CN204396787U - A kind of sand heating mixer - Google Patents
A kind of sand heating mixer Download PDFInfo
- Publication number
- CN204396787U CN204396787U CN201420833459.5U CN201420833459U CN204396787U CN 204396787 U CN204396787 U CN 204396787U CN 201420833459 U CN201420833459 U CN 201420833459U CN 204396787 U CN204396787 U CN 204396787U
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- sand
- heating furnace
- heat
- teeter chamber
- cavity
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Abstract
The utility model discloses a kind of sand heating mixer, comprise teeter chamber and heating furnace, teeter chamber and heating furnace are interconnected; Teeter chamber comprises stirs cavity and paddle, and the inwall stirring cavity is provided with heat-insulation layer one, and the shape of paddle is T-shaped; Heating furnace comprises burning cavity and burner, and burning cavity comprises shell and heat-insulation layer two, and the bocca of burner stretches into heating furnace through after shell and heat-insulation layer two; Stir above cavity and be provided with multiple blast pipe, blast pipe one end is communicated with stirs cavity, and one end is communicated to the hopper stirred above cavity; Burner is proportional regulating type, and teeter chamber and heating furnace are all provided with multiple temperature detection device.A kind of sand heating mixer of this utility model, the efficiency of heating surface is high, and sand is heated evenly, and energy consumption is relatively low.
Description
Technical field
The utility model relates to foundry machinery field, is specifically related to a kind of sand heating mixer.
Background technology
The casting method of sand casting-produce in sand mold foundry goods.Steel, iron and most of non-ferrous alloy casting all can obtain with sand mould casting method.The Modeling Material used due to sand casting is cheap and easy to get, and Casting mold manufacturing is easy, and to the single-piece production of foundry goods, produce by batch and produce in a large number and all can adapt to, for a long time, be the basic technology in Foundry Production always.
Sand casting needs to use a large amount of sand, often produces 1 ton of castings, approximately needs supplementary 1 ton of fresh sand, and therefore in sand casting is produced, the consumption of casting model powder is maximum.
Except buying sand, the sand of present casting, generally before moulding, needs overlay film, and namely sand grain surface applies one deck hard resin film before moulding.Use precoated sand is cast, and tool has the following advantages:
1, shake-out, high strength, lowly to get angry, low bulk;
2, laxing property is good, surface finish of casting is high;
3, shell mould not good, the good fluidity of aliquation, Heat stability is good, thermal conductivity;
4, cast(ing) surface is smooth, thermal conductivity good;
5, high strength, high temperature resistant, low bulk;
6, good, the anti-stick grittiness of release property is good;
7, shell does not evenly shell, curing rate is fast.
Have cold process and Re Fa two kinds of coating techniques: cold process ethanol by resin dissolves, and adds methenamine in mulling process, make the two be coated on sand grain surface, ethanol volatilizees, and obtains precoated sand; Hot method is preheating to uniform temperature sand, adds resin and makes its melting, stirs and makes resin-coating at sand grain surface, add the methenamine aqueous solution and lubricant, cooling, broken, sieve to obtain precoated sand.
Hot method needs to use firing equipment, and it is low that existing firing equipment exists the efficiency of heating surface, and sand is heated uneven, the problem that energy consumption is high.
Therefore, design a kind of novel firing equipment, make the efficiency of heating surface high, sand is heated evenly, and energy consumption is relatively low, is this area technical issues that need to address.
Utility model content
The technical problems to be solved in the utility model: make the efficiency of heating surface high, sand is heated evenly, and energy consumption is relatively low.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of sand heating mixer, comprise teeter chamber and heating furnace, described teeter chamber and heating furnace are interconnected; Described teeter chamber comprises stirs cavity and paddle, and the inwall of described stirring cavity is provided with heat-insulation layer one, and the shape of described paddle is T-shaped; Described heating furnace comprises burning cavity and burner, and described burning cavity comprises shell and heat-insulation layer two, and the bocca of described burner stretches into described heating furnace through after described shell and heat-insulation layer two; Be provided with multiple blast pipe above described stirring cavity, described blast pipe one end is communicated with described stirring cavity, and one end is communicated to the hopper above described stirring cavity; Described burner is proportional regulating type, and described teeter chamber and heating furnace are all provided with multiple temperature detection device.
