CN202725053U - Coal powder automatic liquid distribution system on molded coal assembly line - Google Patents
Coal powder automatic liquid distribution system on molded coal assembly line Download PDFInfo
- Publication number
- CN202725053U CN202725053U CN 201220314435 CN201220314435U CN202725053U CN 202725053 U CN202725053 U CN 202725053U CN 201220314435 CN201220314435 CN 201220314435 CN 201220314435 U CN201220314435 U CN 201220314435U CN 202725053 U CN202725053 U CN 202725053U
- Authority
- CN
- China
- Prior art keywords
- automatic liquid
- spray gun
- liquid mixing
- fine coal
- coal
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The utility model provides a coal powder automatic liquid distribution system on a molded coal assembly line. The coal powder automatic liquid distribution system comprises a control part and an actuating part; the control part comprises a signal processing and controlling device connected with a coal quantity detection device; the actuating part comprises a spray gun; the spray gun is provided with a liquid inlet connected with a binding agent solution tank; a spraying pipe of the spray gun is connected with a gas source through an electromagnetic pulse valve; and the control end of the electromagnetic pulse valve is connected with a pulse output end of the signal processing and controlling device. The liquid inlet of the spray gun is connected with an outlet of the binding agent solution tank through a pneumatic (or electric) ball valve; the pneumatic (or electric) ball valve is connected with the gas source through an inversing valve; and the control end of the inversing valve is connected with the output end of the signal processing and controlling device. The coal powder automatic liquid distribution system is an electronic belt scale or a coal layer thickness detector. The pulse frequency output by the pulse output end of the coal powder automatic liquid distribution system is 4-15 times/minute and a pulse width is 0.8-3 seconds/time. The gas source is a gasbag; and the pressure of the gas source is 0.3-2.0 MPa.
Description
Technical field
The utility model relates to the fine coal automatic liquid mixing system on a kind of briquette production line, it is mainly used in chemical industry, finished product binder solution (sodium humate solution) mixed by a certain percentage in fine coal dosing operation be assigned in the fine coal, stir evenly and deliver to down operation through biaxial rneader again.Guarantee uniformity and the stability of fine coal dosing amount by automatic control mode, to realize the purpose of stabilized product quality and saving human resources.
Background technology
The fine coal dosing workshop section of most chemical industry moulded coal industry is artificial proportioning, by aperture size and the ball valve switch frequency of the large latus rectum ball valve of manual operation, adjustment ball valve, binder solution is carried out proportioning by a certain percentage.
This binder solution is sodium humate solution, solution viscosity large (the dynamic viscosity scope is 300 ~ 400Pa.S(60 ℃)), denseer thick, contain solid particle in the solution many, particle is large, and (be 2 ~ 8mm) to the maximum, its character is the weakly alkaline solution of high temperature, easily solidifies when low temperature or normal temperature.
In view of the special physical and chemical performance that this solution has, in addition also unstable with the feed coal coal-supplying amount of its proportioning, be difficult to automated production.For many years, for this operating mode, once adopted the various ways such as butterfly valve, screw pump and plunger displacement pump to repay examination in the industry, attempt to realize the purpose of automated production, but all owing to obstruction, wearing and tearing etc. reason, can't realize the target of operation steady in a long-term, be difficult to industry acceptance and popularization.
There is following shortcoming in traditional manually dosing mode:
1, this dosing method needs manually repeatedly to move ball valve and operates, if do not move for a long time ball valve, then the easy sticking stifled ball valve of this binder solution causes the dosing amount to reduce gradually, do not reach the dosing ratio of requirement, thereby this dosing method labor strength is large.
2, dosing ratio is carried out proportioning for the workman by Individual Consciousness and experience, and the dosing ratio is affected seriously by individual factor, and quality is unstable;
3, owing to adopting the manually-operated dosing, the whole piece dosing production line amount of labour used is large, and the production management difficulty is large, is difficult to realize automated production.
