CN112058498A - Fault processing method for coal gas purification electric tar precipitator - Google Patents
Fault processing method for coal gas purification electric tar precipitator Download PDFInfo
- Publication number
- CN112058498A CN112058498A CN202010871142.0A CN202010871142A CN112058498A CN 112058498 A CN112058498 A CN 112058498A CN 202010871142 A CN202010871142 A CN 202010871142A CN 112058498 A CN112058498 A CN 112058498A
- Authority
- CN
- China
- Prior art keywords
- tar precipitator
- electric
- gas
- valve
- opening
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/78—Cleaning the electrodes by washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/72—Emergency control systems
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/028—Dust removal by electrostatic precipitation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a method for processing faults of a gas purification electric tar precipitator, belongs to the technical field of coal chemical industry, is suitable for processing faults of the gas purification electric tar precipitator of a coking enterprise, has simple flow and ordered organization, can effectively process accidents and recover production, prevents safety accidents from happening, and has obvious economic benefit and wide application prospect.
Description
Technical Field
The invention relates to the technical field of coal chemical industry, in particular to a fault processing method of an electric tar precipitator for gas purification.
Background
The device for trapping the tar mist in the coal gas has two types, namely a mechanical tar precipitator and an electric tar precipitator, and the electric tar precipitator mainly used for trapping the tar mist in the coal gas in China at present has the characteristics of high tar trapping efficiency, small resistance loss, large gas handling capacity and the like. Not only can ensure the requirements of the subsequent procedures on the gas quality and improve the product recovery rate, but also can obviously change the operating environment. The electric tar precipitator utilizes the action of high-voltage static electricity to generate positive and negative electrodes, so that tar mist in the coal gas is trapped under the action of a high-voltage electric field when the tar mist passes through the electric tar precipitator along with the coal gas. Because the coal gas is inflammable and explosive, the safe operation of the electric tar precipitator must be ensured. In addition, a corona is generated between electrodes of the electric tar precipitator, and a spark discharge phenomenon may occur. If oxygen is mixed in the gas, explosion will occur when the mixing ratio of the gas and the oxygen reaches the explosion limit. Therefore, in order to ensure the normal production, the safe and stable operation and the reduction of the property loss and the casualties of enterprises, the gas electric tar precipitator has the necessary significance for rapidly recovering the production and reducing the loss to the minimum in the face of the abnormal phenomena of the electric tar precipitator, such as increased resistance, frequent fluctuation of current and voltage values, discharge phenomenon on the outside and the like.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a fault treatment method of a gas purification electric tar precipitator.
In order to solve the technical problems, the invention adopts the following technical scheme:
a fault processing method of a coal gas purification electric tar precipitator comprises the following steps:
s1, failure emergency measure
S1.1: stopping the operation of the electrical tar precipitator after the fault occurs according to the operation of the power failure tar precipitator, preparing for hot ammonia water washing, and confirming that the electrical tar precipitator needing to be washed is powered off again;
s1.2: opening and adjusting the opening of the cross-flow valve of the electric tar precipitator according to the suction condition, closing a gas inlet valve of the electric tar precipitator to be washed, and forbidding starting a gas valve of the electric tar precipitator; the liquid discharge pipe is cleaned by steam, so that the liquid discharge is smooth;
s1.3: opening a hot ammonia water washing valve at the top of the electrical tar precipitator, and introducing circulating ammonia water to wash the electrical tar precipitator;
s1.4: if the liquid level of the underground emptying tank of the blower still rises quickly, closing the hot ammonia water or completely closing the hot ammonia water, and after the ammonia water in the underground emptying tank is completely sent to the mechanized ammonia water clarifying tank through a self-priming pump of the underground emptying tank, opening the hot ammonia water again to flush the electric tar precipitator;
s1.5: after the flushing is finished, emptying residual liquid in the device; opening a gas inlet and outlet valve, and starting according to the starting operation of the electric tar precipitator;
s2 safety operation notes
S2.1: when the electrical tar precipitator breaks down and stops, a central control room and an electrician are informed, if the electrical tar precipitator is in short circuit, the electrician is required to open a brake, an inlet valve and an outlet valve are closed, and gas bypasses;
s2.2: the shutdown electric tar precipitator applies nitrogen protection to keep micro-positive pressure in the electric precipitator; checking the electrical tar precipitator and the gas pipeline frequently, and strictly preventing air leakage;
s2.3: when the steam and nitrogen are stopped, the opening and closing state of a pipeline connecting valve of the steam and the gas equipment needs to be checked in time to prevent leakage;
s2.4: strictly forbidding starting of the standby equipment without electrician inspection;
2.5 strictly executing an entrance guard system, and carrying out safety notification and background settlement on allowed visitors and maintainers.
