CN108970461B - Agitating unit and have its urea machine - Google Patents

Agitating unit and have its urea machine Download PDF

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Publication number
CN108970461B
CN108970461B CN201811043759.2A CN201811043759A CN108970461B CN 108970461 B CN108970461 B CN 108970461B CN 201811043759 A CN201811043759 A CN 201811043759A CN 108970461 B CN108970461 B CN 108970461B
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China
Prior art keywords
solution
concentration
concentration detection
pipeline
detection pipeline
Prior art date
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Active
Application number
CN201811043759.2A
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Chinese (zh)
Other versions
CN108970461A (en
Inventor
朱东和
黄家峰
赵志伟
杨春雷
曾威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Intelligent Equipment Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201811043759.2A priority Critical patent/CN108970461B/en
Publication of CN108970461A publication Critical patent/CN108970461A/en
Priority to PCT/CN2018/120934 priority patent/WO2020048039A1/en
Application granted granted Critical
Publication of CN108970461B publication Critical patent/CN108970461B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/21Measuring
    • B01F35/2132Concentration, pH, pOH, p(ION) or oxygen-demand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/22Control or regulation
    • B01F35/221Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32Driving arrangements
    • B01F35/32005Type of drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/718Feed mechanisms characterised by the means for feeding the components to the mixer using vacuum, under pressure in a closed receptacle or circuit system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75Discharge mechanisms
    • B01F35/754Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7547Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/48Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Accessories For Mixers (AREA)

Abstract

The invention provides a stirring device and a urea machine with the same, wherein the stirring device comprises: a stirring tank having a solution outlet port and a solution recovery port; the concentration detection pipeline, the one end and the solution exit portion of concentration detection pipeline are connected, and the other end and the solution recovery mouth of concentration detection pipeline are connected to carry out concentration detection with the solution concentration who judges to be located the agitator tank through the solution to being located in the concentration detection pipeline, and will be located the solution of concentration detection pipeline and send back in the agitator tank through the solution recovery mouth. The stirring device solves the problem that the concentration of the urea solution in the prior art is difficult to control.

