CN207596696U - Sludge drying device - Google Patents

Abstract

The utility model provides a kind of sludge drying device, belong to sewage treatment field, including Drying, the heating nested structure set on Drying periphery, the first heating chamber in heating nested structure, the discharge gate connected with the charge door of drying tube inner chamber connection, with the bleeding point of drying tube inner chamber connection, with the vacuum device of bleeding point connection, with drying tube inner chamber, the first steam inlet connected with the first heating chamber, the first condensation-water drain connected with the first heating chamber, set on the rabbling mechanism and the driving mechanism that is connect with rabbling mechanism dried in tube inner chamber.Sludge drying device provided by the utility model is conducive to carry out sludge uniform heating, drying, and good drying effect is conducive to improve drying efficiency；The source of the steam can be the steam that other waste reduction and disposal equipments generate, and then can accomplish to produce making full use of for waste heat, and low energy consumption for heating, and resource utilization is high；Device integrally occupies little space, simple in structure, can effectively reduce use cost.

Description

Sludge drying device

Technical field

The utility model belongs to technical field of sewage, is to be related to a kind of sludge drying device more specifically.

Background technology

With the development of modern industry, the yield of industrial waste is growing day by day, in the process that sewage treatment plant is handled In, sludge can be generated, the sludge that sewage treatment plant generates, just moisture whole moisture after 80%, drying is after general sludge dewatering 10%-50%, 30% or so, dewatered sludge is directly entered back the requirement of general sludge after being mixed into loose granular with dangerous waste compatibility Rotary kiln burns, and the calorific value of sludge waste utilization and can save the energy or directly landfill is not probably in 1500-2000kcal or so Secondary pollution can be caused, sludge can be made to turn waste into wealth, meet the requirement of environmental protection.Existing sludge drying apparatus is general to utilize Conveyer belt is transmitted along a certain path, and heating, drying, this baking are carried out to sludge using external heat source during transmission Dry mode, Drying Rates are slow, and dry uneven, the easy locking nub of sludge, while equipment volume is big, complicated, use cost It is higher；Also, heating is generally using electrical heating or using Hot-blast Heating, and heating process energy consumption is larger, and resource utilization is poor.

Utility model content

The purpose of this utility model is to provide a kind of sludge drying devices, in the prior art existing to solve The technical issues of drying equipment drying effect difference and big occupied space.

To achieve the above object, the technical solution adopted in the utility model is：A kind of sludge drying device is provided, including： Drying, set on the Drying periphery heating nested structure, set on it is described heating nested structure in the first heating chamber, with it is described The charge door of drying tube inner chamber connection, the bleeding point connected with the drying tube inner chamber are vacuumized with what the bleeding point connected Mechanism, discharge gate connect with the drying tube inner chamber, the first steam inlet and described the connected with first heating chamber First condensation-water drain of one heating chamber connection, the rabbling mechanism in the drying tube inner chamber connect with the rabbling mechanism The driving mechanism connect and the sampling window on the Drying side wall.

Further, the rabbling mechanism includes shaft and the stirring blade set on the shaft periphery, the shaft One end is stretched out the Drying and is connect with the driving mechanism outside the Drying.

Further, there are two rabbling mechanism tools, the driving mechanism includes motor and is connect with the motor Gearbox, the shaft in each rabbling mechanism are connect respectively with the gearbox.

Further, the middle part of the shaft is equipped with the second heating chamber, close to the one of the driving mechanism in the shaft End is equipped with the second steam inlet connected with second heating chamber, and the second condensation-water drain is additionally provided in the shaft.

Further, second condensation-water drain is located at close to one end of the driving mechanism in the shaft, described The end that the internal diameter of second heating chamber is located at the drying tube inner chamber from the shaft connects to the shaft and the driving mechanism The direction of the end connect gradually increases.

Further, the stirring blade is internally provided with third heating chamber of the opening towards the shaft, in the shaft Equipped with the steam via for the open communication with the third heating chamber.

Further, second steam inlet is poroid, and second steam inlet surrounds the axis of the shaft It is distributed on the side wall of the shaft, second heating chamber is equipped with close to one end of the driving mechanism and covers at described second Steam inlet periphery and the steam leading-in mechanism for importing steam into second steam inlet, the steam leading-in mechanism It is rotatablely connected with the shaft.

Further, the steam leading-in mechanism includes being set in the shaft periphery and connect with the shaft rotary seal Connect import ring, the annular introduction chamber in the importing ring, set on the importing ring inner wall and with the annular introduction chamber The annular of connection imports opening, is steamed set on the importing ring outer wall and for importing the third of steam into the annular introduction chamber Vapor inlet, it is corresponding with second steam inlet that the annular imports opening.

Further, the heating nested structure includes the body for being set in the Drying periphery, first heating chamber Internal set on the set, first steam inlet is set on the body top, and first condensation-water drain is set on the set Body lower part.

Further, the heating nested structure includes affixed with the drying drum outer wall and is open towards outside the Drying The sheath body of wall and the helical baffle between the sheath body and the Drying, the helical baffle and the sheath body and described Continuous spiral flow channel is formed between drying drum outer wall, the spiral flow channel is first heating chamber, and described first steams Vapor inlet is located at the sheath body top and is connected with one end of the spiral flow channel, and first condensation-water drain is located at described It sheath body lower part and is connected with the other end of the spiral flow channel, the discharge gate is located at the Drying and the driving mechanism Opposite end, and the discharge gate is equipped with discharge door.

The advantageous effect of sludge drying device provided by the utility model is：Compared with prior art, the utility model Sludge drying device holds sludge, and setting can be passed through the heating nested structure of steam, energy outside Drying by Drying It is enough that Drying is heated into internal sludge, while heating, sludge is stirred using rabbling mechanism, is ensured dirty Mud is loose, while can discharge the vapor that drying generates as soon as possible by vacuum device, and then be conducive to sludge Uniform heating, drying is carried out, good drying effect is conducive to improve drying efficiency；The source of the steam can be at other wastes The steam that equipment generates is managed, and then can accomplish to produce making full use of for waste heat, low energy consumption for heating, and resource utilization is high；Device Entirety occupies little space, simple in structure, can effectively reduce use cost.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.

Fig. 1 is the main structure diagram of sludge drying device that the utility model embodiment one provides；

Fig. 2 is the main structure diagram of sludge drying device that the utility model embodiment two provides；

Fig. 3 is shaft and the left view structure sectional view of steam leading-in mechanism in Fig. 2；

Fig. 4 is the front view structure sectional view of shaft and steam leading-in mechanism in Fig. 2；

Fig. 5 is the front view structure sectional view of shaft and stirring blade in Fig. 2.

Wherein, each reference numeral in figure：

1- Dryings；2- heats nested structure；201- bodies；202- sheath bodies；203- helical baffles；The first heating chambers of 3-；4- Charge door；5- bleeding points；6- discharge gates；The first steam inlets of 7-；The first condensation-water drains of 8-；9- rabbling mechanisms；901- shafts； 902- stirring blades；10- driving mechanisms；1001- motors；1002- gearboxes；The second heating chambers of 11-；The second steam inlets of 12-； The second condensation-water drains of 13-；14- third heating chambers；15- steam vias；16- steam leading-in mechanisms；1601- imports ring；1602- Annular introduction chamber；1603- annulars import opening；1604- third steam inlets；17- discharge doors

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ", The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature." multiple " are meant that two or two in the description of the present invention, More than, unless otherwise specifically defined.

Also referring to Fig. 1 and Fig. 2, now sludge drying device provided by the utility model is illustrated.The sludge Drying unit, including Drying 1, set on the heating nested structure 2 of 1 periphery of Drying, the first heating in heating nested structure 2 Chamber 3, the charge door 4 connected with 1 inner cavity of Drying, the bleeding point 5 connected with 1 inner cavity of Drying, the pumping connected with bleeding point 5 are true Empty mechanism, the discharge gate 6 connected with 1 inner cavity of Drying, the first steam inlet 7 connected with the first heating chamber 3 and the first heating First condensation-water drain 8 of the connection of chamber 3, the rabbling mechanism 9 in 1 inner cavity of Drying, the driving machine being connect with rabbling mechanism 9 Structure 10 and the sampling window on 1 side wall of Drying.

Use process：It opens charge door 4 and passes through charge door 4 and sludge raw material is added in into the inner cavity of Drying 1, be added to Charge door 4 is closed after a certain amount of, while steam is passed through into the first heating chamber 3 by the first steam inlet 7, opens driving mechanism 10 make it that rabbling mechanism 9 be driven to rotate, and are heated while stirring.In heating process, water vapour that sludge evaporates and other Gas is discharged rapidly by vacuum device through bleeding point 5.Sampling window is set on the side wall of Drying 1, in drying course In, sampling window can be opened after the regular hour, a certain amount of mud sample is taken out and detects the water content in sample, with Whether in place determining drying, improves the quality of drying product.

Sludge drying device provided by the utility model compared with prior art, sludge is held by Drying 1, and 1 outside setting of Drying can be passed through the heating nested structure 2 of steam, and Drying 1 can be heated into internal sludge, While heating, sludge is stirred using rabbling mechanism 9, it is loose to ensure sludge, while can pass through evacuator Structure discharges the vapor that drying generates as soon as possible, and then is conducive to carry out uniform heating, drying to sludge, and good drying effect has Conducive to raising drying efficiency；The source of the steam can be the steam that other waste reduction and disposal equipments generate, and then can accomplish to give birth to Production waste heat makes full use of, and low energy consumption for heating, and resource utilization is high；Device integrally occupies little space, simple in structure, can be effective Reduce use cost.

Simultaneously as sludge is located in space relatively closed in Drying 1, the gas that is generated in drying course (including The gas of steam and irritant smell) and dust can be evacuated mechanism and take away, effectively improve processing workshop ring Border.

Charge door 4 may be configured as charging nozzle structure, be docked with external pipe, and opposing seal is kept during charging State prevents irritative gas from leaking.

Further, also referring to Fig. 1 and Fig. 2, a kind of tool as sludge drying device provided by the utility model Body embodiment, rabbling mechanism 9 include shaft 901 and the stirring blade 902 set on 901 periphery of shaft, and one end of shaft 901 is stretched Go out Drying 1 and connect with the driving mechanism 10 outside Drying 1.Driving mechanism 10 is rotated by drive shaft 901, into And stirring blade 902 is driven to rotate, stirring blade 902 can not only be stirred, while can also be pushed to the direction of discharge gate 6 Sludge, and then the process of follow-up discharge can be simplified.

Optionally, 6 inside of discharge gate is equipped with baffle, ensures controlling level, heat-transfer area is made to be covered and given full play to by material The effect of heating, drying.

Further, it please refers to Fig.1 and Fig. 2, a kind of specific reality as sludge drying device provided by the utility model Mode is applied, there are two the tools of rabbling mechanism 9, and driving mechanism 10 includes motor 1001 and the gearbox 1002 being connect with motor 1001, Shaft 901 in each rabbling mechanism 9 is connect respectively with gearbox 1002.Two rabbling mechanisms 9 are simultaneously stirred sludge, So that sludge is looser, it is uniformly heated；To adapt to the set-up mode of multiple rabbling mechanisms 9, set on gearbox 1002 An input shaft and multiple output shafts are put, the gear structure of Synchronous Transmission is set between input shaft and output shaft, passes through one Motor 1001 just can drive multiple rabbling mechanisms 9 to rotate simultaneously, simple in structure, easy to use.

The quantity of rabbling mechanism also can more than two, set according to the volume of 1 inner cavity of Drying.

Further, refering to Fig. 1 to Fig. 4, a kind of specific implementation as sludge drying device provided by the utility model Mode, the middle part of shaft 901 are equipped with the second heating chamber 11, are equipped with close to one end of driving mechanism 10 in shaft 901 and add with second The second steam inlet 12 that hot chamber 11 connects is additionally provided with the second condensation-water drain 13 in shaft 901.Also can inside shaft 901 Steam is passed through, so that shaft 901 itself can also heat sludge, further improves the efficiency of drying.

The structure of the structure of shaft 901 and the second heating chamber 11 has different internal junctions according to the type of thermal medium Structure, to ensure best heat-transfer effect.

Further, referring to Fig. 4, a kind of specific embodiment party as sludge drying device provided by the utility model Formula, in order to which the condensed water ensured in shaft 901 can be discharged smoothly, the second condensation-water drain 13 is located in shaft 901 close to driving One end of mechanism 10, the internal diameter of the second heating chamber 11 are located at the end of 1 inner cavity of Drying to shaft 901 from shaft 901 and are driven The direction for the end that mechanism 10 connects gradually increases.Condensed water can under the effect of gravity along the inner wall of the second heating chamber 11 from Dynamic flow direction is located at the second condensation-water drain 13 outside Drying 1, convenient that condensed water in second heating chamber 11 is recycled.

Further, referring to Fig. 5, a kind of specific embodiment party as sludge drying device provided by the utility model Formula, stirring blade 902 are internally provided with third heating chamber 14 of the opening towards shaft 901, and shaft 901 is equipped with to add with third The steam via 15 of the open communication of hot chamber 14.Stirring blade 902 is with can also be passed through steam, heat transfer area in unit dischargeable capacity Very big, it is water vapour that heat medium temperature, which is 130 DEG C to 180 DEG C, and indirect conduction heating does not carry air and takes away heat, heat Amount is used for heated material, and thermal loss is only by heat dissipation of the Drying to environment so that rabbling mechanism 9 is whole can be right Sludge is heated, simple in structure, is not take up exterior space, while effectively increases the efficiency of heating, drying.

Further, referring to Fig. 5, a kind of specific embodiment party as sludge drying device provided by the utility model Formula, the cross section of stirring blade 902 are wedge shape, and Wedge blade heat-transfer area has a self-cleaning function, when rotation make material alternately by It (at tapered ramp) and is expanded (at wedge gap) to compression, thus makes the material strenuous exercise on heat-transfer area, material The relative motion of grain and lozenges generates the effect of scrubbing, and can wash off and adhere to material on lozenges, make to be always maintained in operating Clean heat-transfer area, constantly updates heating surface, enhances heat transfer efficiency.

Further, refering to Fig. 3 and Fig. 4, a kind of specific implementation as sludge drying device provided by the utility model Mode, the second steam inlet 12 is poroid, and the second steam inlet 12 is distributed in the side of shaft 901 around the axis of shaft 901 On wall, the second heating chamber 11 is equipped with close to one end of driving mechanism 10 to be covered at 12 periphery of the second steam inlet and is used for second The steam leading-in mechanism 16 of steam is imported in steam inlet 12, steam leading-in mechanism 16 is rotatablely connected with shaft 901.Steam imports The presence of mechanism 16 can be such that external steam feeding tube road position stablizes relatively, will not rotate with shaft 901, simultaneously Devaporation introducing mechanism 16 is rotatablely connected with shaft 901 again, is not interfered with again when importing steam into the second steam inlet 12 The rotation of shaft 901, importing effect is good, and stability in use is good.

Further, Fig. 3 and Fig. 4 is please referred to, a kind of specific reality as sludge drying device provided by the utility model Mode is applied, steam leading-in mechanism 16 includes being set in 901 periphery of shaft and the importing ring connecting with 901 rotary seal of shaft 1601st, 1601 inner wall of ring and connect set on the annular introduction chamber 1602 imported in ring 1601, set on importing with annular introduction chamber 1602 Logical annular imports opening 1603, the third set on 1601 outer wall of ring is imported and for importing steam into annular introduction chamber 1602 Steam inlet 1604, it is corresponding with the second steam inlet 12 that annular imports opening 1603.Steam enters from third steam inlet 1604 Annular introduction chamber 1602, steam can pass through annular to import opening 1603 and enter in the second steam inlet 12, and overall structure is simple Compact, importing is efficient, and due to importing opposing seal between ring 1601 and shaft 901, and steam is not easy to leak, and improves steam Utilization rate.

Further, referring to Fig. 1, a kind of specific embodiment party as sludge drying device provided by the utility model Formula, heating nested structure 2 include the body 201 for being set in 1 periphery of Drying, and the first heating chamber 3 is set in body 201, and first steams Vapor inlet 7 is set on 201 top of body, and the first condensation-water drain 8 is set on 201 lower part of body.Body 201, which belongs to, is subsequently sleeved on baking Component on dry cylinder 1, can easily be replaced, and easy access is safeguarded.Discharge gate 6 is respectively arranged on drying with driving mechanism 10 The both ends of cylinder 1, facilitate the progress of follow-up discharge.

Further, referring to Fig. 2, a kind of specific embodiment party as sludge drying device provided by the utility model Formula, heating nested structure 2 include and opening affixed with 1 outer wall of Drying towards the sheath body 202 of 1 outer wall of Drying and set on sheath body It is formed between helical baffle 203 between 202 and Drying 1, helical baffle 203 and sheath body 202 and 1 outer wall of Drying continuous Spiral flow channel, spiral flow channel are the first heating chamber 3, and the first steam inlet 7 is located at 202 top of sheath body and and spiral flow channel One end connection, the first condensation-water drain 8 is located at 202 lower part of sheath body and connected with the other end of spiral flow channel, discharge gate 6 In end opposite with driving mechanism 10 on Drying 1, and discharge gate 6 is equipped with discharge door 17.Spiral flow channel can be steamed Vapour residence time in the first heating chamber 3 is longer, and then is conducive to more fully carry out heat exchange, improves the utilization of steam Rate, condensed water can be discharged quickly by the first condensation-water drain 8 of lower part, and the first condensation-water drain 8 can be along Drying 1 In a row being distributed in the setting of spiral flow channel lower part for axis is multiple, ensures in runner each link not ponding.Discharge gate 6 is set In the lower part of Drying 1, facilitate discharge, discharge door 17 is set at discharge gate 6, prevents material in drying course from leaking, makes drying Material in cylinder 1 remains certain thickness.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. sludge drying device, it is characterised in that：Including Drying, set on the Drying periphery heating nested structure, be set on The first heating chamber in the heating nested structure, charge door connect with the drying tube inner chamber, with the drying tube inner chamber company Logical bleeding point, the vacuum device connected with the bleeding point, discharge gate connect with the drying tube inner chamber and described the One heating chamber connection the first steam inlet, connected with first heating chamber the first condensation-water drain, set on the drying Rabbling mechanism in tube inner chamber, the driving mechanism being connect with the rabbling mechanism and the sampling window on the Drying side wall Mouthful.

2. sludge drying device as described in claim 1, it is characterised in that：The rabbling mechanism includes shaft and set on described The stirring blade of shaft periphery, one end of the shaft stretch out the Drying and with the drive outside the Drying Motivation structure connects.

3. sludge drying device as claimed in claim 2, it is characterised in that：There are two the rabbling mechanism tools, the driving Mechanism includes motor and the gearbox that connect with the motor, each the shaft in the rabbling mechanism respectively with the change Fast case connection.

4. sludge drying device as claimed in claim 3, it is characterised in that：The middle part of the shaft is equipped with the second heating chamber, In the shaft the second steam inlet for being connected with second heating chamber is equipped with close to one end of the driving mechanism, described turn The second condensation-water drain is additionally provided on axis.

5. sludge drying device as claimed in claim 4, it is characterised in that：Second condensation-water drain is located at the shaft One end of the upper close driving mechanism, the internal diameter of second heating chamber are located at the end of the drying tube inner chamber by the shaft Portion is gradually increased to the direction of end that the shaft is connect with the driving mechanism.

6. sludge drying device as claimed in claim 4, it is characterised in that：The stirring blade is internally provided with opening towards institute The third heating chamber of shaft is stated, the shaft is equipped with the steam via for the open communication with the third heating chamber.

7. sludge drying device as claimed in claim 4, it is characterised in that：Second steam inlet is poroid and described Second steam inlet is distributed in around the axis of the shaft on the side wall of the shaft, and second heating chamber is close to the drive One end of motivation structure, which is equipped with, covers at the second steam inlet periphery and for importing steam into second steam inlet Steam leading-in mechanism, the steam leading-in mechanism and the shaft are rotatablely connected.

8. sludge drying device as claimed in claim 7, it is characterised in that：The steam leading-in mechanism includes being set in described Shaft periphery and connect with the shaft rotary seal import ring, set on it is described importing ring in annular introduction chamber, set on institute The annular for importing ring inner wall and connect with the annular introduction chamber is stated to import opening, set on the importing ring outer wall and be used for institute The third steam inlet that steam is imported in annular introduction chamber is stated, it is corresponding with second steam inlet that the annular imports opening.

9. the sludge drying device as described in any one in claim 1-8, it is characterised in that：The heating nested structure includes The body of the Drying periphery is set in, first heating chamber is set on the set in vivo, and first steam inlet is set on The body top, first condensation-water drain are set on the body lower part.

10. the sludge drying device as described in any one in claim 1-8, it is characterised in that：The heating nested structure packet And opening affixed with the drying drum outer wall is included towards the sheath body of the drying drum outer wall and set on the sheath body and the drying Continuous spiral current is formed between helical baffle between cylinder, the helical baffle and the sheath body and the drying drum outer wall Road, the spiral flow channel be first heating chamber, first steam inlet be located at the sheath body top and with the spiral shell One end connection of shape runner is revolved, first condensation-water drain is located at the sheath body lower part and another with the spiral flow channel End connection, the discharge gate is located at the Drying end opposite with the driving mechanism, and the discharge gate is equipped with row Bin gate.