CN208482418U - A kind of decahydronaphthalene reaction unit - Google Patents
A kind of decahydronaphthalene reaction unit Download PDFInfo
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- CN208482418U CN208482418U CN201820920395.0U CN201820920395U CN208482418U CN 208482418 U CN208482418 U CN 208482418U CN 201820920395 U CN201820920395 U CN 201820920395U CN 208482418 U CN208482418 U CN 208482418U
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Abstract
The utility model discloses a kind of decahydronaphthalene reaction units, catalyst batch bin is provided in operating under nitrogen room, there is nitrogen air supply pipe on the top of catalyst batch bin by piping connection, there is displacement charging valve body in the bottom end of catalyst batch bin by piping connection, displacement charging valve body passes through pipeline connection nitrogen air supply pipe, displacement charging spool is wherein fitted in displacement charging valve body, displacement charging spool is connected with handle；Displacement charging valve body, which also passes through pipeline connection, a reaction kettle, and the top of reaction kettle is provided with charging block, opens up fluted in the block that feeds, and flashboard is provided in groove, gate rotation bar is fitted in flashboard；Safety pin is provided with below flashboard, safety pin is fixed with piston block far from one end of flashboard, and piston block is slidably mounted in safety pin mounting groove, and spring two is wherein provided between piston block and the right side wall of safety pin mounting groove, and spring two is sleeved on safety pin.The utility model has the beneficial effects that not influencing the activity of catalyst, yield is improved.
Description
Technical field
The utility model relates to decahydronaphthalene production technical fields, more specifically, be related to a kind of decahydronaphthalene reaction unit and
Its process flow.
Background technique
Decahydronaphthalene is a kind of organic compound, molecular formula C10H18, toxic；It is mainly used as the molten of grease, resin, rubber etc.
Agent and paint remover, lubricant.It industrially carries out catalytic hydrogenation in the presence of a nickel catalyst by naphthalene and obtains the equivalent of two kinds of isomers
Mixture.When catalyst is added, catalyst is often exposed in air existing decahydronaphthalene reaction unit, will affect urge in this way
The activity of agent, causes yield to decline.
Therefore, in view of the above, innovate it is a kind of do not influence catalyst activity, the high decahydronaphthalene reaction unit of yield and its
Process flow is those skilled in the art's problem to be solved.
Utility model content
In order to overcome the technical drawbacks described above, the utility model provides a kind of decahydronaphthalene reaction unit and its process flow.
To achieve the above object, the utility model uses following technical scheme:
A kind of decahydronaphthalene reaction unit, including operating under nitrogen room are provided with catalyst batch bin in the operating under nitrogen room,
The top of catalyst batch bin is covered with sealing cover, and pressing plate is provided on the left of sealing cover, and pressing plate is arranged in catalyst batch bin
Top；There is nitrogen air supply pipe on the top of the catalyst batch bin by piping connection, and the bottom end of catalyst batch bin passes through
Piping connection has displacement charging valve body, and displacement charging valve body is by pipeline connection nitrogen air supply pipe, wherein in displacement charging valve body
It is fitted with displacement charging spool, displacement charging spool is connected with handle, and it is external that handle stretches out displacement charging valve；The displacement charging
Valve body, which also passes through pipeline connection, reaction kettle, and thermometer and pressure gauge are provided on reaction kettle, be provided in reaction kettle heating plate,
Cooling tube and stirring blade, wherein cooling tube is connected to cooling device, and wherein stirring blade is connected with stirring motor；The reaction kettle
Bottom end be additionally provided with plus hydrogen pipeline and discharge nozzle, add and be provided with motor-driven valve one on hydrogen pipeline, be provided with motor-driven valve on discharge nozzle
Two；The top of the reaction kettle is provided with charging block, and the top for the block that feeds is communicated with charge pipe, opened up in the block that feeds it is fluted,
It is provided with flashboard in groove, gate rotation bar is fitted in flashboard, gate rotation bar stretches out outside charging block；The lower section of the flashboard
It is provided with safety pin, safety pin is fixed with piston block far from one end of flashboard, and piston block is slidably mounted in safety pin mounting groove,
Spring two is wherein provided between piston block and the right side wall of safety pin mounting groove, spring two is sleeved on safety pin；The peace
Full pin mounting groove is connected in reaction kettle by venthole, wherein the safety pin mounting groove on right side is connected to exhaust gas by exhaust gas recycling tube
Processing unit is provided with motor-driven valve three on exhaust gas recycling tube.
Further, it is provided with insurance valve body on the pipeline of the connection displacement charging valve body and reaction kettle, insures valve body
It is connected to reaction kettle, insures in valve body and is fitted with insurance spool, the right end for insuring spool is fixed with spring stop, spring stop setting
In spring mounting groove, spring is provided between spring stop and the left side wall of spring mounting groove, spring pocket is mounted in insurance spool
On, wherein spring mounting groove also passes through pipeline connection reaction kettle.
Further, sealing ring is provided on the flashboard and piston block.
Further, the flashboard and be all spherical structure with the recess sidewall of rams contact.
A kind of decahydronaphthalene reaction unit, process flow are as follows:
Raw naphthalene material is added in the first step in reaction kettle, in catalyst batch bin be added 2%-8%(raw naphthalene material weight) nickel
Series catalysts；
Nickel catalyst is added in reaction kettle by second step, then fills hydrogenation to reaction kettle；
Third step heats reaction kettle, under conditions of temperature is 180-240 DEG C, pressure is 2-3MPa, reacts 2-
3h；
4th step keeps the temperature 1-2h under conditions of temperature is 240-250 DEG C, pressure is 2-3MPa.
The beneficial effects of the utility model are: not influencing the activity of catalyst when catalyst is added, production is improved
Rate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of decahydronaphthalene reaction unit described in the utility model；
Fig. 2 is the partial enlarged view at Figure 1A；
Fig. 3 is the partial enlarged view at Figure 1B；
Fig. 4 is the partial enlarged view at Fig. 1 C；
Fig. 5 is the partial enlarged view at Fig. 4 D；
Fig. 6 is the schematic view of the mounting position of gate rotation bar described in the utility model；
In figure, 1, operating under nitrogen room；2, catalyst batch bin；3, sealing cover；4, pressing plate；5, nitrogen air supply pipe；6, it replaces
Feed valve body；7, handle；8, displacement charging spool；9, insure valve body；10, insure spool；11, spring mounting groove；12, spring；
13, spring stop；14, reaction kettle；15, thermometer；16, pressure gauge；17, cooling tube；18, stirring motor；19, stirring blade；
20, add hydrogen pipeline；21, motor-driven valve one；22, discharge nozzle；23, motor-driven valve two；24, feed block；25, groove；26, charge pipe；27,
Flashboard；28, gate rotation bar；29, sealing ring；30, venthole；31, safety pin mounting groove；32, safety pin；33, spring two；
34, piston block；35, exhaust gas recycling tube；36, motor-driven valve three；37, heating plate.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawing, according to Fig. 1-6, a kind of decahydronaphthalene reaction dress
It sets, including operating under nitrogen room 1, catalyst batch bin 2 is provided in operating under nitrogen room 1, the top cover of catalyst batch bin 2 closes
There is sealing cover 3, the left side of sealing cover 3 is provided with pressing plate 4, and the top of catalyst batch bin 2 is arranged in pressing plate 4；Catalyst ingredient
There is nitrogen air supply pipe 5 on the top in storehouse 2 by piping connection, and the bottom end of catalyst batch bin 2 has displacement to feed by piping connection
Valve body 6, displacement charging valve body 6 is by pipeline connection nitrogen air supply pipe 5, wherein being fitted with displacement charging in displacement charging valve body 6
Spool 8, displacement charging spool 8 are connected with handle 7, and handle 7 stretches out outside displacement charging valve body 6；Displacement charging valve body 6 also passes through pipe
Road is communicated with reaction kettle 14, and thermometer 15 and pressure gauge 16 are provided on reaction kettle 14, be provided in reaction kettle 14 heating plate 37,
Cooling tube 17 and stirring blade 19, wherein cooling tube 17 is connected to cooling device, and wherein stirring blade 19 is connected with stirring motor 18；
It is additionally provided in the bottom end of reaction kettle 14 and adds hydrogen pipeline 20 and discharge nozzle 22, added and be provided with motor-driven valve 1 on hydrogen pipeline 20, out
Motor-driven valve 2 23 is provided in expects pipe 22；The top of reaction kettle 14 is provided with charging block 24, the top of charging block 24 is communicated with
Charge pipe 26, feed block 24 in open up fluted 25, flashboard 27 is provided in groove 25, gate rotation bar is fitted in flashboard 27
28, gate rotation bar 28 stretches out outside charging block 24；The lower section of flashboard 27 is provided with safety pin 32, safety pin 32 is far from flashboard 27
One end be fixed with piston block 34, piston block 34 is slidably mounted in safety pin mounting groove 31, wherein piston block 34 and safety pin
Spring 2 33 is provided between the right side wall of mounting groove 31, spring 2 33 is sleeved on safety pin 32；Safety pin mounting groove 31 is logical
It crosses venthole 30 to be connected in reaction kettle 14, wherein the safety pin mounting groove 31 on right side is connected to exhaust-gas treatment by exhaust gas recycling tube 35
Device is provided with motor-driven valve 36 on exhaust gas recycling tube 35；
Insurance valve body 9 is wherein provided on the pipeline of connection displacement charging valve body 6 and reaction kettle 14, insurance valve body 9 is connected to
Reaction kettle 14, insures and is fitted with insurance spool 10 in valve body 9, and the right end of insurance spool 10 is fixed with spring stop 13, spring catch
Plate 13 is arranged in spring mounting groove 11, and spring 12, bullet are provided between spring stop 13 and the left side wall of spring mounting groove 11
Spring 12 is sleeved on insurance spool 10, and wherein spring mounting groove 11 also passes through pipeline connection reaction kettle 14；
Wherein sealing ring 29 is provided on flashboard 27 and piston block 34；
Wherein flashboard 27 and 25 side wall of groove contacted with flashboard 27 are all spherical structure.
A kind of decahydronaphthalene reaction unit, process flow are as follows:
Raw naphthalene material is added in reaction kettle 14 in the first step, and 2%-8%(raw naphthalene material weight is added in catalyst batch bin 2)
Nickel catalyst；
Nickel catalyst is added in reaction kettle 14 by second step, then fills hydrogenation to reaction kettle 14；
Third step heats reaction kettle 14, under conditions of temperature is 180-240 DEG C, pressure is 2-3MPa, reaction
2-3h；
4th step keeps the temperature 1-2h under conditions of temperature is 240-250 DEG C, pressure is 2-3MPa.
In the present embodiment, when needing to produce decahydronaphthalene, rotational handle 7 closes displacement charging valve body 6 disconnected first
Then stream provides nitrogen to nitrogen air supply pipe 5, allows employee to dress safeguard and enter in operating under nitrogen room 1, open sealing
Nickel catalyst is added in catalyst batch bin 2 after lid 3, then lid closes sealing cover 3, and pressing plate 4 is made to block sealing cover 3；Again
Rotary shutter rotating bar 28 opens flashboard 27, raw naphthalene material is added into reaction kettle 14 by charge pipe 26, at this time rotational handle
7, make nitrogen by entering in reaction kettle 14 after nitrogen air supply pipe 5 and displacement charging valve body 6, until nitrogen replaces reaction kettle
After air in 14, rotary shutter rotating bar 28 closes flashboard 27；Rotational handle 7 at this time make nitrogen by catalyst batch bin
Nickel catalyst in 2 is blown into reaction kettle 14；Then reaction kettle 14 is heated, then by adding hydrogen pipeline 20 to anti-
It answers in kettle 14 and fills hydrogenation, reacted.
Embodiment 1
Raw material 500g naphthalene is added in reaction kettle, the nickel catalyst of 10g is added in catalyst batch bin；Nickel system is urged
Agent is added in reaction kettle, then fills hydrogenation to reaction kettle；Reaction kettle is heated, temperature is 180 DEG C, pressure is
Under conditions of 2MPa, 2h is reacted；Under conditions of temperature is 240 DEG C, pressure is 2MPa, 1h, yield 96.4% are kept the temperature.
Embodiment 2
Raw material 500g naphthalene is added in reaction kettle, the nickel catalyst of 40g is added in catalyst batch bin；Nickel system is urged
Agent is added in reaction kettle, then fills hydrogenation to reaction kettle；Reaction kettle is heated, temperature is 240 DEG C, pressure is
Under conditions of 3MPa, 3h is reacted；Under conditions of temperature is 250 DEG C, pressure is 3MPa, 2h is kept the temperature, yield is that yield is
95.8%。
Embodiment 3
Raw material 500g naphthalene is added in reaction kettle, the nickel catalyst of 12.5g is added in catalyst batch bin；By nickel system
Catalyst is added in reaction kettle, then fills hydrogenation to reaction kettle；Reaction kettle is heated, is 210 DEG C, pressure in temperature
Under conditions of 2.5MPa, 2.5h is reacted；Under conditions of temperature is 245 DEG C, pressure is 2.5MPa, 1.5h is kept the temperature, yield is
97.4%。
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art
Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model
Protection scope within.
Claims (4)
1. a kind of decahydronaphthalene reaction unit, it is characterised in that: including operating under nitrogen room (1), setting in the operating under nitrogen room (1)
Have catalyst batch bin (2), the top of catalyst batch bin (2) is covered with sealing cover (3), and sealing cover is provided on the left of (3)
Pressing plate (4), pressing plate (4) are arranged on the top of catalyst batch bin (2)；The top of the catalyst batch bin (2) passes through pipeline
It is connected with nitrogen air supply pipe (5), there is displacement charging valve body (6) in the bottom end of catalyst batch bin (2) by piping connection, and displacement adds
Valve body (6) are expected by pipeline connection nitrogen air supply pipe (5), wherein being fitted with displacement charging spool in displacement charging valve body (6)
(8), displacement charging spool (8) is connected with handle (7), and handle (7) stretches out displacement charging valve body (6) outside；The displacement charging valve
Body (6) also has reaction kettle (14) by pipeline connection, and thermometer (15) and pressure gauge (16) are provided on reaction kettle (14), reaction
It is provided with heating plate (37), cooling tube (17) and stirring blade (19) in kettle (14), wherein cooling tube (17) is connected to cooling device,
Wherein stirring blade (19) is connected with stirring motor (18)；The bottom end of the reaction kettle (14) be additionally provided with plus hydrogen pipeline (20) and
Discharge nozzle (22), adds and is provided with motor-driven valve one (21) on hydrogen pipeline (20), and discharge nozzle is provided with motor-driven valve two (23) on (22)；Institute
The top for stating reaction kettle (14) is provided with charging block (24), and the top of charging block (24) is communicated with charge pipe (26), and feed block
(24) it is opened up fluted (25) in, is provided with flashboard (27) in groove (25), gate rotation bar (28) are fitted in flashboard (27),
Gate rotation bar (28) stretches out charging block (24) outside；It is provided with safety pin (32) below the flashboard (27), safety pin (32)
One end far from flashboard (27) is fixed with piston block (34), and piston block (34) is slidably mounted in safety pin mounting groove (31),
It is provided with spring two (33) between middle piston block (34) and the right side wall of safety pin mounting groove (31), spring two (33) is sleeved on peace
On full pin (32)；The safety pin mounting groove (31) is interior by venthole (30) connection reaction kettle (14), wherein the safety on right side
It sells mounting groove (31) and is connected to emission-control equipment by exhaust gas recycling tube (35), exhaust gas recycling tube is provided with motor-driven valve three on (35)
(36).
2. a kind of decahydronaphthalene reaction unit according to claim 1, it is characterised in that: connection displacement charging valve body (6) and
Insurance valve body (9) is provided on the pipeline of reaction kettle (14), insurance valve body (9) connection reaction kettle (14) is insured in valve body (9) and inserted
Right end equipped with insurance spool (10), insurance spool (10) is fixed with spring stop (13), and spring stop (13) is arranged in spring
In mounting groove (11), it is provided between spring stop (13) and the left side wall of spring mounting groove (11) spring (12), spring (12)
It is sleeved in insurance spool (10), wherein spring mounting groove (11) also passes through pipeline connection reaction kettle (14).
3. a kind of decahydronaphthalene reaction unit according to claim 1, it is characterised in that: on flashboard (27) and piston block (34)
It is provided with sealing ring (29).
4. a kind of decahydronaphthalene reaction unit according to claim 1, it is characterised in that: the flashboard (27) and and flashboard
(27) groove (25) side wall contacted is all spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920395.0U CN208482418U (en) | 2018-06-14 | 2018-06-14 | A kind of decahydronaphthalene reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920395.0U CN208482418U (en) | 2018-06-14 | 2018-06-14 | A kind of decahydronaphthalene reaction unit |
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| Publication Number | Publication Date |
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| CN208482418U true CN208482418U (en) | 2019-02-12 |
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| CN201820920395.0U Active CN208482418U (en) | 2018-06-14 | 2018-06-14 | A kind of decahydronaphthalene reaction unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589374A (en) * | 2020-07-03 | 2020-08-28 | 河北兰升生物科技有限公司 | Vibration feeding device and reaction equipment with same |
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2018
- 2018-06-14 CN CN201820920395.0U patent/CN208482418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111589374A (en) * | 2020-07-03 | 2020-08-28 | 河北兰升生物科技有限公司 | Vibration feeding device and reaction equipment with same |
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