Description

Agitating unit and have its urea machine
Technical Field
The invention relates to the field of urea solution production, in particular to a stirring device and a urea machine with the same.
Background
At present, the urea solution for vehicles is almost prepared by large factories and transported to the market in the market, so that the transportation cost, the storage cost and other resource wastes are high.
Because the quality of the urea solution is determined by the precision of the concentration, the traditional concentration detection method is to carry out concentration detection after the solution is uniformly mixed, once the concentration has deviation, the solution needs to be mixed again and then is detected, in the process, the time is consumed, and the concentration cannot be controlled with higher precision.
Disclosure of Invention
The invention mainly aims to provide a stirring device and a urea machine with the same, and aims to solve the problem that the concentration of a urea solution is difficult to control in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a stirring apparatus comprising: a stirring tank having a solution outlet port and a solution recovery port; the concentration detection pipeline, the one end and the solution exit portion of concentration detection pipeline are connected, and the other end and the solution recovery mouth of concentration detection pipeline are connected to carry out concentration detection with the solution concentration who judges to be located the agitator tank through the solution to being located in the concentration detection pipeline, and will be located the solution of concentration detection pipeline and send back in the agitator tank through the solution recovery mouth.
Further, the stirring device further comprises: and the concentration meter is arranged on the concentration detection pipeline to detect the concentration of the solution in the concentration detection pipeline.
Further, the stirring device further comprises: and the driving pump is arranged on the concentration detection pipeline and is used for driving the solution flowing out of the solution outlet part to flow into the stirring tank from the solution recovery port after passing through the concentration detection pipeline.
Further, the stirring device further comprises: and the first on-off control valve is arranged on the concentration detection pipeline and positioned between the driving pump and the solution outlet part so as to control the on-off of the concentration detection pipeline.
Further, the stirring device further comprises: and the finished product output pipeline is connected with the concentration detection pipeline so as to enable the solution in the stirring tank to flow out through the concentration detection pipeline and the finished product output pipeline when the concentration in the stirring tank meets the requirement.
Further, the stirring device further comprises: and the second on-off control valve is arranged on the finished product output pipeline to control the on-off of the finished product output pipeline.
Further, the stirring device further comprises: the concentration meter is arranged on the concentration detection pipeline and is used for detecting the concentration of the solution in the concentration detection pipeline; the driving pump is arranged on the concentration detection pipeline, the concentration detection pipeline is provided with a pipeline section located between the driving pump and the concentration meter, and the finished product output pipeline is connected with the pipeline section.
Further, the stirring device further comprises: and the third breaking control valve is arranged on the concentration detection pipeline, a joint is arranged between the concentration detection pipeline and the finished product output pipeline, and the third breaking control valve is positioned between the joint and the concentration meter.
Further, the stirring device further comprises: and the blow-down valve is arranged on the solution outlet part and used for carrying out blow-down treatment on the stirring tank.
Further, the stirring device further comprises: and the material suction tank is arranged on the stirring tank so that the material suction pipe is communicated with the cavity of the stirring tank through the material suction tank.
According to another aspect of the invention, a urea machine is provided, which comprises a stirring device, wherein the stirring device is the stirring device.
The stirring device comprises a stirring tank and a concentration detection pipeline, wherein the stirring tank is provided with a solution outlet part and a solution recovery port, one end of the concentration detection pipeline is connected with the solution outlet part, and the other end of the concentration detection pipeline is connected with the solution recovery port. Like this, alright with solution concentration detection in order to judge the solution concentration that is located the agitator tank through the solution that is located the concentration detection pipeline to can send back the solution that is located the concentration detection pipeline through solution recovery mouth in the agitator tank, and then realize the solution circulation in the agitator tank, and realize the concentration real-time detection to the solution in the agitator tank, solve the problem that the concentration of the urea solution among the prior art is difficult to control.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of a stirring device according to the invention.
Wherein the figures include the following reference numerals:
10. a stirring tank; 11. a solution outlet; 20. a concentration detection pipeline; 30. a concentration meter; 40. driving the pump; 50. a first on-off control valve; 60. a finished product output pipeline; 70. a second on-off control valve; 80. a third shutoff control valve; 90. a blowoff valve; 100. a material sucking tank; 110. a material suction pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present invention provides a stirring device, please refer to fig. 1, the stirring device includes: a stirring tank 10, the stirring tank 10 having a solution outlet port 11 and a solution recovery port; and one end of the concentration detection pipeline 20 is connected with the solution outlet part 11, and the other end of the concentration detection pipeline 20 is connected with the solution recovery port, so that the concentration of the solution in the stirring tank 10 can be judged by performing concentration detection on the solution in the concentration detection pipeline 20, and the solution in the concentration detection pipeline 20 can be sent back to the stirring tank 10 through the solution recovery port.
The stirring device of the invention comprises a stirring tank 10 and a concentration detection pipeline 20, wherein the stirring tank 10 is provided with a solution outlet part 11 and a solution recovery port, one end of the concentration detection pipeline 20 is connected with the solution outlet part 11, and the other end of the concentration detection pipeline 20 is connected with the solution recovery port. Like this, alright with solution through being located concentration detection in concentration detection pipeline 20 carries out concentration detection in order to judge the solution concentration that is located agitator tank 10 to can send the solution that is located concentration detection pipeline 20 back to through solution recovery mouth in agitator tank 10, and then realize the solution circulation in agitator tank 10, and realize the concentration real-time detection to the solution in agitator tank 10, solve the problem that the concentration of the urea solution among the prior art is difficult to control.
