CN209050091U - A kind of air injection machine high pressure heat-preserving furnace - Google Patents
A kind of air injection machine high pressure heat-preserving furnace Download PDFInfo
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- CN209050091U CN209050091U CN201821939871.XU CN201821939871U CN209050091U CN 209050091 U CN209050091 U CN 209050091U CN 201821939871 U CN201821939871 U CN 201821939871U CN 209050091 U CN209050091 U CN 209050091U
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- nitrogen
- compression chamber
- mouth
- injection machine
- high pressure
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Abstract
The utility model discloses a kind of air injection machine high pressure heat-preserving furnaces, it belongs to casting technology field, including heat preservation furnace shell, holding furnace enclosure interior are equipped with sealable compression chamber, holding furnace case top, which is equipped with, rises liquid mouth, rises and is connected to equipped with stalk with compression chamber at liquid mouth；Nitrogen charged air induction mouth and nitrogen release gas outlet are additionally provided on heat preservation furnace shell, nitrogen charged air induction mouth and nitrogen release gas outlet are connected to the compression chamber, nitrogen pressure mechanism is equipped between nitrogen charged air induction mouth and nitrogen release gas outlet, nitrogen pressure mechanism provides nitrogen for the nitrogen charged air induction mouth and recycles the nitrogen of nitrogen release gas outlet；It further include several radiant heaters and immersion heater, radiant heater protrudes into compression chamber and the indirect heating above molten aluminum, and the immersion heater protrudes into compression chamber and directly heats inside molten aluminum.
Description
Technical field
The utility model relates to casting technology fields, and in particular to a kind of air injection machine high pressure heat-preserving furnace.
Background technique
Currently, general low pressure casting machine holding furnace is generally the heating of radiant type Elema, furnace chamber was both used as molten aluminum to store
Room, and as heating room and compression chamber, Elema heating, heat is by radiation, air transmitted mode, to guarantee molten aluminum temperature in furnace
Spend it is constant, such holding furnace in the application process of air injection machine, play the role of it is critical, but with casting technique skill
The demand for development of art, there are some problems and disadvantages.First, heating and thermal insulation heat conduction efficiency is low in furnace in production process, increase
Power consumption；Second, being cyclically filled in furnace in production process, discharges compressed air, compressed air contains micro-moisture,
Molten aluminum air content can be made to increase, the defects of casting has stomata；Third, current holding furnace fills type pressure maintaining and is only up to 0.2MPa,
Casting dwell pressure is low, is not able to satisfy high strength casting；Fourth, holding furnace when molten aluminum is long in normal work air content increase and
It is unable to degasification, prevents product quality from being guaranteed.
In view of the above-mentioned problems of the prior art, the design and use warp of the utility model combination related fields many years
It tests, is aided with too strong professional knowledge, manufactured and designed a kind of air injection machine high pressure heat-preserving furnace, to overcome drawbacks described above.
Utility model content
For the problems of in the prior art, a kind of air injection machine high pressure heat-preserving furnace provided by the utility model,
It can satisfy high pressure castings production needs, while energy-saving consumption-reducing.
To achieve the goals above, the technical solution adopted in the utility model is as follows: a kind of air injection machine high pressure heat-preserving
Furnace, including heat preservation furnace shell, the holding furnace enclosure interior are equipped with sealable compression chamber, and the holding furnace case top is equipped with
Liquid mouth is risen, stalk is equipped at described liter of liquid mouth and is connected to the compression chamber；
Nitrogen charged air induction mouth and nitrogen release gas outlet, the nitrogen charged air induction are additionally provided on the heat preservation furnace shell
Mouth and nitrogen release gas outlet are connected to the compression chamber, are set between the nitrogen charged air induction mouth and nitrogen release gas outlet
There is nitrogen pressure mechanism, the nitrogen pressure mechanism provides nitrogen for the nitrogen charged air induction mouth and recycling nitrogen unloads extrusion
The nitrogen of port；
It further include several radiant heaters and immersion heater, the radiant heater protrudes into compression chamber and in aluminium
Indirect heating above liquid, the immersion heater protrude into compression chamber and directly heat inside molten aluminum.
Insulating layer is equipped between heat preservation furnace shell and the compression chamber as a preferred technical solution, the insulating layer is most
Internal layer and the nitrogen charged air induction mouth and nitrogen release gas outlet junction are equipped with air brick.
The insulating layer includes four laminates as a preferred technical solution, and four laminate is respectively silico-calcium from outside to inside
The poly- light ball brick of sour plate, high alumina, clay brick, high temperature resistant castable.
The nitrogen pressure of the nitrogen charged air induction mouth connection is 1Mpa-2Mpa as a preferred technical solution,.
