CN206810192U - Urethane raw high-precision measuring mixing equipment - Google Patents
Urethane raw high-precision measuring mixing equipment Download PDFInfo
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- CN206810192U CN206810192U CN201720689925.0U CN201720689925U CN206810192U CN 206810192 U CN206810192 U CN 206810192U CN 201720689925 U CN201720689925 U CN 201720689925U CN 206810192 U CN206810192 U CN 206810192U
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Abstract
Chemical field is the utility model is related to, more particularly to a kind of urethane raw high-precision measuring mixing equipment, its difference are:It includes auxiliary material barreled feed supplementing device, auxiliary material buffer storage tank, auxiliary material metering cylinder system, major ingredient feeding device, batch mixing tank arrangement, material stock tank arrangement;The auxiliary material barreled feed supplementing device, auxiliary material buffer storage tank, auxiliary material metering cylinder system are sequentially connected, and the auxiliary material metering cylinder barrel and major ingredient feeding device are all connected to the arrival end of batch mixing tank arrangement, and the material stock tank arrangement is connected to the port of export of batch mixing tank arrangement.The utility model causes the proportion speed of each component raw material, measuring accuracy high and stably.
Description
Technical field
It the utility model is related to chemical field, more particularly to a kind of urethane raw high-precision measuring mixing equipment.
Background technology
With the fast development of current China's polyurethane industries among others, to the foam process formula and measuring accuracy of urethane raw
It is required that more and more higher, how on mixing equipment, can accurately, stably control the mixed proportion of various component raw materials, and can
Improve the automaticity of equipment, the problem exactly inquired into jointly in polyurethane industries among others instantly.
Conventional mixing equipment is that the various micro auxiliary materials in raw material are carried out by electronic scale and proportioning valve or flowmeter
Metering, because the measuring accuracy of electronic scale is often affected by the external environment larger such as extraneous vibration, environment temperature, wet
Degree etc., easily causes that electronic scale measuring accuracy is unstable in process of production, especially for the auxiliary material metering of accuracy to 1g, one
As the resolution ratio of electronic scale be extremely difficult to, even if using the electronic scale of day sane level, in the industrial production, workshop condition also is difficult to full
Foot requires;Using the metering of flowmeter, can by the air in pipeline and material viscosity, density change and change, flowmeter
Often there is deviation in show value and actual metered value, so as to influence batch mixing precision;By both the above metering method to poly- ammonia
Micro auxiliary material in ester raw material is measured, and can all have that measuring accuracy is unstable, is so blended the urethane raw come and is matched somebody with somebody
Than often inaccuracy, so as to influence the foaming effect of raw material, substantial amounts of wastage of material is caused.
The content of the invention
The shortcomings that the purpose of this utility model is to overcome prior art, there is provided a kind of urethane raw high-precision measuring mixes
Expect equipment so that the proportion speed of each component raw material, measuring accuracy are high and stably.
