CN206970514U - A kind of natural rubber system of processing - Google Patents
A kind of natural rubber system of processing Download PDFInfo
- Publication number
- CN206970514U CN206970514U CN201720902143.0U CN201720902143U CN206970514U CN 206970514 U CN206970514 U CN 206970514U CN 201720902143 U CN201720902143 U CN 201720902143U CN 206970514 U CN206970514 U CN 206970514U
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- China
- Prior art keywords
- latex
- formic acid
- tank
- dilute
- natural rubber
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- 240000008528 Hevea brasiliensis Species 0.000 title claims abstract description 20
- 229920001194 natural rubber Polymers 0.000 title claims abstract description 20
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 275
- 229920000126 Latex Polymers 0.000 claims abstract description 118
- 239000004816 latex Substances 0.000 claims abstract description 117
- 235000019253 formic acid Nutrition 0.000 claims abstract description 92
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 230000015271 coagulation Effects 0.000 claims abstract description 15
- 238000005345 coagulation Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 description 19
- 239000003292 glue Substances 0.000 description 12
- 238000010790 dilution Methods 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- 210000000481 Breast Anatomy 0.000 description 6
- 101700072563 POT1 Proteins 0.000 description 6
- 230000001112 coagulant Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 206010022114 Injury Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000001186 cumulative Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The utility model discloses a kind of natural rubber system of processing, it includes formic acid feed pot, dilute formic acid preparing tank, latex distributing trough, latex coagulation groove and latex blend tank, described formic acid feed pot is connected with dilute formic acid preparing tank, and described latex distributing trough is connected with dilute formic acid preparing tank and latex blend tank respectively；Described latex coagulation groove is connected by lead-over groove with described latex distributing trough.The utility model, with intelligentized instrument and the control device of automation, is directed to the innovation and lifting of natural rubber process technology aiming at thinking of the prior art process using fine chemistry industry and method.
Description
Technical field
Natural rubber manufacture field is the utility model is related to, more particularly to a kind of natural rubber system of processing.
Background technology
The production procedure of China's natural rubber primary processing factory SCR WF natural rubbers is as follows at present：Volume is more than ten cubes
Rice is to twenties cubic metres of latex blend tank, equipped with one to two cubic metres of dilute formic acid make-up tank.
The latex of glue tank car transport is put into mixing channel after lautertuns, using the method for a small amount of, multiple batches of plus water by glue
Breast is diluted to the dry content of requirement, wherein, in order to ensure dry content as accurate as possible, METHOD FOR CONTINUOUS DETERMINATION dry content, dilution mixes
Unification batch latex needs longer time so that there are latex spoilage problems.
In addition, when preparing dilute formic acid, at present, directly by the Raw material pail equipped with formic acid be poured over dilute formic acid make-up tank every
On grid, formic acid can be flowed into the make-up tank equipped with water, but make-up tank does not have agitator, only rely on artificial stirring to dilute formic acid.
When toppling over formic acid, the formic acid gas inorganization of volatilization is flown away in atmosphere, on the one hand can endanger enterprise employee health, on the other hand
Corrosiveness can be produced to steel structure factory building.It is diluted to the dilute latex for requiring concentration and dilute formic acid cocurrent enters latex/formic acid distribution
Groove, coagulating basin solidification is entered after preliminary mixing, in order to reach the pH value that control requires, employee will be continuously with pH test paper detection pH
Value adjusts the flow of dilute formic acid.After solidification by it is ironed, creped, wash, tear grain, drying until finished product Jiao Bao.
The dilution of above-mentioned latex, formic acid dilution, the mixing match of latex and formic acid are all by being manually accomplished in a simple by rule of thumb
, it is impossible to reach the requirement being precisely controlled；And formic acid volatilization now influences health, corrodes plant and equipment, does not meet volatilization
Property organic exhaust gas (VOCs) emission request.
The content of the invention
The problem of existing for above-mentioned current technology, the utility model is using intelligentized instrument and the control of automation
Means, it is directed to the innovation and lifting of natural rubber process technology, there is provided a kind of system of processing of natural rubber.
