CN101857348A - Sludge drier - Google Patents
Sludge drier Download PDFInfo
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- CN101857348A CN101857348A CN201010191157A CN201010191157A CN101857348A CN 101857348 A CN101857348 A CN 101857348A CN 201010191157 A CN201010191157 A CN 201010191157A CN 201010191157 A CN201010191157 A CN 201010191157A CN 101857348 A CN101857348 A CN 101857348A
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- tubular shaft
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- sludge drier
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Abstract
The invention discloses a sludge drier which belongs to the technical field of drying equipment. The sludge drier comprises a frame, a host machine cabinet, bearing blocks and groups of thermal agitation shafts, wherein the host machine cabinet and the bearing blocks are installed on the frame; thermal agitation shafts are arranged in the host machine cabinet and cooperate with the bearing blocks at two ends; one side of the host machine cabinet is provided with a feeding device, the lower end of the other side is provided with a discharge device; each thermal agitation shaft is a hollow shaft with hollow blades; adjacent blades of thermal agitation shafts of two adjacent groups are staggered; and the host machine cabinet is also provided with an exhaust outlet, an air inlet and a liquid feed port. The invention has the advantages of simple structure, small occupation area, high drying thermal efficiency, low operating cost, short drying time, high single-machine daily throughput and the like, and is suitable for drying treatment of a variety of sludges.
Description
Technical field
The invention discloses a kind of sludge drier, belong to the drying plant technical field.
Background technology
Along with the development in Chinese society economy and city, the generation of municipal effluent is in continuous increase.In recent years, country all actively supported on policy and financial resources, had built large quantities of municipal sewage plants, and to keep water surrounding, the anti-pollution of harnessing the river promotes the Sustainable development of national economy and ecotope, and the municipal effluent problem progressively is eased.Yet the city sewage and sludge treatment and disposal is still a global technical barrier.Mishandlingly will cause serious secondary pollution.The innocuity treatment problem of mud is increasingly serious.
Common sludge drier mainly comprises convection drying and contact drying dual mode in the industry at present.Wherein contact drying institute heat requirement is passed to mud by heat-conducting mode, and the advantage of contact drying is the danger of not having blast and catching fire, and the dry tail that produces is narrow-minded, dry heat efficient height, and the working cost that the tail gas deodorization is handled is lower, and the economy of drying treatment is good.But existing indirect type sludge drier exists and also exists following defective: when equipment normally moved, temperature was higher in the bearing support, need add molybdenumdisulphide or similar lubricating oil during daily maintenance.Because this type of concentration of lubricating oil height is mobile poor, general oil hole is difficult to inject, and could refuel when needing causing equipment out of service.The drying sludge function is moved stably, and charger plays a part very big, has only charging at regular time and quantity could guarantee the steady of discharging.Originally charger is that a step-down gear drives two fulcrums by chain gear, is sent in the drying machine by two opening for feeds.By a Frequency Converter Control, when one group of axle encounters problems, stop the charging inspection, another group axle can not use, thereby has reduced the dry amount of mud.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, purpose is to propose a kind of simple for structure, and floor space is little, dry heat efficient height, and running cost is low, time of drying is short, the unit day output is big, is applicable to the sludge drier that multiple drying sludge is handled.
For realizing the object of the invention, by the following technical solutions: a kind of sludge drier, it is characterized in that: comprise frame, be installed on main frame casing, bearing support on the frame, be installed on and cooperate the some groups of heat agitated axles of installing in the main frame casing and with the two end axles bearing, one side of main frame casing is equipped with feeding unit, the opposite side lower end is provided with drawing mechanism, wherein the heat agitated axle is to arrange on the tubular shaft to be provided with hollow paddle, the adjacent blades of two adjacent groups heat agitated axle also is provided with exhaust outlet, inlet mouth, fluid inlet for being staggered on the main frame casing.
Described frame to the top of main frame casing is equipped with maintenance step frame.
Described feeding unit comprises the casing of band opening for feed, feeding port, the tubular shaft blade, the tubular shaft blade is made up of tubular shaft, blade, blade is spiral to be fixed on the tubular shaft, and the junction is for being tightly connected, tubular shaft blade horizontal cross is installed on the charging bottom half, and the ragged edge of tubular shaft blade bottom blade is 5～20mm to the spacing of charging casing inner bottom part, and feeding port is connected with the main frame casing.
Described bearing support comprises that pedestal is connected with seat cover formula sealing installation, in the middle of the pedestal is bearings mounted dead eye, the plate washer of the front and back correspondence that pedestal is erected by the dead eye periphery and the some web plates between the plate washer are formed, form cavity between pedestal and the seat cover, seat cover one side is provided with a fluid inlet and a liquid outlet.
The present invention carries out in strict accordance with every regulation of country and local environment protection, guarantees that every index reaches specified requirement.Satisfy environmental emission standard and overall control requirement; Low cost, high benefit.Adopt advanced sludge drying Technology,,, reduce construction investment and working cost as far as possible in conjunction with the practical situation of manufacturer guaranteeing to reach under the prerequisite of design objective.Administer and maintain conveniently, system's stable and reliable operation has bigger handiness and adjustability in the operation, and running cost is low, and economical rationality is to satisfy long-range needs; Convenient operation and management, technical requirements is simple, and easy maintenance is convenient to life-time service; Technology advanced person, reliable, practical, stable.
Its advantage also specifically is: 1, compact equipment, the plant area area is little.By device structure as can be known, dry go out heat and mainly provide, and the chuck face gets heat and only accounts for small part by the hollow paddle wall that is arranged on the tubular shaft.So the heat-transfer surface of unit volume equipment is big, can save occupation area of equipment, reduce initial cost.
2, heat utilization efficiency height.Sludge drier adopts the conduction hot mode to heat, and has reduced calorific loss; Compact equipment, and supplementary unit is few, and heat lost by radiation also reduces, and heat utilization efficiency can reach more than 98%.
3, the wedge shape paddle has self-purification capacity, can improve the paddle heat transfer effect.The dispersion force that associated reaction produced of the scarp of rotating propeller blade and particle or powder bed is removed the mud that is attached on the hot face automatically, and paddle is keeping heat transmission function efficiently.In addition, because the reverse rotation of diaxon paddle, the mud on the alternately segmentation compression (at diaxon paddle face at a distance of recently the time) and (at diaxon paddle face at a distance of from the farthest the time) inclined-plane that expands makes near the mud of heat-transfer surface be stirred by fierceness, has improved heat-transfer effect.Wedge shape paddle stirring-type sludge drier heat transfer coefficient is higher.
4, gas usage is few, can reduce or save the part utility appliance accordingly.Owing to do not need to heat with gas, only need a small amount of gas be used to carry the wet branch that is evaporated, remain under the drying operation temperature condition, therefore the dehumidification system portion dew that condenses greatly reduced gas usage in the drying process.Because gas usage is few, gas flow rate is low in the moisture eliminator, the dust of being carried under one's arms out by gas is few, the fuel gas and dust of system is turned one's head conveniently after dry, can dwindle the cyclonic separator size, save or dwindle sack cleaner, scales such as gas heater, gas blower, exhaust gas processing device all can be dwindled, and save facility investment and energy consumption.
5, high overflow weir in the moisture percentage in sewage sludge wide adaptability, product drying can be regulated the residence time in the sludge dryer according to sludge quality and drying conditions, to adapt to the requirement that moisture percentage in sewage sludge changes.In addition, also can regulate the rotating speed and the thermal barrier temperature etc. of feed rate, axle.Therefore the adaptability that moisture percentage in sewage sludge is changed is very extensive.In addition, mud makes mud even from charging opening thorough mixing to flow process in moisture eliminator, thereby has guaranteed that product drying is even under the stirring action of paddle.
6. be applicable to multiple drying operation.Wedge shape paddle formula drying can be regulated the drying process condition by several different methods, and is easy to control.
Below in conjunction with description of drawings and specific embodiment the present invention is elaborated.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the one-piece construction synoptic diagram of feeding unit;
Fig. 3 is the adult structure synoptic diagram of bearing support.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of sludge drier, comprise frame 5, be installed on main frame casing 1, bearing support 2 on the frame 5, be installed on and cooperate the some groups of heat agitated axles of installing 3 in the main frame casing 1 and with two end axles bearing 2, one side of main frame casing 1 is equipped with feeding unit 4, and the opposite side lower end is provided with drawing mechanism 6.Also be provided with exhaust outlet 7, inlet mouth 9, fluid inlet 10 on the main frame casing 1.
Middle heat agitated axle 3 is provided with hollow paddle 32 for arranging on the tubular shaft 31, and the adjacent blades 32 of two adjacent groups heat agitated axle 3 is for being staggered, and blade 32 cross-sectional shapes are wedge shape.Dense arrangement wedge type hollow paddle on the tubular shaft, and thermal medium is through the tubular shaft paddle of flowing through.Heat transfer area is very big in the unit useful volume, and heat medium temperature can be a water vapour from-40 ℃ to 320 ℃, also can be liquid-type: as hot water, heat conduction wet goods.Indirectly conduction heating does not carry air and takes away heat, and heat all is used for adding thermal material.Calorific loss is only for thinking the heat radiation of environment by the body thermal insulation layer.Wedge type paddle heat-transfer surface has self-cleaning function.Material particles and wedge surface get relative movement and scrub effect, can wash off to adhere to material on the wedge surface, make running keep the heat-transfer surface of cleaning always.The main frame casing Lower Half shape of paddle drying machine is the type for W, two to four hollow heat agitated axles of general arrangement in the casing.Casing has end cover and loam cake, prevents that the material dust from leaking and the collection material solvent vapo(u)r.The discharge port place is provided with a baffle plate, guarantees controlling level, heat-transfer surface is covered by material and plays one's part to the full.Heat-transfer medium passes through swivel joint, flow through housing chuck and hollow stir shaft, and hollow heat agitated axle has different internal structures according to the type of thermal medium, to guarantee best heat-transfer effect.
Frame 5 to the top of main frame casing 1 is equipped with maintenance step frame 8.Equipment considers that equipment volume is bigger when normal operation, be not easy about the maintainer ad hoc meter inspection platform.Feeding unit 4 comprises the casing 4 ' of band opening for feed 41, feeding port, tubular shaft blade 42, tubular shaft blade 42 is made up of tubular shaft 421, blade 422, blade 422 spiral being fixed on the tubular shaft 421, and the junction is for being tightly connected, tubular shaft blade 42 horizontal cross are installed on charging casing 4 ' bottom, and the ragged edge of tubular shaft blade 42 bottom blades is 5～20mm to the spacing of charging casing 4 ' inner bottom part, and feeding port is connected with main frame casing 1.Wherein, automatic submerged arc welding machine is adopted in the welding of tubular shaft blade 42 and tubular shaft 421, can guarantee welding quality, can alleviate welder's labour intensity again.Two step-down gears of charger configuration of the present invention, every axle has a style of one's own, and power transmission section divides design simple, just with maintenance, respectively by two Frequency Converter Control, also is to stop out when running into maintenance, does not influence another works better.
Principle of work of the present invention is: the whole drying process of mud is carried out under closed state, and organic volatile gas with foreign flavor and moisture content thereof are delivered to exhaust gas processing device at airtight atmosphere by blower unit, thereby has avoided the pollution to environment.Heating medium is selected steam, hot water, heat conduction wet goods fluid medium usually for use, axle head is by the swivel joint that imports and exports, heating medium is divided into two-way and enters dry crustless sandwich and paddle shaft inner chamber respectively, machine chamber and heat agitated axle axle are heated simultaneously, mud is carried out drying and other treatment in the mode of conduction heating.After mud enters the machine chamber, rotation by paddle makes the mud upset, stirs, and continual renovation warming interface, fully with heat after the device body contact with paddle, thereby the moisture of mud is evaporated in a large number, mud is carried to discharger with the rotation of heat agitated axle simultaneously, and the uniform qualified product of final drying are discharged by discharge port.The rotating speed of blades axes generally is controlled at (adjustable) between the 0-15rpm.Before the complete engine set installation, company adopts spun-glass insulation, then integral body is sealed, and does not need to be incubated at the scene after equipment is in place, has not only made things convenient for the user but also improved the outward appearance degree of equipment.
Claims (5)
1. sludge drier, it is characterized in that: comprise frame (5), be installed on the main frame casing (1) on the frame (5), bearing support (2), be installed on and cooperate the some groups of heat agitated axles of installing (3) in the main frame casing (1) and with two end axles bearing (2), one side of main frame casing (1) is equipped with feeding unit (4), the opposite side lower end is provided with drawing mechanism (6), wherein heat agitated axle (3) is provided with hollow paddle for arranging on the tubular shaft, the adjacent blades of two adjacent groups heat agitated axle (3) also is provided with exhaust outlet (7) for being staggered on the main frame casing (1), inlet mouth (9), fluid inlet (10).
2. a kind of sludge drier according to claim 1 is characterized in that: described frame (5) to the top of main frame casing (1) is equipped with maintenance step frame (8).
3. a kind of sludge drier according to claim 1, it is characterized in that: described feeding unit (4) comprises band opening for feed (41), the casing (4 ') of feeding port, tubular shaft blade (42), tubular shaft blade (42) is by tubular shaft (421), blade (422) is formed, blade (422) is spiral to be fixed on the tubular shaft (421), and the junction is for being tightly connected, tubular shaft blade (42) horizontal cross is installed on charging casing (4 ') bottom, the ragged edge of tubular shaft blade (42) bottom blade is 5～20mm to the spacing of charging casing (4 ') inner bottom part, and feeding port is connected with main frame casing (1).
4. a kind of sludge drier according to claim 1, it is characterized in that: described bearing support (2) comprises that pedestal (21) is connected with seat cover (22) formula sealing installation, in the middle of the pedestal (21) is bearings mounted dead eye (23), the plate washer (24) of the front and back correspondence that pedestal (21) is erected by dead eye (23) periphery and the some web plates (25) between the plate washer (24) are formed, form cavity between pedestal (21) and the seat cover (22), seat cover (22) one sides are provided with a fluid inlet (25) and a liquid outlet (26).
5. a kind of sludge drier according to claim 1 is characterized in that: described blade cross-sectional shape is wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010191157A CN101857348A (en) | 2010-06-01 | 2010-06-01 | Sludge drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010191157A CN101857348A (en) | 2010-06-01 | 2010-06-01 | Sludge drier |
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| Publication Number | Publication Date |
|---|---|
| CN101857348A true CN101857348A (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010191157A Pending CN101857348A (en) | 2010-06-01 | 2010-06-01 | Sludge drier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439753A (en) * | 2018-03-06 | 2018-08-24 | 无锡市彩云机械设备有限公司 | A kind of electrical heating integrated guide deep fat sludge dryer |
| CN108439764A (en) * | 2018-06-15 | 2018-08-24 | 崔云华 | A kind of sludge agitation drying equipment and its working method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078422A (en) * | 2007-04-26 | 2007-11-28 | 张清臣 | Method of cooling bearing seat and apparatus thereof |
| CN201000258Y (en) * | 2006-12-29 | 2008-01-02 | 成都天保机械制造有限公司 | paddle heater |
| CN101560047A (en) * | 2008-04-16 | 2009-10-21 | 平国明 | Device and method for drying sludge with high environment protection and low cost |
-
2010
- 2010-06-01 CN CN201010191157A patent/CN101857348A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201000258Y (en) * | 2006-12-29 | 2008-01-02 | 成都天保机械制造有限公司 | paddle heater |
| CN101078422A (en) * | 2007-04-26 | 2007-11-28 | 张清臣 | Method of cooling bearing seat and apparatus thereof |
| CN101560047A (en) * | 2008-04-16 | 2009-10-21 | 平国明 | Device and method for drying sludge with high environment protection and low cost |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439753A (en) * | 2018-03-06 | 2018-08-24 | 无锡市彩云机械设备有限公司 | A kind of electrical heating integrated guide deep fat sludge dryer |
| CN108439764A (en) * | 2018-06-15 | 2018-08-24 | 崔云华 | A kind of sludge agitation drying equipment and its working method |
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Application publication date: 20101013 |