CN1344904A - Hot blast circulating silkworm cocoon drying equipment - Google Patents

Abstract

The hot balst circulating type of silkworm coccon drying equipment consists of inner heat source, drying chamber, air ventilator, heat balancer, thermometer, afterheat circulation unit, material feeder and discharger. Its features are as following: the heat source comprising grate, heat resisting concrete floor and flue; the heat balancer comprising two fans in the drying chamber, thermometer, ventilator valves, afterheat circulating blower and driven; the drying chamber comprising sandwiched heat insulating wall, top heat insulating plate, floor rail plate and sealing door; and rails for the silkworm coccon bogie to pass through. The present invention has the advantages of high quality, high yield, low loss and high safety and may be used in drying other matters.

Description

Hot blast circulating silkworm cocoon drying equipment

The invention technical field

The present invention relates to a kind of article drying equipment, especially a kind of hot blast circulating silkworm cocoon drying equipment.

Background technology

Use drying equipment to dry for need such as silk cocoon and many agricultural byproducts such as mushroom, konjakus,, adapt to suitability for industrialized production raw material supply requirement so that storage is preserved.In the inventor's CN2234960Y patent, a kind of multi-functional cocoon drying kitchen range is disclosed, by hothouse, heating furnace, fire prevention cover plate, smoke flue, reinforced concrete rail beam, overhead heat insulation plate, wall smoke flue, chimney and weep hole etc. form.Because this utility model adopted ground, wall smoke flue and larger caliber hydrofuge register, other kitchen range types relatively have simple in structure, regulation and control and easily go, and intensification hydrofuge effect is better, characteristics such as easy-to-operate.Yet the structures such as ground wall smoke flue of this cocoon drying kitchen range because of having used original flue and being provided with round this flue can not satisfy the technical performance of cocoon drying process requirement.And because of flue is made by cast iron, each flue size is big, flange plate bolt connects because of the effect of expanding with heat and contract with cold for flat mouthful, the bolt tension distortion, causing interface crack to leak cigarette burns with anger, hinder cocoon quality, easily catch fire, dangerous, and the big heavy inconvenience of installing of body, simultaneously, bulk is little in the flue, and fuel combustion is insufficient, the fritter assembly unit also embeds ground underground and that masonry panel is interior, the wall smoke flue, structural limitations such as the brick interface in turning the expansion of hot gas flow process and area of dissipation, make thermal energy conversion efficiency not high, air inlet, temperature control, the hydrofuge technical measures are not good enough, can not monitor dry mass and energy-saving and cost-reducing better synergy such as optimising and adjustment oven dry silk cocoon at any time.

Summary of the invention

The objective of the invention is to overcome the defective of above-mentioned prior art, provide a kind of fuel combustion space reasonable, thermal power transfer utilization rate height and effects of energy conservation and environmental protection are better, improve the hot blast circulating silkworm cocoon drying equipment of its cooking stove utilization rate.

For achieving the above object, hot blast circulating silkworm cocoon drying equipment of the present invention comprises a kind of hot blast circulating silkworm cocoon drying equipment, comprise heat power supply device, hothouse, the hydrofuge air interchanger, the thermal balance device, temperature indicator, turnover article device, wherein, heat power supply device is by ashcan, grate, burner hearth, flue, the ground flue, the wall flue, door opening makes a fire, chimney, the fire-proof and thermal-insulation cover plate is formed, the hydrofuge air interchanger is made up of air admission hole and weep hole, hothouse is by inwall, the insulation interlayer, exterior enclosure wall and feeding gate constitute, and it is characterized in that the thermal balance device is by the one group of twin shaft fan that is positioned on the body of wall of hothouse both sides, air inducing air-supply axial flow blower and motor constitute; Turnover article device is made of lorry and track girder, is equipped with steamboat and directive wheel that radial section is the V groove under the lorry, fixes by bolt or welding and lorry bottom; The flue of heat power supply device comprises the semicircle cylindrical shell, link into an integrated entity with flue semicircle cylindrical shell respectively and the downward extended part of increasing from the internal furnace edge, increase with each that part links into an integrated entity and from increasing the part end, evenly alternately be arranged in many convex horizontal bars and vertical muscle on the upper surface of flue semicircle cylindrical shell to the limit pin that laterally extends outward perpendicular to the flue axis direction; Be positioned at prefabricated " Y " type of hothouse lower surface and fire-resistant concrete divide the flue title connect, with burner hearth fuel combustion flame thermal current be divided into two strands switch through the tubulose ground flue of introducing the flue both sides by about subsides flue ground flue, welt wall ground flue and wall flue constitute, ground flue, welt wall ground flue and wall flue are prefabricated into the Clothoid type sheet-metal duct by heat-resisting reinforced concrete respectively, these three kinds of flues are except that support body, the four sides do not embed underground and hothouse (33) both sides bodies of wall (46,48) in.