The utility model provides a kind of natural rubber system of processing, including formic acid feed pot, dilute formic acid preparing tank, latex
Distributing trough, latex coagulation groove and latex blend tank, described formic acid feed pot are connected with dilute formic acid preparing tank, described latex point
Slot allocation is connected with dilute formic acid preparing tank and latex blend tank respectively；Described latex coagulation groove connects with described latex blend tank
Connect；
Described formic acid feed pot is provided with water-jet pump unit；
Described latex blend tank is provided with latex lautertuns；
Electric diaphragm pump is provided between described formic acid feed pot and described dilute formic acid preparing tank.
Preferably, described dilute formic acid preparing tank and described latex blend tank are respectively arranged with agitator.
Lead-over groove is provided between described latex distributing trough and latex coagulation groove.
It is further preferred that described dilute formic acid preparing tank is provided with liquid level gauge and liquid level display control warning device, institute
Magnetic valve is provided between the dilute formic acid preparing tank and water inlet stated；Described magnetic valve is electrically connected with liquid level gauge to interlock control
Inflow processed.
Flowmeter and magnetic valve are set between described electric diaphragm pump and described dilute formic acid preparing tank；Described dilute first
Sour preparing tank is provided with flowmeter and magnetic valve with described latex distributing trough.
Flowmeter and magnetic valve are provided between described latex blend tank and water inlet；Described latex blend tank is set
There are liquid level gauge and liquid level display control warning device.
Using the processing technology of above-mentioned system of processing, comprise the following steps：
1) formic acid is added in formic acid feed pot, dilute formic acid preparing tank adds quantitative water and simultaneously starts stirring, by formic acid plus
Formic acid in batch can is added in dilute formic acid preparing tank, and stirring is standby；
2) latex is added in latex blend tank, and determines ammonia content and dry content；After completion is unloaded glue and rinsed, calculate
Weight of latex, according to stand for standby use after a certain amount of water of dry content addition and stirring；
3) after the dilute formic acid after step 1) is prepared mixes with latex according to proportioning addition latex distributing trough is preliminary, into glue
Solidified in newborn coagulating basin.
Preferably, the concentration of the dilute formic acid after step 1) is prepared is 2%~5%.
Preferably, in step 3), dilute formic acid and the mixed pH value of latex are 4.1-4.7.
The utility model is aiming at thinking of the said process using fine chemistry industry and method, with intelligentized instrument and certainly
The control device of dynamicization, it is directed to the innovation and lifting of natural rubber process technology.Pass through liquid level gauge, flowmeter and control valve
The automation of 1. formic acid process for preparation is realized in interlocking；2. the automation of latex dilution；3. latex/formic acid mixing match from
Dynamicization；4. formic acid tail gas is absorbed by vacuum pump assembly with water, solves the uncontrollable discharge of formic acid tail gas.
By automatic dilution complex acid, the uniformity for acid concentration accuracy, being advantageous to latex coagulation is improved, improves quality
Stability；Labor intensity is reduced, reduces potential safety hazard；The uncontrollable discharge of formic acid gas is effectively controlled, and eliminates pair
The injury of employee's body.
The dilution automation of latex so that latex dilution only needs once to add water, shortens latex dilution time；Glue
The diluted concentration error of breast is small；Mixing channel agitator self-timing startup/stopping, diluted latex even concentration.
During the acid coagulation of latex, pH value skill after the mixing of traditional pH test paper monitoring measure latex and formic acid is replaced
Art, the means of the control ph are advanced to laboratory and carried out, using chemistry titration method, i.e. formic acid titration latex to setting
PH value, the total dosage of formic acid is calculated, the charging dosage of latex and formic acid is controlled by control program, reaches the two mixed setting
PH value.This solve manually frequently determined with test paper pH value employee's sense of responsibility is required high, formic acid dosage control not precisely, matter
The problems such as measuring homogeneity difference, while solve employee round between lead-over groove and distributing trough, safety because easily slipping be present
Potential problem.
Brief description of the drawings
Fig. 1 is the system of processing for the natural rubber that the utility model is related to.
1- formic acid feed pots；
101- water-jet pump units；
2- dilute formic acid preparing tanks；
201- liquid level gauges；
202- liquid level display control warning devices；
203rd, 205,206- magnetic valves；
204th, 207- flowmeters；
3- latex blend tanks；
301- latex lautertuns；
302- flowmeters；
303- magnetic valves；
304- agitators；
305- liquid level gauges；
4- latex distributing troughs；
5- latex coagulation grooves.
