CN107382787B - A kind of urea for vehicle preparation facilities and its working method - Google Patents
A kind of urea for vehicle preparation facilities and its working method Download PDFInfo
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- CN107382787B CN107382787B CN201610324415.3A CN201610324415A CN107382787B CN 107382787 B CN107382787 B CN 107382787B CN 201610324415 A CN201610324415 A CN 201610324415A CN 107382787 B CN107382787 B CN 107382787B
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- urea
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- stirred tank
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
Abstract
The invention discloses a kind of urea for vehicle preparation facilities and its working methods, belong to the preparation technical field of urea for vehicle, and structure includes homogeneous stirred tank and pan tank, and homogeneous stirred tank is equipped with urea material inlet, deionized water import and taphole；It is connected between pan tank and taphole by output pipe, the output pipe is equipped with delivery pump, filter device and purifying plant；The filter core of the filter device is made of cation exchange resin and anion exchange resin, and wherein the amount of anion exchange resin is greater than the amount of cation exchange resin；The sensor for quality control is disposed in the pan tank, the data of the sensor are transmitted to cloud platform by transmitter, realize data transmission by wireless network between the cloud platform and mobile terminal.The present invention realizes the real-time control of quality, high degree of automation.
Description
Technical field
The present invention relates to the preparation technical field of urea for vehicle, specifically a kind of urea for vehicle preparation facilities and its work
Make method.
Background technique
Urea water plays the role of that NOx can be purified, and is widely used in the gas-purification system of large-scale diesel vehicle.Automobile
Urea, it is a kind of use in SCR technology, for reducing the liquid of the nitrogen oxides pollution in exhaust gas from diesel vehicle.Automobile-used urine
Plain scientific name is diesel engine vent gas treatment fluid, and the country is commonly called as automobile urea, urea for vehicle, automobile environment-protection urea, automobile-used denitrfying agent, makes
With it is most common be urea for vehicle.Urea for vehicle is used for reduction of nitrogen oxide, can be used as SCR (Selective Catalytic
Reduction, selective catalytic reduction) system reducing agent, utilize the diesel oil such as urea for vehicle aqueous solution and heavy truck, car
Reaction of nitrogen oxides in tail gas generates N2And H2O carrys out cleaning of off-gas, and the nitrogen oxides that it is discharged reaches Europe IV discharge mark
It is quasi-.
Traditional urea for vehicle is prepared as according to a certain percentage mixing urea raw material and deionized water, and it is molten that urea is made
Then liquid is filtered, examines that carry out filling, traditional inspection after qualification be inspection by sampling, operate it is comparatively laborious, efficiency compared with
It is low, and if occurring the underproof situation of index in production process and cannot timely find；In addition, current production equipment relies on
Hand stock will cause the unstable of product quality, and each step linking is not close, and labor intensity of workers is big, and production efficiency also compares
It is lower.
Summary of the invention
To solve above-mentioned defect in the prior art, the purpose of the present invention is to provide a kind of urea for vehicle preparation facilities and
Its working method.
It includes: a kind of urea for vehicle preparation facilities that the present invention, which solves the technical solution that its technical problem is taken, comprising:
Prepare the homogeneous stirred tank of urea liquid, the homogeneous stirred tank be equipped with urea material inlet, deionized water into
Mouth and taphole；
The pan tank for containing urea liquid, is connected between the pan tank and the taphole by output pipe,
The output pipe is equipped with delivery pump, filter device and purifying plant；The front and rear of the purifying plant is respectively equipped with
The filter core of filter device, the filter device is made of cation exchange resin and anion exchange resin, and wherein anion is handed over
The amount for changing resin is greater than the amount of cation exchange resin；
The filtering accuracy of the filter of purifying plant front is 10 μm, and the filtering accuracy of the filter at purifying plant rear portion is
0.2 μm, the filter is all made of accurate filter, efficiently intercepts urea liquid solid insoluble, ensure that urea liquid
It is pure.
The sensor for quality control is disposed in the pan tank, the data of the sensor are passed by transmitter
Cloud platform is transported to, data transmission is realized by wireless network between the cloud platform and mobile terminal.