Further, the step S1 further includes the following steps:
stopping the operation of the electrical tar precipitator: informing an electrician to cut off an electric catching power supply and pressing an electric catching stop button; cleaning the liquid discharge pipe by using steam to ensure the liquid discharge pipe to be smooth; slowly opening the electric coal gas catching bypass valve, closing the electric catching outlet valve and then closing the inlet valve;
cleaning the electric catcher by hot ammonia water, discharging condensate in the electric catcher, and closing the liquid discharge pipe; closing a steam valve of the insulation box, stopping the heater, opening the electric fishing body and the insulation box diffusion pipe, opening the communicating pipe, introducing nitrogen for replacement, and closing the nitrogen valve after the nitrogen is detected to be qualified by the analyzer; if the gas inlet and outlet and the nitrogen inlet need to be filled in the device for maintenance, blind plates are required to be added, a manhole and a diffusing pipe are opened, an axial flow fan is used for ventilation and replacement, and after the CO content and the oxygen content are analyzed to be qualified, a maintainer can fill in the device.
Further, the step S1 further includes the following steps:
starting the electric tar precipitator for operation: carefully checking each part to ensure that the part is in a good state, and measuring the insulation resistance of the insulation box and the electrical appliance part is qualified; before the blind plate is extracted, a no-load circuit test is carried out, and after the equipment is determined to be intact, the gas blind plate is extracted; filling water into the water seal tank, and confirming that the liquid discharge pipe of the electric tar precipitator is unblocked; opening a nitrogen valve, introducing nitrogen into the electrical tar precipitator for replacement, opening a diffusing pipe of an insulation box of the electrical tar precipitator, opening a communicating pipe between a honeycomb panel and the shell of the electrical tar precipitator, closing the nitrogen after the detection of a gas analyzer is qualified, closing the diffusing pipe, and closing the communicating pipe; opening a valve of a steam heating system of the insulation box to enable the temperature of the insulation box to meet the process requirement; opening the gas inlet valve and the gas outlet valve, closing the gas traffic pipe valve, leading the gas to pass through the electric tar precipitator, paying attention to the suction force and pressure change condition, opening the liquid discharge pipe, and checking the liquid level of the water seal; after all the components are normal, analyzing the oxygen content of the gas, and informing an electrician of power transmission after the gas is qualified; the electric catching start button is pressed down to stabilize the current and the voltage within the range of the process requirement.
Compared with the prior art, the invention has the beneficial technical effects that:
the method for processing the faults of the gas purification electric tar precipitator of the invention is suitable for processing the faults of the gas purification electric tar precipitator of the coking enterprise, has simple flow and ordered organization, can effectively process accidents and recover production, prevents safety accidents from happening, has obvious economic benefit and wide application prospect.
Detailed Description
In order to rapidly process the faults of the electrical tar precipitator, the invention provides a method for processing the faults of the electrical tar precipitator, which can rapidly process accidents to recover production, reduce enterprise loss and prevent safety accidents.
The present invention will be described in detail with reference to specific examples.
The method for processing the fault of the electrical tar precipitator provided by the invention specifically comprises the following steps:
s1, failure emergency measure
S1.1, if faults such as resistance increase, frequent fluctuation of current and voltage values, discharge phenomenon and the like occur outside, stopping the operation of the electrical tar precipitator according to the operation of the electrical tar precipitator, preparing hot ammonia water washing, and confirming that the electrical tar precipitator needing washing is powered off again.
