CN208504866U - Fluidized bed and drying system - Google Patents

Fluidized bed and drying system Download PDF

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Publication number
CN208504866U
CN208504866U CN201821073818.6U CN201821073818U CN208504866U CN 208504866 U CN208504866 U CN 208504866U CN 201821073818 U CN201821073818 U CN 201821073818U CN 208504866 U CN208504866 U CN 208504866U
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CN
China
Prior art keywords
shell
fluidized bed
air
feed
dried
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821073818.6U
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Chinese (zh)
Inventor
刘峰
潘明
王江伟
郭红伟
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Five Shandong Fusheng Ecological Engineering Co Ltd
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Five Shandong Fusheng Ecological Engineering Co Ltd
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Priority to CN201821073818.6U priority Critical patent/CN208504866U/en
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Publication of CN208504866U publication Critical patent/CN208504866U/en
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Abstract

The utility model provides a kind of fluidized bed and drying system, is related to drying equipment technical field.The fluidized bed includes shell, and interior of shell forms the bed body for being used for material drying, and shell is equipped with discharge port, the bottom of shell is equipped with air inlet, and air inlet is communicated with air-heater, and the top of shell is equipped with gas outlet, shell is equipped with feed inlet, and feed inlet is communicated with feed bin by feed pipe;The drying system includes above-mentioned fluidized bed.The setting of feed bin and feed pipe in the fluidized bed, when feeding to interior of shell, only material to be dried need to be added in feed bin by operator, material to be dried can enter interior of shell under the sucking action of air-flow inside the housing, complete charging process, to reduce the difficulty of feeding operation, and manual labor amount can be effectively reduced.

