CN209428386U - Low temperature exhaust heat drying machine - Google Patents
Low temperature exhaust heat drying machine Download PDFInfo
- Publication number
- CN209428386U CN209428386U CN201920126569.0U CN201920126569U CN209428386U CN 209428386 U CN209428386 U CN 209428386U CN 201920126569 U CN201920126569 U CN 201920126569U CN 209428386 U CN209428386 U CN 209428386U
- Authority
- CN
- China
- Prior art keywords
- conveying mechanism
- low temperature
- exhaust heat
- temperature exhaust
- heat drying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001035 drying Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 8
- 206010053615 Thermal burn Diseases 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000010802 sludge Substances 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Abstract
The utility model discloses a kind of low temperature exhaust heat drying machine, including wet mud grinding device, belt drying device, Material sucking machine and siccative storehouse, Material sucking machine is located at the top in siccative storehouse；Belt drying device includes cabinet and is arranged in the intracorporal conveying mechanism of case, feed inlet and several exhaust outlets are offered above cabinet, discharge port and several air inlets are offered below cabinet, it is connected between exhaust outlet and air inlet by circulating line, circulating line is disposed with evaporator, condenser and circulating fan in gas flow direction, it is connected between evaporator and condenser by refrigerant piping, compressor and expansion valve is provided on refrigerant piping；Wet mud grinding device is located at the top of feed inlet, and Material sucking machine is connected with discharge port.The low temperature exhaust heat drying machine of the utility model using the above structure, operational safety, drying efficiency is high, and drop temperature is low, excludes scald hidden danger, directly stores without cooling, energy conservation and environmental protection is discharged without any waste heat, foul smell.
Description
Technical field
The utility model relates to technical field of sludge treatment, more particularly to a kind of low temperature exhaust heat drying machine.
Background technique
Sludge is a kind of sticky mass generated in sewage disposal process, contains a large amount of mushroom, group silk, intercellular
Matter, microorganism and heavy metal, inorganic matter, microorganism therein type based on aerobic, anaerobe, contain with organic matter
The characteristics of amount is high and water body is tightly combined, high moisture content makes sludge occupy huge volume.Whole nation sludge yield is super at present
20,000,000 tons have been crossed, and has wherein only accounted for 30% by the sludge of safe disposal, a large amount of sludge is by direct landfill disposal, not only seriously
Environment is polluted, and occupies a large amount of land resource.Therefore, the problem of sewage sludge harmlessness is handled is urgently to be resolved, and in sludge
The matter of utmost importance to be solved during harmless treatment is exactly the minimizing of sludge.
It is water content the very big sludge drying of water content to realize that the minimizing of sludge just needs to carry out desiccation to sludge
30% sludge below, in order to which recycling such as makes fertilizer, fuel processed, when general municipal sludge is discharged from sewage disposal system,
Water content is up to 95%-99%, at present sludge drying, first uses mechanical dehydration, water content is reduced, subsequently into drying equipment
Carry out desiccation.
But existing sludge drying treatment process usually has the following problems: 1, mechanical dewatering stage generally uses lime
+ ferric trichloride or polyacrylamide flocculant improve sludge, and dosage is big when lime+ferric trichloride technique improves sludge, medicament
Weight accounts for the 30% of over dry sludge quantity, and the impurity introduced in sludge is more, and the recycling sludge utilization rate after desiccation is low；2, conventional
Drying equipment or use directly heat desiccation or take fermentation desiccation, and heating and drying using direct heat source, energy consumption is compared with Gao Zhi
It is heating and drying to connect heat source, gaseous steam need to exclude in time, therefore a large amount of thermal energy are wasted as heat of vaporization, are done simultaneously
Dust and foul smell will produce bigger effect environment during change, need to increase corresponding dedusting deodorizing facility, and desiccation consumption of fermenting
Duration takes up a large area, and fermentation process Organic Matter Loss is larger.
Utility model content
The purpose of the utility model is to provide a kind of low temperature exhaust heat drying machine, operational safety, drying efficiency is high, drop temperature
It is low, scald hidden danger is excluded, is directly stored without cooling, energy conservation and environmental protection is discharged without any waste heat, foul smell.
To achieve the above object, the utility model provides a kind of low temperature exhaust heat drying machine, including wet mud grinding device, band
Formula drying device, Material sucking machine and siccative storehouse, the Material sucking machine are located at the top in the siccative storehouse；
The belt drying device includes that cabinet and setting are opened above the intracorporal conveying mechanism of the case, the cabinet
Equipped with feed inlet and several exhaust outlets, offer discharge port and several air inlets below the cabinet, the exhaust outlet with
It is connected between the air inlet by circulating line, the circulating line is disposed with evaporation in gas flow direction
Device, condenser and circulating fan are connected between the evaporator and the condenser by refrigerant piping, the refrigerant
Compressor and expansion valve are provided in piping；
The wet mud grinding device is located at the top of the feed inlet, and the Material sucking machine is connected with the discharge port.
Preferably, the exhaust outlet is located at the top of the conveying mechanism, and the air inlet is located at the conveying mechanism
Lower section, the feed inlet and the discharge port are located at the same end of the conveying mechanism, and the discharge port is located at the charging
The lower section of mouth.
Preferably, the wet mud grinding device includes shell and is arranged in the intracorporal agitating shaft of the shell, the stirring
Axis and the housing junction are provided with seal assembly, several rotary-trays, the rotation support are provided on the agitating shaft
Several stirring blades are provided on disk.
Preferably, the conveying mechanism includes upper conveying mechanism and lower conveying mechanism, and the lower conveying mechanism is located at described
The lower section of upper conveying mechanism, the upper conveying mechanism and the lower conveying mechanism include roller and are arranged on which cylinder
Closure conveyer belt, be provided with carrying roller among the closure conveyer belt.
Preferably, the closure that the closure conveying strip length of the upper conveying mechanism is less than the lower conveying mechanism conveys belt length
Degree, and the upper conveying mechanism and the lower conveying mechanism are flushed close to one end of the feed inlet.
Preferably, it is provided with catch basin below the evaporator, the catch basin is connected with cesspool.
Therefore, the low temperature exhaust heat drying machine of the utility model using the above structure, operational safety, drying efficiency is high, discharging
Temperature is low, excludes scald hidden danger, directly stores without cooling, energy conservation and environmental protection is discharged without any waste heat, foul smell.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model low temperature exhaust heat drying machine embodiment；
Fig. 2 is the schematic diagram of the belt drying device of the utility model low temperature exhaust heat drying machine embodiment.
Appended drawing reference
1, wet mud grinding device；2, belt drying device；201, cabinet；202, conveying mechanism；2021, upper conveying mechanism；
2022, lower conveying mechanism；203, feed inlet；204, exhaust outlet；205, discharge port；206, air inlet；207, circulating line；208,
Evaporator；209, condenser；210, circulating fan；211, refrigerant piping；212, compressor；213, expansion valve；3, Material sucking machine；
4, siccative storehouse.
Specific embodiment
Embodiment
Fig. 1 is the schematic diagram of the utility model low temperature exhaust heat drying machine embodiment, and Fig. 2 is dry for the utility model low temperature exhaust heat
The schematic diagram of the belt drying device of dry machine embodiment.As shown, the utility model provides a kind of low temperature exhaust heat drying machine,
Including wet mud grinding device 1, belt drying device 2, Material sucking machine 3 and siccative storehouse 4, Material sucking machine 3 is located at the top in siccative storehouse 4；It is wet
Mud grinding device 1 includes shell and is arranged in the intracorporal agitating shaft of the shell, and the agitating shaft is set with the housing junction
It is equipped with seal assembly, several rotary-trays are provided on the agitating shaft, several stirrings are provided on the rotary-tray
Blade.
Belt drying device 2 includes cabinet 201 and the conveying mechanism 202 being arranged in cabinet 201,201 top of cabinet
Feed inlet 203 and several exhaust outlets 204 are offered, wet mud grinding device 1 is located at the top of feed inlet 203,201 lower section of cabinet
Discharge port 205 and several air inlets 206 are offered, Material sucking machine 3 is connected with discharge port 205, and exhaust outlet 204 is located at conveyer
The top of structure 202, air inlet 206 are located at the lower section of conveying mechanism 202, and feed inlet 203 and discharge port 205 are respectively positioned on conveying mechanism
202 the same end, and discharge port 205 is located at the lower section of feed inlet 203, passes through circulation pipe between exhaust outlet 204 and air inlet 206
Road 207 is connected, and circulating line 207 is disposed with evaporator 208, condenser 209 and circulated air in gas flow direction
Machine 210 is connected by refrigerant piping 211 between evaporator 208 and condenser 209, pressure is provided on refrigerant piping 211
Contracting machine 212 and expansion valve 213 are provided with catch basin below evaporator 208, and the catch basin is connected with cesspool；Conveyer
Structure 202 includes upper conveying mechanism 2021 and lower conveying mechanism 2022, and lower conveying mechanism 2022 is located under upper conveying mechanism 2021
Side, upper conveying mechanism 2021 and lower conveying mechanism 2022 include the closure conveyer belt of roller and setting on which cylinder,
Carrying roller is provided among the closure conveyer belt, the closure conveying strip length of upper conveying mechanism 2021 is less than lower conveying mechanism 2022
Closure convey strip length, and upper conveying mechanism 2021 and lower conveying mechanism 2022 are flushed close to one end of feed inlet 203.
When work, wet cake is sent into wet mud grinding device 1 and is crushed, smashed wet mud is by feed inlet 203
It into cabinet 201, falls on conveying mechanism 202, under the action of circulating fan 210, from the drying of condenser 209 out
Hot gas enters cabinet 201 by air inlet 206, takes away the large quantity of moisture in wet mud, and gas is discharged by exhaust outlet 204, along
Circulating line 207 passes through evaporator 208, and the vapor in gas condenses at evaporator 208, and condensed water enters catch basin, collection
Sink is connected with cesspool, and gas is increased using 209 temperature of condenser becomes dry hot gas, recycles again.
Wet mud is fallen first on upper conveying mechanism 2021, and the closure conveyer belt of upper conveying mechanism 2021 is to far from charging
Sludge is transported in the direction of mouth 203, and sludge is fallen on lower conveying mechanism 2022 in the end of upper conveying mechanism 2021, lower conveying
The closure conveyer belt of mechanism 2022 transports sludge to the direction close to feed inlet 203, is taken away by dry hot-air big in sludge
After measuring moisture, discharge port 205 is finally fallen into, dewatered sludge is packed into siccative storehouse 4 by Material sucking machine 3.
Therefore, the low temperature exhaust heat drying machine of the utility model using the above structure, operational safety, drying efficiency is high, discharging
Temperature is low, excludes scald hidden danger, directly stores without cooling, energy conservation and environmental protection is discharged without any waste heat, foul smell.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model has been described in detail with reference to the preferred embodiment, those skilled in the art should manage
Solution: it still can be with the technical solution of the present invention is modified or equivalently replaced, and these are modified or equally replace
Changing also cannot make modified technical solution be detached from the spirit and scope of the technical scheme of the present invention.
Claims (6)
1. a kind of low temperature exhaust heat drying machine, it is characterised in that:
Including wet mud grinding device, belt drying device, Material sucking machine and siccative storehouse, the Material sucking machine is located at the upper of the siccative storehouse
Side；
The belt drying device includes that cabinet and setting offer above the intracorporal conveying mechanism of the case, the cabinet
Feed inlet and several exhaust outlets, offer discharge port and several air inlets below the cabinet, the exhaust outlet and described
It is connected between air inlet by circulating line, the circulating line is disposed with evaporator, cold in gas flow direction
Condenser and circulating fan are connected between the evaporator and the condenser by refrigerant piping, the refrigerant piping
On be provided with compressor and expansion valve；
The wet mud grinding device is located at the top of the feed inlet, and the Material sucking machine is connected with the discharge port.
2. low temperature exhaust heat drying machine according to claim 1, it is characterised in that: the exhaust outlet is located at the conveying mechanism
Top, the air inlet is located at the lower section of the conveying mechanism, and the feed inlet and the discharge port are located at the conveyer
The same end of structure, and the discharge port is located at the lower section of the feed inlet.
3. low temperature exhaust heat drying machine according to claim 2, it is characterised in that: the wet mud grinding device include shell with
And setting is provided with seal assembly, the stirring in the intracorporal agitating shaft of the shell, the agitating shaft and the housing junction
It is provided with several rotary-trays on axis, several stirring blades are provided on the rotary-tray.
4. low temperature exhaust heat drying machine according to claim 3, it is characterised in that: the conveying mechanism includes upper conveying mechanism
With lower conveying mechanism, the lower conveying mechanism is located at the lower section of the upper conveying mechanism, the upper conveying mechanism and it is described under it is defeated
Sending mechanism includes the closure conveyer belt of roller and setting on which cylinder, is provided with support among the closure conveyer belt
Roller.
5. low temperature exhaust heat drying machine according to claim 4, it is characterised in that: the closure conveyer belt of the upper conveying mechanism
The closure that length is less than the lower conveying mechanism conveys strip length, and the upper conveying mechanism and the lower conveying mechanism are close to institute
The one end for stating feed inlet flushes.
6. low temperature exhaust heat drying machine according to claim 5, it is characterised in that: be provided with and catchment below the evaporator
Slot, the catch basin are connected with cesspool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126569.0U CN209428386U (en) | 2019-01-24 | 2019-01-24 | Low temperature exhaust heat drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126569.0U CN209428386U (en) | 2019-01-24 | 2019-01-24 | Low temperature exhaust heat drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209428386U true CN209428386U (en) | 2019-09-24 |
Family
ID=67977290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920126569.0U Expired - Fee Related CN209428386U (en) | 2019-01-24 | 2019-01-24 | Low temperature exhaust heat drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209428386U (en) |
-
2019
- 2019-01-24 CN CN201920126569.0U patent/CN209428386U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |