CN106693871A - Environmental-friendly neutralization reaction kettle - Google Patents
Environmental-friendly neutralization reaction kettle Download PDFInfo
- Publication number
- CN106693871A CN106693871A CN201710084442.2A CN201710084442A CN106693871A CN 106693871 A CN106693871 A CN 106693871A CN 201710084442 A CN201710084442 A CN 201710084442A CN 106693871 A CN106693871 A CN 106693871A
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- China
- Prior art keywords
- reaction kettle
- ammonia
- neutralization reaction
- environment
- feeding pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses an environmental-friendly neutralization reaction kettle. The environmental-friendly neutralization reaction kettle comprises a reaction kettle body, a feeding pipe, an ammonia inlet pipe, a discharge hole and a stirring device. The feeding pipe and the ammonia inlet pipe are arranged on the upper portion of the reaction kettle body, the discharge hole is formed below the bottom of the reaction kettle body, the stirring device is arranged in the reaction kettle body, and a cooling coil is also arranged in the reaction kettle body. According to the environmental-friendly neutralization reaction kettle disclosed by the invention, heat generated by the neutralization reaction is fully used to heat cold water in a cooling coil, so that the water temperature at the outlet of the cooling coil reaches 40-50 DEG C, and hot water at the outlet can be used for washing fluorine ions adsorbed by niobium (tantalum) hydroxide. Meanwhile, the cooling coil is arranged in the reaction kettle body to effectively control the reaction temperature, so that the neutralization temperature is lower than 50 DEG C, the volatilization loss of ammonia in the neutralization reaction process is reduced, the production cost is lowered, and the waste gas generating amount is reduced, and therefore, and environmental-friendly and energy-saving effects are achieved.
Description
Technical field
The present invention relates to neutralization reaction apparatus field, more particularly to a kind of environment-friendly type neutralization reaction kettle.
Background technology
Tantalum and niobium hydrometallurgy process niobium oxide, the production of tantalum oxide with ammonia as nertralizer, its by raw material with acidity niobium
Liquid or tantalum liquid carry out neutralization reaction and obtain hydroxide, and the washing of reusable heat weak aqua ammonia removes the fluorine ion in hydroxide, finally
Niobium oxide, tantalum oxide product are obtained by drying, calcining.Because the acidity of niobium liquid or tantalum liquid is higher, produced in neutralization reaction process
The substantial amounts of reaction heat of life, makes temperature up to more than 90 DEG C, causes the volatilization loss of a large amount of ammonia, while the ammonia-contaminated gas for producing increase
Environmental pollution improvement's difficulty is added.
The content of the invention
The technical problem to be solved in the present invention is：For above-mentioned the deficiencies in the prior art, there is provided in a kind of environment-friendly type and anti-
Answer kettle.
The present invention solve its technical problem solution be：A kind of environment-friendly type neutralization reaction kettle, it includes reactor sheet
Body, feed pipe, ammonia-feeding pipe, discharging opening and agitating device, the feed pipe and ammonia-feeding pipe are arranged at reactor body upper part, institute
State discharging opening and be arranged on reactor body bottom portion lower section, the agitating device is arranged on reactor body interior, the reactor
Body interior is additionally provided with cooling coil.
Used as the further improvement of above-mentioned technical proposal, the cooling coil includes cooling water inlet and hot water outlet, described
Cooling water inlet is fixedly installed on reactor body bottom portion side, and the hot water outlet is fixedly installed on reactor bodies top one
Side.
Used as the further improvement of above-mentioned technical proposal, the global shape of the cooling coil is helical form or S shapes.
Used as the further improvement of above-mentioned technical proposal, the pipe material of the cooling coil is the polytetrafluoro of corrosion resistance
Ethene.
Used as the further improvement of above-mentioned technical proposal, the quantity of the ammonia-feeding pipe is at least two.
Used as the further improvement of above-mentioned technical proposal, the quantity of the ammonia-feeding pipe is four, and four ammonia-feeding pipes are in
It is symmetrical arranged.
As the further improvement of above-mentioned technical proposal, the bottom of the ammonia-feeding pipe and reactor body bottom portion inwall away from
From being 20 ~ 30cm.
Used as the further improvement of above-mentioned technical proposal, the ammonia-feeding pipe is of an L-shaped structure, including upright vertical tube and is located at
The transverse tube of the vertical tube bottom, the transverse tube is set with horizontal direction in upward 5 ~ 20 degree of angles.
Used as the further improvement of above-mentioned technical proposal, the transverse tube mouth of pipe of the ammonia-feeding pipe has ramp structure.
The beneficial effects of the invention are as follows：The present invention makes full use of the heat produced during neutralization reaction, in heating cooling coil
Cold water, the water temperature in cooling coil exit is reached 40-50 DEG C, the hot water of outlet can be used to wash niobium hydroxide（Tantalum）Absorption
Fluorine ion.Meanwhile, by reactor body, cooling coil is set, can effective controlling reaction temperature, make neutral temperature low
In 50 DEG C, the volatilization loss of the ammonia during neutralization reaction is reduced, reduce production cost, exhaust gas production is reduced, so as to reach
The effect of environmental protection and energy saving.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the invention, rather than whole implementations
Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings
Scheme and accompanying drawing.
Fig. 1 is structural representation of the invention.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is carried out clearly below with reference to embodiment and accompanying drawing
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/annexations, not singly refer to that component directly connects, and refer to that can be added deduct by adding according to specific implementation situation
Lack couple auxiliary to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Reference picture 1, a kind of environment-friendly type neutralization reaction kettle, it includes reactor body 1, feed pipe 2, ammonia-feeding pipe 3, discharging opening
4 and agitating device 5, the feed pipe 2 and ammonia-feeding pipe 3 are arranged at the top of reactor body 1, and the discharging opening 4 is arranged on instead
Answer the bottom part down of kettle body 1, the agitating device 5 to be arranged on inside reactor body 1, also set inside the reactor body 1
There is cooling coil 6.
It is further used as preferred embodiment, the cooling coil 6 includes cooling water inlet 61 and hot water outlet 62, described
Cooling water inlet 61 is fixedly installed on the bottom side of reactor body 1, and the hot water outlet 62 is fixedly installed on reactor body 1 and pushes up
Portion side.Specifically, cooling water enters from cooling coil cooling water inlet 61 in N-process, with the internal-response of reactor body 1
In niobium liquid or tantalum liquid carry out heat exchange, make reaction temperature no more than 50 DEG C, while cooling water heat absorption becomes hot water and gone out by hot water
Mouth 62 is discharged and is used effectively to be adjusted in follow-up hot water and washes operation, saving energy consumption.
It is further used as preferred embodiment, the global shape of the cooling coil 6 is helical form or S shapes, thus is somebody's turn to do
Cooling coil 6 has efficient heat exchange function.
It is further used as preferred embodiment, the pipe material of the cooling coil 6 is the polytetrafluoroethyl-ne of corrosion resistance
Alkene.
It is further used as preferred embodiment, the quantity of the ammonia-feeding pipe 3 is at least two.Specifically, it is described enter ammonia
Pipe 3 is distributed on reactor body.
It is further used as preferred embodiment, the quantity of the ammonia-feeding pipe 3 is four, and four ammonia-feeding pipes 3 are in right
Claim to set.Specifically, the setting of ammonia-feeding pipe 3 is greatly improved the reaction efficiency and reaction uniformity of neutralization reaction, so that
Material heating in reactor body 1 is uniform, it is ensured that the adequacy of material neutralization reaction.
It is further used as preferred embodiment, the bottom of the ammonia-feeding pipe 3 and the distance of the bottom interior wall of reactor body 1
It is 20 ~ 30cm, so as to prevent ammoniacal liquor from splashing.
It is further used as preferred embodiment, the ammonia-feeding pipe 3 is of an L-shaped structure, including upright vertical tube and positioned at institute
The transverse tube of vertical tube bottom is stated, the transverse tube is set with horizontal direction in upward 5 ~ 20 degree of angles.Further, the ammonia-feeding pipe 3
The transverse tube mouth of pipe there is ramp structure.In fact, in the cross tube direction setting and reactor body 1 of the ammonia-feeding pipe 3 of at least two
The mixing direction of agitating device 5 is identical.The angle and nozzle structure of the transverse tube of the ammonia-feeding pipe 3 are conducive to ammoniacal liquor at the uniform velocity to add putting
In the materials inside of reactor body 1, promotion immixture is played, and then substantially increase the uniformity of neutralization reaction.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those of ordinary skill in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (9)
1. a kind of environment-friendly type neutralization reaction kettle, it is characterised in that：Including reactor body, feed pipe, ammonia-feeding pipe, discharging opening and stir
Device is mixed, the feed pipe and ammonia-feeding pipe are arranged at reactor body upper part, and the discharging opening is arranged on reactor body bottom
Portion lower section, the agitating device is arranged on reactor body interior, and the reactor body interior is additionally provided with cooling coil.
2. a kind of environment-friendly type neutralization reaction kettle according to claim 1, it is characterised in that：The cooling coil includes cold water
Import and hot water outlet, the cooling water inlet are fixedly installed on reactor body bottom portion side, and the hot water outlet is fixedly installed
In reactor bodies top side.
3. a kind of environment-friendly type neutralization reaction kettle according to claim 1 and 2, it is characterised in that：The cooling coil it is whole
Shape is helical form or S shapes.
4. a kind of environment-friendly type neutralization reaction kettle according to claim 3, it is characterised in that：The pipeline material of the cooling coil
Matter is the polytetrafluoroethylene (PTFE) of corrosion resistance.
5. a kind of environment-friendly type neutralization reaction kettle according to claim 1, it is characterised in that：The quantity of the ammonia-feeding pipe be to
It is few two.
6. a kind of environment-friendly type neutralization reaction kettle according to claim 5, it is characterised in that：The quantity of the ammonia-feeding pipe is four
Bar, four ammonia-feeding pipes are symmetrical set.
7. a kind of environment-friendly type neutralization reaction kettle according to claim 1 or 5, it is characterised in that：The bottom of the ammonia-feeding pipe
It is 20 ~ 30cm with the distance of reactor body bottom portion inwall.
8. a kind of environment-friendly type neutralization reaction kettle according to claim 1 or 5, it is characterised in that：The L-shaped knot of ammonia-feeding pipe
Structure, including upright vertical tube and the transverse tube positioned at the vertical tube bottom, the transverse tube set with horizontal direction in upward 5 ~ 20 degree of angles
Put.
9. a kind of environment-friendly type neutralization reaction kettle according to claim 8, it is characterised in that：The transverse tube mouth of pipe of the ammonia-feeding pipe
With ramp structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084442.2A CN106693871B (en) | 2017-02-16 | 2017-02-16 | A kind of environment-friendly type neutralization reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084442.2A CN106693871B (en) | 2017-02-16 | 2017-02-16 | A kind of environment-friendly type neutralization reaction kettle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106693871A true CN106693871A (en) | 2017-05-24 |
| CN106693871B CN106693871B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710084442.2A Active CN106693871B (en) | 2017-02-16 | 2017-02-16 | A kind of environment-friendly type neutralization reaction kettle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472780Y (en) * | 2001-03-29 | 2002-01-23 | 王修立 | Single pot type one-step process flow ammonium chloride crystallizing device |
| CN204522950U (en) * | 2015-03-28 | 2015-08-05 | 东北石油大学 | A kind of chemical reaction tower |
| CN205313117U (en) * | 2016-01-21 | 2016-06-15 | 青海盐湖工业股份有限公司 | Magnesium hydroxide preparation facilities |
| CN207085874U (en) * | 2017-02-16 | 2018-03-13 | 广东致远新材料有限公司 | A kind of environment-friendly type neutralization reaction kettle |
-
2017
- 2017-02-16 CN CN201710084442.2A patent/CN106693871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472780Y (en) * | 2001-03-29 | 2002-01-23 | 王修立 | Single pot type one-step process flow ammonium chloride crystallizing device |
| CN204522950U (en) * | 2015-03-28 | 2015-08-05 | 东北石油大学 | A kind of chemical reaction tower |
| CN205313117U (en) * | 2016-01-21 | 2016-06-15 | 青海盐湖工业股份有限公司 | Magnesium hydroxide preparation facilities |
| CN207085874U (en) * | 2017-02-16 | 2018-03-13 | 广东致远新材料有限公司 | A kind of environment-friendly type neutralization reaction kettle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106693871B (en) | 2019-05-17 |
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Address after: 513000 Qingyuan village, Qiaotou town, Yingde Town, Hongqiao, Guangdong Patentee after: Simei resources (Guangdong) Co., Ltd Address before: 513055 Guangdong city of Qingyuan province city Qiaotou town Hongqiao village far before the village ponds Patentee before: GUANGDONG ZHIYUAN NEW MATERIALS Co.,Ltd. |