Embodiment
A kind of natural rubber system of processing shown in this Fig. 1, including formic acid feed pot 1, dilute formic acid preparing tank 2, latex mix
Close groove 3, latex distributing trough 4, latex coagulation groove 5；Formic acid feed pot 1 is connected with the pipeline of dilute formic acid preparing tank 2, dilute formic acid preparing tank
It is connected with the pipeline of latex distributing trough 4, latex blend tank 3 is connected with the pipeline of latex distributing trough 4, and latex coagulation groove 5 passes through lead-over groove
Connect latex distributing trough 4.
Wherein, formic acid feed pot 1 is connected with water-jet pump unit 101, and absorbing liquid repeats itself absorbs, and reaches after testing
Added after to finite concentration in dilute formic acid preparing tank 2, prepare complex acid again and use.
Latex enters latex blend tank 3 by latex lautertuns 301, wherein, the liquid level gauge 305 that latex blend tank 3 is set
Latex liquid level is recorded with liquid level display control warning device, liquid level in mixing channel is converted to obtain the weight of latex.Latex mixes
Agitator 304 is provided with groove 3.Latex blend tank 3 is provided with flowmeter 302 and magnetic valve 303 with water inlet, to according to glue
The dry content automatic feeding water diluted latex of breast.
Electric diaphragm pump 6 is provided between dilute formic acid preparing tank 2 and formic acid feed pot 1, wherein after electric diaphragm pump 6
Pipeline is connected with flowmeter 204 and magnetic valve 203；Dilute formic acid preparing tank 2 is provided with liquid level gauge 201 and the alarm of liquid level display control
Device 202, and dilute formic acid preparing tank 2 is provided with magnetic valve 205 with water inlet, passes through magnetic valve 205 and liquid level gauge 201 and liquid
The concentration of the coordinated signals dilute formic acid of position display control warning device 202.Set between dilute formic acid preparing tank 2 and latex distributing trough 4
Flowmeter 207 and magnetic valve 206 are equipped with, the flowmeter coordinated signals latex and dilute formic acid set with above-mentioned latex mixing channel 3
Consumption proportion.
Connected between latex distributing trough 4 and latex coagulating basin 5 by lead-over groove to facilitate latex to be solidified in coagulating basin 5
Into preparation.
It is as follows using the system of processing of above-mentioned natural emulsion, process for processing nature rubber：
Control room built-in function personnel according to the liquid level of the highest liquid level of dilute formic acid preparing tank 2 and current dilute formic acid preparing tank and
It is required that the dilute acid concentration prepared, calculates amount of water and 85% amount of formic acid；Open the magnetic valve 205 on the filler pipe road of diluted acid preparing tank 2
Add water, reach setting liquid level, closed electromagnetic valve.
Start feed pot 1 water-jet pump unit 101, formic acid feed pot 1 be in tiny structure after start to add to feed pot
Acid, acid adding finish.The stirring for starting diluted acid preparing tank 2 simultaneously sets mixing time, it is to be mixed it is steady after, pass through display screen and start electricity
Dynamic membrane pump 6, open magnetic valve 203 and convey formic acid to dilute formic acid preparing tank 2, it is automatic to reach setting integrated flow magnetic valve 203
Close, and close electric diaphragm pump 6.The stirring of dilute formic acid preparing tank 2 stops after reaching the mixing time of setting, the preparation of dilute formic acid
Concentration is 2%~5%.Lab technician can sample detection, will match somebody with somebody acid concentration control in the range of R ± 0.2%.
Latex enters latex mixing channel 3 by lautertuns 301, and during latex is unloaded, staff's sampling judges glue
The degree of metamorphism of breast, and the dry content and ammon amount of latex are detected, judge whether that needs are diluted with water, whether are high ammonia latexs.
When latex will unsnatch, glue car driver needs to rinse glue tank, and staff also wants flushed filter pocket 301, flushing water and glue
Breast enters mixing channel in the lump.After unloading that glue finishes, all flushing processes terminate, outside operator notifies built-in function personnel's glue
Breast is unloaded end.Set the first time mixing time of latex blend tank 3 and start stirring, reach setting mixing time, stirring stops
Only.Liquid level numerical value is converted into current latex mixing channel 3 by the liquid level that the liquid level gauge 305 in latex blend tank 3 is shown, program
The weight of middle latex, according to the diluted concentration of latex requirement, calculate the dilution waters of needs.Outside operator carries out the simultaneously
Secondary latex sampling.According to testing result, calculate amount of water and the latex coagulation institute latex being diluted to needed for normal concentration
The total dosage of dilute formic acid needed.
