CN201285158Y - Hot-air furnace - Google Patents
Hot-air furnace Download PDFInfo
- Publication number
- CN201285158Y CN201285158Y CNU2008202019479U CN200820201947U CN201285158Y CN 201285158 Y CN201285158 Y CN 201285158Y CN U2008202019479 U CNU2008202019479 U CN U2008202019479U CN 200820201947 U CN200820201947 U CN 200820201947U CN 201285158 Y CN201285158 Y CN 201285158Y
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- feeding
- auxiliary reclay
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Abstract
The utility model relates to a hot blast furnace used for grain drying, which comprises a burning automatic control circuit connected with a feeding variable-speed motor of a feeding device, a feeding blower, a hot-air exhaust fan, a booster pump and a smoke-emission centrifugal blower circuit, wherein a feeding pipe of the feeding device is connected with a combustion chamber, and a ventilating pipe chamber is arranged at the upper part of the combustion chamber. A smoke emission pipe of the combustion chamber is connected with a water curtain smoke dust removal box, and the water curtain smoke dust removal box is connected with a smoke-emission centrifugal blower; the feeding blower is arranged at the lower end of the feeding pipe; and a plurality of transverse cellular heating ventilating pipes are arranged in the ventilating pipe chamber. The utility model has the advantages that the feeding design and the air supply design in the fuel feeding are reasonable, transverse and dense ventilating pipe bodies are directly heated by fire, so that the temperature quickly rises when the air passes through the pipeline, and the utility model has high hot-blast rate and good combustible effect and is effective and energy-saving.
Description
Technical field
The utility model relates to a kind of hot blast generation equipment, specifically a kind of hot-blast stove that is used for grain-drying.
Background technology
At present, grain-drying equipment has diesel oil or the drying machine of husk fuel for burning, and thinks the husk hot-blast stove of husk fuel, mostly adopts traditional upright tubular boiler, mainly is made up of pay-off, combustion chamber, warm-air pipe, temperature control circuit.Its deficiency is that conventional boiler is to adopt logical fire heating in the pipe, so occur empty the burning easily, has quickened the ager process of pipeline.The combustion chamber does not have automatic afterflame function after constant temperature is ceased fire.Supply with in the fuel in the combustion chamber, feeding and air-supply design are unreasonable, do not reach the best combustion effect, and energy charge is with high.
The utility model content
Technical problem to be solved: in order to overcome the prior art deficiency, the utility model provides in a kind of supply fuel feeding and air-supply reasonable in design, stove fire directly heats the heating power ventilation body of horizontally-arranged honeycomb fashion, quick heating when making heating power ventilate by pipeline, hot blast rate is big, combustion efficiency is good, energy-efficient hot-blast stove.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of hot-blast stove, comprise the burning automatic control circuit that is connected with feeding viarable speed motor, feeding air blast, hot air draft machine, pressure pump, the smoking centrifugal blower circuit of pay-off, the feed pipe of pay-off is connected with the combustion chamber, and top, combustion chamber is provided with the ventilation duct chamber.The smoke extracting tube of combustion chamber is connected with water curtain smoke abatement case, and water curtain smoke abatement case is connected with the smoking centrifugal blower by pipe; Described feed pipe lower end is provided with the feeding air blast; Described ventilation duct is indoor to be provided with some horizontally-arranged honeycomb fashion heating power ventilation ducts.
Following on the described ventilation duct chamber to be provided with an end be the air inlet duct that the air inlet other end is communicated with the heating power ventilation duct, and the hot air draft machine is located on the hot-blast outlet of heating power ventilation duct.
Described pay-off top is drain hopper, and box is changeed in the feeding that the drain hopper lower end connects on the feeding viarable speed motor, and feeding is changeed the box lower end and established feed pipe.
Do the interval with the dedusting filter screen in the water curtain smoke abatement case and be divided into filtered water tank and smoke abatement water tank.The water curtain sprinkler head is located at the top in the smoke abatement water tank, and is located between pipe interface and the smoke extracting tube interface.Pressure pump is located at bottom in the smoke abatement water tank, and the pressure pump drinking-water pipe is connected with the water curtain sprinkler head, and the pressure pump water inlet is located in the filtered water tank.
Described water curtain sprinkler head is established two, and with space bar two water curtain sprinkler heads is separated at interval.
