CN202350470U

CN202350470U - Natural gas direct combustion impregnated paper drying box

Info

Publication number: CN202350470U
Application number: CN2011205027727U
Authority: CN
Inventors: 陆新明; 王建清; 李金炎; 朱玲
Original assignee: NANTONG SITONG FORESTRY MACHINE MANUFACTURE INSTALLATION CO Ltd
Current assignee: NANTONG SITONG FORESTRY MACHINE MANUFACTURE INSTALLATION CO Ltd
Priority date: 2011-12-05
Filing date: 2011-12-05
Publication date: 2012-07-25
Anticipated expiration: 2021-12-05

Abstract

The utility model discloses a natural gas direct combustion impregnated paper drying box. An air heater is positioned in a hot air static pressure box; a drying chamber is formed below the hot air static pressure box; the drying chamber comprises an upper air box and a lower air box; the upper air box is positioned above the lower air box; the two ends of the upper air box are communicated with the hot air static pressure box through upper air box channels; the two ends of the lower air box are communicated with the hot air static pressure box through lower air box channels; an upper nozzle is arranged at the lower end of the upper air box; a lower nozzle is arranged at the upper end of the lower air box; upper and lower positions between the upper nozzle and the lower nozzle correspond to each other; the middle of the drying chamber is provided with a through channel; and the channel is positioned between the upper nozzle and the lower nozzle. According to the natural gas direct combustion impregnated paper drying box, other heat transfer media such as oil, water, heat conducting rollers and the like are not required, and hot air produced by combustion of natural gas is directly used for heating and drying impregnated paper; and the natural gas direct combustion impregnated paper drying box has the advantages of accurate self-controllability, high efficiency, environmental friendliness, high drying and working efficiencies, and the like.

Description

A kind of natural gas direct combustion formula impregnated paper drying box

Technical field

The utility model relates to the oven dry field of machining and machinebuilding technology, is specifically related to a kind of natural gas direct combustion formula impregnated paper drying box.

Background technology

Common in the market cardboard dryer mostly adopts is to realize drying with electrical heating and the mode through interchanger or heat-conducting medium, and the oven dry cost is higher, and heat waste is bigger; The spent energy is very huge also; Because heat waste is higher limited with heating-up temperature, often time of stopping of cardboard longer, drying rate and efficient are lower; And the volume of most of cardboard drying units is bigger; Machine driving each other is also comparatively complicated, and failure rate of machinery and wear rate are higher, have influenced its whole service life greatly.

The utility model content

The purpose of the utility model provides a kind of natural gas direct combustion formula impregnated paper drying box, and it can solve existing problem in the background technology effectively.

In order to solve the existing problem of background technology, the present invention adopts following technical scheme: it comprises burner, heat supply pipeline and drying unit; Burner is fixed on an end of heat supply pipeline, and the combustion head of this burner probes in the heat supply pipeline, and its lower end is provided with the combustion adjuvant inlet; The upper end of said heat supply pipeline is provided with air intake, and the other end of heat supply pipeline passes drying unit and links to each other with the upper end of air-heater, and described drying unit comprises air-heater, hot blast plenum chamber and drying chamber; Air-heater is positioned at the hot blast plenum chamber, and the below of this hot blast plenum chamber is provided with drying chamber, and this drying chamber comprises bellows and following bellows; Last bellows are positioned at the top of bellows down; The two ends of last bellows communicate with the hot blast plenum chamber through last bellows passage, and the two ends of following bellows communicate with the hot blast plenum chamber through following bellows passage, and top nozzle is installed in the lower end of bellows; Following nozzle is installed in down the upper end of bellows; Top nozzle is corresponding with the upper-lower position between the following nozzle, and the centre of drying chamber is provided with the passage of perforation, and this passage is between top nozzle and following nozzle.

The both sides of said hot blast plenum chamber are provided with dehumidification tube, and the lower end of this dehumidification tube communicates with drying chamber, and drying unit is stretched out in its upper end.

The said bellows upper end of going up is provided with a passage, and this passage passes bellows and communicates with the lower end of air-heater.

Owing to adopted above structure, the utlity model has following beneficial effect:

This drying box need not other heat-conduction medium, and like oil, water, heat conduction roller etc., the hot-air that directly produces with combustion of natural gas carries out heating, drying to impregnated paper, has precisely automatic control, high-effect, environmental protection, drying work efficient advantages of higher.

Description of drawings

For the content that makes the utility model is more clearly understood, below according to specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation, wherein:

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the air-flow circulation sketch map of the utility model.

Reference numeral: flexible pipe 1, burner 2, combustion adjuvant inlet 3, air blast 4, heat supply pipeline 5, air intake 6, peep hole 7, temperature inductor 8, integrated control cabinet 9, air-heater 10, hot blast plenum chamber 11, dehumidification tube 12, go up bellows passage 13, go up bellows 14, top nozzle 15, bellows passage 16, bellows 17, nozzle 18, drying chamber 19, drying unit 20, air cushion layer 21 down down down.