Built-in function personnel's diluted latex is notified after outside operator's sampling.In-house operation personnel are used by opening dilution
Magnetic valve 303 in water lines starts to add dilution water into latex blend tank 3, while starts the stirring of mixing channel.When adding water
Magnetic valve 303 is closed when amount reaches thinned water cumulative amount, adds water to terminate, and stopping is stirred after reaching the stipulated time.According to latex
Liquid level numerical value is converted into the weight of latex in current latex blend tank 3 by the liquid level that the liquid level gauge of mixing channel 3 is shown, program, carries out
Next step latex coagulation operates.
The dilute formic acid prepared flows into latex distributing trough 4 by flowmeter metering according to the proportioning of latex by potential difference
In, the latex entered with cocurrent tentatively mixes.It is described below：When the butterfly valve of the outlet conduit of latex blend tank 3 is opened, control system
System opens the magnetic valve 206 of the blanking pipe of dilute formic acid preparing tank simultaneously, and magnetic valve 206 can be adjusted according to proportioning mode,
The pH of latex is controlled 4.1~4.7 after mixing.In the liquid level gauge low alarm of latex mixing channel 3, under dilute formic acid preparing tank
Material magnetic valve 206 is closed.Solidified in the latex coagulation groove 5 that latex in latex distributing trough 4 enters through lead-over groove.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area skill
Art personnel without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to the present invention
Technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention's
Any simple modifications, equivalents, and modifications that technical spirit is made to above example, belong to technical solution of the present invention
Protection domain.
Claims (6)
- A kind of 1. natural rubber system of processing, it is characterised in that including formic acid feed pot, dilute formic acid preparing tank, latex distributing trough, Latex coagulation groove and latex blend tank, described formic acid feed pot are connected with dilute formic acid preparing tank, described latex distributing trough point It is not connected with dilute formic acid preparing tank and latex blend tank；Described latex coagulation groove is connected with described latex blend tank；Described formic acid feed pot is provided with water-jet pump unit；Described latex blend tank is provided with latex lautertuns；Electric diaphragm pump is provided between described formic acid feed pot and described dilute formic acid preparing tank.
- 2. natural rubber system of processing according to claim 1, it is characterised in that described dilute formic acid preparing tank and described Latex blend tank be respectively arranged with agitator.
- 3. natural rubber system of processing according to claim 1, it is characterised in that described latex distributing trough and latex coagulate Gu lead-over groove is provided between groove.
- 4. according to the natural rubber system of processing described in claim any one of 1-3, it is characterised in that described dilute formic acid is prepared Tank is provided with liquid level gauge and liquid level display control warning device, and electromagnetism is provided between described dilute formic acid preparing tank and water inlet Valve；Described magnetic valve is electrically connected with the inflow in interlocked control dilute formic acid preparing tank with liquid level gauge.
- 5. natural rubber system of processing according to claim 4, it is characterised in that described electric diaphragm pump with it is described Flowmeter and magnetic valve are set between dilute formic acid preparing tank；Described dilute formic acid preparing tank is provided with described latex distributing trough Flowmeter and magnetic valve.
- 6. natural rubber system of processing according to claim 1, it is characterised in that described latex blend tank and water inlet Between be provided with flowmeter and magnetic valve；Described latex blend tank is provided with liquid level gauge and liquid level display control warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902143.0U CN206970514U (en) | 2017-07-24 | 2017-07-24 | A kind of natural rubber system of processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902143.0U CN206970514U (en) | 2017-07-24 | 2017-07-24 | A kind of natural rubber system of processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206970514U true CN206970514U (en) | 2018-02-06 |
Family
ID=61397474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902143.0U Active CN206970514U (en) | 2017-07-24 | 2017-07-24 | A kind of natural rubber system of processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206970514U (en) |
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2017
- 2017-07-24 CN CN201720902143.0U patent/CN206970514U/en active Active
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