CN206152662U - Thick liquids preparation facilities - Google Patents
Thick liquids preparation facilities Download PDFInfo
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- CN206152662U CN206152662U CN201621199813.9U CN201621199813U CN206152662U CN 206152662 U CN206152662 U CN 206152662U CN 201621199813 U CN201621199813 U CN 201621199813U CN 206152662 U CN206152662 U CN 206152662U
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Abstract
Thick liquids preparation facilities, including feed bin and thick liquids cabinet, the feed bin includes the feed bin body and sets up feed inlet and the discharge gate on it, the thick liquids cabinet includes the cabinet body and sets up advancing thick liquid mouthful, go into liquid mouth and liquid outlet on it, still include the ejector, be provided with the feed inlet on it, advance thick liquid mouth and grout outlet that the ejector feed inlet connects the feed bin discharge gate, the ejector grout outlet connects the thick liquids cabinet to advance the thick liquid mouth, and the ejector advances to starch the antilinear power pump and connects thick liquids cabinet liquid outlet, the thick liquids cabinet still includes the grout outlet, and the grout outlet communicates with each other through the connecting line that ooff valve and thick liquids cabinet liquid outlet and ejector advance between the thick liquid mouthful. When adopting the device to carry out the thick liquids preparation, owing to adopt the self -loopa that automatic that the ejector realized realizing fast the powder inhaleed, thick liquids preparation in -process is realized to ejector cooperation power pump, preparation speed, reaction rate and the conversion rate of improvement thick liquids that can be very big. The device area is little, and the reaction is quick, sustainable reaction.
Description
Technical field
The utility model belongs to chemical sizwe preparing technical field, is related to a kind of slurry preparation device.
Background technology
Many fields can all use chemical sizwe, and its common ground is, by the mixing of chemical raw material and reagent, by chemistry
Raw material and the dissolving or reaction of reagent, prepare slurry, multi-field for production, exhaust-gas treatment etc..
By taking exhaust-gas treatment field as an example.Atmosphere pollution mostly come from industrial processes and transport process discharge
Waste gas, major pollutants have carbon monoxide, nitrogen oxides, hydrocarbons, oxysulfide etc..To make waste gas reach discharge standard,
Need to process it before waste gas discharge using exhaust gas treating agent.
Magnesium hydroxide belongs to weak base, has the advantages that strong buffer capacity, excellent adsorption, corrosivity are low, safe and reliable, its slurry
Material has good fluidity, easily conveying and storage, is widely used in acid-bearing wastewater process, heavy metal removing agent, sulfur-containing smoke gas desulfurizing agent
Use.
Environmental protection magnesium hydroxide slurry production method has the reaction of dolomite method, sea water bittern and alkali, shepardite method and magnesite
Ore deposit method.Dolomite method separating calcium and magnesium is not thorough, and purity is relatively low；It is not high, relatively costly etc. to there is purity in the reaction of sea water bittern and alkali
Problem；Shepardite method is relatively simple, but ore content in nature is less；At present most study is exactly magnesite
Method, the method makes activated magnesia with magnesite as primary raw material through calcining, then it is synthesized into magnesium hydroxide with aquation.
Most commonly prepare magnesium hydroxide by the way of light calcined magnesia aquation at present, aquation is completed generally by stirring,
Time 24h, usual aquation rate 60～70%.
The total problem that this current slurry preparation field is present：Longer hydration time, common magnesia aquation system
Standby magnesium hydroxide is generally that batch (-type), reaction vessel volume are larger, hydration efficiency is relatively low, aquation rate is not high.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of slurry preparation device, and based on this
Device offer one kind is lasting, efficient, quickly prepare magnesium hydroxide method.
The technical solution of the utility model is：Slurry preparation device, including feed bin and slurry cabinet, the feed bin includes feed bin
Body and the charging aperture being arranged on and discharging opening；The slurry cabinet include cabinet body and be arranged on stock inlet, enter
Liquid mouth and liquid outlet；It is characterized in that：Also include ejector, be provided with charging aperture, stock inlet and grout outlet, ejector enters
Material mouth splicing bin discharge port external, ejector grout outlet connects slurry cabinet stock inlet, and ejector stock inlet Jing kinetic pumps connect slurry cabinet and go out liquid
Mouthful；Slurry cabinet also includes grout outlet, the connecting tube between grout outlet Jing switch valves and slurry cabinet liquid outlet and ejector stock inlet
Road communicates.