Adopt said structure of the present invention, because of the radius of flue semicircle cylindrical shell constant, can be applicable to the existing application place, save equipment cost, increase part because of having increased simultaneously, the corresponding whole height that increases flue, increase the good space of flue fuel combustion, the secondary air road has been set, given the burner hearth deep not flue gas supplemental oxygen of cinder of burning, promote fully burning heat release, improve the thermal efficiency.In addition, because the upper surface at internal furnace is provided with the longitudinal and transverse muscle of all-in-one-piece with it, can strengthen the intensity of flue effectively and increase thermal power transfer heat loss through conduction area, and make heat resisting steel reinforced concrete thin-walled smoke flue member by the building prefabrication assembling process technique, compare with the smoke flue of brick one-tenth wall in the past, manufacturer's standard precision height, the job specfication quality is good, with short production cycle and when reducing cost, can reduce the equipment self power consumption.Have again, arrange by ground flue and wall flue being made the unsettled installation of tubulose U type member and tubulose S type Clothoid type respectively, the thermal current flow process that extended and enlarged the thermal current area of dissipation has improved the heat conductivility of flue member, and the specific heat power consumption that has reduced the flue member, improved the thermal efficiency.

The further scheme of the present invention is, the ground flue that pastes flue is communicated with the wall flue by welt wall ground flue, the ground flue is the sheet-metal duct that the U type circles round, the S-type sheet-metal duct that circles round of wall flue, and the wall flue is communicated with outside atmosphere by the abutment wall weep hole cover plate and the chimney of the horizontal logical weep hole in two abutment wall tops with its top.Flue the right and left enters air heat the hothouse conversion simultaneously and discharges moisture along there being air admission hole to enter air cooling flue.Below tubulose ground flue, be provided with air inlet duct, air outlet, give the air heat that enters hothouse conversion hydrofuge, improve heat energy utilization rate and hydrofuge effect, above the wall flue that rises that spirals, elongated opening is provided with the hydrofuge air inlet, upwards be shrunk to trapezoidal weep hole, on the regulation and control cover plate is set.Tubular wall flue end outlet and is connected the room face that stretches out with the brick chimney of building, and the outside is communicated with atmosphere, is provided with the control flashboard, favourable smoke evacuation temperature control exceeding the hothouse top side location.

Adopt said structure, can guarantee to be connected sealing between each member, strengthen insulation and heat energy utilization, temperature control and displacement hydrofuge technical measures.

The present invention's scheme again is, the top of the fire prevention temperature adjustment cover case of flue is provided with steel wire flameproof enclosure thermal insulation board, and above the ground of both sides flue, be respectively equipped with lorry cincture track girder and lorry middle part directive wheel track girder, be equipped with the angle steel track above two track girders respectively, face is laid walking reinforced concrete slab and overhead heat insulation plate in orbit.Add the steam that hot-air rises and heats and replace the materials such as silk cocoon of the wall part of keeping to the side from abutment wall.

Adopt said structure; make the thermal current thermal source be positioned over the interior ground level bottom of hothouse; meet thermal current rising convective principles; evenly give heat; both strengthened effect of thermal power transfer hydrofuge and flameproof effect, convenient operation, maintenance again prolongs service life of equipment; alleviate labor strength, to protection article (as cocoon) quality, reinforcement is energy-conservation and safe effect is remarkable especially.

The further scheme of the present invention is that the outside of hothouse is provided with the outsourcing wall, and is provided with wall flue lining wall in the foreign side of wall flue, fill the insulation interlayer between outsourcing wall and inwall, and described insulation interlayer is made by insulation material.

Adopt said structure, can reduce heat energy loss in the hothouse, improve the thermal power transfer utilization rate.

The solution of the present invention comprises that also described feeding gate is the heat insulating sandwich door, adopt the rebate entire body to close and close door leaf and angle steel doorframe, and the heat insulating sandwich door is by steel and timber and insulation material is compound makes.

Adopt said structure, make door leaf close good sealing effect, can prevent the buckling deformation of monolithic door leaf, can reduce heat-energy losses, reduce maintenance, increase the service life.

Another scheme of the present invention also comprises, the wall door opening both sides of making a fire are provided with flue thermal source air admission hole be positioned at flue both sides, hothouse in the cover case of the fire prevention temperature adjustment gain of heat of flue after, be provided with air intake duct under the ground flue below the ground flue, and behind hothouse inner furnace right side wall middle part, hothouse ground level surface is provided with hothouse ground level top temperature adjustment air admission hole.