Further technical solution are as follows: the deionized water import connects deionized water preparation facilities, the deionized water
Preparation facilities includes the water storage tank being sequentially communicated, reverse osmose pure-water equipment and deionized water holding vessel, the deionized water storage
Tank and the deionized water inlet communication；High-pressure pump and filter, institute are equipped between the water storage tank and reverse osmose pure-water equipment
High-pressure pump is stated to be controlled by the first solenoid valve.The reverse osmose pure-water equipment for preparing deionized water is connected to homogeneous stirred tank
Get up, the deionized water produced directly passes through pipeline to homogeneous stirred tank, avoids the pollution of intermediate link, ensure that preparation
The quality of the raw material of urea liquid, to ensure the quality of product.
Further technical solution are as follows: the inside of the deionized water holding vessel is equipped with conductivity sensor, ph value senses
Device and metal ion sensor, the data of the conductivity sensor, ph value sensor and metal ion sensor pass through change
Device is sent to be delivered to the cloud platform.Sensor is arranged in deionized water holding vessel can detect the items of deionized water in real time
The data of index, sensor are transmitted to mobile terminal by cloud platform, and mobile terminal can use mobile phone, the items of deionized water
Index is shown on mobile terminals for staff's real time inspection, if the case where quality dissatisfaction occur can timely find simultaneously
Processing avoids because of deionized water quality bring contingency question not up to standard.
Further technical solution are as follows: the urea material inlet is connected with urea storage tank, the urea storage tank
Discharge outlet be equipped with the outflow of second solenoid valve control material, the second solenoid valve controlled by first time relay
System.Second solenoid valve is controlled by the time relay and opens the set time, and under the premise of flow is certain, second solenoid valve is opened
Set time can control the addition mean value stirred tank of the urea raw material quantitative in urea storage tank, saves manpower and raw material is added
Amount is accurate, so that the quality of product be made to get a promotion and more stable.
Further technical solution are as follows: be equipped with pressure sensor, the pressure sensing in the bottom of the homogeneous stirred tank
Device is separately connected with the first solenoid valve and first time relay, to control the movement of the first solenoid valve and second solenoid valve；Institute
The inside for stating homogeneous stirred tank is equipped with agitating device, the stirring axis connection servo motor of the agitating device, the servo motor
It is equipped with second time relay, the servo motor connects controller；When first solenoid valve, second solenoid valve, first
Between relay and second time relay be connected with controller.
Further technical solution are as follows: the delivery pump is controlled by third solenoid valve, the third solenoid valve with
The controller connection.
PLC controller can be used in controller, and the interoperation of all parts is realized by controller, realizes a key of equipment
Operation, high degree of automation reduce labor intensity of workers, while the addition of each raw material is more accurate, promote product quality.
Further technical solution are as follows: strainer and/or active carbon filter core are equipped with inside the purifying plant.Strainer can be filtered
Except the granule foreign in urea liquid, active carbon filter core can filter out organic matter, chlorine residue and other radioactivity in urea liquid
Substance promotes the purity level of urea liquid.
Further technical solution are as follows: temperature sensor is equipped in the homogeneous stirred tank, the bottom of homogeneous stirred tank is set
There is a heating device, the side wall of homogeneous stirred tank is equipped with cooling tube, the temperature sensor and the heating device and described cold
But the control device of pipe is connected.Heating device is set in homogeneous stirred tank, convenient for improving urea dissolution in urea dissolution
Speed；Cooling tube is set in homogeneous stirred tank, cooling efficiency can be improved, is convenient for urea liquid fast cooling to gonorrhoea
State, convenient for the precipitation of the impurity such as biuret, so that the room temperature such as the biuret in urea liquid can be filtered out simultaneously in filtering
The impurity that can not be filtered out down improves the quality of product.
Further technical solution are as follows: conductivity sensor, ph value sensor, metal ion are disposed in the pan tank
Sensor, urea sensor, ammonia gas sensor and free ammoniacal sensor, placement sensor is realized to product quality in pan tank
Comprehensive control.
It there also is provided flowmeter on the pipeline being connected with pan tank, the flowmeter, which is used to detect, flows into pan tank
The detection data of the amount of product, flowmeter is uploaded to mobile terminal also by cloud platform, so that staff understands the task
The amount of the urea for vehicle solution prepared in circulation.
The present invention solves the scheme of its technical problem further include: the working method of above-mentioned urea for vehicle preparation facilities, including
Following steps:
Step 1): in water storage tank inner storing water, high-pressure pump is opened, reverse osmose pure-water equipment starts to produce deionized water, described
Deionized water is sent into homogeneous stirred tank through pipeline；
Step 2: when deionized water reaches set amount in homogeneous stirred tank, pressure sensor issues signal, reverse osmose pure-water
Equipment stops working, and second solenoid valve opens the set time under the control of the time relay, so that quantitative urea is discharged into
Homogeneous stirred tank；
Step 3): urea is completely dissolved in deionized water in homogeneous stirred tank, is formed weight of urea percentage and is
The urea liquid of 31.8%-33.2%；
Step 4): the urea liquid is cooled to there is gonorrhoea state；
Step 5): the urea liquid reaches pan tank after filter and purifying plant；
In above-mentioned steps, the sensor in deionized water holding vessel, homogeneous stirred tank and pan tank is molten to urea in real time
Liquid is detected, and data are sent to mobile terminal by cloud platform.
The beneficial effects of the present invention are:
1, preparation facilities and sensor are combined together, quality is managed by sensor in real time in process of production, and
The data of sensor are transmitted to mobile terminal by cloud platform, staff can understand product by mobile terminal in real time
Every quality index ensure that the quality of product if Indexes Abnormality occur can timely be handled, avoid to produce and do not conform to
The loss of lattice product bring.
2, amount of water is detected by pressure sensor in homogeneous stirred tank, expanding with heat and contract with cold when liquidometer being avoided to detect is asked
Detection error caused by inscribing, raw material additive amount is more accurate, to improve the quality of product.
3, the present apparatus and its working method realize a key operation, mitigate the labor intensity of worker significantly, and each step is certainly
The stabilization for precisely product quality being made to get a promotion and being conducive to keep product quality is added in dynamic control, raw material, while at night
The time machine of worker's rest still may be implemented to produce, and improve the yield of enterprise.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the device of that embodiment of the invention；
Fig. 2 is the work flow diagram of quality of the present invention control.
In figure: 1 water storage tank, 2 high-pressure pumps, 3 first filters, 4 reverse osmose pure-water equipment, 5 deionized water holding vessels, 6
Matter stirred tank, 7 delivery pumps, 8 second filters, 9 purifying plants, 10 third filters, 11 pan tanks.
Specific embodiment
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification:
As shown in Figure 1, a kind of urea for vehicle preparation facilities, including sequentially connected deionized water preparation facilities, homogeneous stir
Mix slot 6, filtering purifying plant and pan tank 11.
The homogeneous stirred tank 6 is used to prepare urea liquid, and homogeneous stirred tank 6 is equipped with urea material inlet, deionization
Water inlet and taphole.
It is connected between the pan tank 11 and the taphole by output pipe, the output pipe is equipped with defeated
Send pump 7 and the filtering purifying plant；The front of the purifying plant 9 is equipped with the second filter 8, and the rear portion of purifying plant 9 is set
There is a third filter 10, the filter core of the second filter 8 and third filter 10 is by cation exchange resin and anion exchange
Resin is constituted, and wherein the amount of anion exchange resin is greater than the amount of cation exchange resin.The filtering accuracy of second filter 8 is
10 μm, the filtering accuracy of third filter 10 is 0.2 μm, and the second filter 8 and third filter 10 are all made of accurate filter,
Urea liquid solid insoluble is efficiently intercepted, ensure that the pure of urea liquid.
Flowmeter is equipped on pipeline between delivery pump 7 and the second filter 8, in third filter 10 and pan tank 11
Between pipeline on also be provided with flowmeter, flow is measured in real time, convenient for controlling flow, by flow
Optimal filter effect is realized in control.
Conductivity sensor, ph value sensor, metal ion sensor, urea sensing are disposed in the pan tank 11
Device, ammonia gas sensor and free ammoniacal sensor.
Placement sensor realizes the comprehensive control to product quality in pan tank 11, realizes to the real-time of product quality
Monitoring.The data of the sensor are transmitted to cloud platform by transmitter, by wireless between the cloud platform and mobile terminal
The transmission of network implementations data.Mobile terminal is using portable mobile apparatus such as mobile phone, tablet computers.The flow chart of quality control is such as
Shown in Fig. 2, if sensor detects that exception occurs in index, quality control personnel can see from the mobile terminals such as mobile phone, in time
It handles it.
The deionized water import connects deionized water preparation facilities, and the deionized water preparation facilities includes being sequentially communicated
Water storage tank 1, reverse osmose pure-water equipment 4 and deionized water holding vessel 5, the deionized water holding vessel 5 and the deionized water
Inlet communication；High-pressure pump 2 and first filter 3, the high-pressure pump 2 are equipped between the water storage tank 1 and reverse osmose pure-water equipment 4
It is controlled by the first solenoid valve.The reverse osmose pure-water equipment 4 for preparing deionized water is connected to homogeneous stirred tank 6,
The deionized water produced directly passes through pipeline to homogeneous stirred tank 6, avoids the pollution of intermediate link, ensure that and prepare urea
The quality of the raw material of solution, to ensure the quality of product.
The inside of the deionized water holding vessel 5 is equipped with conductivity sensor, ph value sensor and metal ion sensor,
The data of the conductivity sensor, ph value sensor and metal ion sensor pass through transmitter, and to be delivered to the cloud flat
Platform.Sensor is arranged in deionized water holding vessel 5 can detect the indices of deionized water, the data of sensor in real time
It is transmitted to mobile terminal by cloud platform, the indices of deionized water show and look into real time for staff on mobile terminals
It sees, if the case where quality dissatisfaction occur timely can find and handle, avoids bringing because deionized water quality is not up to standard
Contingency question.
It there also is provided flowmeter (not shown) on the pipeline being connected with pan tank, the flowmeter is for detecting
The amount of the product of pan tank is flowed into, the detection data of flowmeter is uploaded to mobile terminal also by cloud platform, so that staff
Understand the amount of the urea for vehicle solution prepared in task circulation.
The urea material inlet is connected with urea storage tank, and the discharge outlet of the urea storage tank is equipped with the second electricity
Magnet valve controls the outflow of material, and the second solenoid valve is controlled by first time relay.Pass through time relay control
Second solenoid valve processed opens the set time, and under the premise of flow is certain, second solenoid valve opens set time controllable urea
The addition mean value stirred tank 6 of urea raw material quantitative in holding vessel, saves manpower and raw material additional amount is accurate, to make product
Quality get a promotion and more stable.
Pressure sensor, the pressure sensor and the first solenoid valve and the are equipped in the bottom of the homogeneous stirred tank 6
One time relay is separately connected, to control the movement of the first solenoid valve and second solenoid valve；The inside of the homogeneous stirred tank
Equipped with agitating device, the stirring axis connection servo motor of the agitating device, the servo motor is equipped with the second time relay
Device, the servo motor connect controller；First solenoid valve, second solenoid valve, first time relay and the second time
Relay is connected with controller.
The delivery pump is controlled by third solenoid valve, and the third solenoid valve is connect with the controller.
PLC controller can be used in controller, and the interoperation of all parts is realized by controller, realizes a key of equipment
Operation, high degree of automation reduce labor intensity of workers, while the addition of each raw material is more accurate, promote product quality.
PLC is programmed for the technology of current maturation, and completely program can be arranged according to foregoing description in those skilled in the art, for the program
Details are not described herein.
Strainer and/or active carbon filter core are equipped with inside the purifying plant.Strainer can filter out the particle in urea liquid
Impurity, active carbon filter core can filter out organic matter, chlorine residue and other radioactive substances in urea liquid, promote urea liquid
Purity level.
Temperature sensor is equipped in the homogeneous stirred tank 6, the bottom of homogeneous stirred tank 6 is equipped with heating device, and homogeneous stirs
The side wall for mixing slot 6 is equipped with cooling tube, the control device phase of the temperature sensor and the heating device and the cooling tube
Connection.Heating device is set in homogeneous stirred tank 6, convenient for improving the speed of urea dissolution when urea dissolves；It is stirred in homogeneous
It mixes and cooling tube is set in slot 6, cooling efficiency can be improved, convenient for being convenient for contracting two for urea liquid fast cooling to gonorrhoea state
The precipitation of the impurity such as urea, thus can be filtered out simultaneously in filtering can not be filtered out under the room temperature such as biuret in urea liquid it is miscellaneous
Matter improves the quality of product.
The working method of above-mentioned urea for vehicle preparation facilities, comprising the following steps:
Step 1): in water storage tank inner storing water, high-pressure pump is opened, reverse osmose pure-water equipment starts to produce deionized water, described
Deionized water is sent into homogeneous stirred tank through pipeline；
Step 2: when deionized water reaches set amount in homogeneous stirred tank, pressure sensor issues signal, reverse osmose pure-water
Equipment stops working, and second solenoid valve opens the set time under the control of the time relay, so that quantitative urea is discharged into
Homogeneous stirred tank；
Step 3): under the action of controller, agitating device starts to stir, second time relay set stirring when
Between, after reaching setting time, agitating device stops stirring, at this point, urea is completely dissolved in deionization in homogeneous stirred tank
In water, the urea liquid that weight of urea percentage is 31.8%-33.2% is formed；
Step 4): the urea liquid is cooled to there is gonorrhoea state；
Step 5): delivery pump movement, the urea liquid is after filter and purifying plant under the action of delivery pump
Reach pan tank；
In above-mentioned steps, the sensor in deionized water holding vessel, homogeneous stirred tank and pan tank is molten to urea in real time
Liquid is detected, and data are sent to mobile terminal by cloud platform.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not whole embodiments of the invention, not to limit
The system present invention, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in
Within protection scope of the present invention.
In addition to the technical characteristic described in the specification, remaining technical characteristic is technology known to those skilled in the art, in order to prominent
Innovative characteristics of the invention out, details are not described herein for above-mentioned technical characteristic.
Claims (9)
1. a kind of urea for vehicle preparation facilities, characterized in that include:
Prepare the homogeneous stirred tank of urea liquid, the homogeneous stirred tank be equipped with urea material inlet, deionized water import and
Taphole；
The pan tank for containing urea liquid, is connected between the pan tank and the taphole by output pipe, described
Output pipe is equipped with delivery pump, filter device and purifying plant；The front and rear of the purifying plant is respectively equipped with filtering
The filter core of device, the filter device is made of cation exchange resin and anion exchange resin, wherein anion exchange tree
The amount of rouge is greater than the amount of cation exchange resin；
The sensor for quality control is disposed in the pan tank, the data of the sensor are transmitted to by transmitter
Cloud platform realizes data transmission by wireless network between the cloud platform and mobile terminal, and the sensor includes conductivity
Sensor, pH value sensor, metal ion sensor, urea sensor, ammonia gas sensor and free ammoniacal sensor.
2. a kind of urea for vehicle preparation facilities according to claim 1, characterized in that the deionized water import connection is gone
Ionized water preparation facilities, the deionized water preparation facilities include the water storage tank being sequentially communicated, reverse osmose pure-water equipment and go from
Sub- water store tank, the deionized water holding vessel and the deionized water inlet communication；The water storage tank and reverse osmose pure-water are set
High-pressure pump and filter are equipped between standby, the high-pressure pump is controlled by the first solenoid valve.
3. a kind of urea for vehicle preparation facilities according to claim 2, characterized in that the deionized water holding vessel it is interior
Portion be equipped with conductivity sensor, pH value sensor and metal ion sensor, the conductivity sensor, pH value sensor and
The data of metal ion sensor pass through transmitter and are delivered to the cloud platform.
4. a kind of urea for vehicle preparation facilities according to claim 3, characterized in that the urea material inlet and urea
Holding vessel is connected, and the discharge outlet of the urea storage tank is equipped with the outflow of second solenoid valve control material, second electricity
Magnet valve is controlled by first time relay.
5. a kind of urea for vehicle preparation facilities according to claim 4, characterized in that in the bottom of the homogeneous stirred tank
Equipped with pressure sensor, the pressure sensor is separately connected with the first solenoid valve and first time relay, to control first
The movement of solenoid valve and second solenoid valve；The inside of the homogeneous stirred tank is equipped with agitating device, the stirring of the agitating device
Axis connection servo motor, the servo motor are equipped with second time relay, and the servo motor connects controller；Described
One solenoid valve, second solenoid valve, first time relay and second time relay are connected with controller.
6. a kind of urea for vehicle preparation facilities according to claim 5, characterized in that the delivery pump passes through third electromagnetism
Valve is controlled, and the third solenoid valve is connect with the controller.
7. a kind of urea for vehicle preparation facilities according to claim 1, characterized in that be equipped with filter inside the purifying plant
Net and/or active carbon filter core.
8. a kind of urea for vehicle preparation facilities according to claim 1, characterized in that be equipped with temperature in the homogeneous stirred tank
Sensor is spent, the bottom of homogeneous stirred tank is equipped with heating device, and the side wall of homogeneous stirred tank is equipped with cooling tube, and the temperature passes
Sensor is connected with the control device of the heating device and the cooling tube.
9. a kind of working method of urea for vehicle preparation facilities as claimed in claim 6, characterized in that the following steps are included:
Step 1): in water storage tank inner storing water, opening high-pressure pump, and reverse osmose pure-water equipment starts to produce deionized water, it is described go from
Sub- water is sent into homogeneous stirred tank through pipeline；
Step 2: when deionized water reaches set amount in homogeneous stirred tank, pressure sensor issues signal, reverse osmose pure-water equipment
It stops working, second solenoid valve opens the set time under the control of the time relay, so that quantitative urea is discharged into homogeneous
Stirred tank；
Step 3): urea is completely dissolved in deionized water in homogeneous stirred tank, and forming weight of urea percentage is 31.8%-
33.2% urea liquid；
Step 4): the urea liquid is cooled to there is gonorrhoea state；
Step 5): the urea liquid reaches pan tank after filter and purifying plant；
In above-mentioned steps, sensor in deionized water holding vessel, homogeneous stirred tank and pan tank in real time to urea liquid into
Row detection, and data are sent to mobile terminal by cloud platform.
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| CN201610324415.3A CN107382787B (en) | 2016-05-17 | 2016-05-17 | A kind of urea for vehicle preparation facilities and its working method |
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| CN201610324415.3A CN107382787B (en) | 2016-05-17 | 2016-05-17 | A kind of urea for vehicle preparation facilities and its working method |
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| CN107382787B true CN107382787B (en) | 2019-11-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107417577A (en) * | 2016-05-24 | 2017-12-01 | 山东新蓝环保科技有限公司 | The method and device of biuret is removed in urea for vehicle |
| CN113230842B (en) * | 2021-04-02 | 2022-09-30 | 溢通环保科技（莆田）有限公司 | Suspended matter control and treatment system for diesel oil tail gas treatment liquid |
| CN115400493A (en) * | 2022-09-13 | 2022-11-29 | 江苏可兰素环保科技有限公司 | Purification process of urea solution for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695669A (en) * | 2009-09-10 | 2010-04-21 | 北京益利精细化学品有限公司 | Method for preparing urea catalytic liquid for vehicle |
| CN101811065A (en) * | 2010-04-20 | 2010-08-25 | 江苏可兰素汽车环保科技有限公司 | Production process for tail gas catalytic reducer |
| CN102814111A (en) * | 2012-08-31 | 2012-12-12 | 四川美丰化工股份有限公司 | Production device of discharged treatment liquid of movable type diesel engine |
| CN102935337A (en) * | 2012-11-25 | 2013-02-20 | 中国船舶重工集团公司第七一一研究所 | Urea solution online preparation device for SCR (Selective Catalytic Reduction) systems of marine diesel engines |
-
2016
- 2016-05-17 CN CN201610324415.3A patent/CN107382787B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695669A (en) * | 2009-09-10 | 2010-04-21 | 北京益利精细化学品有限公司 | Method for preparing urea catalytic liquid for vehicle |
| CN101811065A (en) * | 2010-04-20 | 2010-08-25 | 江苏可兰素汽车环保科技有限公司 | Production process for tail gas catalytic reducer |
| CN102814111A (en) * | 2012-08-31 | 2012-12-12 | 四川美丰化工股份有限公司 | Production device of discharged treatment liquid of movable type diesel engine |
| CN102935337A (en) * | 2012-11-25 | 2013-02-20 | 中国船舶重工集团公司第七一一研究所 | Urea solution online preparation device for SCR (Selective Catalytic Reduction) systems of marine diesel engines |
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