CN200965405Y

CN200965405Y - Type coal combination drying equipment

Info

Publication number: CN200965405Y
Application number: CN 200620134766
Authority: CN
Inventors: 葛苏; 宋永玮
Original assignee: 葛苏; 宋永玮
Current assignee: Beijing Kirinstar Co., Ltd.
Priority date: 2006-09-04
Filing date: 2006-09-04
Publication date: 2007-10-24
Anticipated expiration: 2016-09-04

Abstract

The utility model relates to a combination-style drying device used for drying a mould coal. The utility model comprises a horizontal drying unit and a standing drying unit. The utility model is characterized in that the device also comprises a transmitting unit. Wherein, the horizontal drying unit comprises a feeding inlet, an air-intake channel, a venting channel, a coal-transferring channel, a main body of a drying furnace and a discharging outlet. The discharging outlet is connected with the transmitting unit, and one end of the transmitting unit is connected with the feeding inlet of the standing drying-unit. The standing drying unit comprises a feeding inlet, a material distributor, a main body of a standing drying-furnace, a hot-air inlet, a material-falling outlet and a controlling system used to control the drying process, so as to reach the aim of enhancing the drying efficiency and saving drying-energy.

Description

The combination drying plant of moulded coal

Technical field

The utility model relates to a kind of drying plant, particularly be a kind of combined type drying plant that adopts horizontal drying plant to combine with vertical drying.

Background technology

The industrial shaping coal drying plant of chemical fertilizer gas-making system and boiler, at present large-scale industrialization is used and mainly contained two kinds: a kind of is to be 96227869.6 as the Chinese patent publication number, disclose a kind of moulded coal drying oven, it is the horizontal drying oven of trunk, also is the tunnel cave drying oven, its shortcoming is that floor space is big and rate of drying is low, the heat energy utilization rate variance, and big to the consumption of energy, the wet heart appears in the middle of the moulded coal that drying goes out easily, to the cold strength of finished product, calorific intensity and heat endurance cause harmful effect.Especially large-scale production line more than 50,000 tons is difficult for realizing good drying effect, because horizontal chamber furnace (oven) length should not be above 50 meters;

Another kind is as Chinese patent publication number 20 0510019870; disclosed a kind of synthesis ammonia coal briquette drying method; it has proposed a kind of vertical mobile bed drying stove, also is the vertical drying kiln, though its heat utilization efficiency height; drying time is short; but because wet type coal intensity is low, directly enters vertical mobile bed drying stove cracky and reduce briquette strength, hot blast flows from bottom to top from the combustion chamber; get rid of hot waste gas drive coal dust from the top and spill into air, all unfavorable to environmental protection and workman's operating environment.All existing moulded coal drying plants all can't satisfy the needs of production high-quality briquette prod and large-scale production.

For addressing the aforementioned drawbacks, worked out the utility model through long term studies and practice with novel creator.

Summary of the invention

The objective of the invention is to, a kind of combination drying plant of moulded coal is provided, overcome the defective of existing moulded coal drying plant, improve drying efficiency, save the purpose of oven dry energy resource consumption.

For achieving the above object, the technical solution adopted in the utility model is, a kind of combination drying plant of moulded coal, and it comprises horizontal drying unit, vertical drying unit, it is characterized in that, also comprises transmission unit, wherein,

Described horizontal drying unit, it comprises feeding mouth, air intake passage, air exhaust passage, transmission breeching, drying oven body and discharging opening, described air intake passage links to each other with the gas outlet of hot-blast stove, and described air exhaust passage links to each other with the air inlet of hot-blast stove, and described at least one biography coal channel is positioned at the drying oven body, described discharging opening is connected with a transmission unit, and an end of described transmission unit is connected with the charging aperture of vertical drying unit;

Described vertical drying unit, it comprises charging aperture, distributing device, vertical drying furnace body, hot-wind inlet and blanking port, the upper end of described vertical drying furnace body is a charging aperture, described charging aperture links to each other with the top of transmission unit, the charging aperture lower end is a distributing device, described vertical drying furnace body is provided with hot-wind inlet, and the bottom of described vertical drying furnace body is a blanking port;

It also comprises the control system in order to control oven dry process; The hot-wind inlet of described vertical drying furnace body, one are arranged at the top of described vertical drying furnace body, and other has hot-wind inlet to be arranged at the bottom of described vertical drying furnace body, is provided with the humidity discharging pipe in the stage casing of described vertical drying furnace body; Described transmission unit is the chain type conveyer or is belt conveyor; Described control module comprises, humidity sensor, processor, wind speed control valve controller and driving motor rotational speed governor, described humidity sensor is arranged at, the feeding mouth place of horizontal drying machine and discharging opening place, and link to each other with processor, described wind speed control valve controller is arranged at air intake passage place and hot-wind inlet place, described driving motor rotational speed governor is arranged in order on the motor of controlling the transport tape rotating speed, and all surplus processor of described wind speed adjustment control and driving motor rotational speed governor is connected; Described processor is computer or single-chip microcomputer; Described hot-blast stove has a plurality of air outlets and links to each other and a plurality of air inlet with described air intake passage or hot-wind inlet respectively, links to each other with humidity discharging pipe or air exhaust passage respectively; The a plurality of series connection of described vertical drying unit or horizontal drying unit are used.