The A.C. contactor A1 end of the hot air draft machine of described burning automatic control circuit is connected with temperature control operating contact A end, the A2 end is connected with zero-power line N.
Temperature control operating contact B end is connected with B1, B2, B3, B4, B5, B6 end.
Time relay sj electromagnetism actuating coil one end is connected with temperature control operating contact B end, and the other end is connected with zero-power line N.
Auxiliary reclay CJ1 electromagnetism actuating coil one end is connected with the B1 end, and the other end is connected with zero-power line N.
Auxiliary reclay CJ2 electromagnetism actuating coil one end is connected with the normally opened contact SJ1 of time relay sj, and the normally opened contact SJ2 of time relay sj connects with the B2 end, and the auxiliary reclay CJ2 electromagnetism actuating coil other end is connected with zero-power line N.
Feeding viarable speed motor circuit one end is connected with the normally opened contact CJ2-2 of auxiliary reclay CJ2, and the normally opened contact CJ2-1 of auxiliary reclay CJ2 connects with the B3 end, and the feeding viarable speed motor circuit other end is connected with zero-power line N.
Feeding blower circuit one end is connected with the normally opened contact CJ2-4 of auxiliary reclay CJ2, and the normally opened contact CJ2-3 of auxiliary reclay CJ2 connects with the B4 end, and the feeding blower circuit other end is connected with zero-power line N.
Smoking centrifugal blower circuit one end is connected with the normally opened contact CJ1-2 of auxiliary reclay CJ1, and the normally opened contact CJ1-1 of auxiliary reclay CJ1 connects with the B5 end, and the smoking centrifugal blower circuit other end is connected with zero-power line N;
Pressure pump circuit one end is connected with the normally opened contact CJ1-4 of auxiliary reclay CJ1, and the normally opened contact CJ1-3 of auxiliary reclay CJ1 connects with the B6 end, and the pressure pump circuit other end is connected with zero-power line N.
When dropping to, bake out temperature sets down in limited time, the closed work of temperature control operating contact AB, and time relay sj, auxiliary reclay CJ1 start working, auxiliary reclay CJ1 normally opened contact closure, smoking centrifugal blower, pressure pump work.
Closed after the time relay sj time-delay reaches setting-up time, auxiliary reclay CJ2 work, auxiliary reclay CJ2 normally opened contact closure, feeding viarable speed motor, the work of feeding air blast.
The utility model contrast prior art has following advantage:
The utility model is designed to the full-automatic mechanical-type feed appliance and air blast is that fuel is supplied with in the combustion chamber.Can regulate feeding and air output according to stove internal combustion situation, to reach the best combustion effect.Increase and designed the control program technology of staggering the time, guaranteed the afterflame function of combustion chamber after constant temperature is ceased fire.Adopt circulating water curtain smoke abatement water tank, and adopt rear-mounted smoke extractor, the clarifying smoke rate reaches more than 95%.
Following on the ventilation duct chamber to be provided with an end be the air inlet duct that the air inlet other end is communicated with the heating power ventilation duct, and the first combustor outer casing that passes through of air intake not only plays heat-blocking action but also pre-heat effect is arranged.The heating power ventilation duct adopts cylinder iron flange horizontal type installation of seamless steel pipe.Stove fire directly heats the intensive heating power ventilation body of horizontal type, quick heating when making heating power wind by pipeline, and hot blast rate is big.Whole body of heater inner and outer shell all adopts screw to be assemblied to form, and heating power adopts cast iron flange to install by pipe, is more convenient for repairing of airduct and changes with body of heater and keep in repair.Because what this product adopted is the warm-air pipe draft type.Though so tube wall is thin, because the air quantity flow velocity is fast in the pipe, the cold and hot exchange velocity of pipeline is faster, and is more even, the empty pipe that burns can not appear.Tube wall temperature generally is no more than 120 ℃.So service life is longer than conventional boiler.
The utility model can be extended to other drying plant.Environmental protection and energy-conservation purposes have a extensive future.
The tradition upright tubular boiler, identical workload, identical condition of work and efficient exceed one times than the utility model product energy charge.
To adopt diesel oil is the drying machine contrast of burning, is example with the grain-drying tower of producing 8.5 tons of capacity: dry 8.5 tons of cereal that contain 30% moisture content.Drying work hot blast temperature: 53 ℃ of the upper limits, 49 ℃ of lower limits.After 30 hours, the paddy water content is 14.5%.The about 140L of fuel consumption.Fuel oil takes about 840 yuan.Average fuel oil per ton takes about 98 yuan.
The utility model be suitable for burnt fuel be husk, wooden chaff or with the dry coal powder mixture.Dry identical cereal weight and moisture deal.The drying work hot blast temperature: the upper limit is set 53 ℃ (rising to 60 ℃ after the truce), 49 ℃ of lower limits.After 30 hours, the paddy water content is 14.5%.400 kilograms on burning husk, about 64 yuan.About 7.5 yuan of average fuel cost per ton.The contrast fuel oil can be cut down expenses about 90 yuan/ton.The fuel savings expense is more than ten times.Than traditional upright tubular boiler of burning husk, energy charge can be saved one times.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model structural representation.
Fig. 2 is the indoor horizontally-arranged honeycomb fashion of a ventilation duct heating power ventilation duct structural representation.
Fig. 3 is the utility model burning automatically controlled circuit diagram.
Among the figure: 1 body of heater shell, 2 feeding viarable speed motors, 3 feeding air blasts, 4 hot air draft machines, 5 pressure pumps, the 5A drinking-water pipe, 6 smoking centrifugal blowers, 7 feed pipes, 8 combustion chambers, ventilation duct chambers 9,10 pipes, 10A, the 12A interface, 11 water curtain smoke abatement casees, 12 smoke extracting tubes, 13 heating power ventilation ducts, 14 air inlets, 15 air inlet ducts, 16 hot-blast outlets, 17 drain hoppers, box is changeed in 18 feedings, 19, the 19A door regulating plate, 20 fire doors, 21 furnace bottoms, 22 smoke abatement water tanks, 23 water curtain sprinkler heads, 24 space bars, 25 dedusting filter screens, 26 filtered water tanks, 27 water inlets, 28 sewage draining exits, 29 water supplement ports.
The specific embodiment
Shown in Fig. 1～3, the utility model comprises feeding viarable speed motor 2, feeding air blast 3, hot air draft machine 4, pressure pump 5, the smoking centrifugal blower 6 of pay-off, combustion chamber 8, water curtain smoke abatement case 11, burning automatic control circuit.The burning automatic control circuit is connected with the temperature control system in feeding viarable speed motor, feeding air blast, hot air draft machine, pressure pump, smoking centrifugal blower circuit, grain-drying tower storehouse.
Pay-off comprises feeding viarable speed motor 2, feeding air blast 3, and described pay-off top is drain hopper 17, and box 18 is changeed in the feeding that the drain hopper lower end connects on the feeding viarable speed motor 2, and feeding is changeed the box lower end and established feed pipe 7.Feeding air blast 3 is established in feed pipe 7 lower ends, the feeding air blast with establish door regulating plate 19 between feed pipe 7 is connected.The feed pipe 7 of pay-off is connected with combustion chamber 8 by fire door 20, and the bottom, combustion chamber is a furnace bottom 21, and 8 tops, combustion chamber are provided with ventilation duct chamber 9, are provided with some horizontally-arranged honeycomb fashion heating power ventilation ducts 13 in the ventilation duct chamber 9.
Following on the ventilation duct chamber 9 in body of heater shell 1 to be provided with an end be the air inlet duct 15 that air inlet 14 other ends are communicated with heating power ventilation duct 13, and hot air draft machine 4 is located on the hot-blast outlet 16 of heating power ventilation duct 13.Wind enters some horizontally-arranged honeycomb fashion heating power ventilation ducts 13 by air inlet duct 15, enters grain-drying tower from hot-blast outlet 16 under 4 effects of hot air draft machine.
The smoke extracting tube 12 of combustion chamber 8 is connected with water curtain smoke abatement case 11, and water curtain smoke abatement case 11 is connected with smoking centrifugal blower 6 by pipe 10.
Do the interval with dedusting filter screen 25 in the water curtain smoke abatement case 11 and be divided into filtered water tank 26 and smoke abatement water tank 22.Water curtain sprinkler head 23 is located at the top in the smoke abatement water tank 22, and is located between pipe interface 10A and the smoke extracting tube interface 12A.Pressure pump 5 is located at bottom in the smoke abatement water tank 22, and pressure pump 5 drinking-water pipe 5A are connected with water curtain sprinkler head 23, and pressure pump 5 water inlets 27 are located in the filtered water tank 26.Sewage draining exit 28 is established in smoke abatement water tank 22 bottoms, is provided with water supplement port 29 on filtered water tank 26 tops.Water curtain sprinkler head 23 is established two, and with space bar 24 with two water curtain sprinkler heads 23 at interval separately.
Flue dust enters smoke abatement water tank 22 by smoke extracting tube 12, sprays the back through water curtain and discharges under 6 effects of smoking centrifugal blower by pipe 10.Water curtain sprays can eliminate smoke dust, and the water after the sprinkling contains the dirt ash, and 25 filtrations enter filtered water tank 26 through the dedusting filter screen, and like this, the water in the smoke abatement water tank 22 can be recycling.
As shown in Figure 3, the A.C. contactor A1 of the hot air draft machine 4 of described burning automatic control circuit end is connected with temperature control operating contact A end, A2 holds and be connected with zero-power line N.
Temperature control operating contact B end is connected with B1, B2, B3, B4, B5, B6 end.
Time relay sj electromagnetism actuating coil one end is connected with temperature control operating contact B end, and the other end is connected with zero-power line N.
Auxiliary reclay CJ1 electromagnetism actuating coil one end is connected with the B1 end, and the other end is connected with zero-power line N.
Auxiliary reclay CJ2 electromagnetism actuating coil one end is connected with the normally opened contact SJ1 of time relay sj, and the normally opened contact SJ2 of time relay sj connects with the B2 end, and the auxiliary reclay CJ2 electromagnetism actuating coil other end is connected with zero-power line N.
Feeding viarable speed motor 2 circuit one end is connected with the normally opened contact CJ2-2 of auxiliary reclay CJ2, and the normally opened contact CJ2-1 of auxiliary reclay CJ2 connects with the B3 end, and the feed appliance variable speed electric motors, particularly 2 circuit other ends are connected with zero-power line N.
Smoking centrifugal blower 6 circuit one end is connected with the normally opened contact CJ1-2 of auxiliary reclay CJ1, and the normally opened contact CJ1-1 of auxiliary reclay CJ1 connects with the B5 end, and the smoking centrifugal blower 6 circuit other ends are connected with zero-power line N.
When dropping to, bake out temperature sets down in limited time, the closed work of temperature control operating contact AB, and time relay sj, auxiliary reclay CJ1 start working, auxiliary reclay CJ1 normally opened contact closure, smoking centrifugal blower 6, pressure pump 5 work.After smoking centrifugal blower 6 starts; the kindling material resume combustion of combustion chamber 8; it is closed after the time relay sj time-delay reaches setting-up time; auxiliary reclay CJ2 work; auxiliary reclay CJ2 normally opened contact closure; feeding viarable speed motor 2,3 work of feeding air blast have guaranteed the afterflame function of combustion chamber after constant temperature is ceased fire.
Claims (6)
1, a kind of hot-blast stove, comprise the burning automatic control circuit that is connected with feeding viarable speed motor (2), feeding air blast (3), hot air draft machine (4), pressure pump (5), smoking centrifugal blower (6) circuit of pay-off, the feed pipe of pay-off (7) is connected with combustion chamber (8), top, combustion chamber (8) is provided with ventilation duct chamber (9), it is characterized in that: the smoke extracting tube (12) of combustion chamber (8) is connected with water curtain smoke abatement case (11), and water curtain smoke abatement case (11) is connected with smoking centrifugal blower (6) by pipe (10); Described feed pipe (7) lower end is provided with feeding air blast (3); Be provided with some horizontally-arranged honeycomb fashion heating power ventilation ducts (13) in the described ventilation duct chamber (9).
2, a kind of hot-blast stove according to claim 1, it is characterized in that: it is the air inlet duct (15) that air inlet (14) other end is communicated with heating power ventilation duct (13) that the last bottom in described ventilation duct chamber (9) is provided with an end, and hot air draft machine (4) is located on the hot-blast outlet (16) of heating power ventilation duct (13).
3, a kind of hot-blast stove according to claim 1 is characterized in that: described pay-off top is drain hopper (17), and box (18) is changeed in the feeding that the drain hopper lower end connects on the feeding viarable speed motor (2), and feeding is changeed the box lower end and established feed pipe (7).
4, a kind of hot-blast stove according to claim 1, it is characterized in that: do the interval with dedusting filter screen (25) in the described water curtain smoke abatement case (11) and be divided into filtered water tank (26) and smoke abatement water tank (22), water curtain sprinkler head (23) is located at the top in the smoke abatement water tank (22), and be located between pipe interface (10A) and the smoke extracting tube interface (12A), pressure pump (5) is located at the interior bottom of smoke abatement water tank (22), pressure pump (5) drinking-water pipe (5A) is connected with water curtain sprinkler head (23), and pressure pump (5) water inlet (27) is located in the filtered water tank (26).
5, a kind of hot-blast stove according to claim 4 is characterized in that: described water curtain sprinkler head (23) is established two, and with space bar (24) with two water curtain sprinkler heads (23) at interval separately.
6, a kind of hot-blast stove according to claim 1 is characterized in that: the A.C. contactor A1 end of the hot air draft machine (4) of described burning automatic control circuit is connected with temperature control operating contact A end, the A2 end is connected with zero-power line N;
Temperature control operating contact B end is connected with B1, B2, B3, B4, B5, B6 end;
Time relay sj electromagnetism actuating coil one end is connected with temperature control operating contact B end, and the other end is connected with zero-power line N;
Auxiliary reclay CJ1 electromagnetism actuating coil one end is connected with the B1 end, and the other end is connected with zero-power line N;
Auxiliary reclay CJ2 electromagnetism actuating coil one end is connected with the normally opened contact SJ1 of time relay sj, and the normally opened contact SJ2 of time relay sj connects with the B2 end, and the auxiliary reclay CJ2 electromagnetism actuating coil other end is connected with zero-power line N;
Feeding viarable speed motor (2) circuit one end is connected with the normally opened contact CJ2-2 of auxiliary reclay CJ2, and the normally opened contact CJ2-1 of auxiliary reclay CJ2 connects with the B3 end, and feeding viarable speed motor (2) the circuit other end is connected with zero-power line N;
Feeding air blast (3) circuit one end is connected with the normally opened contact CJ2-4 of auxiliary reclay CJ2, and the normally opened contact CJ2-3 of auxiliary reclay CJ2 connects with the B4 end, and feeding air blast (3) the circuit other end is connected with zero-power line N;
Smoking centrifugal blower (6) circuit one end is connected with the normally opened contact CJ1-2 of auxiliary reclay CJ1, and the normally opened contact CJ1-1 of auxiliary reclay CJ1 connects with the B5 end, and smoking centrifugal blower (6) the circuit other end is connected with zero-power line N;
Pressure pump (5) circuit one end is connected with the normally opened contact CJ1-4 of auxiliary reclay CJ1, and the normally opened contact CJ1-3 of auxiliary reclay CJ1 connects with the B6 end, and pressure pump (5) the circuit other end is connected with zero-power line N;
When dropping to, bake out temperature sets down in limited time, the closed work of temperature control operating contact AB, and time relay sj, auxiliary reclay CJ1 start working, auxiliary reclay CJ1 normally opened contact closure, smoking centrifugal blower (6), pressure pump (5) work;
Closed after the time relay sj time-delay reaches setting-up time, auxiliary reclay CJ2 work, auxiliary reclay CJ2 normally opened contact closure, feeding viarable speed motor (2), feeding air blast (3) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019479U CN201285158Y (en) | 2008-10-15 | 2008-10-15 | Hot-air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202019479U CN201285158Y (en) | 2008-10-15 | 2008-10-15 | Hot-air furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285158Y true CN201285158Y (en) | 2009-08-05 |
Family
ID=40950144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202019479U Expired - Fee Related CN201285158Y (en) | 2008-10-15 | 2008-10-15 | Hot-air furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285158Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804769A (en) * | 2015-12-02 | 2017-06-09 | 安徽香妃茶业有限公司 | A kind of tea drier |
| CN106996640A (en) * | 2017-03-22 | 2017-08-01 | 贵州大学 | A kind of environment-friendly type hot air structure |
-
2008
- 2008-10-15 CN CNU2008202019479U patent/CN201285158Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804769A (en) * | 2015-12-02 | 2017-06-09 | 安徽香妃茶业有限公司 | A kind of tea drier |
| CN106996640A (en) * | 2017-03-22 | 2017-08-01 | 贵州大学 | A kind of environment-friendly type hot air structure |
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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: 20111015 |