In order to realize the concentration detection of the solution, as shown in fig. 1, the stirring device further includes: a concentration meter 30, the concentration meter 30 being mounted on the concentration detection line 20 to detect the concentration of the solution located in the concentration detection line 20.
In this embodiment, the stirring device further includes: and a driving pump 40, wherein the driving pump 40 is installed on the concentration detection pipeline 20 to drive the solution flowing out of the solution outlet 11 to flow into the stirring tank 10 from the solution recovery port after passing through the concentration detection pipeline 20. By providing the drive pump 40, the concentration flow in the concentration detection line 20 can be driven relatively easily.
In this embodiment, the stirring device further includes: and a first on-off control valve 50, the first on-off control valve 50 being provided on the concentration detection line 20 between the drive pump 40 and the solution outlet port 11 to control on-off of the concentration detection line 20. By providing the first on-off control valve 50, the on-off of the solution in the stirring tank 10 and the concentration detection pipeline 20 can be controlled relatively conveniently.
When the concentration of the solution in the agitation tank 10 reaches a predetermined value, the agitation apparatus further includes: and the finished product output pipeline 60, the finished product output pipeline 60 and the concentration detection pipeline 20 are connected, so that when the concentration in the stirring tank 10 meets the requirement, the solution in the stirring tank 10 flows out through the concentration detection pipeline 20 and the finished product output pipeline 60. In this way, production of a solution meeting the concentration requirements within the stirred tank 10 can be achieved.
In this embodiment, the stirring device further includes: and a second on-off control valve 70, wherein the second on-off control valve 70 is arranged on the finished product output pipeline 60 to control the on-off of the finished product output pipeline 60. By arranging the second on-off control valve 70, the on-off of the finished product output pipeline 60 can be conveniently controlled, and further the switching between the output of the solution finished product and the concentration detection is realized.
In this embodiment, as shown in fig. 1, the stirring device further includes: a concentration meter 30 provided on the concentration detection line 20 to detect the concentration of the solution located in the concentration detection line 20; and the driving pump 40 is arranged on the concentration detection pipeline 20, the concentration detection pipeline 20 is provided with a pipe section between the driving pump 40 and the concentration meter 30, and the finished product output pipeline 60 is connected with the pipe section. By providing the drive pump 40, the solution in the stirring tank 10 can be guided into the concentration detection line 20 and the finished product discharge line 60 relatively easily.
In this embodiment, the stirring device further includes: and the third break-off control valve 80 is arranged on the concentration detection pipeline 20, a joint is arranged between the concentration detection pipeline 20 and the finished product output pipeline 60, and the third break-off control valve 80 is positioned between the joint and the concentration meter 30. By providing the third on-off control valve 80, the on-off of the concentration detection pipeline 20 can be realized more conveniently.
When the concentration is detected, the first on-off control valve 50 and the third on-off control valve 80 are opened, and the second on-off control valve 70 is closed. When the solution product is discharged, the first on-off control valve 50 and the second on-off control valve 70 are opened, and the third on-off control valve 80 is closed.
In this embodiment, the stirring device further includes: a sewage valve 90, a sewage valve 90 is installed on the solution outlet part 11 to perform sewage treatment on the agitation tank 10 through the sewage valve 90. By arranging the blow-down valve 90, blow-down treatment of the agitator tank 10 can be relatively conveniently achieved.
In this embodiment, the stirring device further includes: the material suction tank 100, the material suction tank 100 is installed on the stirring tank 10, so that the material suction pipe 110 is communicated with the cavity of the stirring tank 10 through the material suction tank 100.
Preferably, the suction canister 100 is a vacuum suction canister. The vacuum material sucking and filling device is used for sucking out filling materials between carbon blocks and between the carbon blocks and the wall of the material box when a cathode or a graphite electrode is roasted. The device consists of a telescopic material suction pipe, a material suction pipe rotary support, a material storage tank and a vacuum suction pipe.
The invention also provides a urea machine which comprises the stirring device.
The invention designs a concentration online detection device for a single-machine vehicle urea preparation machine, which can perform online detection in the mixing process, and meanwhile, if the detected concentration does not meet the requirement, a PLC can add pure water or urea particles in time, and the mixing process of the solution is completed at one time after the concentration reaches the qualified concentration, so that the time consumption of the process is greatly reduced compared with the traditional process, and the concentration precision of the finished product is higher. A gasoline station integrated stand-alone vehicle urea preparation machine would be the direction of future vehicle urea preparation machines.
The invention is characterized in that:
1. the average time required by the production solution is reduced through online detection in the production process, and the concentration precision is improved;
2. the detection precision is improved through the circulation detection, and the misdetection caused by uneven mixing is avoided.
The invention solves the following technical problems:
1. the function of monitoring the concentration of the urea solution for the vehicle on line in the preparation process is realized;
2. circulation detection guarantees that the detection data are the whole concentration data of the solution, and the problem that the concentration of the solution is inaccurate due to uneven mixing is avoided.
The technical effects of this application: the production time of the urea solution for the vehicle is reduced, and the concentration precision of the urea solution for the vehicle is improved.
The invention designs a detection device and a detection method for real-time online monitoring of a vehicle urea solution, and the device mainly comprises a concentration meter, a detection valve (a third on-off control valve 80), a finished product valve (a second on-off control valve 70), a water pump (a driving pump 40), an overhaul valve (a first on-off control valve 50), a blow-down valve 90, a main stirring tank and the like.
The concentration meter is a core component and is responsible for the detection work of the solution, the detection valve, the finished product valve, the maintenance hand valve and the blowdown valve are used for controlling the direction of the pipeline fluid, and the water pump provides power for circular detection and finished product liquid outlet.
The specific implementation process is as follows:
firstly, feeding pure water and urea particles by a stirring tank, starting rotation of a stirring motor, calculating according to historical theoretical values, starting work of a water pump when stirring is finished by 80% of time, simultaneously opening a detection valve, closing a finished product valve, and normally opening an inspection hand valve;
the urea solution flows in the direction of an arrow in figure 1 through a pipeline, a concentration meter starts to detect the concentration, and when the concentration detected by the concentration meter is stable and meets the specified concentration, the solution is qualified, and the solution production is finished; when the concentration detected by the concentration meter is stable and is less than or greater than the specified concentration, the PLC adds the calculated minimum compensation urea amount and the pure water amount to the stirring tank, and the concentration meter judges again and finishes the solution production when the concentration is adjusted to meet the specified concentration.
At the moment, the detection valve is closed, the finished product valve is opened, the qualified solution enters the finished product box through the finished product valve, and after the qualified solution is emptied, the finished product valve is closed, and a cycle is started again.
The maintenance hand valve has the following functions: if the water pump is broken, the hand valve can be closed, and then the water pump is taken out for maintenance. The blowdown valve has the functions of: when the stirring tank is cleaned regularly, sewage discharge operation can be carried out, and at the moment, a water pump is not started to avoid a sewage pollution rear-section pipeline.
For the detection of the concentration, it may also be: can adopt another section concentration detector, arrange in the agitator tank, carry out real-time detection, but have the solution and mix the mistake that uneven and lead to and examine the risk, the maintainability is relatively poor simultaneously.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the stirring device of the invention comprises a stirring tank 10 and a concentration detection pipeline 20, wherein the stirring tank 10 is provided with a solution outlet part 11 and a solution recovery port, one end of the concentration detection pipeline 20 is connected with the solution outlet part 11, and the other end of the concentration detection pipeline 20 is connected with the solution recovery port. Like this, alright with solution through being located concentration detection in concentration detection pipeline 20 carries out concentration detection in order to judge the solution concentration that is located agitator tank 10 to can send the solution that is located concentration detection pipeline 20 back to through solution recovery mouth in agitator tank 10, and then realize the solution circulation in agitator tank 10, and realize the concentration real-time detection to the solution in agitator tank 10, solve the problem that the concentration of the urea solution among the prior art is difficult to control.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A stirring device, comprising:
a stirring tank (10), wherein the stirring tank (10) is provided with a solution outlet (11) and a solution recovery port;
a concentration detection pipeline (20), wherein one end of the concentration detection pipeline (20) is connected with the solution outlet part (11), and the other end of the concentration detection pipeline (20) is connected with the solution recovery port, so that the concentration of the solution in the stirring tank (10) can be judged by performing concentration detection on the solution in the concentration detection pipeline (20), and the solution in the concentration detection pipeline (20) is sent back to the stirring tank (10) through the solution recovery port;
the finished product output pipeline (60) is connected with the concentration detection pipeline (20), so that when the concentration in the stirring tank (10) meets the requirement, the solution in the stirring tank (10) flows out through the concentration detection pipeline (20) and the finished product output pipeline (60);
a concentration meter (30) provided on the concentration detection line (20) to detect the concentration of the solution in the concentration detection line (20);
the driving pump (40) is arranged on the concentration detection pipeline (20), the concentration detection pipeline (20) is provided with a pipe section between the driving pump (40) and the concentration meter (30), and the finished product output pipeline (60) is connected with the pipe section;
the third cut-off control valve (80), the third cut-off control valve (80) is arranged on the concentration detection pipeline (20), a connection part is arranged between the concentration detection pipeline (20) and the finished product output pipeline (60), and the third cut-off control valve (80) is positioned between the connection part and the concentration meter (30);
the material suction tank (100) is arranged on the stirring tank (10) so that the material suction pipe (110) is communicated with the cavity of the stirring tank (10) through the material suction tank (100);
and the second on-off control valve (70) is arranged on the finished product output pipeline (60) to control the on-off of the finished product output pipeline (60).
2. The blending device of claim 1, further comprising:
the first on-off control valve (50) is arranged on the concentration detection pipeline (20) and located between the driving pump (40) and the solution outlet part (11) to control the on-off of the concentration detection pipeline (20).
3. The blending device of claim 1, further comprising:
a blowdown valve (90), wherein the blowdown valve (90) is installed on the solution outlet part (11) so as to perform blowdown treatment on the stirring tank (10) through the blowdown valve (90).
4. A urea machine comprising a stirring device, characterized in that it is a stirring device according to any one of claims 1 to 3.
CN201811043759.2A 2018-09-07 2018-09-07 Agitating unit and have its urea machine Active CN108970461B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811043759.2A CN108970461B (en) 2018-09-07 2018-09-07 Agitating unit and have its urea machine
PCT/CN2018/120934 WO2020048039A1 (en) 2018-09-07 2018-12-13 Stirring device and urea machine having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811043759.2A CN108970461B (en) 2018-09-07 2018-09-07 Agitating unit and have its urea machine

