CN106512771A - Automotive urea loading, filling and stirring method - Google Patents
Automotive urea loading, filling and stirring method Download PDFInfo
- Publication number
- CN106512771A CN106512771A CN201611197496.1A CN201611197496A CN106512771A CN 106512771 A CN106512771 A CN 106512771A CN 201611197496 A CN201611197496 A CN 201611197496A CN 106512771 A CN106512771 A CN 106512771A
- Authority
- CN
- China
- Prior art keywords
- urea
- agitator tank
- solution
- stirring
- circulation
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/54—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle provided with a pump inside the receptacle to recirculate the material within the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
-
- 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
- B01F21/50—Elements used for separating or keeping undissolved material in the mixer
- B01F21/501—Tablet canisters provided with perforated walls, sieves, grids or filters
-
- 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
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses an automotive urea loading, filling and stirring method. The automotive urea loading, filling and stirring method is characterized by comprising the following steps: A, pouring bagged solid urea in a stirring box; B, injecting ultrapure water in the stirring box and mixing the ultrapure water with the solid urea to form a urea solution; C, stirring the urea solution so that the urea solution form rotational flow; and D, after the concentration of the urea solution reaches a preset value, draining the urea solution out of the stirring box. According to the automotive urea loading, filling and stirring method with the steps, the rotational flow generated by the solution replaces a traditional mechanical stirring mode, the stirring efficiency is high, the urea is stirred evenly, and potential pollution caused by a traditional mechanical stirring device is avoided. A circular stirring system and a finished solution draining system share a plurality of devices and pipelines, production costs are greatly saved, and economic benefit is increased.
Description
Technical field
The present invention relates to a kind of method for producing urea for vehicle solution.
Background technology
As the environmental protection department of various countries proposes further to reduce the nitrogen oxides pollution thing that diesel emission is put.Start
Machine manufacturer begins to use SCR technology, and (Selective Catalytic Reduction Technology selective catalysis are also
Former technology) reaching the requirement of environmental administration.Diesel engine vent gas treatment fluid (country be commonly called as：Automobile urea, urea for vehicle, vapour
Car environmental protection urea), it is the running stores for having in SCR technology use.
Automobile-used level urea is mainly dissolved in the operation of pure water for the preparation of urea for vehicle solution.At present, urea for vehicle is molten
The mode of production method of liquid falls behind, it is impossible to meet large batch of production requirement.
The content of the invention
In view of this, the present invention provides a kind of urea for vehicle feeding and fills stirring means, and its stirring efficiency is high, it is adaptable to big
Batch production.
To solve above technical problem, the technical scheme is that：A kind of urea for vehicle feeding fills stirring means, its
It is characterised by comprising the following steps：
A. packed solid urea is poured into into agitator tank；
B. ultra-pure water is injected toward in agitator tank be mixed to form urea liquid with solid urea；
C. stir urea liquid to be allowed to form eddy flow；
D. urea liquid is discharged into agitator tank after urea liquid reaches preset concentration.
As a kind of improvement, in step A, packed solid urea is poured in agitator tank using loading bracket；Upper material torr
Frame is connected with agitator tank and can be stirred around its tie point with agitator tank up and down；Loading bracket is fixed with the feeding of oval tubular
Mouthful, in feeding port, both sides are provided with the support tube of cylindrical shape；Also include the button for feeding port is fixed with packed solid urea
Band；Packed solid urea is positioned over into loading bracket, its opening is placed on feeding port, and is tightened using cingulum.
As a kind of improvement, storing basket is provided with the agitator tank, on the storing basket, some through holes is provided with；Upper material torr
Frame upset pours into packed solid urea in storing basket.
As a kind of improvement, in step B, using quantitative filling system by the ultrapure water inlet at the top of agitator tank toward stirring
Injection ultra-pure water in case；Quantitative filling system includes intake pump and the flow sensor that is connected with intake pump and magnetic valve；
The flow sensor is connected with magnetic valve；Flow sensor is used for the injection rate for monitoring ultra-pure water, while controlling magnetic valve
Opening and closing.
As a kind of improvement, in step C, eddy flow is formed in agitator tank inner-outer circulation by urea liquid.
As a kind of improvement, circulation solution entrance and circulation solution outlet are opened up on the wall of the agitator tank side, and is arranged
One water circulating pump so that the water inlet end of water circulating pump is connected with circulation solution outlet and water side is connected with circulation solution entrance.
As a kind of improvement, in step D, tee ball valve is set between water circulating pump and circulation solution entrance, the threeway
Ball valve has two delivery ports, wherein a delivery port is connected with circulation solution entrance, another delivery port with for solution is discharged
Finished product efferent duct connection；When being circulated stirring, the path between tee ball valve and finished product efferent duct is cut off, allow solution
Circulated between agitator tank and water circulating pump by circulation solution entrance and circulation solution outlet；When solution concentration reaches requirement
Afterwards, the path between tee ball valve and circulation solution entrance is cut off, allows solution to flow to finished product efferent duct.