Advantage of the present utility model is, drying efficiency height, the consumption of saving the oven dry energy.

Description of drawings

Fig. 1 is the moulded coal combination drying plant structural representation that the utility model embodiment one adopts the chain type transmission;

Fig. 2 is the moulded coal combination drying plant structural representation that the utility model embodiment two adopts the belt transmission;

Fig. 3 is the utility model control structure schematic diagram.

Description of reference numerals: 10-air intake passage; 11-drying oven body; The 12-air exhaust passage; The 13-exhaust outlet; The 14-discharging opening; The 15-feeding mouth; The inner air outlet of 16-; The 17-air inlet; 18-transmits breeching; 19-discharging transition transmission breeching; The 20-distributing device; The 21-charging aperture; 23-vertical drying furnace body; 22-top hot-wind inlet; 25-bottom hot-wind inlet; 24-humidity discharging pipe; The 26-blanking port; 3-chain type conveyer; The 31-loading plate; The 5-transport tape; 41-wind speed adjustment control; The 42-processor; 43-transmits electric motor speed controller; The 44-humidity sensor; 27-blanking transport tape; 28-charging transition transmission breeching.

The specific embodiment

Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.

See also shown in Figure 1, it is the structural representation that the utility model embodiment one adopts the moulded coal combination drying plant of chain type transmission, it comprises horizontal drying unit, transmission unit and vertical drying unit, wherein said horizontal drying unit, it is the horizontal drying oven of a trunk, it comprises feeding mouth 15, air intake passage 10, air exhaust passage 12, transmission breeching 18, drying oven body 11 and discharging opening 14, described air intake passage 10 is positioned at the top of drying oven body 11, the air inlet 17 of described air intake passage 10 is connected with a wherein air outlet of hot-blast stove by warm-air pipe, described air exhaust passage 12 is positioned at drying oven body bottom, its exhaust outlet 13 is not by warm-air pipe be connected with an air inlet of hot-blast stove (looking among the figure), described drying oven body 11 is divided into two-layer, can certainly be divided into more multi-layered, this is according to the height decision of the horizontal drying oven of trunk, each layer is a transmission breeching 18, described transmission breeching 18 is a guipure, prop up by carrying roller tightening roller and drive roll, under the input condition of the speed of buncher and moment of torsion, the moulded coal of desire oven dry transmits on guipure, the hot blast that described hot-blast stove produces blasts air intake passage 12 to hot dry-air blast by air blast, the flow of hot dry-air blast is regulated by the wind speed adjustment control 411 of air intake passage 12, be provided with air exhaust passage 12 in the bottom of drying oven body 11, be withdrawn into hot-blast stove (not looking among the figure) by air exhauster containing wetly hot blast, recycle, drying oven body 11 is from air outlet 16 ejections of the inner surface of internal layer air intake passage 10, its direction is the moulded coal around transmission breeching 18, to increase the evaporation capacity of moisture content on moulded coal surface;

Be transported to the charging aperture 21 of vertical drying unit through the moulded coal of horizontal drying unit preliminarily dried by transmission unit, described transmission unit is a chain type conveyer 3; Its loading plate that stretches out 31 is used for carrying the moulded coal from horizontal drying unit preliminarily dried, in the upset of the top of chain type conveyer 3, moulded coal is sent into the vertical drying unit;

Described vertical drying unit, it comprises charging aperture 21, distributing device 20, vertical drying furnace body 23, top hot-wind inlet 22, bottom hot-wind inlet 25, humidity discharging pipe 24 and blanking port 26, wherein said charging aperture 21 is connected mutually with the chain type band 3 of chain type conveyer, push and block oscillator through distributing device 20, moulded coal is evenly distributed, blanking then, be provided with top hot-wind inlet 22 on the top of vertical drying furnace body 23, be provided with bottom hot-wind inlet 25 in the bottom of tower stove, the direction of motion of the described hot dry-air blast that enters from top hot-wind inlet 22 is identical with the blanking direction, the direction of motion of the hot dry-air blast that enters from bottom hot-wind inlet 25 is opposite with the blanking direction, thereby formed the concurrent-countercurrent dry status, owing in motion process, have speed difference with moulded coal along the contrary hot dry-air blast of high speed, taken away a large amount of moisture in moulded coal surface, while is at the middle part of vertical drying furnace body 23, the hot dry-air blast collision of concurrent-countercurrent, kinetic energy changes heat energy into, the heat that produces more helps oven dry, moisture is after treatment discharged from the humidity discharging pipe 24 at the middle part that is positioned at vertical drying furnace body 23, described humidity discharging pipe 24 can link to each other in an air inlet of hot-blast stove, moulded coal is discharged from blanking port, transports by blanking transport tape 27.

