CN100436383C - Heat pump type method and equipment for drying gun powder - Google Patents

Heat pump type method and equipment for drying gun powder Download PDF

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Publication number
CN100436383C
CN100436383C CNB2007100273808A CN200710027380A CN100436383C CN 100436383 C CN100436383 C CN 100436383C CN B2007100273808 A CNB2007100273808 A CN B2007100273808A CN 200710027380 A CN200710027380 A CN 200710027380A CN 100436383 C CN100436383 C CN 100436383C
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CN
China
Prior art keywords
hand
airduct
held basketwork
basketwork brazier
air
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Expired - Fee Related
Application number
CNB2007100273808A
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Chinese (zh)
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CN101050155A (en
Inventor
陈伟民
李贵阳
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Chen Weimin
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KEWEI ELECTRICAL CO Ltd GUANGZHOU CITY
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Application filed by KEWEI ELECTRICAL CO Ltd GUANGZHOU CITY filed Critical KEWEI ELECTRICAL CO Ltd GUANGZHOU CITY
Priority to CNB2007100273808A priority Critical patent/CN100436383C/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Drying Of Solid Materials (AREA)

Abstract

This invention relates to method and apparatus for drying gunpowder. The method comprises: dehumidifying and drying air by a heat pump, heating, sending dried hot air by a blower through a wind pipe into the bottom of the drier in a drying room, diffusing upward, placing fireworks and gunpowder in the drier, drying fireworks and gunpowder by dried hot air, and exhausting moisture through a moisture exhaust window at the top of the drying room. The adoption of heat pump to heat and dry air has such advantages as high safety, high drying speed, high drying efficiency, and saved energy.

Description

Heat pump type powder drying method and device
Technical field
Heat pump type powder drying method and device of the present invention belongs to dry field, particularly relates to a kind of furnace drying method and device of gunpowder.
Background technology
In the fireworks production process, need dry processing to fireworks powder, what generally adopt now is to produce steam with boiler, carry out drying with pipeline input drying room, gunpowder produces explosive incident in the course of processing in order to prevent to dry, temperature in the processing requirement regulation drying room of oven dry processing can not be higher than 60 ℃, but since use be Boiler Steam as dry heat energy, the vapor temperature height causes the temperature in the drying room to be higher than 80 ℃ easily, dangerous, the time of oven dry is long, and efficient is low, and steam thermal energy passes to air in the room by pipeline, air its heat major part in the natural convection process has been passed to ground, wall and roof, small part heating gunpowder is taken away the moisture in the fireworks powder, and for keeping the temperature of air in the gunpowder drying room, drying room is airtight, air is along with the steam of gunpowder moisture content in the room, relative humidity can be more and more big, so the speed of gunpowder moisture evaporation is slow, generally needs 2-3 days, power consumption is big, the expense cost height.
Summary of the invention
The objective of the invention is to avoid the deficiencies in the prior art part and provide a kind of safe and reliable, meet the safety in production requirement, drying rate is fast, efficient height, the heat pump type powder drying method and device of save energy.
The objective of the invention is to reach by following measure, it is to utilize the exsiccant hot blast to dry fireworks powder, air carries out removal moisture drying through heat pump, and heat temperature raising, temperature can be at 30-70 ℃, blower fan delivers into drying room with the exsiccant hot blast through airduct, be provided with hand-held basketwork brazier in the drying room, hand-held basketwork brazier is made up of hand-held basketwork brazier seat and baking lattice, and the exsiccant hot blast is upward through the baking lattice from the bottom of hand-held basketwork brazier, in the baking lattice, place fireworks powder, the exsiccant warm air is through fireworks powder, and the heat major part is absorbed by gunpowder, takes away the moisture in the fireworks powder, top at drying room is provided with moistureproof window, and moisture is discharged drying room from moistureproof window.Adopt the heat pump dry air, electrothermal efficiency is controlled in the national standard up to the temperature that 200-300% can guarantee to enter the heated drying air of drying room, thoroughly solved the danger of gunpowder generation blast in the oven dry course of processing, drying rate is fast, because the exsiccant warm air is upward through hand-held basketwork brazier from the bottom of hand-held basketwork brazier, fireworks powder in the hand-held basketwork brazier contacts with the mobile dry-heat air all the time, and moisture is constantly discharged drying room by the mobile dry-heat air from moistureproof window and taken away the efficient height.
Blower fan of the present invention adopts centrifugal blower, force the exsiccant warm air is delivered into drying room through airduct, blower fan with the exsiccant warm air with the 1200-2000 cubic meter/hour air quantity, deliver into drying room by airduct, guarantee that warm air has stronger flowability.
Be provided with hand-held basketwork brazier in the drying room of the present invention, hand-held basketwork brazier is made up of hand-held basketwork brazier seat and baking lattice, the baking lattice are placed on the hand-held basketwork brazier seat, the hand-held basketwork brazier seat is connected on the airduct, top at drying room is provided with moistureproof window, and the exsiccant warm air enters the hand-held basketwork brazier seat by airduct, be upward through hand-held basketwork brazier from the bottom of hand-held basketwork brazier after, discharge from the top moistureproof window, keep the drying in the drying room.
Airduct one end of the present invention links to each other with blower fan, the other end is arranged in the drying room, airduct is provided with air outlet, hand-held basketwork brazier is installed on the air outlet on the airduct, airduct is provided with one or more air outlets, for the air output that guarantees the airduct air outlet consistent with air-out speed, the sectional area of airduct blast inlet one end greater than with the sectional area of air outlet one end, the sectional area of airduct diminishes gradually.
Hand-held basketwork brazier of the present invention is made up of hand-held basketwork brazier seat and baking lattice, the baking lattice can be made up of one or more baking lattice, baking lattice mutual superposition, the baking lattice are frameworks, are provided with support bar and screen cloth in the bottom of framework, are provided with sealed strip in the framework upper surface, during the stack of baking lattice, sealed strip can play the effect of sealing, prevents that exsiccant warm air side direction runs off, and improves the utilization ratio of heat energy.
The present invention can be provided with the auxiliary air heating unit in air admission heat pump process, when air themperature is lower than 15 ℃, utilize the auxiliary air heating unit that air themperature is heated, to guarantee heat pump frost-free and operation continuously.
Hand-held basketwork brazier of the present invention and airduct adopt the bamboo and wood material to make, and as timber, can not produce static or collision and produce spark.Also can adopt fire-retardant filamentary material to make.
The present invention has guaranteed safety in production fully, meets requirement of safe production, and rate of drying is fast, the drying efficiency height, and save energy effectively reduces cost, is a kind of novel heat-pump-type drying gun powder method and apparatus.
Description of drawings
Accompanying drawing 1 is a heat-pump-type drying gun powder method flow synoptic diagram of the present invention.
Accompanying drawing 2 is heat-pump-type drying gun powder drying room plot plans of the present invention.
Accompanying drawing 3 is hand-held basketwork brazier structural representations of the present invention.
Accompanying drawing 4 is baking lattice structure synoptic diagram of the present invention.
Accompanying drawing 5 is airduct structural representations of the present invention.
Accompanying drawing 6 is hand-held basketwork brazier holder structure synoptic diagram of the present invention.
The structural representation of accompanying drawing 7 heat pumps.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As accompanying drawing 1, shown in the accompanying drawing 2, the present invention is by heat pump 13, centrifugal blower 12, airduct 14, drying room 15, hand-held basketwork brazier 16 is formed, heat pump is connected on the centrifugal blower, centrifugal blower be assembled in the heat pump machine or the heat pump machine outside, the centrifugal blower outlet links to each other with airduct one end, the airduct the other end is in drying room, airduct is connected on the hand-held basketwork brazier seat of hand-held basketwork brazier, airduct is provided with air outlet, the sectional area of airduct blast inlet one end greater than with the sectional area of air outlet one end, the sectional area of airduct diminishes gradually, hand-held basketwork brazier is arranged on the air outlet of airduct, airduct is provided with an above air outlet, on each air outlet, hand-held basketwork brazier is set, hand-held basketwork brazier is made up of hand-held basketwork brazier seat and baking lattice, the baking lattice are placed on the hand-held basketwork brazier seat, the hand-held basketwork brazier seat is connected on the airduct, and the baking lattice are by one or more baking lattice mutual superposition, and the baking lattice are frameworks, be provided with support bar and screen cloth in the bottom of framework, be provided with sealed strip in the framework upper surface, air carries out drying through heat pump, is warming up to 40-60 ℃ through heat pump, centrifugal blower with the exsiccant warm air with 1200-2000 cubic meter per hour/hour air quantity, deliver into drying room by airduct, the exsiccant warm air is upward through hand-held basketwork brazier from the bottom of hand-held basketwork brazier, places fireworks powder in hand-held basketwork brazier, the exsiccant warm air is through fireworks powder, take away the moisture in the fireworks powder, be provided with 2 moistureproof windows at the top of drying room, moisture is discharged drying room from moistureproof window.
Shown in accompanying drawing 3, accompanying drawing 4, hand-held basketwork brazier of the present invention is made up of hand-held basketwork brazier seat 3 and baking lattice 1, the hand-held basketwork brazier seat is connected on the airduct, the baking lattice are placed on the hand-held basketwork brazier seat, by one or more baking lattice mutual superposition together, airduct penetrates the hand-held basketwork brazier seat, and airduct 14 is provided with air outlet, and the hand-held basketwork brazier seat is installed on the air outlet on the airduct.The baking lattice are wooden frames, and support bamboo bar 2 is set in the bottom of wooden frame, are equipped with screen cloth 4 on support bamboo bar, in the framework upper surface, be provided with sealed strip 5, during the stack of baking lattice, sealed strip can play the effect of sealing, prevent that the exsiccant warm air runs off, and improves the utilization ratio of heat energy.
As shown in Figure 5, the present invention's airduct 14 is provided with air outlet, and airduct is provided with three and discharges air ports, the sectional area of airduct blast inlet one end greater than with the sectional area of air outlet one end, the sectional area of airduct diminishes gradually, guarantees that the air output of airduct air outlet is consistent with air-out speed.
As shown in Figure 6, hand-held basketwork brazier seat 3 of the present invention is open boxes, places the baking lattice on uncovered, and the hand-held basketwork brazier seat is provided with the airduct inlet, and airduct penetrates the hand-held basketwork brazier seat, and the hand-held basketwork brazier seat is installed on the air outlet on the airduct.
As shown in Figure 7, heat pump is made up of compressor, vaporizer, condenser, the back that is provided with pre-hot heater 8, condenser 11 in the front of vaporizer 10 is provided with auxiliary heater 9, through the heated dry air of condenser heating by centrifugal blower 12 with 1200-2000 cubic meter per hour/hour air quantity, deliver into airduct.

Claims (9)

1, a kind of heat-pump-type drying gun powder method, it is characterized in that air carries out drying through heat pump, heat up through heat pump, blower fan delivers into drying room with the exsiccant warm air through airduct, be provided with hand-held basketwork brazier in the drying room, the hand-held basketwork brazier setting is installed on the airduct, and the exsiccant warm air is upward through hand-held basketwork brazier from the bottom of hand-held basketwork brazier, places fireworks powder in hand-held basketwork brazier.
2, heat-pump-type drying gun powder method according to claim 1, it is characterized in that air heats up through the heat pump post-heating, temperature is at 30-70 ℃, blower fan adopts centrifugal blower, pressure delivers into drying room with the exsiccant warm air through airduct, air with the 1200-2000 cubic meter/hour air quantity, deliver into drying room by airduct.
3, heat-pump-type drying gun powder method according to claim 1 is characterized in that being provided with moistureproof window at the top of drying room, and moisture is discharged drying room from moistureproof window.
4, heat-pump-type drying gun powder method according to claim 1 is characterized in that utilizing the auxiliary air heating unit that air themperature is heated in air admission heat pump process.
5, heat-pump-type drying gun powder method according to claim 1, it is characterized in that airduct one end links to each other with blower fan, the other end is arranged in the drying room, and airduct is provided with air outlet, and hand-held basketwork brazier is installed on the air outlet on the airduct, the sectional area of airduct blast inlet one end greater than with the sectional area of air outlet one end, the sectional area of airduct diminishes gradually, and hand-held basketwork brazier is made up of hand-held basketwork brazier seat and baking lattice, and the baking lattice are placed on the hand-held basketwork brazier seat, the hand-held basketwork brazier seat is connected on the airduct, and the baking lattice are made up of one or more baking lattice.
6, a kind of heat-pump-type drying gun powder device is characterized in that by heat pump blower fan, airduct, hand-held basketwork brazier is formed, and heat pump is connected on the blower fan, blower fan links to each other with airduct one end, and airduct is connected on the hand-held basketwork brazier, and airduct is provided with air outlet, hand-held basketwork brazier is arranged on the air outlet of airduct, air carries out drying through heat pump, heats up through heat pump, and blower fan delivers into drying room with the exsiccant warm air through airduct, be provided with hand-held basketwork brazier in the drying room, the exsiccant warm air is upward through hand-held basketwork brazier from the bottom of hand-held basketwork brazier.
7, heat-pump-type drying gun powder device according to claim 6, the sectional area that it is characterized in that airduct blast inlet one end greater than with the sectional area of air outlet one end.
8, heat-pump-type drying gun powder device according to claim 6, it is characterized in that hand-held basketwork brazier by the hand-held basketwork brazier seat and the baking lattice form, the baking lattice are placed on the hand-held basketwork brazier seat, the hand-held basketwork brazier seat is connected on the airduct, the baking lattice are frameworks, in the bottom of framework the support bar are set, and are equipped with screen cloth on support bamboo bar, the framework end face is provided with sealed strip, and the baking lattice are made up of one or more baking lattice.
9, heat-pump-type drying gun powder device according to claim 6 is characterized in that being provided with moistureproof window at the top of drying room.
CNB2007100273808A 2007-03-29 2007-03-29 Heat pump type method and equipment for drying gun powder Expired - Fee Related CN100436383C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007100273808A CN100436383C (en) 2007-03-29 2007-03-29 Heat pump type method and equipment for drying gun powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007100273808A CN100436383C (en) 2007-03-29 2007-03-29 Heat pump type method and equipment for drying gun powder

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CN101050155A CN101050155A (en) 2007-10-10
CN100436383C true CN100436383C (en) 2008-11-26

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CNB2007100273808A Expired - Fee Related CN100436383C (en) 2007-03-29 2007-03-29 Heat pump type method and equipment for drying gun powder

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5279678B2 (en) 2009-10-19 2013-09-04 本田技研工業株式会社 Portable work machine
CN108398060A (en) * 2018-05-12 2018-08-14 浏阳市鸿安机械制造有限公司 Firework powder dryer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2069992U (en) * 1989-10-16 1991-01-23 北京林业大学森工系 Hot pump dehumidifier
WO1999019675A1 (en) * 1997-10-09 1999-04-22 Ebara Corporation Dehumidifying air conditioner
WO1999026026A1 (en) * 1997-11-16 1999-05-27 Drykor Ltd. Dehumidifier system
CN2494965Y (en) * 2001-08-31 2002-06-12 贾凡 Powder dryer
WO2002093081A1 (en) * 2001-05-16 2002-11-21 Ebara Corporation Dehumidifier
WO2004029516A1 (en) * 2002-09-26 2004-04-08 Matsushita Electric Industrial Co., Ltd. Drying apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2069992U (en) * 1989-10-16 1991-01-23 北京林业大学森工系 Hot pump dehumidifier
WO1999019675A1 (en) * 1997-10-09 1999-04-22 Ebara Corporation Dehumidifying air conditioner
WO1999026026A1 (en) * 1997-11-16 1999-05-27 Drykor Ltd. Dehumidifier system
WO2002093081A1 (en) * 2001-05-16 2002-11-21 Ebara Corporation Dehumidifier
CN2494965Y (en) * 2001-08-31 2002-06-12 贾凡 Powder dryer
WO2004029516A1 (en) * 2002-09-26 2004-04-08 Matsushita Electric Industrial Co., Ltd. Drying apparatus

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C06 Publication
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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Changsha Czech Automation System Co., Ltd.

Assignor: Kewei Electrical Co., Ltd., Guangzhou City

Contract fulfillment period: 2009.2.5 to 2012.2.4 contract change

Contract record no.: 2009430000044

Denomination of invention: Heat pump type method and equipment for drying gun powder

Granted publication date: 20081126

License type: Exclusive license

Record date: 2009.6.24

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.5 TO 2012.2.4; CHANGE OF CONTRACT

Name of requester: CHANGSHA CITY JIELING AUTOMATION SYSTEM CO., LTD.

Effective date: 20090624

DD01 Delivery of document by public notice

Addressee: Chen Weimin

Document name: Review of business letter

ASS Succession or assignment of patent right

Owner name: CHEN WEIMIN

Free format text: FORMER OWNER: KEWEI ELECTRICAL CO., LTD., GUANGZHOU CITY

Effective date: 20101026

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 511400 417, INNOVATION BUILDING, ENERGY-SAVING SCIENCE PARK, YINGBIN ROAD, FANYU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE TO: 511400 NO.20, QIAOHONGHUAYUAN STREET 3, FUYI ROAD, FANYU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20101026

Address after: 511400, No. 20, Third Street, Rainbow Garden, Fu Yi, Guangzhou, Guangdong, Panyu District, Luqiao

Patentee after: Chen Weimin

Address before: 511400 innovation building, Yingbin Road energy saving science and Technology Park, Guangzhou, Guangdong, 417, Panyu District

Patentee before: Kewei Electrical Co., Ltd., Guangzhou City

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081126

Termination date: 20160329

CF01 Termination of patent right due to non-payment of annual fee