CN215000961U - High-efficiency reliable automatic pollution discharge device for gas storage tank - Google Patents
High-efficiency reliable automatic pollution discharge device for gas storage tank Download PDFInfo
- Publication number
- CN215000961U CN215000961U CN202120850846.XU CN202120850846U CN215000961U CN 215000961 U CN215000961 U CN 215000961U CN 202120850846 U CN202120850846 U CN 202120850846U CN 215000961 U CN215000961 U CN 215000961U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- series
- valve
- ball valve
- silencer
- 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.)
- Withdrawn - After Issue
Links
- 230000003584 silencer Effects 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Abstract
High-efficient reliable automatic waste fitting discharging of gas holder. At present, the pollution discharge is realized by manually and regularly opening a stop valve and a ball valve. The pollution discharge frequency is low, and personnel need to stay on site for a long time during the pollution discharge period, so that the actual pollution discharge time is not easy to control, and the compressed air is wasted. The utility model discloses the constitution includes: the device comprises a DCS control device (3), a gas storage tank (1), a pressure transmitter (2), a series pneumatic ball valve (4), a manual stop valve (13), a ball valve (5), a series self-drainage gas source filter (8) and an electromagnetic valve (12) for removing a silencer; the manual stop valve and the ball valve are connected in series on a sewage discharge pipeline (6) of the gas storage tank, the series pneumatic ball valve is welded at an outlet of the manual stop valve (13) of the sewage discharge pipeline, and the series self-drainage gas source filter is arranged on a solenoid valve gas source pipeline (9) between a gas outlet main pipe (7) of the gas storage tank and a solenoid valve for removing the silencer. The utility model is used for the automatic blowdown of gas holder.
Description
The technical field is as follows:
the utility model belongs to the technical field of the gas holder blowdown, especially, relate to automatic waste fitting discharging of compressed air gas holder.
Background art:
the air storage tank is important equipment in a compressed air system for the thermal power plant instrument, a special sewage discharge pipeline is originally designed at the bottom of the air storage tank, a manual stop valve and a manual ball valve are matched, the air storage tank is connected in series, and sewage discharge is realized by manually and periodically opening the stop valve and the ball valve. The frequency of sewage discharge is low, personnel need to stay on site for a long time during the sewage discharge period, the actual sewage discharge time is not easy to control, compressed air is wasted, and the system pressure is unstable due to manual sewage discharge under the condition of low system pressure.
The utility model has the following contents:
the utility model aims at providing a high-efficient reliable automatic waste fitting discharging of gas holder to solve current problem.
The above purpose is realized by the following technical scheme:
an efficient and reliable automatic pollution discharge device for an air storage tank comprises: the device comprises a DCS control device, a gas storage tank, a pressure transmitter, a serial pneumatic ball valve, a manual stop valve, a ball valve, a serial self-drainage gas source filter and an electromagnetic valve for removing a silencer;
the manual stop valve and the manual ball valve are connected in series on a sewage discharge pipeline of the gas storage tank, the series pneumatic ball valve is welded at the outlet of the manual stop valve of the sewage discharge pipeline, the electromagnetic valve for removing the silencer is arranged on the series pneumatic ball valve, and the series self-draining air source filter is arranged on an electromagnetic valve air source pipeline between the gas outlet main pipe of the gas storage tank and the electromagnetic valve for removing the silencer;
the DCS control device is respectively connected with the pressure transmitter, the electromagnetic valve for removing the silencer and the series pneumatic ball valve through a flame-retardant shielding control cable for pollution discharge control.
The automatic blowdown device of the high-efficiency reliable gas storage tank is characterized in that the self-drainage gas source filter adopts a series structure, a metal shell, a gas source filter with a pressure gauge display function and a self-drainage function.
The high-efficiency reliable automatic blowdown device of the gas storage tank is characterized in that the electromagnetic valve for removing the silencer specifically adopts a two-position three-way electromagnetic valve with a double coil for removing the silencer.
The high-efficiency reliable automatic blowdown device of the gas storage tank is characterized in that the series self-drainage gas source filter adopts a gas source filter with an automatic drainage metal shell with a pressure display function.
The high-efficiency reliable automatic blowdown device of the gas storage tank is characterized in that the pressure transmitter adopts an ABB single-port lower-end air inlet pressure transmitter.
Has the advantages that:
1. DCS controlling means pass through feedback device and realize the monitoring of gas holder blowdown valve state, realize the switching of automatic blowdown mode and the manual automatic control mode when adjustable interval and adjustable blowdown through the DCS configuration, really realize the automation of gas holder blowdown convenient, save the manual work.
2. The utility model discloses in, the pneumatic ball valve of series connection directly carries out welded connection with former drain, does not destroy original project organization's reliability, and the risk when series connection pneumatic ball valve structure greatly reduced automatics failure has promoted the reliability of system.
3. The utility model discloses well series connection is from hydrophobic air supply filter, utilizes series structure, has promoted the reliability of solenoid valve air supply from hydrophobic function, gets rid of the former silencer that is furnished with of solenoid valve simultaneously, optimizes the business turn over gas of solenoid valve, has promoted the reliability of solenoid valve action.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic interface diagram of a DCS control;
in the figure: 1. a gas storage tank; 2. a pressure transmitter; 3. a DCS control device; 4. pneumatic ball valves are connected in series; 5. a ball valve; 6. a sewage draining pipeline; 7. an air outlet header pipe of the air storage tank; 8. a self-drainage gas source filter is connected in series; 9. an electromagnetic valve air source pipeline; 10. a flame retardant shielded control cable; 11. a sewage draining outlet; 12. 13, removing the electromagnetic valve of the silencer, and manually operating the stop valve;
31. setting and displaying single sewage discharge time; 32. automatically timing the drainage time interval setting display; 33. an automatic mode input button; 34. a chain throw-in button; 35. displaying the on-off state of the series pneumatic ball valve 1; 36. the on-off state of the series pneumatic ball valve 2 is displayed; 37. A signal input terminal board; 38. a signal output module; 39. the two-way self-switching power supply device provides reliable power supply.
The specific implementation mode is as follows:
example 1:
an efficient and reliable automatic pollution discharge device for an air storage tank comprises: the system comprises a DCS control device 3, a gas storage tank 1, a pressure transmitter 2, a series pneumatic ball valve 4, a manual stop valve 13, a ball valve 5, a series self-drainage gas source filter 8 and an electromagnetic valve 12 for removing a silencer;
the manual stop valve and the ball valve are connected in series on a sewage discharge pipeline 6 of the gas storage tank, the series pneumatic ball valve is welded at an outlet of the manual stop valve 13 of the sewage discharge pipeline, the electromagnetic valve for removing the silencer is installed on the series pneumatic ball valve 4, the electromagnetic valve for removing the silencer is installed on a pneumatic ball valve cylinder, and the series self-draining gas source filter is installed on an electromagnetic valve gas source pipeline 9 between a gas outlet main pipe 7 of the gas storage tank and the electromagnetic valve for removing the silencer;
the DCS control device is respectively connected with the pressure transmitter, the electromagnetic valve for removing the silencer and the series pneumatic ball valve through a flame-retardant shielding control cable for pollution discharge control.
The interface design of the DCS control device 3 comprises a single blowdown time setting display 31, an automatic timing blowdown time interval setting display 32, an automatic mode switching button 33, a linkage switching button 34, a series pneumatic ball valve 1 on-off state display 35, a series pneumatic ball valve 2 on-off state display 36, a signal input module 37, a signal output module 38 and a reliable power supply 39 provided by a double-way self-switching power supply device.
Example 2:
according to the automatic pollution discharge device of the efficient and reliable air storage tank in the embodiment 1, the self-drainage air source filter adopts a series structure, a metal shell, an air source filter with a pressure gauge display function and a self-drainage function.
Example 3:
according to the automatic sewage discharging device of the efficient and reliable air storage tank in the embodiment 1 or 2, the electromagnetic valve for removing the silencer specifically adopts a two-position three-way electromagnetic valve with a double coil for removing the silencer.
Example 4:
the automatic blowdown device for the high efficiency reliable air storage tank according to the embodiment 1, 2 or 3, wherein the series self-hydrophobic air source filter adopts an air source filter with an automatic hydrophobic metal shell with a pressure display.