Description

Fluidized bed and drying system
Technical field
The utility model relates to drying equipment technical field more particularly to a kind of fluidized beds and drying system.
Background technique
In industry, for the ease of the storage of mushroom, grain and plastic product etc., require to production process or final object Material is dried, to reduce it because containing the occurrence of moisture is apt to deteriorate;Conventional drying mode, which has, manually to dry in the air Solarization and mechanical drying etc..
Fluidized bed, is mainly used for the drying and cooling of granular material, granular material etc., and material to be dried is passed through charging Fluidized bed bed body is added in device, into the material and hot air in fluidized bed, through uniformly, be sufficiently mixed after, make fluidized bed Interior material particles are blown afloat to suspend in fluidized state, removes moisture, drying, and qualified product is arranged by the discharge port of fluidized bed Out, the gas for sponging moisture is then discharged from the gas outlet at the top of fluidized bed.
Generally position is equipped with feed opening to existing fluidized bed at an upper portion thereof, and operator needs to stand to be passed through in higher position Feed opening is to feeding inside fluidized bed, and operation difficulty is big and manual labor amount is big.
Utility model content
The purpose of this utility model is to provide a kind of fluidized bed and drying systems, to solve stream existing in the prior art Changing bed, generally position is equipped with feed opening at an upper portion thereof, and operator needs to stand in higher position through feed opening into fluidized bed Portion's charging, the technical problem that operation difficulty is big and manual labor amount is big.
Fluidized bed provided by the utility model, including shell, interior of shell forms the bed body for being used for material drying, described outer Shell is equipped with discharge port, and the bottom of the shell is equipped with air inlet, and the air inlet is communicated with air-heater, the top of the shell Equipped with gas outlet;The shell is equipped with feed inlet, and the feed inlet is communicated with feed bin by feed pipe.
Further, the feed pipe is equipped with the first valve.
Further, auxiliary material pipe is communicated on the feed pipe, the free end of the auxiliary material pipe is communicated with auxiliary material storehouse, described Auxiliary material pipe is equipped with the second valve.
Further, funnel-form passage, the flared end of the passage and the discharging are communicated on the discharge port Mouth connection.
Further, the gas outlet is communicated with air-introduced machine by escape pipe.
Further, the inside of the shell is equipped with filter, and the filter hood is set on the gas outlet.
Further, airflow plate is equipped in the shell, the airflow plate is equipped with multiple stomatas, and the airflow plate is set to The lower part of the shell, and it is corresponding with the air inlet.
Further, acute angle is formed between the axis of the stomata and airflow plate place plane.
Further, the shell is equipped with transparent observation window.
Another of the utility model is designed to provide a kind of drying system, including above-mentioned fluidized bed, the drying system All technical effects with above-mentioned fluidized bed.
The utility model fluidized bed and drying system have the beneficial effect that
Fluidized bed and drying system provided by the utility model, wherein fluidized bed includes the bed for being used to form material drying The shell of body and for the air-heater to shell delivered inside hot wind, shell is equipped with for entering in shell for material to be dried Feed inlet, for the discharge port, outer for entering for drying gas for the material output shell exterior after being dried Air inlet in shell and the gas outlet for shell to be discharged for the gas after absorption moisture, further include for storing material to be dried Feed bin and feed pipe for conveying the material to be dried;Wherein, drying system include it is above-mentioned for material to be dried into The fluidized bed that row is dried.
When material to be dried needs to be dried, air-heater is opened, air-heater sucks external air in it simultaneously After being heated, hot-air is transported to the lower part of shell, the bottom-up flowing of hot-air by air inlet;By material to be dried Be put into feed bin, the material to be dried in feed bin under the drainage of hot wind in interior of shell differential pressure action and shell through into Expects pipe and feed inlet suck interior of shell, into interior of shell material to be dried in the bottom-up air blast effect of hot-air and Suspended state is under the gravity of itself, material to be dried comes into full contact in loose condition (of surface) with hot-air, material to be dried On moisture absorption heat of vaporization, vapor flows up with hot-air and shell most is discharged through gas outlet afterwards;Dry materials are completed Afterwards, air-heater is closed, the dry material completed falls on the bottom of interior of shell under the effect of gravity, and subsequent operator is through discharging Mouth takes out the dry material completed, to complete the drying to material.
The setting of feed bin and feed pipe, when feeding to interior of shell, need to only feed bin be added in material to be dried by operator Interior, material to be dried can be blown into interior of shell under the sucking action of air-flow inside the housing, charging process be completed, without operation Personnel directly feed to enclosure interior, to reduce the difficulty of feeding operation, and can effectively reduce manual labor amount.
Specifically, feed bin can feed convenient for operator into feed bin so that on ground or workbench.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first structure diagram of fluidized bed provided by the embodiment of the utility model;
Fig. 2 is the second structural schematic diagram of fluidized bed provided by the embodiment of the utility model;
Fig. 3 is the overlooking structure diagram of fluidized bed provided by the embodiment of the utility model.
Icon: 1- shell;11- discharge port;12- air inlet;The gas outlet 13-;14- feed inlet;2- air-heater; 3- feed pipe;The first valve of 31-;4- feed bin;5- escape pipe;6- air-introduced machine.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
The present embodiment provides a kind of fluidized beds, as depicted in figs. 1 and 2, including shell 1, are formed inside shell 1 for drying The bed body of material, shell 1 are equipped with discharge port 11, and the bottom of shell 1 is equipped with air inlet 12, and air inlet 12 is communicated with air-heater 2, The top of shell 1 is equipped with gas outlet 13;Shell 1 is equipped with feed inlet 14, and feed inlet 14 is communicated with feed bin 4 by feed pipe 3.
The present embodiment also provides a kind of drying system, including above-mentioned fluidized bed.
Fluidized bed and drying system provided in this embodiment, wherein fluidized bed includes the bed body for being used to form material drying Shell 1 and for the air-heater 2 to 1 delivered inside hot wind of shell, shell 1 is equipped with for entering shell for material to be dried Feed inlet 14 in 1, for for outside the material output shell 1 after being dried discharge port 11, for for drying gas Body enters the air inlet 12 in shell 1 and for the gas outlet 13 for the gas discharge shell 1 after absorption moisture, further includes being used for Store the feed bin 4 of material to be dried and the feed pipe 3 for conveying the material to be dried;Wherein, drying system includes above-mentioned use In to the withering fluidized bed of material to be dried.
When material to be dried needs to be dried, air-heater 2 is opened, air-heater 2 sucks external air in it And after being heated, hot-air is transported to the lower part of shell 1, the bottom-up flowing of hot-air by air inlet 12;It will be to dry Dry material is put into feed bin 4, and the material to be dried in feed bin 4 is in the drainage with hot wind in the effect of 1 internal differential pressure of shell and shell 1 It is sucked inside shell 1 under effect through feed pipe 3 and feed inlet 14, into material to be dried shell 1 inside in hot-air under oneself It is in suspended state under upward air blast effect and the gravity of itself, material to be dried is abundant in loose condition (of surface) and hot-air It contacts, the moisture absorption heat of vaporization on material to be dried, vapor is flowed up with hot-air and is most discharged afterwards through gas outlet 13 Shell 1;After the completion of dry materials, air-heater 2 is closed, the dry material completed falls on the bottom inside shell 1 under the effect of gravity Portion, subsequent operator takes out the dry material completed through discharge port 11, to complete the drying to material.
The setting of feed bin 4 and feed pipe 3, to shell 1 inside when feeding, only material to be dried, which need to be added, by operator expects In storehouse 4, material to be dried can be blown into inside shell 1 under the sucking action of 1 internal gas flow of shell, complete charging process, nothing It needs operator to direct out to feed inside shell 1, to reduce the difficulty of feeding operation, and hand labor can be effectively reduced Amount.
Specifically, feed bin 4 can feed convenient for operator into feed bin 4 so that on ground or workbench;Discharge port 11 On can be hinged with bin gate, and lock body is installed on bin gate, lock is installed on shell 1, can be by bin gate when being not necessarily to feeding Block on discharge port 11, and by lock body and lock lock, bin gate is locked on discharge port 11, with reduce inside shell 1 into In row drying process, the occurrence of material spills from discharge port 11.
In the present embodiment, as shown in Fig. 2, the first valve 31 can be equipped on feed pipe 3.It needs to be dried When, the first valve 31 is opened, material to be dried is transported to inside shell 1 under the sucking action of 1 internal gas flow of shell, has fed Cheng Hou can close the first valve 31, and with material to be dried is dried inside rear casing 1, the first valve 31 is closed By the inside and outside isolation of shell 1, on the one hand, can control the carry out state of charging;On the other hand, it can also effectively reduce In drying process, material inside shell 1 under airflow function through feed inlet 14 and feed pipe 3 recharge to shell 1 outside, cause The occurrence of material waste.
Specifically, once can only add the material to be dried of fluidized bed single drying process amount in feed bin 4, then is opened One valve 31, whole materials to be dried in feed bin 4 enter 1 inside of shell;It can also be added in feed bin 4 and be greater than fluidisation The material to be dried of sheet time drying process amount controls feed state by the first valve 31.
In the present embodiment, auxiliary material pipe can also be communicated on feed pipe 3, the free end of auxiliary material pipe is communicated with auxiliary material storehouse, Auxiliary material pipe is equipped with the second valve.Under normal operating conditions, the second valve is in close state (the second valve and the company of feed pipe 3 It is logical, and position of the connectivity part between the first valve 31 and feed inlet 14), when feed bin 4 break down can not normal use when, The first valve 31 can be closed, the second valve is opened, material to be dried, the material to be dried in auxiliary material storehouse is added into auxiliary material storehouse Entered inside shell 1 by auxiliary material pipe, feed pipe 3 and feed inlet 14, close auxiliary blower and the second valve after the completion of charging, Drying process can be normally carried out inside shell 1.Auxiliary material storehouse, auxiliary material pipe and the second valve play auxiliary as another set of feeding device Help effect, so that it is guaranteed that when feed bin 4 breaks down fluidized bed continuous drying progress;In addition, when the auxiliary device works, behaviour It can use and this period feed bin 4 etc. repaired as personnel.
In the present embodiment, funnel-form passage, the flared end and discharge port of passage can be communicated on discharge port 11 11 connections.When needing to discharge, the dry material completed can be placed in passage by operator through discharge port 11, and passage will Material guiding is transported in purpose container, to improve the convenience of discharging, operator's is artificial when further decreasing discharging The amount of labour;Passage is funnel-shaped, on the one hand, the charging area for capableing of its flared end is larger, is convenient for operating staff to passage Interior charging;On the other hand, the discharge port 11 of passage is smaller, convenient for the collection of material.
In the present embodiment, as shown in figures 1 and 3, gas outlet 13 can be communicated with air-introduced machine 6 by escape pipe 5.Air-heater 2 by hot-air through the bottom-up input shell 1 of air inlet 12 inside, moisture in material to be dried absorbs heat evaporation, the water of formation Steam flows up together with hot-air, and when reaching the upper position inside shell 1, air-introduced machine 6 generates suction and contains the part Water air is discharged outside shell 1 through escape pipe 5.The setting of air-introduced machine 6 can drive in shell 1 outside air contained water discharge shell 1 It reduces the discharge 1 outside blocking of shell of 1 internal gas of shell convenient for the flowing of 1 internal gas flow of shell and causes inside shell 1 in portion The occurrence of excessive influence drying process of air pressure is normally carried out.
In the present embodiment, it can be equipped with filter in the inside of shell 1, filter hood is set on gas outlet 13.In shell 1 Moisture in the material to be dried in portion, which absorbs heat, to be evaporated, and vapor flows up together with hot-air, and the material after drying is then in weight Power effect is lower to fall on the bottom inside shell 1, material particles is mingled in the air-flow of rising, air-flow, which rises, to be reached at filter When, gas continues up flowing by filter and reaches the discharge of gas outlet 13;The material being mingled in air-flow is then filtered by filter For barrier outside it, material falls on down the bottom of shell 1 under the effect of gravity, final to be gone out two mouthfuls of discharges.The setting of filter Gas solid separation can be carried out to the air-flow risen inside shell 1, the feed separation in air-flow is come out, reduced material and arranged with air-flow Polluted caused by the external world out, and caused by material waste.
Specifically, can be equipped with airflow plate in shell 1 in the present embodiment, airflow plate is equipped with multiple stomatas, airflow plate Set on the lower part of shell 1, and it is corresponding with air inlet 12.Airflow plate carries out flow perturbation to the hot-air entered inside shell 1, Hot-air is moved upwards through the stomata on airflow plate, and process of the hot-air through air passing hole flows out gas under the flow-disturbing effect of stomata Vortex is generated when hole above airflow plate, material to be dried can more fully be contacted with hot-air under eddy current effect and be gone forward side by side Row heat exchange improves drying process of the fluidized bed to material to improve hot-air to the drying efficiency and drying effect of material Effect correspondinglys increase the quality for obtaining material, reduces material storage process due to the occurrence of being easy mildew containing moisture.
In the present embodiment, acute angle is formed between plane where the axis and airflow plate of stomata.Stomata on airflow plate Angle where axis and airflow plate between plane is at an acute angle, then when airflow plate is horizontally arranged at 1 inside of shell, hot-air pass through into Port 12 flows straight up, and when by stomata on airflow plate, the flow direction of hot-air changes, and hot-air is after air passing hole in gas Vortex is generated at flowing plate upper surface, to improve the adequacy that hot-air is contacted with feeding to be dried, improves the drying of fluidized bed Performance.
Specifically, stomata is multiple, and multiple stomata dispersed distributions are on airflow plate, and the axis of multiple stomatas is incomplete Unanimously.
In the present embodiment, transparent observation window can be equipped on shell 1.Transparent observation window is arranged outside as window On shell 1, on the basis of not influencing the leakproofness of shell 1, in drying process, operator, which may stand in outside shell 1, to be passed through Observation window observes the dry state of 1 materials inside of shell, blocks or fluidized state is unqualified when material generates inside shell 1 When, can the ventilatory capacity etc. in time to air-heater 2 be adjusted, to improve the practicability of fluidized bed.
In the present embodiment, drying system may include PLC controller, be equipped with temperature sensor and gas velocity inside shell 1 Detector is spent, temperature sensor and air velocity detector are electrically connected with PLC controller;Air-heater 2 is electrically connected with PLC controller Connect, the first valve 31 and the second valve all can be solenoid valve, two solenoid valves are also electrically connected with PLC controller, operator Member can be set in PLC controller each motor component working time and mutual electrical connection, to realize PLC Controller is to the intelligent control of a motor component, specifically, operating process may include following process:
When needing to be dried, the control switch of air-heater 2 is opened, air-heater 2 is started to work defeated to 1 inside of shell Hot-air is sent, (specifically, can be 2min) after the operation a period of time of air-heater 2, the control switch of air-heater 2 will preheat telecommunications Number pass to PLC controller, PLC controller receives the electric signal, and the first valve 31 is opened in corresponding control, in feed bin 4 to Dried material enters inside shell 1, the material to be dried conveying after a period of time (specifically, can be 5min), in feed bin 4 Amount inside to shell 1 reaches the treating capacity of fluidized bed, and PLC controller closes the first valve 31;In drying process, temperature sensing Device carries out real-time monitoring to the temperature of 1 internal gas flow of shell, and the temperature signal monitored is passed to PLC controller, meanwhile, Air velocity detector is monitored 1 internal gas flow flowing velocity of shell, and the speed signal monitored is passed to PLC control Device processed, PLC controller adjust the gas pushing quantity of air-heater 2 and temperature of supplying gas according to obtained temperature signal and speed signal Section, while can be adjusted the absorbing quantity of air-introduced machine 6, can by shell 1 inside temperature and flow velocity adjusting in preferable shape State improves fluidized bed to the drying efficiency of material to be dried;After air-heater 2 runs a period of time, heat is closed in PLC controller control Blower 2, operator is to the material feeding inside shell 1.
The setting of PLC controller can be adjusted in real time according to the temperature and flow velocity of 1 inner air of shell, outer to ensure Dry environment inside shell 1 is in preferable environment, improves the drying property of fluidized bed;And PLC controller is quick on the draw, adjusts energy Power is strong, on the basis of realizing effectively adjusting, greatly reduces manual labor amount.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features It is equivalently replaced;And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution The range of technical solution.

Claims (10)

1. a kind of fluidized bed, which is characterized in that including shell (1), form the bed body for being used for material drying, institute inside shell (1) Shell (1) is stated equipped with discharge port (11), the bottom of the shell (1) is equipped with air inlet (12), air inlet (12) connection Have air-heater (2), the top of the shell (1) is equipped with gas outlet (13);The shell (1) is equipped with feed inlet (14), described Feed inlet (14) is communicated with feed bin (4) by feed pipe (3).
2. fluidized bed according to claim 1, which is characterized in that the feed pipe (3) is equipped with the first valve (31).
3. fluidized bed according to claim 2, which is characterized in that it is communicated with auxiliary material pipe on the feed pipe (3), it is described auxiliary The free end of expects pipe is communicated with auxiliary material storehouse, and the auxiliary material pipe is equipped with the second valve.
4. fluidized bed according to any one of claim 1-3, which is characterized in that be communicated on the discharge port (11) Funnel-form passage, the flared end of the passage are connect with the discharge port (11).
5. fluidized bed according to any one of claim 1-3, which is characterized in that the gas outlet (13) passes through outlet Pipe (5) is communicated with air-introduced machine (6).
6. fluidized bed according to any one of claim 1-3, which is characterized in that the inside of the shell (1) was equipped with Filter, the filter hood are set on the gas outlet (13).
7. fluidized bed according to any one of claim 1-3, which is characterized in that be equipped with air-flow in the shell (1) Plate, the airflow plate be equipped with multiple stomatas, the airflow plate be set to the shell (1) lower part, and with the air inlet (12) corresponding.
8. fluidized bed according to claim 7, which is characterized in that plane where the axis of the stomata and the airflow plate Between form acute angle.
9. fluidized bed according to any one of claim 1-3, which is characterized in that the shell (1) is equipped with transparent Observation window.
10. a kind of drying system, which is characterized in that including fluidized bed of any of claims 1-9.
CN201821073818.6U 2018-07-06 2018-07-06 Fluidized bed and drying system Expired - Fee Related CN208504866U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821073818.6U CN208504866U (en) 2018-07-06 2018-07-06 Fluidized bed and drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821073818.6U CN208504866U (en) 2018-07-06 2018-07-06 Fluidized bed and drying system

Publications (1)

Publication Number Publication Date
CN208504866U true CN208504866U (en) 2019-02-15

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Application Number Title Priority Date Filing Date
CN201821073818.6U Expired - Fee Related CN208504866U (en) 2018-07-06 2018-07-06 Fluidized bed and drying system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119687667A (en) * 2025-02-24 2025-03-25 云南省能源研究院有限公司 Pulverized coal drying system and method for thermal power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119687667A (en) * 2025-02-24 2025-03-25 云南省能源研究院有限公司 Pulverized coal drying system and method for thermal power plant

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