CN110486198A - The water feeder containing neutralizing treatment and method of EGR host peculiar to vessel - Google Patents
The water feeder containing neutralizing treatment and method of EGR host peculiar to vessel Download PDFInfo
- Publication number
- CN110486198A CN110486198A CN201910697935.2A CN201910697935A CN110486198A CN 110486198 A CN110486198 A CN 110486198A CN 201910697935 A CN201910697935 A CN 201910697935A CN 110486198 A CN110486198 A CN 110486198A
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- Prior art keywords
- valve
- lye
- feeding pipe
- hand
- water
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
A kind of water feeder containing neutralizing treatment of EGR host peculiar to vessel, including being connected to the recirculated water feeding pipe of host by buffer tank, the lye feeding pipe of the recirculated water feeding pipe is connected to by lye cabinet and feeding pipeline by the fresh water that fresh water supply cabinet is respectively connected to recirculated water feeding pipe and lye feeding pipe；Recirculated water feeding pipe includes third hand-operated valve, frequency conversion supply pump and the 4th hand-operated valve, the flow of frequency conversion supply pump dynamic regulation supply output washing water to provide washing water；Lye feeding pipe includes first manual valve, lye metering pump, the 5th hand-operated valve and counterbalance valve to inject lye, and lye metering pump realizes that different amounts of lye injects according to the operating condition of current hosts；Fresh water supply pipeline is for supplementing fresh water and carrying out initial stage static debugging and cleaning, including check valve, the second hand-operated valve, flow switch and solenoid valve to recirculated water feeding pipe and lye feeding pipe.The present invention realizes washing water and the real-time automatic and accurate of lye injection rate is controllable, has the characteristics that frequency conversion drive, dynamic regulation.
Description
Technical field
The present invention relates to marine low speed diesel engines, are related specifically to a kind of water containing neutralizing treatment of exhaust gas recycling host peculiar to vessel
Feedway and method belong to Diesel Engine Technique Field.
Background technique
With modern ships tail gas emission require it is increasingly strict, more and more ships use nitrogen oxides emission reduction device
Meet laws and regulations requirement with method.For the diesel engine using EGR (exhaust gas recycling) emission-reduction technology, to make to enter
The EGR gas of host becomes qualified burning gases after washing, it is necessary to contain lye using one kind outside host
The washing water circulation supply equipment of injection, to carry out the washing and cooling of host EGR gas.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of water feeder containing neutralizing treatment of EGR host peculiar to vessel and
Method efficiently and accurately can provide the washing water containing a certain amount of lye to host to carry out washing for EGR gas
It washs, the injection rate for washing water and lye can carry out real-time dynamic regulation according to the actual operating mode of host.
It is as follows that the present invention solves the technical solution that its technical problem is taken:
A kind of water feeder containing neutralizing treatment of EGR host peculiar to vessel, the recirculated water including being connected to host by buffer tank supply
It is connected to the lye feeding pipe of the recirculated water feeding pipe to pipeline, by lye cabinet and institute is respectively connected to by fresh water supply cabinet
State the fresh water supply pipeline of recirculated water feeding pipe and lye feeding pipe；
The recirculated water feeding pipe is connected with third hand-operated valve in turn to provide washing water, from upstream to downstream, becomes
Frequency supply pump and the 4th hand-operated valve；The frequency conversion supply pump is capable of dynamic regulation supply output washing water by transducer drive
Flow, the third hand-operated valve are connected between the buffer tank and frequency conversion supply pump, and the 4th hand-operated valve is connected to described
Between frequency conversion supply pump and host, the third hand-operated valve and the 4th hand-operated valve are used for the cutting of the recirculated water feeding pipe and connect
It is logical, vent valve, liquid-level switch and the first bleeder valve are successively further connected between the buffer tank and frequency conversion supply pump, which uses
In the ventilative of the recirculated water feeding pipe, the liquid-level switch for detect have in the recirculated water feeding pipe it is anhydrous with protection
The safety of the frequency conversion supply pump, first bleeder valve are released for the recirculated water feeding pipe；
The lye feeding pipe is connected with first manual valve, lye meter in turn to inject lye, from upstream to downstream
Amount pump, the 5th hand-operated valve and counterbalance valve；The lye metering pump is controlled by main machine control signal, can be according to current hosts
Operating condition realize the injection of different amounts of lye, the counterbalance valve is used to prevent the mistake of the lye metering pump from starting and self-operating
In order to avoid cause injection lye excessive, circulation of the downstream connection of the counterbalance valve between the 4th hand-operated valve and frequency conversion supply pump
Water supplying pipe road, the first manual valve are connected between the lye cabinet and lye metering pump, and the 5th hand-operated valve connects
It is connected to the upstream of the counterbalance valve, the first manual valve and the 5th hand-operated valve are used for the cutting of the lye feeding pipe and connect
It is logical, the second bleeder valve is further connected between the 5th hand-operated valve and lye metering pump；
The fresh water supply pipeline dilutes washing water for supplementing fresh water, while for the recirculated water feeding pipe
Initial stage static debugging and cleaning, including check valve, the second hand-operated valve, flow switch and electromagnetism are carried out with lye feeding pipe
Valve；The upstream of the check valve connects the fresh water and feeds cabinet, and the downstream of the check valve is divided into two-way, passes through described second all the way
Hand-operated valve is connected on the lye feeding pipe between the first manual valve and lye metering pump, and another way passes through the electromagnetism
Valve is connected on the recirculated water feeding pipe between the third hand-operated valve and vent valve, and the flow switch connects described unidirectional
On fresh water supply pipeline between valve and solenoid valve, detect with confirmation for what fresh water flowed into to ensure the reliable of fresh water supply
Property, the fresh water supply pipeline is connected or is truncated in the order that the solenoid valve receiving host control system is sent.
