CN206011534U - Tyre vulcanization hot plate steam pipework draining system - Google Patents

Tyre vulcanization hot plate steam pipework draining system Download PDF

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Publication number
CN206011534U
CN206011534U CN201620728253.5U CN201620728253U CN206011534U CN 206011534 U CN206011534 U CN 206011534U CN 201620728253 U CN201620728253 U CN 201620728253U CN 206011534 U CN206011534 U CN 206011534U
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China
Prior art keywords
stop valve
type liquid
hot plate
conducting type
level switch
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Withdrawn - After Issue
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CN201620728253.5U
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Chinese (zh)
Inventor
黄秀华
赖腾敏
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Zhongce Rubber Group Co Ltd
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Zhongce Rubber Group Co Ltd
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Priority to CN201620728253.5U priority Critical patent/CN206011534U/en
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Publication of CN206011534U publication Critical patent/CN206011534U/en
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Abstract

The utility model is related to field of tire production, more particularly to a kind of tyre vulcanization hot plate steam pipework draining system and its application.The utility model system includes that condensation drum, PLC control system, stop valve, condensation drum exit arrange stop valve control break-make, be connected with throttle orifice after stop valve;Condensation drum includes staving, staving is provided with entery and delivery port, the first conducting type liquid-level switch is provided with the top of staving, the delivery port upper side wall of staving is provided with the second conducting type liquid-level switch, the level electrode induction point A of the first conducting type liquid-level switch is arranged on the top of the level electrode induction point B of the second conducting type liquid-level switch, first conducting type liquid-level switch, the second conducting type liquid-level switch are connected to PLC control system, PLC control system connection the first stop valve of control.The utility model can be avoided because of internal leakage and the huge consuming of caused steam, and scraps the generation of tire caused by interior blocking, be a kind of hydrophobic mode of indirect energy saving.