Example 5:
according to the automatic sewage discharging device of the high-efficiency reliable air storage tank in the embodiment 1 or 2 or 3 or 4, the pressure transmitter adopts an ABB single-port lower-end air inlet pressure transmitter.
Example 6:
the DCS control device 3 specifically adopts a Belgium SYMPHONY series controller input and output module, and a double-circuit self-switching power supply is directly taken from a general electromagnetic valve cabinet of a power plant.
Example 7:
the series pneumatic ball valve adopts a double-cylinder pneumatic ball valve with a switch state feedback double-auxiliary contact.
The working principle of the utility model is that in the working process, when the gas holder needs to be drained, an operator confirms that the pneumatic ball valve 8 in series connection in the initial state is in the closed state, the manual stop valve and the manual ball valve 5 are in the open state, the manual pneumatic ball valve in series connection can be selected to be opened on the DCS control loop interface, the pneumatic ball valve in series connection is opened and closed according to the remote manual control of actual needs to realize the remote manual drainage, the automatic mode input button 33 is pressed to realize the automatic drainage of the gas holder after the single drainage time setting display 31 and the automatic timing drainage time interval setting display 32 are set. The operator can choose to put into the chain throw-in button 34 on the interface of the DCS control loop, when the pressure transmitter 2 measures that the pressure is lower than a fixed value (the fixed value can be set by a thermal technician), the DCS control loop will lock and cancel the automatic pollution discharge at the moment, and only when the pressure of the gas storage tank is higher than the fixed value, the automatic pollution discharge or the manual pollution discharge can be carried out.
Claims (5)
1. The utility model provides a high-efficient reliable automatic waste fitting discharging of gas holder which characterized by: the composition comprises: the device comprises a DCS control device, a gas storage tank, a pressure transmitter, a serial pneumatic ball valve, a manual stop valve, a ball valve, a serial self-drainage gas source filter and an electromagnetic valve for removing a silencer;
the manual stop valve and the ball valve are connected in series on a sewage discharge pipeline of the gas storage tank, the series pneumatic ball valve is welded at the outlet of the manual stop valve of the sewage discharge pipeline, the electromagnetic valve for removing the silencer is arranged on the series pneumatic ball valve, and the series self-draining air source filter is arranged on an electromagnetic valve air source pipeline between an air outlet main pipe of the gas storage tank and the electromagnetic valve for removing the silencer;
the DCS control device is respectively connected with the pressure transmitter, the electromagnetic valve for removing the silencer and the series pneumatic ball valve through a flame-retardant shielding control cable for pollution discharge control.
2. An automatic blowdown apparatus for an efficient and reliable air storage tank as claimed in claim 1, wherein: the self-drainage air source filter adopts a series structure, a metal shell, an air source filter with a pressure gauge display and a self-drainage function.
3. An automatic blowdown apparatus for an efficient and reliable air storage tank as claimed in claim 1, wherein: the electromagnetic valve for removing the silencer specifically adopts a two-position three-way electromagnetic valve with a double coil for removing the silencer.
4. An automatic blowdown apparatus for an efficient and reliable air storage tank as claimed in claim 1, wherein: the series self-hydrophobic air source filter adopts an air source filter with an automatic hydrophobic metal shell with a pressure display.
5. An automatic blowdown apparatus for an efficient and reliable air storage tank as claimed in claim 1, wherein: the pressure transmitter adopts an ABB single-port lower end air inlet pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120850846.XU CN215000961U (en) | 2021-04-24 | 2021-04-24 | High-efficiency reliable automatic pollution discharge device for gas storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120850846.XU CN215000961U (en) | 2021-04-24 | 2021-04-24 | High-efficiency reliable automatic pollution discharge device for gas storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215000961U true CN215000961U (en) | 2021-12-03 |
Family
ID=79091126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120850846.XU Withdrawn - After Issue CN215000961U (en) | 2021-04-24 | 2021-04-24 | High-efficiency reliable automatic pollution discharge device for gas storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215000961U (en) |
-
2021
- 2021-04-24 CN CN202120850846.XU patent/CN215000961U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211203 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211203 Effective date of abandoning: 20240322 |