CN106403535A - Air injection device of rotary dryer wall and process - Google Patents

Air injection device of rotary dryer wall and process Download PDF

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Publication number
CN106403535A
CN106403535A CN201610966518.XA CN201610966518A CN106403535A CN 106403535 A CN106403535 A CN 106403535A CN 201610966518 A CN201610966518 A CN 201610966518A CN 106403535 A CN106403535 A CN 106403535A
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CN
China
Prior art keywords
drying machine
rotary drying
nozzle
air
jet
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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.)
Granted
Application number
CN201610966518.XA
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Chinese (zh)
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CN106403535B (en
Inventor
寿庆亮
王海波
王洪涛
赵宝海
杨耕桃
白城
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Acre Coking and Refractory Engineering Consulting Corp MCC
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Priority to CN201610966518.XA priority Critical patent/CN106403535B/en
Publication of CN106403535A publication Critical patent/CN106403535A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28CHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00Other direct-contact heat-exchange apparatus
    • F28C3/10Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
    • F28C3/12Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
    • F28C3/18Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material being contained in rotating drums

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses an air injection device of a rotary dryer wall and a process. The device comprises a sprayer prefabricated block fixed to the inner wall of a rotary dryer and an air supply system arranged outside the rotary dryer; and the air supply system outside the rotary dryer is communicated with a sprayer of the sprayer prefabricated block in the rotary dryer. According to the air injection device of the rotary dryer wall, by means of the effect of the high-speed airflow injected out of the sprayer embedded in the prefabricated block, the movement morphology and the stacking morphology of powder materials in the dryer are changed, the powder materials are made to be partially suspended and make full contact with hot air in the dryer, the heat exchange uniformity between the materials and gaseous heat media and the heat exchange efficiency are effectively improved, and the fast drying purpose is achieved; and meanwhile, the powder material segregation phenomenon in the drying process is relieved, and the drying quality of the powder materials is improved. The device is small in investment, stable in work, low in running cost, easy to maintain, capable of creating considerable economic benefits and wide in application prospect.

Description

A kind of air jet system of rotary drying machine wall and technique
Technical field
The present invention relates to the drying of rotary drying machine powder material, particularly to a kind of air injection of rotary drying machine wall Device and technique.
Background technology
Rotary drying machine is widely used in the process equipment of dry materials process, has the structure of uniqueness and superior technology Performance.There is heat exchange in solid material and gaseous state thermal medium in rotary drying machine, realizes to dry materials.Dry in revolution Inside machine, due to the rotation of body, material particles produce motion in the presence of frictional force, gravity and centrifugal force etc., motion Form has the rolling of transverse section and the axially-movable being formed due to the gradient of dehydrator.Because material water capacity is big, the bed of material is in Existing closest packing state;Additionally, due to the inhomogeneities of material particular diameter, motor process can produce material segregation, above-mentioned reason Cause the difference of particles by heat effect, the dries quantity of impact material.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of air jet system of rotary drying machine wall and work Skill, by the fortune of powder body wet stock in the effect being embedded in the high velocity air eject in the nozzle on prefabricated section, change machine Dynamic form and stacking states.By said apparatus, powder material partial suspended being fully contacted with hot-air in machine can be made to reach To flash baking purpose, significantly improve the rate of heat exchange of powder material and gaseous state thermal medium, alleviate dry run powder simultaneously Body material segregation phenomena, improves the dry mass of powder material.
In order to achieve the above object, the present invention employs the following technical solutions realization:
A kind of air jet system of rotary drying machine wall, including the nozzle prefabricated section being fixed on rotary drying machine inwall And be arranged on air supply system rotary drying machine outside, air supply system rotary drying machine outside with turn round drying The nozzle of machine inner nozzle prefabricated section is connected.
Described nozzle prefabricated section includes channel steel base, prefabricated section, nozzle plug, and it is solid with prefabricated section that channel steel base passes through anchoring piece Fixed connection, channel steel base is fixed on rotary drying machine inwall, and the space that channel steel base is formed with rotary drying machine inwall is constituted Gas channel is connected with the air supply system outside rotary drying machine, is provided with nozzle and rotary drying machine in channel steel base Inner space, is placed with nozzle plug in nozzle interior, and nozzle plug moves in nozzle interior under gravity, automatically controls spray Mouth outlet closing with open.
Air supply system outside described rotary drying machine includes blower fan, air line, and assembling is dried in revolution On machine outer wall, air line is looped around the outside of rotary drying machine, is connected with blower fan, and connects revolution drying by lateral Gas channel within machine.
A kind of stoving process of the air jet system of rotary drying machine wall, specifically includes:Revolved in rotary drying machine Turn during drying, divulged information by blower fan, the air line gas channel internal to rotary drying machine, when nozzle prefabricated section with Body rotates to bottom, and nozzle plug whereabouts jet expansion is opened, from nozzle spray high velocity jet air-flow in rotary drying machine Material produce jet-action;Jet-stream wind high speed impact bank lamination, in change machine the motion morphology of powder body wet stock and Stacking states, make powder material partial suspended, are fully contacted with hot-air in machine, improve the heat of powder material and gaseous state thermal medium Exchange rate;
When nozzle prefabricated section rotates to top with body, nozzle plug falls to closing jet expansion, it is to avoid high velocity jet gas Stream sprays into from the top of rotary drying machine and forms interference air-flow in machine.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of air jet system of rotary drying machine wall and technique, by from being embedded in the nozzle on prefabricated section injection The effect of the high velocity air going out, the motion morphology of powder body wet stock and stacking states in change machine, make powder material partial suspended And be fully contacted with hot-air in machine, effectively improve uniformity and the heat exchange efficiency of material and gaseous state thermal medium heat exchange, reach fast Speed dries purpose, alleviates dry run powder material segregation phenomena simultaneously, improves the dry mass of powder material.
This plant investment is little, working stability, operating cost are low, maintenance is simple, can create considerable economic benefit, have Wide application prospect.
Brief description
Fig. 1 is a kind of overall structure diagram of the air jet system of present invention rotary drying machine wall;
Fig. 2 is that (A-A of Fig. 1 is to regarding for a kind of sectional schematic diagram of the air jet system of present invention rotary drying machine wall Figure);
Fig. 3 is the structural representation of nozzle prefabricated section in the present invention.
Fig. 4 is the connection diagram (side view of Fig. 3) between the nozzle prefabricated section axially arranging in rotary drying machine.
In figure:1- nozzle prefabricated section, pouring belt in the middle of 2-, 3- material, 4- air line, 5- blower fan, 6- rotary drying machine, 7- suspended state material, 8- jet-stream wind, 9- nozzle, 10- nozzle plug, 11- channel steel base, 12- gas channel, 13- anchoring piece, 14- prefabricated section, 15- socket joint channel-section steel.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further:
As Figure 1-Figure 4, a kind of air jet system of rotary drying machine wall, including being fixed in rotary drying machine 6 Nozzle prefabricated section 1 on wall and be arranged on air supply system outside rotary drying machine 6, the sky outside rotary drying machine 6 Gas supply system is connected with the nozzle 9 of rotary drying machine 6 inner nozzle prefabricated section 1.
As shown in figure 3, described nozzle prefabricated section 1 includes channel steel base 11, prefabricated section 14, nozzle plug 10, channel steel base 11 It is fixedly connected with prefabricated section 14 by anchoring piece 13, channel steel base 11 is weldingly fixed on rotary drying machine 6 inwall, channel steel base 11 spaces being formed with rotary drying machine 6 inwall constitute gas channel 12 and the air supply system phase outside rotary drying machine 6 Connection, is provided with nozzle 9 and rotary drying machine 6 inner space in channel steel base 11, is placed with nozzle plug 10 inside nozzle 9, Nozzle plug 10 be movable part, move inside nozzle 9 under gravity, automatically control nozzle 9 outlet closing with open.
See Fig. 3, nozzle 9 is welded on the side of channel steel base 11, passage is had on channel steel base 11 with nozzle 9 even Logical, the end of nozzle plug 10 is provided with a bosselation, when nozzle prefabricated section 1 rotates to lower end with rotary drying machine 6, nozzle plug 10 fall on the circular arc of channel steel base 11 under gravity just, and jet hole is exposed.When nozzle prefabricated section 1 dries with revolution When dry machine 6 rotates to upper end, nozzle plug 10 falls in nozzle slot mouth under gravity again, and nozzle 9 is closed.
Air supply system outside described rotary drying machine 6 includes blower fan 5, air line 4, and blower fan 5 is arranged on revolution On dehydrator 6 outer wall, air line 4 is looped around the outside of rotary drying machine 6, is connected with blower fan 5, and is connected by lateral Gas channel 12 within rotary drying machine 6.
See Fig. 2, on the inwall of rotary drying machine 6, circumferencial direction has been uniformly arranged multiple rows of nozzle prefabricated section, Mei Yipai Nozzle prefabricated section is to connect arrangement by multiple nozzle prefabricated sections 1 to form (arranging in rotary drying machine axial direction).Dry with revolution Gas channel 12 in the nozzle prefabricated section 1 on same periphery for the air line 4 outside machine 6 passes through lateral and outside Air line 4 connect, the nozzle prefabricated section 1 axially connecting arrangement passes through socket joint channel-section steel 15 by two adjacent channel steel base 11 Docking, thus the gas channel 12 in each nozzle prefabricated section 1 is interconnected (see Fig. 4), forms the gas channel of continuous sealing.
Nozzle prefabricated section 1 by channel steel base 11 is welded and fixed with rotary drying machine 1 inwall, nozzle prefabricated section 1 it Between cast in the middle of pouring belt 2.
A kind of stoving process of the air jet system of rotary drying machine wall, specifically includes:Revolved in rotary drying machine 6 Turn dry during, by blower fan 5, air line 4 to rotary drying machine 6 within gas channel 12 divulge information, nozzle 9 exports Opening and closing automatically controlled under gravity by internal nozzle plug 10 completely, when nozzle prefabricated section 1 with body rotate To bottom, nozzle plug 10 whereabouts nozzle 9 outlet is opened, and the high velocity jet air-flow 8 spraying from nozzle 9 is in rotary drying machine 6 Material 3 produces jet-action;Jet-stream wind 8 high speed impact material 3 accumulation horizon, in change machine the motion morphology of powder body wet stock and Stacking states, make powder material partial suspended, are fully contacted with hot-air in machine, improve the heat of powder material and gaseous state thermal medium Exchange rate;
When nozzle prefabricated section 1 rotates to top with body, nozzle plug 10 falls nozzle 9 port closing, it is to avoid spray at a high speed Stream 8 of emanating sprays into from the top of rotary drying machine 6 and forms interference air-flow in machine.
Air supply system configures two Fans 5 (but being not limited to two), in production process, can be according to actually used feelings Condition determine two work simultaneously or the using and the reserved working method, obtain optimal using effect.
The jet-stream wind 8 of the present invention directly acts on material 3 accumulation horizon, and ejection efficiency is high, revolution will not be dried simultaneously The inner lining structure of machine 6 produces impact, does not interfere with the inner lining structure life-span.This set injection apparatus little, working stability of investment, run into This is low, maintenance is simple.

Claims (4)

1. a kind of air jet system of rotary drying machine wall is it is characterised in that include being fixed on rotary drying machine inwall Nozzle prefabricated section and be arranged on air supply system outside rotary drying machine, the air supply system outside rotary drying machine It is connected with the nozzle of rotary drying machine inner nozzle prefabricated section.
2. a kind of air jet system of rotary drying machine wall according to claim 1 is it is characterised in that described nozzle is pre- Clamp dog includes channel steel base, prefabricated section, nozzle plug, and channel steel base is fixedly connected with prefabricated section by anchoring piece, and channel steel base is solid It is scheduled on rotary drying machine inwall, the space that channel steel base is formed with rotary drying machine inwall constitutes gas channel is dried with revolution Air supply system outside machine is connected, and is provided with nozzle and rotary drying machine inner space, in channel steel base in nozzle Portion is placed with nozzle plug, and nozzle plug moves in nozzle interior under gravity, automatically controls the closing of jet expansion and beats Open.
3. a kind of air jet system of rotary drying machine wall according to claim 1 is it is characterised in that described revolution is dried Air supply system outside dry machine includes blower fan, air line, assembling on rotary drying machine outer wall, air line ring It is wound on the outside of rotary drying machine, is connected with blower fan, and the gas channel within rotary drying machine is connected by lateral.
4. as claimed in claim 1 a kind of stoving process of the air jet system of rotary drying machine wall it is characterised in that tool Body includes:During rotary drying machine carries out rotary furnace drying, by blower fan, air line to rotary drying machine within gas Circulation road is divulged information, and when nozzle prefabricated section rotates to bottom with body, nozzle plug whereabouts jet expansion is opened, the height spraying from nozzle Fast jet-stream wind produces jet-action to the material in rotary drying machine;Jet-stream wind high speed impact bank lamination, changes machine The motion morphology of interior powder body wet stock and stacking states, make powder material partial suspended, are fully contacted with hot-air in machine, improve Powder material and the rate of heat exchange of gaseous state thermal medium;
When nozzle prefabricated section rotates to top with body, nozzle plug falls to closing jet expansion, it is to avoid high velocity jet air-flow from The top of rotary drying machine sprays into and forms interference air-flow in machine.
CN201610966518.XA 2016-11-01 2016-11-01 A kind of air jet system and technique of rotary dryer wall Active CN106403535B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106904809A (en) * 2017-03-11 2017-06-30 佛山丰汇机械有限公司 A kind of revolution cylinder drier with spouted bed high pressure draught sludge dispersing device
CN108613480A (en) * 2018-05-02 2018-10-02 芜湖众梦电子科技有限公司 A kind of consumptive material high efficiency drying unit for 3D printing
CN108826888A (en) * 2018-08-01 2018-11-16 福州云睿自动化设备有限公司 A kind of metal parts dryer
CN109237873A (en) * 2018-08-30 2019-01-18 安徽瑞腾塑业有限公司 A kind of PVC processing aid dryer of rotatable drying