Wherein the operation of the electrical tar precipitator is stopped, an electrician is informed to cut off the electrical tar precipitator power supply, and an electrical tar precipitator stop button is pressed. The liquid discharge pipe is cleaned by steam, so that the liquid discharge pipe is ensured to be smooth. And slowly opening the electric coal gas catching bypass valve, closing the electric catching outlet valve and then closing the inlet valve. Cleaning the electric catcher by hot ammonia water, discharging condensate in the electric catcher, and closing the liquid discharge pipe. And closing a steam valve of the insulation box, stopping the heater, opening the electric fishing body and the insulation box diffusion pipe, opening the communicating pipe, introducing nitrogen for replacement, and closing the nitrogen valve after the nitrogen is detected to be qualified by the analyzer. If the gas inlet and outlet and the nitrogen inlet need to be filled in the device for maintenance, blind plates are required to be added, a manhole and a diffusing pipe are opened, an axial flow fan is used for ventilation and replacement, and after the CO content and the oxygen content are analyzed to be qualified, a maintainer can fill in the device.
S1.2, opening and adjusting the opening of the communication valve of the electric tar precipitator according to the suction condition, closing a gas inlet valve of the electric tar precipitator to be washed, and forbidding starting of a gas valve of the electric tar precipitator to run. When the gas valve is closed, the gas valve needs to be operated by two persons, one person confirms the gas valve and one person operates the gas valve, so that the situation that the valve is mistakenly mistaken is avoided, misoperation is caused, and accidents are induced. And the liquid discharge pipe is cleaned by steam, so that the liquid discharge is smooth.
S1.3, opening a hot ammonia water washing valve at the top of the electric tar precipitator, and leading circulating ammonia water to wash an electric precipitation pole (a honeycomb tube). The whole hot ammonia water washing operation of the electrical tar precipitator needs two persons (a blower driver assists, and the person who works in a shift) to cooperate, one person switches on and off the ammonia water valve, controls the hot ammonia water amount, one person monitors the liquid level of the underground empty tank of the blower, prevents overflowing the tank, and two underground pumps are simultaneously started when necessary.
S1.4 if the liquid level of the underground emptying tank of the blower still rises quickly, closing the hot ammonia water or completely closing the hot ammonia water, and opening the hot ammonia water again to flush the electric tar precipitator after the ammonia water in the underground emptying tank is completely sent to the mechanized ammonia water clarifying tank through the self-priming pump of the underground emptying tank. After the flushing is finished, discharging residual liquid in the device.
S1.5, opening a gas inlet and outlet valve, and starting according to the starting operation of the electric tar precipitator.
Wherein, the operation of the electrical tar precipitator is carried out, each part is carefully checked, the part is in a good state, and the insulation resistance measurement of the insulation box and the electrical appliance part is qualified. Before the blind plate is extracted, a no-load circuit test is carried out, and after the equipment is determined to be intact, the gas blind plate is extracted. And filling water into the water seal tank, and confirming that the liquid discharge pipe of the electric tar precipitator is unblocked. Opening a nitrogen valve, introducing nitrogen into the electrical tar precipitator for replacement, opening a diffusing pipe of an insulation box of the electrical tar precipitator, opening a communicating pipe between a honeycomb panel and the shell of the electrical tar precipitator, closing the nitrogen after the gas analyzer detects the qualified state, closing the diffusing pipe, and closing the communicating pipe. And opening a valve of the steam heating system of the insulation box to enable the temperature of the insulation box to meet the process requirement. Opening the gas inlet valve and the gas outlet valve, closing the gas traffic pipe valve, leading the gas to pass through the electric tar precipitator, paying attention to the suction force and pressure change condition, opening the liquid discharge pipe, and checking the liquid level of the water seal. And after all the components are normal, analyzing the oxygen content of the gas, and informing an electrician of power transmission after the gas is qualified. And pressing an electric catching start button, and gradually boosting every 2 minutes until the voltage is boosted to 30-40 kV, so that the current and the voltage are stabilized within the range of the process requirement.
S2 safety operation notes
S2.1, when the electric tar precipitator breaks down and stops, the central control room and an electrician are informed, if the electric tar precipitator is in short circuit, the electrician is required to open a brake, the inlet and outlet valves are closed, and the coal gas is bypassed.
And 2.2, applying nitrogen protection to the electric tar precipitator which is shut down to keep micro-positive pressure in the electric precipitator. The electrical tar precipitator and the gas pipeline are frequently checked, and air leakage is strictly prohibited.
S2.3, when the steam and nitrogen are stopped to be sent, the opening and closing states of the pipeline connecting valve of the steam and the gas equipment are checked in time to prevent leakage.
S2.4 strictly prohibits starting of the backup without an electrician check.
And S2.5 strictly executing an access control system, and carrying out safety notification and background settlement on allowed visitors and maintainers.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (3)
1. A fault processing method for a coal gas purification electric tar precipitator is characterized by comprising the following steps:
s1, failure emergency measure
S1.1: stopping the operation of the electrical tar precipitator after the fault occurs according to the operation of the power failure tar precipitator, preparing for hot ammonia water washing, and confirming that the electrical tar precipitator needing to be washed is powered off again;
s1.2: opening and adjusting the opening of the cross-flow valve of the electric tar precipitator according to the suction condition, closing a gas inlet valve of the electric tar precipitator to be washed, and forbidding starting a gas valve of the electric tar precipitator; the liquid discharge pipe is cleaned by steam, so that the liquid discharge is smooth;
s1.3: opening a hot ammonia water washing valve at the top of the electrical tar precipitator, and introducing circulating ammonia water to wash the electrical tar precipitator;
s1.4: if the liquid level of the underground emptying tank of the blower still rises quickly, closing the hot ammonia water or completely closing the hot ammonia water, and after the ammonia water in the underground emptying tank is completely sent to the mechanized ammonia water clarifying tank through a self-priming pump of the underground emptying tank, opening the hot ammonia water again to flush the electric tar precipitator;
s1.5: after the flushing is finished, emptying residual liquid in the device; opening a gas inlet and outlet valve, and starting according to the starting operation of the electric tar precipitator;
s2 safety operation notes
S2.1: when the electrical tar precipitator breaks down and stops, a central control room and an electrician are informed, if the electrical tar precipitator is in short circuit, the electrician is required to open a brake, an inlet valve and an outlet valve are closed, and gas bypasses;
s2.2: the shutdown electric tar precipitator applies nitrogen protection to keep micro-positive pressure in the electric precipitator; checking the electrical tar precipitator and the gas pipeline frequently, and strictly preventing air leakage;
s2.3: when the steam and nitrogen are stopped, the opening and closing state of a pipeline connecting valve of the steam and the gas equipment needs to be checked in time to prevent leakage;
s2.4: strictly forbidding starting of the standby equipment without electrician inspection;
2.5 strictly executing an entrance guard system, and carrying out safety notification and background settlement on allowed visitors and maintainers.
2. The method for processing the fault of the gas purifying electric tar precipitator according to claim 1, wherein the step S1 further comprises the steps of:
stopping the operation of the electrical tar precipitator: informing an electrician to cut off an electric catching power supply and pressing an electric catching stop button; cleaning the liquid discharge pipe by using steam to ensure the liquid discharge pipe to be smooth; slowly opening the electric coal gas catching bypass valve, closing the electric catching outlet valve and then closing the inlet valve;
cleaning the electric catcher by hot ammonia water, discharging condensate in the electric catcher, and closing the liquid discharge pipe; closing a steam valve of the insulation box, stopping the heater, opening the electric fishing body and the insulation box diffusion pipe, opening the communicating pipe, introducing nitrogen for replacement, and closing the nitrogen valve after the nitrogen is detected to be qualified by the analyzer; if the gas inlet and outlet and the nitrogen inlet need to be filled in the device for maintenance, blind plates are required to be added, a manhole and a diffusing pipe are opened, an axial flow fan is used for ventilation and replacement, and after the CO content and the oxygen content are analyzed to be qualified, a maintainer can fill in the device.