To solve above technical problem, the technical solution of the utility model is:Urethane raw high-precision measuring batch mixing is set
It is standby, it is characterised in that the equipment includes:The auxiliary material barreled feed supplementing device for being stored and being supplied to auxiliary material;To auxiliary material metering cylinder
Cartridge system carries out the auxiliary material buffer storage tank of quick feed supplement;The auxiliary material metering cylinder system measured to auxiliary material;Major ingredient is entered
Row storage and the major ingredient feeding device of supply;Major ingredient is measured and major ingredient and auxiliary material are mixed to obtain compound
Batch mixing tank arrangement;And compound is stored and the material stock tank arrangement of circulation conveying;
The auxiliary material barreled feed supplementing device, auxiliary material buffer storage tank, auxiliary material metering cylinder system are sequentially connected, the auxiliary material
Metering cylinder barrel and major ingredient feeding device are all connected to the arrival end of batch mixing tank arrangement, and it is canned that the material stock tank arrangement is connected to batch mixing
The port of export put;
The auxiliary material buffer storage tank includes:Multiple holding vessels, the charging for starting charging start liquid-level switch, are used for
Stop charging liquid level limit inferior switchs, the liquid level limit inferior switch for system alarm, the first Ventilated cap located at holding vessel,
Connect the first blowing pipeline of holding vessel outlet at bottom end and auxiliary material metering cylinder system;
The auxiliary material metering cylinder system includes:It is connected to multiple cylinder barrel inlet valves of the first blowing pipeline, is connected to cylinder
Cylinder inlet valve and bottom for pyramidal structure cylindric multiple metering cylinder barrels, located at metering cylinder barrel the second Ventilated cap and be used for
Control the liquid-level switch of feed supplement height, change for measuring liquid level to obtain differential pressure pickup, the company that auxiliary material calculates the weight
It is connected to the second blowing pipeline for measuring cylinder barrel outlet at bottom end, the baiting valve for connecting the second blowing pipeline and batch mixing tank arrangement, connects
It is connected to the test valve that metering cylinder barrel outlet at bottom end is used for Accurate Calibration differential pressure pickup detection parameters.
By above scheme, the auxiliary material barreled feed supplementing device includes:It is multiple to be used to store the auxiliary material bucket of different auxiliary material, pass through
Feed supplement pump that suction tube is connected with auxiliary material bucket, the check valve located at feed supplement pump discharge end, the feed supplement valve for being connected to holding vessel, connection
The conveying pipeline of check valve and feed supplement valve.
By above scheme, the major ingredient feeding device includes:It is multiple to be used to store the basic material barrel of major ingredient, be connected to basic material barrel
Charge pump, be connected to charge pump feeding tube, connection feeding tube and batch mixing tank arrangement charging valve.
By above scheme, the batch mixing tank arrangement includes:It is in turn connected to form mixing tank, the batch can outlet control of closed-loop path
Valve, first circulation delivery pump, the first three-way connector, first circulation valve, first circulation pipeline and static mixer processed, in addition to
It is used to measuring the electronic scale of major ingredient weight, the first agitating device being stirred for major ingredient and auxiliary material, with the located at mixing tank
The transfer pipe and turn material valve that one three-way connector is sequentially connected, described turn of material valve is connected to material stock tank arrangement, the blending tank
It is all connected with charging valve and baiting valve.
By above scheme, the material stock tank arrangement includes being connected to transfer pipe for storing the tank body of compound, being located at
The liquid level gauge of tank body, for improving compound temperature control uniformity and preventing the second agitating device of layering, go out located at tank base
The filter at mouth end, the second circulation delivery pump being connected with filter, pass through partial circulating pipeline and second circulation conveying pump discharge
Partial circulating valve and heat exchanger that one end and tank body are sequentially connected, second be connected with the second circulation conveying pump discharge other end
Three-way connector, the systemic circulation valve being all connected with by systemic circulation pipeline and the second three-way connector and tank body and tank body and Re Jiao
The temperature conditioning unit that parallel operation is all connected with;Second three-way connector is additionally coupled to work batch can.
By above scheme, the equipment also includes refrigerated type air dryer.
By above scheme, the auxiliary material barreled feed supplementing device also includes being connected to the regulation that feed supplement pump is used to adjust air inflow
Valve group.
By above scheme, the height of the multiple metering cylinder barrel is identical, has a variety of different diameters.
By above scheme, the metering cylinder barrel is highly 1000mm, diameter be respectively 32mm, 50mm, 65mm, 80mm,
100mm、250mm。
By above scheme, the multiple holding vessel has two kinds of specifications, and its volume is respectively 80L and 150L.