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119622U (en) * 1991-12-31 1992-10-21 宁光昌 Negative pressure hot air blow type cylinder drier
US5410819A (en) * 1994-03-18 1995-05-02 James River Paper Company, Inc. Mounting system for paper dryer nozzle box
JPH118219A (en) * 1997-06-17 1999-01-12 Ebara Corp Vacuum spin dryer
CN204665837U (en) * 2015-06-11 2015-09-23 郭亚华 A kind of particle fast-drying device
CN205214071U (en) * 2015-10-29 2016-05-11 耿马澜沧江茶业有限公司 Black tea drying -machine
CN205300159U (en) * 2015-11-26 2016-06-08 廖学华 Sweet potato sediment cylinder rapid dryer
CN206247782U (en) * 2016-11-01 2017-06-13 中冶焦耐(大连)工程技术有限公司 A kind of air jet system of rotary drying machine wall

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2119622U (en) * 1991-12-31 1992-10-21 宁光昌 Negative pressure hot air blow type cylinder drier
US5410819A (en) * 1994-03-18 1995-05-02 James River Paper Company, Inc. Mounting system for paper dryer nozzle box
JPH118219A (en) * 1997-06-17 1999-01-12 Ebara Corp Vacuum spin dryer
CN204665837U (en) * 2015-06-11 2015-09-23 郭亚华 A kind of particle fast-drying device
CN205214071U (en) * 2015-10-29 2016-05-11 耿马澜沧江茶业有限公司 Black tea drying -machine
CN205300159U (en) * 2015-11-26 2016-06-08 廖学华 Sweet potato sediment cylinder rapid dryer
CN206247782U (en) * 2016-11-01 2017-06-13 中冶焦耐(大连)工程技术有限公司 A kind of air jet system of rotary drying machine wall

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106904809A (en) * 2017-03-11 2017-06-30 佛山丰汇机械有限公司 A kind of revolution cylinder drier with spouted bed high pressure draught sludge dispersing device
CN106904809B (en) * 2017-03-11 2020-11-10 佛山丰汇环保工程有限公司 Rotary drum dryer with high-pressure airflow sludge scattering device of jet bed
CN108613480A (en) * 2018-05-02 2018-10-02 芜湖众梦电子科技有限公司 A kind of consumptive material high efficiency drying unit for 3D printing
CN108613480B (en) * 2018-05-02 2021-01-19 亳州易泽信息科技有限公司 A consumptive material high efficiency drying device for 3D prints
CN108826888A (en) * 2018-08-01 2018-11-16 福州云睿自动化设备有限公司 A kind of metal parts dryer
CN109237873A (en) * 2018-08-30 2019-01-18 安徽瑞腾塑业有限公司 A kind of PVC processing aid dryer of rotatable drying
CN109237873B (en) * 2018-08-30 2020-11-03 安徽瑞腾塑业有限公司 PVC processing aid drying-machine

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