阅读说明：本技术 一种隔板式内循环流化床颗粒混合装置 (A kind of partition board type internal circulation fluidized bed particle mixing arrangement ) 是由 安希忠 韦光超 张�浩 于传伟 熊勃 于 2019-09-29 设计创作，主要内容包括：本发明涉及一种隔板式内循环流化床颗粒混合装置,其包括第一低压空压机和第二低压空压机、高压空压机、内循环流化床、竖直隔板、螺旋给料器、高速摄像机和颗粒计数器；其中,螺旋给料器、高速摄像机分别设于内循环流化床的左、右侧,内循环流化床的一侧面为第一进气布风板,其内部设有一竖直隔板,隔开的底部对应为第二进气布风板和第三进气布风板,第一低压空压机和第二低压空压机、高压空压机分别对应连通第一进气布风板、第二进气布风板和第三进气布风板,竖直隔板与底部布风板之间的方形通孔处布置有颗粒计数器。本发明装置实现多元颗粒的高效均匀混合,有效消除床内轴向混合效率大于横向混合效率的缺陷；其结构简单易于维护,工作效果显著。(The present invention relates to a kind of partition board type internal circulation fluidized bed particle mixing arrangements comprising the first low pressure air compressor and the second low pressure air compressor, High Pressure Air Compressor, internal circulating fluidized bed, vertical clapboard, screw feeder, high-speed camera and particle collector；Wherein, screw feeder, high-speed camera are respectively arranged on the left and right side of internal circulating fluidized bed, the one side of internal circulating fluidized bed is the first air inlet air distribution plate, it is internally provided with a vertical clapboard, the bottom separated corresponds to the second air inlet air distribution plate and third air inlet air distribution plate, first low pressure air compressor and the second low pressure air compressor, High Pressure Air Compressor respectively correspond the first air inlet air distribution plate of connection, the second air inlet air distribution plate and third air inlet air distribution plate, are disposed with particle collector at the square through hole between vertical clapboard and bottom air distribution plate.Apparatus of the present invention realize the efficient uniform mixing of multicompentnt granular, effectively eliminate the defect that axial mixing efficiency in bed is greater than empir-ical formulation efficiency；Its structure is simply easy to maintain, and working effect is significant.)

1. a kind of partition board type internal circulation fluidized bed particle mixing arrangement, which is characterized in that it includes the first low pressure air compressor and Two low pressure air compressors, High Pressure Air Compressor, internal circulating fluidized bed, vertical clapboard, screw feeder, high-speed camera and grain count Device；Wherein, the screw feeder is set to the left side of internal circulating fluidized bed, and high-speed camera is set to the right side of internal circulating fluidized bed Side；The one side of internal circulating fluidized bed is the inclined-plane equipped with multiple through-holes as the first air inlet air distribution plate, in internal circulating fluidized bed Portion is equipped with a vertical clapboard, and the close contact surface with internal circulating fluidized bed bottom is equipped with square through hole on vertical clapboard, separates Bottom correspond to the second air inlet air distribution plate and third air inlet air distribution plate, air inlet air distribution plate is equipped with multiple through-holes, and the first low pressure is empty Press and the second low pressure air compressor, High Pressure Air Compressor respectively correspond the first air inlet air distribution plate of connection, the second air inlet air distribution plate and the Three air inlet air distribution plates, connection are connected to by pipeline, are disposed at the square through hole between the vertical clapboard and bottom air distribution plate Particle collector.

2. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that in the iris type Recirculating fluidized bed particle mixing arrangement further includes light source, pressure gauge, multichannel pressure difference signal transmitter and A/D converter, described Light source is set to the two sides of the bed body of the internal circulating fluidized bed, is equipped with survey pressure in the upper, middle and lower position of the vertical clapboard Hole, pressure signal probe, pressure signal probe connection pressure gauge are equipped in pressure tap, and pressure gauge connects the multichannel pressure difference Signal projector, the channel pressure difference signal transmitter connect the A/D converter, and A/D converter connects desktop computer or notes This computer.

3. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that in the iris type Recirculating fluidized bed particle mixing arrangement further includes the first vacuum tank, the second vacuum tank, third vacuum tank, and first vacuum tank is set Between the first low pressure air compressor and the first air inlet air distribution plate, second vacuum tank be set to the second low pressure air compressor and second into Between gas air distribution plate, the third vacuum tank is set between High Pressure Air Compressor and third air inlet air distribution plate.

4. partition board type internal circulation fluidized bed particle mixing arrangement as claimed in claim 3, which is characterized in that steady described first The both ends of tank, the second vacuum tank, third vacuum tank are pressed to be respectively equipped with rotary ball valve, first vacuum tank and the first air inlet cloth It is equipped with spinner flowmeter between aerofoil, spinner flowmeter is equipped between second vacuum tank and the second air inlet air distribution plate, it is described Spinner flowmeter is equipped between third vacuum tank and third air inlet air distribution plate.

5. partition board type internal circulation fluidized bed particle mixing arrangement as claimed in claim 3, which is characterized in that first pressure stabilizing Tank, the second vacuum tank, third vacuum tank can to providing continual and steady gas pressure inside the bed body of internal circulating fluidized bed, Its volume is 1m³。

6. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that the vertical clapboard Square through hole adjustable section, realized by adjusting the clamping height of bottom of vertical clapboard and internal circulating fluidized bed.

7. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that the vertical clapboard For the production of 3mm thickness organic glass, the vertical clapboard is equipped with the partition of multiple and different height, and front and rear width is equal to bed body inner wall Width.

8. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that the inner recirculation flow Change the ontology of bed as the production of 8mm thickness organic glass, and meets certain resistance to compression impact strength.

9. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that first air inlet Air distribution plate, the second air inlet air distribution plate and third air inlet air distribution plate are the production of 8mm thickness organic glass, and through-hole thereon is intensive isometrical Aperture.

10. partition board type internal circulation fluidized bed particle mixing arrangement as described in claim 1, which is characterized in that described first into Gas air distribution plate, the second air inlet air distribution plate, third air inlet air distribution plate are the double-deck setting, and the pore size between two layers of hole is adjustable.

Technical field

The present invention relates to a kind of partition board type internal circulation fluidized bed particle mixing arrangements, belong to Physical Experiment equipment and technology neck Domain.

Background technique

Particle mixing is widely applied in the industries such as the energy, chemical industry, metallurgy, building all the time.It realizes efficient Uniform multicompentnt granular mixed system has important meaning for the mechanism study of Flow Field Distribution, particle packing and heat and mass Justice.Currently, multicompentnt granular mixed mechanism haves the defects that axial backmixing efficiency is greater than empir-ical formulation efficiency in a fluidized bed, one Determine the mixing efficiency for having delayed multicompentnt granular in three-dimensional space in bed in degree, especially in the lower space of gas flow rate often There are particles to be in quasi-static " dead zone ", makes multicompentnt granular in its regional area that can not realize mixed uniformly shape well State.

Summary of the invention

(1) technical problems to be solved

In order to solve the above problem of the prior art, the present invention provides a kind of partition board type internal circulation fluidized bed particle mixing dress It sets, which can effectively eliminate axial mixing efficiency in bed and be greater than for realizing the multicompentnt granular mixed system of efficient uniform The defect of empir-ical formulation efficiency, while the formation in part " dead zone " can be further avoided.

(2) technical solution

In order to achieve the above object, the main technical schemes that the present invention uses include:

A kind of partition board type internal circulation fluidized bed particle mixing arrangement mixes for realizing the efficient uniform of particle comprising First low pressure air compressor and the second low pressure air compressor, High Pressure Air Compressor, internal circulating fluidized bed, vertical clapboard, screw feeder, height Fast video camera and particle collector；Wherein, the screw feeder is set to the left side of internal circulating fluidized bed, and high-speed camera is set to The right side of internal circulating fluidized bed；The one side of internal circulating fluidized bed is the inclined-plane equipped with multiple through-holes as the first air inlet cloth wind Plate, internal circulating fluidized bed inside are equipped with a vertical clapboard, the close contact surface with internal circulating fluidized bed bottom on vertical clapboard Equipped with square through hole, the bottom separated corresponds to the second air inlet air distribution plate and third air inlet air distribution plate, and air inlet air distribution plate is equipped with more A through-hole, the first low pressure air compressor and the second low pressure air compressor, High Pressure Air Compressor respectively correspond the first air inlet air distribution plate of connection, the Two air inlet air distribution plates and third air inlet air distribution plate, connection are connected to the side between the vertical clapboard and bottom air distribution plate by pipeline Shape through hole is disposed with particle collector, to track and record number of the particle by through-hole.

In a preferred embodiment, partition board type internal circulation fluidized bed particle mixing arrangement further includes light source, pressure Table, multichannel pressure difference signal transmitter and A/D converter, the light source are set to the two sides of the bed body of the internal circulating fluidized bed, It is equipped with pressure tap in the upper, middle and lower position of the vertical clapboard, pressure signal probe, pressure signal are equipped in pressure tap Probe connection pressure gauge, pressure gauge connect the multichannel pressure difference signal transmitter, the channel pressure difference signal transmitter connection The A/D converter, A/D converter connect desktop computer or laptop.

In a preferred embodiment, the partition board type internal circulation fluidized bed particle mixing arrangement further includes first steady Press tank, the second vacuum tank, third vacuum tank, first vacuum tank be set to the first low pressure air compressor and the first air inlet air distribution plate it Between, second vacuum tank is set between the second low pressure air compressor and the second air inlet air distribution plate, and the third vacuum tank is set to height It presses between air compressor machine and third air inlet air distribution plate.

In a preferred embodiment, equal at first vacuum tank, the second vacuum tank, the both ends of third vacuum tank It is respectively equipped with rotary ball valve, spinner flowmeter is equipped between first vacuum tank and the first air inlet air distribution plate, described second is steady It presses and is equipped with spinner flowmeter between tank and the second air inlet air distribution plate, be equipped between the third vacuum tank and third air inlet air distribution plate Spinner flowmeter.

In a preferred embodiment, first vacuum tank, the second vacuum tank, third vacuum tank can be inside Continual and steady gas pressure, volume 1m are provided inside the bed body of recirculating fluidized bed³。

In a preferred embodiment, the adjustable section of the square through hole of the vertical clapboard, it is perpendicular by adjusting The clamping height of the bottom of straight baffle and internal circulating fluidized bed is realized.By changing the size of bottom square through hole, to control The flow that particle passes through through-hole.

In a preferred embodiment, the vertical clapboard is the production of 3mm thickness organic glass, according to actual needs, The partition for being made into different oneself heights is multiple, and front and rear width is equal to bed body inner wall width.

In a preferred embodiment, the ontology of the internal circulating fluidized bed is the production of 8mm thickness organic glass, organic Glass satisfaction >=10MP resistance to compression impact strength.

In a preferred embodiment, the first air inlet air distribution plate, the second air inlet air distribution plate and third air inlet cloth Aerofoil is the production of 8mm thickness organic glass, and through-hole thereon is intensive isometrical aperture.

Air inlet air distribution plate upper wind plate is equipped with multiple intensive isometrical apertures and enters inside bed body for gas uniform divided flows To advertise particle movement.

In a preferred embodiment, the first air inlet air distribution plate, the second air inlet air distribution plate, third air inlet cloth wind Plate is the double-deck setting, and the pore size between two layers of hole is adjustable.

By adjusting the double-deck stacked position, it can be achieved that through-hole is eated dishes without rice or wine, aperture is adjustable, effectively to avoid an endoparticle from entering To gas chamber.

(3) beneficial effect

The beneficial effects of the present invention are:

A kind of partition board type internal circulation fluidized bed particle mixing arrangement provided by the invention, for realizing the efficient uniform of particle Mixing, can more easily realize the interior shuttling movement mechanism of an endoparticle, and it is big can to effectively eliminate axial mixing efficiency in bed In the defect of empir-ical formulation efficiency, while the formation in part " dead zone " can be further avoided.The device is with strong applicability, can be with It is widely used in the mixed process of a variety of particles, including the mix behavior between (non-) spherical single size and multicompentnt granular, is Realize that circulative metabolism and mix uniformly effect provide effectively in the bed of multicompentnt granular under comprehensive study various inlet velocity conditions Method, the influence to further research pellet blender system to heat and mass provide effective way early period.

The present invention provides a kind of partition board type internal circulation fluidized bed particle mixing arrangement, can be in laboratory scale and industry rule Mould application can effectively eliminate axial mixing efficiency in bed and be greater than empir-ical formulation to realize the efficient uniform mixing of multicompentnt granular The defect of efficiency.The apparatus structure is simply easy to maintain, and working effect is significant.

Detailed description of the invention

Fig. 1 is the integrated artistic flow diagram of a preferred embodiment；

Fig. 2 is internal circulating fluidized bed structural schematic diagram；

Fig. 3 is adjustable air distribution plate schematic diagram.

[description of symbols]

1: the first low pressure air compressor；

2: the second low pressure air compressors；

3: High Pressure Air Compressor；

4: internal circulating fluidized bed；

5: pressure tap；

6: pressure gauge；

7: multichannel pressure difference signal transmitter；

8:A/D converter；

9: computer；

10: light source；

11: screw feeder；

12: high-speed camera；

13: particle collector；

14: vertical clapboard；

B1: the first air distribution plate；

B2: the second air distribution plate；

B3: third air distribution plate；

L1-L6: rotary ball valve；

W1-W3: vacuum tank；

Z1-Z3: spinner flowmeter.

Specific embodiment

It is greater than the defect of empir-ical formulation efficiency to effectively eliminate axial mixing efficiency in bed, while avoids part " dead zone " Formation, the present invention realizes above-mentioned mesh in such a way that trapezoidal fluidized bed is divided into left and right two chambers by built-in vertical clapboard 's.It is high velocity fluidization area on the right side of partition, the fast fluidization of particle is realized by introducing high-speed gas, particle can be at the top of partition Low speed on the left of into partition is bubbled or turnover zone, and low regime realizes the low-speed motion of particle by introducing low speed air inlet, Grain can enter high velocity fluidization area from partition bottom square through hole, and then realize the inside circulative metabolism of bed endoparticle.It can be into one Step avoids the formation in part " dead zone ".The apparatus structure is simply easy to maintain, and working effect is significant.

In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair It is bright to be described in detail.