Preferably；Also include vapor heat exchanger, be provided with liquid outlet, steam inlet, inlet and steam (vapor) outlet,
The liquid outlet of vapor heat exchanger connects with the liquid inlet of slurry cabinet.
Preferably：It is provided with feed bin discharge hole for weighing the weight sensor for adding weight of material；Slurry cabinet enters
The flow sensor for adding fluid flow for measurement is provided with liquid mouth.
The beneficial effects of the utility model are：
(1) the utility model provides a kind of slurry preparation device, can be used for the preparation of various solid-liquid mixed slurries.
(2) apparatus and method that the utility model is provided, realize quickly realizing being automatically drawn into, penetrating for powder using ejector
Stream device coordinates kinetic pump to realize the self-loopa in slurry preparation process, can greatly improve preparation speed, the reaction rate of slurry
And conversion ratio.
(3) installation area is little, and reaction is quick, and sustainable reaction is particularly suited for the spaces such as ship desulphurization system
Limited environment, for the preparation of the desulfurization slurry of desulphurization system, while can be used for the multi-field magnesium hydroxide slurry in land
Preparation.
Description of the drawings
Fig. 1 is slurry preparation device structural representation.
Wherein：1- feed bins, 11- feed bin charging apertures, 12- feed bin discharge holes, 2- ejectors, 21- ejector charging apertures, 22-
Ejector stock inlet, 23- ejector grout outlets, 3- slurry cabinets, 31- slurry cabinet liquid inlets, 32- slurry cabinet stock inlets, 33- slurries
Cabinet liquid outlet, 34- slurry cabinet grout outlets, 4- vapor heat exchangers, 41- vapor heat exchanger liquid outlets, 42- steam inlets, 43- steam
Heat exchanger inlet, 44- steam (vapor) outlets, 5- kinetic pumps, 6- switch valves
Specific embodiment
Specific embodiment of the present utility model is conducted further description below with reference to accompanying drawing.
As shown in figure 1, slurry preparation device, including feed bin 1 and slurry cabinet 3, feed bin 1 is including feed bin body and is arranged at it
On charging aperture 11 and discharging opening 12；Feed bin 1 prepares slurry material for storage.Slurry cabinet 3 includes cabinet body and is arranged at
Stock inlet 32 thereon, liquid inlet 31 and liquid outlet 33；Slurry cabinet 3 is the reaction cabinet and storing compartment for preparing slurry.
Slurry preparation device also includes ejector 2, is provided with charging aperture 21, stock inlet 22 and grout outlet 23, jet
The splicing bin discharge port external 12 of device charging aperture 21, ejector grout outlet 23 connects slurry cabinet stock inlet 32, the Jing power of ejector stock inlet 22
Pump 5 connects slurry cabinet liquid outlet 33；Slurry cabinet 3 also includes grout outlet 34, the Jing switch valves 6 of grout outlet 34 and slurry cabinet liquid outlet 33 with
Connecting line between ejector stock inlet 22 is communicated.
Specifically, between feed bin discharge hole 12 and ejector charging aperture 21, ejector grout outlet 23 enters slurry with slurry cabinet
Connected by pipeline between mouth 32, between ejector stock inlet 22 and slurry cabinet liquid outlet 33, wherein, kinetic pump 5 sets
Put on the connecting line between ejector stock inlet 22 and slurry cabinet liquid outlet 33.
In slurry preparation process, slurry cabinet liquid inlet 31 can directly be connect reagent water source, to the inside of slurry cabinet 3 reagent is passed through
Water.But it is considered that the preparation of some slurries, the temperature of reagent water is had and is required, accordingly, as another embodiment, slurry
Material preparation facilities still further comprises vapor heat exchanger 4, is provided with liquid outlet 41, steam inlet 42, inlet 43 and steams
Vapor outlet 44, the liquid outlet 41 of vapor heat exchanger connects with the liquid inlet 31 of slurry cabinet.Specifically, vapor heat exchanger goes out liquid
It is connected through pipeline between mouth 41 and the liquid inlet 31 of slurry cabinet.
In order to be further able to realize the purpose that control prepares slurry material and reagent water ratio, at feed bin discharge hole 12
It is provided with for weighing the weight sensor for adding weight of material；It is provided with slurry cabinet liquid inlet 31 and adds liquid for measurement
The flow sensor of flow.
Slurry preparation device can be used for the preparation of various solid-liquid mixed slurries.
Hereinafter, by by taking the preparation of magnesium hydroxide slurry as an example illustrating to carry out hydroxide using above-mentioned slurry preparation device
Method prepared by magnesium slurry, the primary raw material for preparing magnesium hydroxide is magnesia and reagent water, is comprised the following steps：
Closing switch valve 6, continues Jing feed bins charging aperture 11 and adds magnesia, slurry cabinet liquid inlet 31 to add reagent water, beat
Drive kinetic pump 5；Closing switch valve 6 closes the path between slurry cabinet 3 and the external world, and the slurry in preparation will not flow out slurry
Cabinet 3.
Starting, reagent water Jing kinetic pumps 5 flow out slurry cabinet 3 by slurry cabinet liquid outlet 33, are flowed into by ejector stock inlet 22
Ejector 2, then have ejector grout outlet 23 to flow back to slurry cabinet 3, meanwhile, by the magnesia suction ejector 2 in feed bin；Prepare it
Just, the reagent water being only passed through in slurry cabinet 3, therefore, it is reagent water via kinetic pump inflow ejector 2.Reagent water passes through
Ejector 2 flows back to the process of slurry cabinet 3, and in ejector 2 negative pressure is formed, and magnesia powder is sucked from feed bin 1 by pipeline
Ejector 2, mixes in ejector 2 with reagent water.
After reagent water mixes with magnesia in ejector 2, flow into via ejector grout outlet 23, slurry cabinet stock inlet 32
Slurry cabinet 3, during form slurry；In the process, magnesia mixes with reagent water, and magnesia is dissolved in reagent water, because
This forms slurry.
Subsequently, magnesia continues Jing feed bin discharge holes 12 into ejector charging aperture 21, and slurry footpath kinetic pump 5 is by slurry cabinet
Liquid outlet 33 flows out slurry cabinet 3, and by ejector stock inlet 22 ejector 2 is flowed into；Magnesia slurry is with magnesia in ejector 2
After mixing, slurry cabinet 3 is flowed into；A self-loopa is thusly-formed, prepared by circulation, obtain magnesium hydroxide slurry；Due to magnesia and examination
After agent water is contacted in ejector 2, middle preparation slurry is formed, subsequently feed back to slurry cabinet 3, with new into the cabinet of slurry cabinet 3
Reagent water further mixes, therefore, it is again slurry rather than reagent water from slurry cabinet 3 into ejector 2.
Stop adding magnesia to slurry cabinet 3, add reagent water to slurry cabinet 3, open switch valve 5, take out magnesium hydroxide
Slurry.
Directly desulphurization system can be by the road connected to by switch valve 5, directly be used for the magnesium hydroxide slurry for preparing
The use of desulphurization system.
It is further to improve hydroxide because temperature improves the dissolving and reaction speed that will improve magnesia in reagent water
A kind of preparation speed of magnesium slurry, more excellent magnesium hydroxide slurries preparation method for material is as follows：
Slurry preparation device also includes vapor heat exchanger 4, is provided with liquid outlet 41, steam inlet 42, inlet 43
With steam (vapor) outlet 44, the liquid outlet 41 of vapor heat exchanger connects with the liquid inlet 31 of slurry cabinet；Reagent water Jing vapor heat exchangers enter
Liquid mouth 43 flows into vapor heat exchanger 4, while steam Jing steam inlets 42 are accessed into vapor heat exchanger 4；Reagent water and steam heat-exchanging
Afterwards, slurry cabinet 3 is flowed into via the liquid outlet 41 of vapor heat exchanger, slurry cabinet liquid inlet 31.Normal temperature reagent water Jing vapor heat exchangers 4
Afterwards, exchange heat with vapours, the steam Jing steam (vapor) outlets 44 after heat exchange are discharged.