See also shown in Figure 2, it is the structural representation that the utility model embodiment two adopts the moulded coal combination drying plant of belt transmission, the difference of itself and embodiment one is, transmission unit between horizontal drying unit and vertical drying unit is differentiated, and what adopt here is the distributing belt machine.

See also shown in Figure 3, the utility model control structure schematic diagram, it comprises humidity sensor 44, processor 42, wind speed adjustment control 41 and driving motor rotational speed governor 43, described humidity sensor 44 is arranged at, feeding mouth 15 places of horizontal drying machine and discharging opening 14 places, moulded coal humidity in order to monitoring institute corresponding position, thereby control passes the rotating speed of the guipure buncher on the coal channel 18, and wind speed adjustment control 411 allows the flow of the hot dry-air blast that enters, that is to say, when the humidity ratio of the dry moulded coal of handling of the desire of humidity sensor 44 acquisitions, be transferred to processor 42, if do not reach the drying effect of expection through the processing of horizontal baking unit, then processor 42 is controlled the electric motor speed controller 43 (not looking among the figure) of buncher correspondences, make its rotating speed slack-off, perhaps controlled wind speed adjustment control 411 strengthens the flow of the hot dry-air blast that is blown into from hot-blast stove, also can both regulate control simultaneously; Can certainly humidity sensor 44 be set at the charging aperture 21 and the blanking port 26 of vertical drying unit, check the drying effect of this unit, push and block speed that also can distributing device 20 control push and block oscillators simultaneously, control the quantity of blanking, and the flow of reconciling the hot dry-air blast that enters vertical drier body 23 by the wind speed adjustment control 412,413 that control is positioned at top hot-wind inlet, bottom hot-wind inlet.

Described processor is processor such as the single-chip microcomputers such as computer, DSP with data processing function.

Described moulded coal combination drying plant, can adopt a hot-blast stove, it has a plurality of hot-blast outlets and a plurality of air inlet, described hot-blast stove has a plurality of air outlets and links to each other with the air inlet 17 or the hot-

wind inlet

22,25 of described air intake passage 12 respectively, described a plurality of air inlet, the exhaust outlet 13 with humidity discharging pipe 24 or air exhaust passage 12 links to each other respectively.

Avoid energy waste like this, and can effectively reclaim remaining heat.

In order to ensure drying effect, we can adopt the series connection of organizing horizontal drying units and the vertical drying unit of many groups to use more, promptly the dry moulded coal that obtains from vertical drying unit blanking port 26 can be carried out the redrying processing from newly entering horizontal drying unit or vertical drying unit.

More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.

Claims

1. the combination drying plant of a moulded coal, it comprises horizontal drying unit, vertical drying unit, it is characterized in that, also comprises transmission unit, wherein,

It also comprises the control module in order to control oven dry process.

2. the combination drying plant of a kind of moulded coal according to claim 1, the hot-wind inlet of described vertical drying furnace body, one is arranged at the top of described vertical drying furnace body, other has hot-wind inlet to be arranged at the bottom of described vertical drying furnace body, is provided with the humidity discharging pipe in the stage casing of described vertical drying furnace body.

3. the combination drying plant of a kind of moulded coal according to claim 1, described transmission unit are the chain type conveyer or are belt conveyor.

4. the combination drying plant of a kind of moulded coal according to claim 1 and 2, described control module comprises, humidity sensor, processor, wind speed adjustment control and driving motor rotational speed governor, described humidity sensor is arranged at, the feeding mouth place of horizontal drying machine and discharging opening place, and link to each other with processor, described wind speed adjustment control is arranged at the air intake passage place and the hot-wind inlet place, vertical drying unit of horizontal drying unit, described driving motor rotational speed governor is arranged in order on the motor of controlling the transport tape rotating speed, and described wind speed adjustment control and driving motor rotational speed governor all are connected with processor.

5. the combination drying plant of a kind of moulded coal according to claim 4, described processor is computer or single-chip microcomputer.

6. the combination drying plant of a kind of moulded coal according to claim 1 and 2, described hot-blast stove has a plurality of air outlets and links to each other with described horizontal drying unit air intake passage or horizontal drying unit hot-wind inlet respectively, described hot-blast stove also includes a plurality of air inlets, links to each other with horizontal drying unit humidity discharging pipe or horizontal drying unit air exhaust passage respectively.

7. the combination drying plant of a kind of moulded coal according to claim 1, described vertical drying unit or horizontal drying unit are that a plurality of series connection are used.