CN208791459U - A kind of enclosed band drier - Google Patents

Abstract

The utility model discloses a kind of enclosed band driers, including rack, loop dehumidification and cooling circuit, the loop dehumidification is dehumidified to the treating material and is formed liquid discharge for generating heated dry air, the cooling circuit includes surface air cooler and the three-way pipeline that connect with the surface air cooler, three-way control valve is provided on the three-way pipeline, the surface air cooler is arranged on the path of the loop dehumidification, for adjusting the temperature of the heated dry air.The utility model not only makes enclosed band drier have the function of being rapidly heated to reduce energy loss, improve drying efficiency, also makes the temperature-controllable inside enclosed band drier by the setting of cooling circuit.

Description

A kind of enclosed band drier

Technical field

The utility model relates to sludge drying technique fields, and in particular to a kind of enclosed band drier.

Background technique

Sludge drying is the moisture taken out of in sludge using hot wind and the process that sludge is gradually dried.Enclosed band Formula drying machine is as the commonly used equipment in sludge drying, passes through by being formed in the interior thereof hot air circulation, and constantly wait locate Sludge is managed, so that hot wind takes the moisture in sludge out of.The sludge that desiccation is completed is transported by the transport of conveyer belt at the same time Outside unit.

But its heating is slower on startup for common enclosed band drier, needs the heat engine process of a period of time, mentions High energy loss, while enclosed band drier being prevented to influence drying efficiency from carrying out desiccation to sludge in first time, Based on this, attempts by the way of built in condenser in the prior art, enable hot wind to pass through condenser quickly to be risen Temperature, but when built in condenser, when the temperature inside unit is higher, and temperature cannot be controlled well in real time System, easily causes unit failure.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of enclosed band drier, for solving existing skill The uncontrollable problem of enclosed band drier internal temperature in art.

For this purpose, embodiment according to the present utility model, which includes rack, and the rack has drying Room, the hothouse inside are equipped with the conveyer belt for transporting treating material.

In addition, further includes:

Loop dehumidification, the loop dehumidification is for generating heated dry air so that the treating material is dehumidified and be formed Liquid discharge；And

Cooling circuit, the cooling circuit includes surface air cooler and the three-way pipeline that connect with the surface air cooler, described three Three-way control valve is provided on threading a pipe, the surface air cooler is arranged on the path of the loop dehumidification, described dry for adjusting The temperature of hot-air.

As the further optinal plan of the enclosed band drier, the loop dehumidification includes:

Heated dry air circuit, the heated dry air circuit be used for the hothouse provide heated dry air, with to it is described to Processing material dehumidifies；And

Refrigerating circuit, the refrigerating circuit is arranged on the path in the heated dry air circuit, so that the heated dry air The moisture being formed by damp-heat air after dehumidifying to the treating material is liquefied discharge.

As the further optinal plan of the enclosed band drier, the heated dry air circuit includes regenerator and master Blower, the damp-heat air come out from the hothouse pass sequentially through the heating side of the cooling side of the regenerator, the regenerator And the main air blower, the refrigerating circuit include evaporator, cooling side and the heating of the regenerator is arranged in the evaporator Between side, so that moisture is liquefied discharge when the damp-heat air passes through the evaporator.

As the further optinal plan of the enclosed band drier, the heated dry air circuit further includes the first filtering Device, for filtering the dust from the damp-heat air that the hothouse comes out.

As the further optinal plan of the enclosed band drier, the refrigerating circuit further includes the pressure being sequentially connected Contracting machine and condenser, the evaporator are connected between the condenser and the compressor.

As the further optinal plan of the enclosed band drier, the refrigerating circuit further includes being connected to institute in turn It states and saves energy heat exchanger, the second filter and expansion valve between condenser and the evaporator.

As the further optinal plan of the enclosed band drier, the rack include the first mounting rack to connect and Second mounting rack, the loop dehumidification and the cooling circuit are arranged in first mounting rack, the hothouse and transmission Band is arranged in second mounting rack, and thermal-insulation baffle plate is equipped between first mounting rack and second mounting rack.

As the further optinal plan of the enclosed band drier, first mounting rack includes first base and sets The first latticed frame body in the first base is set, surrounds bottom between the first base and the first latticed frame body Portion's installing zone, the bottom installing zone is interior to be equipped with condensate pipe.

As the further optinal plan of the enclosed band drier, second mounting rack includes second base and sets The second latticed frame body in the second base is set, the second base is connect with the first base, second net Trellis frame body is connect with the described first latticed frame body.

As the further optinal plan of the enclosed band drier, the enclosed band drier further includes being mounted on The discharge port of cutting machine in the rack, the cutting machine is connected in the conveyer belt.

The utility model has the beneficial effects that

According to the enclosed band drier in above embodiments, due to the setting of cooling circuit, so that inside unit When the temperature is excessively high, surface air cooler is linked by three-way pipeline by control three-way control valve, so that surface air cooler is started to work, is come with this When reducing the temperature inside unit, and needing to heat up again, surface air cooler is disconnected by control three-way control valve.Pass through in this way The setting of cooling circuit has enclosed band drier and is rapidly heated to reduce energy loss, improve drying efficiency Function, also make the temperature-controllable inside enclosed band drier.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows a kind of main view of enclosed band drier according to provided by the utility model embodiment；

Fig. 2 shows a kind of left views of enclosed band drier according to provided by the utility model embodiment；

Fig. 3 shows a kind of right view of enclosed band drier according to provided by the utility model embodiment；

Fig. 4 shows a kind of top view of enclosed band drier according to provided by the utility model embodiment；

Fig. 5 shows a kind of original of the loop dehumidification of enclosed band drier according to provided by the utility model embodiment Reason figure；

Fig. 6 shows a kind of wind of the heated dry air of enclosed band drier according to provided by the utility model embodiment To main view；

Fig. 7 shows a kind of wind of the heated dry air of enclosed band drier according to provided by the utility model embodiment To side view.

Main element symbol description:

100- rack；200- loop dehumidification；300- cooling circuit；400- conveyer belt；500- condensate pipe；600- discharging Bucket；700- cutting machine；101- hothouse；102- discharge chamber；The first mounting rack of 110-；The second mounting rack of 120-；130- thermal insulation separation Plate；210- heated dry air circuit；220- refrigerating circuit；310- surface air cooler；320- three-way pipeline；330- three-way control valve；410- First conveyer belt；The second conveyer belt of 420-；111- first base；The latticed frame body of 112- first；121- second base；122- Two latticed frame bodies；211- regenerator；212- main air blower；213- first filter；221- evaporator；222- compressor；223- Condenser；224- is saved can heat exchanger；The second filter of 225-；226- expansion valve；The firstth area 1121-；The secondth area 1122-； 1123- third area.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

Embodiment

Present embodiments provide a kind of enclosed band drier.

Fig. 1-4 is please referred to, which includes rack 100, loop dehumidification 200 and cooling circuit 300.

Wherein, which has hothouse 101, and the transmission for transporting treating material is equipped in hothouse 101 Band 400.

Specifically, please referring to Fig. 1 and Fig. 3-4, which includes the first conveyer belt 410 being disposed over and sets Set the second conveyer belt 420 in lower section.Above-mentioned first conveyer belt 410 is for receiving treating material, the visual feelings for the treatment of material Condition is still in 410 the preceding paragraph time of the first conveyer belt, or with the first slowly transmission of conveyer belt 410, during transmission, Loop dehumidification 200 will carry out dehumidification work to treating material.In addition, the first conveyer belt 410 and the second conveyer belt 420 are at it There is one end overlapping region, so that the treating material after the completion of processing can drop to the second transmission on length direction On band 420 and as the second conveyer belt 420 transports except enclosed band drier.

Loop dehumidification 200 is dehumidified to treating material and is formed liquid discharge for generating heated dry air.It is cooling Circuit 300 includes surface air cooler 310 and the three-way pipeline 320 connecting with surface air cooler 310, is provided with threeway on three-way pipeline 320 Control valve 330, surface air cooler 310 are arranged on the path of loop dehumidification 200, for adjusting the temperature of heated dry air.

In this way, due to the setting of cooling circuit 300, so that inside unit when the temperature is excessively high, by controlling threeway control Surface air cooler 310 is linked into three-way pipeline 320 by valve 330 processed, so that surface air cooler 310 is started to work, is reduced inside unit with this Temperature, and when needing to heat up again, pass through control three-way control valve 330 and disconnect surface air cooler 310.In this way by cooling back The setting on road 300 not only makes enclosed band drier have the function being rapidly heated to reduce energy loss, improve drying efficiency Can, also make the temperature-controllable inside enclosed band drier.

Specifically, three-way pipeline 320 can be connected to cooling tower etc. outside, i.e., provide refrigerant by cooling tower, refrigerant can be with It is the liquid such as water.It in this way can be very by the flow of surface air cooler 310 and control refrigerant by the control refrigerant of three-way control valve 330 Good cools down to the hot-air inside entire enclosed band drier.Likewise, can also by three-way control valve 330 come Refrigerant is controlled without surface air cooler 310, inside will do it heating again at this time.

Embodiment according to the present utility model is not construed as limiting the specific type for the treatment of material.According to the utility model Some embodiments, treating material includes but is not limited to sludge.To simplify the description, below-mentioned treating material can To be referred to by taking sludge as an example, the enclosed band drier in the utility model embodiment will be carried out below clear, complete Whole introduction.

Referring to Figure 5, in the utility model embodiment, loop dehumidification 200 include heated dry air circuit 210 and Refrigerating circuit 220.

Wherein, heated dry air circuit 210 is used to provide heated dry air to hothouse 101, to remove to treating material It is wet.Refrigerating circuit 220 is arranged on the path in heated dry air circuit 210, so that heated dry air dehumidifies to treating material The moisture being formed by damp-heat air afterwards is liquefied discharge.

Specifically, incorporated by reference to reference Fig. 6-7, which includes regenerator 211 and main air blower 212, from The heated dry air that hothouse 101 comes out becomes damp-heat air due to having taken the moisture in treating material out of, the damp and hot sky Gas passes sequentially through the cooling side of regenerator 211, the heating side of regenerator 211 and main air blower 212.And refrigerating circuit 220 includes steaming Device 221 is sent out, evaporator 221 is arranged between the cooling side of regenerator 211 and heating side, so that when damp-heat air passes through evaporator When 221, moisture is liquefied discharge.

As a result, for from the damp-heat air that hothouse 101 comes out, be introduced into the cooling side of regenerator 211 into Row one cools down again, carries out double cooling using evaporator 221, so that the moisture in damp-heat air becomes liquid and is discharged, connects Be dehumidified after air pass through the heating side of regenerator 211 again and be warmed, then go out via main air blower 212, come out at this time Air becomes heated dry air again and enters in hothouse 101.

In the present embodiment, damp-heat air passes through the double cooling of regenerator 211 and evaporator 221, ensure that dehumidifying effect Fruit.

In certain applications, such as when the application enclosed band drier carries out dehumidification treatments to sludge etc., from dry The damp-heat air come out inside dry room 101 can be with some dust, if leaving, it is circulated in enclosed band drier It will cause pollution, increase so as to cause maintenance cost of the later period to drying machine.

In this regard, heated dry air circuit 210 further includes first filter 213, for filter come out from hothouse 101 it is damp and hot Dust in air.Dust enters back into the cooling side in regenerator 211 after being filtered.

In some specific embodiments, first filter 213 includes primary filter and medium effeciency filter, to guarantee Abundant filtering to dust.

In conjunction with described previously, the surface air cooler 310 in cooling circuit 300 is exactly to be arranged in first filter 213 and regenerator Between 211 cooling side, when thering is refrigerant to pass through inside surface air cooler 310, at this time along with cooling side and evaporator 221, so that Damp-heat air can at least carry out triple coolings, further improve effect on moisture extraction.

In addition, reasonably controlling refrigerant whether refrigerant passes through surface air cooler 310 and passed through by way of hereinbefore Flow size, can also cool down to the inside of entire enclosed band drier.

In some specific embodiments, regenerator 211 is plate-fin recuperator, i.e. fin type heat exchanger.Plate-fin Regenerator is made of partition, fin, strip of paper used for sealing, flow deflector, and fin is placed between adjacent separator and flow deflector forms interlayer, will be pressed from both sides Layer is stacked, is brazed into a single piece composition plate beam, is equipped with necessary end socket support.Fin can be plain fin, sawtooth wing Piece, perforated fin, corrugated fin.

In some specific embodiments, evaporator 221 is finned tube evaporator.Finned tube evaporator is by base tube It is formed with fin, fin is mounted on base tube, and base tube uses bronzing pipe or inner screw thread copper pipe, and fin is the wave of aluminium or copper product Line piece, sun-roof or ripple are sun-roof.

With continued reference to FIG. 1, refrigerating circuit 220 further includes the compressor 222 and condenser 223 being sequentially connected, press at this time Contracting machine 222, condenser 223 and evaporator 221 are formed refrigerating circuit 220, and wherein evaporator 221 is arranged in regenerator 211 Cooling side and heat up side path on, enable damp-heat air to be liquefied as liquid and be discharged.

Specifically, compressor 222 exports high temperature and pressure overheated gas, which passes through 223 quilt of condenser It is condensed into saturation or subcooled liquid, the saturation or subcooled liquid, which enter, to be evaporated into low-temp low-pressure in evaporator 221 and cross hot gas Body, in the process, evaporator 221 absorb a large amount of heat, are cooled down with this to damp-heat air, to be liquefied as liquid Body.At the same time, low-temp low-pressure overheated gas is re-introduced into 222 inside of compressor and becomes high temperature and pressure overheated gas, with This recycles the work steady in a long-term to guarantee refrigerating circuit 220.

In some embodiments, refrigerating circuit 220 further includes being connected in turn between condenser 223 and evaporator 221 Energy heat exchanger 224, the second filter 225 and expansion valve 226 are saved, in this way by saving energy heat exchanger 224, the second filter 225 and expansion valve 226 processing so that saturation or subcooled liquid be processed into low pressure gas, liquid mixture, then enter back into steaming It is handled in hair device 221, on the one hand can reduce energy consumption, on the other hand can also improve the refrigeration effect of evaporator 221.

In some specific embodiments, condenser 223 is fin-tube heat exchanger, and fin-tube heat exchanger is by base tube It is formed with fin, fin is mounted on base tube, and base tube uses bronzing pipe or inner screw thread copper pipe, and fin is the wave of aluminium or copper product Line piece, sun-roof or ripple are sun-roof.Bracket in shell heat preservation should be using structural section, sheet metal processing or aluminium alloy extrusions.

Please continue to refer to Fig. 1-4, in the utility model embodiment, rack 100 includes the first mounting rack 110 to connect And second mounting rack 120, loop dehumidification 200 and cooling circuit 300 are arranged in the first mounting rack 110, hothouse 101 and transmission Band 400 is arranged in the second mounting rack 120.

Synthesis is described previously, it is appreciated that heated dry air generates in the first mounting rack 110, and is transmitted to second In mounting rack 120, then pass back to again in the first mounting rack 110, in this cyclic process, so that the water in treating material Divide and is dried discharge.

Thermal-insulation baffle plate 130 is equipped between first mounting rack 110 and the second mounting rack 120, which can prevent Heated dry air temperature in above-mentioned cyclic process reduces and influences the desiccation effect to treating material.

Fig. 1-2 is please referred to, the first mounting rack 110 includes first base 111 and the first net being arranged in first base 111 Trellis frame body 112 surrounds bottom installing zone between first base 111 and the first latticed frame body 112, is equipped in the installing zone of bottom Condensate pipe 500, the condensate pipe 500 carry out liquid formed in drying process, the liquid to treating material for receiving Body is discharged except enclosed band drier via the condensate pipe 500.

It further says, which surrounds the first area 1121, the second area 1122 and third from top to bottom Area 1123, the first area 1121 are integral grid, and in integral grid, the second area 1122 is equipped with extremely surface air cooler 310 hereinbefore Few two grids, for installing condenser 223, regenerator 211 and evaporator 221；Third area 1123 is equipped at least three grids, For installing compressor 222, main air blower 212 and province's energy heat exchanger 224 etc..

Please refer to Fig. 1 and 4, the second mounting rack 120 include second base 121 and be arranged in second base 121 second Latticed frame body 122, second base 121 are connect with first base 111, the second latticed frame body 122 and the first latticed frame body 112 connections

It further says, which surrounds hothouse 101 and discharge chamber 102, the discharging from top to bottom Room 102 is connected in the end of the second conveyer belt 420, and the material after the completion of desiccation is transported from discharge chamber 102.

Further, discharge bucket 600 is provided in discharge chamber 102, the discharge bucket 600 is for receiving the material after desiccation.

The above-mentioned construction of rack 100 in the utility model embodiment as a result, has modules in installation in this way When heated dry air circuit 210, refrigerating circuit 220 and cooling circuit 300, modules are installed to corresponding section or room It is interior, installation difficulty is reduced, installation effectiveness is improved, simultaneously because the setting in each section, enables modules The space inside rack 100 is reasonably occupied, so that the interior layout of entire enclosed band drier is more reasonable, it is advantageous to reduce The figure of entire enclosed band drier, to reduce its occupied area.

Outside above-mentioned, it is additionally provided with cutting machine 700 in the upper end of aforementioned second mounting rack 120, which goes out Material mouth is connected in the first conveyer belt 410.

In this way, by the setting of cutting machine 700 so that treating material, such as sludge etc. can be formed bar and It falls on the first conveyer belt 410, is conducive to improve the desiccation effect to treating material.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of enclosed band drier, including rack, the rack has hothouse, is equipped with inside the hothouse for transporting Send the conveyer belt for the treatment of material, which is characterized in that further include:

Loop dehumidification, the loop dehumidification is for generating heated dry air to be dehumidified to the treating material and form liquid Discharge；And

Cooling circuit, the cooling circuit includes surface air cooler and the three-way pipeline that connect with the surface air cooler, in the tee tube Three-way control valve is provided on road, the surface air cooler is arranged on the path of the loop dehumidification, for adjusting the xeothermic sky The temperature of gas.

2. enclosed band drier as described in claim 1, which is characterized in that the loop dehumidification includes:

Heated dry air circuit, the heated dry air circuit is used to provide heated dry air to the hothouse, to described to be processed Material dehumidifies；And

Refrigerating circuit, the refrigerating circuit is arranged on the path in the heated dry air circuit, so that the heated dry air is to institute The moisture being formed by after treating material is dehumidified in damp-heat air is stated to be liquefied discharge.

3. enclosed band drier as claimed in claim 2, which is characterized in that the heated dry air circuit include regenerator and Main air blower, the damp-heat air come out from the hothouse pass sequentially through the heating of the cooling side, the regenerator of the regenerator Side and the main air blower, the refrigerating circuit include evaporator, and the evaporator is arranged in the cooling side of the regenerator and rises Between warm side, so that moisture is liquefied discharge when the damp-heat air passes through the evaporator.

4. enclosed band drier as claimed in claim 3, which is characterized in that the heated dry air circuit further includes the first mistake Filter, for filtering the dust from the damp-heat air that the hothouse comes out.

5. enclosed band drier as claimed in claim 3, which is characterized in that the refrigerating circuit further includes being sequentially connected Compressor and condenser, the evaporator are connected between the condenser and the compressor.

6. enclosed band drier as claimed in claim 5, which is characterized in that the refrigerating circuit further includes being connected in turn Saving between the condenser and the evaporator can heat exchanger, the second filter and expansion valve.

7. enclosed band drier as described in claim 1, which is characterized in that the rack includes the first mounting rack to connect And second mounting rack, the loop dehumidification and the cooling circuit are arranged in first mounting rack, the hothouse and biography It send band to be arranged in second mounting rack, thermal-insulation baffle plate is equipped between first mounting rack and second mounting rack.

8. enclosed band drier as claimed in claim 7, which is characterized in that first mounting rack include first base and First be disposed on the first base latticed frame body surrounds between the first base and the first latticed frame body Bottom installing zone, the bottom installing zone is interior to be equipped with condensate pipe.

9. enclosed band drier as claimed in claim 8, which is characterized in that second mounting rack include second base and The latticed frame body of second be arranged in the second base, the second base are connect with the first base, and described second Latticed frame body is connect with the described first latticed frame body.

10. enclosed band drier as described in claim 1, which is characterized in that the enclosed band drier further includes peace The discharge port of cutting machine in the rack, the cutting machine is connected in the conveyer belt.