Adopt said structure, on hothouse both walls flue, extend, strengthen, increase moisture exhausting port in the horizontally-arranged mode, create and give hot gas temperature raising, temperature control, the best regulation and control of hydrofuge environment, help the best temperature control of cocoon drying process and join grasp wet and suitable dried pupa rate to the cold air cooling.

The solution of the present invention also comprises, above hothouse, be provided with roof concrete crossbeam, upper surface at the concrete crossbeam is provided with roof concrete cover plate, on the top of concrete cover plate the roof heat-insulation layer is arranged and wipe one's face, and be provided with a plurality of multipurpose weep holes at the roof heat-insulation layer and on wiping one's face, around roof, be with revetment, on the roof of storied building, a cover temperature control hydrofuge air inducing air-supply arrangement be installed in the revetment.Adopt said structure, can guarantee to be connected sealing between each member, strengthen the insulation measure, reduce heat energy loss.

Another scheme of the present invention is, is provided with one group of twin shaft fan and temperature-detecting device on the front wall of hothouse and back wall, and each axle of twin shaft fan is gone up the flabellum grouping and distributed.

Adopt said structure, increase heat energy convection current transformation, create best uniform temperature and hydrofuge temperature control environment in the hothouse.And can monitor at any time dries quantity, the temperature of cocoon drying in the hothouse and unclassified stores, improve the heat energy utilization rate and grasp at any time as the old tender dried wet suitable dried pupa rate of cocoon drying.

Brief Description Of Drawings

Fig. 1 cuts open front view for the office of hot blast circulating silkworm cocoon drying equipment of the present invention,

Fig. 2 is the cutaway view along A-A line among Fig. 1, and wall flue 13 layouts such as grade are shown,

Fig. 3 is the cutaway view along B-B line among Fig. 1, illustrates to take off the vertical view of article oven dry with the hothouse 33 behind the lorry 28,

Fig. 4 is the cutaway view along C-C line among Fig. 1, and the layout of ground flue is shown,

Fig. 5 is the cutaway view along D-D line among Fig. 1, for the schematic diagram of flue among Fig. 18, illustrates along the given structure graph situation of hothouse axis vertical profile with the amplification of ashcan 1 and grate 3 junctions,

Fig. 6 is the rearview of hothouse,

Fig. 7 is the hothouse front view,

Fig. 8 is hothouse end face air-introduced machine, weep hole layout drawing.

Preferred embodiment of the present invention

Below, with reference to a preferred embodiment of Fig. 1-4 detailed description hot blast circulating silkworm cocoon drying equipment of the present invention, other purposes of the present invention, advantage and feature will further embody in this embodiment.

Fig. 1 cuts open front view for the office of hot blast circulating silkworm cocoon drying equipment of the present invention, Fig. 2 is the cutaway view along A-A line among Fig. 1, wall flue 13 layouts such as grade are shown, Fig. 3 is the cutaway view along B-B line among Fig. 1, illustrate and take off the vertical view of article oven dry with the hothouse 33 behind the lorry 28, Fig. 4 is the cutaway view along C-C line among Fig. 1, and the layout of ground flue is shown.From Fig. 1-4, can understand the internal structure of multifunction efficient energy-saving of the present invention hot air chamber and the technological process that thermal power transfer is utilized.In the following embodiments,, be example with the oven dry silk cocoon, but be not limited to this, can dry article such as mushroom, konjaku for hot blast circulating silkworm cocoon drying equipment of the present invention.

At first, with reference to Fig. 1, schematically show hot blast circulating silkworm cocoon drying equipment of the present invention.This stove mainly comprises heat power supply device, hothouse, hydrofuge air interchanger, thermal balance device, temperature indicator, turnover article device.Wherein, heat power supply device by burner hearth, flue, flue, wall flue, chimney, fire-proof and thermal-insulation cover plate etc. form, the hydrofuge air interchanger is made up of air admission hole and weep hole, the thermal balance device is made of two groups of fans, air inducing air-supply axial flow blower and motor or diesel engine, in hothouse antetheca center thermometer is set, turnover article device is made of lorry and track.

Heat power supply device comprises the ashcan 1 by brick one-tenth wall, be positioned at the grate 3 on ashcan 1 top, above grate 3, be provided with and be essentially semicircle tubular flue 8, be positioned at the door opening 4 that makes a fire of flue 8 ends, and the secondary air mouth below grate 3, burner hearth bottom surface is inwards stretched into and is turned over 41 rear portions, volcano in the burner hearth with device secondary air road 2 thus, upwards leave mouthful 34 (with reference to Fig. 5), replenish combustion-supporting oxygen to give burner hearth fuel combustion air-flow.Because from grey a heatable brick bed 1 end air inlet is set, so the fresh air of giving is the cold air that hot gas rather than air blast blow into, its favourable promotion burning is turned over volcano 41 and is controlled the fuel fill position on the one hand, allows combustion flame paste flue 8 tops simultaneously and extends the raising heat utilization efficiency.

The structure of flue 8 and be illustrated with ashcan 1 and combining of grate 3 with reference to Fig. 5.Flue 8 comprises flue semicircle cylindrical shell, link into an integrated entity with flue semicircle cylindrical shell respectively and the downward extended part of increasing from the internal furnace edge, increase with each that part links into an integrated entity and from increasing the part end to the limit pin that laterally extends outward perpendicular to the flue axis direction, the limit pin is positioned at the edge of the ashcan 1 of grate 3 tops, and evenly alternately is arranged in many convex horizontal bars and vertical muscle on the flue semicircle cylindrical shell upper surface.Because of the radius of flue semicircle cylindrical shell is constant, can be applicable to the existing application place, increase part because of having increased, the corresponding whole height that increases flue, the fuel combustion space that has increased flue simultaneously.In addition, horizontal bar can vertically mutually be provided with vertical muscle, also can angledly be provided with.Owing at the upper surface of internal furnace all-in-one-piece muscle in length and breadth is set with it, can strengthens the intensity of flue effectively and increase thermal power transfer heat loss through conduction area.

Referring to Fig. 1 and Fig. 3, hothouse is described.Hothouse 33 by wall flue lining wall 14, outside inwall outsourcing wall 16, between inwall 14 and outside insulation interlayer 15, hothouse 33 front walls 46, hothouse 33 back walls 48, revetment 23 and feeding gate 25 etc. between the chemise 16 constitute, wherein, feeding gate 25 is the heat insulating sandwich door, by steel and timber and insulation material is compound makes, adopt the rebate entire body to close and close door leaf and angle steel doorframe 26, prevent a distortion warpage, reduce the heat-energy losses in the hothouse 33.

Below, ground, the wall smoke flue structure of heat power supply device are described with reference to Fig. 1, Fig. 2 and Fig. 4.Ground, wall smoke flue by be positioned at hothouse 33 lower surfaces belows, the subsides flue ground flue 6 on flue 8 right sides, the welt wall ground flue 30 and the wall flue 13 in flue 8 left sides constitute, flue 6,30 and 13 is assembled by being prefabricated into Clothoid type sheet-metal duct (below will describe in detail) by the heat resisting steel reinforced concrete respectively, these three kinds of flues respectively by support body with underground with outside the both sides body of wall 46,48 of hothouse 33 is connected, the flue four sides does not all embed in the both sides masonry panel of underground and hothouse 33, is unsettled heat radiation.Make ground, wall smoke flue member by the building prefabrication assembling process technique, compare, make when construction quality improves and to reduce the equipment self power consumption, can improve the thermal efficiency with ground, the wall smoke flue of brick one-tenth wall in the past.

Fig. 2 illustrates the structure of wall flue 13 vertical sections, be illustrated between the left and right sides body of wall 52 of the left side of flue 8 and hothouse 33 welt wall ground flue 30 is set, the termination of this welt wall ground flue 30 is switched through through " tobacco pipe " shape box-shaped triangle 31 and is entered wall flue 13 vertically upward, wall flue 13 upwards distributes with S shape, strengthen the position of energy-conservation flue 8 shown in Fig. 5 and dock the constructional aspect of embedding with minute flue head 49, illustrate simultaneously from a minute flue head 49 and switch through subsides flue 8 ground flues 6, it is that segmentation plays the slope installation that ground flue 6 switches through subsides wall ground flue 30 through U type ground flue 36, rise through pegging graft to change then with " tobacco pipe " shape casing triangle 31, be connected with wall flue 13, wall flue 13S shape is spiraled and is risen to the end and be connected with chimney 19, be positioned at the horizontal logical weep hole 17 in two abutment wall tops and the abutment wall weep hole cover plate 18 that paste flue 13 tops, wall ground and be communicated with ground flue 13, termination at ground flue 13 upwards is provided with the chimney 19 that is communicated with outside atmosphere to 33 tops, primary drying chamber, chimney 19 is arranged on corner, wall 48 both sides, hothouse 33 back, going out end face top at chimney 19 in addition has control plate 56, and the flue gas that will give up is discharged and entered atmosphere.Referring to Fig. 1 and 2, per pass wall flue 13 terminations are shown simultaneously the maintenance that front wall 46 and the back wall 48 both sides the top of a wall lead to the outside is set draws grey preformed hole 51, avoid maintenance to remove the cigarette ash laying dust, destroy overall structure.Border on hothouse 33 end face tops at chimney 19 temperature control smoke evacuation flashboard 56 is set, control burning heat release and adjusting baking temperature ensure dry mass, reduce and consume energy.

Fig. 4 schematically illustrates below the concrete steel wire thermal insulation board 10 above the hothouse 33 Horizon surface underneath, thermal source cover case 7, concrete track side bar 9 and track girder 32 and lay walking concrete plate 11 and overhead heat insulation plate 35 below flue 8 in the cross-sectional vertical view of grates 3, the door opening 4 that makes a fire, thermal source air admission hole 5, flue 8, overlook out thermal source cover case 7 side plates.Fig. 4 also illustrates structural configuration situations such as cross section of flue 6,30, ground and motor 38 support positions.The ground flue 6 that is affixed on flue 8 left and right sides is near hothouse 33 left and right sides bodies of wall 52 places, be switched to welt wall ground flue 30 by U type ground flue 36, be positioned at the fiery Y shape tap of the branch 49 equilateral oblique triangle parts that flue 8 one ends have fire-resistant concrete to make, be connected from wedge shape convex edge, leading 49 both sides outlet ground flue 6 spill imports, make the distribution that takes the shape of the letter U respectively of the ground flue 6 of flue 8 both sides with subsides flue 8 both sides.Among Fig. 4, the diagram direction of arrow traffic direction that is hot gas in pasting flue ground flue 6 returns type road 36 transmission along the direction of arrow to the U type of the subsides flue ground on both sides flue 6 from the hot gas of flue 8.

Just as shown in FIG., fuel at first enters on the burner hearth grate 3 from the door opening 4 that makes a fire, the high temperature hot gas of fuel stream enters to depth by the distolateral volcano 41 of turning over of flue 8, back segment to flue 8 burner hearths, because of secondary air air outlet 34 is set herein, can give preceding thorax burning not enough flammable surplus materials supplemental oxygen, to promote sufficient combustion.Then, the air-flow of high-temp combustion continues to protract, and arrives at the burner hearth end, and the fiery Y shape tap of the branch 49 equilateral oblique triangles of making by fire-resistant concrete divide flame to both sides.Because of the outlet of wedge shape convex edge, leading 49 both sides is connected with the 6 spill imports of subsides flue 8 ground flues, so the thermal current that flows in the ground flue 6 is switched to welt wall ground flue 30 by U type ground flue 36 again, flue 30 terminations, welt wall ground are inserted " tobacco pipe " shape casing triangle 31 again, hold down to connect through casing triangle 31 and insert wall flue 13, then, spiral by S type in wall flue 13, through being positioned at horizontal logical weep hole 17 in two abutment wall tops and the abutment wall weep hole cover plate 18 that pastes flue 13 tops, wall ground and be communicated with ground flue 13, and be positioned at abutment wall weep hole cover plate 18 tops go out 19 discharges of hothouse roof chimney.

Use this flowage structure, can promote the full combustion of fuel heat release, lengthening hot gas flow process and expansion hothouse 33 interior smoke flue area of dissipations, improve the thermal power transfer utilization rate, the concavo-convex mouthful interface of wedge shape, good sealing effect, can prevent expands with heat and contract with cold causes the leakage cigarette of minute crack.In addition, by cocoon drying stove of the present invention so is set, make the member that constitutes hothouse be connected sealing mutually, thermal energy conversion efficiency and insulation measure have been strengthened, in cooling flue 8 surfaces, with air heat and make it to enter hothouse 33, displacement adds the steam that thermal material produces and discharges, the heat energy of oven dry silk cocoon or other article in the hothouse 33 mainly is by being obtained by the air of flue 8 heating.Reduce heat-energy losses, optimized temperature control hydrofuge effect, obtained high-quality, high yield, low consumption, the oven dry silk cocoon effect of safety and the science and technology guarantee of multi-functional applicability.

Adopt said structure, hot gas flow process in the hothouse that extended has enlarged area of dissipation, can balanced hothouse temperature contrast, improve the thermal efficiency.

Below, index map 1 and Fig. 3 illustrate the turnover device of cocoon.Fig. 3 shows the topology layout situation of ground plane surface in the hothouse 33.Flue 8 thermals source are covered with fire prevention temperature adjustment cover case 7, on cover case 7, be stamped flameproof enclosure steel wire thermal insulation board 10, cover case 7 both sides are the concrete track side bar 9 and the directive wheel track girder 32 of carrying lorry 28, lorry cincture track girder 9 is above the ground flue 6 on flue 8 right sides, track girder 9 is fixed on the beams of concrete, lorry middle part directive wheel track girder 32 is in the left side of flue 8, the top of welt wall ground flue 30, track side bar 9 and directive wheel track girder 32 paste and lay walking concrete plate 11 on flue 8 one sides, above the welt wall one side ground flue 30, shop overhead heat insulation plate 35 above this track girder 32.Be provided with temperature adjustment air admission hole 12 on the back wall 48 of hothouse 33, being provided with motor 38 at hothouse 33 front walls 46 front ends is the wall flue with driving-belt protection safety cover 39,13.Lorry 28 usefulness steel are made, and are equipped with steamboat and directive wheel that radial section is the V groove under the lorry, fix by bolt or welding and lorry bottom, so that lorry 28 can push-and-pull flexibly on track girder 9.Lay armored concrete on the beam and walk guidance tape and thermal insulation board.During use, lorry 28 enters hothouse 33 backs from feeding gate 25 and is positioned on the walking concrete plate 11 along lorry cincture track girder 9, by the lorry middle part directive wheel track girder 32 that above the ground flue 6 in flue 8 left sides, is provided with, make the lorry 28 that is positioned on the concrete plate 11 move to the left side from the right side of flue 8, drying silk cocoon or other article on the lorry 28 effectively by concrete plate 11 and thermal insulation board 35 from the hot gas of ground flue, because of flameproof enclosure steel wire thermal insulation board 10, concrete plate 11 and overhead heat insulation plate 35 are set, thermal power transfer effect and fire prevention measure have been strengthened.Because of directive wheel track girder 32 is set, be convenient to the operation maintenance simultaneously, improved service life of equipment, alleviated labor strength.

Below, thermal balance device of the present invention is described.Referring to Fig. 1,5-7, on hothouse 33 inwalls 14, also be provided with twin shaft fan 27, fan 27 is contained between the forward and backward wall 46 and 48 of hothouse 33, the fan shaft deep bid is installed safty shield 39 outward, at hothouse 33 front walls 46 middle parts, on the body of wall temperature-detecting device thermometer 40 is installed in the two turnover bin gates, and thermometer 40 is installed in centre position between the double fan axle, in order to accurately detecting hothouse 33 temperature.The form of fan 27 is that each last 12 flabellum divides three component cloth.Above hothouse 33, the axle two ends of fan 27 are connected with 48 with front-back wall 46.The axle of fan 27 is connected with motor 38 outside hothouse 33 front walls 46 by belt, and passes through speed regulator or belt pulley speed governing, referring to Fig. 5.The top that also is illustrated in hothouse 33 among Fig. 5 is provided with roof concrete crossbeam 20, upper surface at concrete crossbeam 20 is provided with roof concrete cover plate 21, roof insulation surface layer 22 is arranged on the top of concrete cover plate 21, and on roof insulation surface layer 22, be provided with a plurality of multipurpose weep holes 24, enclosure wall 23 is arranged around roof.Top rear in enclosure wall inner drying chambers 33 23 is provided with air inducing air-supply axial flow blower 42, is used for air inducing air-supply temperature control hydrofuge UTILIZATION OF VESIDUAL HEAT IN.Air-introduced machine 42 by blast main 54, be responsible for 54 blowpipes that are connected 44 and form with branched pipe 45, the UTILIZATION OF VESIDUAL HEAT IN air inducing person in charge 53 who is connected with blower fan 42, main blast pipe residual heat recovery gate valve 43.When hot blast circulating silkworm cocoon drying equipment baking silk cocoon of the present invention and other article, at first, motor 38 drives twin shaft fan 27 and rotates, carrying lorry 28 enters from heat insulating sandwich door 25, be positioned on the track girder upper berth walking concrete plate 11 and advance and be shelved on track side bar 9 and the directive wheel track girder 32, the heat energy that thermal source is emitted, by flue 8,30 conduction of ground flue, the air of radiation heating, upwards enter hothouse 33,, make high hot-air flow to surrounding space in the hothouse 33 rapidly through the stirring of twin shaft fan 27, hot blast is penetrated in the article of oven dry, produces the conversion reaction of heat energy drying dehumidification.

