CN113913731A - Press-in type controllable atmosphere generating device - Google Patents
Press-in type controllable atmosphere generating device Download PDFInfo
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- CN113913731A CN113913731A CN202111340292.XA CN202111340292A CN113913731A CN 113913731 A CN113913731 A CN 113913731A CN 202111340292 A CN202111340292 A CN 202111340292A CN 113913731 A CN113913731 A CN 113913731A
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- liquid storage
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- storage pot
- methyl alcohol
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
Abstract
The utility model provides a controllable atmosphere generating device of forced, make the feed inlet of methyl alcohol liquid storage pot and acetone liquid storage pot upper end fill the dress system through respective chemical penetrant and communicate with methyl alcohol bucket and acetone bucket respectively, be equipped with liquid level monitoring devices on methyl alcohol liquid storage pot and the acetone liquid storage pot, methyl alcohol liquid storage pot and acetone liquid storage pot top are equipped with safe subassembly, safe early warning subassembly, pressure measurement subassembly and nitrogen gas supply subassembly of ventilating, methyl alcohol liquid storage pot and acetone liquid storage pot bottom are through non return supply line and a plurality of carburizing furnace intercommunication. According to the invention, by optimizing the supply structure of the chemical penetrant into the carburizing furnace and introducing pressure nitrogen, the liquid in the methanol liquid storage tank and the acetone liquid storage tank flows through the equipment according to the stable flow, so that the chemical penetrant can be stably and accurately supplied into the carburizing furnace under the controllable flow, the problem of unstable flow of methanol and acetone in the carburizing process is solved, the distance between a methanol and acetone supply area and surrounding buildings meets the requirements of relevant standards, and the occurrence of safety accidents is prevented.
Description
Technical Field
The invention belongs to the technical field of heat treatment, and particularly relates to a press-in type controllable atmosphere generating device.
Background
The controlled atmosphere carburization is a heat treatment process consisting of three processes of decomposing chemical carburizer to produce active carbon atoms, absorbing the carbon atoms by the surface of a workpiece and diffusing the carbon atoms into the workpiece. The controlled atmosphere carburization is a complex physical and chemical process carried out in a solid state and is also a metallurgical process of atomic diffusion, the diffusion trend is always from the outside to the inside, the diffusion speed is slow, the diffusion time is long, and the composition structure and the performance are gradually reduced from the outside to the inside. The traditional controllable atmosphere generating device mainly adopts a high-pressure-difference drip-feed structure, and drops into the furnace for decomposition by means of the dead weight of the carburizing agent, the control of furnace gas pressure and carbon potential in the furnace is more complex than the control of carburizing temperature and heat preservation time, and the carbon content on the surface of a workpiece, the concentration gradient of a carburized layer, the hardness gradient, the depth of the carburized layer and the like can be effectively controlled only by accurately controlling the change of the furnace gas pressure and the carbon potential in the furnace, so that the performance, the service life and the reliability of the workpiece are obviously improved.
Because methanol and acetone are inflammable and explosive, if a liquid storage tank in a high-level differential pressure drip-type structure is placed near equipment, safety accidents are easily caused; if the liquid storage tank is placed at a safe distance meeting the national standard, methanol and acetone are subjected to the action of pipeline resistance in the flowing process, and the energy is reduced, so that the liquid storage tank must be placed at a higher position to make up for the lost energy.
Disclosure of Invention
The technical problems solved by the invention are as follows: the utility model provides a controllable atmosphere generating device of forced in, through optimizing the supply structure of chemical penetrant in to the carburizing furnace, introduce pressure nitrogen gas and make the liquid in methyl alcohol liquid storage pot and the acetone liquid storage pot flow through equipment according to stable flow, thereby realize that the chemical penetrant under the controllable flow stabilizes accurate supply to the carburizing furnace, the problem of carburization in-process methyl alcohol, the acetone flow is unstable has been solved, make methyl alcohol, the distance of acetone supply area apart from building on every side accord with relevant standard requirement, the emergence of incident has been prevented.
The technical scheme adopted by the invention is as follows: controllable atmosphere generating device of forced, including methyl alcohol liquid storage pot, acetone liquid storage pot, the feed inlet of methyl alcohol liquid storage pot and acetone liquid storage pot upper end fills the system and communicates with methyl alcohol bucket and acetone bucket respectively through respective chemical penetrant, be equipped with the liquid level monitoring device that is used for carrying out the monitoring to the height liquid level of jar interior liquid on methyl alcohol liquid storage pot and the acetone liquid storage pot, methyl alcohol liquid storage pot and acetone liquid storage pot top are equipped with the safe subassembly of ventilating that is used for nitrogen gas emission, prevent that jar interior liquid from overcharging safe early warning subassembly, the pressure measurement subassembly that is used for monitoring internal pressure of jar and are used for letting in pressure nitrogen gas's nitrogen gas supply subassembly to jar internal portion, methyl alcohol liquid storage pot and acetone liquid storage pot bottom are through non return supply line and a plurality of carburizing furnace intercommunication.
Wherein, the nitrogen gas supply assembly includes the nitrogen gas supply pipe, the air inlet at methyl alcohol liquid storage pot and acetone liquid storage pot top all is connected with the nitrogen gas supply pipe, install the stop valve on the nitrogen gas supply pipe, and nitrogen gas supply pipe tip and nitrogen gas supply system intercommunication.
Furthermore, the chemical penetrant filling system comprises a delivery pump, a connecting pipe and a delivery pipe, wherein the inlet end of the delivery pump is connected with one end of the connecting pipe, the connecting pipe is connected with one end of a metal hose through a quick-change connector, the other end of the metal hose in the chemical penetrant filling system connected with the methanol liquid storage tank is communicated with the methanol barrel, the other end of the metal hose in the chemical penetrant filling system connected with the acetone liquid storage tank is communicated with the acetone barrel, and the connecting pipe is connected with a Y-shaped filter and a stop valve; conveyer pipe one end is connected with the pump outlet end, with the chemical penetrant that the methyl alcohol liquid storage pot is connected fills the feed inlet that the conveyer pipe other end and methyl alcohol liquid storage pot upper end in the dress system are connected to the chemical penetrant that the methyl alcohol liquid storage pot is connected, with the chemical penetrant that the acetone liquid storage pot is connected fills the feed inlet that the conveyer pipe other end and the acetone liquid storage pot upper end in the dress system are connected, the pipeline both ends of conveyer pipe all are equipped with the stop valve and locate the check valve on the conveyer pipe and lie in between two stop valves, be connected with the branch road pipe on the conveyer pipe, install the manometer that is used for monitoring conveyer pipe inside fluid pressure on the mouth of pipe of installing ball valve and branch road pipe on the branch road pipe.
Further, liquid level monitoring device includes high-order monitoring subassembly and low level monitoring subassembly, high-order monitoring subassembly and low level monitoring subassembly all include fairlead and level gauge, all be equipped with on methyl alcohol liquid storage pot and the acetone liquid storage pot jar body upper end lateral wall and draw forth fairlead one end in interface and the high level monitoring subassembly and draw forth the interface and link firmly the switch-on through the flange, the fairlead one end in methyl alcohol liquid storage pot and the acetone liquid storage pot jar body bottom all is equipped with drain pipe and the low level monitoring subassembly and draws forth the interface of drain pipe upper end and link firmly the switch-on through the law, be equipped with the stop valve on the fairlead, and the level gauge is installed on the fairlead other end mouth of pipe.
Further, the safe ventilation assembly comprises a ventilation pipe and a flame arrester, ventilation interfaces at the tops of the methanol liquid storage tank and the acetone liquid storage tank are respectively communicated with the lower ends of the corresponding ventilation pipes, a ball valve is installed at the lower part of the ventilation pipe, the flame arrester is installed at the upper end pipe orifice of the ventilation pipe, and a safety valve is installed on the ventilation pipe.
Further, the safety early warning assembly comprises a guide pipe and a bleeding valve, overflow ports at the tops of the methanol liquid storage tank and the acetone liquid storage tank are connected with the guide pipe, a stop valve and the bleeding valve are mounted on the guide pipe, and the guide pipe is communicated with an overflow groove corresponding to the material.
Further, pressure measurement subassembly includes manometer I, methanol liquid storage pot and acetone liquid storage pot jar body top are equipped with rather than the pressure-measuring pipe of inside intercommunication and are equipped with the ball valve on the pressure-measuring pipe, manometer I is installed on the pressure-measuring pipe port.
Further, the non return supply line includes check valve I and drain pipe, all be equipped with check valve I on the drain pipe that methyl alcohol liquid storage pot and acetone liquid storage pot jar body bottom set up, be equipped with a plurality of ball valves that distribute in I business turn over of check valve on the drain pipe, a plurality of liquid outlets of drain pipe communicate with the carburizing furnace that corresponds respectively.
Compared with the prior art, the invention has the advantages that:
1. according to the technical scheme, the supply structure of the chemical penetrant into the carburizing furnace is optimized, and pressure nitrogen is introduced to enable liquid in the methanol liquid storage tank and the acetone liquid storage tank to flow through equipment according to stable flow, so that the chemical penetrant can be stably and accurately supplied into the carburizing furnace under the controllable flow;
2. the chemical penetrating agent methanol and acetone designed by the technical scheme has a compact supply structure to the carburizing furnace, and can meet the requirements of arrangement integration, structure lightening and material localization;
3. according to the technical scheme, the safe ventilation assembly, the safe early warning assembly and the pressure measuring assembly are arranged at the tops of the methanol liquid storage tank and the acetone liquid storage tank, so that potential safety hazards caused by over-charging of a chemical permeating agent are avoided while smooth discharge of gas in the tanks in a liquid filling process is ensured, the internal part of the tanks is ensured to be in a safe and reliable pressure range, and the safety and reliability are improved;
4. the technical scheme solves the problem of unstable flow of methanol and acetone in the carburizing process, so that the distance between a methanol and acetone supply area and surrounding buildings meets the requirements of related standards, safety accidents are prevented, energy is saved, emission is reduced, safety and reliability are realized, and the requirements of related national standards are met;
5. this technical scheme has improved the stability of penetrant flow, has reduced the energy damage, has guaranteed the quality of product, and the operation of being convenient for only needs the operator to attend to the control of nitrogen pressure, methyl alcohol and acetone flow in the processing.
Drawings
Fig. 1 is a schematic structural diagram of the principle of the present invention.
Detailed Description
In the following, an embodiment of the present invention is described with reference to fig. 1, so as to clearly and completely describe the technical solution, it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The pressure-in type controllable atmosphere generating device comprises a methanol liquid storage tank 1 and an acetone liquid storage tank 2, wherein feed inlets at the upper ends of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are respectively communicated with a methanol barrel 3 and an acetone barrel 4 through respective chemical penetrant filling systems, liquid level monitoring devices for monitoring the high and low liquid levels of liquid in the tanks are arranged on the methanol liquid storage tank 1 and the acetone liquid storage tank 2, a safety ventilation assembly for nitrogen emission, a safety early warning assembly for preventing the over-filling of the liquid in the tanks, a pressure measurement assembly for monitoring the pressure in the tanks and a nitrogen supply assembly for introducing pressure nitrogen into the tanks are arranged at the tops of the methanol liquid storage tank 1 and the acetone liquid storage tank 2, and the bottoms of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are communicated with a plurality of carburizing furnaces through non-return supply pipelines; in the structure, by optimizing the supply structure of the chemical penetrant into the carburizing