CN104826984A - Wax liquid dewatering method and device - Google Patents
Wax liquid dewatering method and device Download PDFInfo
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- CN104826984A CN104826984A CN201510192182.1A CN201510192182A CN104826984A CN 104826984 A CN104826984 A CN 104826984A CN 201510192182 A CN201510192182 A CN 201510192182A CN 104826984 A CN104826984 A CN 104826984A
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Abstract
The invention discloses a wax liquid dewatering method and device, the device is mainly composed of a dewatering tank, a layer plate evaporation unit, a wax liquid conveying unit, a microwave generating unit, an exhaust unit, a water vapor collecting passage and a wax liquid collector, by use of different microwave absorption degrees of wax liquid and water, the wax liquid and the water in to-be-processed water-containing wax liquid are selectively heated, to be more specific, microwave energy is applied to the to-be-processed water-containing wax liquid, in the to-be-processed water-containing wax liquid, wax liquid temperature is kept below water temperature, meanwhile, the water in the to-be-processed water-containing wax liquid is heated by absorption of microwave, and then is removed by evaporation, and finally the wax liquid meeting the requirements of water-containing mass is obtained. The wax liquid dewatering method and device can realize the purpose of completely removing water from the wax liquid, the quality of the wax liquid can be guaranteed to the greatest degree, the recycling of the wax liquid can be realized, and the wax liquid dewatering method and device have industrial application value in the aspects of reducing cycle and saving cost.
Description
Technical field
The present invention relates to a kind of wax liquid processing method and device, particularly relate to a kind of wax liquid sublimate processing method and device, be applied to melted module precise casting technology field.
Background technology
The general industry flow process of hot investment casting is: be first injected in metal die by the wax liquid of fusing through wax injector, open mould after cooling and obtain wax-pattern, the mucilage repeatedly and drench sand on the surface of wax-pattern subsequently, form certain thickness formwork, after formwork drying, with hot water or high steam, wax is melted out from formwork, obtain hollow formwork, again metallic solution is cast into formwork, solidifies rear acquisition product.
In above-mentioned technical process, the quality of wax-pattern obtains a step very crucial in qualified products, production requires can not be mixed with moisture in wax-pattern.But the removing process process of wax-pattern from formwork, wax liquid is removed through hot water or high pressure steam heating fusing, and a large amount of moisture will certainly be brought in wax liquid by this process.In order to enable wax liquid repetitive cycling utilize, in production, general introducing wax liquid dewatering process, is intended to remove the moisture contained in wax liquid completely.Existing wax liquid dewatering process is that wax liquid is heated to more than the boiling point of water, impels moisture evaporative removal through the swash plate stirred or heat.In this process, the bulk temperature of wax liquid is higher, chronic, easily causes wax liquid to go bad, and that shortens wax liquid reuses number of times.
Summary of the invention
In order to solve prior art problem, the object of the invention is to the deficiency overcoming prior art existence, a kind of method providing wax liquid to dewater and device, utilize water different with the absorptivity of wax to microwave, water is heated rapidly to boiling point upper, accelerate moisture evaporation and reach the object dewatered, make wax liquid remain on lower temperature because of lower to the absorptivity of microwave simultaneously, thus ensure the quality of wax liquid.
Create object for reaching foregoing invention, the present invention adopts following technical proposals:
A kind of method that wax liquid dewaters, utilize wax liquid and moisture to the difference of microwave absorption degree, selective intensification is carried out to the wax liquid in pending moisture wax liquid and moisture, namely in pending moisture wax liquid, microwave energy is applied, in pending moisture wax liquid, keep wax liquid temperature lower than while moisture temperature, by evaporative removal after making the moisture absorption microwave in pending moisture wax liquid heat up, final acquisition meets the wax liquid of water content quality requirement.
As the preferred technical scheme of the present invention, drive pending moisture wax liquid flowing, by pending moisture wax liquid fluid of making thinner, increase the liquid surface evaporation area of pending moisture wax liquid, moisture measurement is carried out to completing the wax liquid once dewatered, when the moisture in the wax liquid after single treatment does not also reach the quality requirement of water content, then carry out again repeating except water treatment, until the moisture in wax liquid reaches the quality requirement of water content.
As the present invention's preferred technical scheme further, the auxiliary vibrational energy of input in the pending moisture wax liquid of flowing, makes pending moisture wax liquid form the liquid film of flowing.
A kind of wax liquid de-watering apparatus, by removing water tank, wax liquid supply unit and laminate evaporation element composition, wax liquid supply unit is arranged at the top except water tank, pending moisture wax liquid is carried on laminate evaporation element, laminate evaporation element is arranged at except in water tank, laminate unit installs combining a series of dull and stereotyped connection of gradient by having setting, dull and stereotyped material ensures carrying out moisture wax liquid not causing loss to the transmission of microwave under the operating temperature except water treatment, the guide plate of wax liquid drainage is provided with between each laminate, wax liquid flows to the laminate of lower one deck through guide plate, impel the S shape flowing in order between laminate of wax liquid, steam collection channel is left between laminate, and communicate with the exhaust unit be arranged at except tank top, microwave generating unit is provided with in the below of the flat board of the bottom of the laminate evaporation element in water tank, the microwave that microwave generating unit produces penetrates the laminate of each layer from top to bottom successively, and the temperature gradient distribution formed from top to bottom, moisture is made to flow through in the process of each laminate to be heated continuously at pending moisture wax liquid and heat up, finally make moisture in moisture wax liquid by evaporative removal, the wax liquid meeting water content quality requirement flowed down from the least significant end of the flat board of the bottom of laminate evaporation element is arranged at except the wax collection water tank collects, in the moisture removal process of whole moisture wax liquid, utilize wax liquid and moisture to the difference of microwave absorption degree, carry out selective intensification by microwave generating unit to the wax liquid in moisture wax liquid and moisture to control, while maintenance wax liquid temperature is lower than moisture temperature, by evaporative removal after making the moisture absorption microwave in moisture wax liquid heat up.
As technical scheme preferred in technique scheme of the present invention, also moisture content detection device is provided with in wax collection, moisture content detection device carries out moisture measurement to completing the wax liquid in wax collection once dewatered, when the moisture in detection wax liquid does not also reach the quality requirement of water content, then again wax liquid in wax collection is transported on the laminate of laminate evaporation element top, carry out repeating except water treatment, until the moisture in wax liquid reaches the quality requirement of water content.
As technical scheme preferred in technique scheme of the present invention, except being also provided with vibration unit in water tank, vibration unit is made up of the vibrator of each laminate of a series of driving laminate evaporation element, drive corresponding laminate to vibrate respectively by each vibrator, impel moisture wax liquid Uniform Flow to be distributed on each laminate.
As technical scheme preferred in technique scheme of the present invention, wax liquid supply unit is wax liquid current distribution device, and control wax liquid current distribution device and carried on the laminate of laminate evaporation element top by moisture wax liquid, wax liquid current distribution device at least controls the output flow of moisture wax liquid.
As technical scheme preferred in technique scheme of the present invention, exhaust unit comprises scavenger fan, and under the effect of scavenger fan suction, from moisture wax liquid, isolated steam rises to exhaust unit discharge through steam collection channel.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. the method and apparatus that wax liquid of the present invention dewaters can complete the removal process of wax liquid more effectively, enables wax liquid be recycled and reused for wax-pattern preparation, ensures wax liquid quality simultaneously, improve wax-pattern quality, be applicable to precision-investment casting industry;
2. the method and apparatus that wax liquid of the present invention dewaters utilizes wax liquid and moisture to the difference of microwave absorption degree, selective intensification can be carried out to wax liquid and moisture, can water rem oval be improved, realize the object dewatered completely, at utmost can ensure wax liquid quality again, realize recycling of wax liquid;
3. the method and apparatus that dewaters of wax liquid of the present invention the minimizing fusible pattern manufacturing cycle, cost-saving in there is practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one wax liquid de-watering apparatus.
