CN201285203Y - Dehumidifying and drying apparatus for explosive powder of firecracker - Google Patents
Dehumidifying and drying apparatus for explosive powder of firecracker Download PDFInfo
- Publication number
- CN201285203Y CN201285203Y CNU2008200542132U CN200820054213U CN201285203Y CN 201285203 Y CN201285203 Y CN 201285203Y CN U2008200542132 U CNU2008200542132 U CN U2008200542132U CN 200820054213 U CN200820054213 U CN 200820054213U CN 201285203 Y CN201285203 Y CN 201285203Y
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- air
- dewetting
- medicinal powder
- drying unit
- container
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Abstract
The utility model relates to a fireworks powder dewetting and drying device comprising an air-dewetting part and an air-drying part which are connected in series, wherein the air-dewetting part is arranged in front, and the air-drying part is connected in series behind the air-dewetting part; the air-drying part is a drying device using a semiconductor PTC heating sheet as a heating body, the semiconductor PTC heating sheet is arranged at the outlet of the air-drying part, and the air inlet of the air-drying part is connected with the air outlet of the air-dewetting part by an air duct which is connected in series with a blower conveying dewetted air.
Description
Technical field
The utility model relates to a kind of dehumidifying drying device of dangerous dust.Refer in particular to the dehumidifying drying device of fireworks gunpowder in machining process, be mainly used in the fireworks process of manufacture dehumidifying drying medicinal powder.
Background technology
In the process of manufacture of fireworks, in order to guarantee the quality of fireworks, must be before perfusion carry out dehumidifying drying and handle, the effect when guaranteeing that fireworks is seted off the medicinal powder of fireworks.At present, be used for the mode that the medicinal powder to fireworks carries out dehumidifying drying in production process and mainly contain dual mode:
One, with conventional coal or oil or natural gas boiler generation steam, send into the production place by the steam pipe line system again, heat exchanger, by the oven dry of the vapours in heat exchanger heat exchanger tube wall, carry out heat exchange by the air in heat exchanger tube wall loses heat gas and production site medicinal powder dehumidifying drying chamber or the container again, the wet steam in the medicinal powder is removed with this.There are several shortcomings in this structure:
1, cost height: owing to be to adopt pipeline system to carry hot-air, therefore must be from the boiler room to workshop pipeline installation system.And owing to be the hazardous area, the boiler room must guarantee with workshop certain distance is arranged, and therefore, its steel consumption amount is big, the whole system complexity, and boiler and conveyance conduit cost thereof are very high, and the effect of dehumidifying is not fine.
2, energy waste is serious, and the environmental protection influence is big: because the mode drying dehumidification of employing coal or oil, gas firing, its thermal efficiency is low, send heat pump also can waste electric energy to the conveying of vapours, and the waste gas, the waste residue that produce can influence environment.
3, damage in boilers, water pipe from freezing crack etc. can cause serious accident.
Two, the mode with the heating of common electrical heat pipe produces hot-air, sends in production site medicinal powder dehumidifying drying chamber or the container again, and medicinal powder is carried out dehumidifying drying.This mode utilizes conventional electric drying mode to come medicinal powder is carried out dehumidifying drying.There is following shortcoming in such electric drying mode:
1, the thermal efficiency is low, and energy waste is bigger: owing to be that resistance produces heat energy after by electric current and heats the air dewetting oven dry, the temperature during the resistance wire heating is very high, generally will reach more than 800 ℃, and medicinal powder meets with it and blasts being easy to.In order to guarantee that safety must guarantee that there is certain distance in electric heating device and workshop, be transported to the workshop by pipeline again, heat loss is very serious in the course of conveying of hot-air like this, has a big chunk heat to carry by pipeline and is dispersed in the air, so using energy source is not high.
2, security, reliability are not high: because the surface temperature of resistance drying mode heating wire is very high, will produce spark or blast as long as run into fireworks or firecrackers medicinal powder above dropping on, even if electro-heat equipment is away from production site, but have medicinal powder unavoidably and pass to the electro-heat equipment place, be easy to occur security incident by air.
3, maintenance capacity is big: in the resistance heating process, and its heating wire part heating temp height (800-900 ℃), oxidation easily, so service life is short, maintenance capacity is big.
Therefore necessary this is improved.
The utility model content
In the process of manufacture of the utility model at existing fireworks, the deficiency of medicinal powder dehumidifying drying mode, it is higher to propose a kind of thermal efficiency, and cost is low, and safeguard and change conveniently, and the medicinal powder dehumidifying drying device of the novel fireworks of security reliability.