Summary of the invention
The purpose of this utility model is the fine coal automatic liquid mixing system on a kind of briquette production line of design, replace Artificial Control by automatic control, realize science and the reasonability of dosing, and effectively save human resources, realize the automated machine production of dosing workshop section between the chemical industry type coal car, enhance productivity, improve workman's working environment.
The technical solution of the utility model: the utility model is that the fine coal automatic liquid mixing system on a kind of briquette production line comprises control section, operating part, and its control section comprises the coal amount detecting device, and the signal that is connected with the coal amount detecting device is processed and control device; Operating part comprises spray gun, and spray gun has and the tank connected inlet of binder solution, and the injection tube of spray gun is connected with source of the gas by electromagnetic impulse valve, and the control end of electromagnetic impulse valve processes with signal and the pulse output end of control device is connected.
The inlet of described spray gun is connected with the outlet of binder solution tank by pneumatic (or electronic) ball valve, and pneumatic (or electronic) ball valve is connected with source of the gas by reversal valve, and the control end of reversal valve processes with signal and the output of control device is connected.
Described coal amount detecting device is belted electronic balance or coal seam thickness detector.
The arteries and veins frequency of the pulse output end output of described signal processing and control device is 6 beats/mins～15 beats/mins, and pulse width is 0.8 second/time～3 seconds/time.
Described source of the gas is air bag, and the pressure of source of the gas is 0.3～2.0MPa.
The latus rectum of described pneumatic ball valve is φ 50～φ 100 mm.
The inlet of described spray gun and the angle β between the nozzle=90 ~ 150 degree.
Described spray gun comprises injection tube, solution cavity, inlet and nozzle, the diameter phi A=40 of inlet 2.5-3～80mm, the diameter phi B=14 of nozzle～30mm, the diameter phi C=8 of injection tube～14mm.
The centre that the ejiction opening of the injection tube of described spray gun is positioned at solution cavity is lower than the axle center H=8～12mm of inlet, and towards the Way out of nozzle.
The arteries and veins frequency of the pulse output end output of described signal processing and control device is 10 beats/mins～12 beats/mins, and pulse width is 2 seconds/time～3 seconds/time.
The beneficial effects of the utility model: the utility model utilizes the coal amount detecting device that the coal amount that adds biaxial rneader is carried out on-line real time monitoring, and signal is transferred to signal is processed and control device, control the opening time of pneumatic (or electronic) ball valve and the winding-up frequency of shut-in time and spray gun, thereby change the flow of binder solution, the purpose of mixing in the actual demand ratio to reach binder solution and fine coal.The utility model has realized that binder solution and fine coal can be in the uniform proportionings of actual demand ratio, and solve simultaneously because viscosity is large, solid particle is many etc. caused the difficult problem of adhesion, wearing and tearing and obstruction;
1. realize uniformity and the stability of dosing, improved the dosing quality.
2. realized the automatic control of dosing production line, labor savings has improved automatization level;
3. owing to having realized automatic control, allow the workman away from abominable operating mode, improved workman's working environment.
The utility model also can be used for the occasion of any flow-control of the larger or dense thick liquid of viscosity.
Description of drawings
Fig. 1 is system architecture principle schematic of the present utility model.
Fig. 2 is system of the present utility model the second example structure principle schematic.
Fig. 3 is the structural representation of dosing spray gun.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
Fig. 1 is system architecture principle schematic of the present utility model: the fine coal automatic liquid mixing system on a kind of briquette production line of the present utility model comprises control section 1, operating part 2, its control section 1 comprises coal amount detecting device 1.3, processes and control device 1.1 by the signal that wire 1.2 is connected with coal amount detecting device 1.3; Operating part 2 comprises spray gun 2.5, spray gun 2.5 has and the tank connected inlet of binder solution, the injection tube of spray gun 2.5 is connected with source of the gas by electromagnetic impulse valve 2.4, and the control end of electromagnetic impulse valve 2.4 processes with signal and the pulse output end of control device 1.1 is connected.