The nitrogen pressure mechanism includes nitrogen gas tank, nitrogen compression and back receiving apparatus, the nitrogen as a preferred technical solution,
Gas release gas outlet first passes through and is input to nitrogen gas tank storage after nitrogen compression and back receiving apparatus is compressed, nitrogen gas tank storage with
The nitrogen charged air induction mouth connection；
It further include pressure gauge and pressure controller, the pressure gauge is arranged between nitrogen charged air induction mouth and nitrogen gas tank,
The pressure controller controls the switch of the nitrogen charged air induction mouth and nitrogen release gas outlet.
The holding furnace housing bottom, which is equipped with, as a preferred technical solution, removes port, and described remove is connected with nitrogen at port
Gas gas removing pipe, it is described except port and holding furnace housing bottom insulating layer most inner side junction also are provided with air brick.
The radiant heater and immersion heater are set as globar heating tube, institute as a preferred technical solution,
The power for stating radiant heater is 10-12KW, and the power of the immersion heater is 14-28KW.
The radiant heater passes through the compression chamber as a preferred technical solution, the radiant heater
Both ends are separately positioned on heat preservation furnace shell.
Molten aluminum temperature measuring equipment, which is provided with, on the heat preservation furnace shell as a preferred technical solution, protrudes into the compression chamber
It is protruded into above the molten aluminum of the compression chamber in molten aluminum with furnace gas temperature measuring equipment.
As a preferred technical solution, it is described heat preservation furnace shell plus aluminium mouth be arranged in heat preservation furnace shell side wall on and with
Compression chamber's connection, the molten aluminum temperature measuring equipment setting are adding beside aluminium mouth.
The utility model has the beneficial effect that
(1) the utility model fills type pressure maintaining to compression chamber using nitrogen charged air induction mouth, since nitrogen pressurization can be to avoid
Pollution of the moisture of compressed air to molten aluminum, and then improve the quality of product.
(2) the utility model utilizes nitrogen circulation, is cut down expenses, improving environment dirt by nitrogen compression and back receiving apparatus
Dye.
(3) the utility model is pressurizeed using nitrogen, and moulding pressure can reach 1Mpa-2Mpa range, makes casting supplement more
Sufficiently, the intensity of casting is improved, is provided the foundation for high-intensitive highly difficult casting exploitation.
(4) the utility model keeps the temperature of molten aluminum using immersion heater and improves the temperature of molten aluminum, can reduce energy
Consume cost.Radiant heater supplement quickly improves the temperature of molten aluminum, and can also be according to production work by radiant heater
Skill temperature needs quickly heating, can be rapidly heated, and reduces the heating-up time.
(5) the utility model improves molten aluminum quality itself by carrying out degassing and purifying to molten aluminum except port is passed through nitrogen.
(6) the utility model realizes more stalks in a certain range, running gate system is facilitated to set by replacement gate plate
It sets and running gate system optimizes.
Detailed description of the invention
Fig. 1 is a kind of half sectional view of air injection machine high pressure heat-preserving furnace；
Fig. 2 is a kind of side view of air injection machine high pressure heat-preserving furnace；
Fig. 3 is a kind of cross-sectional view of bowing of air injection machine high pressure heat-preserving furnace；
Fig. 4 is a kind of nitrogen pressure schematic diagram of mechanism of air injection machine high pressure heat-preserving furnace.
In figure: 1- heat preservation furnace shell, the compression chamber 2-, 3- immersion heater, 4- radiant heater, 5- nitrogen pressurize into
Port, 6- nitrogen release gas outlet, 7- stalk, 8- nitrogen compression and back receiving apparatus, 9- nitrogen gas tank, 10- add aluminium mouth, 11- silico-calcium
The poly- light ball brick of sour plate, 12- high alumina, 13- clay brick, 14- high temperature resistant castable, 15- pressure gauge, 16- pressure controller, 17- are removed
Port, 18- molten aluminum temperature measuring equipment, 19- gate plate.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
As shown in Figures 1 to 4, a kind of air injection machine high pressure heat-preserving furnace, including heat preservation furnace shell 1, keep the temperature in furnace shell 1
Portion be equipped with sealable compression chamber 2, heat preservation furnace shell 1 plus aluminium mouth 10 be arranged in heat preservation furnace shell 1 side wall on and with pressurization
Room 2 is connected to, and is kept the temperature and is equipped with liter liquid mouth at the top of furnace shell 1, is equipped with stalk 7 at liter liquid mouth and is connected to compression chamber 2, molten aluminum is being pressurizeed
In room 2, by pressurizeing to compression chamber 2, molten aluminum is pressed into stalk 7, and is connect by stalk 7 with casting mould；
Nitrogen charged air induction mouth 5 and nitrogen release gas outlet 6, nitrogen are additionally provided on the utility model heat preservation 1 side wall of furnace shell
Gas charged air induction mouth 5 and nitrogen release gas outlet 6 are connected to compression chamber 2, nitrogen charged air induction mouth 5 and nitrogen release gas outlet
Nitrogen pressure mechanism is equipped between 6, nitrogen pressure mechanism is that nitrogen charged air induction mouth 5 provides nitrogen and recycling nitrogen unloads extrusion
The nitrogen of port 6, the utility model fill type pressure maintaining using 5 pairs of compression chambers 2 of nitrogen charged air induction mouth, since nitrogen pressurization can be kept away
Exempt from pollution of the moisture to molten aluminum of compressed air, and then improves the quality of product；
It further include several radiant heaters 4 and immersion heater 3, radiant heater 4 protrudes into compression chamber 2 and in aluminium
Indirect heating above liquid, radiant heater 4 pass through the compression chamber 2, and both ends are separately positioned on heat preservation furnace shell 1, and
Immersion heater 3 protrudes into compression chamber 2 and directly heats inside molten aluminum, and the utility model is kept using immersion heater 3
The temperature of molten aluminum and the temperature for improving molten aluminum, can reduce energy consumption cost.Radiant heater 4 supplements the temperature for quickly improving molten aluminum
Degree, and need to use when quickly heating according to production technology temperature by radiant heater 4, it can be rapidly heated, when reducing heating
Between.