Prior art is contrasted, the utility model can be measured and mixed according to preset value to major ingredient and auxiliary material, dispensing spirit
Living, automaticity is high;When measuring auxiliary material, employ auxiliary material buffer storage tank come to measure cylinder barrel quick feed supplement, there is provided
The stability of auxiliary material metering, additionally use auxiliary material metering cylinder system and high-precision meter is carried out to the weight of auxiliary material
Amount, liquid level change of the high-precision differential pressure pickup therein by detecting holding vessel can be accurate to being used for for 0.1g to obtain
The auxiliary material weight of batch mixing, and by the test valve installed in metering cylinder barrel bottom can Accurate Calibration differential pressure pickup gravity inspection
Parameter is surveyed, so as to further improve the measuring accuracy of auxiliary material so that the proportion speed of each component raw material, measuring accuracy are high and steady
It is fixed.
Brief description of the drawings
Fig. 1 is the utility model embodiment overall structure diagram;
The local A that Fig. 2 is Fig. 1 amplifies schematic cross-section;
The local B that Fig. 3 is Fig. 1 amplifies schematic cross-section;
The Local C that Fig. 4 is Fig. 1 amplifies schematic cross-section;
The local D that Fig. 5 is Fig. 1 amplifies schematic cross-section;
Wherein:1- auxiliary material barreled feed supplementing devices(101- auxiliary materials bucket, 102- suction tubes, 103- feed supplements pump, 104- check valves,
105- conveying pipelines, 106- feed supplements valve, 107- regulation valve groups), 2- auxiliary material buffer storage tanks(201- holding vessels, 202- chargings start
Liquid-level switch, 203- liquid levels limit inferior switchs, 204- liquid levels limit inferior switch, the Ventilated caps of 205- first, the vomit pipes of 206- first
Road), 3- auxiliary materials metering cylinder system(301- cylinder barrels inlet valve, 302- meterings cylinder barrel, the Ventilated caps of 303- second, 304- liquid levels are opened
Pass, 305- differential pressure pickups, the second blowings of 306- pipeline, 307- baiting valves, 308- test valves), 4- major ingredient feeding devices(401-
Basic material barrel, 402- charge pumps, 403- feeding tubes, 404- charging valves), 5- batch mixing tank arrangements(501- mixing tanks, 502- electronics
Scale, the agitating devices of 503- first, 504- batch cans discharge control valve, 505- first circulations delivery pump, the three-way connectors of 506- first,
507- first circulations valve, 508- first circulations pipeline, 509- static mixers, 510- turn material valve, 511- transfer pipes), 6- deposits
Charging bucket device(601- tank bodies, 602- liquid level gauges, the agitating devices of 603- second, 604- filters, 605- second circulations delivery pump,
606- temperature conditioning units, 607- partial circulatings pipeline, 608- partial circulatings valve, 609- heat exchangers, the three-way connectors of 610- second, 611-
Systemic circulation pipeline, 612- systemic circulations valve, 613- pressure switches), 7- refrigerated type air dryers.
Embodiment
The utility model is described in further detail below by embodiment combination accompanying drawing.
Fig. 1 is refer to, the utility model is urethane raw high-precision measuring mixing equipment, and it includes storing up auxiliary material
The auxiliary material barreled feed supplementing device 1 deposited and supplied;Auxiliary material is stored and the auxiliary material buffer storage of buffering is balanced to pressure
Tank 2;The auxiliary material metering cylinder system 3 measured to auxiliary material;The major ingredient feeding device 4 for being stored and being supplied to major ingredient;It is right
Major ingredient is measured and major ingredient and auxiliary material is mixed to obtain the batch mixing tank arrangement 5 of compound;And compound is carried out
Storage and the material stock tank arrangement 6 of circulation conveying;The auxiliary material barreled feed supplementing device 1, auxiliary material buffer storage tank 2, auxiliary material metering cylinder
Cartridge system 3 is sequentially connected, and the auxiliary material metering cylinder barrel 302 and major ingredient feeding device 4 are all connected to the entrance of batch mixing tank arrangement 5
End, the material stock tank arrangement 6 are connected to the port of export of batch mixing tank arrangement 5.