Below, hydrofuge air interchanger of the present invention is described.The hydrofuge air interchanger is made up of air admission hole and weep hole.Referring to Fig. 1 and Fig. 4, the fire door both sides that are positioned at flue 8 in the fire prevention temperature adjustment cover case 7 of flue 8 are provided with flue thermal source air admission hole 5, and assembling manual adjustments gate, and are provided with air inlet air outlet 47 (referring to Fig. 5 and 6) below ground flue 6.And be provided with air intake duct 29 (referring to Fig. 1 and Fig. 5) under the ground flue on the walls 48 behind the hothouse 33 below the ground flue, the air that enters from air intake duct 29 enters hothouse 33 along cincture track and hothouse 33 side wall gaps by the 6 surface heating of ground flue below heat insulation guidance tape excessively, supply with the dry-heat air of oven dry material, the steam displacement of oven dry deposits yields is discharged.In addition, above hothouse 33 inner furnaces 8 right sides, also be provided with hothouse ground level top air admission hole 12 (referring to Fig. 3,6 and 7), extend in the horizontally-arranged mode and to increase steam vent, create and give hot gas, temperature control, hydrofuge regulation and control excellent environment, help the grasp of the suitable dried pupa rate of cocoon drying process.Referring to Fig. 1,2 and 5-8, be located between the both sides inwall of hothouse 33 in the weep hole 17 and lead to exosphere, created temperature control hydrofuge good environment, become the technical guarantee that improves the cocoon drying quality.Weep hole 17 is equipped with the manual adjustments gate.Fig. 7 illustrates the structure that upright wall is in front seen the weep hole cover plate 18 of hothouse 33 top layouts, and Fig. 8 is the structure of overlooking hothouse 33 end face weep hole cover plates 18.

Fig. 7 illustrates the weep hole cover plate 18 that upright wall is in front seen hothouse top layout, air inducing breeze fan 42, main induced duct 53, air inducing arm 55, the chimney situation is seen on hothouse 33, temperature adjustment air admission hole 12 and the facade wall from the input and output material door opening and to be protected safety guard 39 outside fan shaft 27 big belt pulleys, thermometer 40, angle steel doorframe 26 (also referring to Fig. 3), the front view of the motor 38 that heat insulating sandwich door leaf 25 and middle part wall crust are installed.

Fig. 8 is the situation of overlooking hothouse end face weep hole cover plate 18, air inducing arm 55, air inducing arm 53, air-introduced machine 42, blast main 54, blowpipe 44, air-supply branched pipe 45, chimney 19, temperature control plate 56.

Adopt hot blast circulating silkworm cocoon drying equipment of the present invention, as shown in table 1 below through the measured performance index:

Table 1

Project			Index		Remarks
						The cold kitchen range heating-up time	????60℃		≤ 3 hours		Environment temperature is in 20 ℃
????110℃		≤ 5 hours
				Fuel consumption	Silk cocoon (the bright cocoon of per kilogram)		Bavin (suitable doing)	≤ 0.4 kilogram
Coal	≤ 0.20 kilogram
		Mushroom (500 kilograms of bright mushrooms)					Bavin (suitable doing)	≤ 0.5 kilogram
Coal	≤ 0.25 kilogram
					Efficient	500 kilograms of bright cocoons of silk cocoon)		The head baking		≤ 3 hours	Baking rate 60%
Two bakings	≤ 2 hours	Suitable doing
			Mushroom (500 kilograms of bright mushrooms)					≤ 18 hours		Moisture content	10%-13%
The hothouse uniformity						??????????????≤5℃
			Quality requirement	Silk cocoon	Meet the 0/SB61-B47.001-90 standard more than 90%
Mushroom	Meet the GH/T1013-1998 standard more than 90%

Adopt hot blast circulating silkworm cocoon drying equipment of the present invention, having qualities such as efficient height, good energy-conserving effect, dried cocoon such as cocoon drying, mushroom, konjaku is effectively ensured, production operation safety, advantages such as environmental protection make each stage of cocoon drying require and can freely regulate and control the difference of temperature, humidity, air-flow three elements.Obtain and both save from damage and the revisal cocoon quality, improve the technique effect of baking power and cost saving again.

More than, have been described in detail at a preferred embodiment of the present invention, but the present invention is not limited to this, to those skilled in the art, in not exceeding spiritual scope of the present invention, can make various variations or change on the basis at present embodiment.