Description

Tyre vulcanization hot plate steam pipework draining system
Technical field
The utility model is related to field of tire production, more particularly to a kind of tyre vulcanization hot plate steam pipework draining system and Which is applied.
Background technology
The vulcanization of rubber is that rubber macromolecule occurs chemical reaction under heating with crosslinking agent sulphur, and crosslinking becomes solid netted The process of structure, tyre vulcanizing are the key links in tyre production technology, and the heat needed for it passes through two kinds by steam Mode passes to fetus, and a kind of by hot plate, (die sleeve or steamer pass to mould, and then mould directly heats fetus, this kind of heat Exchange steam and be referred to as outer temperature steam;Another kind is indirectly transferred to fetus by capsule, and this kind of heat exchange steam is referred to as interior temperature Steam.How outer temperature steam accomplishes that efficient utilization is related to a lot of aspects, except insulation is carried out in terms of, steam supply saturation degree side The aspects such as face, steam drainage are outer, in addition it is also necessary to emphatically the steam drainage mode of the outer temperature of hot plate type vulcanizer is comprehensively studied Analysis, the pros and cons of all kinds of modes of comparison, it is ensured that the efficient utilization of steam.
In actual production, the 70% of the about whole quantity of steam of quantity of steam used in sulfuration, how to improve, optimize sulphur process pair Save energy, improves environment, further reduces the beneficial way that steam consumption is reduces cost.In the prior art, hot plate type The trapping method adopted by tyre vulcanizer has aperture to arrange, and hydrophobic, regularly hydrophobic and drain valve is hydrophobic (generally to be dredged using reverse bucket Water valve, discharging condensed water not in time, reduces can the temperature of outer temperature, affect tire quality.
By Experimental comparison, the hydrophobic energy-conservation of the hydrophobic mode ratio timing of reverse bucket type, while also meet technique to temperature control Require.However, in actual production work, the hydrophobic mode of reverse bucket type there is also following many problems:
1st, internal leakage problem:Generally hydrophobic valve outlet port is connected to condensed water by pipeline and returns house steward, so leads to not straight Observation drain valve break-make situation is connect, also cannot just judge that drain valve, with the presence or absence of internal leakage, when drain valve sealing surface wear or has When foreign matter is blocked, it is impossible to find in time, hydrophobic state is discharged similar to aperture, so cause waste of steam bigger.
2nd, interior blockage problem:Drain valve inner discharge orifices very little, generally only 3mm or so, block when there is foreign matter in pipeline During discharge orifice, cause blocked drain, outer temperature can be caused to report to the police, unqualified tire is produced.
3rd, the slow problem of chill intensification after shutting down:After the factors such as plan stopping production are shut down, hot plate temperature is reduced to normal temperature, such as needs When heating again, as hot plate temperature is low, the condensation water quantity of generation is big, and the discharge orifice of drain valve 3mm can not rapidly discharge heat Condensed water in plate, hot plate heat up slow.
Content of the invention
In order to solve above-mentioned technical problem, a purpose of the present utility model is to provide a kind of tyre vulcanization hot plate steam Pipeline draining system, another purpose of the present utility model are to provide above-mentioned systematic difference.Of the present utility model hydrophobic System can be avoided because of internal leakage and the huge consuming of caused steam, and it is that a kind of flexibility is controllable to compare other several hydrophobic modes Hydrophobic mode, is a kind of hydrophobic mode of indirect energy saving.
In order to realize that the first above-mentioned purpose, the utility model employ following technical scheme:
Tyre vulcanization hot plate steam pipework draining system, the system include condensation drum, PLC control system, the first stop valve, Condensation drum connects hot plate end outlet, and condensation drum exit arranges the first stop valve control break-make, and connection after the first stop valve sets There is first segment discharge orifice;Described condensation drum includes that staving, the top of staving are provided with water inlet, and bottom is provided with delivery port, The first conducting type liquid-level switch is provided with the top of staving, the delivery port upper side wall of staving is provided with the second conducting type liquid level and opens Close, the level electrode induction point A of the first conducting type liquid-level switch is arranged on the level electrode sensing of the second conducting type liquid-level switch The top of point B, described the first conducting type liquid-level switch, the second conducting type liquid-level switch are connected to PLC control system, PLC Control system connection the first stop valve of control.
Used as further improving, the aperture of described first segment discharge orifice is 2~4mm.
Used as further improving, the system also includes that the second stop valve, the second stop valve are connected with the second throttle orifice, the Two stop valves are in parallel with the first stop valve, and the aperture of the second throttle orifice is more than first segment discharge orifice, and the second stop valve is by PLC controls system System control.Used as further improving, the aperture of described first segment discharge orifice is 2~4mm, the aperture of the second throttle orifice is 6~ 10mm.
