CN217093281U - Ferrous sulfate monohydrate slurry preparation system - Google Patents
Ferrous sulfate monohydrate slurry preparation system Download PDFInfo
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- CN217093281U CN217093281U CN202123334661.2U CN202123334661U CN217093281U CN 217093281 U CN217093281 U CN 217093281U CN 202123334661 U CN202123334661 U CN 202123334661U CN 217093281 U CN217093281 U CN 217093281U
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Abstract
The utility model discloses a thick liquid system is joined in marriage to ferrous sulfate monohydrate ground paste belongs to sulfuric acid process titanium white powder production field, has solved the longer, the higher problem of steam and concentrated sulfuric acid consumption of production transfer crystal time among the traditional art, and it includes the thick liquids distributor, the thick liquids distributor is connected with centrifugal module, centrifugal module is connected with the heating and changes brilliant module, the heating is changeed brilliant module and is connected with the ground paste processing module, the ground paste processing module is connected with transportation module and mother liquor processing module, has realized reduction in production cost, improves the stable technological effect of production system.
Description
Technical Field
The utility model belongs to sulfuric acid process titanium white powder production field, concretely relates to slurry system is joined in marriage to ferrous sulfate monohydrate ground paste.
Background
Titanium dioxide is an important inorganic chemical pigment, and the main component is titanium dioxide. The production process of titanium dioxide comprises two process routes of a sulfuric acid method and a chlorination method. Wherein, the titanium dioxide has important application in the industries of paint, printing ink, paper making, plastic rubber, chemical fiber, ceramics and the like.
At present, most of productivity in the world still uses a sulfuric acid method to produce titanium dioxide, 3-4 t of ferrous sulfate heptahydrate is produced every 1t of titanium dioxide is produced, and a common method for preparing ferrous sulfate monohydrate by ferrous sulfate heptahydrate comprises 1, heating saturated ferrous sulfate heptahydrate to 90-130 ℃ for recrystallization, separating out ferrous sulfate monohydrate, and then carrying out centrifugal filtration separation, wherein the method needs to consume more heat, and pure water or ferrous sulfate monohydrate mother liquor is used for preparing saturated ferrous sulfate heptahydrate slurry; 2. the ferrous sulfate monohydrate is obtained by forcibly dehydrating sulfuric acid with the mass fraction of more than 50 percent, and the method consumes more concentrated sulfuric acid; 3. dehydrating with ethanol to obtain ferrous sulfate monohydrate. At present, ferrous sulfate monohydrate mother liquor is generally used at home to prepare slurry, then is heated and recrystallized through steam, and then is centrifugally separated to obtain ferrous sulfate monohydrate.
SUMMERY OF THE UTILITY MODEL
Longer, the higher problem of concentrated sulfuric acid consumption of steam and the production crystal transfer time among the prior art, the utility model provides a thick liquid system is joined in marriage to ferrous sulfate monohydrate ground paste, its aim at: the production cost is reduced, and the stability of a production system is improved.
The utility model adopts the technical scheme as follows:
the utility model provides a ferrous sulfate monohydrate ground paste joined in marriage thick liquid system, includes the thick liquids distributor, the thick liquids distributor is connected with centrifugal module, centrifugal module is connected with the heating and changes brilliant module, the heating changes brilliant module and is connected with ground paste processing module, ground paste processing module is connected with transportation module and mother liquor processing module.
Adopt above-mentioned scheme, the accessible thick liquids distributor distributes the ferrous sulfate heptahydrate that produces in the titanium white powder production of sulfuric acid process to follow-up device, can be with ferrous sulfate heptahydrate solid-liquid separation through centrifugal module, preliminarily extract ferrous sulfate heptahydrate, follow-up heating rotary crystal module can separate out ferrous sulfate monohydrate, after ferrous sulfate monohydrate is separated out, can carry the material through the transportation module, wherein the heating rotary crystal module is connected with centrifugal module, can return partial ferrous sulfate monohydrate ground paste to centrifugal module, through this step, ferrous sulfate monohydrate chemical reaction has been shortened, steam loss has been reduced simultaneously, and the crystal transformation time has been reduced, energy saving and consumption reduction, the technological effect of compression cost has been played.
The centrifugal module comprises a double-push centrifugal machine, the double-push centrifugal machine is connected with a first skin conveyer, the first skin conveyer is connected with a centrifugal ferrous iron slurry distribution groove, and the centrifugal ferrous iron slurry distribution groove is connected with a ferrous iron slurry conveying pump.
By adopting the scheme, solid-liquid separation can be carried out on ferrous sulfate heptahydrate by the double-push centrifugal machine to obtain ferrous sulfate heptahydrate particles, so that subsequent preparation of slurry is facilitated, and the purity of the ferrous sulfate heptahydrate slurry is ensured.