The inlet of described spray gun 2.5 is connected with the outlet of binder solution tank by pneumatic (or electronic) ball valve 3.2, pneumatic (or electronic) ball valve 3.2 is connected with source of the gas by reversal valve 2.2, and the control end of reversal valve 2.2 processes with signal and the output of control device 1.1 is connected.Be provided with between pneumatic ball valve 3.2 and the binder solution tank when ball valve 3.1 is used for this turnaround of unit and use.
Described coal amount detecting device is belted electronic balance or coal seam thickness detector.The preferred electron belt conveyer scale, advantage is: situation of change and the output of on-line real time monitoring fine coal can be for the data of processing accurately and reliably for belted electronic balance.
The arteries and veins frequency of the pulse output end output of described signal processing and control device is 6 beats/mins～15 beats/mins, and pulse width is 0.8 second/time～3 seconds/time.
Described source of the gas is air bag 2.3, and the pressure of source of the gas is 0.3～2.0MPa.Preferred 0.8MPa advantage is: in the situation that the sustainable stable operation of assurance system, air consumption is lower and pressure is more stable;
The latus rectum of described pneumatic ball valve 3.2 is φ 50～φ 100 mm.Preferred φ 50 advantages are: pneumatic (or electronic) executing agency of this type ball valve is less, and cost is low, and binder solution can and not result in blockage from circulation in the ball valve of this latus rectum.
Described spray gun 2.5 comprises injection tube 2.5-1, solution cavity 2.5-2, inlet 2.5-3 and nozzle 2.5-4, the diameter phi A=40 of inlet 2.5-3～80mm, the diameter phi B=14 of nozzle 2.5-4～30mm, the diameter phi C=8 of injection tube 2.5-1～14mm.
The centre that the ejiction opening of the injection tube 2.5-1 of described spray gun 2.5 is positioned at solution cavity 2.5-2 is lower than axle center H=8～12mm of inlet 2.5-3, and towards the Way out of nozzle 2.5-4.
10 beats/mins～12 beats/mins of the arteries and veins calibrations of the pulse output end output of described signal processing and control device, preferred 2 seconds/time～3 seconds/time of pulse width.Advantage is: this pulse frequency and pulse width can adapt to dynamic viscosity at the binder solution (sodium humate solution) of 300 ~ 400Pa.S.
Fig. 2 is system of the present utility model the second example structure principle schematic:
The inlet of described spray gun 2.5 is connected with the outlet of binder solution tank by electrical ball valve 3.4, and the control end of electrical ball valve 3.4 processes with signal and the output of control device 1.1 is connected.
Described coal amount detecting device is belted electronic balance or coal seam thickness detector.
Described source of the gas is air bag 2.3, and the pressure of source of the gas is 0.3～2.0MPa.The import of the preferred 0.8MPa check valve 2.1 of pressure connects source of the gas, and outlet is connected to air bag 2.3.
The latus rectum of described pneumatic ball valve 3.2 is φ 50～φ 100 mm.
Fig. 3 is the structural representation of spray gun: dosing spray gun of the present utility model comprises injection tube 2.5-1, solution cavity 2.5-2, inlet 2.5-3 and nozzle 2.5-4, the diameter phi A=40 of inlet 2.5-3～80mm, the diameter phi B=14 of nozzle 2.5-4～35mm, the diameter phi C=8 of injection tube 2.5-1～16mm.
Preferably, the diameter phi A=50mm of inlet, the diameter phi C=10mm of the diameter phi B=20mm injection tube 2.5-1 of nozzle 2.5-4.Advantage is: inlet can ball valve be the shortest is connected with pneumatic (or electronic), and temperature drop is minimum in the pipeline, is difficult for stopping up; Simultaneously, this diameter nozzle and injection tube can be in the situation that without stopping up, control the binder solution flow preferably.
The centre that the ejiction opening of described injection tube 2.5-1 is positioned at solution cavity 2.5-2 is lower than the shaft core position of inlet 2.5-3 and towards the Way out of nozzle 2.5-4.The angle β of the direction of inlet 2.5-3 and nozzle 2.5-4=90 ~ 150 degree.Advantage is: in this angular range, binder solution is difficult for depositing in spray gun, and injection tube and nozzle are difficult for stopping up.
Operation principle of the present utility model: before the work, input binding agent model is set injection pulse width (or frequency).
The course of work is: the action that signal is processed and control device 1.1 is exported control signals control reversal valves 2.2, reversal valve 2.2 is by the opening and closing of pipeline control pneumatic ball valve 3.2.After system starts, coal amount detecting device 1.2 is transferred to signal processing and control device 1.1 with the coal amount signal of Real-Time Monitoring, signal processing and control device 1.1 calculate the adding binder amount according to the monitor value of coal amount, and be converted into the frequency (or pulsewidth) of spray gun 2.5, simultaneously, the operating frequency (or pulsewidth) of the pulse signal control electromagnetic impulse valve 2.4 of pulse output end output, thereby the winding-up of control spray gun 2.5, compressed air is controlled its switching from 2.3 air bags through 2.4 electromagnetic impulse valves, again by pipeline flow-direction spray gun 2.5; In spray gun 2.5, compressed air sprays at a high speed from injection tube 2.5-1, air-flow moment is flow through from nozzle 2.5-4, because the excessively narrow passage of high velocity air transient flow (nozzle 2.5-4) produces certain gravitation to connected inlet 2.5-3, thereby with binder solution from ball valve 3.1, pneumatic ball valve 3.2, be attracted in the pipe reducer 3.3 in the spray gun 2.5, binder solution is accelerated by air-flow spray gun 2.5 is interior, mix with compressed air, from nozzle 2.5-4, spray simultaneously, flow to biaxial rneader, binder solution mixes in the ratio of control with fine coal in biaxial rneader and stirs, and reaches the purpose of automatic liquid matching.
In the course of work, signal is processed and the coal amount signal of control device 1.1 Real-Time Monitorings, and constantly revises the pulse frequency (or pulsewidth) of output according to the coal amount signal of monitoring, reaches the ratio requirement of the design of coal amount and binder amount.
Claims (10)
1. the fine coal automatic liquid mixing system on the briquette production line, comprise control section (1), operating part (2), it is characterized in that: control section (1) comprises coal amount detecting device (1.3), and the signal that is connected with coal amount detecting device (1.3) is processed and control device (1.1); Operating part (2) comprises spray gun (2.5), spray gun (2.5) has and the tank connected inlet of binder solution, the injection tube of spray gun (2.5) is connected with source of the gas by electromagnetic impulse valve (2.4), and the control end of electromagnetic impulse valve (2.4) processes with signal and the pulse output end of control device (1.1) is connected.
2. the fine coal automatic liquid mixing system on the briquette production line according to claim 1, it is characterized in that: the inlet of spray gun (2.5) is connected with the outlet of binder solution tank by pneumatic or electrical ball valve (3.2), pneumatic or electrical ball valve (3.2) is connected with source of the gas by reversal valve (2.2), and the control end of reversal valve (2.2) processes with signal and the output of control device (1.1) is connected.
3. the fine coal automatic liquid mixing system on the briquette production line according to claim 1 and 2, it is characterized in that: the coal amount detecting device is belted electronic balance.
4. according to the fine coal automatic liquid mixing system on claims 1 or the 2 described briquette production lines, it is characterized in that: the arteries and veins frequency of the pulse output end output of signal processing and control device is 6 beats/mins～15 beats/mins, and pulse width is 0.8 second/time～3 seconds/time.
5. the fine coal automatic liquid mixing system on the briquette production line according to claim 1 and 2, it is characterized in that: source of the gas is air bag (2.3), and the pressure of source of the gas is 0.3～2.0MPa.
6. according to claims 2 described fine coal automatic liquid mixing systems, it is characterized in that: the latus rectum of pneumatic ball valve (3.2) is φ 50～φ 100 mm.
7. the fine coal automatic liquid mixing system on the briquette production line according to claim 1 and 2, it is characterized in that: spray gun (2.5) comprises injection tube (2.5-1), solution cavity (2.5-2), inlet (2.5-3) and nozzle (2.5-4), the diameter phi A=40 of inlet (2.5-3)～80mm, the diameter phi B=14 of nozzle (2.5-4)～30mm, the diameter phi C=8 of injection tube (2.5-1)～14mm.
