CN104556206B - A kind of production unit of the zinc sulphide in optical infrared imaging - Google Patents
A kind of production unit of the zinc sulphide in optical infrared imaging Download PDFInfo
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- CN104556206B CN104556206B CN201510040030.XA CN201510040030A CN104556206B CN 104556206 B CN104556206 B CN 104556206B CN 201510040030 A CN201510040030 A CN 201510040030A CN 104556206 B CN104556206 B CN 104556206B
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Abstract
The invention discloses a kind of production unit of the zinc sulphide in optical infrared imaging, comprise zinc sulfate reactor, first buffer tank, solid-liquid filtration device, at least two cover knot screens, zinc sulphide reactor and second buffer tank supporting with it, washing kettle, whizzer, drying unit and shredding unit, this production unit generates zinc sulfate after utilizing zinc oxide and sulfuric acid reaction, solution of zinc sulfate filters out after solid impurity through solid-liquid filtration device and carries out at least twice removal of impurities, then join in zinc sulphide reactor and react with hydrogen sulfide, eventually pass through washing, dehydration, oven dry and pulverizing obtain zinc sulphide, it is organic that this production unit can effectively be removed in production process, inorganic and mechanical impurity, make finally to obtain power zinc sulphide purity high, the application in optical infrared imaging can be met.
Description
Technical field
The present invention relates to a kind of production unit of zinc sulphide, the zinc sulphide that this production unit is produced is applicable in optical infrared imaging.
Background technology
The application of current zinc sulphide market is constantly expanded, and is particularly rapidly developed in infrared imaging field.Infrared imagery technique has that operating distance is far away, strong interference immunity, penetrate flue dust, haze ability strong, can the advantage such as round-the-clock, round-the-clock work, obtain applying very widely in dual-use fields such as infrared track, search, identification, detection, guidances, material based on zinc sulphide, has demand widely in infrared imagery technique field.
On market, common zinc sulfide can not meet the requirement of infra-red material, and reason is that metals content impurity is wherein higher, thus has influence on the performance of infra-red material.The wherein ultrared penetration coefficient of the higher impact of impurity iron content, makes current common zinc sulfide cannot meet infra-red material application requiring.
Summary of the invention
Technical problem to be solved by this invention is: the production unit providing a kind of zinc sulphide in optical infrared imaging, this production unit effectively can remove the organic and inorganic and mechanical impurity in production process, make finally to obtain power zinc sulphide purity high, the application in optical infrared imaging can be met.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of production unit of the zinc sulphide in optical infrared imaging, comprises
Zinc sulfate reactor and first buffer tank supporting with this zinc sulfate reactor, this zinc sulfate reactor is provided with zinc oxide to be added mouth and sulphuric acid soln and adds mouth, and this first buffer tank is arranged at the downstream of zinc sulfate reactor and the opening for feed of the first buffer tank is communicated with the discharge opening pipeline of zinc sulfate;
Be arranged at the solid-liquid filtration device in the first buffer tank downstream, pipeline communication between the opening for feed of this solid-liquid filtration device and the discharge port of the first buffer tank connect;
Be arranged at least two cover knot screens in solid-liquid filtration device downstream, mutually connect between this knot screen, knot screen comprises removal of impurities reactor and removal of impurities buffer tank, this removal of impurities reactor is provided with opening for feed, discharge port and removal of impurities liquid and adds mouth, pipeline communication between the opening for feed of the removal of impurities reactor in upstream and the discharge port of solid-liquid filtration device, be positioned at the opening for feed pipeline communication of the discharge port of the reactor of the upstream removal of impurities buffer tank corresponding with it, and the discharge port of removal of impurities buffer tank is communicated with the opening for feed of removal of impurities reactor of the knot screen being positioned at downstream;
Be arranged at the zinc sulphide reactor in knot screen downstream and second buffer tank supporting with it, this zinc sulphide reactor is provided with opening for feed, discharge port, hydrogen sulfide interpolation mouth and sulfuric acid export mouth, the opening for feed of this zinc sulphide reactor is communicated with the discharge opening pipeline of the removal of impurities buffer tank of the knot screen of upstream;
Be arranged at the washing kettle in zinc sulphide reactor downstream, this washing kettle is provided with opening for feed, discharge port, pure water interpolation mouth and assorted fluid outlet, and the opening for feed of described washing kettle is communicated with the discharge opening pipeline of the second buffer tank;
Be arranged at the whizzer in washing kettle downstream, pipeline communication between the discharge port of this washing kettle and the opening for feed of whizzer;
Drying unit and shredding unit, this drying unit is arranged at whizzer downstream, and this shredding unit is arranged at the downstream of drying unit.
As the preferred scheme of one, the quantity of described knot screen is three covers, comprise the upstream knot screen being positioned at upstream respectively, be positioned at the middle reaches knot screen in middle reaches and be positioned at the downstream knot screen in downstream, the opening for feed of the removal of impurities reactor of this upstream knot screen is communicated with the discharge port of solid-liquid filtration device, the discharge port of the removal of impurities buffer tank of upstream knot screen is communicated with the opening for feed of the removal of impurities reactor of middle reaches knot screen, the discharge port of the removal of impurities buffer tank of this middle reaches knot screen is communicated with the opening for feed of the removal of impurities reactor of downstream knot screen, the discharge port of the removal of impurities buffer tank of this downstream knot screen is communicated with the opening for feed of zinc sulphide reactor.
As the preferred scheme of one, whipping appts is provided with in described removal of impurities reactor, this whipping appts comprises the stir shaft rotating and be installed in removal of impurities reactor, and the top of this removal of impurities reactor is provided with power set, is in transmission connection between this power set and stir shaft.
As the preferred scheme of one, the sulfuric acid export mouth of described zinc sulphide reactor and the sulphuric acid soln of zinc sulfate reactor add mouth pipeline communication.
As the preferred scheme of one, the quantity of described zinc sulfate reactor and the first buffer tank is two, one of them zinc sulfate reactor and the first buffer tank in parallel with another zinc sulfate reactor and the first buffer tank, the discharge port of two the first buffer tanks is all communicated with the opening for feed of solid-liquid filtration device.
As the preferred scheme of one, described drying unit is electrically heated baking oven.
After have employed technique scheme, effect of the present invention is: this Preparation equipment utilizes zinc oxide and sulfuric acid to be prepared into solution of zinc sulfate, then tentatively solid impurity is filtered out through solid-liquid filtration device, then removal of impurities is carried out through at least two cover knot screens, remove metallic impurity and obtain the high solution of zinc sulfate of purity, then in zinc sulphide reactor, hydrogen sulfide is passed into, it is made to produce zinc sulphide, eventually pass washing, drying, pulverize and obtain the high zinc sulphide of purity, can on the infrared imaging of adaptive optics.
Again because the quantity of described knot screen is three covers, comprise the upstream knot screen being positioned at upstream respectively, be positioned at the middle reaches knot screen in middle reaches and be positioned at the downstream knot screen in downstream, the opening for feed of the removal of impurities reactor of this upstream knot screen is communicated with the discharge port of solid-liquid filtration device, the discharge port of the removal of impurities buffer tank of upstream knot screen is communicated with the opening for feed of the removal of impurities reactor of middle reaches knot screen, the discharge port of the removal of impurities buffer tank of this middle reaches knot screen is communicated with the opening for feed of the removal of impurities reactor of downstream knot screen, the discharge port of the removal of impurities buffer tank of this downstream knot screen is communicated with the opening for feed of zinc sulphide reactor, three cover knot screens are through three impurity removal and purifications, thus make the foreign matter content of zinc sulfate little as far as possible, the purity of zinc sulfate is improved.
Again owing to being provided with whipping appts in described removal of impurities reactor, this whipping appts comprises the stir shaft rotating and be installed in removal of impurities reactor, the top of this removal of impurities reactor is provided with power set, be in transmission connection between this power set and stir shaft, this whipping appts can accelerate impurity-eliminating effect and the speed of removal of impurities reactor.
Again because the sulfuric acid export mouth of described zinc sulphide reactor and the sulphuric acid soln of zinc sulfate reactor add mouth pipeline communication, the sulfuric acid generated in zinc sulphide reactor can enter into the recycling of zinc sulfate reactor, makes the use of sulfuric acid more reasonable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the connection diagram of the zinc sulfate reactor of the embodiment of the present invention, the first buffer tank, solid-liquid filtration device, upstream knot screen;
Fig. 2 is the connection diagram of middle reaches knot screen in the embodiment of the present invention, downstream knot screen;
Fig. 3 is the connection diagram of zinc sulphide reactor, the second buffer tank, washing kettle, whizzer, drying unit and shredding unit;
In accompanying drawing: 1. zinc sulfate reactor; 2. the first buffer tank; 3. solid-liquid filtration device; 4. upstream removal of impurities reactor; 5. upstream removal of impurities buffer tank; 6. middle reaches removal of impurities reactor; 7. middle reaches removal of impurities buffer tank; 8. downstream removal of impurities reactor; 9. downstream removal of impurities buffer tank; 10. zinc sulphide reactor; 11. second buffer tanks; 12. washing kettles; 13. whizzers; 14. drying units; 15. shredding units.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, 2, 3, a kind of production unit of the zinc sulphide in optical infrared imaging, comprises
Zinc sulfate reactor 1 and first buffer tank 2 supporting with this zinc sulfate reactor 1, this zinc sulfate reactor 1 is provided with zinc oxide and adds mouth and sulphuric acid soln interpolation mouth, and this first buffer tank 2 is arranged at the downstream of zinc sulfate reactor 1 and the opening for feed of the first buffer tank 2 is communicated with the discharge opening pipeline of zinc sulfate; In the present embodiment, the quantity of described zinc sulfate reactor 1 and the first buffer tank 2 is two, one of them zinc sulfate reactor 1 and the first buffer tank 2 in parallel with another zinc sulfate reactor 1 and the first buffer tank 2, the discharge port of two the first buffer tanks 2 is all communicated with the opening for feed of solid-liquid filtration device 3.This zinc oxide adds mouth and is used for adding pulverous zinc oxide, and this zinc sulfate reactor 1 has whipping appts and is used for zinc oxide and sulfuric acid are fully reacted.
Be arranged at the solid-liquid filtration device 3 in the first buffer tank 2 downstream, pipeline communication between the opening for feed of this solid-liquid filtration device 3 and the discharge port of the first buffer tank 2 connect, this solid-liquid filtration device 3 is a kind of conventional equipment for separating liquid from solid in chemical industry equipment, it can isolate the solid impurity in solution of zinc sulfate, the impurity of the organic or inorganic such as brought into when adding zinc oxide.
Be arranged at least two cover knot screens in solid-liquid filtration device 3 downstream, mutually connect between this knot screen, the quantity of described knot screen is three covers, comprise respectively be positioned at upstream upstream knot screen, be positioned at the middle reaches knot screen in middle reaches and be positioned at the downstream knot screen in downstream, this upstream knot screen comprises upstream removal of impurities reactor 4 and upstream removal of impurities buffer tank 5; Middle reaches knot screen comprises middle reaches removal of impurities reactor 6 and middle reaches removal of impurities buffer tank 7; Downstream knot screen comprises downstream removal of impurities reactor 8 and downstream removal of impurities buffer tank 9; The opening for feed of this upstream removal of impurities reactor 4 is communicated with the discharge port of solid-liquid filtration device 3, the discharge port of upstream removal of impurities buffer tank 5 is communicated with the opening for feed of middle reaches removal of impurities reactor 6, the opening for feed of this middle reaches removal of impurities buffer tank 7 is communicated with the discharge port of middle reaches removal of impurities reactor 6, the discharge port of this middle reaches removal of impurities buffer tank 7 is communicated with the opening for feed of downstream removal of impurities reactor 8, and the discharge port of this downstream removal of impurities buffer tank 9 is communicated with the opening for feed of zinc sulphide reactor 10.Each removal of impurities reactor is provided with removal of impurities liquid to add mouth and be used for adding the metal ion removed in zinc sulfate, such as, adds sodium hydroxide after adding hydrogen peroxide again and can remove Fe in zinc sulfate
3+; Be provided with whipping appts in described removal of impurities reactor, this whipping appts comprises the stir shaft rotating and be installed in removal of impurities reactor, and the top of this removal of impurities reactor is provided with power set, is in transmission connection between this power set and stir shaft.