The specific embodiment

Referring to Fig. 1, this specific embodiment is to adopt following technical scheme: it comprises flexible pipe 1, burner 2, air blast 4, heat supply pipeline 5, air-heater 10, hot blast plenum chamber 11, goes up bellows 14, following bellows 15 and drying chamber 19; Burner 2 is fixed on an end of heat supply pipeline 5, and the combustion head of this burner 2 probes in the heat supply pipeline 5, and the other end links to each other with liquefied gas through flexible pipe 1; Its lower end is provided with combustion adjuvant inlet 3, and air blast 4 is installed between combustion adjuvant inlet 3 and the burner 2, and the upper end of said heat supply pipeline 5 is provided with air intake 6; Its side is respectively equipped with peep hole 7 and temperature inductor 8, and integrated control cabinet 9 is installed in a side of drying unit 20 upper ends, and the other end of heat supply pipeline 5 passes drying unit 20 and links to each other with the upper end of air-heater 10; Air-heater 10 is positioned at hot blast plenum chamber 11, and the both sides of hot blast plenum chamber 11 are provided with dehumidification tube 12, and the lower end of this dehumidification tube 12 communicates with drying chamber 19; Drying unit 20 is stretched out in its upper end; Said drying chamber 19 comprises bellows 14 and following bellows 17, and last bellows 14 are positioned at the top of bellows 17 down, and the two ends of last bellows 14 communicate with hot blast plenum chamber 11 through last bellows passage 13; The two ends of following bellows 17 communicate with hot blast plenum chamber 11 through following bellows passage 16; Top nozzle 15 is installed in the lower end of bellows 14, and following nozzle 18 is installed in down the upper end of bellows, and top nozzle 15 is corresponding with the upper-lower position between the following nozzle 18; The centre of drying chamber 19 is provided with the passage of perforation, and this passage is between top nozzle 15 and following nozzle 18.

In conjunction with Fig. 2 the air-flow endless form of this specific embodiment is done further to set forth: the hot gas that burner 2 burnings produce attracts through air-heater 10, enters in the hot blast plenum chamber 11 through heat supply pipeline 5, through the supercharging of air-heater 10; Hot gas is entered in bellows 14 and the following bellows 17 through last bellows passage 13 and following bellows passage 16 respectively,, thereby form air cushion layer 21 more respectively through top nozzle 15 and following nozzle 18 ejections; Because the jet face between top nozzle 15 and the following nozzle 18 is corresponding; The hot blast ejection time can form convection current, when cardboard through air cushion layer 21, just can be suspended in the air cushion layer 21; Do not contact with top nozzle 15 or following nozzle 18; Increased the security in the drying course greatly, because the upper end of last bellows 14 is provided with a passage that links to each other with air-heater 10, unnecessary a part of hot blast can be sucked by air-heater 10; Thereby get into the next round circulation, another part is discharged drying unit 20 by dehumidification tube 12.

By finding out among Fig. 2 in the present embodiment, except taking away few part heat from dehumidification tube 12, remaining heat energy is all recycling; Owing to cancelled the heat exchanger and corresponding heat-conducting medium of common cardboard dryer; The heat energy that burning produces is directly sent in the drying unit 20 through heat supply pipeline 5, reduced heat waste, and because the heat energy in the present embodiment is direct-furnish; Its thermal energy exchange rate do not have the exchange of heat energy, so can reach absolutely.

Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection domain of the utility model.

Claims

1. a natural gas direct combustion formula impregnated paper drying box is characterized in that it comprises burner (2), heat supply pipeline (5) and drying unit (20); Burner (2) is fixed on an end of heat supply pipeline (5), and the combustion head of this burner (2) probes in the heat supply pipeline (5), and its lower end is provided with combustion adjuvant inlet (3); The upper end of said heat supply pipeline (5) is provided with air intake (6); The other end of heat supply pipeline (5) passes drying unit (20) and links to each other with the upper end of air-heater (10), and described drying unit (20) comprises air-heater (10), hot blast plenum chamber (11) and drying chamber (19), and air-heater (10) is positioned at hot blast plenum chamber (11); The below of this hot blast plenum chamber (11) is provided with drying chamber (19); This drying chamber (19) comprises bellows (14) and following bellows (17), and last bellows (14) are positioned at the top of bellows (17) down, and the two ends of last bellows (14) communicate with hot blast plenum chamber (11) through last bellows passage (13); The two ends of following bellows (17) communicate with hot blast plenum chamber (11) through following bellows passage (16); Top nozzle (15) is installed in the lower end of bellows (14), and following nozzle (18) is installed in down the upper end of bellows, and top nozzle (15) is corresponding with the upper-lower position between the following nozzle (18); The centre of drying chamber (19) is provided with the passage of perforation, and this passage is positioned between top nozzle (15) and the following nozzle (18).

2. a kind of natural gas direct combustion formula impregnated paper drying box according to claim 1 is characterized in that the both sides of said hot blast plenum chamber 11 are provided with dehumidification tube (12), and the lower end of this dehumidification tube (12) communicates with drying chamber (19), and drying unit (20) is stretched out in its upper end.

3. a kind of natural gas direct combustion formula impregnated paper drying box according to claim 1 is characterized in that (14 upper ends are provided with a passage to said upward bellows, and this passage passes bellows (14) and communicates with the lower end of air-heater (10).