tank 504 is regulated to the pressure required by the air clutch 200 to tightly hold the coal mill 300 through the first pressure gauge 5042 and the first safety valve 5043, so that the problem that the air clutch 200 is damaged due to unstable pressure in an air bag of the air clutch 200, and the air clutch 200 is frequently jumped and the damage to the air clutch 200 is caused, the service life of the air clutch 200 is prolonged, and the operation stability of the coal mill 300 is improved.
In some embodiments, the gas delivery assembly 400 of the present application includes a gas storage tank 401 and a gas delivery conduit 402; specifically, the air inlet of the air storage tank 401 is communicated with one end of the first air supply pipeline 501 far away from the air outlet of the air compressor 502, the air outlet of the air storage tank 401 is communicated with one end of the air supply pipeline 402, and the other end of the air supply pipeline 402 is communicated with the air bag of the pneumatic clutch 200. The air storage tank 401 plays a role in storing air entering the air storage tank 401 from the instrument air storage tank 504, the second air supply pipeline 503 and the first air supply pipeline 501 in sequence, the air output by the instrument air storage tank 504 can be stored into the air storage tank 401 first, and when the coal mill 300 needs to be started, the air is discharged from the air storage tank 401 into the air bag of the pneumatic clutch 200, so that the pneumatic clutch 200 is tightly held with the coal mill 300, and the coal grinding process is started.
In some embodiments, as shown in fig. 3, the first air supply pipeline 501 in the present application is provided with a first air filter 5012 and a check valve 5013 in sequence on the pipe shaft between the air supply inlet 5014 and the air intake of the air tank 401. Wherein, the air in the air bag of the pneumatic clutch 200 is purified by the instrument air storage tank 504, the second air supply pipeline 503 and the first air supply pipeline 501 in sequence through the first air filter 5012, thereby ensuring the normal operation of each component in the air transmission assembly 400 and the stable operation of the coal grinding process of the coal mill 300.
In some embodiments, a second air filter 4021, a controller 4022 and a second safety valve 4024 are sequentially arranged on a pipe body of the gas pipeline 402 close to a gas outlet of the gas storage tank 401, a second pressure gauge 4023 is arranged on the controller 4022, and the controller 4022 is interlocked with a starter of the coal mill 300. The pressure of the gas discharged from the gas outlet of the gas storage tank 401 into the gas pipeline 402 can be accurately regulated through the second safety valve 4024 so that the pressure meets the pressure required by the air clutch 200 and the coal mill 300, the gas discharged from the gas outlet of the gas storage tank 401 into the gas pipeline 402 can be further purified through the second air filter 4021, the gas entering the gas bag of the pneumatic clutch 200 is clean gas, the air bag of the pneumatic clutch 200 is prevented from being blocked, and the like, the starting of the pneumatic clutch 200 is prevented from being influenced, the pressure in the gas pipeline 402 can be monitored in real time, and the controller 4022 controls the coal mill 300 to be not operated when the pressure of the gas discharged from the gas outlet of the gas storage tank 401 into the gas pipeline 402 is smaller than the pressure required by the air clutch 200 and the coal mill 300.
In some embodiments, the gas pipeline 402 in the present application is provided with a quick exhaust valve 4025 and a rotary joint 4026 in sequence on the pipe body of the gas bag near the pneumatic clutch 200. When the coal mill 300 stops the coal milling operation, the rotary joint 4026 and the quick exhaust valve 4025 are opened to release the gas in the air bag of the pneumatic clutch 200, so that the pneumatic clutch 200 is disengaged from the coal mill 300, and the coal milling operation is stopped.
In some embodiments, a one-way throttle valve 4027 is provided between the quick exhaust valve 4025 and the second air filter 4021 in the present application. The air supplied by the instrument air storage tank 504 can enter the air bag of the pneumatic clutch 200 through the one-way throttle valve 4027, so that the air in the air bag entering the pneumatic clutch 200 is prevented from flowing back into the air storage tank 401, and the air reserved in the instrument air storage tank 504 is further polluted, so that the cleanliness of the air entering the pneumatic clutch 200 again is higher, and the influence on the normal operation of each component in the air transmission assembly 400 and the coal grinding process are avoided; in addition, the flow rate of the gas entering the air bag of the pneumatic clutch 200 can be adjusted through the one-way throttle valve 4027, so that the pneumatic clutch 200 can accurately hold the coal mill 300 tightly, and stable operation of the coal mill 300 is ensured.