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CN108970461B true CN108970461B (en) 2020-09-01

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WO (1) WO2020048039A1 (en)

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Publication number Priority date Publication date Assignee Title
CN108970461B (en) * 2018-09-07 2020-09-01 珠海格力智能装备有限公司 Agitating unit and have its urea machine
CN110496548A (en) * 2019-08-30 2019-11-26 珠海格力智能装备有限公司 Agitating device and urea machine
CN110652896A (en) * 2019-09-29 2020-01-07 珠海格力智能装备有限公司 Method and device for detecting solution concentration and automobile urea intelligent machine
CN111715126B (en) * 2020-06-19 2022-10-28 珠海格力智能装备有限公司 Control method and control device of preparation device of urea solution for vehicle and processor
CN112717816A (en) * 2020-12-30 2021-04-30 赵小林 Urea mixing arrangement with real-time detection function
CN112755884A (en) * 2021-01-15 2021-05-07 韩俊红 A even agitating unit for powder injection medicine detects
CN117486339B (en) * 2024-01-03 2024-03-26 天津智云水务科技有限公司 Dosing method and equipment for water treatment

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JP2014111229A (en) * 2012-12-05 2014-06-19 Hitachi Zosen Corp Powder dissolving device and powder dissolving method therefor
CN204261604U (en) * 2014-11-25 2015-04-15 洛阳人康食品有限公司 A kind of liquid formulation cylinder being provided with control device
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
CN107213824B (en) * 2017-06-23 2022-12-30 山东新蓝环保科技有限公司 Method and device for manufacturing urea solution for vehicle
CN108970461B (en) * 2018-09-07 2020-09-01 珠海格力智能装备有限公司 Agitating unit and have its urea machine
CN208911888U (en) * 2018-09-07 2019-05-31 珠海格力智能装备有限公司 Agitating device and urea machine with it

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WO2020048039A1 (en) 2020-03-12

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