CN106807403B - A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method - Google Patents
A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method Download PDFInfo
- Publication number
- CN106807403B CN106807403B CN201611236007.9A CN201611236007A CN106807403B CN 106807403 B CN106807403 B CN 106807403B CN 201611236007 A CN201611236007 A CN 201611236007A CN 106807403 B CN106807403 B CN 106807403B
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- Prior art keywords
- cylinder
- raney
- screw rod
- nickel catalyst
- inactivation
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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
- B01J25/00—Catalysts of the Raney type
- B01J25/04—Regeneration or reactivation
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
- B01J38/62—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids organic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method, including vertical cylinder, dosing kettle, the top of cylinder is installed by ring pipe, ring pipe is inclination installation, the lower part of ring pipe is all connected with several connecting tubes, the upper end of connecting tube connector drum, connecting tube stretches in cylinder to be cooperated with the inner wall of cylinder, the periphery of cylinder is uniformly installed by several electromagnet, the upper end import of the liquid outlet connection ring pipe of dosing kettle, the bottom of cylinder passes through installation pump, the inlet of pump connection dosing kettle, it installs with valvular CO air inlet on the top of cylinder, it installs with valvular discharge pipe the bottom of cylinder.By being handled using to environmental-friendly CO and acid weaker acetic acid, avoiding the use of strong acid, there is environmentally protective advantage in the recovery processing to inactivation Raney's nickel catalyst in the present invention.
Description
Technical field
The invention belongs to Catalyat Engideering field, specifically a kind of inactivation Raney's nickel catalyst green reclaim processing dress
It sets and recovery method.
Background technique
Currently, being dissolved out in inactivation Raney's nickel catalyst recycling using strong acid, strong acid environmental pollution and destruction are more
Seriously, risk is higher, is extremely difficult to the requirement of green reclaim production.It is dissolved out using other solution, elapsed time is long, anti-
Answer speed slow, process is complicated.
Summary of the invention
The present invention provides a kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method, existing to solve
The defects of technology.
The present invention is achieved by the following technical programs:
A kind of inactivation Raney's nickel catalyst green reclaim processing unit, including vertical cylinder, dosing kettle, the top of cylinder
Ring pipe is installed, ring pipe is inclination installation, and the lower part of ring pipe is all connected with several connecting tubes, connecting tube connector drum it is upper
End, connecting tube stretches in cylinder to be cooperated with the inner wall of cylinder, and several electromagnet are uniformly installed in the periphery of cylinder, and dosing kettle goes out
Liquid mouth connects the upper end import of ring pipe, and the bottom of cylinder passes through installation pump, the inlet of pump connection dosing kettle, the top of cylinder
Installation is with valvular CO2It installs with valvular discharge pipe the bottom of air inlet, cylinder.
A kind of inactivation Raney's nickel catalyst green reclaim processing unit as described above, the cylinder is interior to install screw rod,
The axis direction of screw rod and cylinder is collinear, and the upper end of screw rod is connected by the inner wall of bearing and cylinder to be cooperated, and the lower end of screw rod is stretched
Out to outside cylinder, by sealing bearing fit between screw rod and cylinder, screw rod connects the output shaft of motor, and motor is fixedly mounted
In the lower part of cylinder, discoid scraper plate is installed on screw rod, the center point of scraper plate opens up the screw hole with screw rod cooperation, scraper plate not with
The inner wall of cylinder contacts, and two vertical guide rods are installed on cylinder, and the pilot hole with guide rod cooperation is opened up on scraper plate.
A kind of inactivation Raney's nickel catalyst green reclaim processing unit as described above, the scraper plate and cylinder inboard wall it
Between distance be 1-2cm.
A kind of inactivation Raney's nickel catalyst green reclaim method as described above, including the following steps: 1. will be from water
In N in the muddy inactivation Raney's nickel catalyst of preservation2It is dried to dry powdered for 80 DEG C in atmosphere, then leads at normal temperature
CO2Catalyst deactivation surface obtains inactivation Raney's nickel catalyst powder until its no longer spontaneous combustion in air；2. will step
Suddenly the inactivation Raney's nickel catalyst powder 1. obtained is added to dosing kettle, adds water and acetum, Raney's nickel catalyst
It is flowed into cylinder with water, and along the wall flow of cylinder, starts the surface that Raney's nickel catalyst is adsorbed to cylinder by electromagnet, lead to
Cross CO2CO is added into cylinder for air inlet2, 3-4MPa is kept, valve, the CO of discharge pipe are closed2The valve of air inlet makes with liquid
Kettle and cylinder connection form a closed environment, and the circulation of liquid is formed by pumping, and react 10-15min, and inactivation Raney's nickel is urged
The weight ratio of agent powder, water and acetum is 1:100:100, and the concentration of acetum is 1mol/L；3. electromagnet closes
It closes, the Raney's nickel catalyst on cylinder is fallen into cylinder body bottom, is discharged to obtain final product by discharge pipe.
The invention has the advantages that in the present invention by inactivation Raney's nickel catalyst recovery processing in, using to environment
Friendly CO2It is handled with acid weaker acetic acid, avoids the use of strong acid, there is environmentally protective advantage.CO2First by nickel
Aoxidize and be dissolved in water generate carbonic acid, then with acetic acid collective effect, by the nickel of the nickel of oxidation state and reduction-state dissolve, CO2In centre
Good facilitation is played, the dosage of acetic acid is reduced, reduces the pollution to environment.In treatment process, raney ni catalysis
Agent is attracted on cylinder, forms one layer, and carries out liquid flowing, CO with surface among forming layer2Liquid can quickly be dissolved in
In body, the liquid of flowing increases the area and exposure that contact with Raney's nickel catalyst surface, reduces the time of reaction, dissolves out
Rate reaches 96.5-98.2%, there is good result of extraction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is schematic structural view of the invention；Fig. 2 be Fig. 1 A to view structural schematic diagram.
Appended drawing reference: 1 cylinder, 2 dosing kettle, 3 ring pipe, 4 connecting tube, 5 electromagnet 6 pumps 7 screw rod, 8 motor, 9 scraper plate
10 guide rod, 11 pilot hole 12CO213 discharge pipe of air inlet.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of inactivation Raney's nickel catalyst green reclaim processing unit, as shown, including vertical cylinder 1, dosing kettle
2, ring pipe 3 is installed on the top of cylinder 1, and ring pipe 3 is inclination installation, and the lower part of ring pipe 3 is all connected with several connecting tubes 4, even
The upper end of 4 connector drum 1 of adapter tube, connecting tube 4 stretches in cylinder 1 to be cooperated with the inner wall of cylinder 1, and the periphery of cylinder 1 is uniformly pacified
Several electromagnet 5 are filled, the upper end import of the liquid outlet connection ring pipe 3 of dosing kettle 2, the bottom of cylinder 1 passes through installation pump 6, pump 6
The inlet of dosing kettle 2 is connected, the top of cylinder 1 is installed with valvular CO2The bottom installation of air inlet 12, cylinder 1 has
The discharge pipe 13 of valve.In the present invention by inactivation Raney's nickel catalyst recovery processing in, using to environmental-friendly CO2
It is handled with acid weaker acetic acid, avoids the use of strong acid, there is environmentally protective advantage.CO2First by nickel aoxidize and it is molten
In water generate carbonic acid, then with acetic acid collective effect, by the nickel of the nickel of oxidation state and reduction-state dissolve, CO2It is played very in centre
Good facilitation, reduces the dosage of acetic acid, reduces the pollution to environment.In treatment process, Raney's nickel catalyst is adsorbed
On cylinder 1, one layer is formed, and carries out liquid flowing, CO with surface among forming layer2It can quickly dissolve in liquid,
The liquid of flowing increases the area and exposure contacted with Raney's nickel catalyst surface, reduces the time of reaction, and dissolution rate reaches
96.5-98.2% has good result of extraction.
Specifically, the present embodiment described in cylinder 1 in installation more abundant in order to make to inactivate Raney's nickel catalyst reaction
Screw rod 7, screw rod 7 and the axis direction of cylinder 1 are collinear, and the upper end of screw rod 7 connect cooperation, silk with the inner wall of cylinder 1 by bearing
The lower end of bar 7 is extend out to outside cylinder 1, and by sealing bearing fit between screw rod 7 and cylinder 1, screw rod 7 connects the defeated of motor 8
Shaft, motor 8 are fixedly mounted on the lower part of cylinder 1, install discoid scraper plate 9 on screw rod 7, the center point of scraper plate 9 open up with
The screw hole that screw rod 7 cooperates, scraper plate 9 are not contacted with the inner wall of cylinder 1, two vertical guide rods 10 of installation on cylinder 1, on scraper plate 9
Open up the pilot hole 11 cooperated with guide rod 10.By the rotation of motor 8, scraper plate 9 is driven to move up, scraper plate 9
The inactivation Raney's nickel catalyst being attached on 1 inner wall of cylinder strikes off, and inactivation Raney's nickel catalyst is kept to be uniformly adhered to as far as possible
On 1 inner wall of cylinder, to reduce the accumulation of inactivation Raney's nickel catalyst, increase the contact area of Raney's nickel catalyst and liquid,
Improve reaction efficiency.
Specifically, the distance between scraper plate 9 described in the present embodiment and 1 inner wall of cylinder are 1-2cm.
A kind of recovery method inactivating Raney's nickel catalyst, including the following steps: 1. will be from the muddy saved in water
It inactivates in Raney's nickel catalyst in N2It is dried to dry powdered for 80 DEG C in atmosphere, then leads to CO at normal temperature2Catalyst deactivation
Surface obtains inactivation Raney's nickel catalyst powder until its no longer spontaneous combustion in air；2. 1. mistake that step is obtained
Raney's nickel catalyst powder living is added to dosing kettle 2, adds water and acetum, and Raney's nickel catalyst and water flow into cylinder
In 1, and along the wall flow of cylinder 1, starts the surface that Raney's nickel catalyst is adsorbed to cylinder 1 by electromagnet 5, pass through CO2Into
CO is added into cylinder 1 in port 122, 3-4MPa is kept, valve, the CO of discharge pipe 13 are closed2The valve of air inlet 12 makes with liquid
Kettle 2 and 1 connection of cylinder form a closed environment, and the circulation of liquid is formed by pump 6, react 10-15min, inactivate thunder Buddhist nun
The weight ratio of Raney nickel powder, water and acetum is 1:100:100, and the concentration of acetum is 1mol/L；3. electromagnet
5 close, and the Raney's nickel catalyst on cylinder 1 is fallen into 1 bottom of cylinder, obtain final product by the discharge of discharge pipe 13.
In the present invention, in addition to electromagnet, the equal nonmetallic materials of other devices are adsorbed on equipment to avoid Raney's nickel catalyst
On.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (2)
1. a kind of inactivation Raney's nickel catalyst green reclaim processing unit, it is characterised in that: including vertical cylinder (1), match liquid
Ring pipe (3) are installed on the top of kettle (2), cylinder (1), and ring pipe (3) is inclination installation, and the lower part of ring pipe (3) is all connected with number
Root connecting tube (4), the upper end of connecting tube (4) connector drum (1), connecting tube (4) stretch to interior with cylinder (1) in cylinder (1)
Wall cooperation, the periphery of cylinder (1) are uniformly installed several electromagnet (5), and the liquid outlet of dosing kettle (2) connects the upper of ring pipe (3)
Import is held, the bottom of cylinder (1) passes through installation pump (6), the inlet of pump (6) connection dosing kettle (2), the top peace of cylinder (1)
Dress is with valvular CO2It installs with valvular discharge pipe (13) bottom of air inlet (12), cylinder (1)；The cylinder (1)
Interior installation screw rod (7), screw rod (7) and the axis direction of cylinder (1) are collinear, and the upper end of screw rod (7) passes through bearing and cylinder (1)
Inner wall connection cooperation, the lower end of screw rod (7) extend out to cylinder (1) outside, pass through sealing bearing between screw rod (7) and cylinder (1)
Cooperation, screw rod (7) connect the output shaft of motor (8), and motor (8) is fixedly mounted on the lower part of cylinder (1), and screw rod is installed on (7)
Discoid scraper plate (9), the center point of scraper plate (9) open up the screw hole with screw rod (7) cooperation, and scraper plate (9) is not interior with cylinder (1)
Wall contacts, and two vertical guide rods (10) are installed on cylinder (1), and the pilot hole with guide rod (10) cooperation is opened up on scraper plate (9)
(11).
