CN206951154U - Catalyst filling system of industrial fixed bed reactor - Google Patents
Catalyst filling system of industrial fixed bed reactor Download PDFInfo
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- CN206951154U CN206951154U CN201720585521.7U CN201720585521U CN206951154U CN 206951154 U CN206951154 U CN 206951154U CN 201720585521 U CN201720585521 U CN 201720585521U CN 206951154 U CN206951154 U CN 206951154U
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- fixed bed
- storage vat
- loading system
- bed reactors
- catalyst
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- 239000003054 catalyst Substances 0.000 title claims abstract description 57
- 238000003860 storage Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000010899 nucleation Methods 0.000 claims description 36
- 230000000694 effects Effects 0.000 claims description 6
- 241000237858 Gastropoda Species 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
A catalyst loading system for an industrial fixed bed reactor, comprising: the blanking device is provided with a flow regulator for controlling the blanking flow of the catalyst; the telescopic hose is positioned at a discharge port at the bottom of the blanking device; the inlet of the storage barrel is connected with the outlet of the telescopic hose; the lifting device is connected with the discharging barrel and is provided with a lifting speed controller; the driving device is arranged at the bottom of the storage barrel and is provided with a variable frequency controller for adjusting the driving device; the material spreading disc is positioned at the bottom of the storage barrel and is connected with a driving shaft of the driving device, and the material spreading disc uniformly spreads materials under the control of the driving device and the lifting device to form a relatively flat catalyst bed layer; the monitoring device comprises a distance measuring instrument and a plurality of distance measuring probes electrically connected with the distance measuring instrument, wherein the distance measuring probes are distributed around the storage bucket and transmit the detected height difference data information between the storage bucket and the catalyst bed layer to the distance measuring instrument.
Description
Technical field
More particularly to a kind of loading system of solid particulate matter, more particularly, to a kind of industrial fixed bed reactors
Catalyst loading system.
Background technology
In petroleum refining and chemical industry, before device goes into operation, the filling quality of fixed bed reactor catalyst is direct
Affect the service life of the even running of device long period and catalyst.
The core of Catalyst packing technology, seek to realize the filling even of catalyst during filling, improve filling
Quality and packing efficiency.If beds filling density is uneven, during plant running, it is easy to cause reaction mass
" short circuit ", " channel ", beds move down, even bed collapses, so as to cause material and Temperature Distribution in reactor
Uneven, reactor pressure drop is uneven, influences product quality and catalyst life.
Catalyst packing mainly uses dense phase loading mode at present, uses dense-phase loader.It is close for relatively common filling
It is radially evenly closer with axial direction to be mutually seated in bed in reactor, to giving full play to catalyst performance, improving device processing
Amount, ensure that device even running, extension fixture operation cycle etc. play an important roll.
CN205739543U discloses a kind of granule materials dense-phase loader, by motor, transmission device, storage vat and
Rotate broadcast feeder composition.Motor is installed on storage vat top, and peace is driven by being installed on the transmission device inside storage vat
Broadcast feeder rotation loaded on storage vat bottom.Broadcast feeder is vane type body structure, is provided with the bar hole of expanding slot thereon.Work
The dense-phase loader is installed on reactor head when making, granule materials are thrown away by rotation broadcast feeder from bar hole, along certain
Parabolic path is fallen into reactor, completes filling process.
CN 203767673U disclose a kind of dense-phase loader, including drive device, transmission device, storage vat and material seeding
Disk.Its basic structure and operation principle are similar to patent CN205739543U, and the main distinction is：Using side wall in top in shape
Material seeding disk, a plurality of spiral shape feed-sowing groove from bottom to top is set in side wall；Density of setting adjusting means inside storage vat.
As above existing catalyst dense-phase loader is integrally fixed on the distribution plate between reactor inlet or bed, is passed through
The rotation of broadcast feeder sheds material to reach the purpose of dense phase loading.In actual mechanical process, because material seeding disk falls with charge level
Difference, it is necessary to often adjust the discharge quantity of material seeding disk and broadcast tray dumper speed, causes often to occur charge level height not among change
Uniformly, the high situation of middle low surrounding, as catalyst charge level gradually rises, broadcast feeder rotating speed gradually rises, and this phenomenon is more
Add obvious.It is live typically to be shed catalyst into pit using reducing rotating speed, by charge level amendment it is smooth after continue to load,
So repeatedly, packing efficiency is so both influenceed, also influences the uniformity of loading density.
Therefore, each position of fixed bed reactors bed equably loading catalyst is made, it is easily operated, improve filling effect
Rate, turn into this area urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of catalyst loading system of industrial fixed bed reactors, can be effective
Avoid the charge levels such as the centre that occurs during commercial fixed bed Catalyst packing is low, surrounding is high uneven and reactor bed radially and
The uneven situation of axial catalyst loading density, make each position of fixed bed reactors bed equably loading catalyst,
It is simple to operate, improve Catalyst packing efficiency.
To reach object defined above, the catalyst loading system of industrial fixed bed reactors provided by the utility model,
Including：Comprising：
One blanking device, the flow regulator provided with a control catalyst blanking flow；
One telescopic flexible pipe, the discharge outlet positioned at the blanking device bottom；
One storage vat, entrance are connected with the outlet of the telescopic flexible pipe；
The lowering or hoisting gear of the one control storage vat lifting, is connected, and be provided with lifting speed controller with the discharge tank；
One drive device, it is arranged at the frequency-variable controller of the storing bottom of the barrel and the adjustment of connection one drive device；
One material seeding disk, positioned at the storing bottom of the barrel and with the driving axis connection of the drive device, material seeding disk is described
Uniform material seeding forms more smooth beds under the control of drive device and lowering or hoisting gear；
One detecting the whether uniform supervising device of beds loading density, including a distance meter and multiple
The multiple range finding probes being electrically connected with the distance meter, multiple range finding probes are distributed in the surrounding of the storage vat
And the difference in height data message between the storage vat detected and the beds is sent to the range measurement
Instrument.
The catalyst loading system of described industrial fixed bed reactors, installed on the storage vat multiple scalable
Formula support, a sliding block is provided with the end of each telescopic bracket, when storage vat is placed in different size reactors, is passed through
Each telescopic bracket length is adjusted and allows to adapt to storage vat under the drive of lowering or hoisting gear the sliding block along in reactor
Wall slides up and down.
The catalyst loading system of described industrial fixed bed reactors, the telescopic bracket are provided with 8, respectively
Two layers of top, the bottom of the storage vat outer wall are welded in, each layer is provided with 4.
The catalyst loading system of described industrial fixed bed reactors, a use is provided with the telescopic bracket
With the adjustment node of adjustment length, the sliding block is a pulley with the sliding effect of limit.
The catalyst loading system of described industrial fixed bed reactors, the range finding probe are arranged at described scalable
On formula support.
The catalyst loading system of described industrial fixed bed reactors, the range finding probe are provided with 4, described in 4
Range finding probe is separately mounted in 4 telescopic brackets of the top of the storage vat outer wall or bottom.
The catalyst loading system of described industrial fixed bed reactors, the lowering or hoisting gear include being symmetricly set in storage
Winch, assembly pulley and the rope of charging basket both sides, the rope are connected and through assembly pulley with the winch and are fixedly connected
Onto storage vat.
The catalyst loading system of described industrial fixed bed reactors, the distance meter are a laser ranging
Instrument.
The catalyst loading system of described industrial fixed bed reactors, the material seeding disk be two-leaved or cloverleaf or
Quaterfoil, the material seeding valve snail are fixed in the drive shaft.
The catalyst loading system of described industrial fixed bed reactors, the material seeding disk be provided with can flexible modulation it is wide
The slit of degree.
In summary, it is of the present utility model it is a technical advantage that：
The system is provided with monitoring device, can monitor the smooth degree of beds in real time, and the filling of catalyst is close
Degree can be by adjusting discharge quantity, broadcasting tray dumper speed and the lifting of the aperture of adjustable slit, material seeding highly i.e. lowering or hoisting gear is fast
Degree reaches adjustable controllable purpose.So as to ensure that catalyst efficiently, is equably seated in commercial fixed bed reactor.Can have
Effect avoids the uneven situation of the charge level that occurs during Catalyst packing, makes beds loading density controllable, adjustable, can be with
Effectively improve the packing efficiency of catalyst.
Brief description of the drawings
Fig. 1 is the catalyst loading system total figure schematic diagram of industrial fixed bed reactors.
Fig. 2 is the schematic diagram of lowering or hoisting gear.
Fig. 3 is drive device schematic diagram.
Fig. 4-1 is material seeding disk schematic diagram (one).
Fig. 4-2 is material seeding disk schematic diagram (two).
Fig. 4-3 is material seeding disk schematic diagram (three).
Wherein reference is：
11 recovering hoppers, 12 slide valves, 2 telescopic flexible pipes, 31 winches, 32 assembly pulleys, 33 ropes, 4 storage vats, 41 can stretch
Contracting formula support, 42 adjustment nodes, 43 sliding blocks, 51 motors, 511 drive shafts, 52 supports, 521 first snap parts, 53 VFC
Device, 6 material seeding disks, 61 adjustable slits, 62 drive shaft tie points, 63 expansion joints, 64, material seeding disk charging aperture, 71 range finding probes,
72 laser range finders.
Embodiment
Where the characteristics of in order to know more about the utility model, hereby for an embodiment and Fig. 1 to Fig. 4 is coordinated to be described as follows, institute
The catalyst loading system for stating the industrial fixed bed reactors that embodiment is provided includes blanking device, telescopic flexible pipe 2, storage
Lowering or hoisting gear, drive device, material seeding disk 6, the supervising device that charging basket, the control storage vat 4 lift.
As shown in Figures 1 to 4, the blanking device has a collector, collector top with a charging aperture bottom with
One discharging opening, one flow regulator is set in discharge outlet, the collector is such as, but not limited to recovering hopper 11, flow regulator example
As but be not limited to slide valve 12.In addition, the discharge outlet in the recovering hopper 11 connects a telescopic flexible pipe 2, telescopic flexible pipe 2
Has scalability flexible pipe, the material selection of telescopic flexible pipe is not limited with plastics.
In the present embodiment, a storage vat 4 is further included, its entrance connects with the telescopic outlet of flexible pipe 2, in storing
One drive device of installation in bucket 4, the drive device are arranged on the bottom of storage vat 4, drive shaft 511 and the material seeding disk of drive device
6 connections, the drive device snap connection with storage vat 4.The storage vat 4 also installs lowering or hoisting gear in this embodiment, should be with control
Make the storage vat 4 to lift, the lowering or hoisting gear is connected with edge on the discharge tank, and the lowering or hoisting gear is provided with 4 liters of storage vat of control
The lifting speed controller of reduction of speed degree.
In the present embodiment, multiple telescopic brackets 41 are also associated with the outer wall of storage vat 4, those extension type branch
Frame 41 is available for the system to be applied to various sizes of fixed bed reactors, can be by adjusting telescopic bracket 41 by storage vat
4 are fixed on inside reactor, and a sliding block 43 is provided with the end of each telescopic bracket 41, when storage vat 4 is placed in not
With size reactor when, storage vat 4 can be adapted in lowering or hoisting gear by adjusting each length of telescopic bracket 41
Allow the sliding block 43 to be slided up and down along reactor wall under drive, one is provided with the telescopic bracket 41 to adjust
The adjustment node 42 of the length of telescopic bracket 41, the sliding block 43 are a pulley with the sliding effect of limit but are not limited only to pulley.
In this embodiment, lowering or hoisting gear includes being symmetricly set in the winch 31 of the both sides of storage vat 4, assembly pulley 32 and rope
Rope 33, the rope 33 are connected and through the both sides that assembly pulley 32 is fixedly attached to storage vat 4 with the winch 31.Further
Say, using two sets of winches 31 and two sets of assembly pulleys 32 with certain speed control storage vat 4 lift, lifting speed be it is adjustable,
The all parts of lowering or hoisting gear are connected with storage vat 4 using rope 33.
Whether in this embodiment, storage vat 4 also installs a supervising device, equal to detect beds loading density
Even, the supervising device includes a distance meter and multiple multiple range finding probes being electrically connected with the distance meter, more
The individual range finding probe is distributed in the surrounding of the storage vat 4 and by the storage vat 4 detected and the beds
Between difference in height data message be sent to the distance meter.The distance meter is a laser range finder 72, specifically
For, range finding probe is arranged in the telescopic bracket 41, and telescopic bracket 41 installs 8 but is not limited to 8, respectively
Two layers of top, the bottom of the outer wall of storage vat 4 are welded on, each layer sets 4, and range finding probe can be mounted on storage vat 4
In 4 telescopic brackets 41 of portion or bottom, in Fig. 2, range finding probe be arranged on 4 of the bottom of storage vat 4 it is scalable
On formula support 41,4 telescopic brackets 41 are vertical each other, are divided into East, West, South, North four direction.In stretching for four direction
Identical scale is additionally provided with contracting formula support 41, its benefit is, the convenient position marked where range finding probe, and range finding probe is along can
Jack column 41 may move in certain limit, and range finding probe is extracted in the difference in height at diverse location, can extract many groups
Data are counted, and increase the accuracy of measurement, such as 4 range finding probes are respectively positioned at scale m1, m1 refer to range finding probe away from
From the length of 4 barrels of walls of storage vat, range finding probe measures the height H1 between the opening position and beds, when 4 rangings are visited
Head is respectively positioned at scale m2, and range finding probe measures the height H2 between the opening position and beds, by constantly changing inspection
The position of probing head, the height value between certain multigroup opening position and beds is measured, waits and no longer illustrates herein, passes through observation
The smooth degree of H1, H2 ... Hn difference in height degree of closeness monitoring catalyst bed, multigroup height difference are about close between each other
Illustrate that the flatness of beds is higher.
In this embodiment, drive device includes a motor 51, and motor 51 is dust-proof motor, is fixed on using four supports 52
On the inwall of storage vat 4, four supports 52 are provided with the first snap part, and the first snap part is with being arranged on the inwall pair of storage vat 4
Answer the second snap part of opening position to coordinate and drive device is fixed to the inwall of storage vat 4；The motor 51 connects a VFC
Device 53, the rotating speed of motor 51 is adjusted by adjusting frequency-variable controller 53, frequency-variable controller 53 is arranged at outside fixed bed reactors, passed through
Wire is connected with motor 51, and the drive shaft 511 of motor 51 is connected with material seeding disk 6.
In this embodiment, material seeding disk 6 include but is not limited to two-leaved, cloverleaf, quaterfoil distributor, referring to Fig. 4-1 to
Shown in Fig. 4-3, material seeding disk 6 is provided with adjustable slit 61, expansion joint 63, material seeding disk charging aperture 64.Material seeding disk 6 is consolidated using nut
Due in the drive shaft 511 of motor 51.The velocity of rotation of material seeding disk 6 is controlled by the controlled motor 51 of frequency-variable controller 53,
Material seeding disk charging aperture 4 is located at material seeding disk top, can the adjustable slit 61 of flexible modulation be arranged on the bottom of material seeding disk.
In this embodiment, telescopic flexible pipe is telescopic snake-like hose, and under the drive of lowering or hoisting gear, storage vat is about 4
The telescopic snake-like hose can be contradicted or stretched in lifting.
During work, recovering hopper 11 is installed on fixed bed reactors porch, using lowering or hoisting gear by the grade device of storage vat 4
Equipment is down to the initial material seeding height of setting material with certain speed, and adjustment slide valve 12 aperture control discharge quantity, catalyst is through receiving
Hopper 1, telescopic snake-like hose 7, storage vat 4, material seeding disk material seeding is driven by drive device, while lowering or hoisting gear is with a constant speed
Spend equipment lifting in the grade device of storage vat 4, charge level flatness is monitored by the reading of airborne laser range finder 5 and calculates loading density.
In summary, it is of the present utility model it is a technical advantage that：
The system is provided with monitoring device, can monitor the smooth degree of beds in real time, and the filling of catalyst is close
Degree can be by adjusting discharge quantity, broadcasting tray dumper speed and the lifting of the aperture of adjustable slit, material seeding highly i.e. lowering or hoisting gear is fast
Degree reaches adjustable controllable purpose.So as to ensure that catalyst efficiently, is equably seated in commercial fixed bed reactor.Can have
Effect avoids the uneven situation of the charge level that occurs during Catalyst packing, makes beds loading density controllable, adjustable, can be with
Effectively improve the packing efficiency of catalyst.
Claims (10)
1. a kind of catalyst loading system of industrial fixed bed reactors, it is characterised in that include：
One blanking device, the flow regulator provided with a control catalyst blanking flow；
One telescopic flexible pipe, the discharge outlet positioned at the blanking device bottom；
One storage vat, entrance are connected with the outlet of the telescopic flexible pipe；
The lowering or hoisting gear of the one control storage vat lifting, is connected, and be provided with lifting speed controller with the discharge tank；
One drive device, it is arranged at the frequency-variable controller of the storing bottom of the barrel and the adjustment of connection one drive device；
One material seeding disk, positioned at the storing bottom of the barrel and with the driving axis connection of the drive device, material seeding disk is in the driving
Uniform material seeding forms more smooth beds under the control of device and lowering or hoisting gear；
One detecting the whether uniform supervising device of beds loading density, including a distance meter and multiple and institute
Multiple range finding probes of distance meter electric connection are stated, multiple range finding probes are distributed in the surrounding of the storage vat and will
Difference in height data message between the storage vat and the beds that detect is sent to the distance meter.
2. the catalyst loading system of industrial fixed bed reactors as claimed in claim 1, it is characterised in that in the storage
Multiple telescopic brackets are installed on charging basket, a sliding block are provided with the end of each telescopic bracket, when storage vat is placed in
During different size reactors, allowed by adjusting each telescopic bracket length with adapting to storage vat under the drive of lowering or hoisting gear
The sliding block slides up and down along reactor wall.
3. the catalyst loading system of industrial fixed bed reactors as claimed in claim 2, it is characterised in that described to stretch
Contracting formula support is provided with 8, is respectively welded and is provided with 4 in two layers of top, the bottom of the storage vat outer wall, each layer.
4. the catalyst loading system of industrial fixed bed reactors as claimed in claim 3, it is characterised in that it is described can
Jack column is provided with an adjustment node to adjustment length, and the sliding block is a pulley with the sliding effect of limit.
5. the catalyst loading system of industrial fixed bed reactors as claimed in claim 2, it is characterised in that the ranging
Probe is arranged in the telescopic bracket.
6. the catalyst loading system of industrial fixed bed reactors as claimed in claim 3, it is characterised in that the ranging
Probe is provided with 4, and 4 range finding probes are separately mounted to stretch positioned at the top of the storage vat outer wall or 4 of bottom
On contracting formula support.
7. the catalyst loading system of industrial fixed bed reactors as claimed in claim 1, it is characterised in that the lifting
Device includes the winch, assembly pulley and rope for being symmetricly set in storage vat both sides, and the rope is connected with the winch
And it is fixedly attached to through assembly pulley on storage vat.
8. the catalyst loading system of industrial fixed bed reactors as claimed in claim 1, it is characterised in that the distance
Measuring instrument is a laser range finder.
9. the catalyst loading system of industrial fixed bed reactors as claimed in claim 1, it is characterised in that the material seeding
Disk is two-leaved or cloverleaf or quaterfoil, and the material seeding valve snail is fixed in the drive shaft.
10. the catalyst loading system of industrial fixed bed reactors as claimed in claim 9, it is characterised in that described to broadcast
Charging tray be provided with can flexible modulation width slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585521.7U CN206951154U (en) | 2017-05-24 | 2017-05-24 | Catalyst filling system of industrial fixed bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585521.7U CN206951154U (en) | 2017-05-24 | 2017-05-24 | Catalyst filling system of industrial fixed bed reactor |
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| Publication Number | Publication Date |
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| CN206951154U true CN206951154U (en) | 2018-02-02 |
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| CN201720585521.7U Active CN206951154U (en) | 2017-05-24 | 2017-05-24 | Catalyst filling system of industrial fixed bed reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650166A (en) * | 2022-11-23 | 2023-01-31 | 杭州普菲科空分设备有限公司 | Adsorption tower of methanol cracking hydrogen production device and filling method of adsorbent of adsorption tower |
-
2017
- 2017-05-24 CN CN201720585521.7U patent/CN206951154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115650166A (en) * | 2022-11-23 | 2023-01-31 | 杭州普菲科空分设备有限公司 | Adsorption tower of methanol cracking hydrogen production device and filling method of adsorbent of adsorption tower |
| CN115650166B (en) * | 2022-11-23 | 2024-02-13 | 杭州普菲科空分设备有限公司 | Adsorption tower of methanol pyrolysis hydrogen production device and filling method of adsorbent of adsorption tower |
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