Used as a kind of specific enforcement, after reagent water and steam heat-exchanging, reagent coolant-temperature gage is 80 DEG C.Can be passed through by control
The temperature of steam, the mode of the flow of addition reagent water are realized controlling the purpose of reagent coolant-temperature gage.
If magnesia is not good with the mixed proportion of reagent water, it will cause worth slurry excessively dilute or excessively sticky, after impact
The use of continuous slurry.Therefore, can further be designed for controlling the structure of magnesia and reagent water addition quality.
It is provided with feed bin discharge hole 12 for weighing the weight sensor for adding weight of material；At slurry cabinet liquid inlet 31
It is provided with the flow sensor for adding fluid flow for measurement；The magnesia for adding slurry cabinet 3 is controlled by weight sensor
Weight m1, weight m of the reagent water of addition slurry cabinet 3 is controlled by flow sensor2, make m2:m1=10:1.Wherein reagent
The weight of water can be converted by the density of reagent water and flow, and by controlling the purpose of flow control reagent water weight is reached
Purpose.It should be noted that m1And m2Above ratio is not limited to, according to demand, the two may also be employed other quality
Than.
In order to promote the abundant dissolving of magnesia, while realizing the purpose of quick prepared magnesium hydroxide slurry, in addition it is also necessary to enter
It is time prepared by the control circulation of one step, specific as follows：
In the first embodiment, the time that prepared by circulation is 10 minutes.
In second embodiment, the time for circulating preparation is 15 minutes.
In the third embodiment, the time for circulating preparation is 20 minutes.
In the preparation method of any of the above magnesium hydroxide solvent, described reagent water can be using fresh water or seawater.
Claims (3)
1. slurry preparation device, including feed bin (1) and slurry cabinet (3), the feed bin (1) is including feed bin body and is arranged on
Charging aperture (11) and discharging opening (12)；The slurry cabinet (3) including cabinet body and the stock inlet being arranged on (32), enter liquid
Mouth (31) and liquid outlet (33)；It is characterized in that：Also include ejector (2), be provided with charging aperture (21), stock inlet (22)
With grout outlet (23), ejector charging aperture (21) splicing bin discharge port external (12), ejector grout outlet (23) connects slurry cabinet stock inlet
(32), ejector stock inlet (22) Jing kinetic pumps (5) connect slurry cabinet liquid outlet (33)；Slurry cabinet (3) also includes grout outlet (34),
Connecting line between grout outlet (34) Jing switch valves (6) and slurry cabinet liquid outlet (33) and ejector stock inlet (22) is communicated.
2. slurry preparation device as claimed in claim 1, it is characterised in that：Also include vapor heat exchanger (4), be provided with
Liquid outlet (41), steam inlet (42), inlet (43) and steam (vapor) outlet (44), the liquid outlet (41) of vapor heat exchanger and slurry
The liquid inlet (31) of cabinet connects.
3. slurry preparation device as claimed in claim 1 or 2, it is characterised in that：Feed bin discharge hole (12) place be provided with for
Weigh the weight sensor for adding weight of material；Slurry cabinet liquid inlet (31) place is provided with the stream for adding fluid flow for measurement
Quantity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199813.9U CN206152662U (en) | 2016-11-03 | 2016-11-03 | Thick liquids preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199813.9U CN206152662U (en) | 2016-11-03 | 2016-11-03 | Thick liquids preparation facilities |
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| Publication Number | Publication Date |
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| CN206152662U true CN206152662U (en) | 2017-05-10 |
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| CN201621199813.9U Active CN206152662U (en) | 2016-11-03 | 2016-11-03 | Thick liquids preparation facilities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310990A (en) * | 2016-11-03 | 2017-01-11 | 威海普益船舶环保科技有限公司 | Slurry preparation device and preparation method of magnesium hydroxide slurry |
-
2016
- 2016-11-03 CN CN201621199813.9U patent/CN206152662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310990A (en) * | 2016-11-03 | 2017-01-11 | 威海普益船舶环保科技有限公司 | Slurry preparation device and preparation method of magnesium hydroxide slurry |
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