furnace and introducing pressure nitrogen, the liquid in the methanol liquid storage tank 1 and the acetone liquid storage tank 2 flows through the equipment according to stable flow, so that the chemical penetrant can be stably and accurately supplied into the carburizing furnace under the controllable flow; the top parts of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are provided with the safety ventilation assembly, the safety early warning assembly and the pressure measuring assembly, so that potential safety hazards caused by over-charging of a chemical permeating agent are avoided while smooth discharge of gas in the tanks in the liquid filling process is ensured, the internal part of the tank is ensured to be in a safe and reliable pressure range, and the safety and reliability are improved;
the nitrogen supply assembly has the following specific structure: the nitrogen supply assembly comprises a nitrogen supply pipe 25, the air inlets at the tops of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are both connected with the nitrogen supply pipe 25, the nitrogen supply pipe 25 is provided with a stop valve 10, and the end part of the nitrogen supply pipe 25 is communicated with a nitrogen supply system; the arrangement of the structure provides conditions for stable supply of methanol and acetone into the carburizing furnace;
the specific structure of the chemical permeating agent filling system is as follows: the chemical penetrant filling system comprises a delivery pump 5, a connecting pipe 6 and a delivery pipe 7, wherein the inlet end of the delivery pump 5 is connected with one end of the connecting pipe 6, the connecting pipe 6 is connected with one end of a metal hose 8 through a quick-change connector 15, the other end of the metal hose 8 in the chemical penetrant filling system connected with the methanol liquid storage tank 1 is communicated with the methanol barrel 3, the other end of the metal hose 8 in the chemical penetrant filling system connected with the acetone liquid storage tank 2 is communicated with the acetone barrel 4, and a Y-shaped filter 9 and a stop valve 10 are connected to the connecting pipe 6; delivery pipe 7 one end is connected with 5 exit ends of delivery pump, with the chemical penetrant of 1 connection of methyl alcohol liquid storage pot fills the feed inlet of the delivery pipe 7 other end and the 1 upper end of methyl alcohol liquid storage pot in the system and is connected, with the chemical penetrant of 2 connections of acetone liquid storage pot fills the feed inlet of the delivery pipe 7 other end and the 2 upper ends of acetone liquid storage pot in the system and is connected, the pipeline both ends of delivery pipe 7 all are equipped with stop valve 10 and locate check valve 11 on the delivery pipe 7 and lie in between two stop valves 10, be connected with branch way pipe 12 on the delivery pipe 7, install the manometer 14 that is used for monitoring the inside fluid pressure of delivery pipe 7 on the mouth of pipe of installing ball valve 13 and branch way pipe 12 on the branch way pipe 12, guarantee methyl alcohol and acetone feed structure's pressure at safe and reliable's within range, avoid the phenomenon of inside fluid reflux.
The liquid level monitoring device has the following specific structure: the liquid level monitoring device comprises a high-level monitoring assembly and a low-level monitoring assembly, the high-level monitoring assembly and the low-level monitoring assembly respectively comprise an eduction tube 16 and a liquid level meter 17, the side walls of the upper ends of the tank bodies of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are respectively provided with an eduction interface, one end of the eduction tube 16 in the high-level monitoring assembly is fixedly connected and communicated with the eduction interface through a flange, the bottom parts of the tank bodies of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are respectively provided with a liquid outlet tube 18, one end of the eduction tube 16 in the low-level monitoring assembly is fixedly connected and communicated with the eduction interface at the upper end of the liquid outlet tube 18 through a method, the eduction tube 16 is provided with a stop valve 10, and the liquid level meter 17 is arranged on the tube orifice at the other end of the eduction tube 16; in the above-mentioned structure, can observe the internal liquid level height of jar at any time, when level gauge 17 in the high-order monitoring subassembly detected the internal liquid level of jar to the 90% of jar body height, delivery pump 5 stopped the feed liquor, effectively avoids the too high potential safety hazard that brings of pressure.