The concrete application principle of the pneumatic clutch air source conveying system of the coal mill provided by the application is as follows:
after the air pressure in the instrument air storage tank 504 is regulated to be higher than the pressure required by the pneumatic clutch 200 to hold the coal mill 300 by the first pressure gauge 5042 and the first safety valve 5043, the pressure in the instrument air storage tank 504 enters the air storage tank 401 through the air outlet of the instrument air storage tank 504, the second air supply pipeline 503 and the first air supply pipeline 501 and is filtered by the first air filter 5012, the air enters the air storage tank 401 through the air inlet of the air storage tank 401 to be stored by the one-way valve 5013, the air enters the air pipeline 402 from the air outlet of the storage tank 401 when the air is stored to a sufficient amount, the pressure in the air pipeline 402 is regulated by the second safety valve 4024 and the second pressure gauge 4023 on the controller 4022, when the pressure in the air pipeline 402 can meet the pressure required by the pneumatic clutch 200 to hold the coal mill 300, the air enters the air bag of the pneumatic clutch 200, the pneumatic clutch 200 is tightly held by the air bag, the pneumatic clutch 200 drives the air mill 300 to rotate, and further drives the coal mill 300 to start to operate by the pneumatic clutch 200, the air joint 4024 is opened after the air pump 300 is stopped, and the air outlet valve 4025 is opened, and the air outlet valve 300 is stopped from the air pump 300. In the above process, when the gas pressure in the gas transmission pipeline 402 detected by the second pressure gauge 4023 is smaller than the gas pressure required by the pneumatic clutch 200 to hold the coal pulverizer 300, the controller 4022 controls the coal pulverizer 300 to stop running.
Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. The pneumatic clutch air source conveying system of the coal mill is characterized by comprising a main motor (100), a pneumatic clutch (200), the coal mill (300), an air conveying component (400) and an air supply component;
the main motor (100) is connected with the coal mill (300) through the pneumatic clutch (200);
the air outlet of the air transmission assembly (400) is communicated with the air bag of the pneumatic clutch (200);
the air supply assembly comprises a first air supply pipeline (501), an air compressor (502), a second air supply pipeline (503) and an instrument air storage tank (504); the utility model discloses a gas compressor, including gas compressor, gas supply subassembly (400), gas supply pipeline (501), gas supply inlet (5014) have been seted up on first gas supply pipeline (501), the both ends of second gas supply pipeline (503) respectively with gas supply inlet (5014) with the gas outlet intercommunication of instrument air storage tank (504), first gas supply pipeline (501) be in the gas outlet of gas compressor (502) with be provided with first governing valve (5011) on the pipe shaft between gas supply inlet (5014), the air inlet of instrument air storage tank (504) is used for the intercommunication air separation unit.
2. The coal mill pneumatic clutch air source delivery system of claim 1, wherein the instrument air reservoir (504) is provided with a first pressure gauge (5042) and a first relief valve (5043);
air supply pipeline (600) is communicated with an air inlet of instrument air storage tank (504), one end of air supply pipeline (600) away from air supply port (5041) is communicated with the air separation unit, first pressure gauge (5042) and first relief valve (5043) are all arranged at the top of instrument air storage tank (504), and second regulating valve (5031) is arranged on second air supply pipeline (503).
3. The coal pulverizer pneumatic clutch air source delivery system of claim 2, wherein the air delivery assembly (400) includes an air reservoir (401) and an air delivery conduit (402);
the air inlet of the air storage tank (401) is communicated with one end, away from the air outlet of the air compressor (502), of the first air supply pipeline (501), the air outlet of the air storage tank (401) is communicated with one end of the air transmission pipeline (402), and the other end of the air transmission pipeline (402) is communicated with an air bag of the pneumatic clutch (200).
4. A pneumatic clutch air supply delivery system for coal mills according to claim 3, characterized in that the first air supply conduit (501) is provided with a first air filter (5012) and a one-way valve (5013) in sequence on the shaft between the air supply inlet (5014) and the air inlet of the air reservoir (401).
5. The pneumatic clutch air source conveying system of the coal mill according to claim 3 or 4, wherein a second air filter (4021), a controller (4022) and a second safety valve (4024) are sequentially arranged on a pipe body of the air conveying pipeline (402) close to an air outlet of the air storage tank (401), a second pressure gauge (4023) is arranged on the controller (4022), and the controller (4022) is interlocked with a starter of the coal mill (300).
6. The pneumatic clutch air source delivery system of the coal mill according to claim 5, wherein a quick exhaust valve (4025) and a rotary joint (4026) are sequentially arranged on a pipe body of the air bag of the air pipe (402) close to the pneumatic clutch (200).
7. The air source delivery system of a coal mill pneumatic clutch according to claim 6, characterized in that a one-way throttle valve (4027) is provided between the quick exhaust valve (4025) and the second air filter (4021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320334310.1U CN219334507U (en) | 2023-02-28 | 2023-02-28 | Pneumatic clutch air source conveying system of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320334310.1U CN219334507U (en) | 2023-02-28 | 2023-02-28 | Pneumatic clutch air source conveying system of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219334507U true CN219334507U (en) | 2023-07-14 |
Family
ID=87078102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320334310.1U Active CN219334507U (en) | 2023-02-28 | 2023-02-28 | Pneumatic clutch air source conveying system of coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219334507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718438A (en) * | 2023-08-07 | 2023-09-08 | 苏州杜尔气体化工装备有限公司 | Gas quality detection sampling device for natural gas skid-mounted gas station |
-
2023
- 2023-02-28 CN CN202320334310.1U patent/CN219334507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116718438A (en) * | 2023-08-07 | 2023-09-08 | 苏州杜尔气体化工装备有限公司 | Gas quality detection sampling device for natural gas skid-mounted gas station |
| CN116718438B (en) * | 2023-08-07 | 2023-10-27 | 苏州杜尔气体化工装备有限公司 | Gas quality detection sampling device for natural gas skid-mounted gas station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219334507U (en) | Pneumatic clutch air source conveying system of coal mill | |
| CN207701324U (en) | A kind of large-scale compressor lubricating system | |
| CN104437229B (en) | Electricity expelling water powder continuous mixing device | |
| CN206787802U (en) | A kind of valve static pressure service life experiment system | |
| CN215987674U (en) | Fluid conveying and energy isolating practical training device | |
| CN218407649U (en) | Fuel oil cleaning system of diesel generating set | |
| CN206668670U (en) | A kind of multi-purpose hydraulic system oil filtering device | |
| CN211573644U (en) | Oil seal system of gas turbine | |
| KR101802839B1 (en) | Turbo compressor and driving method of thereof | |
| CN203783791U (en) | Air starting system of diesel generating set | |
| CN209245711U (en) | A kind of low-pressure fuel gas feeder | |
| CN220918523U (en) | Air filter cleaning system | |
| CN219265408U (en) | Flowmeter clear stifled device | |
| CN201513358U (en) | High-speed centrifugal pump flow regulation and pump-automatic switching system | |
| CN203837357U (en) | Portable low-leakage refrigerant recycling machine | |
| CN202348663U (en) | Modified structure of sewage transferring pump | |
| CN215508255U (en) | Two-fluid cleaning system | |
| JP2005506482A (en) | Spiral screw type liquid seal pump | |
| CN215805483U (en) | High-speed shaft braking device of wind driven generator | |
| CN217872949U (en) | Jacking oil device for power plant maintenance | |
| CN203770263U (en) | Hydraulic pump station for natural gas compressor | |
| CN218347467U (en) | Air starting device of engine | |
| CN217795559U (en) | Natural gas leaking stoppage foam generator | |
| JP2001050185A (en) | Inverter driving type oilless screw compressor and its operation control method | |
| CN218787182U (en) | Vacuum suction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |