CN110885174A - Through-flow sludge belt dryer - Google Patents
Through-flow sludge belt dryer Download PDFInfo
- Publication number
- CN110885174A CN110885174A CN201911230579.XA CN201911230579A CN110885174A CN 110885174 A CN110885174 A CN 110885174A CN 201911230579 A CN201911230579 A CN 201911230579A CN 110885174 A CN110885174 A CN 110885174A
- Authority
- CN
- China
- Prior art keywords
- drying
- dryer
- shearing
- box
- pressing
- 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
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 55
- 238000001035 drying Methods 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000010008 shearing Methods 0.000 claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 33
- 238000007790 scraping Methods 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 7
- 230000003179 granulation Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 12
- 238000005520 cutting process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- -1 hair Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a through-flow sludge belt dryer which comprises a box-type machine body, wherein a plurality of drying layers which are arranged in parallel are arranged in the box-type machine body from top to bottom, the drying layers are metal net-shaped conveying belts, the running directions of the net belts of the drying layers are opposite, and materials are sequentially transferred from an upper drying layer to a lower drying layer by utilizing gravity. The drying air enters the cross-flow air supply pipes of the drying layers from the upper part of the box type body through air channels, the low-temperature high-humidity air after drying is discharged from a plurality of air outlets below the drying machine, the lowest layer of the drying machine is a cleaning layer, the dried materials and the blanking of the drying layers are cleaned to a discharge port at the lower part of the box type body of the drying machine, a feed port is positioned at the upper part of the drying machine, the semi-dry mud enters the drying machine after being granulated, and a granulator is positioned at the upper part of the feed port of the drying machine and is a pair-roller shearing and profiling device. The invention provides a belt type dryer which can dry semi-dry sludge with the water content of 68-72% to dry sludge with the water content of 10-20%, and the heat of the incineration dried sludge can meet the heat requirement of the dryer, and the belt type dryer has high heat efficiency.
Description
Technical Field
The invention relates to the field of municipal sludge treatment, in particular to a belt type sludge dryer.
Background
In the current municipal sludge treatment technology, combustible components in the sludge can be fully combusted at high temperature through incineration, and finally stable ash is formed. The burning method has the advantages of volume reduction, high weight reduction rate, high treatment speed, thorough harmless treatment, reutilization of waste heat and the like. The main purpose of incineration is to incinerate the waste as much as possible, make the incinerated substance harmless and reduce the volume to the maximum extent, and reduce the generation of new pollutants as much as possible, avoiding the secondary pollution.
The water content of sludge discharged from sewage treatment is usually more than 80%, and the sludge can be self-sustained incinerated after being dried until the water content is 10-20%; and the average heat value of the dry basis of the municipal sludge in China is low, the average value is about 11MJ/kg, and compared with developed countries such as Europe and America, the dry basis heat value of the sludge in China is 22.4-37.7 percent lower. The original sludge is mechanically dewatered and then dried, which is an economical and practical process method in energy consumption.
The existing dryers in China mostly adopt the modes of large-air-volume air inlet and circulating air or additionally arrange heating plates in the dryer.
The essence of the sludge drying process is the water-containing gasification process in the sludge, and an important factor influencing the water-containing gasification of the sludge is the temperature in the water-containing sludge body.
Disclosure of Invention
The invention aims to solve the problems that the air supply of a dryer is unreasonable, the heat absorption in sludge is not facilitated, the heat efficiency is low, and a large amount of auxiliary heat sources are required to be added in the drying process of the sludge, and provides a flow-through sludge belt dryer.
The technical scheme adopted by the invention for solving the problems is as follows:
a through-flow sludge belt dryer comprises a dryer body, wherein the dryer body is a box type dryer body, a feed inlet and a discharge outlet are formed in the dryer body, a plurality of drying layers are arranged in the dryer body from top to bottom, the drying layers are metal mesh conveying belts, and the running directions of the conveying belts of the adjacent drying layers are opposite; the top of the machine body is provided with a main air inlet duct, the main air inlet duct is communicated with a plurality of air supply branch pipes, the air supply branch pipes are communicated with layered rectangular air inlet ducts, the layered rectangular air inlet ducts are arranged along the direction of a transport belt, a plurality of flow-through air supply pipes which are oblique or vertical to the direction of the transport belt are arranged in the layered rectangular air inlet ducts, and the inlet of each layered rectangular air inlet duct is provided with an adjusting valve; an air outlet is formed in the lower portion of the machine body, the lowermost layer of the machine body is a cleaning layer, a feeding hole is formed in the upper portion of the machine body, and a granulator is mounted on the upper portion of the feeding hole.
Furthermore, the machine body is a box-type machine body made of metal plates, and the box-type machine body is covered with an insulating layer.
Furthermore, the conveying belt is in driving connection with the stepless speed regulator, and a plurality of temperature sensors and pressure sensors are respectively arranged below each drying layer.
Furthermore, the cleaning layer comprises a cleaning travelling mechanism, cleaning strips and a power device for driving the cleaning travelling mechanism to operate, wherein the cleaning travelling mechanism comprises a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively installed on the supporting seat, toothed discs are arranged at two ends of the driving shaft and the driven shaft, closed chains are installed on the toothed discs, a plurality of cleaning strips are arranged on the chains at intervals, and the driving shaft is connected with the power device.
Furthermore, a plurality of air outlet nozzles are arranged on the flow-through air supply pipe.