Further, the frequency conversion supply pump and lye metering pump are respectively parallel with safety valve, for protecting the frequency conversion
Supply pump and lye metering pump avoid causing to damage because of hypertonia.
Further, the circulation water supplying pipe between the access port and the 4th hand-operated valve in the counterbalance valve downstream
Road is connected to a bleeder valve.
Further, a pressure is respectively connected on the recirculated water feeding pipe of the upstream and downstream of the frequency conversion supply pump
Table.
Another technical solution of the invention is as follows:
A kind of water supplying method containing neutralizing treatment for the EGR host peculiar to vessel realized using above-mentioned feedway comprising:
1) the third hand-operated valve and the 4th hand-operated valve are opened, vent valve and the first bleeder valve, the frequency conversion supply are closed
It pumps from the buffer tank to host and the output flow of washing water and the dynamic regulation washing water is provided；
2) the first manual valve and the 5th hand-operated valve are opened, closes second bleeder valve, the lye metering pump by
Main machine control signal control, injects lye from the lye cabinet to the recirculated water feeding pipe, and according to current hosts
Operating condition realizes different injection rates；
3) check valve is opened, in operational process when detecting the excessive concentration of washing water, host sends instructions opening
The solenoid valve, fresh water are replenished to the recirculated water feeding pipe by fresh water supply cabinet.
Further, the supply method further includes replacing the mode of lye injection to the lye using fresh water supply
Feeding pipe carries out initial stage static debugging, the specific steps are that:
The first manual valve and the 5th hand-operated valve are closed, second hand-operated valve and the second bleeder valve, fresh water stream are opened
Enter the lye feeding pipe, confirmation then is carried out to the function of the lye metering pump and the lye feeding pipe is carried out saturating
Gas.
Further, the supply method further includes replacing the mode of washing water injection to follow to described using fresh water supply
Ring water supplying pipe road carries out initial stage static debugging, the specific steps are that:
The check valve and the first bleeder valve are opened, control command is sent by host and opens the solenoid valve, fresh water stream
Enter the recirculated water feeding pipe, then carry out the confirmation of the function to the flow switch, solenoid valve and liquid-level switch, it is ensured that
The correct feedback of movement and state, closes first bleeder valve after the completion, opens the vent valve, carry out the recirculated water confession
To the ventilative of pipeline.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention not only realizes to host and provides the washing water containing a certain amount of lye to carry out EGR gas
Washing, and its washing water and the injection rate of lye can carry out real-time automatic dynamic according to the actual operating mode of host
It adjusts, achievees the effect that controllable precise.
2) feedway is also able to achieve the initial stage static debugging to lye feeding pipe and recirculated water feeding pipe, with
And using the cleaning to pipeline after preceding and use.
In short, the present invention has the characteristics that frequency conversion drive, metering injection, variable is controllable, dynamic regulation, recycles supply.
Detailed description of the invention
Fig. 1 is systematic schematic diagram of the invention.
In figure,
1-first manual valve, the 2-the second hand-operated valve, 3-lye metering pumps, 4-safety valves,
5-the five hand-operated valve, 6-counterbalance valves, the 7-the second bleeder valve, the 8-the four hand-operated valve,
9-bleeder valves, 10-frequency conversion supply pumps, 11-safety valves, the 12-the first bleeder valve,
13-vent valves, 14-solenoid valves, 15-third hand-operated valves, 16-check valves,
17-pressure gauges, 18-liquid-level switches, 19-flow switches.
Specific embodiment
The present invention is described in detail in the following with reference to the drawings and specific embodiments, but following embodiments not is used to limit
Fixed practical range of the invention, the equivalence changes and modification that all contents according to this specification are made, all should belong to Shen of the present invention
It please claimed technical scope.
Feedway of the present invention includes recirculated water feeding pipe from the washing water from buffer tank to host, always
The lye feeding pipe of recirculated water feeding pipe is injected into from the lye of lye cabinet and is supplemented to respectively from from fresh water supply cabinet
The fresh water of recirculated water feeding pipe and lye feeding pipe feeds pipeline.
Please refer to Fig. 1, the recirculated water feeding pipe is providing washing water, including successively from upstream to downstream
Third hand-operated valve 15, vent valve 13, liquid-level switch 18, the first bleeder valve 12, frequency conversion supply pump 10, the bleeder valve 9 and of connection
Four hand-operated valves 8.A pressure gauge 17 is respectively connected in the upstream and downstream of the frequency conversion supply pump 10.The frequency conversion supply pump 10 is by becoming
The flow of dynamic regulation supply output washing water is capable of in the driving of frequency device；The frequency conversion supply pump 10 is parallel with a safety valve 11, is used for
The frequency conversion supply pump 10 is protected, hypertonia is avoided to lead to the damage of frequency conversion supply pump 10.The vent valve 13, liquid-level switch 18
And first bleeder valve 12 be sequentially connected between buffer tank and frequency conversion supply pump 10, liquid-level switch 18 is for having in signal piping
It is anhydrous to carry out the safeguard protection to frequency conversion supply pump 10, the first bleeder valve 12 and bleeder valve 9 are used for the circulation water supplying pipe
Road is released, and vent valve 13 is for the ventilative of the recirculated water feeding pipe.Third hand-operated valve 15 is connected to buffer tank and frequency conversion
Between supply pump 10, the 4th hand-operated valve 8 is connected between frequency conversion supply pump 10 and host, and the third hand-operated valve 15 and the 4th is manually
Valve 8 is switched off and on for recirculated water feeding pipe, so as to subsequent maintenance operation.
The lye feeding pipe is to inject lye, including first manual valve 1, lye metering pump 3, the second bleeder valve
7, the 5th hand-operated valve 5 and counterbalance valve 6.First manual valve 1 and the 5th hand-operated valve 5 being switched off and on for lye feeding pipe,
So as to subsequent maintenance operation.Lye metering pump 3 is controlled by main machine control signal, can be according to the operation work of current hosts
Condition realizes different amounts of lye injection；A safety valve 4 is parallel at the lye metering pump 3 to keep away for protecting lye metering pump 3
Exempt from hypertonia and leads to the damage of lye metering pump 3.The downstream connection of counterbalance valve 6 is supplied in the 4th hand-operated valve 8 with frequency conversion
To on the recirculated water feeding pipe between pump 10, for preventing the mistake of lye metering pump 3 from starting and self-operating, and the confession is caused
It is excessive to the lye in device.
The fresh water supply pipeline dilutes washing water for supplementing fresh water, while for the circulation water supplying pipe
Road and lye feeding pipe carry out initial stage static debugging and cleaning, and fresh water supply pipeline includes that check valve 16, second is manual
Valve 2, flow switch 19 and solenoid valve 14.Fresh water is replenished to the recirculated water feeding pipe all the way, and another way is replenished to the alkali
Liquid feeding pipe.The upstream of the check valve 16 connects the fresh water and feeds cabinet, and the downstream of the check valve 16 is divided into two-way, all the way
It is connected on the lye feeding pipe between the first manual valve 1 and lye metering pump 3 by second hand-operated valve 2, separately
It is connected on the recirculated water feeding pipe between the third hand-operated valve 15 and vent valve 13 by the solenoid valve 14 all the way.Institute
It states on the fresh water supply pipeline that flow switch 19 connects between the check valve 16 and solenoid valve 14, the detection flowed into for fresh water
With confirmation, to ensure the reliability of fresh water supply, the order that the 14 receiving host control system of solenoid valve is sent is connected or is cut
Break the fresh water supply pipeline.
Include: using the water supplying method containing neutralizing treatment of EGR host peculiar to vessel that the feedway is realized
1) the third hand-operated valve 15 and the 4th hand-operated valve 8 are opened, vent valve 13 and the first bleeder valve 12, the change are closed
Frequency supply pump 10 provides washing water, and the output flow of the dynamic regulation washing water from the buffer tank to host.
2) the first manual valve 1 and the 5th hand-operated valve 5 are opened, second bleeder valve 7, the lye metering pump are closed
3 are controlled by main machine control signal, inject lye from the lye cabinet to the recirculated water feeding pipe, and according to current hosts
Operating condition realize different injection rates.
3) check valve 6 is opened, in host operational process, when detecting the excessive concentration of washing water, host will bristle with anger
It enables to the solenoid valve 14, solenoid valve 14 is opened, and fresh water is replenished to described by check valve 16, flow switch 19 and solenoid valve 14
Recirculated water feeding pipe.
The fresh water supply pipeline is also used for the initial stage static debugging of the lye feeding pipe of the feedway, passes through
Lye is replaced to inject using fresh water supply, it is ensured that necessary debugging safety, it is ensured that the safety of operator can specifically pass through pass
First manual valve 1 is closed, the second hand-operated valve 2 is opened, the second bleeder valve 7 after opening lye metering pump 3 closes the 5th hand-operated valve 5,
Fresh water flows into the lye feeding pipe, can carry out the function confirmation and the lye supply pipe of lye metering pump 3 at this time
The ventilative work of the pipeline on road.
The fresh water supply pipeline is also used for the initial stage static debugging of the recirculated water feeding pipe of the feedway, makes
It replaces washing water to inject with fresh water supply, specifically order can be sent by engine control system and opened by opening check valve 16
Solenoid valve 14 opens the first bleeder valve 12, and fresh water flows into the recirculated water feeding pipe, can carry out at this time flow switch 19,
The function of solenoid valve 14 and liquid-level switch 18 confirmation, it is ensured that movement and the correct feedback of state after completing above-mentioned work, close the
One bleeder valve 12 opens vent valve 13, carries out the ventilative work of the recirculated water feeding pipe.
The fresh water supply pipeline can also be used for the feedway and use the pipeline-cleaning after preceding and use, operation
The mode also operation with the initial stage static debugging of above-mentioned lye feeding pipe and the initial stage static debugging of recirculated water feeding pipe
Mode is identical.
Claims (7)
1. a kind of water feeder containing neutralizing treatment of EGR host peculiar to vessel, it is characterised in that: the feedway includes by buffer tank
It is connected to the recirculated water feeding pipe of host, is connected to the lye feeding pipe of the recirculated water feeding pipe by lye cabinet and by light
Water supply cabinet is respectively connected to the fresh water supply pipeline of the recirculated water feeding pipe and lye feeding pipe；
The recirculated water feeding pipe is to provide washing water, from upstream to downstream is connected with third hand-operated valve in turn, frequency conversion supplies
To pump and the 4th hand-operated valve；The frequency conversion supply pump is capable of the flow of dynamic regulation supply output washing water by transducer drive,
The third hand-operated valve is connected between the buffer tank and frequency conversion supply pump, and the 4th hand-operated valve is connected to the frequency conversion and supplies
To between pump and host, the third hand-operated valve and the 4th hand-operated valve are used for being switched off and on for the recirculated water feeding pipe, institute
It states and is successively further connected with vent valve, liquid-level switch and the first bleeder valve between buffer tank and frequency conversion supply pump, which is used for institute
State the ventilative of recirculated water feeding pipe, the liquid-level switch for detect have in the recirculated water feeding pipe it is anhydrous described in protection
The safety of frequency conversion supply pump, first bleeder valve are released for the recirculated water feeding pipe；
The lye feeding pipe to inject lye, from upstream to downstream be connected in turn first manual valve, lye metering pump,
5th hand-operated valve and counterbalance valve；The lye metering pump is controlled by main machine control signal, can be according to the fortune of current hosts
Row operating condition realizes the injection of different amounts of lye, the counterbalance valve be used to prevent the mistake of the lye metering pump start and self-operating in order to avoid
Cause injection lye excessive, recirculated water of the downstream connection of the counterbalance valve between the 4th hand-operated valve and frequency conversion supply pump supplies
To on pipeline, the first manual valve is connected between the lye cabinet and lye metering pump, and the 5th hand-operated valve is connected to
The upstream of the counterbalance valve, the first manual valve and the 5th hand-operated valve are switched off and on for the lye feeding pipe, institute
It states and is further connected with the second bleeder valve between the 5th hand-operated valve and lye metering pump；
The fresh water supply pipeline dilutes washing water for supplementing fresh water, while for the recirculated water feeding pipe and alkali
Liquid feeding pipe carries out initial stage static debugging and cleaning, including check valve, the second hand-operated valve, flow switch and solenoid valve；Institute
The upstream for stating check valve connects the fresh water supply cabinet, and the downstream of the check valve is divided into two-way, all the way manually by described second
Valve is connected on the lye feeding pipe between the first manual valve and lye metering pump, and another way is connected by the solenoid valve
Be connected on the recirculated water feeding pipe between the third hand-operated valve and vent valve, the flow switch connect the check valve with
On fresh water supply pipeline between solenoid valve, the reliability to ensure fresh water supply, institute are detected and confirmed for what fresh water flowed into
The fresh water supply pipeline is connected or is truncated in the order for stating the transmission of solenoid valve receiving host control system.