The utility model, which is kept the temperature, is equipped with insulating layer between furnace shell 1 and compression chamber 2, stablize compression chamber 2 by insulating layer
The temperature of middle molten aluminum, insulating layer and nitrogen charged air induction mouth 5 and 6 junction of nitrogen release gas outlet are equipped with air brick.Specifically
, insulating layer includes four laminates, and four laminates are respectively silico-calcium acid plate 11 from outside to inside, the poly- light ball brick 12 of high alumina, clay brick 13, resistance to
High temperature castable 14.
The utility model, which increases nitrogen pressure by accordingly control technique, can reach 1Mpa-2Mpa, is pressurizeed by nitrogen
Air inlet 5 pressurizes to compression chamber 2, nitrogen pressure 1Mpa-2Mpa, which can make casting supplement more abundant, improves
The intensity of casting further provides the foundation for high-intensitive highly difficult casting exploitation.Specifically, nitrogen pressure mechanism includes nitrogen
Gas tank 9, nitrogen compression and back receiving apparatus 8, nitrogen release gas outlet 6 first pass through after nitrogen compression and back receiving apparatus 8 is compressed and input
It is stored to nitrogen gas tank 9, nitrogen gas tank 9 stores pressure and is connected to nitrogen charged air induction mouth 5, by nitrogen compression and back receiving apparatus 8 to nitrogen
Gas recycles, cuts down expenses, improves environmental pollution, in combination with the pressure maintaining of nitrogen gas tank 9, improves nitrogen moulding pressure；
It is equipped with gate plate 19 above the utility model stalk 7, can realize that more stalks 7 pour by replacing gate plate 19
Injection system, reasonably optimizing running gate system as needed, can be improved casting quality, reduces cost.
The utility model further includes pressure gauge 15 and pressure controller 16, and pressure gauge 15 is arranged in nitrogen charged air induction mouth 5
Between nitrogen gas tank 9, pressure controller 16 controls the switch of nitrogen charged air induction mouth 5 and nitrogen release gas outlet 6.
The utility model, which keeps the temperature 1 bottom of furnace shell and is equipped with, removes port 17, except being connected with nitrogen gas removing pipe, degasification at port 17
Mouthfuls 17 also are provided with air brick with 1 junction of heat preservation furnace shell, using except port 17, to be passed through nitrogen net to molten aluminum progress degasification
Change, molten aluminum quality itself can be improved.
Further, radiant heater 4 and immersion heater 3 are preferably set to globar heating tube, radiant heater 4
Power be 10-12KW, the power of immersion heater 3 is 14-28KW.For the temperature information for further obtaining molten aluminum, this reality
With being provided on novel heat insulation furnace shell 1, molten aluminum temperature measuring equipment 18 is protruded into the molten aluminum of compression chamber 2 and furnace gas temperature measuring equipment protrudes into
Above the molten aluminum of compression chamber 2.
Implement the present apparatus, by adding aluminium mouth 10 to add molten aluminum into compression chamber 2, by leading to except port 17 into compression chamber 2
Enter nitrogen, degassing and purifying is carried out to the molten aluminum in compression chamber 2, and molten aluminum temperature measuring equipment can be passed through from adding aluminium mouth 10 to remove the gred
18 can be convenient to the molten aluminum progress temperature test in compression chamber 2, if compression chamber 2 can first be opened lower than set temperature range
Dynamic immersion heater 3 heats molten aluminum, and the temperature of aluminum liquid in compression chamber 2 is made to keep stablizing, and leaching can be used when rapidly heating up
Enter formula heater 3 and radiant heater 4 while heating, the temperature of aluminum liquid in compression chamber 2 is quickly raised to holding temperature, works as progress
When casting, the nitrogen of pressurization carries out filling type, and being pressurized pressure maintaining into pressure can reach 1Mpa, the nitrogen come out from nitrogen release gas outlet 6
Gas utilizes nitrogen circulation by nitrogen compression and back receiving apparatus 8.
