CN206799175U - A kind of device of thermal phosphoric acid waste heat production liquid sodium silicate - Google Patents
A kind of device of thermal phosphoric acid waste heat production liquid sodium silicate Download PDFInfo
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- CN206799175U CN206799175U CN201720404466.7U CN201720404466U CN206799175U CN 206799175 U CN206799175 U CN 206799175U CN 201720404466 U CN201720404466 U CN 201720404466U CN 206799175 U CN206799175 U CN 206799175U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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Abstract
The utility model discloses a kind of device of thermal phosphoric acid waste heat production liquid sodium silicate, belong to phosphorous chemical industry production technical field.The device includes water measuring tank, feeding structure, sealing structure, drum-type reactor, vapor-liquid separating structure, surge tank, filter-press arrangement and finished pot, the water measuring tank is connected by pipeline with feeding structure, sealing structure is provided between the discharging opening of the feeding structure and the charging aperture of drum-type reactor, the air inlet of the drum-type reactor is connected by pipeline with the drum on combustion tower；The feed end of the vapor-liquid separating structure is connected by pipeline with the discharging opening of drum-type reactor, and its outlet side is connected by pipeline with water measuring tank, and its outlet end, surge tank, filter-press arrangement and finished pot are sequentially connected by pipeline.The device can utilize the waste heat of phosphorous acid production by BEP system, reduce energy consumption, reduce cost；Meanwhile the device can stably obtain the product of 3.0 3.1 moduluses, the production time is short, and product quality is high.
Description
Technical field
The utility model belongs to phosphorous chemical industry production technical field, more particularly to a kind of thermal phosphoric acid waste heat production liquid silicic acid
The device of sodium.
Background technology
It is well known that the method for phosphoric acid production mainly has two kinds of wet method and Re Fa.Wherein use sulfuric acid and other mineral acids
It is phosphoric acid by wet process to manage the phosphoric acid that rock phosphate in powder makes；It is elemental phosphorous with electric furnace or blast fumance and after the phosphoric acid that is obtained through metabolic water then
Referred to as thermal phosphoric acid.Compared with phosphoric acid by wet process, the purity and concentration of thermal phosphoric acid are higher.Therefore in many fields, application is wide
It is general, and as the raising of industrial expansion and living standards of the people, the demand of thermal phosphoric acid are increasing.
The production of domestic thermal phosphoric acid at present, there is no and carry out effective UTILIZATION OF VESIDUAL HEAT IN.Due to P in phosphoric furnace2O5Cigarette
Gas has extremely strong corrosivity, and corrodes aggravation with the rise of temperature.Therefore by reducing the temperature of high-temperature flue gas in phosphoric furnace
Spend and mitigate the purpose corroded to reach, the perisporium of domestic existing phosphoric furnace arranges heat exchange jacket and up arranges drum, enters
Saliva temperature is about 35-40 DEG C, and exit water temperature is about 50-55 DEG C.The largely vapor with heat can be produced in drum, if directly
Discharge can cause the waste of resource.
Sodium metasilicate, sodium silicate is commonly called as, is a kind of water-soluble silicate, its aqueous solution is commonly called as waterglass, is a kind of ore deposit bonding
Agent.Its chemical formula is R2OnSiO2, and R2O is alkali metal oxide in formula, and n is silica and alkali metal oxide molal quantity
Ratio, referred to as waterglass the number that rubs, architectural conventional waterglass is the aqueous solution of sodium metasilicate.
Auxiliary material of the liquid sodium silicate as titanium dioxide, common preparation method are：Using silica, soda ash and water as original
Material reaction forms, and has the shortcomings of reaction time length, high energy consumption and unstable product quality using this method.
The content of the invention
The utility model embodiment uses new liquid sodium silicate process units, and the device can not only utilize hot method phosphorus
Sour waste heat, the product of better quality can also be obtained.The technical scheme is as follows：
The utility model embodiment provides a kind of device of thermal phosphoric acid waste heat production liquid sodium silicate, and the device includes
Water measuring tank, feeding structure, sealing structure, drum-type reactor, vapor-liquid separating structure, surge tank, filter-press arrangement and finished pot,
The water measuring tank is connected by pipeline with feeding structure, the discharging opening of the feeding structure and the charging aperture of drum-type reactor
Between be provided with sealing structure, the air inlet of the drum-type reactor is connected by pipeline with the drum on combustion tower；The gas
The feed end of liquid isolating construction is connected by pipeline with the discharging opening of drum-type reactor, and its outlet side is measured by pipeline and water
Tank is connected, and its outlet end, surge tank, filter-press arrangement and finished pot are sequentially connected by pipeline.
Wherein, the drum-type reactor in the utility model embodiment includes cylinder 1, rotates the roller being located in cylinder 1
2nd, one end of the cylinder 1 and motor 3, the feed and exhaust tube of the other end of cylinder 1, the inwall of cylinder 1 that are rotated for driving drum 2 are arranged at intervals
Multi-disc dividing plate 4 and the top of cylinder 1 charging aperture, the cylinder 1 is Horizontal enclosed cylinder, and sealing structure 5 is plugged in cylinder 1
On charging aperture, the feed and exhaust tube is provided with steam pipe 8 and discharge nozzle 11, and the steam pipe 8 is connected with drum, the discharge nozzle
11 are connected with the feed end of vapor-liquid separating structure.
Wherein, the steam pipe 8 in the utility model embodiment is provided with ball valve 10 and pressure gauge 9, on the discharge nozzle 11
Provided with unidirectional stop valve 12.
Wherein, the roller 2 in the utility model embodiment rotates around the axis of cylinder 1, axle of the dividing plate 4 along cylinder 1
Line direction is set.
Wherein, the water measuring tank in the utility model embodiment is provided with liquid level gauge and it is connected with running water pipe.
The beneficial effect brought of technical scheme that the utility model embodiment provides is：
(1) process units for the liquid sodium silicate that this patent provides can utilize the waste heat of phosphorous acid production by BEP system, reduce
Energy consumption, reduces cost；
(2) product of 3.0-3.1 moduluses can be stably obtained, the production time is short, and product quality is high.
Brief description of the drawings
Fig. 1 is the principle frame of the device for the thermal phosphoric acid waste heat production liquid sodium silicate that the utility model embodiment provides
Figure；
Fig. 2 is the structural representation for the drum-type reactor that the utility model embodiment provides；
Fig. 3 is the sectional view for the drum-type reactor that the utility model embodiment provides.
In figure：1 cylinder, 2 rollers, 3 motors, 4 dividing plates, 5 sealing structures, 6 augers, 7 water inlet pipes, 8 steam pipes, 9 pressure gauges,
10 ball valves, 11 discharge nozzles, 12 unidirectional stop valves.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
Wherein, phosphorous acid production by BEP system includes phosphorus-melting groove, combustion tower, the drum on combustion tower, one-level Hydrated structure, two
Level Hydrated structure, filter and finished product storage tank etc..Wherein, combustion tower includes tower body, the low head of tower body lower end, tower body upper end
Upper cover, the phosphorus spray gun of tower body bottom, heat exchange jacket outside heat exchanger tube and tower body in tower body etc., heat exchanger tube and heat exchange jacket lead to
Cross pipeline to be connected with drum, low head is externally provided with insulation jacket and is used to be phosphorus spray gun heating, and the insulation jacket connects with hot-water boiler
Connect.
Referring to Fig. 1, the utility model embodiment provides a kind of device of thermal phosphoric acid waste heat production liquid sodium silicate, should
Device includes water measuring tank, feeding structure, sealing structure, drum-type reactor, vapor-liquid separating structure, surge tank, filter-press arrangement
With finished pot etc., wherein, water measuring tank is used for the quantitative gas-liquid mixture for providing to feeding structure and being separated by vapor-liquid separating structure
The hot water of preheating；Feeding structure is used to feed hot water and sodium silicate solid to drum-type reactor, is specifically as follows auger；Sealing
Structure is used to after the completion of feeding seal drum-type reactor, and its concrete structure is the movable tremie pipe with screw flange
（Its outside is provided with handle, and correspondingly auger is provided with the chain for being used for bundling handle）, its concrete structure is referred to boiler people
It sealing structure on pipe, can be fed when lifting, sealing is formed when putting down；Roller is provided with drum-type reactor by hot water and solid
Sodium metasilicate is sufficiently mixed under 0.4MPa or so pressure；Vapor-liquid separating structure is used to carry out gas-liquid separation to reacted liquid,
Steam water interface, which is passed through in water measuring tank, to be preheated and is kept the skin wet to water, and liquid can obtain product after filtering；Press filtration
Structure is specially plate and frame filter press.Wherein, water measuring tank passes through pipeline and feeding structure（Discharging opening）Connection, feeding structure
Sealing structure is provided between the charging aperture of discharging opening and drum-type reactor.Wherein, the air inlet of drum-type reactor passes through pipe
Road is connected with the drum on combustion tower, drum provide steam effect have it is multiple：(1) providing pressure makes reaction left in 0.4MPa
Carried out under right pressure, (2) provide heat for reaction, allow reaction faster, more uniformly to carry out, and (3) provide discharging and separation of solid and liquid
Pressure.Wherein, the feed end of vapor-liquid separating structure is connected by pipeline with the discharging opening of drum-type reactor, gas-liquid separation knot
The outlet side of structure is connected by pipeline with water measuring tank（The pipeline stretches into water measuring tank bottom）, vapor-liquid separating structure goes out liquid
End, surge tank, filter-press arrangement and finished pot are sequentially connected by pipeline.Preferably, the discharging opening of drum-type reactor and air inlet
Mouth is realized by same feed inlet and outlet（Valve is which is provided with to be controlled）.Specifically, water measuring tank, feeding structure and gas-liquid separation
Above drum-type reactor, drum-type reactor, surge tank, filter-press arrangement and finished pot are respectively positioned on ground structure.
Wherein, referring to Fig. 2, the drum-type reactor in the utility model embodiment includes cylinder 1, rotates and is located at cylinder 1
In roller 2, the one end of cylinder 1（Left end）And motor 3, the other end of cylinder 1 rotated for driving drum 2（Right-hand member）Input and output material
Pipe, the spaced multi-disc dividing plate 4 of the inwall of cylinder 1 and the charging aperture on the top of cylinder 1 etc..Wherein, cylinder 1 is Horizontal enclosed cylinder
Body, specially cylindrical structural, its both ends are provided with end socket, and feed and exhaust tube is on the end socket of right-hand member.Insert the lower end of sealing structure 5
It is located on the charging aperture of cylinder 1, its upper end is plugged in auger 6（Feeding structure）Discharging opening on, the discharging opening of auger 6 is provided with
Water inlet pipe 7 is used to be connected with water measuring tank.A feed and exhaust tube is two, which is provided with steam pipe 8 and discharge nozzle 11, discharge nozzle 11
Located at the outside of steam pipe 8（Compared with steam pipe 8 away from cylinder 1）, steam pipe 8 is connected with drum, discharge nozzle 11 and vapor-liquid separating structure
Feed end connection.
Wherein, referring to Fig. 2, the steam pipe 8 in the utility model embodiment is provided with ball valve 10 and pressure gauge 9（Closer to
Cylinder 1）, discharge nozzle 11 is provided with unidirectional stop valve 12.
Wherein, referring to Fig. 2, the roller 2 in the utility model embodiment rotates around the axis of cylinder 1, specifically, roller 2
Axis of the rotating shaft along cylinder 1 set；Axis direction of the dividing plate 4 along cylinder 1 is set, at the same dividing plate 4 on the inwall of cylinder 1 along cylinder
Body 1 is radially arranged.
Wherein, the water measuring tank in the utility model embodiment is provided with liquid level gauge and it is connected with running water pipe.
The utility model embodiment provides a kind of device of thermal phosphoric acid waste heat production liquid sodium silicate, and the device can profit
With the waste heat of phosphorous acid production by BEP system, reduce energy consumption, reduce cost；Meanwhile the device can stably obtain 3.0-3.1 moulds
Several products, the production time is short, and product quality is high.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (5)
- A kind of 1. device of thermal phosphoric acid waste heat production liquid sodium silicate, it is characterised in that including water measuring tank, feeding structure, Sealing structure, drum-type reactor, vapor-liquid separating structure, surge tank, filter-press arrangement and finished pot, the water measuring tank pass through pipe Road is connected with feeding structure, and sealing structure is provided between the discharging opening of the feeding structure and the charging aperture of drum-type reactor, The air inlet of the drum-type reactor is connected by pipeline with the drum on combustion tower；The feed end of the vapor-liquid separating structure It is connected by pipeline with the discharging opening of drum-type reactor, its outlet side is connected by pipeline with water measuring tank, its outlet end, is delayed Tank, filter-press arrangement and finished pot is rushed to be sequentially connected by pipeline.
- 2. the device of thermal phosphoric acid waste heat production liquid sodium silicate according to claim 1, it is characterised in that the roller Formula reactor includes cylinder (1), rotates the roller (2) being located in cylinder (1), cylinder (1) one end and revolved for driving drum (2) Motor (3), the feed and exhaust tube, the spaced multi-disc dividing plate (4) of cylinder (1) inwall and the cylinder (1) of cylinder (1) other end turned The charging aperture on top, the cylinder (1) are Horizontal enclosed cylinder, and sealing structure (5) is plugged on the charging aperture of cylinder (1), institute State feed and exhaust tube and be provided with steam pipe (8) and discharge nozzle (11), the steam pipe (8) is connected with drum, the discharge nozzle (11) It is connected with the feed end of vapor-liquid separating structure.
- 3. the device of thermal phosphoric acid waste heat production liquid sodium silicate according to claim 2, it is characterised in that the steam Pipe (8) is provided with ball valve (10) and pressure gauge (9), and the discharge nozzle (11) is provided with unidirectional stop valve (12).
- 4. the device of thermal phosphoric acid waste heat production liquid sodium silicate according to claim 2, it is characterised in that the roller (2) axis around cylinder (1) is rotated, and axis direction of the dividing plate (4) along cylinder (1) is set.
- 5. the device of thermal phosphoric acid waste heat production liquid sodium silicate according to claim 2, it is characterised in that the water meter Measuring tank is provided with liquid level gauge and it is connected with running water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404466.7U CN206799175U (en) | 2017-04-18 | 2017-04-18 | A kind of device of thermal phosphoric acid waste heat production liquid sodium silicate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720404466.7U CN206799175U (en) | 2017-04-18 | 2017-04-18 | A kind of device of thermal phosphoric acid waste heat production liquid sodium silicate |
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| CN206799175U true CN206799175U (en) | 2017-12-26 |
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| CN201720404466.7U Active CN206799175U (en) | 2017-04-18 | 2017-04-18 | A kind of device of thermal phosphoric acid waste heat production liquid sodium silicate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117084A (en) * | 2017-12-06 | 2018-06-05 | 安徽凤阳赛吉元无机材料有限公司 | A kind of white carbon black production water glass solution heat reclaim unit |
| CN110368888A (en) * | 2018-04-13 | 2019-10-25 | 青岛海湾化学有限公司 | A kind of material device for liquid sodium silicate production |
-
2017
- 2017-04-18 CN CN201720404466.7U patent/CN206799175U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117084A (en) * | 2017-12-06 | 2018-06-05 | 安徽凤阳赛吉元无机材料有限公司 | A kind of white carbon black production water glass solution heat reclaim unit |
| CN110368888A (en) * | 2018-04-13 | 2019-10-25 | 青岛海湾化学有限公司 | A kind of material device for liquid sodium silicate production |
| CN110368888B (en) * | 2018-04-13 | 2024-06-04 | 青岛海湾化学股份有限公司 | Material melting device for liquid sodium silicate production |
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