3. The method for processing the fault of the gas purifying electric tar precipitator according to claim 1 or 2, wherein the step S1 further comprises the steps of:
starting the electric tar precipitator for operation: carefully checking each part to ensure that the part is in a good state, and measuring the insulation resistance of the insulation box and the electrical appliance part is qualified; before the blind plate is extracted, a no-load circuit test is carried out, and after the equipment is determined to be intact, the gas blind plate is extracted; filling water into the water seal tank, and confirming that the liquid discharge pipe of the electric tar precipitator is unblocked; opening a nitrogen valve, introducing nitrogen into the electrical tar precipitator for replacement, opening a diffusing pipe of an insulation box of the electrical tar precipitator, opening a communicating pipe between a honeycomb panel and the shell of the electrical tar precipitator, closing the nitrogen after the detection of a gas analyzer is qualified, closing the diffusing pipe, and closing the communicating pipe; opening a valve of a steam heating system of the insulation box to enable the temperature of the insulation box to meet the process requirement; opening the gas inlet valve and the gas outlet valve, closing the gas traffic pipe valve, leading the gas to pass through the electric tar precipitator, paying attention to the suction force and pressure change condition, opening the liquid discharge pipe, and checking the liquid level of the water seal; after all the components are normal, analyzing the oxygen content of the gas, and informing an electrician of power transmission after the gas is qualified; the electric catching start button is pressed down to stabilize the current and the voltage within the range of the process requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871142.0A CN112058498B (en) | 2020-08-26 | 2020-08-26 | Fault processing method for coal gas purification electric tar precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871142.0A CN112058498B (en) | 2020-08-26 | 2020-08-26 | Fault processing method for coal gas purification electric tar precipitator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112058498A true CN112058498A (en) | 2020-12-11 |
| CN112058498B CN112058498B (en) | 2022-11-22 |
Family
ID=73658916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010871142.0A Active CN112058498B (en) | 2020-08-26 | 2020-08-26 | Fault processing method for coal gas purification electric tar precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112058498B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100802442B1 (en) * | 2006-09-07 | 2008-02-12 | 주식회사 거명지앤씨 | Cleaning method by penetration of cog pipe |
| CN101337202A (en) * | 2008-08-14 | 2009-01-07 | 邱瑞敏 | Electrostatic precipitation tar-removing device and non-aqueous technique thereof |
| CN101792677A (en) * | 2009-11-07 | 2010-08-04 | 新兴铸管股份有限公司 | Device for cleaning naphthalin blockage of coking gas primary cooler and final cooling tower |
| WO2012034252A2 (en) * | 2010-09-17 | 2012-03-22 | 聂云 | Glass simulation training device for coke oven gas purification |
| CN202440470U (en) * | 2012-02-24 | 2012-09-19 | 王正中 | Coke oven gas cooling and tar ammonia water separating device |
| CN203621031U (en) * | 2013-06-20 | 2014-06-04 | 内蒙古包钢钢联股份有限公司 | Coke oven gas pipeline connected to temporary ammonium hydroxide pipeline |
| CN104178229A (en) * | 2014-08-01 | 2014-12-03 | 张秦龙 | Gas purification system |
| CN105670707A (en) * | 2016-01-25 | 2016-06-15 | 神木县三江煤化工有限责任公司 | Automatic cycle device and method for gas washing water (ammonia water) |
| CN106590764A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Coke oven gas cooling apparatus and process |
| CN108070406A (en) * | 2016-11-16 | 2018-05-25 | 刘应华 | Efficient cold bulging electric fishing technique is put forward in Furniture Factory's heat supply |
| CN108380387A (en) * | 2018-04-28 | 2018-08-10 | 中冶焦耐(大连)工程技术有限公司 | A kind of combined type electrical tar precipitator |
| CN110846085A (en) * | 2019-12-06 | 2020-02-28 | 中冶焦耐(大连)工程技术有限公司 | Cleaning technology and device for electrical tar precipitator |
| CN210449528U (en) * | 2019-06-28 | 2020-05-05 | 山西阳光焦化集团股份有限公司 | Electric tar removing system |
-
2020
