CN2193520Y

CN2193520Y - Wood drying apparatus for indirectly heating wood in furnace gas

Info

Publication number: CN2193520Y
Application number: CN 94203934
Authority: CN
Inventors: 赵砺; 吴萌; 李增超
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-23
Filing date: 1994-02-23
Publication date: 1995-03-29
Anticipated expiration: 2004-02-23

Abstract

The utility model relates to a novel wood drying apparatus, which is characterized in that a burning heating system is fully in the casing of a drying kiln; an axial flow fan is arranged on one side of the burning heater system; the utility model has low energy consumption, high thermal efficiency, simple structure, good quality for drying wood and low cost.

Description

Wood drying apparatus for indirectly heating wood in furnace gas

The utility model belongs to the drying equipment technical field of timber processing class.In the prior art before the utility model, be that the equipment of thermal source kiln dried wood has two classes with the furnace gas: a class is to be the direct drying plant of medium with the furnace gas, and its shortcoming is: 1, arid cycle is long.2, dry mass is difficult to guarantee.3, the danger of breaking out of fire arranged.4, to the strictness of fuel size requirements, be not easy to operation.5, for fuel type requirement is arranged.6, consumption of power is big, when taking the electricity charge.7, the dried sawn timber surface contamination is serious, and the working environment of workers is abominable.8, many, the complex structure of part of appliance, cost height and kiln type are little.Its combustion system elevation as shown in Figure 1.Another kind of is the indirect furnace heating timber dryer, and its structure and the first kind are similar, and its shortcoming is: 1, device structure complexity, and more than 2, raw materials consumption, 3, cost cost height, 4, power consumption is big, the thermal efficiency is low.Its combustion system and dry total figure are as shown in Figure 2.

At above-mentioned shortcoming of the prior art, the purpose of this utility model be to provide a kind of power consumption less, cost is low, heat utilization efficiency is high, dry mass is good, simple in structure novel dried equipment.

Now the utility model technical solution is described below:

The utility model constitutes (see figure 3) by combustion heating system, smoke evacuation hot channel system, steam spray pipe, dirt pocket, axial flow blower and the dried several major parts of kiln of making, it is characterized in that: combustion heating system (24) comprises combustion furnace (31), fire tube heater (32), poly-petticoat pipe heater (33), smoke pipe heater (34), dedusting heater (35), (see figure 4), and combustion system all is arranged in the dry kiln housing basically; Axial flow blower is arranged on fuel-heating system one side in the dry kiln housing; Fire tube heater (32) in the fuel-heating system can be circular pipe type, steel plate box formula or steel plate box muscle chip, (seeing Fig. 5, Fig. 6); Poly-petticoat pipe heater can be mouth side formula or top mouthful formula; Can establish water heater in the combustion furnace (31); Dirt pocket can be located in the kiln or kiln outside.

The course of work of the present utility model is such, after combustion furnace (31) is lighted, the high-temperature flue gas stream that fuel combustion produces is by heating system (24), under the positive drive of axial flow blower (23), force heat radiation, heat is passed to kiln inner circulating air medium expeditiously, what be provided with in the stove simultaneously nozzle specially usedly is sprayed directly on to water smoke on the fire tube heater (32), to improve humidity in the kiln, guarantee the intermediate treatment and the dry mass of timber or quilt oven dry thing, smoke evacuation radiating tube (27) is arranged in the kiln, makes pilot process not have thermal losses, and heat utilization efficiency improves greatly.

Now that the utility model description of drawings is as follows:

Fig. 1: with the furnace gas is the direct drying plant combustion system elevation of medium

Fig. 2: the indirect drying plant burning and the drying system that with the furnace gas are medium are always schemed

Fig. 3: the utility model burning and drying equipment are always schemed

Fig. 4: the utility model technological principle schematic diagram

Fig. 5; Pipe fire tube heater

Fig. 6: steel disc box formula and steel disc box muscle chip fire tube heater

：（1）（2）（3）（4）（5）（6）（7）（8）（9）（10）（11）（12）（13）（14）（15）（16）（17）（18）（19）（20）（21）（22）（23）（24）（25）（26）（27）（28）（29）（30）（31）（32）（33）（34）（35）。

The utility model is compared with prior art, has the following advantages: 1, the power consumption less, thermal efficiency height. Simple in structure, cheap, saving raw material. 3, easy and simple to handle, practical, maintenance convenience. 4, dry quality of finished product good, remarkable in economical benefits.

Claims

1, a kind of timber dryer, have combustion heating system, smoke evacuation hot channel system, steam spray pipe, axial flow blower and dry kiln housing, it is characterized in that: combustion heating system comprises: combustion furnace, fire tube heater, poly-petticoat pipe heater, smoke pipe heater, remove heavy heater, and combustion heating system is arranged in the dry kiln housing; Axial flow blower is arranged on a side of dry kiln housing internal combustion heating system.

2, a kind of timber dryer according to claim 1 is characterized in that: the fire tube heater in the combustion heating system can be circular pipe type, steel plate box formula or steel plate box muscle chip; Poly-petticoat pipe heater can be mouth side formula or top mouthful formula; Can establish water heater in the combustion furnace; Dirt pocket can be located in the kiln, also can be located at outside the kiln.