With reference to Fig. 1, Fig. 2 and Fig. 3, the auxiliary material barreled feed supplementing device 1 includes multiple auxiliary materials for being used to store different auxiliary material
Bucket 101, the feed supplement pump 103 that is connected by suction tube 102 with auxiliary material bucket 101, the check valve 104 located at the port of export of feed supplement pump 103,
It is connected to the feed supplement valve 106 of auxiliary material buffer storage tank 2, connects the conveying pipeline 105 of check valve 104 and feed supplement valve 106;The auxiliary material
Barreled feed supplementing device 1 also includes the regulation valve group 107 for being connected to feed supplement pump 103, dries, oil-free compressed air(Pressure P is
0.7MPa, flow Q are 0.2m3/min)Enter power source of the regulation valve group 107 as the device through pipeline, regulation valve group 107 can
The folding of control compressed air in real time, also can adjust the parameter that compressed air enters the auxiliary material barreled feed supplementing device 1.
With reference to Fig. 1 and Fig. 3, the auxiliary material buffer storage tank 2 include top be connected to conveying pipeline 105 holding vessel 201, when
The charging to be fed when liquid level reaches charging liquid level for controlling feed supplement valve 106 to open starts liquid-level switch 202, when liquid level arrives
Up to during the upper limit for control feed supplement valve 106 close liquid level limit inferior switchs 203, when liquid level reach lower limit when be used for system alarm
Liquid level limit inferior switch 204, the first Ventilated cap 205 for the inside of balanced stock tank 201 and ambient pressure, be connected holding vessel
201 outlet at bottom ends and the first blowing pipeline 206 of auxiliary material metering cylinder system 3;The charging starts liquid-level switch 202, liquid
Position limit inferior switchs 203, liquid level limit inferior switch 204, the first Ventilated cap 205, the first blowing pipeline 206 are all connected to holding vessel
201;Auxiliary material buffer storage tank 2 is to be worked under atmospheric pressure state, and the first Ventilated cap 205 prevents it to produce negative pressure and pressure at work
The too high situation of power occurs;
Fig. 3 is also shown for auxiliary material metering cylinder system 3, and it includes being connected to multiple cylinder barrels of the first blowing pipeline 206 and entered
Material valve 301, multiple cylinder barrel inlet valves 301 and bottom of being connected to are the cylindric metering cylinder barrel 302 of pyramidal structure, located at metering cylinder
Second Ventilated cap 303 of cylinder 302 and for controlling the liquid-level switch 304 of feed supplement height, for measuring liquid level change to obtain
Auxiliary material calculate the weight differential pressure pickup 305, be connected to metering cylinder barrel 302 outlet at bottom end the second blowing pipeline 306, with
Baiting valve 307 that second blowing pipeline 306 and batch mixing tank arrangement 5 are all connected with, it is connected to metering cylinder barrel 302 outlet at bottom end and is used for
The test valve 308 of the detection parameters of Accurate Calibration differential pressure pickup 305;Metering cylinder barrel 302 is according to every kind of auxiliary material in mixture recipes
Ratio and addition weight, it is highly identical, and diameter can be different;What general high-precision differential pressure pickup 305 detected
Raw material weight change can be as accurate as 0.1g, and release certain raw material by the test valve 308 installed in cylinder barrel bottom, enter
After row is weighed, reduce weight with the raw material that differential pressure pickup 305 detects and contrasted, can also Accurate Calibration differential pressure pickup 305
Gravity detection parameters.
Preferably, the metering cylinder barrel is highly 1000mm, diameter be respectively 32mm, 50mm, 65mm, 80mm, 100mm,
250mm。
Preferably, when metering cylinder barrel is highly 1000mm, diameter is respectively 32,50,65,80,100mm when, holding vessel
Volume is 80L;When metering cylinder barrel is highly 1000mm, during a diameter of 250mm, the volume of holding vessel is 150L.