The heating crystal conversion module comprises a primary heating crystal conversion groove and a secondary heating crystal conversion groove which are sequentially connected.
By adopting the scheme, the solid ferrous sulfate monohydrate can be obtained through the primary heating crystal transformation tank and the secondary heating crystal transformation tank.
The slurry processing module comprises a water slurry buffer tank and a scraper centrifuge which are sequentially connected, one end of the scraper centrifuge is connected with the transportation module, the other end of the scraper centrifuge is connected with a mother liquor processing module, and the water slurry buffer tank is connected with the centrifugal ferrous iron slurry preparation tank.
By adopting the scheme, the solid ferrous sulfate monohydrate and the filtrate obtained by separating the centrifugal module through the scraper centrifuge can be subjected to centralized processing on solid ferrous sulfate monohydrate particles of the filtrate box through the structure, so that the collection and treatment efficiency of crystal transfer products is improved.
The mother liquor processing module comprises a jellyfish chute, the jellyfish chute is connected with a jellyfish ground trough, and the jellyfish ground trough is connected with a neutralization pond.
By adopting the scheme, the filtrate obtained in the scraper centrifuge can be subjected to centralized treatment, and the filtrate is subjected to harmless treatment through the neutralization tank, so that the technical effect of environmental protection is realized.
The transportation module comprises a second skin conveyer and a third skin conveyer.
The double-push centrifugal machine is connected with a ferrous sulfate heptahydrate centrifugal mother liquor ground tank.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. accessible slurry distributor distributes the heptahydrate ferrous sulfate that produces in the titanium white powder production of sulfuric acid process to follow-up device, can be with heptahydrate ferrous sulfate solid-liquid separation through centrifugal module, preliminarily extract the heptahydrate ferrous sulfate, follow-up heating rotary crystallization module can separate out ferrous sulfate monohydrate, the back is separated out to ferrous sulfate monohydrate, can carry the material through the transportation module, wherein the heating rotary crystallization module is connected with centrifugal module, can return partial ferrous sulfate monohydrate ground paste to centrifugal module, through this step, ferrous sulfate monohydrate chemical reaction has been shortened, the steam loss has been reduced simultaneously, and the crystal transformation time has been reduced, energy saving and consumption reduction, the technological effect of compression cost has been played.
2. Solid-liquid separation can be carried out on the ferrous sulfate heptahydrate by a double-push centrifugal machine to obtain ferrous sulfate heptahydrate particles, so that subsequent preparation of slurry is facilitated, and the purity of the ferrous sulfate heptahydrate slurry is ensured.
3. The solid ferrous sulfate monohydrate can be obtained through a first-stage heating crystal conversion tank and a second-stage heating crystal conversion tank.
4. Solid ferrous sulfate monohydrate and the filtrating that accessible scraper centrifuge separation centrifugal module obtained, through this kind of structure, can be to concentrated processing filtrating box solid ferrous sulfate monohydrate granule, improved the collection and the treatment effeciency of commentaries on classics crystal production.
5. The filter liquor obtained in the scraper centrifuge can be treated in a centralized manner, and the filter liquor is harmlessly treated through the neutralization tank, so that the technical effect of environmental protection is realized.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic flow diagram of the present invention;
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1.
The utility model provides a thick liquid system is joined in marriage to ferrous sulfate monohydrate ground paste, includes the thick liquids distributor, the thick liquids distributor is connected with centrifugal module, centrifugal module is connected with the heating and changes brilliant module, the heating changes brilliant module and is connected with ground paste processing module, ground paste processing module is connected with the transportation module, ground paste processing module connects centrifugal module, centrifugal module is including two centrifuge that push away, two centrifuge that push away is connected with skin fortune machine No. one, skin fortune machine is connected with the centrifugation ferrous and joins in marriage the thick liquid groove, the centrifugation ferrous is joined in marriage the thick liquid groove and is connected with ferrous ground paste delivery pump, the transportation module includes skin fortune machine No. two and skin fortune machine No. three.
The heating crystal conversion module comprises a primary heating crystal conversion groove, and the primary heating crystal conversion groove is connected with a secondary heating crystal conversion groove.
The slurry processing module comprises a water slurry buffer tank and a scraper centrifuge which are sequentially connected, one end of the scraper centrifuge is connected with the transportation module, the other end of the scraper centrifuge is connected with a mother liquor processing module, and the water slurry buffer tank is connected with the centrifugal ferrous iron slurry preparation tank.
The mother liquor processing module comprises a jellyfish chute, the jellyfish chute is connected with a jellyfish ground trough, and the jellyfish ground trough is connected with a neutralization pond.
The double-push centrifugal machine is connected with a ferrous sulfate heptahydrate centrifugal mother liquor ground tank.
In the above embodiment, the centrifugal module includes a double-push centrifuge, the double-push centrifuge can complete feeding, separation, washing and drying of the ferrous sulfate heptahydrate, the ferrous sulfate heptahydrate slurry can be separated into ferrous sulfate heptahydrate solid and ferrous sulfate heptahydrate mother liquor, the ferrous sulfate heptahydrate mother liquor is discharged into a ferrous sulfate heptahydrate mother liquor ground tank for centralized treatment, the ferrous sulfate heptahydrate solid is discharged into a first belt conveyor for conveying, and is configured into ferrous sulfate heptahydrate slurry capable of being subjected to crystal transformation treatment through a ferrous sulfate centrifugal slurry preparation tank, and the ferrous sulfate heptahydrate slurry is pumped into the crystal transformation module through a ferrous slurry conveying pump for crystal transformation treatment.
The ferrous sulfate heptahydrate slurry can be subjected to primary crystal transformation and secondary crystal transformation through the crystal transformation module to obtain ferrous sulfate monohydrate slurry, the ferrous sulfate monohydrate slurry can be subjected to solid-liquid separation through the slurry treatment module, and in a specific position, the ferrous sulfate monohydrate slurry is subjected to solid-liquid separation through the scraper centrifuge to obtain ferrous sulfate monohydrate solid and ferrous sulfate monohydrate mother liquor, wherein the ferrous sulfate monohydrate solid is transported and sent out through a second skin conveyor and a third skin conveyor. Discharging the ferrous sulfate monohydrate mother liquor into a mother liquor treatment module, treating the ferrous sulfate monohydrate mother liquor through a ferrous sulfate monohydrate chute, a ferrous sulfate monohydrate ground tank and a ferrous sulfate monohydrate neutralization tank, and finally discharging pollution-free waste water, wherein part of the ferrous sulfate monohydrate mother liquor is introduced into a double-push centrifugal machine to repeatedly screen ferrous sulfate monohydrate which is not separated.
One of them aqueous slurry dashpot is joined in marriage the thick liquid groove with the centrifugation ferrous iron and is connected, can return partial finished product ferrous sulfate monohydrate, through this structure, can reduce the steam quantity to shortened production time, one of them level changes brilliant, the second grade changes brilliant time and has shortened 30 minutes, improves productivity 2t/h, solves steam 0.5t/h, greatly reduced manufacturing cost, and the difficult jam that takes place of aqueous slurry dashpot to scraper centrifuge workshop section, production system's stability has obtained the improvement.
The above embodiments only express specific embodiments of the present application, and the description is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (5)
1. The utility model provides a thick liquid system is joined in marriage to ferrous sulfate monohydrate ground paste, a serial communication port, including the thick liquids distributor, the thick liquids distributor is connected with centrifugal module, centrifugal module is connected with the heating and changes brilliant module, the heating changes brilliant module and is connected with ground paste processing module, ground paste processing module is connected with transportation module and mother liquor processing module, centrifugal module is including two centrifuge that push away, two centrifuge that push away is connected with skin fortune machine No. one, skin fortune machine is connected with the centrifugal ferrous and joins in marriage the thick liquid groove, the centrifugal ferrous slurry groove of joining in marriage is connected with ferrous ground paste delivery pump, the transportation module includes skin fortune machine No. two and skin fortune machine No. three.
2. The ferrous sulfate monohydrate slurry proportioning system according to claim 1, wherein the heating and crystal transformation module comprises a primary heating and crystal transformation tank and a secondary heating and crystal transformation tank which are connected in sequence.
3. The ferrous sulfate monohydrate slurry proportioning system according to claim 1, wherein the slurry processing module comprises a ferrous sulfate monohydrate slurry buffer tank and a scraper centrifuge which are connected in sequence, one end of the scraper centrifuge is connected with the transportation module, the other end of the scraper centrifuge is connected with a mother liquor processing module, and the ferrous sulfate monohydrate slurry buffer tank is connected with the ferrous sulfate monohydrate slurry proportioning tank.
4. The ferrous sulfate monohydrate slurry dispensing system according to claim 3 wherein said liquor treatment module comprises a liquor trough to which a liquor ground tank is connected, said liquor ground tank being connected to a neutralization pond.
5. The ferrous sulfate monohydrate slurry proportioning system according to claim 1, wherein the double-push centrifuge is connected with a ferrous sulfate heptahydrate centrifugal mother liquor ground tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334661.2U CN217093281U (en) | 2021-12-28 | 2021-12-28 | Ferrous sulfate monohydrate slurry preparation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334661.2U CN217093281U (en) | 2021-12-28 | 2021-12-28 | Ferrous sulfate monohydrate slurry preparation system |
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| CN217093281U true CN217093281U (en) | 2022-08-02 |
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| CN202123334661.2U Active CN217093281U (en) | 2021-12-28 | 2021-12-28 | Ferrous sulfate monohydrate slurry preparation system |
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