- 2020-08-26 CN CN202010871142.0A patent/CN112058498B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100802442B1 (en) * | 2006-09-07 | 2008-02-12 | 주식회사 거명지앤씨 | Cleaning method by penetration of cog pipe |
| CN101337202A (en) * | 2008-08-14 | 2009-01-07 | 邱瑞敏 | Electrostatic precipitation tar-removing device and non-aqueous technique thereof |
| CN101792677A (en) * | 2009-11-07 | 2010-08-04 | 新兴铸管股份有限公司 | Device for cleaning naphthalin blockage of coking gas primary cooler and final cooling tower |
| WO2012034252A2 (en) * | 2010-09-17 | 2012-03-22 | 聂云 | Glass simulation training device for coke oven gas purification |
| CN202440470U (en) * | 2012-02-24 | 2012-09-19 | 王正中 | Coke oven gas cooling and tar ammonia water separating device |
| CN203621031U (en) * | 2013-06-20 | 2014-06-04 | 内蒙古包钢钢联股份有限公司 | Coke oven gas pipeline connected to temporary ammonium hydroxide pipeline |
| CN104178229A (en) * | 2014-08-01 | 2014-12-03 | 张秦龙 | Gas purification system |
| CN105670707A (en) * | 2016-01-25 | 2016-06-15 | 神木县三江煤化工有限责任公司 | Automatic cycle device and method for gas washing water (ammonia water) |
| CN108070406A (en) * | 2016-11-16 | 2018-05-25 | 刘应华 | Efficient cold bulging electric fishing technique is put forward in Furniture Factory's heat supply |
| CN106590764A (en) * | 2017-01-23 | 2017-04-26 | 中冶焦耐(大连)工程技术有限公司 | Coke oven gas cooling apparatus and process |
| CN108380387A (en) * | 2018-04-28 | 2018-08-10 | 中冶焦耐(大连)工程技术有限公司 | A kind of combined type electrical tar precipitator |
| CN210449528U (en) * | 2019-06-28 | 2020-05-05 | 山西阳光焦化集团股份有限公司 | Electric tar removing system |
| CN110846085A (en) * | 2019-12-06 | 2020-02-28 | 中冶焦耐(大连)工程技术有限公司 | Cleaning technology and device for electrical tar precipitator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112058498B (en) | 2022-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107478983A (en) | A kind of online verifying attachment of main transformer Buchholz relay and its method for inspection | |
| CN219038362U (en) | Valve aging testing device | |
| CN112815228B (en) | SF (sulfur hexafluoride) 6 Intelligent air charging device of operating equipment | |
| CN112058498B (en) | Fault processing method for coal gas purification electric tar precipitator | |
| CN105427911B (en) | The control method and control system of PWR nuclear power plant service power switching tests | |
| CN102237177B (en) | Device for filtering oil in electrified manner for on-load tap-changer of transformer | |
| CN106120950B (en) | Closed circulating water full-automatic switching rapid emergency pressure stabilizing device | |
| CN207231730U (en) | Locomotive rain test system | |
| CN111710513A (en) | Extra-high voltage converter power oil discharge device, control system and method | |
| CN113090802B (en) | Gas pipeline U-shaped water seal control system and control method | |
| CN108987059A (en) | A kind of processing method of de- electrostatic oil filter and transformer DC magnetic bias | |
| CN105675219B (en) | ship pipeline pressure testing system | |
| CN114576542A (en) | Threshold self-learning oil filter pipeline leakage detection and protection device and method | |
| CN111575027B (en) | Method for comprehensively processing power failure accident of coke dry quenching system | |
| CN209356907U (en) | Mining explosion-proof type emulsion system energy-saving protective controller | |
| CN216846766U (en) | Sealing oil purification device with leakage detection and protection functions | |
| CN220186545U (en) | High-temperature reactor frequency converter leakage discharge system | |
| CN201853562U (en) | Online filter device of main transformer on-load tap changer | |
| CN210473126U (en) | Oil-water separation device for sealing oil of vacuum pump | |
| JPH09856A (en) | Decomposition gas treatment device for sulfur hexafluoride gas insulation electrical device | |
| CN213016713U (en) | Anti-emulsification device of power station air compressor machine lubricating oil | |
| CN220400058U (en) | Fluidized bed pipeline blockage alarm system | |
| CN216161566U (en) | Oil-immersed transformer device with oil discharge and nitrogen injection interface | |
| CN207294171U (en) | A kind of ozone generator for being capable of monitoring temperature | |
| CN220749857U (en) | Electronic chemical on-site liquid supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |