CN105366913B - High-effective sludge dehydration drying process system - Google Patents

High-effective sludge dehydration drying process system Download PDF

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Publication number
CN105366913B
CN105366913B CN201510886099.4A CN201510886099A CN105366913B CN 105366913 B CN105366913 B CN 105366913B CN 201510886099 A CN201510886099 A CN 201510886099A CN 105366913 B CN105366913 B CN 105366913B
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sludge
tank
housing
chain
hole
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CN105366913A (en
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黄学祥
张尉
王国龙
秦小飞
许志远
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SUZHOU LIANGUAN MACHINERY Co.,Ltd.
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JIANGSU LIANGUAN MACHINERY Co Ltd
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Abstract

The invention discloses a kind of high-effective sludge dehydration drying process system, arranges drying machine by sludge chain and drying sludge tower forms, and the structure of sludge chain row's drying machine is:First charging aperture, the first discharging opening and sewage draining exit are provided with tank body, at least one set of chain row's drainage conveying device with drive device is arranged in the inner chamber of tank body, and one group of drainage collection device is correspondingly arranged on respectively in each chain row drainage conveying device;Blowdown conveying device is provided with tank inner chamber, the structure of drying sludge tower is:Second charging aperture and the second discharging opening are provided with housing;It is provided with least one set of sludge uniform distribution device in the housing, the upper end of the main shaft being vertically arranged in housing is stretched out after sequentially passing through the through hole on each group uniform distribution device from the through hole of housing upper end, and main shaft is driven by the second drive device;Agitating device and flue group are provided with the housing.It is an advantage of the invention that energy consumption is low, sludge dewatering drying efficiency is high and it is uniform good to dry.

Description

High-effective sludge dehydration drying process system
Technical field
The present invention relates to drying sludge processing equipment, more particularly to a kind of high-effective sludge dehydration drying process system.
Background technology
Sludge is the accessory substance in sanitary sewage, During Industrial Wastewater Treatment Process, and water content is up to 95%~98%.At present to dirt The processing mode of mud mainly has landfill, compost and burns three kinds of modes.Sludge is handled using land-fill method, due to sludge In contain various poisonous and harmful substances, the sludge of landfill can make poisonous and harmful substances permeate the ground layer through rainwater immersion, pollution Underground water, life and the health of people are greatly threatened, and the water content of sludge that landfill yard landfill regulation is landfilled must not Limited higher than 60%, thus by sludge progress landfill disposal by more.Sludge is handled using composting mode, compost Foul smell is larger, greatly affected the environment of surrounding, in addition, though in sludge containing abundant organic matter and a certain amount of nitrogen, Phosphorus, potassium, but be simply possible to use in sludge also containing harmful substances such as Polychlorinated biphenyls and heavy metals in gardens and construction of city afforestation, Sludge progress compost treatment is also thus received into more limitation.Sludge is handled using burning mode, burning to incite somebody to action All carbonization generates stable inorganic matter to organic component in sludge, and the residue odorless sterile after burning is harmless, and volume can subtract Few 60%, the residue after burning can be used to brickmaking, make cement additive etc., and sludge progress burning disposal is had into volume reduction, subtracted The advantages that rate is high again, processing speed is fast, innoxious thorough.Although sludge incineration can realize most thoroughly, farthest subtract Hold, but the water content of sludge is up to 95%~98%, it is higher that burning energy consumption is directly carried out to it, it is therefore desirable to first sludge is done Dry processing, is then burned again.Mainly there are two kinds to the withering mode of sludge at present, a kind of mode is by sludge It is positioned under the sun and is exposed to the sun, another kind is that sludge is positioned in burning boiler to heat, but sludge is dried above two The drying time of the mode of processing is grown, and the drying sludge degree after drying process is not uniform enough, it is very low to dehydrate efficiency.
The content of the invention
The technical problem of solution is needed for of the invention:There is provided that a kind of energy consumption is low, sludge dewatering drying efficiency is high and sludge is done Dry uniform good high-effective sludge dehydration drying process system.
To solve the above problems, the technical solution adopted by the present invention is:Described high-effective sludge dehydration drying process system, It is made up of one-level drying machine and secondary drying machine, described one-level drying machine is that sludge chain arranges drying machine, is specifically included:Support Seat, tank body crouch on support base, being respectively arranged with an end socket for covering tank body both ends open mouth at the both ends of tank body, in tank The first charging aperture with the intracavity inter-connection of tank body is provided with the top of body, is provided with least one from top to bottom in the inner chamber of tank body Group chain row's drainage conveying device, each chain row drainage conveying device are arranged in the inner chamber of tank body by support, and each chain row drainage is defeated Send device to be driven respectively by a first driving means, tank base is provided with the first discharging with the intracavity inter-connection of tank body Mouthful, sludge from first charging aperture entrance after fall to positioned at the superiors chain row drainage conveying device on, then from top to bottom according to Exported after secondary row's drainage conveying device drainage by each chain from the first discharging opening;Corresponded to respectively in each chain arranges drainage conveying device It is provided with one group of drainage collection device, the moisture in sludge comes together in correspondingly after arranging the infiltration downwards of drainage conveying device by each chain In drainage collection device;Blowdown conveying device is additionally provided with the intracavity bottom of tank body, is provided with and tank body in tank base The sewage draining exit of intracavity inter-connection, the band sewage sludge being scattered in tank body can be exported by blowdown conveying device from sewage draining exit;Institute The secondary drying machine stated is drying sludge tower, is specifically included:Vertically arranged housing, case top be provided with housing The second charging aperture that chamber is connected, second charging aperture is connected with the first discharging opening of sludge chain row's drying machine, in housing bottom It is provided with the second discharging opening with the intracavity inter-connection of housing;It is provided with the uniform cloth of at least one set of sludge from top to bottom in the housing Expect device, main shaft is vertically arranged in housing, and the upper end of main shaft sequentially passes through leading on each group uniform distribution device from bottom to up The through hole of Kong Houcong housings upper end is stretched out outside housing, and the main shaft stretched out outside housing is connected with the second drive device, and sludge is from the Two charging apertures export after passing sequentially through each group sludge uniform distribution device after entering from top to bottom from the second discharging opening;Positioned at most The agitating device for breaing up sludge is provided with main shaft below lower floor's sludge uniform distribution device;Equal positioned at orlop sludge Flue group is additionally provided with housing cavity below even distribution device, high-temperature gas can enter housing by flue group In flow from bottom to top, sequentially pass through and flow into sludge chain from second charging aperture, first charging aperture after each sludge uniform distribution device In the tank inner chamber for arranging drying machine, then discharged from sewage draining exit.
Further, foregoing high-effective sludge dehydration drying process system, wherein, the knot of every group of chain row's drainage conveying device Structure is:Drive sprocket axle and driven chain wheel shaft are arranged on support by clutch shaft bearing seat supports respectively, drive sprocket axle and from Movable sprocket axle is located at the both ends of tank inner chamber respectively, and first drive chain is respectively arranged with the front and rear sides of drive sprocket axle Wheel, is respectively arranged with first driven sprocket in the front and rear sides of driven chain wheel shaft, the front side edge of chain row is wound in be located at before On the first drive sprocket and the first driven sprocket of side, the back side edge of chain row is wound in the first drive sprocket and the positioned at rear side On one driven sprocket, the upper surface of chain row is carries the loading end of sludge, and guipure is wound on chain row, and the moisture in sludge can lead to Infiltration, drive sprocket axle are driven mesh and the chain row crossed on guipure by first driving means downwards.
Further, foregoing high-effective sludge dehydration drying process system, wherein, the structure of every group of drainage collection device For:Water accumulating disc is provided with support, water accumulating disc is located in the gap between the upper and lower surface of corresponding chain row, in ponding Disc side is provided with some and discharge outlet and shower nozzle of the intracavity inter-connection of water accumulating disc, and each shower nozzle passes through water pipe and water source phase Connection, each discharge outlet are connected with discharge pipe line respectively.
Further, foregoing high-effective sludge dehydration drying process system, wherein, if being provided with water accumulating disc bottom interval Dry camshaft, each camshaft are arranged at ponding tray bottom by second bearing seat supports respectively, are set respectively on each camshaft There is cam, the outer surface of each cam is contacted with being wound with the lower surface that the chain of guipure is arranged, is respectively arranged with each camshaft First sprocket wheel, the first chain are wound on each first sprocket wheel, and is provided with a certain camshaft below drive sprocket Two driven sprockets, are additionally provided with the second drive sprocket on drive sprocket axle, the second chain be wound in the second drive sprocket axle and On second driven sprocket, each cam can push up the following table that the chain for being wound with guipure is arranged upwardly under the driving of first driving means Rise or it is hung under gravity, so as to which the sludge adhered on guipure be kicked down.
Further, foregoing high-effective sludge dehydration drying process system, wherein, the structure of described blowdown conveying device For:Blowdown screw rod both ends are arranged at the bottom of tank inner chamber by 3rd bearing seat supports, and blowdown screw rod is by the 3rd drive device Driving;A guide plate being obliquely installed is respectively arranged with the front side of blowdown screw rod and rear side, guide plate can guide band water dirty Mud is collected at blowdown screw rod;Described sewage draining exit is made up of sludge outlet and exhaust outlet, and the upper end of sludge outlet is located at The lower section of blowdown screw rod outlet side, exhaust outlet are connected with blower fan, and it is right in tank inner chamber that high-temperature gas enters from the first discharging opening Sludge in each chain row's drainage conveying device is dried after processing by the external side of exhaust outlet drain tank.
Further, foregoing high-effective sludge dehydration drying process system, wherein, the knot of every group of sludge uniform distribution device Structure is:In the housing from being arranged at intervals with the umbrella shape mesh plate with mesh and the inverted umbrella mesh plate with mesh, umbrella shape mesh plate Edge and the edge of inverted umbrella mesh plate be respectively fixedly disposed on housing cavity wall, umbrella shape mesh plate is located at inverted umbrella mesh The top of plate, the through hole of some up/down perforations is provided with umbrella shape mesh plate edge, and each through hole aperture is more than umbrella shape net Mesh aperture on orifice plate, the upper through hole passed through for main shaft is provided with the middle part of umbrella shape mesh plate, in the middle part of inverted umbrella mesh plate The lower through-hole passed through for main shaft is provided with, main shaft is interspersed when being arranged in through hole and lower through-hole, between main shaft and upper through hole The aperture of each through hole is smaller than, the spacing between main shaft and lower through-hole is more than mesh aperture on inverted umbrella mesh plate;In umbrella Upper scraping plate is fixedly installed on main shaft above shape mesh plate, is scraped under being fixedly installed on the main shaft above inverted umbrella mesh plate Plate, when the second drive device drive shaft rotates, upper scraping plate can will be along the sludge that collect to each through hole in the middle part of umbrella shape mesh plate Uniform distribution is then fallen on inverted umbrella mesh plate edge, lower scraping plate on the upper surface of umbrella shape mesh plate from each through hole Can by the sludge uniform distribution collected along umbrella shape mesh plate edge to lower through-hole on the upper surface of inverted umbrella mesh plate, then from Lower through-hole drops downwards.
Further, foregoing high-effective sludge dehydration drying process system, wherein, the structure of described agitating device is: It is arranged at intervals with least two agitating paddles from top to bottom on main shaft.
Further, foregoing high-effective sludge dehydration drying process system, wherein, described flue group includes first Flue group and the second flue group, the first flue group and the second flue group are symmetrically distributed in housing respectively The both sides of chamber;First flue group is made up of at least three first flues, the upper end of each first flue respectively to Outside bending makes internal chamber wall of the exhanst gas outlet thereon towards housing;Second flue group is by least three second flues Form, bending makes internal chamber wall of the exhanst gas outlet thereon towards housing laterally respectively for the upper end of each second flue.
Further, foregoing high-effective sludge dehydration drying process system, wherein, positioned at the first flue group and Offer the first access hole being connected with housing cavity in housing sidewall between two flue groups, the first maintenance door is by One access hole is covered, and the second access hole is offered respectively on each umbrella shape mesh plate, and energy is provided with each second access hole The second maintenance door with mesh that corresponding second access hole is covered, offer the 3rd inspection respectively on each inverted umbrella mesh plate Mouth is repaiied, the 3rd maintenance door with mesh that corresponding 3rd access hole can be covered is provided with each 3rd access hole.
Further, foregoing high-effective sludge dehydration drying process system, wherein, TEMP is provided with housing Device, pressure sensor and safety valve, observation panel and reserved charge door are additionally provided with housing sidewall;Set on tank wall There are temperature sensor, pressure sensor and safety valve, the 4th maintenance door is provided with end socket.
The beneficial effects of the invention are as follows:(One)Pending sludge passes sequentially through first charging aperture and entered in tank inner chamber, It is laid in each chain row drainage conveying device and carries out drainage, while high-temperature gas enters in tank inner chamber from the first discharging opening, it is right Sludge in each chain row's drainage conveying device is preheated, and the partial moisture in sludge arranges drainage conveying device by each chain It is collected to after infiltration in corresponding drainage collection device, partial moisture is evaporated with high-temperature gas heat exchange, thus substantially increases dirt Mud chain row's drying machine dehydrates efficiency, and the uniformity of drying sludge is good;(Two)If set respectively in each ponding tray bottom Chain can be arranged the sludge adhered on the guipure on lower surface and kicked down by dry cam, prevent sludge from blocking the mesh of guipure, be ensured dirty The mesh that moisture in mud can be passed through on guipure permeates downwards;(Three)In the blowdown conveying device that tank inner chamber bottom is set It can will leak with sewage sludge and be scattered in tank inner chamber from each chain row's drainage conveying device and drainage collection device Sludge drain tank is external, avoids the occurrence of the phenomenon that tank base is piled up in sewage sludge;(Four)Sludge uniform distribution device is set The speed that sludge drops downwards can be substantially reduced by putting, and substantially increase the area that sludge contacts with high-temperature gas, so that Sludge can substantially increase the drying efficiency and drying sludge of drying sludge tower preferably with high-temperature gas abundant contact heat-exchanging Uniformity;(Five)Making the upper end of each first flue and each second flue, bending goes out flue gas thereon laterally respectively Mouth can so avoid the occurrence of the sludge to drop downwards and fall into each first flue and each second cigarette towards the internal chamber wall of housing In feed channel, so as to blocking each first flue and each second flue phenomenon, ensure each the during the work of drying sludge tower One flue and each second flue are unblocked, safe and reliable;(Six)Sludge chain arranges drying machine and drying sludge The energy consumption that tower combines enough sludge dewatering drying process systems is low, easy to maintenance, conveniently, greatly reduce maintenance cost and into This.
Brief description of the drawings
Fig. 1 is the structural representation of high-effective sludge dehydration drying process system of the present invention.
Fig. 2 is the structural representation of the right apparent direction of sludge chain row drying machine in Fig. 1.
Fig. 3 is the internal structure schematic diagram of sludge chain row drying machine in Fig. 1.
Fig. 4 is the internal structure schematic diagram in Fig. 3 left views direction.
Fig. 5 is the partial enlarged drawing of part B in Fig. 4.
Fig. 6 is the structural representation of A-A section view directions in Fig. 1.
Fig. 7 is provided in the overall structure diagram of the support on track.
Fig. 8 is the structural representation of three groups of drainage collection devices.
Fig. 9 is the partial enlarged drawing of C portion in Fig. 3.
Figure 10 is cam and the structural representation of the chain row with guipure.
Figure 11 is the structural representation of the overlook direction of drying sludge tower in Fig. 1.
Figure 12 is the internal structure schematic diagram of the right apparent direction of drying sludge tower in Fig. 1.
Figure 13 is the structural representation of one group of sludge uniform distribution device.
Figure 14 is agitating device and the structural representation of flue group.
Figure 15 is the structural representation of Figure 14 overlook direction flue groups.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment is described in further detail to technical solutions according to the invention.
As shown in figure 1, the high-effective sludge dehydration drying process system described in the present embodiment, is done by one-level drying machine and two level Dry machine composition.Described one-level drying machine is that sludge chain arranges drying machine, and described secondary drying machine is drying sludge tower.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, sludge chain row's drying machine described in the present embodiment, including:Support base 2, tank body 1 crouches on support base 2, being respectively arranged with an end socket 14 for covering the both ends open mouth of tank body 1 at the both ends of tank body 1, in tank The top of body 1 be provided with the first charging aperture of the intracavity inter-connection of tank body 1 11, be provided with from top to bottom in the inner chamber of tank body 1 At least one set of chain row's drainage conveying device 3, each chain row's drainage conveying device 3 are arranged at by support in the inner chamber of tank body 1, each chain Arrange drainage conveying device 3 to be driven by a first driving means respectively, be provided with the bottom of tank body 1 and be connected with the inner chamber of tank body 1 The first logical discharging opening 12, sludge fall to chain row's drainage conveying device 3 positioned at the superiors after the entrance of first charging aperture 11 On, exported after then passing sequentially through each drainage of chain row's drainage conveying device 3 from top to bottom from the first discharging opening 12;Arrange and filter in each chain It is correspondingly arranged on one group of drainage collection device 4 in water conveying device 3 respectively, the moisture in sludge passes through each chain and arranges drainage conveying dress Come together in after putting 3 infiltrations downwards in corresponding drainage collection device 4;Blowdown conveying device is additionally provided with the intracavity bottom of tank body 1 5, it is provided with the bottom of tank body 1 with the sewage draining exit of the intracavity inter-connection of tank body 1 13, the band sewage sludge energy being scattered in tank body 1 Exported by blowdown conveying device 5 from sewage draining exit 13.As shown in figs. 4 and 7, set in the present embodiment in the intracavity bottom of tank body 1 There is guide rail 17, frame bottom is provided with some rollers 18 being engaged with guide rail 17, support can be by each roller 18 in guide rail Moved on 17.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 7, the structure of every group of chain row's drainage conveying device 3 is in the present embodiment:Drive chain Wheel shaft 61 and driven chain wheel shaft 62 are arranged on support by clutch shaft bearing seat supports respectively, drive sprocket axle 61 and driven sprocket Axle 62 is located at the both ends of the inner chamber of tank body 1 respectively, and first drive chain is respectively arranged with the front and rear sides of drive sprocket axle 61 Wheel, first driven sprocket is respectively arranged with the front and rear sides of driven chain wheel shaft 62, and the front side edge of chain row 31 is wound in position In on the first drive sprocket and the first driven sprocket of front side, the back side edge of chain row 31 is wound in the first drive chain positioned at rear side On wheel and the first driven sprocket, the upper surface of chain row 31 is the loading end of carrying sludge, and guipure is wound on chain row 31, in sludge Moisture can be by the mesh on guipure and the infiltration downwards of chain row 31, drive sprocket axle 61 drive by drive device.Described drive The structure of dynamic device is:First reducing motors 102 are provided with support, the output shaft of first reducing motors 102 passes through transmission Device is connected with drive sprocket axle 61, and transmission device can use V belt translation, Chain conveyer, one kind in gear drive or several Kind.As shown in figs, the structure of every group of drainage collection device 4 is in the present embodiment:Water accumulating disc is provided with support 41, water accumulating disc 41 is located at corresponding chain and arranged in the gap between 31 upper surface 311 and lower surface 312, is set in the side of water accumulating disc 41 Some and 43 mouthfuls of the draining of the intracavity inter-connection of water accumulating disc 41 and shower nozzle are equipped with, each shower nozzle is connected by water pipe with water source Connect, each discharge outlet 43 is connected with discharge pipe line 44 respectively.Some v-depressions being inwardly recessed are provided with water accumulating disc 41 42, each discharge outlet 43 is respectively arranged at the side of water accumulating disc 41 at the bottom land of corresponding v-depression 42, each shower nozzle, each draining The setting of mouth 43 and each v-depression 42, the drainage in water accumulating disc 41 can be guided and arranged through guipure mesh and chain in 31 gaps The sludge of leakage is collected to the bottom land of each v-depression 42, and is discharged by discharge outlet 43 outside water accumulating disc 41, avoids the occurrence of sludge and sticks Attached be piled up in water accumulating disc 41 and phenomenon can not be discharged.The bottom interval of water accumulating disc 41 is provided with some cams in the present embodiment Axle, each camshaft are arranged at the bottom of water accumulating disc 41 by second bearing seat supports respectively, are respectively arranged with each camshaft convex Wheel 45, the lower surface 312 of chain row 31 of the outer surface of each cam 45 with being wound with guipure contact, set respectively on each camshaft The first sprocket wheel 65 is equipped with, the first chain is wound on each first sprocket wheel 65, on a certain camshaft below drive sprocket The second driven sprocket 64 is provided with, the second drive sprocket 63 is additionally provided with drive sprocket axle, the second chain is wound in second On the driven sprocket 64 of drive sprocket 63 and second, each cam 45 will can be wound with the driving of corresponding first reducing motors 102 The lower surface 312 of the chain row 31 of guipure jacks up upwards or it is hung under gravity, so as to the dirt that will adhere on guipure Mud kicks down.
As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 9, the structure of the blowdown conveying device 5 described in the present embodiment is:Blowdown screw rod 50 both ends are arranged at the bottom of the inner chamber of tank body 1 by 3rd bearing seat supports, and blowdown screw rod 51 is driven by the 3rd drive device, institute The 3rd drive device stated is the 3rd reducing motor 101 being arranged on tank body 1, and blowdown screw rod 51 is by the 3rd reducing motor 101 Driving;A guide plate being obliquely installed 51, two pieces of energy of guide plate 51 are respectively arranged with the front side of blowdown screw rod 50 and rear side Guiding band sewage sludge is collected at blowdown screw rod 50.Described sewage draining exit 13 is made up of sludge outlet 131 and exhaust outlet 132, The upper end of sludge outlet 131 is located at the lower section of blowdown screw rod outlet side 52, and exhaust outlet 132 is connected with blower fan, high-temperature gas After processing is dried in the sludge being pointed in from the first discharging opening 12 into the inner chamber of tank body 1 in each chain row's drainage conveying device 3 The outside of tank body 1 is discharged by exhaust outlet 132.As shown in figure 3, in actual use, pending sludge is stored in storage In case 21, feeding pipe 22 is provided between first charging aperture 11 and storage box 21, the sludge in storage box 21 can be by entering Expects pipe road 22, first charging aperture 11 enter in the inner chamber of tank body 1;Sludge is set to return between storage box 21 and sludge outlet 131 Closed tube road 23, the band sewage sludge exported by blowdown conveying device 5 are conveyed by sludge outlet 131 and sludge recovery pipe 23 Into storage box 21.In the present embodiment, temperature sensor, pressure sensor and safety valve, temperature are provided with the side wall of tank body 1 Sensor and pressure sensor are used to detect the temperature value and pressure value in the inner chamber of tank body 1, the pressure value mistake in the inner chamber of tank body 1 Gao Shi, it can open the safety-valve and carry out pressure release, the 4th maintenance door 16 is provided with end socket 14, maintainer can pass through the 4th Maintenance door 16, which enters in tank body 1, is repaired.
As shown in Figure 1, Figure 11 and Figure 12, the drying sludge tower described in the present embodiment, including:Vertically arranged housing 8, The top of housing 8 be provided with the second charging aperture of the intracavity inter-connection of housing 8 83, be provided with the bottom of housing 8 and housing 8 Intracavity inter-connection the second discharging opening;It is provided with least one set of sludge uniform distribution device 9 from top to bottom in housing 8, this In embodiment, three groups of sludge uniform distribution devices 9 are arranged at intervals with from top to bottom in the inner chamber of housing 8.Main shaft 10 is vertically set It is placed in housing 8, the upper end of main shaft 10 sequentially passes through after the through hole on each group uniform distribution device 9 from housing 8 from bottom to up The through hole at end is stretched out outside housing 8, and the main shaft 10 stretched out outside housing 8 is connected with the second drive device, the described second driving dress The structure put is:Second reducing motors 81 are provided with the top of housing 8, the output shaft of second reducing motors 81 fills by being driven To put and be connected with main shaft 10, described transmission device can use the one or more in V belt translation, Chain conveyer, gear drive, Transmission device in the present embodiment uses Chain conveyer.Sludge passes sequentially through each group dirt from top to bottom after the entrance of second charging aperture 83 Exported after mud uniform distribution device 9 from the second discharging opening;On the main shaft 10 below orlop sludge uniform distribution device 9 The agitating device for breaing up sludge is provided with, the structure of the agitating device described in the present embodiment is:From up on main shaft 10 Under be arranged at intervals with least two agitating paddles 120.In the housing 8 positioned at the lower section of orlop sludge uniform distribution device 9 Flue group 110 is additionally provided with chamber, high-temperature gas can be by the inner chamber of the entrance housing 8 of flue group 110 and under Flow up, exported after sequentially passing through each sludge uniform distribution device 9 from second charging aperture 83.In housing 8 in the present embodiment Heat-insulation layer 86 made of insulation material are provided with internal chamber wall, described insulation material can use ceramic fibre, be incubated Flame retardant coating 87, described refractory material made of refractory material is set to use fire clay on the madial wall of layer 86.
As shown in Figure 12 and Figure 13, the structure of every group of sludge uniform distribution device 9 is:It is spaced and sets in the inner chamber of housing 8 It is equipped with the umbrella shape mesh plate 91 with mesh and the inverted umbrella mesh plate 92 with mesh, the edge and inverted umbrella net of umbrella shape mesh plate 91 The edge of orifice plate 92 is respectively fixedly disposed on the internal chamber wall of housing 8, and umbrella shape mesh plate 91 is located at the upper of inverted umbrella mesh plate 92 Side, the through hole 911 of some up/down perforations is provided with the edge of umbrella shape mesh plate 91, each aperture of through hole 911 is more than umbrella shape Mesh aperture on mesh plate 91, the upper through hole passed through for main shaft 10 is provided with the middle part of umbrella shape mesh plate 91, in inverted umbrella The middle part of mesh plate 92 is provided with the lower through-hole passed through for main shaft 10, and main shaft 10 is interspersed when being arranged in through hole and lower through-hole, The aperture for being smaller than each through hole 911 between main shaft 10 and upper through hole, the spacing between main shaft 10 and lower through-hole are more than to fall Mesh aperture on umbrella shape mesh plate 92;Upper scraping plate 912 is fixedly installed on main shaft 10 above umbrella shape mesh plate 91, in umbrella Lower scraping plate 922 is fixedly installed on the main shaft 10 of the top of shape mesh plate 92, when the drive shaft 10 of second reducing motors 81 rotates, on Scraper plate 912 can will fall off sludge uniform distribution at the middle part of umbrella shape mesh plate 91 on the upper surface of umbrella shape mesh plate 91, sludge Collect along the upper table of umbrella shape mesh plate 91 towards each through hole 911 and fall to inverted umbrella mesh plate 92 from each through hole 911 On edge, lower scraping plate 922 can will fall off the sludge uniform distribution at the edge of inverted umbrella mesh plate 92 in inverted umbrella mesh plate 92 On upper surface, through hole collects and dropped downwards from lower through-hole upper table of the sludge along inverted umbrella mesh plate 92 downwards.
As shown in Figure 12, Figure 14 and Figure 15, the flue group 110 described in the present embodiment includes the first flue group With the second flue group, the first flue group and the second flue group are symmetrically distributed in the two of the inner chamber of housing 8 respectively Side.First flue group is made up of at least three first flues 111, the first flue group described in the present embodiment It is made up of five the first flues 111 being set up in parallel, the upper end of each first flue 111 is bent laterally respectively, is made The exhanst gas outlet 112 of each first flue 111 is respectively facing the internal chamber wall of housing 8;Second flue group is by least three Second flue 121 is formed, and the second flue group described in the present embodiment is by five the second fume pipes being set up in parallel Road 121 is formed, and the upper end of each second flue 1121 is bent laterally respectively, goes out the flue gas of each second flue 121 Internal chamber wall of the mouth 122 towards housing 8.In the shell between the first flue group and the second flue group in the present embodiment The first access hole with the intracavity inter-connection of housing 8 is offered in the side wall of body 8, the first maintenance door 84 can cover the first access hole Firmly, the second access hole is offered respectively on each umbrella shape mesh plate 91, being provided with each second access hole can be by corresponding second The second maintenance door with mesh that access hole covers, the 3rd access hole is offered on each inverted umbrella mesh plate 92 respectively, The 3rd maintenance door with mesh that corresponding 3rd access hole can be covered is provided with each 3rd access hole.In the present embodiment Temperature sensor, pressure sensor and safety valve are additionally provided with housing 8, temperature sensor and pressure sensor are used to detect shell Temperature value and pressure value in the inner chamber of body 8, when the pressure value in the inner chamber of housing 8 is too high, it can open the safety-valve and carry out pressure release, Observation panel and reserved charge door 82 are additionally provided with the side wall of housing 8, when drying sludge tower works, operator can pass through observation Drying sludge situation in mouth observation housing cavity, preferably to control drying sludge tower, in actual use, sludge is done The discharging opening of dry tower lower end is connected with burner, and the sludge to be dropped from drying sludge tower, which is fallen into burner, to be burned, and is burnt Flue gas caused by burning, in actual use can also be by reserving charge door 82 as the high-temperature gas into housing cavity Other materials are added into sludge, so that the sludge fallen into burner can be burned preferably.
The present embodiment arranges drainage conveying devices to be provided with three groups of chains from top to bottom in the inner chamber of tank body 1:Upper strata chain row Illustrated exemplified by drainage conveying device, middle level chain row's drainage conveying device and lower floor's chain row's drainage conveying device, such as Fig. 7 institutes Show, upper strata chain row's drainage conveying device end positioned at the lower section of first charging aperture 11 is the first sludge upstream end 71, and upper strata chain is arranged The other end of drainage conveying device is the first sludge output end 72, positioned at the first sludge output end 72 of upper strata chain row's water treatment plant Middle level chain row's drainage conveying device end of lower section be the second sludge upstream end 73, middle level chain arranges the another of drainage conveying device Hold as the second sludge output end 74, lower floor's chain row's filter positioned at the lower section of the second sludge output end 74 of middle level chain row's water treatment plant Water conveying device end is the 3rd sludge upstream end 75, and the other end of lower floor's chain row's drainage conveying device is the 3rd sludge output end 76, the 3rd sludge output end 76 is located at the top of discharging opening 12.In actual use, set at the second sludge upstream end 73 There is the first hopper 32, pass through the first hopper 32 from the sludge of the first sludge output end 72 output of upper strata chain row's drainage conveying device Fall to the second sludge upstream end 73 of middle level chain row's drainage conveying device.The second material is provided with the 3rd sludge upstream end 75 Bucket 33, fallen to down from the sludge of the second sludge output end 74 output of middle level chain row's drainage conveying device by the second hopper 33 3rd sludge upstream end 75 of layer chain row's drainage conveying device.The 3rd hopper 34 is provided with the first discharging opening 12, from lower floor The sludge of the 3rd sludge output end 76 output of chain row's drainage conveying device falls to the first discharging opening 12 by the 3rd hopper 34 In.
During work, the first sludge that sludge falls to upper strata chain row's drainage conveying device after the entrance of first charging aperture 11 enters Enter end 71, chain row's drainage conveying device in upper strata is transmitted under the driving of corresponding first reducing motors 102, and sludge is dirty from first Mud upstream end 71 is transmitted to the first sludge output end 72, and during transport, the moisture in sludge can pass through the row's filter of upper strata chain Guipure and the infiltration downwards of chain row 31 in water conveying device, the drainage of infiltration comes together in be arranged in drainage conveying device positioned at upper strata chain Water accumulating disc 41 in, now to sludge carry out first time drainage operation.Then first from upper strata chain row's drainage conveying device is dirty The sludge that mud output end 72 exports falls to the second sludge upstream end of middle level chain row's drainage conveying device by the first hopper 32 73, chain row's drainage conveying device in middle level is transmitted under the driving of corresponding first reducing motors 102, and sludge is entered from the second sludge Enter end 73 to transmit to the second sludge output end 74, during transport, it is defeated that the moisture in sludge can pass through middle level chain row's drainage The guipure in device and the infiltration downwards of chain row 31 are sent, the drainage of infiltration comes together in the product arranged positioned at middle level chain in drainage conveying device In water pond 41, second of drainage operation now is carried out to sludge.From the second sludge output end of middle level chain row's drainage conveying device The sludge of 74 outputs falls to the 3rd sludge upstream end 75 of lower floor's chain row's drainage conveying device, lower floor's chain by the second hopper 33 Row's drainage conveying device is transmitted under the driving of corresponding first reducing motors 102, and sludge is passed from the 3rd sludge upstream end 75 The 3rd sludge output end 76 is transported to, during transport, the moisture in sludge can be passed through in lower floor's chain row's drainage conveying device Guipure and the infiltration downwards of chain row 31, the water accumulating disc 41 that the drainage of infiltration is come together in lower floor's chain row's drainage conveying device In, third time drainage operation now is carried out to sludge.Then from the 3rd sludge output end 76 of lower floor's chain row's drainage conveying device The sludge of output is entered in housing cavity by the 3rd hopper 34, the first discharging opening 12, second charging aperture 83.The present embodiment with Set in housing cavity and illustrate exemplified by three groups of uniform distribution devices 9, the sludge entered from second charging aperture 83 falls to position In on the uniform distribution device 9 of the superiors, the upper scraping plate 912 in the uniform distribution device 9 of the superiors can will fall off in umbrella shape net The sludge uniform distribution at the middle part of orifice plate 91 on the upper surface of umbrella shape mesh plate 91, upper table of the sludge along umbrella shape mesh plate 91 towards Each through hole 911 collects and fallen to from each through hole 911 on the edge of inverted umbrella mesh plate 92, and lower scraping plate 922 can will fall off The sludge uniform distribution at the edge of inverted umbrella mesh plate 92 is on the upper surface of inverted umbrella mesh plate 92, and sludge is along inverted umbrella mesh plate Through hole collects and fallen to downwards from lower through-hole in the second layer uniform distribution device 9 of lower section 92 upper table downwards, and sludge is equal Even cloth is fallen in the third layer uniform distribution device 9 of lower section again after second layer uniform distribution device continues uniform distribution, Then drop downwards and exported from the second discharging opening.While the first charging aperture 11 of sludge from sludge chain row's drying machine enters, High-temperature gas flows from bottom to top from by the entrance housing 1 of flue group 110, sequentially passes through each sludge uniform distribution device Flowed into after 9 from second charging aperture 83, the first discharging opening 12 in the inner chamber of tank body 1 of sludge chain row's drying machine, be pointed to lower floor respectively Pass through row after sludge heat exchange on chain row's drainage conveying device, middle level chain row's drainage conveying device and upper strata chain row's water treatment plant The drain tank of gas port 132 is external.
It is an advantage of the invention that:(One)Pending sludge passes sequentially through first charging aperture 11 and entered in the inner chamber of tank body 1, puts down It is laid in each chain row's drainage conveying device 3 and carries out drainage, while high-temperature gas enters in the inner chamber of tank body 1 from discharging opening 12, contraposition Preheated in the sludge in each chain row's drainage conveying device 3, the partial moisture in sludge arranges drainage conveying device 3 by each chain It is collected to after infiltration in corresponding drainage collection device 4, partial moisture is evaporated with high-temperature gas heat exchange, thus substantially increases dirt Mud chain row's drying machine dehydrates efficiency, and the uniformity of drying sludge is good;(Two)Set respectively in each bottom of water accumulating disc 41 Chain can be arranged the sludge adhered on the guipure on 31 lower surfaces 312 and kicked down by some cams 45, prevent sludge from blocking the net of guipure Hole, the mesh that ensureing the moisture in sludge can pass through on guipure permeate downwards;(Three)In the row that the intracavity bottom of tank body 1 is set Dirty conveying device 5 can will arrange the band sewage sludge leaked in drainage conveying device 3 and drainage collection device 4 from each chain and be scattered in Outside sludge discharge tank body 1 in the inner chamber of tank body 1, the phenomenon that the bottom of tank body 1 is piled up in sewage sludge is avoided the occurrence of;(Four)Sludge is equal The setting of even distribution device 9 can substantially reduce the speed that sludge drops downwards, and substantially increase sludge and connect with high-temperature gas Tactile area, so that sludge can substantially increase the drying of drying sludge tower preferably with the abundant contact heat-exchanging of high-temperature gas The uniformity of efficiency and drying sludge;(Five)Make the upper end of each first flue 111 and each second flue 121 respectively to Outside bending makes internal chamber wall of the exhanst gas outlet thereon towards housing 8, can so avoid the occurrence of the sludge to drop downwards and fall into In each first flue 111 and each second flue 121, so as to blocking each first flue 111 and each second flue gas The phenomenon of pipeline 121, ensure that each first flue 111 and each second flue 121 are unblocked during the work of drying sludge tower, It is safe and reliable;(Six)Sludge chain arranges drying machine and drying sludge tower combines the energy of enough sludge dewatering drying process systems Consume it is low, it is easy to maintenance, conveniently, greatly reduce maintenance cost and cost.

Claims (10)

1. high-effective sludge dehydration drying process system, is made up of one-level drying machine and secondary drying machine, it is characterised in that:Described One-level drying machine is that sludge chain arranges drying machine, is specifically included:Support base, tank body crouch on support base, distinguished at the both ends of tank body An end socket for covering tank body both ends open mouth is provided with, first with the intracavity inter-connection of tank body is provided with the top of tank body Charging aperture, it is provided with least one set of chain row drainage conveying device, each chain row drainage conveying dress from top to bottom in the inner chamber of tank body To put and be arranged at by support in the inner chamber of tank body, each chain row's drainage conveying device is driven by a first driving means respectively, Tank base is provided with the first discharging opening with the intracavity inter-connection of tank body, and sludge is fallen to after first charging aperture entrance to be located at In chain row's drainage conveying device of the superiors, then pass sequentially through from top to bottom after each chain row's drainage conveying device drainage from first Discharging opening exports;One group of drainage collection device is correspondingly arranged on respectively in each chain arranges drainage conveying device, the moisture in sludge Come together in after arranging the infiltration downwards of drainage conveying device by each chain in corresponding drainage collection device;Also set in the intracavity bottom of tank body Blowdown conveying device is equipped with, tank base is provided with the sewage draining exit with the intracavity inter-connection of tank body, is scattered in tank body Band sewage sludge can be exported by blowdown conveying device from sewage draining exit;Described secondary drying machine is drying sludge tower, is specifically included: Vertically arranged housing, case top is provided with the second charging aperture with the intracavity inter-connection of housing, second charging aperture and dirt First discharging opening of mud chain row's drying machine is connected, and housing bottom is provided with the second discharging with the intracavity inter-connection of housing Mouthful;It is provided with least one set of sludge uniform distribution device from top to bottom in the housing, main shaft is vertically arranged in housing, main shaft Upper end is stretched out outside housing after sequentially passing through the through hole on each group uniform distribution device from bottom to up from the through hole of housing upper end, stretches out Main shaft outside housing is connected with the second drive device, and sludge passes sequentially through each group dirt from top to bottom after second charging aperture entrance Exported after mud uniform distribution device from the second discharging opening;Set on the main shaft below orlop sludge uniform distribution device There is the agitating device for breaing up sludge;Cigarette is additionally provided with the housing cavity below orlop sludge uniform distribution device Feed channel group, high-temperature gas can be entered in housing by flue group to be flowed from bottom to top, sequentially passes through the uniform cloth of each sludge Flow into the tank inner chamber of sludge chain row's drying machine from second charging aperture, first charging aperture after expecting device, then arranged from sewage draining exit Go out.
2. according to the high-effective sludge dehydration drying process system described in claim 1, it is characterised in that:Every group of chain row's drainage conveying The structure of device is:Drive sprocket axle and driven chain wheel shaft are arranged on support by clutch shaft bearing seat supports respectively, drive chain Wheel shaft and driven chain wheel shaft are located at the both ends of tank inner chamber respectively, and one the is respectively arranged with the front and rear sides of drive sprocket axle One drive sprocket, first driven sprocket, the front side edge winding of chain row are respectively arranged with the front and rear sides of driven chain wheel shaft In on the first drive sprocket and the first driven sprocket positioned at front side, the back side edge of chain row is wound in the first active positioned at rear side On sprocket wheel and the first driven sprocket, the upper surface of chain row is the loading end of carrying sludge, and guipure is wound on chain row, in sludge Moisture can infiltration, drive sprocket axle be driven by first driving means downwards by the mesh on guipure and chain row.
3. according to the high-effective sludge dehydration drying process system described in claim 2, it is characterised in that:Every group of drainage collection device Structure be:Water accumulating disc is provided with support, water accumulating disc is located in the gap between the upper and lower surface of corresponding chain row, Be provided with ponding disc side it is some with discharge outlet and shower nozzle of the intracavity inter-connection of water accumulating disc, each shower nozzle by water pipe with Water source is connected, and each discharge outlet is connected with discharge pipe line respectively.
4. according to the high-effective sludge dehydration drying process system described in claim 3, it is characterised in that:In water accumulating disc bottom interval Some camshafts are provided with, each camshaft is arranged at ponding tray bottom by second bearing seat supports respectively, on each camshaft Cam is respectively arranged with, the outer surface of each cam is contacted with being wound with the lower surface that the chain of guipure is arranged, divided on each camshaft The first sprocket wheel is not provided with, and the first chain is wound on each first sprocket wheel, on a certain camshaft below drive sprocket The second driven sprocket is provided with, the second drive sprocket is additionally provided with drive sprocket axle, the second chain is wound in second actively On sprocket wheel and the second driven sprocket, each cam can will be wound with the lower surface of the chain row of guipure under the driving of first driving means Jack up upwards or it is hung under gravity, so as to which the sludge adhered on guipure be kicked down.
5. according to the high-effective sludge dehydration drying process system described in claim 1 or 2, it is characterised in that:Described blowdown is defeated The structure for sending device is:Blowdown screw rod both ends are arranged at the bottom of tank inner chamber by 3rd bearing seat supports, blowdown screw rod by 3rd drive device drives;A guide plate being obliquely installed, guide plate are respectively arranged with the front side of blowdown screw rod and rear side Band sewage sludge can be guided to be collected at blowdown screw rod;Described sewage draining exit is made up of sludge outlet and exhaust outlet, sludge discharge The upper end of mouth is located at the lower section of blowdown screw rod outlet side, and exhaust outlet is connected with blower fan, and high-temperature gas enters from the first discharging opening The sludge being pointed in tank inner chamber in each chain row's drainage conveying device is dried external by exhaust outlet drain tank after processing Side.
6. according to the high-effective sludge dehydration drying process system described in claim 1, it is characterised in that:Every group of sludge uniform distribution The structure of device is:The umbrella shape mesh plate with mesh and the inverted umbrella mesh plate with mesh, umbrella shape are arranged at intervals with the housing The edge of mesh plate and the edge of inverted umbrella mesh plate are respectively fixedly disposed on housing cavity wall, and umbrella shape mesh plate is positioned at umbrella The top of shape mesh plate, the through hole of some up/down perforations is provided with umbrella shape mesh plate edge, and each through hole aperture is more than Mesh aperture on umbrella shape mesh plate, the upper through hole passed through for main shaft is provided with the middle part of umbrella shape mesh plate, in inverted umbrella mesh The lower through-hole passed through for main shaft is provided with the middle part of plate, main shaft is interspersed when being arranged in through hole and lower through-hole, main shaft and upper through hole Between the aperture for being smaller than each through hole, spacing between main shaft and lower through-hole is more than mesh hole on inverted umbrella mesh plate Footpath;Upper scraping plate is fixedly installed on the main shaft above umbrella shape mesh plate, it is fixed on the main shaft above inverted umbrella mesh plate to set Lower scraping plate is equipped with, when the second drive device drive shaft rotates, upper scraping plate will can converge along in the middle part of umbrella shape mesh plate to each through hole The sludge uniform distribution collected then falls to inverted umbrella mesh plate edge on the upper surface of umbrella shape mesh plate from each through hole On, lower scraping plate can be by the sludge uniform distribution collected along umbrella shape mesh plate edge to lower through-hole in the upper surface of inverted umbrella mesh plate On, then dropped downwards from lower through-hole.
7. according to the high-effective sludge dehydration drying process system described in claim 1, it is characterised in that:Described agitating device Structure is:It is arranged at intervals with least two agitating paddles from top to bottom on main shaft.
8. according to the high-effective sludge dehydration drying process system described in claim 6 or 7, it is characterised in that:Described fume pipe Road group includes the first flue group and the second flue group, and the first flue group and the second flue group are respectively symmetrically It is distributed in the both sides of housing cavity;First flue group is made up of at least three first flues, each first flue Upper end respectively laterally bending make internal chamber wall of the exhanst gas outlet thereon towards housing;Second flue group is by least three Second flue is formed, and bending laterally makes exhanst gas outlet thereon towards housing respectively for the upper end of each second flue Internal chamber wall.
9. according to the high-effective sludge dehydration drying process system described in claim 8, it is characterised in that:Positioned at the first fume pipe The first access hole being connected with housing cavity, the first inspection are offered in housing sidewall between road group and the second flue group Repair the access hole of goalkeeper first to cover, the second access hole is offered respectively on each umbrella shape mesh plate, at each second access hole The second maintenance door with mesh that corresponding second access hole can be covered is provided with, is opened up respectively on each inverted umbrella mesh plate There is the 3rd access hole, the maintenance of the 3rd with mesh that corresponding 3rd access hole can be covered is provided with each 3rd access hole Door.
10. according to the high-effective sludge dehydration drying process system described in claim 1,2 or 6, it is characterised in that:Set on housing Temperature sensor, pressure sensor and safety valve are equipped with, observation panel and reserved charge door are additionally provided with housing sidewall;In tank Temperature sensor, pressure sensor and safety valve are provided with body sidewall, the 4th maintenance door is provided with end socket.
CN201510886099.4A 2015-12-07 2015-12-07 High-effective sludge dehydration drying process system Active CN105366913B (en)

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CN204689861U (en) * 2015-05-14 2015-10-07 四川润雅环境工程有限公司 Belt type sludge drying system

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CN202022837U (en) * 2011-04-18 2011-11-02 上海凡清环境工程有限公司 Sludge heat drying device
CN103482839A (en) * 2012-06-14 2014-01-01 河南江河纸业股份有限公司 Belt type sludge dryer and method for drying sludge by using boiler waste heat
CN103693829A (en) * 2013-12-23 2014-04-02 常州市新港热电有限公司 Sludge treatment equipment and process
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