Utility model purpose of the present utility model is achieved through the following technical solutions.A kind of medicinal powder dehumidifying drying device of fireworks is made up by the mode of dehumidifying part and the operation of oven dry part direct serial, and the medicinal powder of fireworks dehumidified and dries by send into dry air in dehumidifying drying chamber or container.Described fireworks gunpowder dehumidification drying unit comprises an air dewetting part and an air oven dry part at least, and air dewetting part and air oven dry portion are serially connected in two sub-sections, wherein, the air dehumidifier part is preceding, and the air drying unit partly is serially connected in after the air dehumidifier part.Described air dewetting part can be any one dehydrating unit of cooling and dehumidifying or adsorption and dehumidification, but moisture removal need match with the space size of medicinal powder dehumidifying drying chamber or container.Described air oven dry part is the drying unit of heater for the sheet that generates heat with semiconductor PTC.Semiconductor PTC heating sheet can be PTC sheet metal or ceramic heat plate, and the heating temp of semiconductor PTC heating sheet is below 200 ℃.Semiconductor PTC heating sheet places the exit of oven dry part, and the air intake vent of air oven dry part links to each other by airduct with the air outlet of air dewetting part.In the airduct that the air intake vent of the air outlet of air dewetting part and air oven dry part links to each other, be serially connected with the blower fan of air after transmitting dehumidifying.Described blower fan can axial flow blower or centrifugal blower.
The utlity model has following advantage:
1, small investment: because the utility model adopts conventional cooling and dehumidifying or adsorption and dehumidification, and when drying air, use semiconductor PTC heating original paper, without boiler oven dry and auxiliary equipment, the 50%-30% that its investment is only dried for original steam.
2, energy savings: the relative jet chimney oven dry of electromagnetic drying, energy-saving effect can reach more than 50%; Can economize on electricity more than 30% with respect to the resistance drying mode.
3, safe and reliable: because what adopt is semiconductor PTC heating original paper, and the control heating temp is below 200 ℃, and its heater element surface temperature does not reach the temperature that fires, and does not therefore have security incident hidden danger.
Description of drawings
Fig. 1 is the system architecture schematic diagram of the utility model in actual industrial and mineral place;
Fig. 2 is a theory structure schematic diagram of the present utility model.
The specific embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Embodiment one
From accompanying drawing as can be seen, the utility model is a kind of dehumidifying drying device of fireworks gunpowder, outside medicinal powder dehumidifying drying chamber or container, adopt one and both can dehumidify, the dehumidifying drying device that can dry again passes through to carry the dry air that also heats after the dehumidifying directly to the medicinal powder dehumidifying drying in dehumidifying drying chamber or the container.Described dehumidifying drying device is to be made of the be serially connected mode of combination operation of dehumidifying part and oven dry part, and the medicinal powder of fireworks dehumidified and dries by send into the freeze-day with constant temperature air in medicinal powder dehumidifying drying chamber or container.Described fireworks gunpowder dehumidification drying unit comprises an air dewetting part 1 and an air oven dry part 2 at least, and air dewetting part 1 and 2 two parts of air oven dry part are serially connected, wherein, air dewetting part 1 is preceding, and air oven dry part 2 is serially connected in after the air dewetting part 1; The outlet of air oven dry part 2 is communicated with by pipeline 7 with the interior space 4 of medicinal powder dehumidifying drying chamber or container 3, and the inlet of air dewetting part 1 is communicated with by pipeline 8 with the inner space 4 of medicinal powder dehumidifying drying chamber or container 3 or directly communicates with outdoor 5.Optimum efficiency is that the interior space 4 of medicinal powder dehumidifying drying chamber or container is enclosure space, the interior space 4 of the inlet of air dewetting part 1 and medicinal powder dehumidifying drying chamber or container 3 is by 7 airtight connections of pipeline, the interior space 4 of the outlet of air drying unit part 2 and medicinal powder dehumidifying drying chamber or container 3 makes medicinal powder dehumidifying drying chamber or container 3 and the utility model form an enclosure space system by 8 airtight connections of pipeline.Described air dewetting part 1 can be the dehydrating unit of any one big load of cooling and dehumidifying or adsorption and dehumidification, but moisture removal need match with the interior space 4 sizes of medicinal powder dehumidifying drying chamber or container 3.Described air oven dry part 2 is the drying unit of heater for the sheet 6 that generates heat with semiconductor PTC.Semiconductor PTC heating sheet 6 can be ceramic PTC heating board or metal PTC heating board.Semiconductor PTC heating sheet 6 places the exit 9 of heating part.The air intake vent 10 of air heat part 2 links to each other by airduct 12,16 with the air outlet 11 of air dewetting part 1, is serially connected with the blower fan 13 that transmits dehumidifying back air in the air outlet 11 of air dewetting part 1 and airduct 12 that the air intake vent 10 of air heat part 2 links to each other.Described blower fan 13 can axial flow blower or centrifugal blower.Air outlet in the air heat part also is provided with the temperature sensor that is used to control outlet temperature, is provided with control system on the top of whole device, guarantees that by electric control system semiconductor PTC heating sheet 6 is in temperature constant state.