As a kind of improvement, it is being up to be filtered before the urea liquid after preset concentration discharges agitator tank.Three
Add a post-filter to be filtered between pass ball valve and finished product efferent duct.
The invention has benefit that：Urea for vehicle feeding with above-mentioned steps filling stirring means, using solution
The eddy flow of generation substitutes the agitating mode of tradition machinery formula, and its stirring efficiency is high, stirs, and avoids tradition machinery formula
The pollution that agitating device may bring.And between its circulation stirring system and final mean annual increment solution output system share some equipment with
And pipeline, production cost is greatlyd save, economic benefit is improve.
Description of the drawings
Fig. 1 is the flow chart of the present invention.
Positive structure diagrams of the Fig. 2 for agitator tank.
Fig. 3 faces internal structure schematic diagram for agitator tank.
Top views of the Fig. 4 for agitator tank.
Fig. 5 is that agitator tank overlooks internal structure schematic diagram.
Fig. 6 is feeding port schematic diagram.
Mark in figure：1 agitator tank, 2 loading brackets, 3 driving means, 4 feeding ports, 5 finished product efferent ducts, 6 ultrapure water inlets,
7 circulation solution entrances, the outlet of 8 circulation solutions, 9 storing baskets, 10 intake pumps, 11 flow sensors, 13 magnetic valves, 14 charging apertures,
15 water circulating pumps, 16 tee ball valves, 17 post-filters, 18 mass on-line monitoring sensor, 19 packed solid ureas, 41 support
Cylinder, 42 cingulums.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment
The present invention is described in further detail.
As shown in figs 1 to 6, equipment used in the present invention is included for toppling over the feeding system of packed urea, for adding
The quantitative filling system of note ultra-pure water, for the circulation stirring system that mixes pure water and urea and by the solution being stirred
The final mean annual increment solution output system of output.Said system is by electrical control cubicles control.
Wherein, circulation stirring system includes an agitator tank 1, and charging aperture 14 is provided with above the agitator tank 1；It is described to stir
Mix the storing basket 9 for being provided with some holes is provided with below charging aperture 14；Circulation is provided with the agitator tank 1 molten
Liquid entrance 7 and circulation solution outlet 8 and the ultrapure water inlet 6 being connected with quantitative filling system；6 He of circulation solution entrance
Circulation solution outlet 7 is connected with 15 two ends of water circulating pump respectively.1 inner chamber of agitator tank is fillet.Quality is provided with agitator tank 1 to exist
Line monitors sensor 18.
Feeding system includes the loading bracket 2 being connected with the agitator tank 1 in circulation stirring system, and the loading bracket 2 can
Stirred around its tie point with agitator tank 1 up and down, also include the driving means 3 for driving loading bracket 2 to stir.Loading bracket
2 include link and are vertically arranged in the supporting plate of link front end.Driving means 3 can be oil cylinder or cylinder and other
The equipment that loading bracket 1 can be driven to overturn.The feeding port 4 of oval tubular, both sides in feeding port 4 are fixed with loading bracket 1
It is provided with the support tube 41 of cylindrical shape；Also include the cingulum 42 for feeding port 4 is fixed with packed urea 19.
Quantitative filling system includes the water inlet pipe being connected with the ultrapure water inlet 6 on the agitator tank 1 in circulation stirring system
Road, is provided with intake pump 10 on the inlet channel；Also include flow sensor 11 and the electromagnetism being arranged on inlet channel
Valve 13；The flow sensor 11 is connected with magnetic valve 13.
Final mean annual increment solution output system is included the water circulating pump 15 shared with circulation stirring system and is connected with water circulating pump 15
The tee ball valve 16 for connecing；The tee ball valve 16 has two water sides, and one of water side is molten with the circulation on agitator tank 1
Liquid entrance 7 is connected, and another water side connects 5 with finished product efferent duct.It is provided between tee ball valve 16 and finished product efferent duct 5
Post-filter 17.Tee ball valve 16 is preferably L-type tee ball valve.
The present invention is comprised the following steps.
The blanking of step A..Packed solid urea 19 is poured into into agitator tank 1；Using loading bracket 2 by packed solid urea
19 pour in agitator tank 1；Loading bracket 2 is connected with agitator tank 1 and can be stirred around its tie point with agitator tank 1 up and down；On
Material torr frame 2 is fixed with the feeding port 4 of oval tubular, and in feeding port 4, both sides are provided with the support tube 41 of cylindrical shape；Also include for
The cingulum 42 that feeding port 4 is fixed with packed solid urea 19；Packed solid urea 19 is positioned over into loading bracket 2, its opening
It is placed on feeding port 4, and is tightened using cingulum 42.Storing basket 9 is provided with agitator tank 1, is provided with the storing basket 9 some logical
Hole；Loading bracket 2 overturns and packed solid urea 19 is poured in storing basket.
The water filling of step B..Toward in agitator tank 1, injection ultra-pure water is mixed to form urea liquid with solid urea；Added using quantitative
Injection system is by the ultrapure water inlet 6 at the top of agitator tank 1 toward injection ultra-pure water in agitator tank 1；Quantitative filling system includes water inlet
Pump 10 and the flow sensor 11 being connected with intake pump 10 and magnetic valve 13；The flow sensor 11 is connected with magnetic valve 13
Connect；Flow sensor 11 is used for the injection rate for monitoring ultra-pure water, while controlling the opening and closing of magnetic valve 13.
Step C. is stirred.Eddy flow is formed in 1 inner-outer circulation of agitator tank by urea liquid.Open up on 1 side wall of agitator tank and follow
Ring solution inlet 7 and circulation solution outlet 8, and a water circulating pump 15 is set so that the water inlet end of water circulating pump 15 is molten with circulation
Liquid outlet 8 is connected and water side is connected with circulation solution entrance 7.Urea in storing basket 9 is dissolved by ultra-pure water, in agitator tank 1
Chamber is constantly stirred, and constantly washes away dissolving to the urea in storing basket 9.Storing basket 9 can avoid oarse-grained solid urine
Element is entered in agitator tank 1.
The discharge opeing of step D..Urea liquid is discharged into agitator tank 1 after urea liquid reaches preset concentration.In water circulating pump 15
Between circulation solution entrance 7 arrange tee ball valve 16, the tee ball valve 16 have two delivery ports, wherein a delivery port with follow
Ring solution inlet 7 is connected, and another delivery port is connected with the finished product efferent duct 5 for solution is discharged；When being stirred, cut
Path between disconnected tee ball valve 16 and finished product efferent duct 5, allows solution to exist by circulation solution entrance 7 and circulation solution outlet 8
Circulate between agitator tank 1 and water circulating pump 15；After solution concentration reaches requirement, tee ball valve 16 and circulation solution entrance are cut off
Path between 7, allows solution to flow to finished product efferent duct 5.Before the discharge agitator tank 1 of the urea liquid after preset concentration is up to
Filtered.Preferably add a post-filter 17 to be filtered between tee ball valve 16 and finished product efferent duct 5.
The above is only the preferred embodiment of the present invention, it is noted that it is right that above-mentioned preferred embodiment is not construed as
The restriction of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of urea for vehicle feeding fills stirring means, it is characterised in that comprise the following steps：
A. packed solid urea is poured into into agitator tank；
B. ultra-pure water is injected toward in agitator tank be mixed to form urea liquid with solid urea；
C. stir urea liquid to be allowed to form eddy flow；
D. urea liquid is discharged into agitator tank after urea liquid reaches preset concentration.
2. a kind of urea for vehicle feeding according to claim 1 fills stirring means, it is characterised in that：In step A, utilize
Loading bracket pours into packed solid urea in agitator tank；Loading bracket is connected with agitator tank and can be around its company with agitator tank
Contact is stirred up and down；Loading bracket is fixed with the feeding port of oval tubular, and in feeding port, both sides are provided with the support tube of cylindrical shape；
Also include the cingulum for feeding port is fixed with packed solid urea；Packed solid urea is positioned over into loading bracket, which is opened
Muzzle is on feeding port, and is tightened using cingulum.
3. a kind of urea for vehicle feeding according to claim 2 fills stirring means, it is characterised in that：In the agitator tank
Storing basket is provided with, on the storing basket, some through holes is provided with；Packed solid urea is poured into storing basket by loading bracket upset
It is interior.
4. a kind of urea for vehicle feeding according to claim 1 fills stirring means, it is characterised in that：In step B, utilize
Quantitative filling system injects ultra-pure water by the ultrapure water inlet at the top of agitator tank toward in agitator tank；Quantitative filling system include into
Water pump and the flow sensor being connected with intake pump and magnetic valve；The flow sensor is connected with magnetic valve；Flow is passed
Sensor is used for the injection rate for monitoring ultra-pure water, while controlling the opening and closing of magnetic valve.
5. a kind of urea for vehicle feeding according to claim 1 fills stirring means, it is characterised in that：In step C, pass through
Urea liquid forms eddy flow in agitator tank inner-outer circulation.
6. a kind of urea for vehicle feeding according to claim 5 fills stirring means, it is characterised in that：In the agitator tank
Circulation solution entrance and circulation solution outlet are opened up on the wall of side, and a water circulating pump are set so that the water inlet end of water circulating pump with
Circulation solution outlet is connected and water side is connected with circulation solution entrance.
7. a kind of urea for vehicle feeding according to claim 6 fills stirring means, it is characterised in that：In step D, following
Between ring water pump and circulation solution entrance, tee ball valve is set, the tee ball valve have two delivery ports, wherein a delivery port with
Circulation solution entrance is connected, and another delivery port is connected with the finished product efferent duct for solution is discharged；When being stirred, cut
Path between disconnected tee ball valve and finished product efferent duct, allows solution to export in agitator tank by circulation solution entrance and circulation solution
Circulate between water circulating pump；After solution concentration reaches requirement, the path between tee ball valve and circulation solution entrance is cut off,
Solution is allowed to flow to finished product efferent duct.
8. a kind of urea for vehicle feeding according to claim 1 fills stirring means, it is characterised in that：It is being up to preset
Urea liquid after concentration is filtered before discharging agitator tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197496.1A CN106512771A (en) | 2016-12-21 | 2016-12-21 | Automotive urea loading, filling and stirring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197496.1A CN106512771A (en) | 2016-12-21 | 2016-12-21 | Automotive urea loading, filling and stirring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106512771A true CN106512771A (en) | 2017-03-22 |
Family
ID=58340423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611197496.1A Pending CN106512771A (en) | 2016-12-21 | 2016-12-21 | Automotive urea loading, filling and stirring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106512771A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09228231A (en) * | 1996-02-27 | 1997-09-02 | Hisaka Works Ltd | Dissolution and supply of powdery agent and apparatus used therefor |
| JP2005324134A (en) * | 2004-05-14 | 2005-11-24 | Altia Hashimoto Co Ltd | Apparatus for preparation of aqueous solution of reducing agent for exhaust gas purification |
| CN202237907U (en) * | 2011-06-30 | 2012-05-30 | 中联重科股份有限公司 | Stirring device for alkali liquor tank of percolate treatment vehicle, and percolate treatment vehicle thereof |
| CN203899478U (en) * | 2014-06-17 | 2014-10-29 | 中国矿业大学 | Rotational flow type efficient dispensing device for flotation |
| CN104437148A (en) * | 2014-12-23 | 2015-03-25 | 天津辰鑫石化工程设计有限公司 | Preparation method and preparation equipment of Adblue solution |
| CN105056778A (en) * | 2015-09-22 | 2015-11-18 | 珠海格力电器股份有限公司 | Automobile urea solution production device and method |
| CN105417198A (en) * | 2015-12-11 | 2016-03-23 | 珠海格力智能装备有限公司 | Automotive urea solution production equipment |
| CN205294296U (en) * | 2015-12-07 | 2016-06-08 | 珠海格力智能装备有限公司 | Automobile -used urea machine feed mechanism |
| TW201634445A (en) * | 2015-03-24 | 2016-10-01 | Novax Material & Technology Inc | Method of manufacturing urea solution for high efficiency smart diesel vehicles |
-
2016
- 2016-12-21 CN CN201611197496.1A patent/CN106512771A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09228231A (en) * | 1996-02-27 | 1997-09-02 | Hisaka Works Ltd | Dissolution and supply of powdery agent and apparatus used therefor |
| JP2005324134A (en) * | 2004-05-14 | 2005-11-24 | Altia Hashimoto Co Ltd | Apparatus for preparation of aqueous solution of reducing agent for exhaust gas purification |
| CN202237907U (en) * | 2011-06-30 | 2012-05-30 | 中联重科股份有限公司 | Stirring device for alkali liquor tank of percolate treatment vehicle, and percolate treatment vehicle thereof |
| CN203899478U (en) * | 2014-06-17 | 2014-10-29 | 中国矿业大学 | Rotational flow type efficient dispensing device for flotation |
| CN104437148A (en) * | 2014-12-23 | 2015-03-25 | 天津辰鑫石化工程设计有限公司 | Preparation method and preparation equipment of Adblue solution |
| TW201634445A (en) * | 2015-03-24 | 2016-10-01 | Novax Material & Technology Inc | Method of manufacturing urea solution for high efficiency smart diesel vehicles |
| CN105056778A (en) * | 2015-09-22 | 2015-11-18 | 珠海格力电器股份有限公司 | Automobile urea solution production device and method |
| CN205294296U (en) * | 2015-12-07 | 2016-06-08 | 珠海格力智能装备有限公司 | Automobile -used urea machine feed mechanism |
| CN105417198A (en) * | 2015-12-11 | 2016-03-23 | 珠海格力智能装备有限公司 | Automotive urea solution production equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |