CN206476880U - The device of sludge dehumidifying desiccation is carried out using energy conversion - Google Patents
The device of sludge dehumidifying desiccation is carried out using energy conversion Download PDFInfo
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- CN206476880U CN206476880U CN201720139980.2U CN201720139980U CN206476880U CN 206476880 U CN206476880 U CN 206476880U CN 201720139980 U CN201720139980 U CN 201720139980U CN 206476880 U CN206476880 U CN 206476880U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model relates to the use of the device that energy conversion carries out sludge dehumidifying desiccation, including conveying structure, sludge drying structure and energy conversion structure, suction deodorization structure is connected with sludge drying structure, conveying structure is connected with sludge drying structure, energy conversion structure is connected with sludge drying structure, untreated wet mud is delivered to sludge drying structure by conveying structure, carry out exporting after desiccation by dry air, after suction deodorization structure deodorization, air is recycled, humid air after dry air change simultaneously, which enters energy conversion structure, recycled after dehumidifying heating.The utility model is to the humid air cooling dehumidification from sludge drying chamber, pass through heat pump principle, the moisture condensed, latent heat and heating air are reclaimed, dried material purpose is reached, outside resources, which need not be introduced, just can carry out dehumidifying desiccation, deodorization, low-temperature treatment sludge, it is to avoid organic cracking and volatilization in sludge are carried out to the sludge after desiccation, tail gas need not be handled, environmentally friendly degree is high.
Description
Technical field
The utility model is related to the technical field of Treatment of Sludge, more specifically refers to that carrying out sludge using energy conversion removes
The device of wet desiccation.
Background technology
In recent years, China is while rapid economic development, and environment also suffers from increasingly significant destruction." three wastes " are disposed
Work management is always the most important thing of Environmental protection management work, the disposal management of waste water,waste gas and industrial residue just year by year to conjunction
Physics and chemistry, standardization and scientific transformation.Contain a large amount of poisonous and harmful substances in sludge, if do not dealt carefully with, easily cause
Secondary pollution.Sludge is as the byproduct of sewage disposal system, and the 0.3%-0.5% that its yield accounts for sewage disposal total amount (contains
Water rate is in terms of 97%), but the processing cost of sludge accounts for water process gross investment 30%-40%, if considering the operation of Treatment of Sludge
Management cost, Treatment of Sludge investment cost accounts for more than the 50% of Treatment of Sludge gross investment, it is seen that Treatment of Sludge difficulty is big.It is dirty
Fender contains that large quantity of moisture is outer, the also organic matter containing difficult degradation, heavy metal, salt, a small amount of pathogenic microorganism and parasite
Ovum etc., is such as not added with dealing carefully with and disposing, and will cause the secondary pollution of Dui Pai areas surrounding environment, the processing of sludge and handling problems
Increasingly significant.With the increasing and the lifting of Public environmental attitude of national environmental protection dynamics, processing and the disposal of sludge are put on
" agenda ", the research work of characteristic and processing about sludge also deploys successively.Treatment of Sludge and disposal turn into the world
The urgent problem to be solved that various countries face.
At present, the method for disposal of sludge according to the difference of desiccation temperature can be divided into low temperature desiccation (temperature 150 DEG C with
Under) and high temperature desiccation (temperature is more than 150 DEG C), it is divided into direct heat drying again according to the difference of heat transfer form and indirect thermal is dry
Change.And low temperature desiccation is divided into two kinds of direct low temperature desiccation and indirect low temperature desiccation, indirect low temperature heat drying heat utilization efficiency is relatively low,
Occupation area of equipment is big, therefore in the less application of sludge treatment field.Direct low temperature heat drying directly acts on sludge due to hot blast
On, the thermal efficiency is high, and the relatively low organic cracking that will not make in sludge of temperature and volatilization, and circulating air is only taken away from sludge
Moisture, this method be presently the most it is extensive, stably, the method for reliable disposing sludge.High temperature desiccation is divided into direct high temperature desiccation
With indirect high temperature desiccation.Direct high temperature desiccation is high due to temperature, and heating agent is directly contacted with sludge, drying efficiency highest, but directly
High-temperature heating, easily the organic matter in cracking sludge, increases vent gas treatment and energy recovery difficulty, processing energy consumption and other fees
Higher, indirect high temperature heat drying is that thermal source heats wall by the transmission of the media such as steam, deep fat, so that wall opposite side
Sludge is heated, moisture evaporation and removed, its thermal efficiency compares direct desiccation to be low.But the heat energy recovery of indirectly drying compared with
Easily, energy consumption is relatively low, but the thermal efficiency compares that direct desiccation is low, and the easily organic matter in cracking sludge, at increase tail gas
Manage difficulty.
Therefore, it is necessary to design a kind of device that sludge dehumidifying desiccation is carried out using energy conversion, realize outer without introducing
Boundary's energy (steam, conduction oil, hot blast etc.) just can carry out dehumidifying desiccation to sludge, and carry out deodorization to the sludge after desiccation, empty
It is so incensed that to recycle, it is to avoid organic cracking and volatilization in sludge, without handling tail gas, environmentally friendly degree is high.
Utility model content
The purpose of this utility model is to overcome the defect of prior art dry there is provided sludge dehumidifying is carried out using energy conversion
The device of change.
To achieve the above object, the utility model uses following technical scheme：It is dry that sludge dehumidifying is carried out using energy conversion
Suction is connected with the device of change, including conveying structure, sludge drying structure and energy conversion structure, the sludge drying structure
Expect deodorization structure, the conveying structure is connected with the sludge drying structure, the energy conversion structure and the sludge drying
Structure is connected, and untreated wet mud is delivered to the sludge drying structure, carried out by dry air by the conveying structure
Exported after desiccation, after suction deodorization structure deodorization, air is recycled, while the humid air after dry air change
Carry out recycling after dehumidifying heating into energy conversion structure.
Its further technical scheme is：The energy conversion structure includes the regenerator, evaporator, compression of parallel arrangement
Machine, the first condenser, the second condenser and expansion valve, the regenerator of the top provided with parallel arrangement of the evaporator,
The evaporator is connected with the compressor, and the compressor connects with first condenser and second condenser respectively
Connect, first condenser and second condenser are connected with the expansion valve respectively, the expansion valve and the evaporation
Device is connected.
Its further technical scheme is：Second condenser is located at the lower section of the regenerator.
Its further technical scheme is：The sludge drying structure includes sludge building mortion and sludge drying chamber, institute
State and conveyer is provided with drying sludge room, pressure fan, institute are provided between the sludge drying chamber and the energy conversion structure
The upper end for stating conveyer is connected with the sludge building mortion, and the conveyer is located at the top of the pressure fan.
Its further technical scheme is：The conveying structure includes wet mud bucket and structure for conveying, the wet mud bucket
It is connected with the structure for conveying, the structure for conveying is connected with the sludge building mortion.
Its further technical scheme is：The structure for conveying is screw pump, and the screw pump passes through pipeline and the sludge
Building mortion is tightly connected.
Its further technical scheme is：The suction deodorization structure includes charging absorption pump, deodoriser, siccative bucket and storing
Storehouse, the siccative bucket is located at the lower section of the conveyer, and the charging absorption pump and the deodoriser connect with the siccative bucket respectively
Connect, the storage bin is connected with the charging absorption pump, the storage bin is located at the lower section of the charging absorption pump.
Its further technical scheme is：The device for carrying out sludge dehumidifying desiccation using energy conversion structure also includes cold
But tower, the outlet of the cooling tower is connected with the import of first condenser, and the outlet of first condenser passes through circulation
Water pump is connected with the import of the cooling tower.
Its further technical scheme is：Oxygen content detector is installed in the drying sludge room.
The beneficial effect of the utility model compared with prior art is：It is of the present utility model to carry out sludge using energy conversion
The device of dehumidifying desiccation, by energy conversion structure and sludge drying structure, makes the humid air from sludge drying chamber cool
Dehumidification, while by heat pump principle, reclaiming the moisture condensed, latent heat and heating air, reaching dried material purpose, closed is done
Change pattern, without any waste heat discharge, realizes and " minimizing, stabilisation, innoxious and recycling " processing is carried out to sludge, without drawing
Enter outside resources just can carry out dehumidifying desiccation to sludge, and carry out deodorization to the sludge after desiccation, and air is recycled, whole
Individual process low-temperature treatment sludge, it is to avoid organic cracking and volatilization in sludge, without handling tail gas, environmentally friendly degree is high.
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
The knot for the device that sludge dehumidifying desiccation is carried out using energy conversion that Fig. 1 provides for the utility model specific embodiment
Structure schematic diagram.
Reference
The structure for conveying of 10 wet mud bucket 11
The charging absorption pump of 12 siccative bucket 13
The sludge building mortion of 14 storage bin 20
The pressure fan of 21 conveyer 22
The sludge drying chamber of 23 deodoriser 24
The evaporator of 30 regenerator 31
The condenser of 32 compressor 33 first
The expansion valve of 34 second condenser 35
The water circulating pump of 40 cooling tower 50
Embodiment
In order to more fully understand technology contents of the present utility model, with reference to specific embodiment to skill of the present utility model
Art scheme is further described and illustrated, but is not limited to this.
Specific embodiment as shown in Figure 1, the dress that sludge dehumidifying desiccation is carried out using energy conversion that the present embodiment is provided
Put, during being used in processing sludge, realization need not introduce outside resources just can carry out dehumidifying desiccation to sludge, and right
Sludge after desiccation carries out deodorization, through being circulated to air, it is to avoid organic cracking and volatilization in sludge, without handling tail
Gas, environmentally friendly degree is high.
As shown in figure 1, the device of sludge dehumidifying desiccation is carried out using energy conversion, including conveying structure, sludge drying knot
Suction deodorization structure is connected with structure and energy conversion structure, sludge drying structure, conveying structure connects with sludge drying structure
Connect, energy conversion structure is connected with sludge drying structure, untreated wet mud is delivered to sludge drying structure by conveying structure,
Carry out exporting after desiccation by dry air, after suction deodorization structure deodorization, air is recycled, while drying empty
Humid air after gas change, which enters energy conversion structure, recycled after dehumidifying heating.
Further, energy conversion structure includes the regenerator 30, evaporator 31, compressor 32, first of parallel arrangement
Condenser 33, the second condenser 34 and expansion valve 35, the regenerator of the top provided with parallel arrangement of the evaporator 31
30, the evaporator 31 is connected with the compressor 32, the compressor 32 respectively with first condenser 33 and described
Second condenser 34 is connected, and first condenser 33 and second condenser 34 are connected with the expansion valve 35 respectively,
The expansion valve 35 is connected with the evaporator 31.
Dry air passes through sludge drying chamber 24, after wet mud is dried, and as humid air, humid air is by steaming
The regenerator 30 for sending out the top of device 31 is carried out after precooling, then is cooled down by evaporator 31, so that by the vapor liquid in humid air
Change the water that is in a liquid state, after the air after dehumidifying is preheated by the regenerator 30 of the top of the second condenser 34, then by second
Condenser 34 be heated to needed for temperature, then be sent to energy conversion structure from sludge drying chamber 24, wet mud removed
Wet, so circulation reduces energy loss.
In the present embodiment, the second condenser 34 is located at the lower section of the regenerator 30.So, air can be from top to down
Heated, without increasing auxiliary equipment, driving air flow is so as to homogeneous heating.
Further, sludge drying structure includes sludge building mortion 20 and sludge drying chamber 24, sludge drying chamber
Conveyer 21 is provided with 24, pressure fan 22, the upper end of conveyer 21 are provided between sludge drying chamber 24 and energy conversion structure
The sludge building mortion 20 is connected with, conveyer 21 is located at the top of the pressure fan 22.
In the present embodiment, the conveyer 21 is wired belt conveyer 21, certainly, in other embodiment, above-mentioned conveying
Machine 21 is belt conveyor 21, it is not limited to wired belt conveyer 21.
In addition, conveying structure includes wet mud bucket 10 and structure for conveying 11, wet mud bucket 10 is connected with structure for conveying 11,
The structure for conveying 11 is connected with the sludge building mortion 20.
In the present embodiment, structure for conveying 11 is screw pump, and screw pump is sealed by pipeline and sludge building mortion 20 to be connected
Connect, to prevent waste gas, dust from overflowing.
In other embodiment, above-mentioned structure for conveying 11 can be conveyer belt, it is not limited to screw pump.
In addition, cutting knife is provided with the sludge building mortion 20, for carrying out slitting processing to sludge.
Further, suction deodorization structure includes charging absorption pump 13, deodoriser 23, siccative bucket 12 and storage bin 14, does
Hopper 12 is located at the lower section of the conveyer 21, and charging absorption pump 13 and deodoriser 23 are connected with siccative bucket 12 respectively, storage bin 14
It is connected with charging absorption pump 13, storage bin 14 is located at the lower section of charging absorption pump 13.
Deodorizing process is carried out using the sludge after 23 pairs of dehumidifying desiccation of deodoriser, it is to avoid tail gas pollution environment, also allow for weight
It is new to recycle.
Untreated wet mud is delivered to the sludge building mortion 20 of the top of conveyer 21 by screw pump, and by not locating
The conveyer 21 of reason is transported to siccative bucket 12, then is transported to the progress discharging of storage bin 14 by charging absorption pump 13.
Further, a kind of device for carrying out sludge dehumidifying desiccation using energy conversion structure also includes cooling tower 40,
The outlet of cooling tower 40 is connected with the import of the first condenser 33, the outlet of first condenser 33 by water circulating pump 50 with
The import connection of the cooling tower 40.Cooling tower 40 is the power that the first condenser 33 provides cooling, is easy to evaporator 31 to wet
Air is condensed, and the water vapour condensation in humid air turns into water droplet, then water droplet is discharged, you can reach the function of dehumidifying.
Further, plate and frame filter press is connected with the wet mud bucket 10, for tentatively being dehumidified to wet mud.
The lower end of the sludge drying chamber 24 is provided with discharge outlet, and the lower section of the evaporator 31 is provided with water leg, the collection
The vapor in drainage pipeline, humid air is connected between tank and the discharge outlet after the cooling of evaporator 31, in liquid
State, after gathering in water leg, discharge outlet is flow to by drainage pipeline, sludge drying chamber 24 is discharged.
In addition, oxygen content detector is installed in sludge drying chamber 24, it is oxygen-containing in sludge drying chamber 24 for detecting
Amount, realizes safety monitoring function.
The operation principle of the above-mentioned device for carrying out sludge dehumidifying desiccation using energy conversion is as follows:Use sludge drying structure
Dehumidifying drying is carried out to sludge；Wherein energy conversion structure as sludge drying structure power source, it is not necessary to increase is extra
Thermal source, realizes energy-conservation purpose, and after plate and frame filter press preliminary hydro-extraction, the sludge containing 75% moisture is pumped into dirt through screw rod
The sludge building mortion 20 of mud desiccation structure upper end, and cut in sludge building mortion 20, then through sludge drying structure
Storage bin 14 is transported to after drying dehumidification, finally by being transported after pack.
Operation principle for energy conversion structure is as follows：Make the humid air from sludge drying chamber 24 using refrigeration principle
Cool dehumidification, while reclaiming hydrogenesis latent heat by heat pump principle, heating air reaches dried material purpose, energy conversion knot
Structure is that dehumidifying (drying of drying) heat pump (energy regenerating) is combined, and is energy recycling in drying process.
The device of sludge dehumidifying desiccation is carried out using energy conversion, it is only necessary to the electric energy of fraction, and substantially by the portion
Electric energy is divided to be converted into heat energy, under closed desiccation pattern, without any waste heat discharge, the desiccation of sludge is entered in oxygen-free environment
OK, do not produce dust, dewatered sludge particle diameter can be controlled, and the sludge after desiccation is in granular form, realize to sludge carry out " minimizing,
Stabilisation, innoxious and recycling " processing.
The device of sludge dehumidifying desiccation is carried out using energy conversion, can be by per ton 80% wet mud desiccation to 25%, comprehensive electricity
Consume 237.5KW.h；Dust concentration<60g/m3；Particle temperature is≤70 DEG C；Siccative is graininess, and sludge drying structure goes out
Mouth is equipped with Chalk-dust filtering device, no dust hazard；Oxygen content detector is housed, control oxygen content does not surpass in sludge drying structure
Mark.Odor removal is installed in the outlet of siccative bucket 12, no foul smell overflows.Drop temperature is low (50 DEG C of ＜), without cooling, directly stores up
Deposit；Fully automatic operation, saves a large amount of costs of labor；PLC+ touch-screen intelligent controls, can be achieved teletransmission centralized Control；Discharging is aqueous
Rate can be adjusted arbitrarily (10%-50%).
The above-mentioned device that sludge dehumidifying desiccation is carried out using energy conversion, passes through energy conversion structure and sludge drying
Structure, makes the humid air cooling dehumidification from sludge drying chamber 24, while passing through heat pump principle, reclaims the moisture condensed, latent heat
With heating air, dried material purpose is reached, closed desiccation pattern, without any waste heat discharge, is realized and carries out " decrement to sludge
Change, stabilisation, innoxious and recycling " processing, just dehumidifying desiccation can be carried out without introducing outside resources to sludge, and to desiccation
Sludge afterwards carries out deodorization, and air is recycled, whole process low-temperature treatment sludge, it is to avoid the organic cracking in sludge
And volatilization, without handling tail gas, environmentally friendly degree is high.
It is above-mentioned that technology contents of the present utility model are only further illustrated with embodiment, in order to which reader is easier to understand,
But embodiment of the present utility model is not represented and is only limitted to this, and any technology done according to the utility model extends or recreated,
By protection of the present utility model.Protection domain of the present utility model is defined by claims.
Claims (9)
1. the device of sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that including conveying structure, sludge drying structure
And energy conversion structure, suction deodorization structure, the conveying structure and the sludge are connected with the sludge drying structure
Desiccation structure is connected, and the energy conversion structure is connected with the sludge drying structure, and the conveying structure will be untreated wet
Sludge is delivered to the sludge drying structure, carries out exporting after desiccation by dry air, after suction deodorization structure deodorization,
Air is recycled, while the humid air after dry air change enters sharp again after the progress dehumidifying heating of energy conversion structure
With.
2. the device according to claim 1 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that the energy
Source transformational structure includes regenerator, evaporator, compressor, the first condenser, the second condenser and the expansion valve of parallel arrangement,
The regenerator of the top of the evaporator provided with parallel arrangement, the evaporator is connected with the compressor, the compression
Machine is connected with first condenser and second condenser respectively, first condenser and second condenser
It is connected respectively with the expansion valve, the expansion valve is connected with the evaporator.
Carry out sludge 3. according to claim 2 using energy conversion and dehumidify the device of desiccation, it is characterised in that described the
Two condensers are located at the lower section of the regenerator.
4. the device that sludge dehumidifying desiccation is carried out using energy conversion according to any one of claims 1 to 3, its feature is existed
In, the sludge drying structure includes being provided with conveyer in sludge building mortion and sludge drying chamber, the drying sludge room,
Pressure fan is provided between the sludge drying chamber and the energy conversion structure, the upper end of the conveyer is connected with the dirt
Mud building mortion, the conveyer is located at the top of the pressure fan.
5. the device according to claim 4 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that described defeated
Expect that structure includes wet mud bucket and structure for conveying, the wet mud bucket is connected with the structure for conveying, the structure for conveying and
The sludge building mortion connection.
6. the device according to claim 5 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that described defeated
It is screw pump to send structure, and the screw pump is tightly connected by pipeline with the sludge building mortion.
7. the device according to claim 4 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that the suction
Expect that deodorization structure includes charging absorption pump, deodoriser, siccative bucket and storage bin, the siccative bucket is located at the lower section of the conveyer,
The charging absorption pump and the deodoriser are connected with the siccative bucket respectively, and the storage bin is connected with the charging absorption pump, described
Storage bin is located at the lower section of the charging absorption pump.
8. the device according to claim 2 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that the profit
The device of sludge dehumidifying desiccation is carried out with energy conversion structure also includes cooling tower, the outlet of the cooling tower and described first cold
The import connection of condenser, the outlet of first condenser is connected by water circulating pump with the import of the cooling tower.
9. the device according to claim 4 that sludge dehumidifying desiccation is carried out using energy conversion, it is characterised in that the dirt
Oxygen content detector is installed in mud hothouse.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720139980.2U CN206476880U (en) | 2017-02-16 | 2017-02-16 | The device of sludge dehumidifying desiccation is carried out using energy conversion |
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| CN201720139980.2U CN206476880U (en) | 2017-02-16 | 2017-02-16 | The device of sludge dehumidifying desiccation is carried out using energy conversion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522379A (en) * | 2017-09-21 | 2017-12-29 | 韶关市优力环保设备技术有限公司 | A kind of sludge drying method of sludge drying machine system |
| CN108046563A (en) * | 2017-12-20 | 2018-05-18 | 广州凯能电器科技有限公司 | Sludge drying automation production line |
| CN108592600A (en) * | 2018-05-17 | 2018-09-28 | 广州晟启能源设备有限公司 | A kind of energy conserving system driving enclosed low temperature band drier using absorption heat pump |
| CN108585411A (en) * | 2018-04-18 | 2018-09-28 | 广东芬尼克兹环保科技有限公司 | A kind of sludge drying system based on heat pump techniques |
| CN108911471A (en) * | 2018-08-21 | 2018-11-30 | 广州晟启能源设备有限公司 | A kind of enclosed band drier |
| CN109399885A (en) * | 2018-11-14 | 2019-03-01 | 广东申菱环境系统股份有限公司 | A kind of workshop formula sludge drying system |
| CN110526540A (en) * | 2019-09-24 | 2019-12-03 | 南京朗熙环保科技有限公司 | A kind of novel deeply dehydrating sludge method of modifying |
| CN113105093A (en) * | 2021-03-15 | 2021-07-13 | 上海仁创环境科技有限公司 | Sludge low-temperature linear drying conveying method and device |
-
2017
- 2017-02-16 CN CN201720139980.2U patent/CN206476880U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522379A (en) * | 2017-09-21 | 2017-12-29 | 韶关市优力环保设备技术有限公司 | A kind of sludge drying method of sludge drying machine system |
| CN108046563A (en) * | 2017-12-20 | 2018-05-18 | 广州凯能电器科技有限公司 | Sludge drying automation production line |
| CN108046563B (en) * | 2017-12-20 | 2020-05-08 | 广州凯能电器科技有限公司 | Automatic production equipment for sludge drying |
| CN108585411A (en) * | 2018-04-18 | 2018-09-28 | 广东芬尼克兹环保科技有限公司 | A kind of sludge drying system based on heat pump techniques |
| CN108585411B (en) * | 2018-04-18 | 2024-04-26 | 广东芬蓝环境科技有限公司 | Sludge drying system based on heat pump technology |
| CN108592600A (en) * | 2018-05-17 | 2018-09-28 | 广州晟启能源设备有限公司 | A kind of energy conserving system driving enclosed low temperature band drier using absorption heat pump |
| CN108911471A (en) * | 2018-08-21 | 2018-11-30 | 广州晟启能源设备有限公司 | A kind of enclosed band drier |
| CN109399885A (en) * | 2018-11-14 | 2019-03-01 | 广东申菱环境系统股份有限公司 | A kind of workshop formula sludge drying system |
| CN110526540A (en) * | 2019-09-24 | 2019-12-03 | 南京朗熙环保科技有限公司 | A kind of novel deeply dehydrating sludge method of modifying |
| CN113105093A (en) * | 2021-03-15 | 2021-07-13 | 上海仁创环境科技有限公司 | Sludge low-temperature linear drying conveying method and device |
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