CN209576590U - The preparation system of dense media mixed liquor - Google Patents
The preparation system of dense media mixed liquor Download PDFInfo
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- CN209576590U CN209576590U CN201920053659.1U CN201920053659U CN209576590U CN 209576590 U CN209576590 U CN 209576590U CN 201920053659 U CN201920053659 U CN 201920053659U CN 209576590 U CN209576590 U CN 209576590U
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Abstract
The utility model provides a kind of preparation system of dense media mixed liquor, comprising: mixing pit；Weigh assembly is transported, the side of the mixing pit is set to；The transport weigh assembly runs the weight value that dense media and the dense media that detects dispensing are launched to the mixing pit, the weight signal of the communication terminal output characterization weight value size in the case where set operational mode；Controller, the first communication terminal are connect with the communication terminal of the transport weigh assembly, and after receiving the weight signal, the first output end exports electronic valve drive signal corresponding with target ratio and the weight signal；Motor-driven valve, first end are connected to by pipeline with the mixing pit, and second end is connected to by pipeline with water source；Its control terminal is connect with the first output end of the controller, is opened or closed after receiving the electronic valve drive signal, is supplied water for the mixing pit.Manpower can be saved through the above scheme, improved efficiency.
Description
Technical field
The utility model relates to coal separation station-service apparatus fields, and in particular to a kind of preparation system of dense media mixed liquor.
Background technique
Heavy media coal separation method is a kind of current coal preparation plant commonly coal preparation method, the basic principle is that Archimedes principle,
When being greater than density of suspending liquid such as the density of fruit granule, particles sink；When less than density of suspending liquid, particle floats.Dense media choosing
Coal method is the dense media mixed liquor for preparing a kind of density between clean coal and spoil (or middle coal), and density is lower than dense media mixing
The clean coal of liquid density floats, and density is higher than the spoil of dense media mixed liquor density or middle coal then sinks.Based on the above principles, it controls
The density for making dense media mixed liquor becomes the key link of heavy media coal separation method.
In the prior art, when preparing dense media mixed liquor, the addition of dense media is completed by manual handling, water supply start and stop
By manually being controlled at the scene, collaborative work between the two conveys instruction by artificial, thus required artificial more
And it is inefficient.
Summary of the invention
The utility model aims to solve the problem that work caused by the addition by manual coordination dense media and water in the prior art
The problem of low efficiency.
To solve the above problems, the utility model provides a kind of preparation system of dense media mixed liquor, comprising:
Mixing pit；
Weigh assembly is transported, the side of the mixing pit is set to；The transport weigh assembly is in the case where setting operational mode
Operation, Xiang Suoshu mixing pit launch dense media and detect the weight value of the dense media of dispensing, communication terminal output characterization institute
State the weight signal of weight value size；
Controller, the first communication terminal are connect with the communication terminal of the transport weigh assembly, receive the weight signal
Afterwards, the first output end exports electronic valve drive signal corresponding with target ratio and the weight signal；
Motor-driven valve, first end are connected to by pipeline with the mixing pit, and second end is connected to by pipeline with water source；Its
Control terminal is connect with the first output end of the controller, is opened or closed after receiving the electronic valve drive signal, for institute
State mixing pit water supply.
Optionally, the preparation system of dense media mixed liquor described above further include:
Flowmeter is set at the first end of the motor-driven valve, for detecting the flow value for flowing into the water of the mixing pit,
The output of its output end characterizes the flow signal of the flow value size；
The controller, first input end are connect with the output end of the flowmeter, when the flow letter received
Number summation and the weight signal ratio it is identical as the target ratio when, the controller controls the motor-driven valve and closes
It closes, blocks the connection of the mixing pit Yu the water source.
Optionally, the preparation system of dense media mixed liquor described above further includes master controller:
The master controller is configured with input module, and the input module is for inputting the target ratio and destination media
Weight；The master controller is connect with the controller communication, for sending the target ratio and described to the controller
Destination media weight；
After the controller receives the destination media weight, setting operation mould is generated according to the destination media weight
Formula signal, the first communication terminal export the setting operational mode signal；
The transport weigh assembly is transported under the setting operational mode after receiving the setting operational mode signal
Row.
Optionally, the preparation system of dense media mixed liquor described above further includes mixing component:
The controller generates stirring driving signal according to the summation of the flow signal, and second output terminal exports institute
State stirring driving signal；
The mixing component is set in the mixing pit；The of the control terminal of the mixing component and the controller
The connection of two output ends, starting is after receiving the stirring driving signal to mix the dense media and the water.
Optionally, the preparation system of dense media mixed liquor described above further includes densitometer；
The densitometer is set in the mixing pit, defeated for detecting the density value of mixed liquor in the mixing pit
Outlet output characterizes the density signal of the density value size；
The controller, the second input terminal are connect with the output end of the densitometer, if the density letter received
It is number different from the target density that the target ratio is characterized, then it is sent out according to the difference of the density signal and the target density
Send the setting operational mode signal or the electronic valve drive signal.
Optionally, the preparation system of dense media mixed liquor described above further includes the first liquid level sensor and medium pump；
The controller, Xiang Suoshu master controller send the density signal；
First liquid level sensor, is set in medium bucket, for detecting the level value in the medium bucket, exports
End output characterizes the first liquid level signal of the level value height；Wherein, the medium bucket is the target for placing density
The dense media mixed liquor of density；
The master controller, first input end is connect with the output end of first liquid level sensor, when what is received
First liquid level signal is less than the first given threshold, and when the density signal is identical as the target density, output end
Output medium pump drive signal；
The medium pump is set to the side of the mixing pit, and entrance is connected to the mixing pit, outlet with it is described
The connection of medium bucket；Its control terminal is connect with the output end of the master controller, is started after receiving the medium pump drive signal.
Optionally, the preparation system of dense media mixed liquor described above further includes the second liquid level sensor；
Second liquid level sensor, is set in the mixing pit, for detecting the level value in the mixing pit,
Output end output characterizes the second liquid level signal of the level value height；
The controller, third input terminal are connect with the output end of second liquid level sensor, when the institute received
When stating the second liquid level signal less than the second given threshold, controls the mixing component and stop working.
Optionally, in the preparation system of dense media mixed liquor described above:
The controller is configured with display screen, the controller control target density described in the display screen real-time display,
What the weight value and the flow signal that density value that the density signal is characterized, the weight signal are characterized were characterized
The summation of flow value.
Optionally, in the preparation system of dense media mixed liquor described above:
The transport weigh assembly is grab bucket crane.
Optionally, in the preparation system of dense media mixed liquor described above:
The grab bucket crane is configured with the first radio receiving transmitting module；
The controller is configured with the second radio receiving transmitting module, the controller by second radio receiving transmitting module and
First radio receiving transmitting module is connect with the grab bucket crane wireless telecommunications.
The preparation system of dense media mixed liquor described in the utility model, wherein transport weigh assembly has dispensing and weighing
Function, and the weight of the dense media of dispensing is fed back into weight controller with weight signal, weight controller receive it is described
The motor-driven valve is controlled after weight signal to open, thus during preparing dense media mixed liquor, the carrying of dense media and electricity
The unlatching of dynamic valve is not necessarily to manually participate in, and reduces cost of labor, while also improving working efficiency.
Detailed description of the invention
Fig. 1 is the theory structure signal of the preparation system of dense media mixed liquor described in the utility model one embodiment
Figure；
Fig. 2 is the theory structure signal of the preparation system of dense media mixed liquor described in the utility model one embodiment
Figure.
Specific embodiment
The utility model embodiment is further illustrated below in conjunction with attached drawing.It needs in the description of the present invention,
Bright is unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can
To be to be connected directly, the connection of two component internals can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present embodiment provides a kind of preparation systems of dense media mixed liquor, as shown in Figure 1, including mixing pit 1, transport weighing
Component 2, controller 3 and motor-driven valve 4, wherein for accommodating dense media and water, the transport weigh assembly 2 is set to mixing pit 1
The side of the mixing pit 1, the transport weigh assembly 2 run in the case where setting operational mode launched to the mixing pit 1 it is described
Dense media, and the weight value of the dense media of dispensing is detected, communication terminal output characterizes the weight signal of the weight size.
First communication terminal of controller 3 is connect with the communication terminal of the transport weigh assembly 2, after receiving the weight signal, the
One output end exports electronic valve drive signal corresponding with target ratio and weight signal, and the target ratio is mixed liquor intermediary
The ratio of matter weight and water volume.The first end of motor-driven valve 4 is connected to by pipeline with the mixing pit 1, and second end passes through pipeline
It is connected to water source, the control terminal of the motor-driven valve 4 is connect with the first output end of the controller 3, receives the motor-driven valve
It opens or closes after driving signal, supplies water for the mixing pit 1.
The preparation system of dense media mixed liquor described in the present embodiment, wherein transport weigh assembly 2 has dispensing and weighing
Function, and the weight of the dense media of dispensing is fed back into weight controller 3 with weight signal, weight controller 3 is receiving
State and control the motor-driven valve 4 after weight signal and open, thus during preparing dense media mixed liquor, the carrying of dense media and
The unlatching of motor-driven valve 4 is not necessarily to manually participate in, and reduces cost of labor, while also improving working efficiency.