2. the water feeder containing neutralizing treatment of EGR host peculiar to vessel according to claim 1, it is characterised in that: the change
Frequency supply pump and lye metering pump are respectively parallel with safety valve, for protecting the frequency conversion supply pump and lye metering pump to avoid because of pressure
Power is excessively high and causes to damage.
3. the water feeder containing neutralizing treatment of EGR host peculiar to vessel according to claim 1, it is characterised in that: described
A bleeder valve is connected on recirculated water feeding pipe between the access port in counterbalance valve downstream and the 4th hand-operated valve.
4. the water feeder containing neutralizing treatment of EGR host peculiar to vessel according to claim 1, it is characterised in that: in the change
A pressure gauge is respectively connected on the recirculated water feeding pipe of the upstream and downstream of frequency supply pump.
5. a kind of water supplying method containing neutralizing treatment for the EGR host peculiar to vessel realized using feedway described in claim 1, special
Sign is: the supply method includes:
1) the third hand-operated valve and the 4th hand-operated valve are opened, closes vent valve and the first bleeder valve, the frequency conversion supply pump by
The buffer tank provides the output flow of washing water and the dynamic regulation washing water to host；
2) the first manual valve and the 5th hand-operated valve are opened, closes second bleeder valve, the lye metering pump is by host
Signal control is controlled, injects lye from the lye cabinet to the recirculated water feeding pipe, and according to the operation of current hosts
Operating condition realizes different injection rates；
3) open the check valve, in operational process when detecting the excessive concentration of washing water, host send instructions open it is described
Solenoid valve, fresh water are replenished to the recirculated water feeding pipe by fresh water supply cabinet.
6. the water supplying method containing neutralizing treatment of EGR host peculiar to vessel according to claim 5, it is characterised in that: the confession
It further include that initial stage static debugging is carried out to the lye feeding pipe using the mode that fresh water supply replaces lye to inject to method,
The specific steps are that:
The first manual valve and the 5th hand-operated valve are closed, second hand-operated valve and the second bleeder valve are opened, fresh water flows into institute
Lye feeding pipe is stated, then the function of the lye metering pump confirm and breathe freely to the lye feeding pipe.
7. the water supplying method containing neutralizing treatment of EGR host peculiar to vessel according to claim 5, it is characterised in that: the confession
It further include that initial stage static state is carried out to the recirculated water feeding pipe using the mode that fresh water supply replaces washing water to inject to method
Debugging, the specific steps are that:
The check valve and the first bleeder valve are opened, control command is sent by host and opens the solenoid valve, fresh water flows into institute
Recirculated water feeding pipe is stated, the confirmation of the function to the flow switch, solenoid valve and liquid-level switch is then carried out, it is ensured that movement
With the correct feedback of state, first bleeder valve is closed after the completion, opens the vent valve, carry out the circulation water supplying pipe
It breathes freely on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697935.2A CN110486198A (en) | 2019-07-31 | 2019-07-31 | The water feeder containing neutralizing treatment and method of EGR host peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697935.2A CN110486198A (en) | 2019-07-31 | 2019-07-31 | The water feeder containing neutralizing treatment and method of EGR host peculiar to vessel |
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| CN110486198A true CN110486198A (en) | 2019-11-22 |
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| CN201910697935.2A Withdrawn CN110486198A (en) | 2019-07-31 | 2019-07-31 | The water feeder containing neutralizing treatment and method of EGR host peculiar to vessel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111517414A (en) * | 2020-04-15 | 2020-08-11 | 上海瑜科环境工程有限公司 | Pressure energy composite desalting process |
| CN111517414B (en) * | 2020-04-15 | 2023-08-18 | 上海瑜科环境工程有限公司 | Pressure energy composite desalination process |
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