CN203518510U - Penetration type countercurrent drying unit - Google Patents

Penetration type countercurrent drying unit Download PDF

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Publication number
CN203518510U
CN203518510U CN201320619851.5U CN201320619851U CN203518510U CN 203518510 U CN203518510 U CN 203518510U CN 201320619851 U CN201320619851 U CN 201320619851U CN 203518510 U CN203518510 U CN 203518510U
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CN
China
Prior art keywords
rotary drum
heat exchanger
air heater
drying unit
air
Prior art date
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
CN201320619851.5U
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Chinese (zh)
Inventor
银永忠
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Jishou University
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Jishou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jishou University filed Critical Jishou University
Priority to CN201320619851.5U priority Critical patent/CN203518510U/en
Application granted granted Critical
Publication of CN203518510U publication Critical patent/CN203518510U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a penetration type countercurrent drying unit. The penetration type countercurrent drying unit comprises a heat exchanger, an air heater, a driving rotary drum, a driven rotary drum, a sieve plate type conveying steel belt and a drying machine body. One side of the upper end of the heat exchanger is connected with an air blower. One side of the lower end of the heat exchanger is connected with the air heater. The driving rotary drum is connected with a two-stage cycloidal pin gear speed reducer through a transmission chain. The driving rotary drum and the driven rotary drum form a material conveying system through the sieve plate type conveying steel belt. A feed hopper is arranged at one end of the material conveying system, and a discharge hopper is arranged at the other end of the material conveying system. The sieve plate type conveying steel belt passes through the drying machine body. The drying machine body is of a sealed structure. A plurality of axial fans are reasonably distributed on the upper surface and the bottom surface of the drying machine body. One side of the drying machine body is connected with the outlet of the air heater, and the other side of the drying machine body is connected with a suction fan. An air outlet of the suction fan is connected with an inlet pipe at the bottom of the heat exchanger. The penetration type countercurrent drying unit is simple in structure, high in practicability, capable of quickly and efficiently drying materials, low in energy consumption and broad in prospect.

Description

Penetration adverse current drying unit
Technical field
The utility model relates to drying unit, specifically refers to utilize hot blast material to be carried out to the device of penetration counter-current drying.
Background technology
Oven dry is common means during food, chemical industry, medicine, processing of farm products are produced, but now common drying plant generally all volume is larger, energy consumption is higher, rate of drying is also slow, cannot meet the needs of modern production, life.
It is to utilize hot blast and material to move in opposite directions that penetration adverse current is dried, and there is continuously hot blast to penetrate material and carry out a kind of method of contact drying, there is high efficiency, temperature of charge and the water content of utilizing penetration adverse current drying unit to dry are out all more even, production efficiency is high, and equipment volume is little, can continuity operate, save mass energy, meet the requirement of modern production, life.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art exactly, and a kind of simple in structure, practical, rate of drying is fast and the thermal efficiency is high penetration adverse current drying unit is provided.
For overcoming the deficiencies in the prior art, the utility model is taked following technical scheme:
A kind of penetration adverse current drying unit, comprise heat exchanger, air heater, active rotary drum, driven rotary drum, sieve-board type conveying steel belt and dryer main body, it is characterized in that: heat exchanger upper end one side connects air blast, lower end one side is connected with air heater, initiatively rotary drum is connected with twin-stage cycloidal planetary gear speed reducer by driving-chain, initiatively rotary drum and driven rotary drum form material transmission system by sieve-board type conveying steel belt, material transmission system one end is provided with feed hopper, the other end is provided with discharge bucket, sieve-board type conveying steel belt passes from dryer main body, dryer main body is hermetically-sealed construction, above with a plurality of aerofoil fans of bottom surface reasonable layout, dryer main body one side is connected with the outlet of air heater, opposite side is connected with air exhauster, the air outlet of air exhauster is connected with heat exchanger bottom inlet pipe.
Described heat exchanger top is provided with offgas duct, and it is curved that bottom is provided with draining, has the many heat exchanging pipes that are connected with offgas duct in heat exchanger.
Described air heater is provided with steam valve and drain valve, has finned tubulation to be connected with drain valve with steam valve in air heater.
Described dryer main body has insulation material parcel, and to prevent that heat runs off, both sides arrange appropriate dodge gate, easy access and observation drying effect.
Feature of the present utility model is to utilize reverse movement and the penetration of hot-air to material of material and thermal current, realize hot gas convection current and well penetrate, reach drying effect fast and efficiently, compared with prior art, of the present utility model being also advantageous in that: simple in structure, manufacture operating cost is low, reliable, can continuity operate, practical; Can effectively reclaim tail gas heat quantity, reduce exhaust emissions temperature, reduce steam consumption, realize energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is planar structure schematic diagram of the present utility model.
In figure, each label represents:
1, twin-stage cycloidal planetary gear speed reducer; 2, driving-chain; 3, active rotary drum; 4, feed hopper; 5, air exhauster; 6, draining is curved; 7, heat exchanger; 8, air blast; 9, offgas duct; 10, air heater; 11, steam valve; 12, drain valve; 13, dryer main body; 14, aerofoil fan; 15, driven rotary drum; 16, discharge bucket; 17, sieve-board type conveying steel belt.
The specific embodiment
Now by reference to the accompanying drawings, the utility model is further illustrated.
Penetration adverse current drying unit as shown in Figure 1, comprise heat exchanger 7, air heater 10, active rotary drum 3, driven rotary drum 15, sieve-board type conveying steel belt 17 and dryer main body 13, wherein heat exchanger 7 upper end one sides connect air blast 8, lower end one side is connected with air heater 10, initiatively rotary drum 3 is connected with twin-stage cycloidal planetary gear speed reducer 1 by driving-chain 2, initiatively rotary drum 3 carries steel 17 bands to form material transmission system with driven rotary drum 15 by sieve-board type, material transmission system one end is provided with feed hopper 4, the other end is provided with discharge bucket 16, sieve-board type conveying steel belt 17 passes from dryer main body 13, dryer main body 13 is hermetically-sealed construction, above with a plurality of aerofoil fans 14 of bottom surface reasonable layout, dryer main body 13 1 sides are connected with the outlet of air heater 10, opposite side is connected with air exhauster 5, the air outlet of air exhauster 5 is connected with heat exchanger 7 bottom inlet pipes.
Described heat exchanger 7 tops are provided with offgas duct 9, and it is curved 6 that bottom is provided with draining, has the many heat exchanging pipes that are connected with offgas duct 9 in heat exchanger.
Described air heater 10 is provided with steam valve 11 and drain valve 12, has finned tubulation to be connected with drain valve 12 with steam valve 11 in air heater 10.
Described dryer main body 13 has insulation material parcel, and to prevent that heat runs off, both sides arrange appropriate dodge gate, easy access and observation drying effect.
During machine work, by twin-stage cycloidal planetary gear speed reducer 1, slowed down, by driving-chain 2, drive initiatively rotary drum 3, initiatively rotary drum 3 forms material transmission system with driven rotary drum 15 by sieve-board type conveying steel belt 17, sieve-board type conveying steel belt 17 is thinner and have good rich Qu Xingneng and an applicable width, on sieve-board type conveying steel belt 17, be densely covered with sizeable sieve aperture, can guarantee that material does not fall down, can make again the wind energy of aerofoil fan through steel band.Material adds from left end feed hopper 4, falls into right-hand member discharge bucket 16 complete oven dry through dryer main body 13.Hot-air blasts from dryer main body 13 right-hand members, from left end, extract out, form reverse movement with material, above dryer, with bottom surface reasonable layout aerofoil fan, upper fan is dried downwards, the upwards blowing of lower fan, forms the hot gas convection current of local environment and can penetrate material and sieve-board type conveying steel belt 17, make material integral body and hot-air form reverse movement, and in part, form hot gas convection current and well penetrate, to obtain air motion track as shown by arrows, reach drying effect fast and efficiently.
The damp and hot tail gas of dryer left end is extracted out and is blasted heat exchanger 7 tube sides by air exhauster 5, fresh air blasts heat exchanger 7 shell side upper ends by air blast 8, lower end connects air heater 10, can be by tail gas heat quantity for the fresh air entering be carried out to preheating by heat exchanger 7, improve the temperature that enters air heater 10, the air entering is carried out to preheating, can reduce the steam consumption of air heater, reduce energy consumption.In air heater, it is finned tubulation, logical steam in tubulation, air is able to heat temperature raising through fin, there is draining curved 6 lower end of heat exchanger 7, can discharge the condensed water that tail is hankered, tail gas is finally emptying by offgas duct 9, and air heater 10 has steam valve 11 and drain valve 12 to control steam to add with condensed water and automatically discharge.
Above-mentioned is preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.