With reference to Fig. 1 and Fig. 4, the major ingredient feeding device 4 includes being used for the basic material barrel 401 for storing major ingredient(Volume 200L)、
The charge pump 402 for being connected to basic material barrel 401, the feeding tube 403 and feeding tube 403 and mixing tank that are connected to charge pump 402
The charging valve 404 that device 5 is all connected with;The charging valve 404 is also attached to batch mixing tank arrangement 5 and realizes major ingredient from major ingredient feeding device
4 arrive the conveying of batch mixing tank arrangement 5.
Fig. 4 is also shown for batch mixing tank arrangement 5, and it includes the mixing tank 501 being sequentially connected(Volume 1200L), batch can outlet
Control valve 504, first circulation delivery pump 505, the first three-way connector 506, first circulation valve 507, the and of first circulation pipeline 508
Static mixer 509 forms closed-loop path, in addition to is used to measure the electronic scale 502 of major ingredient weight located at mixing tank 501, is used for
The first agitating device 503 that major ingredient and auxiliary material are stirred and the transfer pipe 511 that the first three-way connector 506 is sequentially connected
With turn material valve 510;The baiting valve of the blending tank and charging valve 404 and auxiliary material the metering cylinder system 3 of major ingredient feeding device 4
307 are all connected with, and described turn of material valve 510 is connected to material stock tank arrangement 6.The electronic scale 502 is used for the metering of major ingredient addition weight,
Because major ingredient is in batch mixing, charge weight typically constitutes from the 80%-90% of batch mixing gross weight, and weighing precision ensures just can be full in ± 1Kg
Sufficient technological requirement, therefore major ingredient can meet measuring accuracy completely using electronic scale metering;What first agitating device 503 used
It is that raw material is well mixed by reducing motor driving impeller.
Fig. 5 shows material stock tank arrangement 6, and it includes the tank body 601 for being connected to transfer pipe 511(Volume 2000L), be located at
The liquid level gauge 602 of tank body 601, the second agitating device 603, the filter located at the bottom of tank body 601 inside tank body 601
604th, the second circulation delivery pump 605 that is connected with filter 604, gone out by partial circulating pipeline 607 and second circulation delivery pump 605
The partial circulating valve 608 and heat exchanger 609 and second circulation delivery pump 605 that mouth one end and tank body 601 are sequentially connected export separately
Second three-way connector 610 of one end connection, connected by systemic circulation pipeline 611 and the second three-way connector 610 and tank body 601
The systemic circulation valve 612 connect, the temperature conditioning unit 606 being all connected with tank body 601 and heat exchanger 609;The tank body 601 is used to store
The urethane raw mixed, the second agitating device 603 are agitating shaft and impeller, and the temperature control uniformity of raw material is improved by stirring
And prevent raw material from occurring lamination after depositing for a long time, temperature conditioning unit 606 provides hot water or cold water, realize raw material heating and
Temperature control is cooled down, second three-way connector 610 is additionally coupled to work batch can;The tank body 601, filter 604, second circulation
Delivery pump 605, partial circulating pipeline 607, partial circulating valve 608, heat exchanger 609 are in turn connected to form partial circulating loop, institute
State tank body 601, filter 604, second circulation delivery pump 605, the second three-way connector 610, systemic circulation pipeline 611, systemic circulation
Valve 612 is in turn connected to form systemic circulation loop;Systemic circulation loop is connected to work on the spot batch can.
Preferably, the equipment also includes the refrigerated type air dryer 7 for being connected to tank body 601.
In the utility model embodiment, when the equipment works, in auxiliary material barreled feed supplementing device 1, dry, oil free compression sky
Gas enters feed supplement pump 103 by regulation valve group 107 and is used as power source, and feed supplement pump 103 is by suction tube 102 by auxiliary material bucket 101
Raw material suction out after, added the raw material into auxiliary material buffer storage tank 2, fed by feed supplement by check valve 104 and conveying pipeline 105
The opening and closing of valve 106 control.
In auxiliary material buffer storage tank 2, after raw material enters holding vessel 201, then by installed in the bottom of holding vessel 201
First blowing pipeline 206 enters auxiliary material metering cylinder system 3;When the liquid level in holding vessel 201 reaches charging liquid level, charging is opened
Hydrodynamic bit switch 202 provides signal, and control feed supplement valve 106 automatically turns on, the automatic feeding into pipe, when liquid level reaches the upper limit,
Liquid level limit inferior switchs 203 provide signal, and control feed supplement valve 106 is closed, and stops feed supplement, when liquid level reaches limit inferior, liquid level
Limit inferior switch 204 sends signal, system alarm;Raw material in holding vessel 201 is put into metering cylinder barrel 302 by deadweight,
The inside of first Ventilated cap, 205 Real-time Balancing holding vessel 201 and extraneous pressure.
In auxiliary material measures cylinder system 3, raw material is entered by being connected to the cylinder barrel inlet valve 301 of the first blowing pipeline 206
Enter to measure cylinder barrel 302, metering cylinder barrel 302 is full of raw material always at work, when system is put into one per amalgamation batch raw material, auxiliary material
Fixed weight supplements raw material to that after mixing tank 501, can automatically open up cylinder barrel inlet valve 301, and the supplement of each raw material highly passes through
Liquid-level switch 304 controls, and when auxiliary material is added to from holding vessel 201 in metering cylinder barrel 302, the liquid-level switch 304 at top is felt
Signal should be arrived, automatic to close cylinder barrel inlet valve 301, metering cylinder barrel 302 fills raw material, waits next batch batch mixing blowing.Metering
Raw material liquid level in cylinder barrel 302 is measured by high-precision differential pressure pickup 305, and differential pressure pickup 305 is former using gravity
Reason changes to measure the liquid level in cylinder barrel, when the liquid level in the metering cylinder barrel 302 that differential pressure pickup 305 measures becomes
Change, can be transferred to by 4-20mA signals electric-control system PLC, PLC can automatically by the material density of setting, the diameter of cylinder barrel,
To calculate the change of raw material weight, during each batch mixing, according to the formula rate of technique initialization, the auxiliary material blowing weight in cylinder barrel
When reaching setting value, the baiting valve 307 for being arranged on the top of mixing tank 501 is closed automatically, completes the charging of auxiliary material.And pass through peace
Test valve 308 mounted in cylinder barrel bottom releases certain raw material, and after being weighed, the raw material detected with differential pressure pickup 305 subtracts
Few weight is contrasted, the gravity detection parameters of further Accurate Calibration differential pressure pickup 305.
In major ingredient feeding device 4, after charge pump 402 is suctioned out the major ingredient in basic material barrel 401 by feeding tube 403,
Batch mixing tank arrangement 5 is entered by charging valve 404.
In batch mixing tank arrangement 5, major ingredient and auxiliary material enter mixing tank 501, and the major ingredient weight into mixing tank 501 passes through electricity
Sub- scale 502 measures;Mixing tank 501 mixes major ingredient and during auxiliary material, and first circulation delivery pump 505 is by raw material from the bottom of mixing tank 501
Extract out, then circulated from the top of mixing tank 501 and returned in tank by static mixer 509, the first agitating device 503 again to major ingredient and
Auxiliary material is stirred mixing, and when raw material is completed to mix, circulating valve is closed, and is turned material valve 510 and is opened, and first circulation delivery pump 505 will
Raw material in mixing tank 501 is delivered to material stock tank by transfer pipe 511.
