CN209456522U - A kind of protection gas for bimetallic composite wood Equipment for Heating Processing fills row's equipment - Google Patents
A kind of protection gas for bimetallic composite wood Equipment for Heating Processing fills row's equipment Download PDFInfo
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- CN209456522U CN209456522U CN201921397618.0U CN201921397618U CN209456522U CN 209456522 U CN209456522 U CN 209456522U CN 201921397618 U CN201921397618 U CN 201921397618U CN 209456522 U CN209456522 U CN 209456522U
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- heating processing
- air pressure
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- 238000012545 processing Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 239000002023 wood Substances 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 110
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 75
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 39
- 238000000137 annealing Methods 0.000 claims description 38
- 230000001932 seasonal effect Effects 0.000 claims description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a kind of protection gas for bimetallic composite wood Equipment for Heating Processing and fills row's equipment, including the first valve being arranged between protection gas feed end and the protection gas interface of Equipment for Heating Processing, for measuring the air pressure measuring apparatus of air pressure in Equipment for Heating Processing, it further includes the second valve that protection gas, which fills row's equipment, third valve, the entrance of first valve, the outlet of second valve, the entrance of the third valve is connected with each other, the entrance of second valve is connect with the protection gas feed end, the outlet of the third valve, the outlet of first valve is connect with the protection gas interface of Equipment for Heating Processing, the aperture of the third valve is adjustable.Row's protection gas equipment is filled using the utility model, air pressure fluctuation is very small in Equipment for Heating Processing, can aoxidize to avoid strip surface and surface is turned blue, while decrease the usage amount and power consumption of nitrogen.
Description
Technical field
The utility model relates to a kind of equipment for filling row's protection gas, more particularly to a kind of bimetallic composite wood that is used for be heat-treated
The equipment for filling row's protection gas automatically of equipment.
Background technique
At present both at home and abroad saw factory's household in the equipment that composite wood is annealed all be well annealing furnace or bell-type annealing furnace,
Annealing furnace is divided into two parts of furnace internal-lining and bell, and workpiece is placed in liner, aoxidizes in production process in order to prevent.
Existing equipment is annealed with positive pressure of nitrogen protected mode, i.e., guarantees in annealing process in annealing furnace with protection
The conduct that gas (nitrogen) is higher than atmospheric pressure is protected.As shown in Figure 1, nitrogen valve is always on after the completion of vacuum pump vacuumizes,
Protective gas is poured into annealing furnace.When furnace inner gas pressure is higher than 5.0kpa, nitrogen exhaust valve is opened, protection gas is passed through
The discharge of nitrogen exhaust valve, disconnects nitrogen exhaust valve, during disconnecting nitrogen exhaust valve, nitrogen valve is always again when being discharged to 2.0kpa
It opens, nitrogen is always maintained at air-suction state, continues within 24 hours air inlet continuous discharge nitrogen again for a long time in process of production, makes
Nitrogen consumption is very big, and cause the waste of the costs such as other electric power, and existing equipment was being heated up due to annealing furnace
It is uneven that denitrogen gas control system is filled in journey, causes in-furnace temperature uneven, and will result directly in body surface has oxidation and with body surface
It turns blue.And in existing apparatus open vacuum pump, open nitrogen valve be filled with nitrogen, open nitrogen drain tap discharge nitrogen it is equal
Manual operation by workers need to be relied on, automated procedures are not high.Similarly, row's protection is filled in existing bimetallic composite wood Equipment for Heating Processing
For gas generally by manually being controlled, there is also fill row's protection non-uniform problem of gas control system.
Utility model content
Problem to be solved in the utility model is to be directed in bimetallic composite wood Equipment for Heating Processing in the prior art to fill row guarantor
The non-uniform problem of control for protecting gas provides a kind of protection gas for bimetallic composite wood Equipment for Heating Processing and fills row's equipment.
In order to solve the above technical problems, the technical solution adopted in the utility model is: one kind is for bimetallic composite wood heat
The protection gas of processing equipment fills row's equipment, including being arranged between protection gas feed end and the protection gas interface of Equipment for Heating Processing
First valve, the air pressure measuring apparatus for measuring air pressure in Equipment for Heating Processing further include the second valve, third valve；
The entrance of first valve, the outlet of second valve, the entrance interconnection of the third valve, it is described
The entrance of second valve is connect with the protection gas feed end, and the outlet of the third valve, the outlet of first valve are equal
It is connect with the protection gas interface of Equipment for Heating Processing.Preferably, the aperture of the third valve is adjustable.Aperture is adjustable be meant that through
The gas flow size for crossing third valve is adjustable.
Row's equipment is filled compared to original protection gas, the gas fill port of a protection gas is increased in the utility model, i.e.,
The access that second valve, third valve are constituted.When needing to inflate in heat treated equipment after vacuumizing, the first valve, second
Valve is open state, gets a promotion in the flow of the protection gas inflation degree very big with speed, can be full of nitrogen in retort quickly
Gas.When the pressure that the gas pressure in air pressure measuring apparatus measurement Equipment for Heating Processing is kept close to needs, then the first valve is
Closed state, and the second valve is open state.By the way that the adjustable third valve of aperture is preset or is adjusted, nitrogen
The flow being filled in retort is controlled by third valve, flow trim and aeration speed is slow, will not be to the pressure in retort
There is very big impact, very big mobility will not be generated.When pressure reaches the pressure value for needing to keep in Equipment for Heating Processing
When, the second valve is in off state, to accurately control very much the pressure value in retort.
Further, the protection gas fills row's equipment further include:
Control unit is that seasonal first valve of the first atmospheric pressure value p1 and the second valve are equal for working as air pressure in Equipment for Heating Processing
For open state, and when in Equipment for Heating Processing air pressure be that seasonal first valve of the second atmospheric pressure value p2 is in off state, and at heat
Air pressure is in off state in reason equipment for seasonal second valve of third atmospheric pressure value p3, and p1 < p2 < p3；
The control terminal of first valve, the control terminal of the second valve are electrically connected with the output end of control unit respectively, heat
The output end of air pressure measuring apparatus is electrically connected with the input terminal of control unit in processing equipment；
Described control unit is integrated in air pressure measuring apparatus or described control unit, air pressure measuring apparatus are mutually indepedent
Setting.
In the utility model, by above-mentioned setting, the automatic control that control unit realizes gas replenishment process can use.
When the second valve is open state, the third valve is open state；When the second valve is in off state,
The third valve is open state or closed state.
When the second valve is open state, gas successively passes through the second valve, third valve enters in Equipment for Heating Processing,
Therefore it needs to keep third valve to be open state.When the first valve, the second valve are open state, third valve is also
Open state, gas enter Equipment for Heating Processing by two passes.When the first valve is in off state, the second valve opening state
When, third valve is open state, and the channel where gas passes through third valve enters Equipment for Heating Processing.
When the second valve is in off state, gas can not enter the first pipeline, therefore third valve from protection gas feed end
To open or close state, the state of third valve will not have an impact door.
Further, it further includes the 4th valve that the protection gas, which fills row's equipment,；
The entrance of 4th valve and the protection gas interface of Equipment for Heating Processing connect, the outlet of the 4th valve and outer
Boundary communicates；
Described control unit is also used to when air pressure is seasonal 4th valve of the 4th atmospheric pressure value p4 in Equipment for Heating Processing be unlatching
State, and working as atmospheric pressure value in Equipment for Heating Processing is that seasonal 4th valve of the 5th atmospheric pressure value p5 is in off state, p3 < p5 < p4.
In the utility model, by above-mentioned setting, it can be enabled when temperature, which increases, leads to pressure rising in Equipment for Heating Processing
4th valve is open state, is outwardly exhausted, and when being vented to pressure and meeting the requirements, and enables the 4th valve to close shape
State guarantees that furnace pressure is in a certain range.
Further, it further includes vacuum pump, the 5th valve that the protection gas, which fills row's equipment,.
The entrance of 5th valve and the protection gas interface of Equipment for Heating Processing connect, the outlet of the 5th valve and true
Sky pump connection；
Described control unit is also used to when air pressure is seasonal 5th valve of the first atmospheric pressure value p1 in Equipment for Heating Processing be closing
State and vacuum pump is enabled to stop working.
In the utility model, by above-mentioned setting, it can reach to close when specified vacuum is spent in Equipment for Heating Processing and take out very
Null device realizes energy conservation.
Further, the control terminal of the third valve is electrically connected with control unit.
In the utility model, by above-mentioned setting, can the aperture in process of production to third valve be adjusted, with
So that the air pressure adjustment in Equipment for Heating Processing is more accurate.
Further, gas flowmeter is provided between second valve and protection gas feed end.
Further, described control unit is integrated in air pressure measuring apparatus, and the air pressure measuring apparatus is vacuum pressure
Switch.
Further, the model ZSE40A of the vacuum pressure switch.
Further, it is nitrogen or hydrogen that the protection gas, which fills the protection gas that row's equipment uses,.
Further, the number of the protection gas interface of the Equipment for Heating Processing is 1.
Since the sealing requirements of Equipment for Heating Processing are higher, the opening that Equipment for Heating Processing is arranged in the utility model is
One, the protection gas interface of multiple Equipments for Heating Processing is avoided to impact its leakproofness.
Further, the Equipment for Heating Processing is annealing furnace or tempering furnace.
The utility model has the advantages and positive effects of: row's equipment is filled using the protection gas of the utility model, at heat
It is very small to manage air pressure fluctuation in equipment, can be aoxidized to avoid strip surface and surface is turned blue, while decrease the use of nitrogen
Amount and power consumption.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the structural schematic diagram that protection gas fills row's equipment in the prior art.
Fig. 2 is the structural schematic diagram that the protection gas of the utility model embodiment fills row's equipment.
The circuit connection when air pressure measuring apparatus and control unit that Fig. 3 is the utility model embodiment are arranged independently of each other
Block diagram.
Fig. 4 is the circuit connection diagram when control unit of the utility model embodiment is integrated in control unit.
Fig. 5 is physical circuit connection schematic diagram when control unit is integrated in air pressure measuring apparatus in a kind of embodiment
A part.
Fig. 6 is another part of the physical circuit connection schematic diagram of Fig. 5.
In above-mentioned attached drawing, the 1, first valve, the 2, second valve, 3, third valve, the 4, the 4th valve, the 5, the 5th valve, 6,
Air pressure measuring apparatus, the 61, first pressure vacuum gauge, the 62, second pressure vacuum gauge, 7, vacuum pump, 8, flowmeter, the 9, first pipe
Road, 91, safety valve, 10, annealing furnace, 101, protection gas interface, 20, controller, 30, protection gas feed end, 401, manually adjust
Valve, 402, nitrogen valve, 403, nitrogen exhaust valve, 404, vacuum gas discharge valve, 405, pressure vacuum gauge, 50, voltage transformation module,
501, the first pin, 502, second pin, 503, third pin, the 504, the 4th pin, 60, MES system, arrow direction in Fig. 1
Indicate that protection gas fills nitrogen airintake direction in row's equipment in the prior art, arrow direction indicates the utility model embodiment in Fig. 2
Protection gas fill row equipment in nitrogen airintake direction.
Specific embodiment
Below in conjunction with the attached drawing of the application, the technical scheme in the embodiment of the application is clearly and completely described,
Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Based in the application
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the application protection.
In the embodiments of the present invention, using annealing furnace 10 as Equipment for Heating Processing for, be specifically introduced.This field
Technical staff is used for tempering furnace or other Equipments for Heating Processing it is also to be understood that the protection gas of the utility model can be filled to row's equipment
In.
The pressure values being related in the utility model are opposite pressure values when standard atmospheric pressure being seen as 0kpa.This
In utility model, retort is identical as the meaning of annealing furnace 10.
As shown in figures 2-6, the utility model provides a kind of protection gas for bimetallic composite wood annealing furnace and fills row's equipment,
Including the first valve 1 of protection gas feed end and annealing furnace 10 protected between gas interface 101 is arranged in, for measuring annealing furnace
The air pressure measuring apparatus 6 of air pressure in 10 further includes the second valve 2, third valve 3.In the utility model, protection is filled with into furnace
Gas, the protection gas interface 101 that discharge protection gas passes through annealing furnace 10 out of furnace carry out.
Protection gas feed end can be connect with the outlet end of protection gas gas source.
The entrance of first valve 1, the outlet of second valve 2, the entrance interconnection of the third valve 3,
The entrance of second valve 2 connect with the protection gas feed end, the outlet of the third valve 3, first valve 1
Outlet is connect with the protection gas interface 101 of annealing furnace 10.Preferably, the aperture of the third valve 3 is adjustable.
Protection gas fills row's equipment further include:
Control unit 20 is seasonal first valve 1 of the first atmospheric pressure value p1 and the second valve 2 for working as air pressure in annealing furnace 10
For open state, and when in annealing furnace 10 air pressure be that seasonal first valve 1 of the second atmospheric pressure value p2 is in off state and enables the second valve
Door 2 is open state, and when air pressure is seasonal first valve 1 of third atmospheric pressure value p3 in annealing furnace 10 and the second valve 2 is to close
Closed state, and p1 < p2 < p3；
The output end of the control terminal of first valve 1, the control terminal of the second valve 2 respectively with control unit 20 is electrically connected
It connects, the output end of air pressure measuring apparatus 6 is electrically connected with the input terminal of control unit 20 in annealing furnace 10；
Described control unit 20 is integrated in air pressure measuring apparatus 6 or described control unit 20,6 phase of air pressure measuring apparatus
Mutually it is independently arranged.
When the second valve 2 is open state, the third valve 3 is open state；When the second valve 2 is in off state
When, the third valve 3 is open state or closed state.In a preferred embodiment, third valve 3 can be protected always
Hold open state.
It further includes vacuum pump 7, the 5th valve 5 that protection gas, which fills row's equipment,.
The entrance of 5th valve 5 is connect with the protection gas interface 101 of annealing furnace 10, the outlet of the 5th valve 5
It is connect with vacuum pump 7；
Described control unit 20 is also used to when air pressure is seasonal 5th valve 5 of the first atmospheric pressure value p1 in annealing furnace 10 be closing
State, and vacuum pump 7 is enabled to stop working (such as control unit 20 power supply that vacuum pump can be cut off).
It further includes the 4th valve 4 that protection gas, which fills row's equipment,.
The entrance of 4th valve 4 is connect with the protection gas interface 101 of annealing furnace 10, the outlet of the 4th valve 4
It communicates with the outside world.
Described control unit 20 is also used to when air pressure is seasonal 4th valve 4 of the 4th atmospheric pressure value p4 in annealing furnace 10 be unlatching
State, and working as atmospheric pressure value in annealing furnace 10 is that seasonal 4th valve 4 of the 5th atmospheric pressure value p5 is in off state, p3 < p5 < p4.
The control terminal of the third valve 3 is electrically connected with control unit 20.
Gas flowmeter 8 is provided between second valve 2 and protection gas feed end.
When described control unit 20 is integrated in air pressure measuring apparatus 6, the air pressure measuring apparatus 6 is opened for vacuum pressure
It closes.Preferably, air pressure measuring apparatus 6 has pressure value display unit.
The model ZSE40A of the vacuum pressure switch.
It is nitrogen or hydrogen that the protection gas, which fills the protection gas that row's equipment uses,.
First valve 1, the second valve 2, the 4th valve 4, the 5th valve 5 are solenoid valve, the type of the solenoid valve
Number be 25 NC of RSV.
The protection gas is nitrogen or hydrogen.
In a preferred embodiment, p1=- 98kPA, p2=3.2kPA, p3=3.4kPA, p4=3.8kPA, p5=
3.6kPA。
In a preferred embodiment, the number of the protection gas interface 101 of the annealing furnace 10 is 1.
It includes the first pipeline 9, a protection gas interface 101 of the first pipeline 9 and annealing furnace that the protection gas, which fills row's equipment,
Connection, the outlet of third valve 3, the outlet of first valve 1, the entrance of the 4th valve 4, the 5th valve 5 entrance with
First pipeline 9 connection, to be connect by the first pipeline 9 with one protection gas interface 101 of annealing furnace 10.Barometric surveying
Device 6 is also connect with the first pipeline 9, to be detected by the air pressure to the first pipeline 9, is realized to the gas in annealing furnace 10
Pressure is detected.Safety valve 91 is also connected on first pipeline 9.
In the utility model, the control terminal of the first valve 1, the control terminal of the second valve 2, third valve 3, the 4th valve 4
Control terminal, the control terminal of the 5th valve 5 is electrically connected with the output end of control unit 20 respectively.Monolithic can be used in control unit 20
TMS320F2812 can be used in machine or DSP, such as control unit, is electrically connected using its GPIO mouthfuls of control terminal respectively with each valve
It connects.
The output end of air pressure measuring apparatus 6 is electrically connected with the input terminal of control unit 20.
In a preferred embodiment, air pressure measuring apparatus 6 includes the first pressure vacuum gauge 61, the second pressure vacuum gauge
62.The setup pressure value of first pressure vacuum gauge 61 respectively -98kPA, 3.2kPA, 3.4kPA, the second pressure vacuum gauge 62
Setup pressure value is respectively 3.6kPA, 3.8kPA.The flowchart process for being heat-treated nitrogen is as follows:
Bell is covered into locking first, then starting vacuumizes, when the first pressure vacuum gauge 61 measures vacuum degree in retort
When reaching -98KPA, the first pressure vacuum gauge 61 outputs signal to control unit 20, and control unit 20 disconnects the electricity of vacuum pump 7
Source, and disconnect the 5th valve 5, and start signal output the first valve 1 and the second valve 2, toward retort in conveying protect gas (can be with
It is nitrogen or other protection gas) when pressure vacuum gauge 1 detects that furnace pressure inside the tank reaches 3.2KPA, output signal to control
Unit 20, control unit 20 control the first valve 1 and close.Second valve 2 continues to be filled with nitrogen in retort, when furnace pressure inside the tank
When reaching 3.4KPA, the first pressure vacuum gauge 61 outputs signal to control unit 20, and control unit 20 controls the second valve 2 and closes
It closes.
In annealing process, when retort pressure keeps 3.4KPA constant, furnace pressure inside the tank will as the temperature rises
Rise, when pressure is raised to 3.8KPA, the first pressure vacuum gauge 61 detects pressure value, to output signal to control unit
20, control unit 20 opens the 4th valve 4, and when pressure is discharged to 3.6KPA, pressure vacuum gauge 2 outputs signal to control unit
20, control unit 20 controls the 4th valve 4 and closes.
When annealing furnace starts to cool down, and pressure value is lower than 3.2kPA in retort, 62 output signal of the second pressure vacuum gauge
To control unit 20, controls the second valve 2 and open, when reaching 3.4kPA, and the second valve 2 is closed.
When the second valve 2 is opened, and the first valve 1 is closed, nitrogen is filled with the flow in retort and is controlled by third valve 3
System, flow trim and aeration speed is slow will not have very big impact to the pressure in retort, will not generate very big
Mobility.After the first valve 1 is opened, equal to the pipeline for increasing an inflated with nitrogen in retort, the flow and speed of nitrogen
Get a promotion in very big degree, thus exhaust the first valve 1 after vacuum, the second valve 2 is opened together, can be filled quickly in retort
Full nitrogen.When stationary value of the pressure close to 3.5kPA, the first valve 1 is turned off when reaching 3.2KPA, and the second valve 2 is kept to beat
It opens, annealing furnace 10 is inflated using the channel that the second valve 2, third valve 3 are constituted, passes through the aperture to third valve 3
It is set, or is adjusted in gas replenishment process, thus, it is possible to accurately control very much the pressure value in retort.
In annealing process, if the pressure in annealing furnace 10 is less than the value of setting, the second valve 2, third valve 3 are utilized
The channel of composition is inflated annealing furnace 10, also can be very good steadily to control the pressure value in retort.
Air pressure measuring apparatus 6 detects the pressure of setting, signal is exported to control unit, control unit is again to each valve
Door is controlled, this belongs to the routine operation of this field, it will be appreciated by those skilled in the art that.
As shown in figure 4, air pressure measuring apparatus 6 includes the first pressure vacuum gauge 61, the second pressure vacuum gauge 62, if control is single
Member 20 is integrated in air pressure measuring apparatus 6, then it is single to be integrated with control for the first pressure vacuum gauge 61, the second pressure vacuum gauge 62
Member.Three output ends of the first pressure vacuum gauge 61 connect with the control terminal of the first valve 1, the second valve 2, the 5th valve 5 respectively
It connects；Second pressure vacuum gauge 62 is connect with the control terminal of the 4th valve 4.First pressure vacuum gauge 61, the second pressure vacuum gauge 62
Preferably vacuum pressure switch.ZSE40AF-01-T-M can be used in the model of vacuum pressure switch.The output of pressure vacuum gauge
Number determines that those skilled in the art can select concrete model according to actual needs according to practical model.
In one embodiment, model RSV 25 NC, 0-10bar, 506661 of solenoid valve.Gas flowmeter
Model MF5712-N-200.
In one embodiment, regulating valve, such as pneumatic control valve, electric control valve can be used in third valve.It adjusts
Valve is well known to those skilled in the art device, can select concrete model according to actual needs.
In the utility model, annealing furnace cover intake and exhaust pipeline is modified, again type selecting high temperature resistant High-accuracy electromagnetic valve, precision
For the pressure vacuum gauge, the second valve 2 and nitrogen stream meter of 0.1mpa, pipeline is redesigned and is laid out, intake and exhaust control system
System is all made of program with vacuum meter etc. and is associated with automatic control.
It is shown in Fig. 5, Fig. 6 in a kind of embodiment, control unit 20 is integrated in the physical circuit in air pressure measuring apparatus 6
Connection schematic diagram.First pressure vacuum gauge 61, the second pressure vacuum gauge 62 model be vacuum pressure switch ZSE40, Fig. 5,
Fig. 6 is two parts of the same circuit respectively.In figure, two output ends OUT1, OUT2 of the first pressure vacuum gauge 61 are right respectively
Cut-offfing for switch K0.3, K0.2 is controlled, to control the on-off of electromagnetic valve KM2, KM1.Second vacuum pressure
Two output ends OUT1, OUT2 of table 62 respectively control cut-offfing for switch K3.0, K2.0, thus to electromagnetic valve KM4,
The on-off of KM3 is controlled.The voltage transformation module 50 of Fig. 5, Fig. 6 are the same component.The connection relationship of Fig. 5, Fig. 6 can refer to
First pin 501 of voltage transformation module 50, second pin 502, the mark of third pin 503, the 4th pin 504 in figure.Figure
5, in Fig. 6, KM2, KM3, KM4 correspond respectively to the first valve 1, the second valve 2, the 4th valve 4.KM1 is the 5th valve 5.
Voltage transformation module 50 is used to AC 220V voltage being converted to DC 24V voltage.Electricity in the prior art can be used
Source conversion module, such as Switching Power Supply are realized.In embodiment shown in Fig. 6, TPC1261HII is touch screen, to MES system
60, third valve 3, flowmeter 8 are controlled.Wherein, MES system 60 is intelligent manufacturing system, which can be according to actually moving back
The working condition of stove, is produced, manufacturing process, and connection in this way can collect the data of equipment, learns that equipment makes
With situation, learn equipment consumption situation, thus also can remote layout scheduling of production, to realize intelligence manufacture.Flowmeter 8
Model MF5712-N-200.Third valve 3 uses TP motor-operated control valve.
In figure, it is believed that two pressure vacuum gauges and TPC1261HII collectively form air pressure measuring apparatus 6, and common execution
The control function for filling row's equipment of the utility model.
It is passed through gas in compared with the prior art into furnace always, the utility model will not be passed through always gas, reduce
The risk of valve blockage is easy to cause when filling exhaust body for a long time.And due in furnace air pressure keep in a certain range,
Reduce the sealing requirements to other positions in pipeline and furnace.In addition, due to fill row protection gas control so that filling row
Gas is more uniform, reduces and fills the exhaust unevenly influence caused by annealing in-furnace temperature, also reduces to various instrument damages
Risk.
By verifying, test data shows obviously save nitrogen after nitrogen fills the transformation of exhaust for the equipment of the utility model
Usage amount, improved 1 furnace composite wood nitrogen usage amount be only before 1 furnace nitrogen usage amount 40%；Improved 1 furnace is compound
Material electricity consumption be before 1 furnace electricity consumption 91.5%；The number for filling exhaust body is substantially reduced, and high-temp waste gas obtains obviously in workshop
Improve；The device of the utility model can realize automatic operation, while Various types of data information obtains effective monitoring.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to equalization made by the scope of the utility model
Change and improve etc., it shall still fall within the scope of this patent.After having read the utility model, those skilled in the art
Member each falls within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.It is not rushing
In the case where prominent, the feature in the embodiments of the present invention and embodiment be can be combined with each other.
Claims (8)
1. a kind of protection gas for bimetallic composite wood Equipment for Heating Processing fills row's equipment, including setting in protection gas feed end and
The first valve (1) between the protection gas interface of Equipment for Heating Processing, the barometric surveying for measuring air pressure in Equipment for Heating Processing fill
Set (6), it is characterised in that: further include the second valve (2), third valve (3)；
The outlet of entrance, second valve (2) of first valve (1), the entrance of the third valve (3) mutually interconnect
It connects, the entrance of second valve (2) is connect with the protection gas feed end, the outlet of the third valve (3), described first
The outlet of valve (1) is connect with the protection gas interface of Equipment for Heating Processing；
The protection gas fills row's equipment further include:
Control unit (20) is seasonal first valve (1) of the first atmospheric pressure value p1 and the second valve for working as air pressure in Equipment for Heating Processing
Door (2) is open state, and is to close shape when air pressure is seasonal first valve (1) of the second atmospheric pressure value p2 in Equipment for Heating Processing
State, the second valve (2) are open state, and in the Equipment for Heating Processing air pressure be seasonal first valve (1) of third atmospheric pressure value p3 and
Second valve (2) is in off state, and p1 < p2 < p3；
When the second valve (2) are open state, the third valve (3) is open state；
When the second valve (2) is in off state, the third valve (3) is open state or closed state；
Output end of the control terminal, the control terminal of the second valve (2) of first valve (1) respectively with control unit (20) is electrically connected
It connects, the output end of air pressure measuring apparatus (6) is electrically connected with the input terminal of control unit (20) in Equipment for Heating Processing；
Described control unit (20) is integrated in air pressure measuring apparatus (6) or described control unit (20), air pressure measuring apparatus
(6) mutually indepedent setting；
It further includes the 4th valve (4) that the protection gas, which fills row's equipment,
The entrance of 4th valve (4) and the protection gas interface of Equipment for Heating Processing connect, the outlet of the 4th valve (4) with
Atmosphere communicates；
Described control unit (20) is also used to when air pressure is seasonal 4th valve (4) of the 4th atmospheric pressure value p4 in Equipment for Heating Processing be to open
State is opened, and working as atmospheric pressure value in Equipment for Heating Processing is that seasonal 4th valve (4) of the 5th atmospheric pressure value p5 is in off state, p3 < p5 <
p4。
2. protection gas according to claim 1 fills row's equipment, which is characterized in that further include vacuum pump (7), the 5th valve
(5),
The entrance of 5th valve (5) and the protection gas interface of Equipment for Heating Processing connect, the outlet of the 5th valve (5) with
Vacuum pump (7) connection；
Described control unit (20) is also used to when air pressure is seasonal 5th valve (5) of the first atmospheric pressure value p1 in Equipment for Heating Processing be to close
Closed state and vacuum pump (7) is enabled to stop working.
3. protection gas according to claim 1 fills row's equipment, which is characterized in that the control terminal of the third valve (3) with
Control unit (20) electrical connection.
4. protection gas according to any one of claim 1-3 fills row's equipment, which is characterized in that work as described control unit
(20) be integrated in air pressure measuring apparatus (6) it is interior when, the air pressure measuring apparatus (6) be vacuum pressure switch.
5. protection gas according to claim 4 fills row's equipment, which is characterized in that the model of the vacuum pressure switch
ZSE40A。
6. protection gas according to any one of claim 1-3 fills row's equipment, which is characterized in that the protection gas fills row and sets
The standby protection gas used is nitrogen or hydrogen.
7. protection gas according to any one of claim 1-3 fills row's equipment, which is characterized in that the Equipment for Heating Processing
The number for protecting gas interface is 1.
8. protection gas according to any one of claim 1-3 fills row's equipment, which is characterized in that the Equipment for Heating Processing is
Annealing furnace or tempering furnace.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397618.0U CN209456522U (en) | 2019-08-27 | 2019-08-27 | A kind of protection gas for bimetallic composite wood Equipment for Heating Processing fills row's equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397618.0U CN209456522U (en) | 2019-08-27 | 2019-08-27 | A kind of protection gas for bimetallic composite wood Equipment for Heating Processing fills row's equipment |
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|---|---|
| CN209456522U true CN209456522U (en) | 2019-10-01 |
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ID=68048428
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172371A (en) * | 2020-01-16 | 2020-05-19 | 成都航宇超合金技术有限公司 | Method for reducing depth of metal depleted layer on surface of part |
-
2019
- 2019-08-27 CN CN201921397618.0U patent/CN209456522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172371A (en) * | 2020-01-16 | 2020-05-19 | 成都航宇超合金技术有限公司 | Method for reducing depth of metal depleted layer on surface of part |
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