Claims (4)

1. a penetration adverse current drying unit, comprise heat exchanger, air heater, active rotary drum, driven rotary drum, sieve-board type conveying steel belt and dryer main body, it is characterized in that: heat exchanger upper end one side connects air blast, lower end one side is connected with air heater, initiatively rotary drum is connected with twin-stage cycloidal planetary gear speed reducer by driving-chain, initiatively rotary drum and driven rotary drum form material transmission system by sieve-board type conveying steel belt, material transmission system one end is provided with feed hopper, the other end is provided with discharge bucket, sieve-board type conveying steel belt passes from dryer main body, dryer main body is hermetically-sealed construction, above with a plurality of aerofoil fans of bottom surface reasonable layout, dryer main body one side is connected with the outlet of air heater, opposite side is connected with air exhauster, the air outlet of air exhauster is connected with heat exchanger bottom inlet pipe.
2. penetration adverse current drying unit according to claim 1, is characterized in that: described heat exchanger top is provided with offgas duct, and it is curved that bottom is provided with draining, has the many heat exchanging pipes that are connected with offgas duct in heat exchanger.
3. penetration adverse current drying unit according to claim 1, is characterized in that: described air heater is provided with steam valve and drain valve, has finned tubulation to be connected with drain valve with steam valve in air heater.
4. penetration adverse current drying unit according to claim 1, is characterized in that: described dryer main body has insulation material parcel, and both sides are provided with appropriate dodge gate.
CN201320619851.5U 2013-10-09 2013-10-09 Penetration type countercurrent drying unit Expired - Fee Related CN203518510U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320619851.5U CN203518510U (en) 2013-10-09 2013-10-09 Penetration type countercurrent drying unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320619851.5U CN203518510U (en) 2013-10-09 2013-10-09 Penetration type countercurrent drying unit

Publications (1)

Publication Number Publication Date
CN203518510U true CN203518510U (en) 2014-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320619851.5U Expired - Fee Related CN203518510U (en) 2013-10-09 2013-10-09 Penetration type countercurrent drying unit

Country Status (1)

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CN (1) CN203518510U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103471373A (en) * 2013-10-09 2013-12-25 吉首大学 Penetrating type reverse-flow drying device
CN105300073A (en) * 2015-07-16 2016-02-03 江苏牧羊控股有限公司 Belt drier
CN105333713A (en) * 2015-11-23 2016-02-17 浙江联鑫板材科技有限公司 Galvanized piece drying device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103471373A (en) * 2013-10-09 2013-12-25 吉首大学 Penetrating type reverse-flow drying device
CN103471373B (en) * 2013-10-09 2016-02-10 吉首大学 Penetration adverse current drying unit
CN105300073A (en) * 2015-07-16 2016-02-03 江苏牧羊控股有限公司 Belt drier
CN105300073B (en) * 2015-07-16 2017-12-29 江苏丰尚智能科技有限公司 A kind of band drier
CN105333713A (en) * 2015-11-23 2016-02-17 浙江联鑫板材科技有限公司 Galvanized piece drying device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140402

Termination date: 20161009