Working method of the present utility model is: medicinal powder 15 is put on the workbench 14 of the interior space 4 of medicinal powder dehumidifying drying chamber or container 3, restart medicinal powder dehumidifying drying device, the interior space 4 of past medicinal powder dehumidifying drying chamber or container 3 is sent into dry air, and stir medicinal powder 15 in good time, after making the abundant drying of medicinal powder, can carry out the medicine can, medicinal powder be poured in the container of packing medicinal powder of fireworks.
Claims (8)
1, a kind of fireworks gunpowder dehumidification drying unit, at least comprise an air dewetting part (1) and an air oven dry part (2), it is characterized in that: air dewetting part (1) and (2) two parts of air oven dry part are serially connected, wherein, air dewetting part (1) is preceding, and air oven dry part (2) is serially connected in air dewetting part (1) afterwards.
2, fireworks gunpowder dehumidification drying unit as claimed in claim 1, it is characterized in that: the outlet of described air oven dry part (2) is communicated with by pipeline (7) with the interior space (4) of medicinal powder dehumidifying drying chamber or container (3), and the inlet of air dewetting part (1) is communicated with by pipeline (8) with the interior space (4) of medicinal powder dehumidifying drying chamber or container (3) or directly communicates with outdoor (5).
3, fireworks gunpowder dehumidification drying unit as claimed in claim 2, it is characterized in that: the interior space (4) of described medicinal powder dehumidifying drying chamber or container is enclosure space, the inlet of air dewetting part (1) and the interior space (4) of medicinal powder dehumidifying drying chamber or container (3) be by airtight connection of pipeline (7), the air drying unit partly the interior space (4) of outlet and the medicinal powder dehumidifying drying chamber or the container (3) of (2) by airtight connection of pipeline (8).
4, fireworks gunpowder dehumidification drying unit as claimed in claim 1, it is characterized in that: described air dewetting part (1) can be the dehydrating unit of any one big load of cooling and dehumidifying or adsorption and dehumidification, but moisture removal need match with the interior space (4) size of medicinal powder dehumidifying drying chamber or container (3).
5, fireworks gunpowder dehumidification drying unit as claimed in claim 1 is characterized in that: described air oven dry part (2) is the drying unit of heater for the sheet (6) that generates heat with semiconductor PTC; Semiconductor PTC heating sheet (6) places the exit (9) of heating part.
6, fireworks gunpowder dehumidification drying unit as claimed in claim 5 is characterized in that: described semiconductor PTC heating sheet (6) can be ceramic PTC heating board or metal PTC heating board.
7, fireworks gunpowder dehumidification drying unit as claimed in claim 1, it is characterized in that: the air intake vent (10) of described air heat part (2) links to each other by airduct (12) with the air outlet (11) of air dewetting part (1), in the air outlet (11) of air dewetting part (1) and the air heat airduct (12) that partly air intake vent (10) of (2) links to each other, be serially connected with transmission dehumidify after the blower fan (13) of air.
8, fireworks gunpowder dehumidification drying unit as claimed in claim 7 is characterized in that: described blower fan (13) is axial flow blower or centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200542132U CN201285203Y (en) | 2008-08-22 | 2008-08-22 | Dehumidifying and drying apparatus for explosive powder of firecracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200542132U CN201285203Y (en) | 2008-08-22 | 2008-08-22 | Dehumidifying and drying apparatus for explosive powder of firecracker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285203Y true CN201285203Y (en) | 2009-08-05 |
Family
ID=40950189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200542132U Expired - Fee Related CN201285203Y (en) | 2008-08-22 | 2008-08-22 | Dehumidifying and drying apparatus for explosive powder of firecracker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285203Y (en) |
-
2008
- 2008-08-22 CN CNU2008200542132U patent/CN201285203Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20100822 |