Preferably, described blast pipe is communicated to the middle part of described hopper.
Preferably, the material of described heat-insulation layer one is polycrystalline alumina fiber.
Preferably, the material of described heat-insulation layer two is alumina firebrick.
Preferably, the material of described paddle is a kind of high temperature resistant stainless steel.
Preferably, described temperature detection device is thermocouple.
By technique scheme, a kind of sand heating mixer that the utility model provides, comprises teeter chamber and heating furnace, teeter chamber and heating furnace are interconnected, and pass into high-temperature gas while stirring, and sand is heated evenly, paddle in teeter chamber is T-shaped, and stirring efficiency is high; Teeter chamber and heating furnace are all provided with heat-insulation layer, and heat is not easy to run off; The blast pipe of teeter chamber directly passes into hopper, like this by the sand in the waste heat preheating hopper of gas in blast pipe, make the more abundant of heat energy utilization, and be provided with multiple temperature detection device in teeter chamber and heating furnace, automatically can regulate the burning degree of burner.Its beneficial effect is: the efficiency of heating surface is high, and sand is heated evenly, and energy consumption is relatively low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of sand heating mixer disclosed in the utility model embodiment;
Fig. 2 is the schematic diagram of the top view of Fig. 1;
Fig. 3 is the schematic diagram of the left view of Fig. 1.
Numeral and the corresponding component title represented by letter in figure:
1. teeter chamber 11. heat-insulation layer 1 paddle 13. blast pipe 2. heating furnace 21. heat-insulation layer 2 22. burner 3. hopper 4. temperature detection device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Principle of the present utility model is: pass into high-temperature gas while stirring, and sand is heated evenly, and the paddle in teeter chamber is T-shaped, and stirring efficiency is high; Teeter chamber and heating furnace are all provided with heat-insulation layer, and heat is not easy to run off; The blast pipe of teeter chamber directly passes into hopper, like this by the sand in the waste heat preheating hopper of gas in blast pipe, make the more abundant of heat energy utilization, and be provided with multiple temperature detection device in teeter chamber and heating furnace, automatically can regulate the burning degree of burner.
Embodiment:
As Figure 1-3, a kind of sand heating mixer, comprise teeter chamber 1 and heating furnace 2, teeter chamber 1 and heating furnace 2 are interconnected; Described teeter chamber 1 comprises stirs cavity and paddle 12, and the inwall of described stirring cavity is provided with heat-insulation layer 1, and the shape of described paddle 12 is T-shaped; Described heating furnace 2 comprises burning cavity and burner 22, and described burning cavity comprises shell and heat-insulation layer 2 21, and the bocca of described burner 22 stretches into described heating furnace through after shell and heat-insulation layer two; Be provided with multiple blast pipe 13 above described stirring cavity, described blast pipe one end is communicated with described stirring cavity, and one end is communicated to the hopper 3 above described stirring cavity; Described burner 22 is proportional regulating type, and described teeter chamber 1 and heating furnace 2 are all provided with multiple temperature detection device 4.
Sand before overlay film is called base sand, base sand enters preheating in the hopper 3 above sand heating mixer, put sand door by top again and enter teeter chamber 1, heating furnace 2 provides hot gas to enter teeter chamber, base sand is rolled by paddle 12, make base sand fully be heated to the temperature of required overlay film, sand door can be put through bottom and enter subsequent processing.
The shape of paddle 12 is T-shaped, and the comparison of resistance stirred like this is little, and facts have proved, in teeter chamber, the resistance of surrounding is less than centre.
Because the temperature of heating furnace 2 and teeter chamber 1 is not quite alike, so the setting of heat-insulation layer is also slightly different, mainly use the temperature resistant grade of material slightly different.
Burner 22 is proportional regulating type, and described teeter chamber 1 and heating furnace 2 are all provided with multiple temperature detection device 4.The burning degree of burner can be regulated like this according to temperature sensing situation.
Make full use of to make heat, blast pipe 13 in teeter chamber is directly passed into hopper 3, and (blast pipe needs to be provided with screen pack, prevents base hourglass to teeter chamber can to utilize the pre-hot radical sand of waste heat like this, this is that those skilled in the art are accessible, no longer describes in detail).
