CN109956644A - A kind of sealing and circulating equipment for sludge drying - Google Patents
A kind of sealing and circulating equipment for sludge drying Download PDFInfo
- Publication number
- CN109956644A CN109956644A CN201910293615.0A CN201910293615A CN109956644A CN 109956644 A CN109956644 A CN 109956644A CN 201910293615 A CN201910293615 A CN 201910293615A CN 109956644 A CN109956644 A CN 109956644A
- Authority
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- China
- Prior art keywords
- mesh belt
- outlet
- blower
- sludge drying
- sealing
- 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.)
- Pending
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- 239000010802 sludge Substances 0.000 title claims abstract description 55
- 238000001035 drying Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002361 compost Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to sludge treatment device fields, particularly disclose a kind of sealing and circulating equipment for sludge drying.This is used for the sealing and circulating equipment of sludge drying, hopper including containing wet mud, it is characterized by: hopper outlet corresponds to closed mesh belt system, mesh belt system includes the wired belt conveyer of corresponding hopper outlet, mesh belt system bottom be arranged face wired belt conveyer without shell blower, mesh belt system head is provided with the upper axial flow blower of connection combined type heat-exchange system, combined type heat-exchange system includes two ventilation ducts arranged side by side for being connected to axial flow blower outlet, one of ventilation duct is sequentially communicated condenser A, intermediate blower, the air outlet face wired belt conveyer of intermediate blower, another ventilation duct connection dehumidifying heat pump system, the air outlet of dehumidifying heat pump system is connected to without shell blower.Structure of the invention design is rationally, it can be achieved that automation, serialization, low-maintenance, mass production, solve the problems, such as that equipment and technology is unable to efficient matchings in original production.
Description
(1) technical field
The present invention relates to sludge treatment device field, in particular to a kind of sealing and circulating equipment for sludge drying.
(2) background technique
With market economic development, the industries such as paper mill sludge, municipal sludge, electroplating sludge are promoted rapidly, and sludge constantly accumulates,
As the important environmental issue for restricting enterprise development.Currently, sludge Land use systems are simple, effect is low, and benefit is few, predominantly burns
Power generation, compost organise.
(3) summary of the invention
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of automation, serialization, maintenance cost is low, treating capacity is high
The sealing and circulating equipment for sludge drying.
The present invention is achieved through the following technical solutions:
A kind of sealing and circulating equipment for sludge drying, the hopper including containing wet mud, it is characterised in that: hopper outlet pair
Closed mesh belt system is answered, mesh belt system includes the wired belt conveyer of corresponding hopper outlet, and face net is arranged in mesh belt system bottom
With conveyer without shell blower, mesh belt system head is provided with the upper axial flow blower of connection combined type heat-exchange system, and combined type changes
Hot systems include be connected to axial flow blower outlet two ventilation ducts arranged side by side, one of ventilation duct be sequentially communicated condenser A, in
Between blower, the wired belt conveyer of the air outlet face mesh belt system of intermediate blower, another ventilation duct connection dehumidifying heat pump system,
The air outlet of dehumidifying heat pump system is connected to the air supply duct without shell blower.
In the present invention, sludge in hopper is fallen on the mesh belt slowly walked by gravity, and no shell blower is from mesh-belt conveying
Motor spindle quickly send hot run test, hot run test to contact with sludge upwards during by sludge drying, humid air then enters combined type
Heat-exchange system is recycled, and mesh belt system is directly sent in heating back to a part of humid air again after condensing, and another entrance removes
Damp and hot pumping system makes humid air temperature lower than dew point by way of cooling, and steam is able to condensation and discharge system, dewatered
Atmosphere temperature rising becomes hot dry air and is fed again into the use of mesh belt system circulation, carries out in whole system incubator, therefore emission-free production
It is raw.
More excellent technical solution of the invention are as follows:
The hopper is installed in mesh belt system or the outlet of hopper is placed in mesh belt system, realizes the entirety of mesh belt system
Sealing, convenient for the circulation of air quantity and thermal energy.
The feed hopper bottom is equipped with blender and molding machine, is stirred, cuts to the sludge transported downwards.
The wired belt conveyer is three-layer network band structure for conveying, and lowest level mesh-belt conveying structure end is equipped with dry pug
Bucket, the drag conveyor Connected network band exterior that dry pug bucket passes through bottom.
The design of three-layer network band, occupied area is small, optimizes in operating method, by remotely controlling driving motor, heat
Dry-air blast dries sludge on mesh belt, and the moisture in wet mud is evaporated, under the action of upper axial flow blower, by high temperature
The gas of high humidity is sent into combined type heat-exchange system.
Wherein, the middle layer mesh belt is consistent with the conveying speed of lowest level mesh belt, and the conveying speed of the two is upper
The conveying speed of layer mesh belt is slow.For top layer's mesh belt sludge after preliminary desiccation, the speed of adhesive reduction, middle layer mesh belt is opposite
Relatively slow, then the meeting thickness that the sludge of middle layer mesh belt is laid with is some, and similarly, when sludge falls into lowest level mesh belt, sludge item can
So that the contact surface of hot run test and sludge be made to increase, sufficiently to take the moisture in sludge out of, make high temperature and humidity area at holding state
Gas in domain is to greatest extent close to saturation, the working efficiency of bigger raising heat-exchange system.
The dehumidifying heat pump system includes the bag filter for being connected to ventilating duct, and the air outlet of bag filter passes through heat exchange
Device connect compressor, compressor connect evaporator, and the air outlet of evaporator is connected to condenser B, the outlet condenser B by heat exchanger
It is connected to the air supply duct without shell blower.It after the gas of high temperature and humidity is by dedusting, heat exchanger dehumidifying, then does manual work through compressor, steams
It sends out device to cool down to gas again, so that gas temperature is down to dew point hereinafter, reaching the mesh of dehumidifying to the moisture in bubbing
's；Gas absorbs heat through heat exchanger after dehumidifying, preliminary to heat up, and does manual work through condenser, compressor, condenser adds again to gas
Temperature, ultimately become high temperature drying gas be again introduced into mesh belt system circulation use, build one by drying to dehumidify again to
The unlimited cycles, economized system of drying.
Wherein, the base of evaporator drags water pond water outlet to be connected to plant area's drainage pipeline, carries out sewage and is uniformly processed.
The mesh belt system and combined type heat-exchange system are all made of polyurethane heat insulation material and are assembled into sealing space.
Structure of the invention design is rationally, it can be achieved that automation, serialization, low-maintenance, mass production, according to sludge
Matter, processing paper mill sludge, municipal sludge, electroplating sludge etc. are heat source using air heat energy, carry out low temperature drying dehumidifying to sludge
Desiccation is not generated any waste heat, is discarded using closed heat pump drying dehumidifying technology, and heat pump drying is energy-efficient, in combination with certainly
Dynamicization control technology can sufficiently realize minimizing, the stabilisation, innoxious and recycling treatment of sludge, solve in original production
Equipment and technology is unable to the problem of efficient matchings.
(4) Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is process flow chart of the invention.
In figure, 1 hopper, 2 mesh belt systems, 3 wired belt conveyers, 4 without shell blower, 5 combined type heat-exchange systems, axis stream wind on 6
Machine, 7 condenser A, 8 intermediate blowers, 9 dry pug buckets, 10 drag conveyors, 11 bag filters, 12 heat exchangers, 13 compressors,
14 evaporators, 15 condenser B.
(5) specific embodiment
Attached drawing is a kind of specific embodiment of the invention.The embodiment includes the hopper 1 for containing wet mud, and the outlet of hopper 1 corresponds to
Closed mesh belt system 2, mesh belt system 2 include the wired belt conveyer 3 that corresponding hopper 1 exports, and face is arranged in 2 bottom of mesh belt system
Wired belt conveyer 3 without shell blower 4, the upper axial flow blower 6 of connection combined type heat-exchange system 5 is provided at the top of mesh belt system 2, it is multiple
Box-like heat-exchange system 5 includes two ventilation ducts arranged side by side for being connected to upper axial flow blower 6 and exporting, and one of ventilation duct is sequentially communicated cold
Condenser A7, intermediate blower 8, the wired belt conveyer 3 of the air outlet face mesh belt system 2 of intermediate blower 8, the connection of another ventilation duct
Dehumidify heat pump system, and the air outlet for the heat pump system that dehumidifies is connected to the air supply duct without shell blower 4.
The wired belt conveyer 3 is three-layer network band structure for conveying, and lowest level mesh-belt conveying structure end is equipped with dry pug
Bucket 9, dry pug bucket 9 is by 10 Connected network of drag conveyor of bottom with outside system 2；The dehumidifying heat pump system includes connection
The bag filter 11 of ventilating duct, by 12 connect compressor 13 of heat exchanger, compressor 13 connects the air outlet of bag filter 11
Evaporator 14 is connect, the air outlet of evaporator 14 is connected to condenser B15 by heat exchanger 12, and condenser B15 outlet is without shell wind
The air supply duct of machine 4；The middle layer mesh belt is consistent with the conveying speed of lowest level mesh belt, and the conveying speed of the two is upper
The conveying speed of layer mesh belt is slow.
Sludge is sent into mesh belt system 2 by wired belt conveyer 3, the blender and molding machine carried by wired belt conveyer 3
Sludge is cut into strip, is fallen on the mesh belt slowly walked by gravity, hot run test is risen by mesh belt bottom with fast speed, with
By the quick desiccation of sludge during sludge contact, humid air then enters combined type heat-exchange system 5, is made by way of cooling
Humid air temperature is lower than dew point, and steam is able to condensation and discharge system to plant area's sewage conduct, " to be dehydrated " by condenser B
Atmosphere temperature rising afterwards becomes hot dry air, is sent into mesh belt system 2 and continues dewatered sludge, air recycles in overall process, therefore nothing
Tail gas generates.Moisture percentage in sewage sludge can be reduced to 40% once by present system, and sludge uses total closed type conveyer book after desiccation
Mesh belt system 2 is sent out, by picking up, transporting, carries out later use.
Wired belt conveyer 3 of the invention is designed using three-layer network band, and occupied area is small, is optimized in operating method,
By remotely controlling driving motor so that upper wire band sludge it is thin, have penetrated from bottom without 4 bring wind of shell blower with
From the wind of intermediate blower 8, it is dried, the moisture in wet mud is just being handled, in the effect of upper axial flow blower 6
Under, by the gas of high temperature and humidity, bring combined type heat-exchange system 5 into, the gas of a part of high humidity high fever is right again by condenser A7
Gas is heated, and mesh belt system 2 is entered under the action of intermediate blower and is recycled, and the gas of another part high temperature and humidity then leads to
The dehumidifying for crossing heat pump (heat exchanger 12, compressor 13, evaporator 14 and condenser B15 are used cooperatively) heats again becomes high temperature drying
Gas be again introduced into mesh belt system 2 and recycle.
In wired belt conveyer, upper wire band sludge is after preliminary desiccation, adhesive reduction, by the speed tune of middle layer mesh belt
Slowly, the sludge of middle layer mesh belt spreads thick；Similarly, when sludge falls into lowest level mesh belt, sludge item can be at support shape
State, so that the contact surface of the wind and sludge that keep bottom blower bring dry increases, so that bigger improves efficiency, better band
The moisture in sludge is walked, the efficiency of system is increased, it follows that three-layer network band is more efficient.
Sludge after desiccation transfers out mesh belt system 2, recycling and reusing through drag conveyor 10；Process of the sludge in desiccation
In, with the completely isolated sealing of extraneous polyurethane heat insulation material, the heat energy recycling of the inside is not lost, and it is high-efficient, and nothing
Exhaust gas discharge, safety and environmental protection.
Compared with traditional heat drying processing unit, major advantage is apparatus of the present invention:
(1) system automation degree height, the operation of PLC Automatic Optimal, it is easy to operate；
(2) equipment uses efficient heat recovery technology, and sealing and circulating utilizes, and operating cost is low；
(3) closed low temperature drying process is used, securely and reliably, treatment process is generated without exhaust gas；
(4) layered arrangement, occupied area are small, and installation is simple, are not necessarily to auxiliary civil engineering；
(5) for complete machine using anti-corrosion materials such as stainless steels, service life is high, is suitable for a variety of Treatment of Sludge；
(6) combined type heat-exchange system is used, whole unit efficiency improves 20% or more compared with conventional heat pump drying system.
Claims (8)
1. a kind of sealing and circulating equipment for sludge drying, the hopper (1) including containing wet mud, it is characterised in that: hopper
(1) the corresponding closed mesh belt system (2) in outlet, mesh belt system (2) include the wired belt conveyer (3) of corresponding hopper (1) outlet, net
With system (2) bottom setting face wired belt conveyer (3) without shell blower (4), it is compound that connection is provided at the top of mesh belt system (2)
The upper axial flow blower (6) of formula heat-exchange system (5), combined type heat-exchange system (5) include two for being connected to upper axial flow blower (6) outlet
Ventilation duct arranged side by side, one of ventilation duct are sequentially communicated condenser A(7), intermediate blower (8), the air outlet of intermediate blower (8) is just
To the wired belt conveyer (3) of mesh belt system (2), another ventilation duct connection dehumidifying heat pump system, the outlet air for the heat pump system that dehumidifies
Air supply duct of the mouth connection without shell blower (4).
2. the sealing recycle unit according to claim 1 for sludge drying, it is characterised in that: hopper (1) peace
It is placed in mesh belt system (2) loaded in mesh belt system (2) or the outlet of hopper (1).