2. a kind of inactivation Raney's nickel catalyst green reclaim processing unit according to claim 1, it is characterised in that: described
Scraper plate (9) and the distance between cylinder (1) inner wall be 1-2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236007.9A CN106807403B (en) | 2016-12-28 | 2016-12-28 | A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236007.9A CN106807403B (en) | 2016-12-28 | 2016-12-28 | A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106807403A CN106807403A (en) | 2017-06-09 |
| CN106807403B true CN106807403B (en) | 2019-04-12 |
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ID=59110203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236007.9A Expired - Fee Related CN106807403B (en) | 2016-12-28 | 2016-12-28 | A kind of inactivation Raney's nickel catalyst green reclaim processing unit and recovery method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101713A (en) * | 1987-03-07 | 1988-08-31 | 冶金工业部钢铁研究总院 | A kind of by the method that reclaims nickle carbonoxide in the waste nickel catalyst |
| CN201815394U (en) * | 2010-09-03 | 2011-05-04 | 东北助剂化工有限公司 | Device for separating and recovering solid materials from solid-liquid mixture |
| CN202777987U (en) * | 2012-07-30 | 2013-03-13 | 江苏恒祥化工有限责任公司 | Raney nickel catalyst recycle device |
| CN103920440A (en) * | 2014-03-24 | 2014-07-16 | 中国化学赛鼎宁波工程有限公司 | Continuous activation separator for raney nickel catalyst |
| CN104888523A (en) * | 2015-05-18 | 2015-09-09 | 上海闰铭精密技术有限公司 | Magnetic filtration and separation device |
| CN204816879U (en) * | 2015-07-20 | 2015-12-02 | 山西翔宇化工有限公司 | Thunder buddhist nun nickel catalyst recovery unit |
-
2016
- 2016-12-28 CN CN201611236007.9A patent/CN106807403B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101713A (en) * | 1987-03-07 | 1988-08-31 | 冶金工业部钢铁研究总院 | A kind of by the method that reclaims nickle carbonoxide in the waste nickel catalyst |
| CN201815394U (en) * | 2010-09-03 | 2011-05-04 | 东北助剂化工有限公司 | Device for separating and recovering solid materials from solid-liquid mixture |
| CN202777987U (en) * | 2012-07-30 | 2013-03-13 | 江苏恒祥化工有限责任公司 | Raney nickel catalyst recycle device |
| CN103920440A (en) * | 2014-03-24 | 2014-07-16 | 中国化学赛鼎宁波工程有限公司 | Continuous activation separator for raney nickel catalyst |
| CN104888523A (en) * | 2015-05-18 | 2015-09-09 | 上海闰铭精密技术有限公司 | Magnetic filtration and separation device |
| CN204816879U (en) * | 2015-07-20 | 2015-12-02 | 山西翔宇化工有限公司 | Thunder buddhist nun nickel catalyst recovery unit |
Non-Patent Citations (1)
| Title |
|---|
| 失活镍催化剂中镍的绿色回收工艺研究;马里;《化学工业》;20121031;第30卷(第10期);2.2失活Raney-Ni催化剂中镍的回收、4 Raney-Ni催化剂中镍的绿色回收工艺方法分析 |
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| Publication number | Publication date |
|---|---|
| CN106807403A (en) | 2017-06-09 |
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Granted publication date: 20190412 Termination date: 20191228 |