As further improving, the upper and lower height in the position of the level electrode induction point of described the first conducting type liquid-level switch Degree can be adjusted.
Used as further improving, the caliber of described condensation drum is the liquid level difference of 40~80mm, induction point A and induction point B For 150~300mm.
In order to realize that above-mentioned second purpose, the utility model employ following technical scheme:
The control method of tyre vulcanization hot plate steam pipework draining system, the method are steamed using above-mentioned tyre vulcanization hot plate Vapor pipeline draining system, the control method comprise the following steps:When induction point A, 2 points of equal condensation by contact water of induction point B, The conducting type liquid-level switch closing of contact, inputs a signal into PLC control system, and after PLC control system control condensation drum, first cuts The opening of disconnected valve, liquid level decline, and induction point A points depart from condensed water, and conducting type liquid-level switch resets and disconnects, PLC control system control Make the closing of the first stop valve.
Tyre vulcanization hot plate steam pipework draining system internal leakage alarm method, the method is using above-mentioned tyre vulcanization heat Plate steam pipework draining system, the method comprise the following steps:Induction point A and induction point B all the time cannot condensation by contact water, lead Electric-type liquid-level switch can not be closed, and PLC control system input signal is invalid;When outer temperature steam enters, the corresponding liquid of PLC control system The input point of bit switch double in 3 minutes without input signal, PLC triggers alarm signal, completes to work as front tyre in sulfuration After embryo, before the problem is not solved, follow-up fetus is not allowed to be vulcanized.
Blocking alarm method in tyre vulcanization hot plate steam pipework draining system, its method adopt above-mentioned tyre vulcanization Hot plate steam pipework draining system, the method comprise the following steps:There is blocking in the first segment discharge orifice of the first cut-out valve outlet port, Induction point A and induction point B condensation by contact water all the time, conducting type liquid-level switch can not disconnect, and PLC control system input signal has Effect;When outer temperature steam enters, the input point of the corresponding liquid-level switch of PLCPLC control systems also have in 5 minutes input in continuous discharge Signal, PLCPLC control systems trigger alarm signal, when current fetus is vulcanized, prevent warning tire, by PLC controls system System the second stop valve of emergency opening, is timed hydrophobic, it is ensured that tire is qualified;To, before the problem is not solved, not allowing Follow-up fetus is vulcanized.
The method that chill is rapidly heated after the shutdown of tyre vulcanization hot plate, it is characterised in that the method adopts above-mentioned tire sulphur Change hot plate steam pipework draining system, the method comprises the following steps:End is monitored by the platinum resistance thermometer sensor, of hot plate end to steam Stripping temperature, when temperature is less than 120 DEG C, PLC control system controls the second stop valve and opens, and is forced by the second throttle orifice Heat up, while the air in the initial stage of discharge preheating hot plate, is rapidly heated.
, as a result of above-mentioned technical scheme, tyre vulcanization hot plate steam pipework draining system can be right for the utility model Whole hydrophobic process carries out real-time monitoring, reports to the police with internal leakage, the function such as interior blocking is reported to the police, chill is rapidly heated.Can keep away Exempt from because of internal leakage and the huge consuming of caused steam, and caused by interior blocking, scrap the generation of tire, compare other several hydrophobic Mode is a kind of controllable hydrophobic mode of flexibility, is a kind of hydrophobic mode of indirect energy saving.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of system of the present utility model.
System structure diagrams of the Fig. 2 for condensation drum.
Fig. 3 is the control method figure of PLC system of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is made a detailed explanation.
Embodiment 1
Tyre vulcanization hot plate steam pipework draining system as shown in Figure 1, tyre vulcanization hot plate steam pipework draining system, The system includes that condensation drum 2, PLC control system, the first stop valve 3 and the second stop valve 4,1 end of the connection hot plate of condensation drum 2 go out Mouthful, the caliber of condensation drum 2 is 50mm.2 exit of condensation drum arranges the control break-make of the first stop valve 3, connects after the first stop valve 3 It is provided with first segment discharge orifice 5;Second stop valve 4 is connected with the second throttle orifice 6, and the second stop valve 4 is in parallel with the first stop valve 3, The aperture of the second throttle orifice 6 is more than first segment discharge orifice 5, and the aperture of first segment discharge orifice 5 is 3mm, and the aperture of the second throttle orifice 6 is 8mm.As shown in Fig. 2 described condensation drum 2 includes that staving, the top of staving are provided with water inlet 21, bottom is provided with delivery port 22, the first conducting type liquid-level switch 23, the level electrode induction point of the first conducting type liquid-level switch 23 is provided with the top of staving The upper and lower height in position can adjust.The 22 upper side wall of delivery port of staving is provided with the second conducting type liquid-level switch 24, first The level electrode induction point A of conducting type liquid-level switch 23 is arranged on the level electrode induction point B of the second conducting type liquid-level switch 24 Top, the liquid level difference of induction point A and induction point B is 200mm.Described the first conducting type liquid-level switch 23, the second conducting type Liquid-level switch 24 is connected to PLC control system, PLC control system connection the first stop valve 3 of control and the second stop valve 4.
Embodiment 2
The control method of tyre vulcanization hot plate steam pipework draining system, the tyre vulcanization hot plate of the method embodiment 1 are steamed Vapor pipeline draining system, the control method comprise the following steps:When induction point A, 2 points of equal condensation by contact water of induction point B, The conducting type liquid-level switch closing of contact, inputs a signal into PLC control system, and after PLC control system control condensation drum 2, first cuts The opening of disconnected valve 3, liquid level decline, and induction point A points depart from condensed water, and conducting type liquid-level switch resets and disconnects, PLC control system control Make the first stop valve 3 to close.
Embodiment 3
Tyre vulcanization hot plate steam pipework draining system internal leakage alarm method, tire sulphur of the method using embodiment 1 Change hot plate steam pipework draining system, the method comprises the following steps:When there is internal leakage in the stop valve for condensing bucket outlet, May result in condensed water in condensation drum to gather, induction point A and induction point B all the time cannot condensation by contact water, conducting type liquid level Switch can not be closed, and PLC control system input signal is invalid;So designing in PLC program:When outer temperature steam enters, PLC is controlled The input point of the corresponding liquid-level switch of system double in 3 minutes without input signal, PLC triggers alarm signal, at the same Touch-screen shows " warm hydrophobic triggering failure, checks stop valve internal leakage outward ", after sulfuration completes current fetus, does not have in the problem Before having solution, follow-up fetus is not allowed to be vulcanized.
Embodiment 4
Blocking alarm method in tyre vulcanization hot plate steam pipework draining system, the method is using the wheel described in embodiment 1 Tire vulcanizes hot plate steam pipework draining system, and the method comprises the following steps:When blocking occur in cut-out valve outlet port 3mm throttle orifices When, condensation dilutional hyponatremia accumulation in condensation drum is may result in, there is blocking, induction point A and induction point in cut-out valve outlet port 3mm throttle orifices B condensation by contact water all the time, conducting type liquid-level switch can not disconnect, and PLC control system input signal is effective;When outer temperature steam enters When, the input point of the corresponding liquid-level switch of PLCPLC control systems also have in 5 minutes input signal in continuous discharge, and PLCPLC is controlled System trigger alarm signal, when current fetus is vulcanized, prevents warning tire, while showing in touch-screen " warm hydrophobic multiple outward Position failure, checks stop valve blocking ", by the second stop valve of PLC control system emergency opening 4, it is timed hydrophobic, it is ensured that wheel Tire is qualified;To, not allowing follow-up fetus to be vulcanized before the problem is not solved.
Embodiment 5
The method that chill is rapidly heated after the shutdown of tyre vulcanization hot plate, the method is using the tyre vulcanization described in embodiment 1 Hot plate steam pipework draining system, the method comprise the following steps:As hot plate is normal temperature, when steam enters hot plate, return Absorbed heat by hot plate in a large number, produce substantial amounts of condensed water, when hot plate heats up, end is monitored by the platinum resistance thermometer sensor, of hot plate end and is steamed Stripping temperature, when temperature is less than 120 DEG C, PLC control system controls the second stop valve 4 and opens, and is carried out by force by the second throttle orifice 6 System heats up, while the air in the initial stage of discharge preheating hot plate, is rapidly heated.
Experimental comparison's example
In same time period, Experimental comparison is carried out to the hydrophobic mode of liquid level and the hydrophobic mode of reverse bucket type successively, real Proved recipe method is consistent with said method, as a result as follows:
1st, inverted bucket trap mode (using certain import brand), PLC design temperatures are 183 DEG C, treat that temperature tends to steady After fixed, recording instrument without paper is recorded with lower curve.
2nd, the hydrophobic mode of 1 liquid level of embodiment, PLC design temperatures are 183 DEG C, in condensation drum during condensed water elimination, in order to the greatest extent Amount reduces excessive superheated water in hot plate and takes out of, and drain discharge form is changed, and using discontinuous form of export, reduces Flow velocity, reduces taking out of for superheated water.Control form is as shown in Figure 3.After temperature tends towards stability, recording instrument without paper record is following Curve.
After waiting temperature stablizes 30 minutes, the condensed water and steam discharged are collected, are collected often for 7 minutes, weight Multiple three collections, the temperature monitored by two kinds of hydrophobic modes, the condensed water that discharges and quantity of steam statistics:
From the point of view of above-mentioned statistics, when the hydrophobic mode of reverse bucket type and the hydrophobic mode normal work of liquid level, temperature control Precision processed can meet technological requirement, while hydrophobic amount is closely, which kind of is more energy efficient simply to compare both, and regardless of primary Secondary, but as the hydrophobic mode of liquid level has level monitoring and PLC control functions, so in actual applications, intelligent control can be accomplished System.