Claims (10)

1, a kind of hot blast circulating silkworm cocoon drying equipment, comprise heat power supply device, hothouse, the hydrofuge air interchanger, the thermal balance device, temperature indicator, turnover article device, wherein, heat power supply device is by ashcan, grate, burner hearth, flue, the ground flue, the wall flue, door opening makes a fire, chimney, the fire-proof and thermal-insulation cover plate is formed, and the hydrofuge air interchanger is made up of air admission hole and weep hole, hothouse is by inwall, the insulation interlayer, exterior enclosure wall and feeding gate constitute, it is characterized in that the thermal balance device is by the one group of twin shaft fan (27) that is positioned between hothouse (33) the both sides bodies of wall (46,48), air inducing air-supply axial flow blower (42) and motor (38) constitute; Turnover article device is equipped with steamboat and directive wheel that radial section is the V groove by lorry (28) and track girder (9) formation under the lorry (28), fix by bolt or welding and lorry (28) bottom; The flue of heat power supply device (8) comprises the semicircle cylindrical shell, link into an integrated entity with flue semicircle cylindrical shell respectively and the downward extended part of increasing from the internal furnace edge, increase with each that part links into an integrated entity and from increasing the part end, evenly alternately be arranged in many convex horizontal bars and vertical muscle on the upper surface of flue semicircle cylindrical shell to the limit pin that laterally extends outward perpendicular to the flue axis direction; Be positioned at the prefabricated Y type of hothouse (33) lower surface and fire-resistant concrete divide flue head (49) be connected, with burner hearth fuel combustion flame thermal current be divided into two strands switch through the tubulose ground flue of introducing flue (8) both sides by about paste flue ground flue (6), welt wall ground flue (30) and wall flue (13) formation, ground flue (6), welt wall ground flue (30) and wall flue (13) are prefabricated into the Clothoid type sheet-metal duct by heat-resisting reinforced concrete respectively, these three kinds of flues are except that support body, the four sides do not embed underground and hothouse (33) both sides bodies of wall (46,48) in.

2, according to the described hot blast circulating silkworm cocoon drying equipment of claim 1, it is characterized in that, the ground flue (6) in flue (8) left side is communicated with wall flue (13) by welt wall ground flue (30), ground flue (6) is the sheet-metal duct that the U type circles round, the S-type sheet-metal duct that circles round of wall flue (13), and wall flue (13) is communicated with outside atmosphere by the abutment wall weep hole cover plate (18) and the chimney (19) of the horizontal logical weep holes in two abutment wall tops (17) with its top.

3, according to claim 1 or 2 described hot blast circulating silkworm cocoon drying equipments, it is characterized in that, the top of the fire prevention temperature adjustment cover case (7) of flue (8) is provided with flameproof enclosure steel wire thermal insulation board (10), and be respectively equipped with lorry cincture track girder (9) and lorry middle part directive wheel track girder (32) in the top of the ground of both sides flue (6), be respectively equipped with track girder upper berth walking concrete plate (11) and overhead heat insulation plate (35) in two track girders (9) (32) top.

4, according to claim 1 or 3 described hot blast circulating silkworm cocoon drying equipments, it is characterized in that, the outside of hothouse (33) is provided with outsourcing wall (16), and be provided with wall flue lining wall (14) in the foreign side of wall flue (13), between outsourcing wall (16) and inwall (14), fill insulation interlayer (15).

According to the described hot blast circulating silkworm cocoon drying equipment of claim 4, it is characterized in that 5, described insulation interlayer (15) is made by insulation material.

According to the described hot blast circulating silkworm cocoon drying equipment of claim 1, it is characterized in that 6, described feeding gate (25) is the heat insulating sandwich door, adopt the rebate entire body to close and close door leaf and angle steel doorframe (26).

According to the described hot blast circulating silkworm cocoon drying equipment of claim 6, it is characterized in that 7, the heat insulating sandwich door is made by steel.

8, according to the described hot blast circulating silkworm cocoon drying equipment of claim 1, it is characterized in that, in the fire prevention temperature adjustment cover case (7) of flue (8), be positioned at flue (8) both sides and be provided with flue thermal source air admission hole (5), be provided with air intake duct (29) under the ground flue in the below of ground flue (6), and be provided with hothouse ground level top air admission hole (12) in top, hothouse (33) inner furnace (8) right side.

9, according to the described hot blast circulating silkworm cocoon drying equipment of claim 1, it is characterized in that, be provided with roof concrete crossbeam (20) in the top of hothouse (33), upper surface at concrete crossbeam (20) is provided with roof concrete cover plate (21), the roof heat-insulation layer is arranged and wipe one's face (22) on the top of concrete cover plate (21), and be provided with a plurality of multipurpose weep holes (24) at the roof heat-insulation layer and on wipe one's face (22), around roof, be with revetment (23).

10, according to the described hot blast circulating silkworm cocoon drying equipment of claim 1, it is characterized in that, be provided with one group of twin shaft fan (27) and thermometer (40) between the front-back wall (46,48) of hothouse (33), each axle of twin shaft fan (27) is gone up the flabellum grouping and is distributed.

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