CN107324554A - A kind of manufacture method and manufacture system of urea for vehicle solution - Google Patents
A kind of manufacture method and manufacture system of urea for vehicle solution Download PDFInfo
- Publication number
- CN107324554A CN107324554A CN201710488461.1A CN201710488461A CN107324554A CN 107324554 A CN107324554 A CN 107324554A CN 201710488461 A CN201710488461 A CN 201710488461A CN 107324554 A CN107324554 A CN 107324554A
- Authority
- CN
- China
- Prior art keywords
- urea
- unit
- vehicle solution
- high purity
- concentration
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/02—Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/81—Forming mixtures with changing ratios or gradients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/2132—Concentration, pH, pOH, p(ION) or oxygen-demand
-
- 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
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/206—Manganese or manganese compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a kind of manufacture method and manufacture system of urea for vehicle solution, the manufacture method includes:The manufacture of S1 high purity waters, the configuration of S2 urea for vehicle solution, the filtering and purification of S3 urea for vehicle solution, and pass through control unit and each data sampling sensor in production process, real-time management and control quality and Monitoring Data, and mobile terminal is sent data to by cloud platform.The manufacture system includes control unit, cloud platform and mobile terminal, in addition to water supplying unit and feed unit, and urea liquid manufacturing cell and filtering purifier units；Control unit is used for the control of whole system, data acquisition, data analysis and automatically controlled.In summary, the manufacture method and manufacture system of a kind of urea for vehicle solution of the present invention, the qualified urea for vehicle solution of urea solubility can be produced automatically, reduce artificial manipulation strength and frequency, it is automatically performed the manufacture of urea for vehicle solution, and mobile terminal by cloud platform real-time monitoring and can be checked.
Description
Technical field
The invention belongs to urea for vehicle solution technique field, more particularly to a kind of manufacture method and system of urea for vehicle solution
Make system.
Background technology
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 using 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, made
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, SCR) system reducing agent, utilize the diesel oil such as the urea for vehicle aqueous solution and heavy truck, car
Reaction of nitrogen oxides generation N2 and H2O in tail gas carrys out cleaning of off-gas, its nitrogen oxides discharged is reached Europe IV discharge marks
It is accurate.
Traditional urea for vehicle is prepared as mixing urea raw material and deionized water according to certain ratio, urea is made molten
Liquid, then through filter, examine it is qualified after to carry out filling, traditional inspection 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 can not timely find；In addition, current production equipment is relied on
Hand stock can cause the unstable of product quality, and the linking of each step is not close, and labor strength is big, and production efficiency also compares
It is relatively low.
The content of the invention
For disadvantages described above, the technical problems to be solved by the invention are：A kind of manufacture system of urea for vehicle solution is provided
System and manufacture method, the qualified urea for vehicle solution of urea solubility can be produced automatically using the manufacture system and manufacture method,
Artificial manipulation strength and frequency are reduced, the manufacture of urea for vehicle solution is automatically performed, and mobile terminal can be real by cloud platform
When supervise and check.
In order to solve the above technical problems, the technical scheme is that：
A kind of manufacture method of urea for vehicle solution, comprises the following steps：
S1, high purity water manufacture：Raw water sequentially passes through the raw water coarse filtration unit and manganese sand iron-removing unit of water supplying unit, goes first
Except metal ions such as the particulate contamination and iron in raw water, manganese；Pass through first-stage reverse osmosis unit, two-pass reverse osmosis unit and three again
Level reverse osmosis units, eventually pass EDI units and become electrical conductivity and the qualified high purity water of pH value, the process is real-time by control unit
Monitor electrical conductivity and pH value, only electrical conductivity and pH value all qualified high purity waters can enter next production link；
S2, urea for vehicle solution configuration：Urea granules and the high purity water manufactured by step S1, system are added into stirred tank
The qualified urea for vehicle solution of concentration is made, the process monitors urea concentration in real time by control unit by urea concentration sensor,
Ensure that the concentration of urea liquid is qualified；
S3, urea for vehicle solution filtering and purification：The urea for vehicle solution manufactured by step S2 is through solution coarse filtration unit
Impurity particle therein is filtered, the derivatives such as contracting triuret are filtered out by ultrafiltration unit, it is ensured that the quality of urea liquid.
It is preferred that, the step S2 utilizes mass sensor specifically, add high purity water and urea granules into reactor
The urea granules of input stirred tank and the quality of high purity water can be accurately measured respectively, calculate the quantitative urea for vehicle of proportioning molten
Liquid also needs to the urea granules of addition or the quality of high purity water, it is ensured that match out the qualified urea for vehicle solution of concentration；Startup is stirred
Device is mixed, is completely dissolved to urea granules, the qualified urea for vehicle solution of concentration is produced.
It is preferred that, the step S2 can also be following steps：
(a) raw material is added：High purity water and urea granules are added into reactor, and monitor the addition of high purity water automatically：
Ensure that the high purity water added must not have urea granules using liquid level meter, the higher urea of matched proportion density first is molten based on experience value
Liquid；
(b) urea granules dissolve：Start motor to be stirred, until urea granules all dissolve；
(c) data monitoring and amendment：Monitor TEMP in the concentration and temperature of urea liquid in reactor, question response kettle
After the registration of device and concentration sensor is stable, then carry out data acquisition；And transfer data to control unit concentration collection repair
Positive unit is modified；The standard curve that preset urea concentration sensor reading is varied with temperature in control unit, records temperature
Urea concentration sensor reading ρ0iWith temperature sensor reading T0i, the actual concentrations ρ of reference standard curve acquisition urea liquidi；
(d) data are calculated：According to the concentration of revised urea liquid and the amount of the high purity water added, control system is automatic
Calculate, match the amount Δ m that qualified urea liquid also needs to the high purity water of additioni；
(e) pure water is increased：The result calculated according to step (c), quantitative high purity water m is added into reactori≤Δmi；
(f) repeat step (c) data monitoring and amendment；
(g) urea for vehicle solution is exported：If the concentration of revised urea liquid is qualified, qualified urea liquid is through going out
Liquid mouthful output, and the amount of the qualified urea liquid of automatic gauge；If unqualified, continue repeat step (d) and step (c) until
Produce the qualified urea liquid of concentration.
It is preferred that, during step (d) data are calculated, according to the concentration value ρ drawn after first time measurement amendment1, first
The quality m of urea granules is added in calculation procedure (a)0；
According toCalculate
Wherein, m1To add the quality of high purity water for the first time, the reality for the first time after the conversion of the urea liquid of measurement is dense
Spend ρ1；
Secondly, the quality Δ m for the high purity water that second of needs is added is calculated2,
CalculateWherein ρ is molten for the urea for vehicle that needs are matched
The concentration of liquid；
Similarly, can calculate ith will add the amount of high purity water：
Wherein, Δ miThe theoretical value of the quality of the water added, m are needed for ithiThe matter for the water being actually added into for ith
Amount；
Calculate
In above-mentioned steps, water supplying unit, urea liquid manufacturing cell and the sensor filtered in purifier units are right in real time
Urea liquid detected, data are sent to mobile terminal by control unit by cloud platform, real-time monitoring and is checked.
Present invention also offers a kind of manufacture system of urea for vehicle solution, including control unit, communicate with control unit
Cloud platform and mobile terminal, in addition to water supplying unit and feed unit, and be sequentially connected logical urea liquid manufacturing cell
With filtering purifier units；Described control unit is used for the control of whole system, data acquisition, data analysis and automatically controlled,
Described control unit includes concentration and gathers amending unit.
As an improvement, urea liquid manufacturing cell includes mass sensor and stirring installed in mass sensor top
Mix kettle；Urea concentration sensor, temperature sensor and liquid level meter are installed inside stirred tank；Darkroom is provided with the stirred tank,
The urea concentration sensor is arranged in the darkroom；It is additionally provided with stirred tank on pump, the pump and is connected with flush pipe, is rinsed
The other end of pipe is directed at the urea concentration sensor.
As an improvement, the upper end of the stirred tank is provided with inlet channel and charging aperture, and inlet channel is provided with heating
Case and first flowmeter；The lower end of stirred tank, which is provided with liquid outlet, liquid outlet, installs second flowmeter；The inlet channel connection
Water injection pipe, the other end alignment urea concentration sensor of water injection pipe.
As an improvement, the water supplying unit includes being sequentially connected logical raw water coarse filtration unit, manganese sand iron-removing unit, three
Level reverse osmosis units and EDI units, water supplying unit also include the conductivity sensor electrically connected with control system and pH value sensing
Device.
As an improvement, described control unit also includes recognition unit, positioning unit and failure reminding unit, the control
Unit processed is carried out data transmission by cloud platform with mobile terminal；Control unit could start shooting control after recognition unit identification digital code
Each unit processed is started working.
As an improvement, the feed unit includes automatic charging machine and controls the electromagnetism relay of the automatic charging machine
Device, electromagnetic relay is electrically connected with control unit；The filtering purifier units include solution coarse filtration unit and ultrafiltration unit,
The ultrafiltration unit, the lower end of the ultrafiltration unit, which is provided with product outlet, product outlet, installs the 3rd flowmeter.
Above-mentioned technical proposal is employed, the beneficial effects of the invention are as follows：
1st, in process of production by control unit and each data sampling sensor, real-time management and control quality and monitoring number
According to, and mobile terminal is sent data to by cloud platform, staff can understand product in real time by mobile terminal
Every quality index, if Indexes Abnormality occur timely can remind and handle, it is ensured that the quality of product, it is to avoid produce not
The loss that qualified products are brought.
2nd, the present apparatus and its method of work realize a key operation, mitigate the labor intensity of workman significantly, and each step is certainly
Dynamic control, raw material is added precisely, product quality is got a promotion and is conducive to keeping the stabilization of product quality, while at night
The time machine of workman's rest can still realize production, improve the yield of enterprise.
3rd, the design of stirred tank can eliminate the influence of external light source, bubble and urea crystals to Sensor monitoring data, protect
Demonstrate,prove the accuracy and reliability of urea concentration sensor monitoring.The concentration collection amending unit of control unit, to solve urea
The problem of concentration sensor low temperature Monitoring Data is forbidden, so as to improve the quality of product.
In summary, the manufacture method and its manufacture system of a kind of urea for vehicle solution of the invention, utilize the manufacture system
System and manufacture method can produce the qualified urea for vehicle solution of urea solubility automatically, reduce artificial manipulation strength and frequency, from
The dynamic manufacture for completing urea for vehicle solution, and mobile terminal by cloud platform real-time monitoring and can check.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of the manufacture system of urea for vehicle solution of the present invention；
Fig. 2 is a kind of structural representation of the manufacture system of urea for vehicle solution of the present invention；
Fig. 3 is the structural representation of Tu2Zhong urea liquids manufacturing cell；
Fig. 4 is the standard curve that urea concentration sensor reading is varied with temperature；
Wherein：1- water supplying units, 11- raw water coarse filtration units, 12- manganese sand iron-removing units, 13- three-level reverse osmosis units, 14-
EDI units, 2- feed units, 21- automatic charging machines, 3- urea liquids manufacturing cell, 31- mass sensors, 32- stirred tanks,
321- darkrooms, 322- inlet channels, 323- charging apertures, 324- heater boxes, 325- first flowmeters, 326- liquid outlets, 327-
Two flowmeters, 33- urea concentration sensors, 34- temperature sensors, 35- liquid level meters, 36- pumps, 361- flush pipes, 37- water fillings
Pipe, 38- agitating devices, 4- filtering purifier units, 41- solution coarse filtration units, 42- ultrafiltration units.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Embodiment
Jointly shown by Fig. 1 and Fig. 2, the invention provides a kind of manufacture system of urea for vehicle solution, including control are single
Member, the cloud platform communicated with control unit and mobile terminal, in addition to water supplying unit 1 and feed unit 2, and be sequentially connected logical
Urea liquid manufacturing cell 3 and filtering purifier units 4.Control unit is used for control, data acquisition, data to whole system
Analyze and automatically control, control unit includes concentration and gathers amending unit.Control unit also include recognition unit, positioning unit and
Failure reminding unit, control unit is carried out data transmission by cloud platform with mobile terminal.Controlled after recognition unit identification digital code
Unit processed, which could start shooting, controls each unit to start working.The quality of urea granules has conclusive work to the quality of urea liquid
With, for the quality for the urea for vehicle solution for ensureing production, all corresponding digital code when being dispatched from the factory per the qualified urea granules of batch.
By digital code input control system, control unit can start shooting after recognition unit identification, control each unit work.Water supplying unit 1
Raw water coarse filtration unit 11, manganese sand iron-removing unit 12, three-level reverse osmosis units 13 and the EDI unit 14 logical including being sequentially connected.For
Water unit 1 also includes the conductivity sensor and pH value sensor electrically connected with control system.
Jointly shown by Fig. 2 and Fig. 3, Fig. 4, urea liquid manufacturing cell 3 includes mass sensor 31 and installed in quality
The stirred tank 32 on the top of sensor 31；Urea concentration sensor 33, temperature sensor 34, liquid level meter are installed inside stirred tank 32
35 and agitating device 38.The present embodiment is preferred, and urea concentration sensor 33 is infrared photosensitizing type urea concentration sensor.Stirring
Darkroom 321 is provided with kettle 32, urea concentration sensor 33 is arranged in darkroom 321, it is ensured that urea concentration sensor 33 not by
The interference of ambient light, monitoring result is more accurate, reliable.The distance that urea concentration sensor 33 arrives the bottom of stirred tank 32 is 25cm
To between 35cm.The position can not only avoid the region that bottom urea is not completely dissolved, also can guarantee that urea concentration sensor 33
It is placed in urea liquid.It is additionally provided with stirred tank 32 on pump 36, pump 36 and is connected with flush pipe 361, the other end pair of flush pipe 361
Quasi- urea concentration sensor 33.The upper end of stirred tank 32 is provided with inlet channel 322 and charging aperture 323, and inlet channel 322 is provided with
Heater box 324 and first flowmeter 325.The lower end of stirred tank 32, which is provided with liquid outlet 326, liquid outlet 326, installs second flow
Meter 327.Inlet channel 322 connects water injection pipe, the other end alignment urea concentration sensor 33 of water injection pipe.Urea for vehicle solution is given birth to
The urea for vehicle solution that flush pipe 361 sprays during production constantly impacts urea concentration sensor 33, and bubble can be prevented to be adsorbed
On the surface of urea concentration sensor 33, the Monitoring Data of urea concentration sensor 33 is more accurate.Urea concentration is passed under normal temperature
Data stabilization that sensor 33 is measured and accurate, the data measured under low temperature are higher than the actual concentrations of urea liquid.Concentration collection is repaiied
The standard curve that the preset reading of urea concentration sensor 33 is varied with temperature in positive unit is low to solve urea concentration sensor 33
The problem of lower Monitoring Data of temperature is inaccurate.
Jointly shown by Fig. 1 and Fig. 2, feed unit 2 includes the electromagnetism of automatic charging machine 21 and control automatic charging machine 21
Relay (not shown), electromagnetic relay is electrically connected with control unit.Filtering purifier units 4 includes solution coarse filtration unit 41
With ultrafiltration unit 42.The lower end of ultrafiltration unit 42, which is provided with product outlet, product outlet, installs the 3rd flowmeter.
A kind of manufacture method of urea for vehicle solution, comprises the following steps：
S1, high purity water manufacture：Raw water sequentially passes through the raw water coarse filtration unit and manganese sand iron-removing unit of water supplying unit, goes first
Except metal ions such as the particulate contamination and iron in raw water, manganese；Pass through first-stage reverse osmosis unit, two-pass reverse osmosis unit and three again
Level reverse osmosis units, eventually pass EDI units and become electrical conductivity and the qualified high purity water of pH value, the process is real-time by control unit
Monitor electrical conductivity and pH value, only electrical conductivity and pH value all qualified high purity waters can enter next production link.
S2, urea for vehicle solution configuration：Urea granules and the high purity water manufactured by step S1, system are added into stirred tank
The qualified urea for vehicle solution of concentration is made, the process monitors urea concentration in real time by control unit by urea concentration sensor,
Ensure that the concentration of urea liquid is qualified.
The matched proportion density of urea for vehicle solution is controlled using mass sensor, high purity water and urea are added into reactor
Grain, can accurately be measured the urea granules of input stirred tank and the quality of high purity water respectively using mass sensor, calculated
The quantitative urea for vehicle solution of proportioning also needs to the urea granules of addition or the quality of high purity water, it is ensured that match out the qualified car of concentration
Use urea liquid；Start agitating device, be completely dissolved to urea granules, produce the qualified urea for vehicle solution of concentration.
When mass sensor fails, it is possible to use urea concentration sensor and flowmeter control matching somebody with somebody for urea for vehicle solution
Specific concentration：Step is：
(a) raw material is added：High purity water and urea granules are added into reactor, and monitor the addition of high purity water automatically：
Ensure that the high purity water added must not have urea granules using liquid level meter, the higher urea of matched proportion density first is molten based on experience value
Liquid；
(b) urea granules dissolve：Start motor to be stirred, until urea granules all dissolve；
(c) data monitoring and amendment：Monitor TEMP in the concentration and temperature of urea liquid in reactor, question response kettle
After the registration of device and concentration sensor is stable, then carry out data acquisition；And transfer data to control unit concentration collection repair
Positive unit is modified；The standard curve that preset urea concentration sensor reading is varied with temperature in control unit, records temperature
Urea concentration sensor reading ρ0iWith temperature sensor reading T0i, the actual concentrations ρ of reference standard curve acquisition urea liquidi；
(d) data are calculated：According to the concentration of revised urea liquid and the amount of the high purity water added, control system is automatic
Calculate, match the amount Δ m that qualified urea liquid also needs to the high purity water of additioni；
According to the concentration value ρ drawn after first time measurement amendment1, the matter of urea granules is added in calculation procedure (a) first
Measure m0；
According toCalculate
Wherein, m1To add the quality of high purity water for the first time, the reality for the first time after the conversion of the urea liquid of measurement is dense
Spend ρ1；
Secondly, the quality Δ m for the high purity water that second of needs is added is calculated2,
CalculateWherein ρ is molten for the urea for vehicle that needs are matched
The concentration of liquid；
Similarly, can calculate ith will add the amount of high purity water：
Wherein, Δ miThe theoretical value of the quality of the water added, m are needed for ithiThe matter for the water being actually added into for ith
Amount；
Calculate
(e) pure water is increased：The result calculated according to step (c), quantitative high purity water m is added into reactori, wherein mi
≤Δmi.It is preferred in the present embodiment,
(f) repeat step (c) data monitoring and amendment；
(g) urea for vehicle solution is exported：If the concentration of revised urea liquid is qualified, qualified urea liquid is through going out
Liquid mouthful output, and the amount of the qualified urea liquid of automatic gauge；If unqualified, continue repeat step (d) and step (c) until
Produce the qualified urea liquid of concentration.
By adding water and detecting several times, until the urea for vehicle solution of production reaches the concentration value that we require.
S3, urea for vehicle solution filtering and purification：The urea for vehicle solution manufactured by step S2 is through solution coarse filtration unit
41 filtering impurity particles therein, filter out the derivatives such as contracting triuret, it is ensured that the matter of urea liquid by ultrafiltration unit 42
Amount and condition.
In above-mentioned steps, water supplying unit, urea liquid manufacturing cell and the sensor filtered in purifier units are right in real time
Urea liquid detected, data are sent to mobile terminal by control unit by cloud platform, real-time monitoring and is checked.
In summary, the manufacture method and its manufacture system of a kind of urea for vehicle solution of the invention, utilize the manufacture system
System and manufacture method can produce the qualified urea for vehicle solution of urea solubility automatically, reduce artificial manipulation strength and frequency, from
The dynamic manufacture for completing urea for vehicle solution, and mobile terminal by cloud platform real-time monitoring and can check.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of manufacture method of urea for vehicle solution, it is characterised in that comprise the following steps：
S1, high purity water manufacture：Raw water sequentially passes through the raw water coarse filtration unit and manganese sand iron-removing unit of water supplying unit, removes first former
The metal ions such as particulate contamination and iron, manganese in water；It is anti-by first-stage reverse osmosis unit, two-pass reverse osmosis unit and three-level again
Permeation unit, eventually passes EDI units and becomes electrical conductivity and the qualified high purity water of pH value, the process is monitored in real time by control unit
Electrical conductivity and pH value, only electrical conductivity and pH value all qualified high purity waters can enter next production link；
S2, urea for vehicle solution configuration：Urea granules and the high purity water manufactured by step S1 are added into stirred tank, are manufactured dense
The qualified urea for vehicle solution of degree, the process monitors urea concentration in real time by control unit by urea concentration sensor, it is ensured that
The concentration of urea liquid is qualified；
S3, urea for vehicle solution filtering and purification：Filtered by the step S2 urea for vehicle solution manufactured through solution coarse filtration unit
Impurity particle therein, the derivatives such as contracting triuret are filtered out by ultrafiltration unit, it is ensured that the quality of urea liquid.
2. the manufacture method of urea for vehicle solution according to claim 1, it is characterised in that：The step S2 specifically,
High purity water and urea granules are added into reactor, the urine of input stirred tank can be accurately measured respectively using mass sensor
The quality of crude granule and high purity water, calculates urea granules or high purity water that proportioning quantitative urea for vehicle solution also needs to addition
Quality, it is ensured that match out the qualified urea for vehicle solution of concentration；Start agitating device, be completely dissolved, produce to urea granules
The qualified urea for vehicle solution of concentration.
3. the manufacture method of urea for vehicle solution according to claim 1, it is characterised in that：The step S2 can also be
Following steps；
(a) raw material is added：High purity water and urea granules are added into reactor, and monitor the addition of high purity water automatically：Utilize
Liquid level meter ensures that the high purity water added must not have urea granules, based on experience value the higher urea liquid of matched proportion density first；
(b) urea granules dissolve：Start motor to be stirred, until urea granules all dissolve；
(c) data monitoring and amendment：Monitor the concentration and temperature of urea liquid in reactor, in question response kettle temperature sensor and
After the registration of concentration sensor is stable, then carry out data acquisition；And it is single to transfer data to the concentration collection amendment of control unit
Member is modified；The standard curve that preset urea concentration sensor reading is varied with temperature in control unit, records temperature urea
Concentration sensor reading ρ0iWith temperature sensor reading T0i, the actual concentrations ρ of reference standard curve acquisition urea liquidi；
(d) data are calculated：According to the concentration of revised urea liquid and the amount of the high purity water added, control system is counted automatically
Calculate, match the amount Δ m that qualified urea liquid also needs to the high purity water of additioni；
(e) pure water is increased：The result calculated according to step (c), quantitative high purity water m is added into reactori≤Δmi；
(f) repeat step (c) data monitoring and amendment；
(g) urea for vehicle solution is exported：If the concentration of revised urea liquid is qualified, qualified urea liquid is through liquid outlet
Output, and the amount of the qualified urea liquid of automatic gauge；If unqualified, continue repeat step (d) and step (c) until manufacture
Go out the qualified urea liquid of concentration.
4. the manufacture method of urea for vehicle solution according to claim 3, it is characterised in that：Step (d) the data meter
In calculation, according to the concentration value ρ drawn after first time measurement amendment1, the quality m of urea granules is added in calculation procedure (a) first0；
According toCalculate
Wherein, m1To add the quality of high purity water, the actual concentrations ρ after the conversion of the urea liquid measured for the first time for the first time1；
Secondly, the quality Δ m for the high purity water that second of needs is added is calculated2,
CalculateWherein ρ is dense for the urea for vehicle solution of needs proportioning
Degree；
Similarly, can calculate ith will add the amount of high purity water：
Wherein, Δ miThe theoretical value of the quality of the water added, m are needed for ithiThe quality for the water being actually added into for ith；
Calculate
5. a kind of manufacture system for being used to realize the urea for vehicle solution described in claim 1, it is characterised in that：It is single including control
Member, the cloud platform communicated with control unit and mobile terminal, in addition to water supplying unit and feed unit, and be sequentially connected logical
Urea liquid manufacturing cell and filtering purifier units；Described control unit is used for control, data acquisition, data to whole system
Analyze and automatically control, described control unit includes concentration and gathers amending unit.
6. the manufacture system of urea for vehicle solution according to claim 5, it is characterised in that：Urea liquid manufacturing cell wraps
Include mass sensor and the stirred tank installed in mass sensor top；Urea concentration sensor, temperature are installed inside stirred tank
Spend sensor and liquid level meter；Darkroom is provided with the stirred tank, the urea concentration sensor is arranged in the darkroom；Stirring
It is additionally provided with kettle on pump, the pump and is connected with flush pipe, the other end of flush pipe is directed at the urea concentration sensor.
7. the manufacture system of urea for vehicle solution according to claim 6, it is characterised in that：The upper end of the stirred tank is set
There are inlet channel and charging aperture, inlet channel is provided with heater box and first flowmeter；The lower end of stirred tank is provided with liquid outlet, goes out
Second flowmeter is installed at liquid mouthful；The inlet channel connects water injection pipe, the other end alignment urea concentration sensor of water injection pipe.
8. the manufacture system of urea for vehicle solution according to claim 5, it is characterised in that：The water supplying unit include according to
The secondary raw water coarse filtration unit being connected, manganese sand iron-removing unit, three-level reverse osmosis units and EDI units, water supplying unit also include with
The conductivity sensor and pH value sensor of control system electrical connection.
9. the manufacture system of urea for vehicle solution according to claim 5, it is characterised in that：Described control unit also includes
Recognition unit, positioning unit and failure reminding unit, described control unit are carried out data transmission by cloud platform with mobile terminal；
Control unit, which could start shooting, after recognition unit identification digital code controls each unit to start working.
10. the manufacture system of urea for vehicle solution according to claim 5, it is characterised in that：The feed unit includes
Automatic charging machine and the electromagnetic relay for controlling the automatic charging machine, electromagnetic relay are electrically connected with control unit；The mistake
Filter purifier units include solution coarse filtration unit and ultrafiltration unit, the ultrafiltration unit, the ultrafiltration unit
Lower end, which is provided with product outlet, product outlet, installs the 3rd flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488461.1A CN107324554B (en) | 2017-06-23 | 2017-06-23 | Manufacturing method and manufacturing system of urea solution for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488461.1A CN107324554B (en) | 2017-06-23 | 2017-06-23 | Manufacturing method and manufacturing system of urea solution for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107324554A true CN107324554A (en) | 2017-11-07 |
| CN107324554B CN107324554B (en) | 2020-07-10 |
Family
ID=60195561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710488461.1A Active CN107324554B (en) | 2017-06-23 | 2017-06-23 | Manufacturing method and manufacturing system of urea solution for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107324554B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479438A (en) * | 2018-04-28 | 2018-09-04 | 贵州绿力环保科技发展有限公司 | A kind of urea for vehicle solution manufacturing method |
| CN108479507A (en) * | 2018-04-28 | 2018-09-04 | 贵州绿力环保科技发展有限公司 | A kind of urea for vehicle solution maker |
| CN108658810A (en) * | 2018-06-28 | 2018-10-16 | 福州海蓝环保科技有限公司 | A kind of urea for vehicle production system |
| CN109126539A (en) * | 2018-09-17 | 2019-01-04 | 淮北惠源环保科技有限公司 | A kind of urea for vehicle solution production system |
| CN109126490A (en) * | 2018-09-07 | 2019-01-04 | 珠海格力智能装备有限公司 | Method and device for preparing urea solution |
| CN109224940A (en) * | 2018-09-17 | 2019-01-18 | 淮北惠源环保科技有限公司 | A kind of urea for vehicle solution agitating device |
| CN111781906A (en) * | 2020-07-23 | 2020-10-16 | 安徽威尔低碳科技股份有限公司 | Automobile-used urea solution production system with remote quality monitoring |
| CN112230061A (en) * | 2020-07-16 | 2021-01-15 | 深圳市计量质量检测研究院 | SAR tissue fluid modulation system and modulation method |
| CN112520919A (en) * | 2020-11-17 | 2021-03-19 | 珠海格力智能装备有限公司 | Water purification method and device based on urea machine |
| CN113663560A (en) * | 2021-10-05 | 2021-11-19 | 黑龙江绿通环保科技有限公司 | Method and device for manufacturing urea solution for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005299441A (en) * | 2004-04-08 | 2005-10-27 | Hino Motors Ltd | Urea water storage device |
| CN101776559A (en) * | 2010-01-28 | 2010-07-14 | 东风汽车有限公司 | Method for detecting concentration of urea aqueous solution |
| JP2010223650A (en) * | 2009-03-23 | 2010-10-07 | Toyota Central R&D Labs Inc | Method and instrument for measuring component in exhaust gas |
| CN106492664A (en) * | 2016-12-21 | 2017-03-15 | 成都乾威科技有限公司 | Urea for vehicle process units |
-
2017
- 2017-06-23 CN CN201710488461.1A patent/CN107324554B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005299441A (en) * | 2004-04-08 | 2005-10-27 | Hino Motors Ltd | Urea water storage device |
| JP2010223650A (en) * | 2009-03-23 | 2010-10-07 | Toyota Central R&D Labs Inc | Method and instrument for measuring component in exhaust gas |
| CN101776559A (en) * | 2010-01-28 | 2010-07-14 | 东风汽车有限公司 | Method for detecting concentration of urea aqueous solution |
| CN106492664A (en) * | 2016-12-21 | 2017-03-15 | 成都乾威科技有限公司 | Urea for vehicle process units |
Non-Patent Citations (1)
| Title |
|---|
| 张惠荣等: "《论文集 2010-2013（下册）》", 31 December 2013, 哈尔滨工业大学出版社 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108479438A (en) * | 2018-04-28 | 2018-09-04 | 贵州绿力环保科技发展有限公司 | A kind of urea for vehicle solution manufacturing method |
| CN108479507A (en) * | 2018-04-28 | 2018-09-04 | 贵州绿力环保科技发展有限公司 | A kind of urea for vehicle solution maker |
| CN108658810A (en) * | 2018-06-28 | 2018-10-16 | 福州海蓝环保科技有限公司 | A kind of urea for vehicle production system |
| CN108658810B (en) * | 2018-06-28 | 2020-12-25 | 福州海蓝环保科技有限公司 | Automobile-used urea production system |
| CN109126490A (en) * | 2018-09-07 | 2019-01-04 | 珠海格力智能装备有限公司 | Method and device for preparing urea solution |
| CN109126539A (en) * | 2018-09-17 | 2019-01-04 | 淮北惠源环保科技有限公司 | A kind of urea for vehicle solution production system |
| CN109224940A (en) * | 2018-09-17 | 2019-01-18 | 淮北惠源环保科技有限公司 | A kind of urea for vehicle solution agitating device |
| CN112230061A (en) * | 2020-07-16 | 2021-01-15 | 深圳市计量质量检测研究院 | SAR tissue fluid modulation system and modulation method |
| CN111781906A (en) * | 2020-07-23 | 2020-10-16 | 安徽威尔低碳科技股份有限公司 | Automobile-used urea solution production system with remote quality monitoring |
| CN112520919A (en) * | 2020-11-17 | 2021-03-19 | 珠海格力智能装备有限公司 | Water purification method and device based on urea machine |
| CN112520919B (en) * | 2020-11-17 | 2022-05-27 | 珠海格力智能装备有限公司 | Water purification method and device based on urea machine |
| CN113663560A (en) * | 2021-10-05 | 2021-11-19 | 黑龙江绿通环保科技有限公司 | Method and device for manufacturing urea solution for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107324554B (en) | 2020-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107324554A (en) | A kind of manufacture method and manufacture system of urea for vehicle solution | |
| US20220033279A1 (en) | Method and apparatus to monitor and control a water system | |
| US11447404B2 (en) | System and method of deionization of water | |
| CN105833751A (en) | Vehicle-mounted intelligent urea solution manufacturing device and operating method thereof | |
| CN117049744A (en) | Intelligent management system for modularized sewage treatment | |
| KR101640401B1 (en) | Device for high purity ureasolution and manufacturing method thereof | |
| CN107382787B (en) | A kind of urea for vehicle preparation facilities and its working method | |
| CN112129909B (en) | Online instrument evaluation test device and test method for water quality of power plant | |
| CN213517098U (en) | Power plant water quality on-line instrument evaluation test device | |
| CN107369486A (en) | The regulation of 2AF and OF feed liquids prepares integrated system in a kind of aftertreatment technology flow | |
| CN107387212B (en) | Vehicular urea for vehicle preparation facilities and its working method | |
| JPH09189797A (en) | Radioactive waste liquid treatment facility | |
| CN210764382U (en) | Control structure for automatic dosing of circulating water tank | |
| CN204834067U (en) | Trace level radioactive wastewater pH of nuclear power plant value automatic control system | |
| CN109903874B (en) | Sewage treatment device and method | |
| CN207072866U (en) | The device of monitoring processing potable water used in shipes | |
| CN206281525U (en) | Soda water quality detection and regulation system | |
| CN220584247U (en) | Online sampling analysis system for phosphate production | |
| CN212964607U (en) | Device for on-line detection of copper etching liquid | |
| KR102592939B1 (en) | Equipment for manufacturing the number of elements with a quantitative element content and a method for manufacturing the number of elements with a quantitative element content using it | |
| CN213060471U (en) | Accurate control system of pH and calcium ion concentration among fluoride waste water treatment system | |
| CN208062164U (en) | Device applied to the configuration of ternary precursor raw material | |
| CN107367591A (en) | A kind of system and method that blowdown behavior is watered for environmental management department online monitoring and management enterprise | |
| KR20240006871A (en) | Urea water production method and urea water manufacturing device and urea water management system | |
| WO2024015349A1 (en) | Water treatment system |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A manufacturing method and system of vehicle urea solution Effective date of registration: 20220512 Granted publication date: 20200710 Pledgee: China Everbright Bank Co.,Ltd. Weifang branch Pledgor: SHANDONG NEW BLUE ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2022980005508 |