In above scheme, the transport weigh assembly 2 is to have the device of transport and function of weighing, such as have weighing function
Grab bucket crane, the belt feeder for having function of weighing etc. of energy.When the transport weigh assembly 2 is communicated with controller 3, it can be selected
The mode of wireless telecommunications, i.e., the described transport weigh assembly 2 are configured with the first radio receiving transmitting module, and the controller 3 is configured with the
Two transceiver modules, the controller 3 pass through second radio receiving transmitting module and the first radio receiving transmitting module and transport weighing group
2 wireless telecommunications of part.First radio receiving transmitting module.First radio receiving transmitting module and second radio receiving transmitting module can
Using bluetooth transceiver module, Zigbee transceiver module etc..The chips such as PLC, single-chip microcontroller can be selected in the controller 3, described electronic
Valve 4 is common automatically controlled valve.In above scheme, the function of controller 3 includes reception weight signal, and described receiving
Electronic valve drive signal is sent after weight signal, to those skilled in the art, according to the calculating of ratio density in other words
Mode can obtain the water that be put into after determining dense media weight, can be true according to the latus rectum of water and motor-driven valve 4
The signals such as opening time or the opening size of motor-driven valve 4 are made, motor-driven valve driving signal, electricity determined above are thus produced
The process of dynamic valve drive signal is entirely that may be implemented using existing method and common knowledge, thus above scheme is not related to journey
Improvement in sequence.
It in certain embodiments, is the stability for improving mixed liquor density, as shown in Fig. 2, above scheme further includes
Flowmeter 5, the flowmeter 5 are set at the first end of the motor-driven valve 4, for detecting the water for flowing into the mixing pit 1
Flow value, output end output characterize the flow signal of the flow value size；The first input end of the controller 3 with it is described
The output end of flowmeter 5 connects, when the summation of the flow signal received and the ratio of the weight signal and the mesh
When mark ratio is identical, the controller 3 controls the motor-driven valve 4 and closes, and blocks the connection of the mixing pit 1 and the water source.
Wherein the summation of the flow signal is to flow into the volume of the water of mixing pit 1, that is, passes through the flow value of flow signal characterized
The volume that can obtain flowing into the water of mixing pit 1 with time integral, also can be obtained currently by the volume of water and the weight of dense media
The density of mixed liquor in mixing pit 1.In the present embodiment, when the volume of water and the ratio of dense media weight are identical as target ratio
When, motor-driven valve 4 is closed in time, and the density of the mixed liquor of the preparation made can satisfy preset requirement, improve mixed liquor density
Stability is further noted that the yield and quality of product coal.
As shown in Fig. 2, above scheme further includes master controller 6, the master controller 6 is configured with input module, the master
Controller 6 can adjust each production process for monitoring entire production process by input module.The master controller 6 can
It is connected, is used for and computer communication by the computer of interchanger and monitoring room.The master controller 6 and the controller 3 are logical
News connection, the master controller 6 send the destination media weight inputted by input module and target ratio to the controller 3
Value.The controller 3 then generates the setting according to the destination media weight and transports after receiving the destination media weight
Row mode signal, and its first communication terminal exports the setting operational mode signal, the transport weigh assembly 2 receives described
It is run under the setting operational mode after setting operational mode signal.Wherein, it weighs under the different operational modes of transport assembly,
Define the dense medium quality of weighing transport assembly single transport.By taking grab bucket crane as an example, grab bucket crane in the prior art
The control of acceptable control device 3, according to setting operational mode adjustment grab bucket size, with adjust pick up article number.It is above-mentioned
In scheme, there are many set operational mode signal, the corresponding mesh of each setting operational mode signal for storage in the controller 3
Medium-weight is marked, when generating setting operational mode signal, i.e., it is corresponding the aimed quality to be inquired according to destination media weight
It sets operational mode signal and exports, therefore it may only be necessary to which the corresponding relationship of the two is stored in advance in controller 3, work as reception
Pass through simply to search to compare after to destination media weight and can determine setting operational mode, the above method passes through the prior art
Middle conventional computer program can be realized.In above scheme, the weight launched every time is adjusted by adjusting transport weigh assembly 2
The weight of medium avoids the waste of mixed liquor so that the mixed liquor prepared every time meets the required amount of production.
In addition, as shown in Fig. 2, above scheme further includes mixing component 7, wherein the controller 3 is according to flow signal
Summation generates stirring driving signal, and second end exports the stirring signal.The mixing component 7 is set to the mixing pit 1
In, for mixing the dense media and the water, the second output terminal of the control terminal of the mixing component 7 and the controller 3
Connection, starts after receiving the stirring driving signal.In above scheme, the summation of flow signal is to enter mixing pit 1
The volume of water, when the height of water is more than the one third or half of 1 height of mixing pit, the mixing component 7 should be opened
Dynamic stirring, water is excessively few to be then not easy to stir, and dilutional hyponatremia then reduces stirring efficiency.Those skilled in that art pass through measurement mixing pit
1 side length is that can determine the volume of mixing pit 1, and the volume for flowing into water in mixing pit 1 can be obtained by the summation of flow signal,
It is thus the height that can determine whether to flow into water in mixing pit 1 at present by the summation of flow signal, thus controller 3 can direct basis
Mixing pit 1 volume settings, one threshold value can determine whether that the height of water is greater than mixing pit after the summation of flow signal is more than threshold value
The one third or half of 1 height.Above scheme can also be realized by liquid level sensor, that is, pass through the height of detection water
Judge whether to need to open mixing component 7.In above scheme, the setting of mixing component 7 can mix mixed liquor, improve mixed liquor
Quality.Two-blade stirrer can be used in the mixing component 7.
As shown in Fig. 2, being additionally provided with densitometer 8 in the mixing pit 1, the densitometer 8 is for detecting in mixing pit 1
The density value of mixed liquor, output end output characterize the density signal of the density value size.Second input of the controller 3
End is connect with the output end of the densitometer 8, if the received density signal and the target that the target ratio is characterized are close
Degree is different, then sends setting operational mode signal according to the difference of the density signal and the target density or motor-driven valve 4 drives
Dynamic signal, to adjust the mixed liquor density.Above scheme can be saved by the testing result adjust automatically mixed liquor of densitometer 8
The trouble of artificial adjustment is gone.Ultrasonic density sensor, tuning fork density sensor etc. can be selected in the densitometer 8.
In addition, as shown in Fig. 2, above scheme further includes the first liquid level sensor 9 and medium pump 10, wherein controller 3 to
The master controller 6 sends the density signal；First liquid level sensor 9 is set in the medium bucket 11, for examining
The level value in the medium bucket 11 is surveyed, output end output characterizes the first liquid level signal of the height of liquid level, the medium
Bucket 11 is for placing the dense media mixed liquor that density is target density.The first input end of the master controller 6 and described first
The output end of liquid level sensor 9 connects, when first liquid level signal received is less than the first given threshold, and the density
When signal is identical as the target density, output end output medium pumps 10 driving signals.The medium pump 10 is set to described
The side of mixing pit 1, entrance are connected to the mixing pit 1, outlet be connected to the medium bucket 11, control terminal with it is described
The output end of master controller 6 connects, and starts after receiving 10 driving signal of medium pump.In above scheme, the medium bucket
11 container to be used to store mixed liquor in coal separation workshop, and above-mentioned mixing pit 1 is located at outside coal separation workshop, thus need to be by qualification
Mixed liquor is delivered in medium bucket 11 for coal separation use.Above scheme is detected in medium bucket 11 by the first liquid level sensor 9
The height of liquid level conveys qualified mixed liquor from trend medium bucket 11, realizes mixing when liquid level is lower than the first given threshold
The automatic conveying of liquid, reduces human cost.First given threshold can be configured according to coal preparation technique.
The second liquid level sensor 12 is provided in the mixing pit 1, second liquid level sensor 12 is for detecting institute
The level value in mixing pit 1 is stated, output end output characterizes the second liquid level signal of the level value height.The controller 3
Third input terminal connect with the output end of second liquid level sensor 12, when second liquid level signal received is less than
When the second given threshold, controls the mixing component 7 and stop working.The starting of the mixing component 7 can also be by second liquid
Level sensor 12 controls, i.e., control is stirred when second liquid level signal that the described controller 3 receives is greater than third given threshold
Mix the starting of component 7.Second given threshold is the height close to 1 bottom of mixing pit, and the third given threshold is mixing pit 1
The one third or half of height.Floating ball type liquid level can be used in second liquid level sensor 12 and the first sensor
Sensor, photoelectric liquid level sensor etc..
In above scheme, the controller 3 is configured with display screen, and the controller 3 controls the display screen real-time display
Weight value that density value, the weight signal of characterization described in the target density, the density signal are characterized and described
The summation for the flow value that resonant signal is characterized, to facilitate staff to check.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of preparation system of dense media mixed liquor characterized by comprising
Mixing pit；
Weigh assembly is transported, the side of the mixing pit is set to；The transport weigh assembly is run in the case where setting operational mode,
Dense media is launched to the mixing pit and detects the weight value of the dense media of dispensing, and communication terminal output characterizes the weight
It is worth the weight signal of size；
Controller, the first communication terminal is connect with the communication terminal of the transport weigh assembly, after receiving the weight signal,
First output end exports electronic valve drive signal corresponding with target ratio and the weight signal；
Motor-driven valve, first end are connected to by pipeline with the mixing pit, and second end is connected to by pipeline with water source；It is controlled
End is connect with the first output end of the controller, is opened or closed after receiving the electronic valve drive signal, is described mixed
Pond is closed to supply water.
2. the preparation system of dense media mixed liquor according to claim 1, which is characterized in that further include:
Flowmeter is set at the first end of the motor-driven valve, defeated for detecting the flow value for flowing into the water of the mixing pit
Outlet output characterizes the flow signal of the flow value size；
The controller, first input end are connect with the output end of the flowmeter, when the flow signal received
When the ratio of summation and the weight signal is identical as the target ratio, the controller controls the motor-driven valve and closes, resistance
Break the connection of the mixing pit and the water source.
3. the preparation system of dense media mixed liquor according to claim 2, which is characterized in that further include master controller:
The master controller is configured with input module, and the input module is for inputting the target ratio and destination media weight
Amount；The master controller is connect with the controller communication, for sending the target ratio and the mesh to the controller
Mark medium-weight；
After the controller receives the destination media weight, setting operational mode letter is generated according to the destination media weight
Number, the first communication terminal exports the setting operational mode signal；
The transport weigh assembly is run under the setting operational mode after receiving the setting operational mode signal.
4. the preparation system of dense media mixed liquor according to claim 3, which is characterized in that further include mixing component:
The controller generates stirring driving signal according to the summation of the flow signal, stirs described in second output terminal output
Mix driving signal；
The mixing component is set in the mixing pit；The second of the control terminal of the mixing component and the controller is defeated
Outlet connection, starting is after receiving the stirring driving signal to mix the dense media and the water.
5. the preparation system of dense media mixed liquor according to claim 4, which is characterized in that further include densitometer；
The densitometer is set in the mixing pit, for detecting the density value of mixed liquor in the mixing pit, output end
Output characterizes the density signal of the density value size；
The controller, the second input terminal are connect with the output end of the densitometer, if the density signal received with
The target density that the target ratio is characterized is different, then sends institute according to the difference of the density signal and the target density
State setting operational mode signal or the electronic valve drive signal.
6. the preparation system of dense media mixed liquor according to claim 5, which is characterized in that further include the first level sensing
Device and medium pump；
The controller, Xiang Suoshu master controller send the density signal；
First liquid level sensor, is set in medium bucket, and for detecting the level value in the medium bucket, output end is defeated
The first liquid level signal of the level value height is characterized out；Wherein, the medium bucket is the target density for placing density
Dense media mixed liquor；
The master controller, first input end is connect with the output end of first liquid level sensor, described in receiving
First liquid level signal is less than the first given threshold, and when the density signal is identical as the target density, output end output
Medium pump drive signal；
The medium pump is set to the side of the mixing pit, and entrance is connected to the mixing pit, outlet and the medium
Bucket connection；Its control terminal is connect with the output end of the master controller, is started after receiving the medium pump drive signal.
7. the preparation system of dense media mixed liquor according to claim 6, which is characterized in that further include the second level sensing
Device；
Second liquid level sensor, is set in the mixing pit, for detecting the level value in the mixing pit, exports
End output characterizes the second liquid level signal of the level value height；
The controller, third input terminal are connect with the output end of second liquid level sensor, when described received
When two liquid level signals are less than the second given threshold, control the mixing component and stop working.
8. the preparation system of dense media mixed liquor according to claim 7, it is characterised in that:
The controller is configured with display screen, and the controller controls target density described in the display screen real-time display, described
The flow that the weight value and the flow signal that density value that density signal is characterized, the weight signal are characterized are characterized
The summation of value.
9. the preparation system of dense media mixed liquor according to claim 1-8, it is characterised in that:
The transport weigh assembly is grab bucket crane.
10. the preparation system of dense media mixed liquor according to claim 9, it is characterised in that:
The grab bucket crane is configured with the first radio receiving transmitting module；
The controller is configured with the second radio receiving transmitting module, and the controller passes through second radio receiving transmitting module and described
First radio receiving transmitting module is connect with the grab bucket crane wireless telecommunications.
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