The specific structure of the safety vent assembly is as follows: the safety ventilation assembly comprises a ventilation pipe 19 and a flame arrester 20, ventilation interfaces at the tops of the tank bodies of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are respectively communicated with the lower end of the corresponding ventilation pipe 19, a ball valve 13 is mounted at the lower part of the ventilation pipe 19, the flame arrester 20 is mounted at the upper end pipe orifice of the ventilation pipe 19, and a safety valve 21 is mounted on the ventilation pipe 19; the gas in the tank body can be safely and reliably discharged when the liquid is filled;
the specific structure of the safety early warning assembly is as follows: the safety early warning assembly comprises a guide pipe 23 and a bleeding valve 22, overflow ports at the tops of the methanol liquid storage tank 1 and the acetone liquid storage tank 2 are both connected with the guide pipe 23, a stop valve 10 and the bleeding valve 22 are mounted on the guide pipe 23, and the guide pipe 23 is communicated with an overflow groove corresponding to a material; in the structure, when the pressure in the tank body exceeds the set value of the relief valve 22, the relief valve 22 is opened, and the liquid in the tank body flows into the overflow groove through the conduit 23, so that the phenomenon that the material is over-filled due to human error is prevented;
the specific structure of the pressure measuring assembly is as follows: the pressure measuring component comprises a pressure gauge I24, pressure measuring pipes communicated with the inside of the tank body are arranged at the top of the methanol liquid storage tank 1 and the top of the acetone liquid storage tank 2, ball valves 13 are arranged on the pressure measuring pipes, and the pressure gauge I24 is installed on a pressure measuring pipe port.
The specific structure of the non-return supply pipeline is as follows: non return supply line includes check valve I26 and drain pipe 18, all be equipped with check valve I26 on the drain pipe 18 that methanol liquid storage pot 1 and acetone liquid storage pot 2 jar body bottom set up, be equipped with a plurality of ball valves 13 that distribute in I26 business turn over of check valve on the drain pipe 18, a plurality of liquid outlets of drain pipe 18 communicate with the carburizing furnace that corresponds respectively.
The chemical penetrating agent methanol and acetone designed by the technical scheme has a compact supply structure to the carburizing furnace, and can meet the requirements of arrangement integration, structure lightening and material localization; the problem of unstable flow of methanol and acetone in the carburizing process is solved, so that the distance between a methanol and acetone supply area and surrounding buildings meets the requirements of related standards, safety accidents are prevented, energy is saved, emission is reduced, safety and reliability are realized, and the requirements of related national standards are met; the stability of the flow of the permeating agent is improved, the energy damage is reduced, the product quality is ensured, the operation is convenient, and an operator only needs to pay attention to the control of the nitrogen pressure and the flow of the methanol and the acetone in the processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. Controllable atmosphere generating device of forced, its characterized in that: including methyl alcohol liquid storage pot (1), acetone liquid storage pot (2), the feed inlet of methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) upper end fills the system and communicates with methyl alcohol bucket (3) and acetone bucket (4) respectively through respective chemical penetrant, be equipped with the liquid level monitoring device that is used for carrying out the monitoring to the height liquid level of jar interior liquid on methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2), methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) top are equipped with the subassembly of ventilating safely that is used for nitrogen gas emission, prevent that jar interior liquid from overcharging safety precaution subassembly, are used for monitoring the pressure measurement subassembly of internal pressure of jar and are used for letting in the nitrogen gas supply subassembly of pressure nitrogen gas to jar internal portion, methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) bottom are through non return supply pipeline and a plurality of carburizing furnace intercommunication.
2. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the nitrogen gas supply assembly comprises a nitrogen gas supply pipe (25), the gas inlets at the tops of the methanol liquid storage tank (1) and the acetone liquid storage tank (2) are connected with the nitrogen gas supply pipe (25), the nitrogen gas supply pipe (25) is provided with a stop valve (10), and the end part of the nitrogen gas supply pipe (25) is communicated with a nitrogen gas supply system.
3. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the chemical penetrant filling system comprises a delivery pump (5), a connecting pipe (6) and a delivery pipe (7), wherein the inlet end of the delivery pump (5) is connected with one end of the connecting pipe (6), the connecting pipe (6) is connected with one end of a metal hose (8) through a quick-change connector (15), the other end of the metal hose (8) in the chemical penetrant filling system connected with the methanol liquid storage tank (1) is communicated with the methanol barrel (3), the other end of the metal hose (8) in the chemical penetrant filling system connected with the acetone liquid storage tank (2) is communicated with the acetone barrel (4), and the connecting pipe (6) is connected with a Y-shaped filter (9) and a stop valve (10); conveyer pipe (7) one end is connected with delivery pump (5) exit end, with conveyer pipe (7) other end and the feed inlet of methyl alcohol liquid storage pot (1) upper end in the chemical penetrant filling system that methyl alcohol liquid storage pot (1) is connected, with the chemical penetrant that acetone liquid storage pot (2) are connected fills conveyer pipe (7) other end and acetone liquid storage pot (2) upper end in the system and is connected, the pipeline both ends of conveyer pipe (7) all are equipped with stop valve (10) and locate check valve (11) on conveyer pipe (7) and lie in between two stop valve (10), be connected with branch way pipe (12) on conveyer pipe (7), install manometer (14) that are used for monitoring conveyer pipe (7) inside fluid pressure on the mouth of pipe that installs ball valve (13) and branch way pipe (12) on branch way pipe (12).
4. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the liquid level monitoring device includes high-order monitoring subassembly and low level monitoring subassembly, high-order monitoring subassembly and low level monitoring subassembly all include fairlead (16) and level gauge (17), fairlead (16) one end that all is equipped with on methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) jar body upper end lateral wall and draws in interface and the high-order monitoring subassembly links firmly the switch-on with drawing the interface through the flange, the interface of drawing forth of fairlead (16) one end and drain pipe (18) upper end in methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) jar body bottom all is equipped with drain pipe (18) and low level monitoring subassembly links firmly the switch-on through the method, be equipped with stop valve (10) on fairlead (16), and level gauge (17) are installed on fairlead (16) other end mouth of pipe.
5. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the safe ventilation assembly comprises a ventilation pipe (19) and a flame arrester (20), ventilation interfaces at the tops of the methanol liquid storage tank (1) and the acetone liquid storage tank (2) are communicated with the lower end of the corresponding ventilation pipe (19) respectively, a ball valve (13) is installed on the lower portion of the ventilation pipe (19), the flame arrester (20) is installed on the upper end pipe orifice of the ventilation pipe (19), and a safety valve (21) is installed on the ventilation pipe (19).
6. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the safety early warning assembly comprises a guide pipe (23) and a bleeding valve (22), overflow ports at the tops of the methanol liquid storage tank (1) and the acetone liquid storage tank (2) are connected with the guide pipe (23), the guide pipe (23) is provided with a stop valve (10) and the bleeding valve (22), and the guide pipe (23) is communicated with an overflow groove corresponding to a material.
7. A press-in controllable atmosphere generating device according to claim 1, characterized in that: the pressure measuring component comprises a pressure gauge I (24), the top of the tank body of the methanol liquid storage tank (1) and the top of the tank body of the acetone liquid storage tank (2) are provided with pressure measuring pipes communicated with the inside of the tank body, and ball valves (13) are arranged on the pressure measuring pipes, and the pressure gauge I (24) is installed on a port of each pressure measuring pipe.
8. A press-in controllable atmosphere generating device according to any of claims 1-7, characterized in that: the non return supply line includes check valve I (26) and drain pipe (18), all be equipped with check valve I (26) on drain pipe (18) that methyl alcohol liquid storage pot (1) and acetone liquid storage pot (2) jar body bottom set up, be equipped with a plurality of ball valves (13) of distributing in check valve I (26) business turn over direction on drain pipe (18), a plurality of liquid outlets of drain pipe (18) communicate with the carburizing furnace that corresponds respectively.
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| CN202111340292.XA CN113913731A (en) | 2021-11-12 | 2021-11-12 | Press-in type controllable atmosphere generating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369352A (en) * | 2022-08-24 | 2022-11-22 | 湖北三环汽车方向机有限公司 | Continuous furnace carburizing process |
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