Be arranged at the zinc sulphide reactor 10 in knot screen downstream and second buffer tank 11 supporting with it, this zinc sulphide reactor 10 is provided with opening for feed, discharge port, hydrogen sulfide interpolation mouth and sulfuric acid export mouth, the opening for feed of this zinc sulphide reactor 10 is communicated with the discharge opening pipeline of the removal of impurities buffer tank of the knot screen of upstream; The sulfuric acid export mouth of described zinc sulphide reactor 10 and the sulphuric acid soln of zinc sulfate reactor 1 add mouth pipeline communication.
Be arranged at the washing kettle 12 in zinc sulphide reactor 10 downstream, this washing kettle 12 is provided with opening for feed, discharge port, pure water interpolation mouth and assorted fluid outlet, and the opening for feed of described washing kettle 12 is communicated with the discharge opening pipeline of the second buffer tank 11; With the addition of pure water in this washing kettle 12 is deionized water.
Be arranged at the whizzer 13 in washing kettle 12 downstream, pipeline communication between the discharge port of this washing kettle 12 and the opening for feed of whizzer 13, whizzer 13 by the zinc sulphide dehydration after washing, thus can obtain zinc sulphide solid, but still containing certain moisture.
Drying unit 14 and shredding unit 15, this drying unit 14 is arranged at whizzer 13 downstream, and described drying unit 14 is electrically heated baking oven.This shredding unit 15 is arranged at the downstream of drying unit 14, and this shredding unit 15 adopts reciprocating sieve to carry out vibration filtering.The solid-state zinc sulphide that can obtain drying after heating, drying, then collect after shredding unit 15 is pulverized.This zinc sulphide purity is high, can be applicable to the zinc sulphide that optical infrared imaging uses.
Claims (6)
1. a production unit for the zinc sulphide in optical infrared imaging, is characterized in that: comprise
Zinc sulfate reactor and first buffer tank supporting with this zinc sulfate reactor, this zinc sulfate reactor is provided with zinc oxide to be added mouth and sulphuric acid soln and adds mouth, and this first buffer tank is arranged at the downstream of zinc sulfate reactor and the opening for feed of the first buffer tank is communicated with the discharge opening pipeline of zinc sulfate;
Be arranged at the solid-liquid filtration device in the first buffer tank downstream, pipeline communication between the opening for feed of this solid-liquid filtration device and the discharge port of the first buffer tank connect;
Be arranged at least two cover knot screens in solid-liquid filtration device downstream, mutually connect between this knot screen, knot screen comprises removal of impurities reactor and removal of impurities buffer tank, this removal of impurities reactor is provided with opening for feed, discharge port and removal of impurities liquid and adds mouth, pipeline communication between the opening for feed of the removal of impurities reactor in upstream and the discharge port of solid-liquid filtration device, be positioned at the opening for feed pipeline communication of the discharge port of the reactor of the upstream removal of impurities buffer tank corresponding with it, and the discharge port of removal of impurities buffer tank is communicated with the opening for feed of removal of impurities reactor of the knot screen being positioned at downstream;
Be arranged at the zinc sulphide reactor in knot screen downstream and second buffer tank supporting with it, this zinc sulphide reactor is provided with opening for feed, discharge port, hydrogen sulfide interpolation mouth and sulfuric acid export mouth, the opening for feed of this zinc sulphide reactor is communicated with the discharge opening pipeline of the removal of impurities buffer tank of the knot screen of upstream;
Be arranged at the washing kettle in zinc sulphide reactor downstream, this washing kettle is provided with opening for feed, discharge port, pure water interpolation mouth and assorted fluid outlet, and the opening for feed of described washing kettle is communicated with the discharge opening pipeline of the second buffer tank;
Be arranged at the whizzer in washing kettle downstream, pipeline communication between the discharge port of this washing kettle and the opening for feed of whizzer;
Drying unit and shredding unit, this drying unit is arranged at whizzer downstream, and this shredding unit is arranged at the downstream of drying unit.
2. the production unit of a kind of zinc sulphide in optical infrared imaging as claimed in claim 1, it is characterized in that: the quantity of described knot screen is three covers, comprise the upstream knot screen being positioned at upstream respectively, be positioned at the middle reaches knot screen in middle reaches and be positioned at the downstream knot screen in downstream, the opening for feed of the removal of impurities reactor of this upstream knot screen is communicated with the discharge port of solid-liquid filtration device, the discharge port of the removal of impurities buffer tank of upstream knot screen is communicated with the opening for feed of the removal of impurities reactor of middle reaches knot screen, the discharge port of the removal of impurities buffer tank of this middle reaches knot screen is communicated with the opening for feed of the removal of impurities reactor of downstream knot screen, the discharge port of the removal of impurities buffer tank of this downstream knot screen is communicated with the opening for feed of zinc sulphide reactor.
3. the production unit of a kind of zinc sulphide in optical infrared imaging as claimed in claim 2, it is characterized in that: in described removal of impurities reactor, be provided with whipping appts, this whipping appts comprises the stir shaft rotating and be installed in removal of impurities reactor, the top of this removal of impurities reactor is provided with power set, is in transmission connection between this power set and stir shaft.
4. the production unit of a kind of zinc sulphide in optical infrared imaging as claimed in claim 3, is characterized in that: the sulfuric acid export mouth of described zinc sulphide reactor and the sulphuric acid soln of zinc sulfate reactor add mouth pipeline communication.
5. the production unit of a kind of zinc sulphide in optical infrared imaging as claimed in claim 4, it is characterized in that: the quantity of described zinc sulfate reactor and the first buffer tank is two, one of them zinc sulfate reactor and the first buffer tank in parallel with another zinc sulfate reactor and the first buffer tank, the discharge port of two the first buffer tanks is all communicated with the opening for feed of solid-liquid filtration device.
6. the production unit of a kind of zinc sulphide in optical infrared imaging as claimed in claim 5, is characterized in that: described drying unit is electrically heated baking oven.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510040030.XA CN104556206B (en) | 2015-01-27 | 2015-01-27 | A kind of production unit of the zinc sulphide in optical infrared imaging |
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| CN201510040030.XA CN104556206B (en) | 2015-01-27 | 2015-01-27 | A kind of production unit of the zinc sulphide in optical infrared imaging |
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| CN104556206B true CN104556206B (en) | 2016-03-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107857292A (en) * | 2017-12-18 | 2018-03-30 | 张家港汇普光学材料有限公司 | A kind of zinc sulphide prepares production line |
| CN107879372A (en) * | 2017-12-18 | 2018-04-06 | 张家港汇普光学材料有限公司 | A kind of hydrogen sulfide recycling system in zinc sulphide production |
| CN110550651A (en) * | 2019-07-09 | 2019-12-10 | 中化弘润石油化工有限公司 | Method for producing zinc sulfide by using acidic waste gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19844546C1 (en) * | 1998-09-29 | 2000-05-18 | Metallgesellschaft Ag | Production of zinc sulfide, useful in hydrometallurgical recovery of zinc, involves filtering and washing precipitate obtained from residual impure zinc sulfate electrolyte and impure sodium sulfide solution from barium sulfate production |
| CN102001697A (en) * | 2010-10-25 | 2011-04-06 | 王嘉兴 | Method for producing highly pure zinc sulfide by sodium hydrosulfite filter residue |
| CN202139181U (en) * | 2011-07-06 | 2012-02-08 | 淄博晓光化工材料有限公司 | Ethylene glycol titanium production device system |
| CN104478693B (en) * | 2014-12-23 | 2016-05-25 | 山东丰元化学股份有限公司 | A kind of preparation method of refining oxalic acid |
| CN204400635U (en) * | 2015-01-27 | 2015-06-17 | 张家港汇普光学材料有限公司 | A kind of production unit of the zinc sulphide in optical infrared imaging |
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