It should be appreciated that the purposes of these embodiments is merely to illustrate the utility model and is not intended to limitation the utility model
Protection scope.In addition, it should also be understood that, those skilled in the art can be right after having read the technology contents of the utility model
The utility model does various change, modification and/or variation, all these equivalent forms equally fall within right appended by the application and want
Seek book within the limits of the protection.
Claims (10)
1. a kind of air injection machine high pressure heat-preserving furnace, it is characterised in that: including keeping the temperature furnace shell, the holding furnace enclosure interior is set
There is sealable compression chamber, the holding furnace case top, which is equipped with, rises liquid mouth, and stalk is equipped at described liter of liquid mouth and is added with described
Pressure chamber connection；
Be additionally provided with nitrogen charged air induction mouth and nitrogen release gas outlet on the heat preservation furnace shell, the nitrogen charged air induction mouth and
Nitrogen release gas outlet is connected to the compression chamber, and nitrogen is equipped between the nitrogen charged air induction mouth and nitrogen release gas outlet
Air pressure force mechanisms, the nitrogen pressure mechanism provide nitrogen and recycling nitrogen release gas outlet for the nitrogen charged air induction mouth
Nitrogen；
It further include several radiant heaters and immersion heater, the radiant heater protrudes into compression chamber and in molten aluminum
Square indirect heating, the immersion heater protrude into compression chamber and directly heat inside molten aluminum.
2. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: the heat preservation furnace shell and
Insulating layer is equipped between compression chamber, the insulating layer innermost layer is connect with the nitrogen charged air induction mouth and nitrogen release gas outlet
Place is equipped with air brick.
3. a kind of air injection machine high pressure heat-preserving furnace according to claim 2, it is characterised in that: the insulating layer includes four
Laminate, four laminate are respectively silico-calcium acid plate, the poly- light ball brick of high alumina, clay brick, high temperature resistant castable from outside to inside.
4. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: the nitrogen charged air induction
The nitrogen pressure of mouth connection is 1Mpa-2Mpa.
5. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: the nitrogen pressure mechanism
Including nitrogen gas tank, nitrogen compression and back receiving apparatus, nitrogen release gas outlet first passes through nitrogen compression and back receiving apparatus and is compressed
After be input to nitrogen gas tank storage, nitrogen gas tank storage is connected to the nitrogen charged air induction mouth；
It further include pressure gauge and pressure controller, the pressure gauge is arranged between nitrogen charged air induction mouth and nitrogen gas tank, described
Pressure controller controls the switch of the nitrogen charged air induction mouth and nitrogen release gas outlet.
6. a kind of air injection machine high pressure heat-preserving furnace according to claim 2, it is characterised in that: the heat preservation furnace shell bottom
Portion, which is equipped with, removes port, and described except nitrogen gas removing pipe is connected at port, the port that removes is kept the temperature with the holding furnace housing bottom
Layer most inner side junction also is provided with air brick.
7. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: the radiant heater
It is set as globar heating tube with immersion heater, the power of the radiant heater is 10-12KW, the immersion heating
The power of device is 14-28KW.
8. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: the radiant heater
Across the compression chamber, the both ends of the radiant heater are separately positioned on heat preservation furnace shell.
9. a kind of air injection machine high pressure heat-preserving furnace according to claim 1, it is characterised in that: on the heat preservation furnace shell
It is provided with that molten aluminum temperature measuring equipment protrudes into the molten aluminum of the compression chamber and furnace gas temperature measuring equipment protrudes into the molten aluminum of the compression chamber
Side.
10. a kind of air injection machine high pressure heat-preserving furnace according to claim 9, it is characterised in that: the heat preservation furnace shell
Plus aluminium mouth be arranged on the side wall of heat preservation furnace shell and be connected to the compression chamber, the molten aluminum temperature measuring equipment, which is arranged, is adding aluminium
Beside mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821939871.XU CN209050091U (en) | 2018-11-23 | 2018-11-23 | A kind of air injection machine high pressure heat-preserving furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821939871.XU CN209050091U (en) | 2018-11-23 | 2018-11-23 | A kind of air injection machine high pressure heat-preserving furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209050091U true CN209050091U (en) | 2019-07-02 |
Family
ID=67054163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821939871.XU Active CN209050091U (en) | 2018-11-23 | 2018-11-23 | A kind of air injection machine high pressure heat-preserving furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209050091U (en) |
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2018
- 2018-11-23 CN CN201821939871.XU patent/CN209050091U/en active Active
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