Claims (6)

1. tyre vulcanization hot plate steam pipework draining system, it is characterised in that the system includes condensation drum(2), PLC control system With the first stop valve(3), condensation drum(2)Connection hot plate(1)End outlet, condensation drum(2)Exit arranges the first stop valve(3) Control break-make, the first stop valve(3)After be connected with first segment discharge orifice(5);Described condensation drum(2)Including staving, staving Top is provided with water inlet(21), bottom is provided with delivery port(22), the first conducting type liquid-level switch is provided with the top of staving (23), in the delivery port of staving(22)Upper side wall is provided with the second conducting type liquid-level switch(24), the first conducting type liquid level opens Close(23)Level electrode induction point A be arranged on the second conducting type liquid-level switch(24)Level electrode induction point B top, institute The the first conducting type liquid-level switch that states(23), the second conducting type liquid-level switch(24)PLC control system is connected to, PLC is controlled System connection the first stop valve of control(3).
2. tyre vulcanization hot plate steam pipework draining system according to claim 1, it is characterised in that:The system also includes Second stop valve(4), the second stop valve(4)It is connected with the second throttle orifice(6), the second stop valve(4)With the first stop valve(3) Parallel connection, the second throttle orifice(6)Aperture be more than first segment discharge orifice(5), the second stop valve(4)By PLC control system control.
3. tyre vulcanization hot plate steam pipework draining system according to claim 1, it is characterised in that:First segment discharge orifice (5)Aperture be 2 ~ 4mm.
4. tyre vulcanization hot plate steam pipework draining system according to claim 2, it is characterised in that:First segment discharge orifice (5)Aperture be 2 ~ 4mm, the second throttle orifice(6)Aperture be 6 ~ 10mm.
5. the tyre vulcanization hot plate steam pipework draining system according to claim 1 or 2 or 3 or 4, it is characterised in that:The One conducting type liquid-level switch(23)The upper and lower height in position of level electrode induction point can adjust.
6. the tyre vulcanization hot plate steam pipework draining system according to claim 1 or 2 or 3 or 4, it is characterised in that:Cold Solidifying bucket(2)Caliber for 40 ~ 80mm, induction point A and induction point B liquid level difference be 150 ~ 300mm.
CN201620728253.5U 2016-07-06 2016-07-06 Tyre vulcanization hot plate steam pipework draining system Withdrawn - After Issue CN206011534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620728253.5U CN206011534U (en) 2016-07-06 2016-07-06 Tyre vulcanization hot plate steam pipework draining system

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Application Number Priority Date Filing Date Title
CN201620728253.5U CN206011534U (en) 2016-07-06 2016-07-06 Tyre vulcanization hot plate steam pipework draining system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965732A (en) * 2016-07-06 2016-09-28 中策橡胶集团有限公司 Drainage system for steam pipeline of vulcanization hot plate and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965732A (en) * 2016-07-06 2016-09-28 中策橡胶集团有限公司 Drainage system for steam pipeline of vulcanization hot plate and application thereof

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AV01 Patent right actively abandoned

Granted publication date: 20170315

Effective date of abandoning: 20190118

AV01 Patent right actively abandoned