8. the fine coal automatic liquid mixing system on the briquette production line according to claim 7, it is characterized in that: the centre that the ejiction opening of the injection tube (2.5-1) of spray gun (2.5) is positioned at solution cavity (2.5-2) is lower than the axle center H=8～12mm of inlet (2.5-3), and towards the Way out of nozzle (2.5-4).
9. the fine coal automatic liquid mixing system on the briquette production line according to claim 7 is characterized in that: the inlet (2.5-3) of spray gun (2.5) and the angle β between the nozzle (2.5-4)=90 ~ 150 degree.
10. according to the fine coal automatic liquid mixing system on claims 1 or the 2 described briquette production lines, it is characterized in that: the arteries and veins frequency of the pulse output end output of signal processing and control device is 10 beats/mins～12 beats/mins, and pulse width is 2 seconds/time～3 seconds/time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314435 CN202725053U (en) | 2012-07-02 | 2012-07-02 | Coal powder automatic liquid distribution system on molded coal assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314435 CN202725053U (en) | 2012-07-02 | 2012-07-02 | Coal powder automatic liquid distribution system on molded coal assembly line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202725053U true CN202725053U (en) | 2013-02-13 |
Family
ID=47650805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220314435 Expired - Fee Related CN202725053U (en) | 2012-07-02 | 2012-07-02 | Coal powder automatic liquid distribution system on molded coal assembly line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202725053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743990A (en) * | 2012-07-02 | 2012-10-24 | 湖北三盟机械制造有限公司 | Automatic dosing system for pulverized coal on molded coal production line |
-
2012
- 2012-07-02 CN CN 201220314435 patent/CN202725053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102743990A (en) * | 2012-07-02 | 2012-10-24 | 湖北三盟机械制造有限公司 | Automatic dosing system for pulverized coal on molded coal production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105170366A (en) | Fluid closed loop flow control system | |
| CN202957322U (en) | Battery liquid injection system | |
| CN202725053U (en) | Coal powder automatic liquid distribution system on molded coal assembly line | |
| CN104839880A (en) | Perfuming instantaneous precision control device and method | |
| CN102743990A (en) | Automatic dosing system for pulverized coal on molded coal production line | |
| CN204733909U (en) | Controlling means of instantaneous precision of perfuming | |
| CN110757657A (en) | Automatic proportioning and adding system for liquid accelerator | |
| CN204228243U (en) | A kind of online feed liquid flowmeter supervising device | |
| CN102880199A (en) | Full-automatic PH (potential of hydrogen) value detecting and monitoring and automatic chemical replenishing system for metal spraying | |
| CN113529847A (en) | Constant-pressure water supply device and constant-pressure water supply method for concrete dry mixing stirring station | |
| CN204888693U (en) | Mix quick -witted molasses addition system | |
| CN202539008U (en) | Anti-precipitation feeding system for spraying robot | |
| CN212472891U (en) | Variable speed glue supply mechanism for pencil core plate | |
| CN109173917A (en) | A kind of high polymer concentrated solution Quick uniform dilution device | |
| CN103821148B (en) | Closed continuous quadratic adds water wet shotcreting system | |
| CN209483380U (en) | A kind of spraying equipment for the addition of two ingredient liquids accelerator | |
| CN208912454U (en) | A kind of coating of lithium-ion battery feeding system | |
| CN209240290U (en) | A kind of glue class Chinese medicine auxiliary material addition instrument | |
| CN209320017U (en) | A kind of concrete admixture automatic adding device applied on tank car | |
| CN209810022U (en) | Ammonia distribution device and generator set with same | |
| CN208975589U (en) | Additive automatic metering system | |
| CN215594218U (en) | Constant-pressure water supply device of concrete dry mixing stirring station | |
| CN103541401B (en) | Water supply control system, method and device for mixing station and mixing station | |
| CN108211974A (en) | A kind of accurate proportioning and metering air-transport system | |
| CN108554306A (en) | A kind of dual-component coating automatic mixing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |