CN109387534A - A kind of quenching liquid toxicity test device and method - Google Patents
A kind of quenching liquid toxicity test device and method Download PDFInfo
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- CN109387534A CN109387534A CN201811256609.XA CN201811256609A CN109387534A CN 109387534 A CN109387534 A CN 109387534A CN 201811256609 A CN201811256609 A CN 201811256609A CN 109387534 A CN109387534 A CN 109387534A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
Abstract
The invention discloses a kind of quenching liquid toxicity test devices, including quenching experimental apparatus and the gas collector and liquid withdrawal system that connect with quenching experimental apparatus；Quenching experimental apparatus includes for carrying the fixed device of the vessel of quenching liquid, the quenching part being connected on vessel, the heating device for heating quenching part and the temperature measuring equipment of measurement quenching part temperature；The fixed device of quenching part is scalable, and the fixed device of quenching part drives quenching part to move back and forth between the quenching liquid to be tested in heating device and vessel.Experimental rig and method of the invention is used to detect quenching liquid in the toxic gas and remaining harmful substance discharged by repeated hardening, can improve the Stability and veracity of test, test process is easily operated with real simulation quenching liquid in actual production environment；The device of the invention can carry out testing inspection to a variety of different quenching parts and quenching liquid, practical.
Description
Technical field
The invention belongs to gas and liquid toxicity detection technical fields, and in particular to a kind of quenching liquid toxicity test device and
Method.
Background technique
Hardening media is the important guarantee for implementing quenching technical process in metal quenching treatment, to the matter of workpiece after heat treatment
Amount influences very big.Currently, water-soluble polymer quenching liquid is a kind of novel quenching medium.Its cooling performance is good, cooling velocity is adjustable,
Applied widely, workpiece harden uniformly, can obviously reduce quenching distortion and tearing tendency.But quenching liquid is by repeatedly making
With rear, can generate aging, it is rotten phenomena such as, human body is constituted and is endangered, it is therefore desirable to which water-soluble polymer quenching liquid is pacified
Full inspection is surveyed.Currently used method is by collection in worksite liquid and to collect gas, is then fed into experiment and is detected.This mistake
Journey is complicated for operation, complex steps, and test period is long, at high cost.It is used to detect there is presently no a kind of correlation test device
The poisonous gas and remaining harmful substance that quenching liquid discharges in quenching process.
Summary of the invention
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of quenching liquid toxicity test device and sides
Method, the complex environment of real simulation quenching liquid in the actual production process, then again detects the quenching liquid after using, solution
The technologies such as certainly current quenching liquid service performance detection efficiency is low, test period is long, sampling precision is low, test result fluctuation is big are asked
Topic.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme:
A kind of quenching liquid toxicity test device is received including quenching experimental apparatus and the gas connecting with quenching experimental apparatus
Acquisition means and liquid withdrawal system；The quenching experimental apparatus includes for carrying the vessel of quenching liquid, being connected to appearance
The thermometric dress of the fixed device of quenching part on device ontology, the heating device for heating quenching part and measurement quenching part temperature
It sets；Liquid injection port, liquid outlet and gas outlet, the gas collector and the outlet are provided on the vessel
Mouth connection, the liquid withdrawal system are connect with the liquid outlet；The fixed device of the quenching part is scalable, quenching part
Fixed device drives quenching part to move back and forth between the quenching liquid to be tested in heating device and vessel.
Specifically, the fixed device of the quenching part includes that one end is provided with the tube body of opening and is arranged in the intracorporal shelves of pipe
Position adjusting rod, the open end of the tube body is docked at the oral area of vessel；The gear adjusting rod is L-type, gear tune
One end of pole is arranged along tube body, and the bottom at the end connects quenching part；The other end extends to outside tube body, on the tube body
It is provided with the sliding slot for the sliding of gear adjusting rod and the card slot of positioning.
Specifically, the open end of the tube body is provided with sealing cover, the sealing cover lid closes the mouth in vessel
Portion is provided with the through-hole passed through for gear adjusting rod, the sealing cover and gear adjusting rod for container on the sealing cover
Ontology is closed as closed cavity, and the heating device is arranged on closed cavity.
Specifically, the quenching part is plugged on the bottom of the gear adjusting rod by pin shaft.
Further, it is provided with and is isolated between the quenching liquid to be tested in vessel at the quenching part heating
Net, the aperture passed through for quenching part is provided on the separation net, and the size of aperture guarantees that quenching part does not touch separation net.
Specifically, the vessel is the ampuliform structure with slender neck, the heating device setting is being held
The neck location of device ontology.
Specifically, the heating device is electromagnetic induction heater, the temperature measuring equipment is infrared temperature measurement apparatus,
Temperature measuring equipment is arranged near heating device.
Further, the bottom of the vessel is set as the convex configuration to its inner hump.
The invention also discloses a kind of quenching liquid Toxicity test Methods, this method uses quenching liquid toxicity of the present invention
Experimental rig tests quenching liquid toxicity, method includes the following steps:
Step 1: preparing before quenching, close liquid injection port, liquid outlet and gas outlet, quenching part is fixed on the fixed dress of quenching part
It sets；Adjustment gear adjusting rod makes quenching part be located at heating region, opens liquid injection port, quenching to be tested is injected into vessel
Liquid injection port is closed after liquid to assigned scale depth；
Step 2: the heating period, opening gas outlet is discharged into the gas in vessel in gas collector, to container
In ontology after noresidue air, starting heating device heats quenching part, at the same temperature measuring equipment to the heating temperature of quenching part into
Row measurement, part to be quenched stop heating after being heated to its corresponding hardening heat；
Step 3: gear adjusting rod after stopping heating, is quickly adjusted to quenching shelves, soaks quenching part completely by hardening phase
Enter in quenching liquid to be tested, part temperature to be quenched drops to 40~60 DEG C, then the adjustment of gear adjusting rod is back to home position；
Step 4: after the completion of quenching, closing gas collector, start liquid recyclable device opens liquid outlet, and extraction is quenched
Liquid outlet is closed after fiery liquid, completes primary quenching test；
Step 5: when needing the test of many times of simulated annealing liquid, repeating from Step 2 to Step 4, different quenchings can be obtained
The quenching liquid of number.
Specifically, the pressure in the vessel after pumping is less than 1.3Pa, speed of exhaust 0.5L/min；It is described
Heating device frequency be 2.5kHz, specific power 2.65kW/cm2。
Compared with prior art, the beneficial effects of the present invention are:
Experimental rig and method of the invention is used to detect quenching liquid in the toxic gas and residual by repeated hardening release
The harmful substance stayed can improve the Stability and veracity of test with real simulation quenching liquid in actual production environment, test
Process is easily operated；The device of the invention can carry out testing inspection to a variety of different quenching parts and quenching liquid, practical.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Fig. 1 is the overall structure diagram of experimental rig of the invention.
Fig. 2 is the structural schematic diagram of the fixed device of quenching part of the invention.
Fig. 3 is the structural schematic diagram of sealing cover.
Fig. 4 is the connection schematic diagram of gear adjusting rod and quenching part.
Fig. 5 is the structural schematic diagram of separation net.
Each label indicates in figure are as follows: 1- vessel, the fixed device of 2- quenching part, and 3- heating device, 4- temperature measuring equipment,
5- gas collector, 6- liquid withdrawal system, 7- quenching part, 8- quenching liquid to be tested, 9- closed cavity, 10- pin shaft, 11-
Separation net, the first valve of 12-, the second valve of 13-, 14- third valve, 15- air pump；
(1-1)-liquid injection port, (1-2)-liquid outlet, (1-3)-gas outlet；
(2-1)-tube body, (2-2)-gear adjusting rod, (2-3)-sealing cover；
(2-2-1)-vertical hole, (2-2-2)-transverse holes, (2-3-1)-through-hole；
(11-1)-aperture.
Explanation is further explained in detail to particular content of the invention below in conjunction with the drawings and specific embodiments.
Specific embodiment
The following provides a specific embodiment of the present invention, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically referred to corresponding
It is defined on the basis of the drawing of attached drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figure 1, in one embodiment of the invention, a kind of quenching liquid toxicity test device includes quenching test dress
The gas collector 5 and liquid withdrawal system 6 set and connect with quenching experimental apparatus；Quenching experimental apparatus includes being used for
The vessel 1 for carrying quenching liquid, the quenching part being connected on vessel fix device 2, for the heating of heating quenching part
Device 3 and the temperature measuring equipment 4 for measuring quenching part temperature；Liquid injection port 1-1, liquid outlet 1-2 and outlet are provided on vessel 1
The upper position of vessel 1 is arranged in mouth 1-3, liquid injection port 1-1 and gas outlet 1-3, and vessel is arranged in liquid outlet 1-2
Bottom.Gas collector 5 is connect with gas outlet 1-3, and liquid withdrawal system 6 is connect with liquid outlet 1-2；Liquid injection port 1-1 and note
Liquid pipe road connects, and is provided with the first valve 12 on liquid injecting pipeline, liquid outlet pipe is connected on liquid outlet, is provided in liquid outlet pipe
Second valve 13 is connected with outlet pipe on the 1-3 of gas outlet, 14 air pump 15 of third valve is provided on outlet pipe.
The fixed device 2 of quenching part is scalable, and the fixed device 2 of quenching part drives quenching part 7 in heating device 3 and container sheet
Move back and forth between intracorporal quenching liquid to be tested 8.Wherein, as shown in Fig. 2, the fixed device 2 of quenching part is provided with including one end
In the intracorporal gear adjusting rod 2-2 of pipe, the open end of tube body 2-1 is docked at vessel 1 for the tube body 2-1 of opening and setting
Oral area；Gear adjusting rod 2-2 is L-type, and one end of gear adjusting rod 2-2 is arranged along tube body 2-1, and the bottom at the end connects quenching
Part 7；The other end extends to outside tube body 2-1, and the sliding slot for gear adjusting rod 2-2 sliding and positioning are provided on tube body 2-1
Card slot (does not mark) in figure.Wherein, two gears are formed by card slot on tube body 2-1, respectively heating gear and quenching gear.
Wherein, heating device 3 is electromagnetic induction heater, and temperature measuring equipment 4 is infrared temperature measurement apparatus, and temperature measuring equipment 4 is set
It sets near heating device 3.
Preferably, vessel 1 is the ampuliform structure with slender neck, and the neck of vessel is arranged in heating device 3
Portion position can reduce scattering and disappearing for heat in this way, improve the heating efficiency of quenching part.
Specifically, as shown in figures 1 and 3, the open end of tube body 2-1 is provided with sealing cover 2-3, sealing cover 2-3 lid is closed
The oral area of vessel 1, is provided with the through-hole 2-3-1 passed through for gear adjusting rod 2-2 on sealing cover 2-3, sealing cover 2-3 and
Vessel 1 is closed as closed cavity 9 by gear adjusting rod 2-2, and heating device 3 is arranged on closed cavity 9, by vessel
1 is set as sealing structure, ensure that heating efficiency.
Specifically, as shown in figure 4, quenching part 7 is plugged on the bottom of gear adjusting rod 2-2 by pin shaft 10.Specifically, shelves
The transverse holes 2-2-2 for being provided with the vertical hole 2-2-1 for the insertion of quenching part 7 on the adjusting rod 2-2 of position and being inserted into for pin shaft 10, quenching
The transverse holes 2-2-2 being inserted into for pin shaft 10 is also equipped on part 7, quenching part 7 is connected to gear by way of 10 grafting of pin shaft
The end adjusting rod 2-2, so that quenching part 7 can more need to dismantle installation.
Further, as shown in figure 5, in one embodiment of the invention, at the heating of quenching part 7 and in vessel
Quenching liquid to be tested 8 between be provided with separation net 11, the gas indiffusion that separation net can be such that hardening phase generates, and with mouth
Portion's heating device has certain isolation effect, is provided with the aperture 11-1 passed through for quenching part 7, aperture 11-1 on separation net 11
Size guarantee quenching part 7 do not touch separation net.Wherein, the mesh size of separation net 11-1 is 500 × 500nm, separation net
11-1 is connected on vessel wall by way of can installing welding or detachably.
Further, as shown in Figure 1, in one embodiment of the invention, the bottom of vessel 1 is set as to it
The bottommost of vessel 1 is arranged in liquid outlet by the convex configuration of inner hump, and this structure is convenient for discharge quenching liquid.
The invention also discloses a kind of quenching liquid Toxicity test Methods, this method be through the foregoing embodiment in experimental rig
Quenching liquid is tested, method includes the following steps:
Step 1: preparing before quenching, close liquid injection port 1-1, liquid outlet 1-2 and gas outlet 1-3, quenching part 7 is fixed on and is quenched
On the fixed device 2 of fiery part, sealing cover 2-3 lid is closed into the opening in vessel 1, forms seal chamber inside 3 vessel of formula
Body；Adjustment gear adjusting rod 2-2 makes quenching part 7 be located at heating region, opens liquid injection port 1-1, injects into vessel 1 to be measured
Liquid injection port 1-1 is closed after trying quenching liquid 8 to assigned scale depth；
Step 2: the heating period, opening gas outlet 1-3 and air pump 15 makes the gas in vessel 1 be discharged into gas collection dress
It sets in 5, continues the time of about 20s, after noresidue air in vessel 1, starting heating device 3 heats quenching part 7,
Wherein, heating time is 5~10s in the present embodiment, while temperature measuring equipment 4 measures the heating temperature of quenching part 7, wait quench
Fiery part 7 is heated to its corresponding hardening heat, and the hardening heat of No. 45 steel as used in the present embodiment is 850 DEG C, then stops
Only heat,
In the present embodiment, material used in the sample container ontology used is 2.23 ± 0.02g/cm of density3, thermally conductive system
Number: 1.2W × (m × K)-1, with a thickness of 1200 DEG C of high temp glass of 5mm, the frequency of the electromagnetic induction heater 3 used is
2.5kHz, specific power 2.65kW/cm2.The quenching part 7 used is No. 45 steel, and hardening heat is 850 DEG C.The quenching liquid used
For water-soluble polymer quenching liquid, 30 DEG C of liquid temperature, cooling rate is in 50~70 DEG C/s at being 850 DEG C in hardening heat.
Step 3: hardening phase, after stopping heating, gear adjusting rod 2-2 is adjusted to quench by quick (generally in 3~5s)
Fire screen is completely immersed in quenching part 7 in quenching liquid 8 to be tested, and 7 temperature of part to be quenched drops to 60 DEG C hereinafter, again adjusting gear
Bar 2-2 adjustment is back to home position, i.e. heating gear；
Step 4: after the completion of quenching, closing gas collector 5, start liquid recyclable device 6 is opened liquid outlet 1-2, mentioned
Liquid outlet 1-2 is closed after taking the quenching liquid of 10ml, completes primary quenching test, the used post analysis research of quenching liquid；
Step 5: when needing the test of many times of simulated annealing liquid, repeating from Step 2 to Step 4, different quenchings can be obtained
The quenching liquid of number.
Specific technical features described in the above specific embodiments, in the case of no contradiction, Ke Yitong
It crosses any suitable way to be combined, as long as it does not violate the idea of the present invention, should equally regard it as presently disclosed
Content.
Claims (10)
1. a kind of quenching liquid toxicity test device, which is characterized in that connect including quenching experimental apparatus and with quenching experimental apparatus
The gas collector (5) and liquid withdrawal system (6) connect；
The quenching experimental apparatus includes for carrying the vessel of quenching liquid (1), the quenching being connected on vessel
The temperature measuring equipment (4) of part fixed device (2), the heating device (3) for heating quenching part and measurement quenching part temperature；
Liquid injection port (1-1), liquid outlet (1-2) and gas outlet (1-3), the gas are provided on the vessel (1)
Collection device (5) is connect with the gas outlet (1-3), and the liquid withdrawal system (6) and the liquid outlet (1-2) are even
It connects；
The quenching part fixed device (2) is scalable, and quenching part fixed device (2) drives quenching part (7) in heating device (3)
Move back and forth between the quenching liquid to be tested (8) in vessel.
2. quenching liquid toxicity test device as described in claim 1, which is characterized in that the quenching part is fixed device (2)
One end is provided with the tube body (2-1) of opening and is arranged in the intracorporal gear adjusting rod (2-2) of pipe, the tube body (2-1)
Open end be docked at the oral area of vessel (1)；The gear adjusting rod (2-2) is L-type, gear adjusting rod (2-2)
One end is arranged along tube body (2-1), and the bottom at the end connects quenching part (7)；The other end extends to tube body (2-1) outside, described
Tube body (2-1) on be provided with for gear adjusting rod (2-2) sliding sliding slot and positioning card slot.
3. quenching liquid toxicity test device as claimed in claim 2, which is characterized in that the open end of the tube body (2-1)
It is provided with sealing cover (2-3), the sealing cover (2-3) lid closes the oral area in vessel (1), the sealing cover (2-3)
On be provided with the through-hole (2-3-1) passed through for gear adjusting rod (2-2), the sealing cover (2-3) and gear adjusting rod (2-2)
Vessel (1) is closed as closed cavity (9), the heating device (3) is arranged on closed cavity (9).
4. quenching liquid toxicity test device as claimed in claim 2, which is characterized in that the quenching part (7) passes through pin shaft
(10) it is plugged on the bottom of the gear adjusting rod (2-2).
5. quenching liquid toxicity test device as described in claim 1, which is characterized in that at described quenching part (7) heating with
It is provided with separation net (11), is provided on the separation net (11) for quenching between quenching liquid to be tested (8) in vessel
The aperture (11-1) that fiery part (7) passes through, the size of aperture (11-1) guarantee that quenching part does not touch separation net.
6. quenching liquid toxicity test device as described in claim 1, which is characterized in that the vessel (1) be with
The neck location of vessel is arranged in the ampuliform structure of slender neck, the heating device (3).
7. quenching liquid toxicity test device as described in claim 1 or 6, which is characterized in that the heating device (3) is electricity
Metal-magnetic needle, the temperature measuring equipment (4) are infrared temperature measurement apparatus, and temperature measuring equipment (4) setting is attached in heating device (3)
Closely.
8. quenching liquid toxicity test device as described in claim 1, which is characterized in that the bottom of the vessel (1)
It is set as the convex configuration to its inner hump.
9. a kind of quenching liquid Toxicity test Methods, which is characterized in that this method uses claim 1 to 8 any claim institute
The quenching liquid toxicity test device stated tests quenching liquid toxicity, method includes the following steps:
Step 1: preparing before quenching, close liquid injection port (1-1), liquid outlet (1-2) and gas outlet (1-3), quenching part (7) are fixed
On quenching part fixed device (2)；Adjustment gear adjusting rod (2-2) makes quenching part (7) be located at heating region, opens liquid injection port
(1-1) closes liquid injection port (1-1) after injection quenching liquid (8) to assigned scale depth to be tested into vessel (1)；
Step 2: the heating period, opening gas outlet (1-3) is discharged into the gas in vessel (1) in gas collector (5),
After the interior noresidue air of vessel (1), quenching part (7) are heated in starting heating device (3), while temperature measuring equipment (4) is right
The heating temperature of quenching part (7) measures, and part (7) to be quenched stops heating after being heated to its corresponding hardening heat；
Step 3: gear adjusting rod (2-2) after stopping heating, is quickly adjusted to quenching shelves, keeps quenching part (7) complete by hardening phase
It is immersed in quenching liquid to be tested (8) entirely, part (7) temperature to be quenched drops to 40~60 DEG C, then gear adjusting rod (2-2) is adjusted back
To home position；
Step 4: it after the completion of quenching, closes gas collector (5), start liquid recyclable device (6), opens liquid outlet (1-2),
Liquid outlet (1-2) is closed after extracting quenching liquid, completes primary quenching test；
Step 5: when needing the test of many times of simulated annealing liquid, repeating from Step 2 to Step 4, different quenching times can be obtained
Quenching liquid.
10. quenching liquid Toxicity test Methods as claimed in claim 9, which is characterized in that pumping in the vessel (1)
Pressure afterwards is less than 1.3Pa, speed of exhaust 0.5L/min；The frequency of the heating device (3) is 2.5kHz, and specific power is
2.65kW/cm2。
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| CN201811256609.XA CN109387534B (en) | 2018-10-26 | 2018-10-26 | Quenching liquid toxicity test device and method |
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Cited By (1)
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| CN111398336A (en) * | 2020-02-27 | 2020-07-10 | 南京科润工业介质股份有限公司 | Quenching medium cooling performance's on-line monitoring system |
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