CN105126381A - Evaporation crystallization system for producing vanadium-free rare-earth base titanium tungsten powder - Google Patents
Evaporation crystallization system for producing vanadium-free rare-earth base titanium tungsten powder Download PDFInfo
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- CN105126381A CN105126381A CN201510582612.0A CN201510582612A CN105126381A CN 105126381 A CN105126381 A CN 105126381A CN 201510582612 A CN201510582612 A CN 201510582612A CN 105126381 A CN105126381 A CN 105126381A
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- evaporation
- oil groove
- oil
- crystallization system
- evaporation tank
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Abstract
The invention provides an evaporation crystallization system for producing vanadium-free rare-earth base titanium tungsten powder. The evaporation crystallization system comprises oil grooves, evaporation pool bodies and heat conducting oil circulation pump tanks, wherein at least two evaporation pool bodies in parallel arrangement are welded and fixed on the upper part of each oil groove; an electric heating rod and a temperature sensor are arranged in each oil groove; the tops of the two oil grooves are provided with pipelines; the high point position of each oil groove is provided with an exhaust opening; one side of each evaporation pool is provided with a slurry adding opening; a valve is arranged on the pipeline of each slurry adding opening; one end of each oil groove is provided with one heat conducting oil circulation pump tank for circulating heat conducting oil in each oil groove; a distilled water collecting structure is arranged on the tops of the evaporation pool bodies. The evaporation crystallization system has the advantages that the evaporation efficiency can be effectively improved; in addition, the conducting oil is basically in a constant temperature state; the constant temperature evaporation is realized; meanwhile, through the arrangement of the exhaust openings, the occurrence of heat conducting oil circulation dead corners is avoided; the evaporation effect is good.
Description
Technical field
This invention relates to the evaporation special equipment technical field of slurry, specifically a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder.
Background technology
Producing in the technique without vanadium rare earth based titanium tungsten powder catalyst, have the processing step of an evaporation drying, wherein, the water content of slurry is comparatively large, more than 50%, and requires temperature constant in evaporative drying process.And require further to improve evaporation efficiency.
Current evaporation tank principle is all undertaken by an electrically heated mode, and the steam be wherein evaporated just directly enters in air, brings a series of environmental problem.
Also have adopt evaporimeter evaporate, but due to the viscosity of this slurry higher, be very easy to result in blockage, make to produce and often interrupt.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder, for the evaporation of powdery slurry, that a kind of constant temperature is provided, stable evaporation equipment, and improve the efficiency of evaporation, secondary recovery is carried out to the steam be evaporated simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
Produce the evaporation and crystallization system without vanadium rare earth based titanium tungsten powder, it is characterized in that,
Comprise oil groove, evaporation tank body and heat conduction oil circulating pump tank, heat-insulation layer is provided with in the surrounding of described oil groove and bottom, at least two evaporation tank bodies be set up in parallel are fixed at the upper weld of described oil groove, upper edge and the oil groove of described evaporation tank body are welded to connect, electrically heated rod and temperature sensor is provided with in the described oil groove of falling heat-transfer oil, be provided with pipeline at two oil groove tops and one exhaust outlet be set in the height point position of oil groove, the external liquid level gauge upwards extended of described exhaust ports;
Be provided with a slurry in the side of each evaporation tank and add mouth, and a valve is set on the pipeline of each slurry interpolation mouth;
Installing one in one end of oil groove makes the conduction oil in oil groove carry out the heat conduction oil circulating pump tank circulated;
Some columns are welded at the edge of evaporation tank body, it is openable observation window between column, lambdoid top board is provided with at the top of column, and negative-pressure air fan is set at the peak place of end face, at the top of described column along the water leg being provided with level for a week of top board, described water leg is connected to a water tank by a branching pipe.
Further, an overflow ducts is set between adjacent two evaporation tanks.
Further, also arrange a crossbeam on the top of evaporation tank, and on crossbeam, install a rotating leading screw vertically arranged, be welded with a silk braid at the middle part of evaporation tank, described silk braid coordinates with leading screw simultaneously.
Further, the top of described leading screw is handwheel.
Further, described oil groove is one and adopts stainless steel welded long groove shape housing.
The invention has the beneficial effects as follows:
By the enforcement of this evaporation tank, effectively can improve evaporation efficiency, and conduction oil is in temperature constant state substantially, realizes evaporation at constant temperature, simultaneously by the setting of exhaust outlet, can avoid the dead angle occurring that conduction oil circulates, evaporation effect is better.
Be provided with evaporation water recovery system, can reclaim the distilled water collected, the moisture content of recovery accounts for more than 2/3rds of evaporation capacity, and water-saving result is obvious.
Evaporation tank adopts the technique of lifting and solder bond, and structure is more firm, and can regulate according to service time, avoids occurring sealing-off phenomenon.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of evaporation tank.
Fig. 2 is one of transverse sectional view of the present invention.
Fig. 3 is transverse sectional view two of the present invention.
Fig. 4 is longitudinal sectional view of the present invention.
In figure: 1 oil groove, 11 electrically heated rods, 12 temperature sensors, 13 exhaust outlets, 2 evaporation tanks, 21 pipelines, 22 overflow ducts, 3 heat conduction oil circulating pump tanks, 4 crossbeams, 41 leading screws, 42 silk braids, 5 slurries add mouth, 61 columns, 62 observation windows, 63 top boards, 64 negative-pressure air fans, 7 water legs.
Detailed description of the invention
As shown in Figures 1 to 4, for existing defect, protection main body of the present invention is as follows:
What develop is a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder, its basic principle is, conduction oil is utilized to coordinate electrically heated rod, temperature sensor to carry out thermostatic control heating, simultaneously, coordinate heat conduction oil circulating pump tank to realize the flowing of conduction oil, improve the uniformity of conduction oil further.Steam Recovery cover is set on the top of evaporation tank, and improves evaporation efficiency simultaneously.
Based on above-mentioned description, evaporation tank of the present invention comprises following several part:
Evaporation tank part, comprises oil groove 1, evaporation tank 2 and heat conduction oil circulating pump tank 3, and wherein, oil groove 1 is the long groove shape housing of a rectangle, adopts stainless steel welded forming, and arranges heat preservation rock in the surrounding of oil groove 1 and bottom, forms heat-insulation layer.Oil groove 1 frame, in a frame, fixes an evaporation tank 2 at the upper weld of oil groove, and evaporation tank 2 is an independently structure.Upper edge and oil groove 1 are welded to connect, and evaporation tank 2 is at least divided into two sections, segmentation be arranged in oil groove, entirety is rectangular-shaped.Can organize evaporation tank 2 according to how many designs of evaporation capacity, be wherein arranged side by side between multiple evaporation tank more, respectively filling slurry, forms the pattern that multistage evaporates simultaneously, improves evaporation efficiency.
Electrically heated rod 11 and temperature sensor 12 is provided with in oil groove below evaporation tank 2, be respectively used to heating and monitoring oil temperature, and conduction oil be filled in oil groove, simultaneously between two adjacent evaporation tanks 2, two pipelines 21 carry out through, realize the through of narrow regions, two oil groove 1 tops, usually have a small amount of gas at the top peak of oil groove, the existence of gas herein forms heat-conducting oil heating dead angle, affects evaporation effect.By the setting of above-mentioned pipeline, and an exhaust outlet 13 is set in one of them end of oil groove, the external liquid level gauge upwards extended of exhaust ports, form the effect be upwards vented, timely the additional air in oil groove can be discharged, conduction oil is fully flowed, increases evaporation efficiency.
A heat conduction oil circulating pump tank 3 is installed in one end of oil groove, its structure is the tank body that conduction oil is contained in an inside, pump is provided with in tank body, by the effect of pump, the conduction oil in oil groove is forced to circulate, in the process of flowing, realize the uniformity of conduction oil, there is better heating effect.
The crossbeam 4 of a horizontally set is set on the top of evaporation tank 2, and a rotating leading screw 41 vertically arranged is installed on crossbeam 4, wherein the top of leading screw is handwheel, be welded with a silk braid 42 at the middle part of evaporation tank simultaneously, vertical setting, silk braid 42 coordinates with leading screw, by the telescopic action of leading screw, the height at the bottom of the pond of evaporation tank can be regulated, to adapt to the phenomenon of expanding with heat and contract with cold of evaporation tank, and a kind of hanging effect is formed to evaporation tank, form a kind of support, avoid the groove of evaporation tank and oil groove to occur sealing-off along weld.
Be provided with a slurry in the side of each evaporation tank 2 and add mouth 5, the material that above-mentioned slurry adds in mouth 5 comes from same slurry supply line, interpolation slurry is carried out by delivery pump, and a valve is set on the pipeline of each slurry interpolation mouth, for controlling the speed that slurry adds, and then ensure that the slurry in each evaporation tank is in rational state.
In order to regulate the uniformity of the slurry between each evaporation tank, an overflow ducts 22 is set between adjacent two evaporation tanks 2, when wherein overflow ducts is arranged, as far as possible near the bottom of evaporation tank, realize the flowing of trace between the two, ensure that the quantity of the slurry in each evaporation tank is basically identical further.
Some columns 61 are welded at the edge of evaporation tank 2, heavy curtain is used to block between column, form observation window 62, bevelled top board 63 is established at the top of column, and negative-pressure air fan 64 is set at the peak place of end face, the air outlet of negative-pressure air fan 64 collects rear outer row, at the top of column along the water leg 7 being provided with level for a week of end face, water leg 7 is connected to a water tank by a branching pipe, forms a system of collecting distilled water.
Concrete evaporation process is as follows:
First by slurry filling in evaporation tank, then heat-conducting oil heating system and Heat-conduction oil circulation system is started, slurry in evaporation tank is evaporated, and the actual temperature of conduction oil is controlled by the temperature that temperature sensor records, and the negative-pressure air fan of open top part, most steam condenses after running into top board, and along inclined-plane landing in water leg, carry out the collection of distilled water, small part steam is directly along with discharge duct is arranged outward.Finally, what be left in evaporation tank is dry lump material, completes evaporation work.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (5)
1. produce the evaporation and crystallization system without vanadium rare earth based titanium tungsten powder, it is characterized in that,
Comprise oil groove (1), evaporation tank body (2) and heat conduction oil circulating pump tank (3), heat-insulation layer is provided with in the surrounding of described oil groove (1) and bottom, at least two evaporation tank bodies (2) be set up in parallel are fixed at the upper weld of described oil groove, upper edge and the oil groove (1) of described evaporation tank body (2) are welded to connect, electrically heated rod (11) and temperature sensor (12) is provided with in the described oil groove (1) of falling heat-transfer oil, be provided with pipeline (21) at two oil groove (1) tops and exhaust outlet (13) is set in the height point position of oil groove, the external liquid level gauge upwards extended of described exhaust ports,
Be provided with a slurry in the side of each evaporation tank (2) and add mouth (5), and a valve is set on the pipeline of each slurry interpolation mouth;
A heat conduction oil circulating pump tank (3) making the conduction oil in oil groove carry out circulating is installed in one end of oil groove;
Some columns (61) are welded at the edge of evaporation tank body (2), it is openable observation window (62) between column, lambdoid top board (63) is provided with at the top of column, and negative-pressure air fan (64) is set at the peak place of end face, at the top of described column along the water leg (7) being provided with level for a week of top board, described water leg (7) is connected to a water tank by a branching pipe.
2. a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder according to claim 1, is characterized in that, arranges a through overflow ducts (22) between adjacent two evaporation tank bodies (2).
3. a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder according to claim 1, it is characterized in that, also a crossbeam (4) is set on the top of evaporation tank body (2), and a rotating leading screw (41) vertically arranged is installed on crossbeam, be welded with a silk braid (42) at the middle part of evaporation tank, described silk braid coordinates with leading screw simultaneously.
4. a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder according to claim 3, is characterized in that, the top of described leading screw is handwheel.
5. a kind of evaporation and crystallization system of producing without vanadium rare earth based titanium tungsten powder according to claim 1, is characterized in that, described oil groove (1) is one and adopts stainless steel welded long groove shape housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510582612.0A CN105126381B (en) | 2015-09-15 | 2015-09-15 | Evaporation crystallization system for producing vanadium-free rare-earth base titanium tungsten powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510582612.0A CN105126381B (en) | 2015-09-15 | 2015-09-15 | Evaporation crystallization system for producing vanadium-free rare-earth base titanium tungsten powder |
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| CN105126381A true CN105126381A (en) | 2015-12-09 |
| CN105126381B CN105126381B (en) | 2017-02-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880593A (en) * | 1972-03-29 | 1975-04-29 | Fives Lille Cail | Crystallization apparatus |
| CN2231123Y (en) * | 1995-08-11 | 1996-07-17 | 北京化工大学 | Crystal separater |
| JPH10263301A (en) * | 1997-03-25 | 1998-10-06 | Osaka Gas Co Ltd | Liquid thickening |
| CN104324509A (en) * | 2014-11-13 | 2015-02-04 | 大理药业股份有限公司 | Special liquid medicine water bath heating and concentrating device used in clean area |
| CN205055480U (en) * | 2015-09-15 | 2016-03-02 | 山东东源新材料科技有限公司 | Produce no vanadium tombarthite base titanium and tungsten powder's evaporation crystal system |
-
2015
- 2015-09-15 CN CN201510582612.0A patent/CN105126381B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880593A (en) * | 1972-03-29 | 1975-04-29 | Fives Lille Cail | Crystallization apparatus |
| CN2231123Y (en) * | 1995-08-11 | 1996-07-17 | 北京化工大学 | Crystal separater |
| JPH10263301A (en) * | 1997-03-25 | 1998-10-06 | Osaka Gas Co Ltd | Liquid thickening |
| CN104324509A (en) * | 2014-11-13 | 2015-02-04 | 大理药业股份有限公司 | Special liquid medicine water bath heating and concentrating device used in clean area |
| CN205055480U (en) * | 2015-09-15 | 2016-03-02 | 山东东源新材料科技有限公司 | Produce no vanadium tombarthite base titanium and tungsten powder's evaporation crystal system |
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| CN105126381B (en) | 2017-02-01 |
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