Detailed description of the invention
Details are as follows for the preferred embodiments of the present invention:
embodiment one:
In the present embodiment, see Fig. 1, a kind of wax liquid de-watering apparatus, by removing water tank, wax liquid supply unit 2 and laminate evaporation element 1 form, wax liquid supply unit 2 is arranged at the top except water tank, pending moisture wax liquid is carried on laminate evaporation element 1, laminate evaporation element 1 is arranged at except in water tank, laminate unit 1 installs combining a series of dull and stereotyped connection of gradient by having setting, dull and stereotyped material ensures carrying out moisture wax liquid not causing loss to the transmission of microwave under the operating temperature except water treatment, the guide plate of wax liquid drainage is provided with between each laminate, wax liquid flows to the laminate of lower one deck through guide plate, impel the S shape flowing in order between laminate of wax liquid, steam collection channel 6 is left between laminate, and communicate with the exhaust unit 4 be arranged at except tank top, microwave generating unit 3 is provided with in the below of the flat board of the bottom of the laminate evaporation element 1 in water tank, the absorption of laminate to microwave is little, the microwave that microwave generating unit 3 produces penetrates the laminate of each layer from top to bottom successively, and the temperature gradient distribution formed from top to bottom, moisture is made to flow through in the process of each laminate to be heated continuously at pending moisture wax liquid and heat up, finally make moisture in moisture wax liquid by evaporative removal, the wax liquid meeting water content quality requirement flowed down from the least significant end of the flat board of the bottom of laminate evaporation element 1 is arranged at except the wax collection 7 water tank collects, in the moisture removal process of whole moisture wax liquid, utilize wax liquid and moisture to the difference of microwave absorption degree, carry out selective intensification by microwave generating unit 3 to the wax liquid in moisture wax liquid and moisture to control, while maintenance wax liquid temperature is lower than moisture temperature, by evaporative removal after making the moisture absorption microwave in moisture wax liquid heat up.In the whole moisture removal process of the present embodiment, wax liquid still can keep good mobility due to the effect of heat trnasfer, and due to less absorption microwave under remaining at lower temperature.
In the present embodiment, see Fig. 1, also moisture content detection device is provided with in wax collection 7, moisture content detection device carries out moisture measurement to completing the wax liquid in wax collection 7 once dewatered, when the moisture in detection wax liquid does not also reach the quality requirement of water content, then again wax liquid in wax collection 7 is transported on the laminate of laminate evaporation element 1 top, carries out repeating except water treatment, until the moisture in wax liquid reaches the quality requirement of water content.
In the present embodiment, see Fig. 1, except being also provided with vibration unit 5 in water tank, vibration unit 5 is made up of the vibrator of each laminate of a series of driving laminate evaporation element 1, corresponding laminate is driven to vibrate respectively by each vibrator, moisture wax liquid Uniform Flow is impelled to be distributed on each laminate, to increase microwave absorption area and moisture disengagement area.
In the present embodiment, see Fig. 1, wax liquid supply unit 2 is wax liquid current distribution device, and control wax liquid current distribution device and carried on the laminate of laminate evaporation element 1 top by moisture wax liquid, wax liquid current distribution device at least controls the output flow of moisture wax liquid.
In the present embodiment, see Fig. 1, collect in dewaxing kettle the wax liquid 20L being in melting state, through filtering, precipitation, remove impurity after, through wax liquid supply unit 2 continue input heating using microwave except water tank.Enter except the wax liquid in water tank flows on the evaporation laminate of top layer through wax liquid current distribution device, start the microwave applicator of vibrator and microwave generating unit 3 simultaneously.Both oscillator frequency is set to 300/min, microwave applicator power selection 2000W.Continue the overall process of the laminate of last layer at the evaporation laminate of lower one deck, continue to remove moisture, to the last one deck.After the wax collection 7 of wax liquid after dewatering through bottom is collected, finally enter storage wax bucket and carry out moisture measurement, if the wax liquid moisture after process does not also reach the quality requirement of water content, then again reprocessing until reach requirement.Utilize wax liquid and moisture to the difference of microwave absorption degree, selective intensification is carried out to the moisture in wax liquid, ensure moisture reach boiling point while wax liquid remain at lower temperature, thus ensure that wax liquid is recycled and reused for wax-pattern preparation with high-quality, improve wax-pattern quality.The present embodiment can realize the object dewatered completely to wax liquid, at utmost can ensure wax liquid quality again, realize recycling of wax liquid, the minimizing cycle, cost-saving in there is industry using value.
embodiment two:
The present embodiment is substantially identical with embodiment one, and special feature is:
In the present embodiment, in the present embodiment, the wax liquid entered in top layer evaporation plate evenly spreads out under the effect of vibrator, moisture in wax liquid heats up evaporation under the heating of microwave, exhaust unit 4 comprises scavenger fan, under the effect of scavenger fan suction, from moisture wax liquid, isolated steam rises to exhaust unit 4 through steam collection channel 6 and discharges, wax liquid flows to lower one deck evaporation layer plate through wax liquid drainage guide plate, under the effect of scavenger fan suction, vapour concentration near wax liquid liquid level obviously reduces, improve the diffusion potential energy of the steam in wax liquid liquid level, enhance steam diffusion process.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the object of innovation and creation of the present invention; change, the modification made under all Spirit Essences according to technical solution of the present invention and principle, substitute, combination, to simplify; all should be the substitute mode of equivalence; as long as goal of the invention according to the invention; only otherwise deviate from know-why and the inventive concept of method that wax liquid of the present invention dewaters and device, all protection scope of the present invention is belonged to.
Claims (8)
1. the method that dewaters of a wax liquid, it is characterized in that: utilize wax liquid and moisture to the difference of microwave absorption degree, selective intensification is carried out to the wax liquid in pending moisture wax liquid and moisture, namely in pending moisture wax liquid, microwave energy is applied, in pending moisture wax liquid, keep wax liquid temperature lower than while moisture temperature, by evaporative removal after making the moisture absorption microwave in pending moisture wax liquid heat up, final acquisition meets the wax liquid of water content quality requirement.
2. the method that dewaters of wax liquid according to claim 1, it is characterized in that: drive pending moisture wax liquid flowing, by pending moisture wax liquid fluid of making thinner, increase the liquid surface evaporation area of pending moisture wax liquid, moisture measurement is carried out to completing the wax liquid once dewatered, when the moisture in the wax liquid after single treatment does not also reach the quality requirement of water content, then carry out again repeating except water treatment, until the moisture in wax liquid reaches the quality requirement of water content.
3. the method that dewaters of wax liquid according to claim 2, is characterized in that: the auxiliary vibrational energy of input in the pending moisture wax liquid of flowing, makes pending moisture wax liquid form the liquid film of flowing.
4. a wax liquid de-watering apparatus, by removing water tank, wax liquid supply unit (2) and laminate evaporation element (1) composition, described wax liquid supply unit (2) is arranged at the described top except water tank, by pending moisture wax liquid to the upper conveying of described laminate evaporation element (1), it is characterized in that: laminate evaporation element (1) is arranged at described except in water tank, described laminate unit (1) installs combining a series of dull and stereotyped connection of gradient by having setting, dull and stereotyped material ensures carrying out moisture wax liquid not causing loss to the transmission of microwave under the operating temperature except water treatment, the guide plate of wax liquid drainage is provided with between each laminate, wax liquid flows to the laminate of lower one deck through described guide plate, impel the S shape flowing in order between laminate of wax liquid, steam collection channel (6) is left between laminate, and be arranged at the described exhaust unit (4) except tank top and communicate, microwave generating unit (3) is provided with in the below of the flat board of the described bottom except the described laminate evaporation element (1) in water tank, the microwave that described microwave generating unit (3) produces penetrates the described laminate of each layer from top to bottom successively, and the temperature gradient distribution formed from top to bottom, moisture is made to flow through in the process of each described laminate to be heated continuously at pending moisture wax liquid and heat up, finally make moisture in moisture wax liquid by evaporative removal, the wax liquid meeting water content quality requirement flowed down from the least significant end of the flat board of the bottom of described laminate evaporation element (1) is arranged at and describedly collects except the wax collection (7) water tank, in the moisture removal process of whole moisture wax liquid, utilize wax liquid and moisture to the difference of microwave absorption degree, carry out selective intensification by described microwave generating unit (3) to the wax liquid in moisture wax liquid and moisture to control, while maintenance wax liquid temperature is lower than moisture temperature, by evaporative removal after making the moisture absorption microwave in moisture wax liquid heat up.
5. wax liquid de-watering apparatus according to claim 4, it is characterized in that: in described wax collection (7), be also provided with moisture content detection device, described moisture content detection device carries out moisture measurement to completing the wax liquid in described wax collection (7) once dewatered, when the moisture in detection wax liquid does not also reach the quality requirement of water content, then again wax liquid in described wax collection (7) is transported on the described laminate of described laminate evaporation element (1) top, carry out repeating except water treatment, until the moisture in wax liquid reaches the quality requirement of water content.
6. wax liquid de-watering apparatus according to claim 4 or 5, it is characterized in that: be also provided with vibration unit (5) described except in water tank, described vibration unit (5) is made up of the vibrator of each laminate of a series of driving laminate evaporation element (1), drive corresponding described laminate to vibrate respectively by each described vibrator, impel moisture wax liquid Uniform Flow to be distributed on each described laminate.
7. wax liquid de-watering apparatus according to claim 4 or 5, it is characterized in that: described wax liquid supply unit (2) is wax liquid current distribution device, control described wax liquid current distribution device to be carried on the described laminate of described laminate evaporation element (1) top by moisture wax liquid, described wax liquid current distribution device at least controls the output flow of moisture wax liquid.
8. wax liquid de-watering apparatus according to claim 4 or 5, it is characterized in that: described exhaust unit (4) comprises scavenger fan, under the effect that described scavenger fan aspirates, from moisture wax liquid, isolated steam rises to described exhaust unit (4) discharge through described steam collection channel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192182.1A CN104826984B (en) | 2015-04-21 | 2015-04-21 | The method and device of wax liquor water removal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510192182.1A CN104826984B (en) | 2015-04-21 | 2015-04-21 | The method and device of wax liquor water removal |
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| CN104826984A true CN104826984A (en) | 2015-08-12 |
| CN104826984B CN104826984B (en) | 2017-06-06 |
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| CN201510192182.1A Active CN104826984B (en) | 2015-04-21 | 2015-04-21 | The method and device of wax liquor water removal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262671A (en) * | 2017-07-01 | 2017-10-20 | 连云港源钰金属制品有限公司 | Lost wax casting technique dewaxing device and method |
| CN114344953A (en) * | 2021-12-31 | 2022-04-15 | 无锡欧彻机械设备有限公司 | Demulsification drying device and method for water-wax emulsion |
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| CN102389942A (en) * | 2011-11-21 | 2012-03-28 | 山东泰山钢铁集团有限公司 | High-efficient and precise casting wax processing method |
| CN102768145A (en) * | 2012-06-29 | 2012-11-07 | 长沙康柏恩医疗科技有限公司 | Method for fast flaking paraffin by microwave radiation water bath diathermy and device |
| CN204135290U (en) * | 2014-10-09 | 2015-02-04 | 四川法拉特不锈钢铸造有限公司 | A kind of wax liquid recycling and processing device |
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Patent Citations (5)
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| JPS5612336B2 (en) * | 1977-01-13 | 1981-03-20 | ||
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262671A (en) * | 2017-07-01 | 2017-10-20 | 连云港源钰金属制品有限公司 | Lost wax casting technique dewaxing device and method |
| CN107262671B (en) * | 2017-07-01 | 2023-06-16 | 连云港源钰金属制品有限公司 | Dewaxing equipment and method for dewaxing casting process |
| CN114344953A (en) * | 2021-12-31 | 2022-04-15 | 无锡欧彻机械设备有限公司 | Demulsification drying device and method for water-wax emulsion |
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| CN104826984B (en) | 2017-06-06 |
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