3. the sealing recycle unit according to claim 1 for sludge drying, it is characterised in that: hopper (1) bottom
Portion is equipped with blender and molding machine.
4. the sealing recycle unit according to claim 1 for sludge drying, it is characterised in that: the wired belt conveyer
It (3) is three-layer network band structure for conveying, lowest level mesh-belt conveying structure end is equipped with dry pug bucket (9), and dry pug bucket (9) passes through
Drag conveyor (10) Connected network band system (2) of bottom is external.
5. the sealing recycle unit according to claim 1 for sludge drying, it is characterised in that: the dehumidifying heat pump system
System includes the bag filter (11) of connection ventilating duct, and the air outlet of bag filter (11) passes through heat exchanger (12) connection compression
Machine (13), compressor (13) connect evaporator (14), and the air outlet of evaporator (14) is connected to condenser B by heat exchanger (12)
(15), condenser B(15) air supply duct of the outlet without shell blower (4).
6. the sealing recycle unit according to claim 1 for sludge drying, it is characterised in that: the mesh belt system
(2) it is all made of polyurethane heat insulation material with combined type heat-exchange system (5) and is assembled into sealing space.
7. the sealing recycle unit according to claim 4 for sludge drying, it is characterised in that: the middle layer mesh belt
It is consistent with the conveying speed of lowest level mesh belt, and the conveying speed of the two is slow compared with the conveying speed of top layer's mesh belt.
8. the sealed circulation system according to claim 5 for sludge drying, it is characterised in that: the evaporator (14)
Water pond water outlet is dragged to be connected to plant area's drainage pipeline in bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293615.0A CN109956644A (en) | 2019-04-12 | 2019-04-12 | A kind of sealing and circulating equipment for sludge drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293615.0A CN109956644A (en) | 2019-04-12 | 2019-04-12 | A kind of sealing and circulating equipment for sludge drying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109956644A true CN109956644A (en) | 2019-07-02 |
Family
ID=67026086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293615.0A Pending CN109956644A (en) | 2019-04-12 | 2019-04-12 | A kind of sealing and circulating equipment for sludge drying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109956644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121085A (en) * | 2019-12-31 | 2021-07-16 | 广东蓝创能源设备有限公司 | Novel sludge equipment |
| CN113776314A (en) * | 2021-11-11 | 2021-12-10 | 中建环能科技股份有限公司 | Heat exchange device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206430514U (en) * | 2017-01-13 | 2017-08-22 | 冯海英 | Practical high-efficiency sludge dehumidifying drying integrated system structure |
| CN206607143U (en) * | 2017-03-20 | 2017-11-03 | 光大水务（深圳）有限公司 | Sludge heat drying device |
| CN109186235A (en) * | 2018-09-29 | 2019-01-11 | 山东福航新能源环保股份有限公司 | A kind of viscosity object drying unit |
| CN109237910A (en) * | 2018-10-26 | 2019-01-18 | 江南大学 | A kind of energy-saving enclosed heat pump sludge drying dehumidification system and technique |
| CN209940798U (en) * | 2019-04-12 | 2020-01-14 | 山东福航新能源环保股份有限公司 | Closed circulation equipment for sludge drying |
-
2019
- 2019-04-12 CN CN201910293615.0A patent/CN109956644A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206430514U (en) * | 2017-01-13 | 2017-08-22 | 冯海英 | Practical high-efficiency sludge dehumidifying drying integrated system structure |
| CN206607143U (en) * | 2017-03-20 | 2017-11-03 | 光大水务（深圳）有限公司 | Sludge heat drying device |
| CN109186235A (en) * | 2018-09-29 | 2019-01-11 | 山东福航新能源环保股份有限公司 | A kind of viscosity object drying unit |
| CN109237910A (en) * | 2018-10-26 | 2019-01-18 | 江南大学 | A kind of energy-saving enclosed heat pump sludge drying dehumidification system and technique |
| CN209940798U (en) * | 2019-04-12 | 2020-01-14 | 山东福航新能源环保股份有限公司 | Closed circulation equipment for sludge drying |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121085A (en) * | 2019-12-31 | 2021-07-16 | 广东蓝创能源设备有限公司 | Novel sludge equipment |
| CN113776314A (en) * | 2021-11-11 | 2021-12-10 | 中建环能科技股份有限公司 | Heat exchange device |
| CN113776314B (en) * | 2021-11-11 | 2022-02-08 | 中建环能科技股份有限公司 | Heat exchange device |
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| PB01 | Publication | ||
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Application publication date: 20190702 |