CN205981998U - Continuous type solid particle circulation volume controlling means - Google Patents
Continuous type solid particle circulation volume controlling means Download PDFInfo
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- CN205981998U CN205981998U CN201620765334.2U CN201620765334U CN205981998U CN 205981998 U CN205981998 U CN 205981998U CN 201620765334 U CN201620765334 U CN 201620765334U CN 205981998 U CN205981998 U CN 205981998U
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- cloth material
- material wheel
- control device
- housing
- solid particle
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Abstract
The utility model discloses a continuous type solid particle circulation volume controlling means mainly comprises inlet pipe (2), casing (3), cloth wheel (4), preforming (8) and speed governing subassembly (17), and inlet pipe fixed connection is on the upper portion of casing, and the cloth wheel lies in the below of casing inlet pipe, has the measurement sub -box that a plurality of volumes are equal at the surperficial partition of cloth wheel circumference, the output and the cloth wheel of speed governing subassembly are connected, the lower part of casing is discharging pipe (14). The utility model discloses utilize solid particle's blending, the cloth that flows into steady rotation and surperficial equipartition same volume sub -box along the inlet pipe naturally takes turns to, takes turns at the cloth and rotates under the drive, and solid particle from trapezoidal sub -box landing, along the discharging pipe outflow, accomplishes measurement and transport to solid particle under the effect of gravity. The device simple structure adjusts in a flexible way, and the measurement is accurate, and the process is continuous, does not need on line measurement and calculation, also need not carry wind, avoids the secondary pollution who brings the system.
Description
Technical field
This utility model belongs to solids circulation metering and control device technology neck in fluid bed and mobile bed system
Domain, mainly
Refer to a kind of continuous solid solids circulation flux control device.It is particluarly suitable for medium and small fluid bed and shifting
Use in bed system.
Background technology
Fluid bed and moving bed are many wide variety of reactor types of industrial circle such as petrochemical industry, metallurgy, thermoelectricity.
In this kind of response system, solid catalyst particle is to circulate between different reactors, with realize reaction-regeneration,
Heat transfer or other function, therefore, the continuous measurement of solids circulation with to control be key point and the difficult point of this system,
It is to affect one of key factor of its working condition and efficiency.
At present, the measurement of known solids circulation and control method mainly have non-mechanical valve, mechanical valve
Door and locking hopper.First two observing and controlling mode is on-positive displacement, i.e. the observing and controlling of solids circulation is surveyed not by volume
Amount is realizing, but relies on the measurement to other parameters indirectly to realize the control to solids circulation flux；Latter controlling party
Method is volumetric metering method, but its control process is interval.
The non-mechanical valve controlling for solids circulation（L valve, J valve, H valve, V valve and U valve etc.）It is a kind of non-
Positive displacement control valve, is mainly used in CFBB, is generally suitable for microsphere particle, and its advantage is can be continuous at high temperature
Work, without motion component, reliability is higher；Shortcoming is that solids circulation flux must be controlled by adjusting delivery air, controls essence
Degree is poor, and brings adverse effect to product separation.
The mechanical valve controlling for solids circulation（Butterfly valve, plug valve, guiding valve etc.）Be also one kind be suitable for micro-
The on-positive displacement control valve of ball particle.This kind of valve does not need delivery air, will not introduce impurity, be usually used in having chemical reaction and
Product needs detached occasion, the such as technical process such as FCC, MTO.Its advantage is to be quick on the draw, and easily maintains valve top dipleg
Material envelope height；Shortcoming is circulating load to be controlled typically require the measurement data such as or guiding valve pressure drop poor with heat, carbon and use cooperatively,
Calculating process is complicated, Measure Precision is poor.
Locking hopper is the nucleus equipment that mobile bed apparatus catalyst particles material circulating load controls, and is coupled reaction and regeneration system
The bridge of system, its Main Function is strictly to realize isolating and completing catalyst between trans- system again of differential responses environment
Conveying.Locking hopper is displacement device, and the control to catalyst circulating load is more accurate, but its auxiliary equipment is many, to valve
The having high demands of door equipment, control flow is complicated, needs substantial amounts of conveying wind, and the metering to catalyst is discontinuous with conveying.
Above-mentioned non-mechanical valve and locking hopper are in solid particle metering and course of conveying, it is desirable to have loosen
Wind, conveying wind or pressurization wind, these conveying wind are generally and purify wind or nitrogen, enter in product and can make with solid particle
Become secondary pollution, need to be separated again.
Content of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of solids circulation control of continuous way
Device processed.This device is suitable for metering and the control of the circulating load of microsphere, bead or aspherical solid particle, and its structure is simple,
Flexible adjustment, accurate measurement, process is continuous it is not necessary to on-line measurement and calculating are it is not required that convey wind, it can be avoided that to system
The secondary pollution bringing.
This utility model is realized above-mentioned purpose and be employed technical scheme comprise that：A kind of continuous solid solids circulation flux controls dress
Put and be mainly made up of feed pipe, housing, cloth material wheel, tabletting and regulating module, described feed pipe is fixedly connected on the upper of housing
Portion, described cloth material wheel is located at the lower section of feed pipe in housing, has the equal meter of some volumes in cloth material wheel circumferential surface decile
Amount sub-box；Described regulating module is located at outside housing, and its outfan is connected with cloth material wheel, and the bottom of described housing is discharge nozzle.
Feed pipe described in the utility model is taper pipe or laddertron, the angle α of its tube wall and plumb line is 0 °～
60 °, the cross-sectional width a of its bottom is less than the width b that cloth wheel surface measures sub-box.
Cloth material wheel described in the utility model is cylinder, the equal little lattice of metering of some volumes of its circumferential surface decile
Son is trapezoidal sub-box.
The both sides that this utility model is located at feed pipe on described cloth material wheel top are respectively arranged with a tabletting, this tabletting
One end feeds the fixing pin connection of pipe outer wall upper fixed seat, other one end by the compression bullet being enclosed within fix bar with being fixedly connected on
Spring is in close contact with cloth material wheel.
The feed pipe of cloth material wheel described in the utility model and the spacing of cloth wheel surface are 1～10mm.
This utility model is also associated with pressure-equalizing pipe in described housing, and this pressure-equalizing pipe filters at least provided with one
Device and loosening airduct.
The upper end of feed pipe described in the utility model is stretched out outside housing, is fixedly connected with upper flange.
The lower end of discharge nozzle described in the utility model is connected with lower flange.
The thickness of cloth material wheel described in the utility model and diameter are than for 1：2～1：5.
The on-fixed end that tabletting described in the utility model is contacted with cloth material wheel is to be bent upwards tilting structure.
It is at the uniform velocity to rotate with reference to cloth material wheel using solid particle flow characteristic to realize measuring in this utility model.Need
In the metering sub-box that the solid particle of metering flows downwardly into cloth wheel surface in housing by entrance A along feed pipe, arrangements for speed regulation
Cloth material wheel is driven at the uniform velocity to rotate in certain direction by fixing axle, when the metering sub-box filling solid particle rotates to housing
During the latter half, solid particle landing in sub-box under gravity, flow out along outlet B.Due to of the present utility model solid
The flow measurement of body granule adopts positive displacement, and the volume of the trapezoidal sub-box of cloth wheel surface is equal, therefore passes through cloth material wheel
Solid particle flow（Circulating load）Only relevant with the rotating speed of cloth material wheel and the bulk density of granule, and grasp with temperature and pressure etc.
Make that parameter is unrelated, this is it is avoided that the impact to solids circulation for the technological parameter fluctuation.For same solid particle, as long as
The invariablenes turning speed of cloth material wheel, then the amount flowing through this circulation control device is also constant.Change turning of cloth material wheel
Speed, then solids circulation change therewith, the whole process that adjusts is simple, and process is continuous, accurate measurement.Due to cloth material wheel
Top is provided with tabletting, can prevent solid particle from arbitrarily flowing, and can improve the accuracy of measurement result further.Additionally,
It is provided with pressure-equalizing pipe between circulation control device housing and feed pipe, can be in case the blanking that causes of two-way pressure imbalance
The smooth or too fast problem of blanking, completely eliminates the impact to solids circulation for the operating pressure.Because this device relies on cloth
The rotation of material wheel realizes solid particle is measured, and in normal condition, that is, solid particle is non-caked, do not build bridge, can be with proper flow
In the case of it is not necessary to open loosen wind, therefore do not introduce other gases to system, it is to avoid secondary pollution is brought to system.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 connects shaft stool schematic diagram for Fig. 2.
In figure, 1, upper flange；2nd, feed pipe；3rd, housing；4th, cloth material wheel；5th, connecting shaft；6th, fix bar；7th, holddown spring；
8th, tabletting；9th, fixed seat；10th, steady pin；11st, pressure-equalizing pipe；12nd, loosen airduct；13rd, filter；14th, discharge nozzle；15th, under
Flange；16th, black box；17th, regulating module；18th, measure sub-box；19th, connect shaft stool；A, entrance；B, outlet.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage are more apparent from, below in conjunction with drawings and Examples pair
This utility model is described in further detail.It should be appreciated that specific embodiment described herein is only new in order to explain this practicality
Type, is not used to limit this utility model.
As shown in Figure 1 with Figure 2, continuous solid solids circulation flux control device described in the utility model is mainly by upper
Flange 1, feed pipe 2, housing 3, cloth material wheel 4, connecting shaft 5, fix bar 6, holddown spring 7, tabletting 8, pressure-equalizing pipe 11, discharging
Pipe 14, lower flange 15, metering sub-box 18 and connection shaft stool 19 form, and wherein, feed pipe 2 is taper pipe or laddertron,
Its tube wall is 0 °～60 ° with the angle α of plumb line, preferably 10 °～45 °, and the cross-sectional width a of its bottom is less than cloth material wheel 4 table
The width b of sub-box is measured in face.Can smoothly be flowed down with guarantee solid particle.Described feed pipe 2 be located at housing 3 top and with
The top of housing 3 is fixedly connected, its upper end stretch out housing 3 outer be fixedly connected with upper flange 1, lower end is in housing 3.In housing
The underface being located at feed pipe 2 in 3 is provided with cloth material wheel 4, and this cloth material wheel 4 is supported by connecting shaft 5.Connecting shaft 5 one end
Sealed in the side of housing 3 by black box 16 and supported, the other end is placed on connection shaft stool 19（As Fig. 3 institute
State）, this connection shaft stool 19 be semicircle, be welded on black box 16 just to housing 3 opposite side inwall on.Described
Cloth material wheel 4 is 1～10mm, preferably 2～6mm with the spacing of feed pipe 2 bottom, to prevent solid particle from the side of cloth material wheel
Flow out.Described cloth material wheel 4 is cylinder, and thickness and diameter ratio is for 1：2～1：5.It is divided into some along cloth material wheel 4 circumferential surface
The equal metering sub-box of volume, in order to contain and to measure the solid particle flowing down from feed pipe 2.Due to trapezoidal for upper big under
Little structure, is conducive to processing and do not result in solid particle outflow difficulty, therefore, the present embodiment is designed as measuring sub-box
Trapezoidal sub-box 18.
The both sides being located at feed pipe 2 on cloth material wheel 4 top are respectively arranged with a tabletting 8, and the width of tabletting 8 is little with metering
The width of grid 18 is consistent, and its fixing end has a circular hole that may pass through steady pin 10, and on-fixed end is to be bent upwards tilting knot
Structure.The fixing end of tabletting 8 is connected with the fixed seat 9 being welded on feed pipe 2 outer wall and steady pin 10.Every group of fixed seat 9 is two
The metallic plate of block rectangle, is symmetrically welded on the outer wall of feed pipe 2, and two pieces of metallic plates are welded on every side, and every piece of metallic plate is opened
There is a hole that can pass through steady pin 10, the fixing end of tabletting 8 is located between two pieces of metallic plates, is sequentially passed through with steady pin 10
Hole in the front metallic plate of front fixed seat 9, tabletting 8 and fixed seat 9 and rear metallic plate, one end of tabletting 8 is fixed, and ensures
Tabletting 8 can rotate upwardly and downwardly around steady pin 10；Other one end of tabletting 8 is by the holddown spring 7 and the cloth that are enclosed within fix bar 6
Wheel 4 close contact, its objective is to ensure that the solid particle volume in each sub-box 18 is equal, prevents solid particle along little simultaneously
Sections side surface current goes out, and fix bar 6 is welded on housing 3.For preventing the stuck cloth material wheel 4 of tabletting 8, tabletting 8 is contacted with cloth material wheel 4
On-fixed end（I.e. near one end of holddown spring 7）For being bent upwards tilting structure.Regulating module 17 is located at outside housing 3, its
Outfan is connected with coupling rod 5.The effect of regulating module 17 has two：One is to drive cloth material wheel 4 even in housing 3 around coupling rod 5
Speed rotates；Two is can be according to solids circulation requirement speed governing rotating speed.It is provided with by the position of housing 3 in coupling rod 5
Black box 16, in order to stop the solid particle in housing 3 from overflowing along coupling rod 5, and plays supporting role to coupling rod 5.By
Equal in trapezoidal sub-box 18 volume on cloth material wheel 4 surface, therefore pass through the solid particle flow of cloth material wheel 4（Circulating load）Only with
The rotating speed of cloth material wheel 4 is relevant with the bulk density of granule（The particle diameter of solid particle is not more than 5mm）, and grasp with temperature and pressure etc.
Make that parameter is unrelated, this, it is avoided that the impact to solids circulation for the technological parameter fluctuation, improves the accuracy of metering.Described shell
The bottom of body 3 is discharge nozzle 14, and this discharge nozzle 14 is coaxial with feed pipe 2, and the lower end of discharge nozzle 14 is connected with lower flange 15.Need
The solid particle of metering flows downwardly into housing 3 along feed pipe 2 from entrance A, using solid particle flow behavior so as to along entering
Expects pipe flows in the cloth material wheel 4 of the trapezoidal sub-box of the uniform isometric(al) of uniform rotation and surface naturally, when cloth wheel turns to necessarily
Behind position, solid particle from the landing of trapezoidal sub-box 18, flows out along discharge nozzle 14 from outlet B, it is right to complete under gravity
The metering of solid particle and conveying.
In order to eliminate the impact to solids circulation of examining system pressure imbalance or fluctuation, this circulating load controls dress
Put and be provided with pressure-equalizing pipe 11 between housing 3 and feed pipe 2, in order to balance the pressure between housing 3 inner chamber and feed pipe 2
Difference, solves that the blanking that brings of pressure change is smooth or the too fast problem of blanking, eliminates the shadow to solids circulation for the operating pressure
Ring.At least provided with a filter 13 on described pressure-equalizing pipe 11, effect is isolation solid particle, prevents it without metering
And flow directly in housing 3 along pressure-equalizing pipe 11.Filter 13 can from metal powder filter, ceramic filter or its
He can completely cut off solid particle, but the material that can pass the gas through.It is also associated with loosening airduct 12, this loosening wind in described
Pipe 12 is communicated with pressure-equalizing pipe 11, is provided with a valve on loosening airduct 12, prevents pressure-equalizing pipe 11 by loosening wind
Pipe 12 is directly communicated with the external world.The effect of loosening airduct 12 is that the solid particle in feed pipe arch formation and cannot flow
When dynamic, arch formation occurs it is ensured that solid particle can smoothly flow down by discontinuously supplying loosening wind destruction solid particle.
Claims (10)
1. a kind of continuous solid solids circulation flux control device it is characterised in that：This device is mainly by feed pipe（2）, housing
（3）, cloth material wheel（4）, tabletting（8）And regulating module（17）Composition, described feed pipe is fixedly connected on the top of housing, described
Cloth material wheel be located at housing in feed pipe lower section, have the little lattice of the equal metering of some volumes in cloth material wheel circumferential surface decile
Son；Described regulating module（17）Positioned at housing（3）Outward, its outfan and cloth material wheel（4）Connect, the bottom of described housing is discharging
Pipe（14）.
2. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：Described feed pipe
（2）For taper pipe or laddertron, its tube wall is 0 °～60 ° with the angle α of plumb line, and the cross-sectional width a of its bottom is less than
Cloth material wheel（4）The width b of surface metrology sub-box.
3. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：Described cloth material wheel
（4）For cylinder, the metering sub-box that some volumes of its circumferential surface decile are equal is trapezoidal sub-box（18）.
4. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：In described cloth material wheel
（4）Top is located at feed pipe（2）Both sides be respectively arranged with a tabletting（8）, one end of this tabletting be fixedly connected on charging
Pipe outer wall upper fixed seat（9）Steady pin（10）Connection, other one end are by being enclosed within fix bar（6）On holddown spring（7）With cloth
Material wheel is in close contact.
5. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：Described cloth material wheel
（4）Surface and feed pipe（2）Spacing be 1～10mm.
6. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：In described housing
（3）It is also associated with pressure-equalizing pipe（11）, this pressure-equalizing pipe（11）On at least provided with a filter（13）With loosening airduct
（12）.
7. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：Described feed pipe
（2）Upper end stretch out housing（3）Outward, with upper flange（1）It is fixedly connected.
8. continuous solid solids circulation flux control device according to claim 1 it is characterised in that：Described discharge nozzle
（14）Lower end be connected with lower flange（15）.
9. continuous solid solids circulation flux control device according to claim 1 and 2 it is characterised in that：Described cloth
Material wheel（4）Thickness and diameter than for 1：2～1：5.
10. continuous solid solids circulation flux control device according to claim 4 it is characterised in that：Described tabletting
（8）The on-fixed end contacting with cloth material wheel is to be bent upwards tilting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765334.2U CN205981998U (en) | 2016-07-20 | 2016-07-20 | Continuous type solid particle circulation volume controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765334.2U CN205981998U (en) | 2016-07-20 | 2016-07-20 | Continuous type solid particle circulation volume controlling means |
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| Publication Number | Publication Date |
|---|---|
| CN205981998U true CN205981998U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620765334.2U Active CN205981998U (en) | 2016-07-20 | 2016-07-20 | Continuous type solid particle circulation volume controlling means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423423A (en) * | 2019-09-05 | 2019-11-08 | 湖州科祥新材料有限公司 | A kind of PVC modified stabilizer mechanized production system and its technique |
| CN110545905A (en) * | 2017-04-12 | 2019-12-06 | 埃克森美孚研究工程公司 | Catalyst drum for gravity assisted particle flow |
| CN114106618A (en) * | 2021-12-25 | 2022-03-01 | 曹从杰 | Preparation method of heat-preservation anti-cracking putty powder |
-
2016
- 2016-07-20 CN CN201620765334.2U patent/CN205981998U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545905A (en) * | 2017-04-12 | 2019-12-06 | 埃克森美孚研究工程公司 | Catalyst drum for gravity assisted particle flow |
| CN110545905B (en) * | 2017-04-12 | 2022-03-18 | 埃克森美孚研究工程公司 | Catalyst drum for gravity assisted particle flow |
| CN110423423A (en) * | 2019-09-05 | 2019-11-08 | 湖州科祥新材料有限公司 | A kind of PVC modified stabilizer mechanized production system and its technique |
| CN110423423B (en) * | 2019-09-05 | 2021-11-09 | 湖州科祥新材料有限公司 | Automatic production device and process for PVC modified stabilizer |
| CN114106618A (en) * | 2021-12-25 | 2022-03-01 | 曹从杰 | Preparation method of heat-preservation anti-cracking putty powder |
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