In the present embodiment, described blast pipe 13 is communicated to the middle part of described hopper.Such hot gas can relatively uniform passing in base sand.
In the present embodiment, the material of described heat-insulation layer 1 is polycrystalline alumina fiber.Polycrystalline alumina fiber has very outstanding heat-insulating property, and heat resistance is pretty good.
In the present embodiment, the material of described heat-insulation layer 2 21 is alumina firebrick.Good heat insulating, high temperature resistant.
In the present embodiment, the material of described paddle 12 is a kind of high temperature resistant stainless steel.High temperature resistant stainless steel, has the advantage that stainless steel is anti-corrosion, intensity is good, has again resistant to elevated temperatures feature.
In the present embodiment, described temperature detection device 4 is thermocouple.It is high that thermocouple has detection accuracy, controls simple, the advantage that cost is low.
In the above-described embodiments, a kind of sand heating mixer that the utility model provides, comprise teeter chamber and heating furnace, teeter chamber and heating furnace are interconnected, and pass into high-temperature gas while stirring, and sand is heated evenly, and the paddle in teeter chamber is T-shaped, and stirring efficiency is high; Teeter chamber and heating furnace are all provided with heat-insulation layer, and heat is not easy to run off; The blast pipe of teeter chamber directly passes into hopper, like this by the sand in the waste heat preheating hopper of gas in blast pipe, make the more abundant of heat energy utilization, and be provided with multiple temperature detection device in teeter chamber and heating furnace, automatically can regulate the burning degree of burner.Its beneficial effect is: the efficiency of heating surface is high, and sand is heated evenly, and energy consumption is relatively low.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. a sand heating mixer, it is characterized in that, comprise teeter chamber and heating furnace, described teeter chamber and heating furnace are interconnected; Described teeter chamber comprises stirs cavity and paddle, and the inwall of described stirring cavity is provided with heat-insulation layer one, and the shape of described paddle is T-shaped; Described heating furnace comprises burning cavity and burner, and described burning cavity comprises shell and heat-insulation layer two, and the bocca of described burner stretches into described heating furnace through after described shell and heat-insulation layer two; Be provided with multiple blast pipe above described stirring cavity, described blast pipe one end is communicated with described stirring cavity, and one end is communicated to the hopper above described stirring cavity; Described burner is proportional regulating type, and described teeter chamber and heating furnace are all provided with multiple temperature detection device.
2. a kind of sand heating mixer according to claim 1, it is characterized in that, described blast pipe is communicated to the middle part of described hopper.
3. a kind of sand heating mixer according to claim 1, it is characterized in that, the material of described heat-insulation layer one is polycrystalline alumina fiber.
4. a kind of sand heating mixer according to claim 1, it is characterized in that, the material of described heat-insulation layer two is alumina firebrick.
5. a kind of sand heating mixer according to claim 1, it is characterized in that, the material of described paddle is a kind of high temperature resistant stainless steel.
6. a kind of sand heating mixer according to claim 1, it is characterized in that, described temperature detection device is thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833459.5U CN204396787U (en) | 2014-12-24 | 2014-12-24 | A kind of sand heating mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833459.5U CN204396787U (en) | 2014-12-24 | 2014-12-24 | A kind of sand heating mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204396787U true CN204396787U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833459.5U Expired - Fee Related CN204396787U (en) | 2014-12-24 | 2014-12-24 | A kind of sand heating mixer |
Country Status (1)
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| CN (1) | CN204396787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598079A (en) * | 2017-11-06 | 2018-01-19 | 禹州市昆仑模具有限公司 | One kind is new to cover sand calcination room |
| CN108393472A (en) * | 2018-03-05 | 2018-08-14 | 安徽传质信息科技有限公司 | A kind of founding equipment that can be manually operated |
-
2014
- 2014-12-24 CN CN201420833459.5U patent/CN204396787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598079A (en) * | 2017-11-06 | 2018-01-19 | 禹州市昆仑模具有限公司 | One kind is new to cover sand calcination room |
| CN108393472A (en) * | 2018-03-05 | 2018-08-14 | 安徽传质信息科技有限公司 | A kind of founding equipment that can be manually operated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20211224 |