In material stock tank arrangement 6, mixed raw material is entered in tank body 601, is dried, oil-free compressed air(Pressure P is
0.7MPa, flow Q are 0.2m3/min)By refrigerated type air dryer 7 enter tank body 601, material stock tank arrangement 6 at work,
There are partial circulating and systemic circulation both of which, when the batch can that works need not supplement raw material, material stock tank arrangement 6 is in partial circulating mould
Raw material is extracted out, then circulated by heat exchanger 609 from tank body 601 by formula, second circulation delivery pump 605 from the bottom of tank body 601
Top is returned in tank, and the temperature of raw material after being mixed in tank body 601 is adjusted using heat exchanger 609 for temperature conditioning unit 606;Work as work
When requiring supplementation with raw material as batch can, material stock tank arrangement 6 enters systemic circulation pattern, and systemic circulation valve 612 is opened, in material stock tank arrangement 6
Raw material be transported to work on the spot batch can.
The utility model can be measured and mixed according to preset value to major ingredient and auxiliary material, and dispensing is flexible, automaticity
It is high;When measuring auxiliary material, employ auxiliary material buffer storage tank 2 and quick feed supplement is carried out to metering cylinder barrel 302, there is provided auxiliary material measures
Stability, additionally use auxiliary material metering cylinder system 3 and high-precision measuring, height therein carried out to the weight of auxiliary material
Precision differential pressure pickup 305 by detect the liquid level of holding vessel 201 change can be accurate to 0.1g to obtain be used for batch mixing
Auxiliary material weight, and can Accurate Calibration differential pressure pickup 305 by test valve 308 installed in metering cylinder barrel 302 bottom
Gravity detection parameters, the measuring accuracy of auxiliary material is high, the proportion speed of each component raw material.Dry, oil-free compressed air(Pressure P is
0.7MPa, flow Q are 0.2m3/min)Enter tank body 601 by refrigerated type air dryer 7, further compressed air is carried out
Dedusting, oil removing and drying, extend the service life of equipment and improve the quality of urethane raw after mixing.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to is assert
Specific implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be considered as category
In the scope of protection of the utility model.
Claims (10)
1. urethane raw high-precision measuring mixing equipment, it is characterised in that the equipment includes:
The auxiliary material barreled feed supplementing device for being stored and being supplied to auxiliary material;
The auxiliary material buffer storage tank of quick feed supplement is carried out to auxiliary material metering cylinder system;
The auxiliary material metering cylinder system measured to auxiliary material;
The major ingredient feeding device for being stored and being supplied to major ingredient;
Major ingredient is measured and major ingredient and auxiliary material are mixed to obtain the batch mixing tank arrangement of compound;And
Compound is stored and the material stock tank arrangement of circulation conveying;
The auxiliary material barreled feed supplementing device, auxiliary material buffer storage tank, auxiliary material metering cylinder system are sequentially connected, the auxiliary material metering
Cylinder barrel and major ingredient feeding device are all connected to the arrival end of batch mixing tank arrangement, and the material stock tank arrangement is connected to batch mixing tank arrangement
The port of export;
The auxiliary material buffer storage tank includes:Multiple holding vessels, the charging for starting charging start liquid-level switch, for stopping
The liquid level limit inferior switchs of charging, the liquid level limit inferior switch for system alarm, the first Ventilated cap located at holding vessel, connection
Holding vessel outlet at bottom end and the first blowing pipeline of auxiliary material metering cylinder system;
The auxiliary material metering cylinder system includes:Multiple cylinder barrel inlet valves of the first blowing pipeline are connected to, cylinder barrel is connected to and enters
Expect that valve and bottom are cylindric multiple metering cylinder barrels of pyramidal structure, located at the second Ventilated cap for measuring cylinder barrel and for controlling
The liquid-level switch of feed supplement height, for measuring liquid level change to obtain differential pressure pickup that auxiliary material calculates the weight, be connected to
The second blowing pipeline at metering cylinder barrel outlet at bottom end, the baiting valve of the second blowing pipeline of connection and batch mixing tank arrangement, it is connected to
Measure the test valve that cylinder barrel outlet at bottom end is used for Accurate Calibration differential pressure pickup detection parameters.
2. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The auxiliary material barreled
Feed supplementing device includes:Multiple auxiliary material buckets for being used to store different auxiliary material, the feed supplement pump being connected by suction tube with auxiliary material bucket, it is located at
The check valve at feed supplement pump discharge end, the feed supplement valve for being connected to holding vessel, the conveying pipeline for connecting check valve and feed supplement valve.
3. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The major ingredient charging
Device includes:It is multiple to be used to store the basic material barrel of major ingredient, be connected to the charge pump of basic material barrel, be connected to the charge pipe of charge pump
The charging valve in road, connection feeding tube and batch mixing tank arrangement.
4. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The batch mixing is canned
Put including:It is in turn connected to form the mixing tank of closed-loop path, batch can discharge control valve, first circulation delivery pump, the one or three leads to
Fitting, first circulation valve, first circulation pipeline and static mixer, in addition to located at electricity of the mixing tank for measuring major ingredient weight
Sub- scale, the first agitating device being stirred for major ingredient and auxiliary material, the transfer pipe being sequentially connected with the first three-way connector
With turn material valve, described turn of material valve is connected to material stock tank arrangement, and the blending tank is all connected with charging valve and baiting valve.
5. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The material stock is canned
Put and be used to storing the tank body of compound, the liquid level gauge located at tank body, for improving compound temperature control including being connected to transfer pipe
Uniformity and prevent layering the second agitating device, the filter located at the tank base port of export, be connected with filter second
Circulation conveying pump, the partial circulating valve being sequentially connected by partial circulating pipeline and second circulation delivery pump exit end and tank body and
Heat exchanger, with second circulation conveying the pump discharge other end be connected the second three-way connector, by systemic circulation pipeline and second
The systemic circulation valve that three-way connector and tank body are all connected with and the temperature conditioning unit that tank body and heat exchanger are all connected with;Described 2nd 3
Lead to fitting and be additionally coupled to work batch can.
6. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The equipment is also wrapped
Include refrigerated type air dryer.
7. urethane raw high-precision measuring mixing equipment according to claim 2, it is characterised in that:The auxiliary material barreled
Feed supplementing device also includes being connected to the regulation valve group that feed supplement pump is used to adjust air inflow.
8. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The multiple metering
Cylinder barrel is highly identical, has a variety of different diameters.
9. urethane raw high-precision measuring mixing equipment according to claim 8, it is characterised in that:The metering cylinder barrel
Highly it is 1000mm, diameter is respectively 32mm, 50mm, 65mm, 80mm, 100mm, 250mm.
10. urethane raw high-precision measuring mixing equipment according to claim 1, it is characterised in that:The multiple storage
Depositing tank has two kinds of specifications, and its volume is respectively 80L and 150L.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720689925.0U CN206810192U (en) | 2017-06-14 | 2017-06-14 | Urethane raw high-precision measuring mixing equipment |
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Application Number | Priority Date | Filing Date | Title |
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CN201720689925.0U CN206810192U (en) | 2017-06-14 | 2017-06-14 | Urethane raw high-precision measuring mixing equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107029622A (en) * | 2017-06-14 | 2017-08-11 | 武汉正为机械有限公司 | Urethane raw high-precision measuring mixing equipment |
CN110077867A (en) * | 2019-04-30 | 2019-08-02 | 承德顺天食品有限公司 | Charging device |
-
2017
- 2017-06-14 CN CN201720689925.0U patent/CN206810192U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107029622A (en) * | 2017-06-14 | 2017-08-11 | 武汉正为机械有限公司 | Urethane raw high-precision measuring mixing equipment |
CN110077867A (en) * | 2019-04-30 | 2019-08-02 | 承德顺天食品有限公司 | Charging device |
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