Further, be equipped with temperature sensor and humidity transducer on the total air outlet for judge whether heat utilization degree and heat in the dry air match with the material.
Furthermore, the upper opening of the granulator box body is a receiving opening, the lower opening of the granulator box body is a discharge opening, and a distributor, a material breaking assembly, a reciprocating kick-out device and a pair roller shearing and pressing granulation assembly are sequentially arranged in the granulator box body from top to bottom; the pair-roller shearing and pressing granulation assembly comprises two toothed shearing and pressing rollers which are parallel and penetrate through the box body, the two shearing and pressing rollers are respectively a driving shearing and pressing roller and a driven shearing and pressing roller, the driving shearing and pressing roller and the driven shearing and pressing roller extend out of the granulator box body and are engaged with each other through gears, the driving shearing and pressing roller is connected with a shearing and pressing power device, concave-convex shearing and pressing teeth are arranged on roller bodies in the driving shearing and pressing roller and the driven shearing and pressing roller box body, and the shearing and pressing teeth on the two shearing and pressing rollers are engaged; the material distributor of the granulator is positioned in the middle of the receiving port of the box body and is a material guide groove formed by welding a plurality of steel plates; the material breaking component of the granulator is positioned below the distributor and consists of a static metal lattice sieve plate and mud scraping strips which do reciprocating motion, the mud scraping strips are movably arranged on the metal lattice sieve plate, the length direction of the mud scraping strips is vertical to the direction of the reciprocating motion, and the mud scraping strips and the distributor are commonly connected with a crank connecting rod and a mud scraping power device which do reciprocating motion.
Further, the drying layers in the body are parallel to each other.
Compared with the similar drying machine, the invention has the following remarkable advantages: the invention relates to a through-flow type sludge belt dryer, wherein materials are sequentially transferred from an upper drying layer to a lower drying layer by utilizing gravity, and are subjected to ventilation drying through each layer, dry air enters an air inlet duct and a through-flow air supply pipe of each drying layer from the upper part of a box-type machine body through a main air inlet duct, the dried low-temperature high-humidity air is discharged from a plurality of air outlets below the dryer, the lowest layer of the dryer is a cleaning layer, the dried materials and blanking of each drying layer are cleaned to a discharge outlet at the lower part of the box-type machine body of the dryer, no material is accumulated in the dryer, the dryer does not need to be stopped for cleaning, a feed inlet is positioned at the upper part of the dryer, semi-dry sludge is granulated and then enters the dryer, a granulator is positioned at the upper part of the feed inlet of the dryer, and is a double-roller shearing and pressing device, so that. The invention provides a belt type dryer which can dry semi-dry sludge with the water content of 68-72% to dry sludge with the water content of 10-20%, and the heat of the incineration dried sludge can meet the heat requirement of the dryer, and the belt type dryer has high heat efficiency.
The box-type body of the through-flow type sludge belt dryer is not only a shell of the dryer, but also a support frame for all parts inside and outside the dryer, the box-type body is made of a metal plate, and a high-temperature-resistant heat-insulating layer is coated outside the box-type body, so that the heat loss of the dryer is ensured to be minimum.
The running speed of the conveying belt of the through-flow dryer can be adjusted in a stepless manner, the running speed of the mesh belt can be adjusted according to the material quantity, and the thickness of auxiliary materials of the material and the retention time of the auxiliary materials on the mesh belt are controlled. And a plurality of temperature sensors and pressure sensors are arranged below each drying material layer and used for monitoring the temperature difference and pressure state generated when the drying air passes through the drying materials, adjusting the thickness of the drying materials and the temperature of the drying air according to the monitored temperature difference, and adjusting the air intake of the drying air of each drying layer according to the pressure state.
The lower part of the through-flow type sludge belt dryer is provided with a plurality of air outlets and a main air outlet channel, and the main air outlet is provided with a temperature sensor and a humidity sensor which are used for judging the heat utilization degree in the drying air and whether the heat is matched with the material or not. When the air exhaust temperature is too low, the temperature and the air quantity of the drying air are improved, and when the air exhaust humidity is too high, the material feeding quantity is reduced or the air quantity of the air exhaust is improved.
Drawings
FIG. 1 is a schematic structural diagram of a through-flow sludge belt dryer of the present invention.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a schematic view of an external air duct of the through-flow sludge belt type dryer.
Figure 4 is a schematic diagram of the pelletizer of the present invention.
FIG. 5 is a schematic view of a sweeping layer according to the present invention.
In the figure: 1 box-type machine body, 2 drying layers, 3 main air inlet ducts, 4 air inlet ducts, 5 cross-flow air supply pipes, 6 air outlets, 7 cleaning layers, 8 material outlets, 9 granulators, 10 material inlets, 11 power devices, 12 temperature sensors, 13 pressure sensors, 14 driving shafts, 15 driven shafts, 16 metal chains, 17 cleaning strips, 18 observation ports, 19 driving motors, 20 air supply branch pipes, 21 valves, 22 main air outlet ducts and 23 bearing seats.
Detailed Description
The illustrated picture is a schematic diagram of an embodiment of the through-flow type sludge belt dryer, the embodiment is used in the sludge treatment industry, the invention provides the belt dryer which can dry semi-dry sludge with the water content of 68-72% to dry sludge with the water content of 10-20%, and the heat of the incineration dried sludge can meet the heat requirement of the dryer, so that the heat efficiency is high.
The through-flow sludge belt dryer shown in fig. 1-3 comprises a box-type body 1, wherein a plurality of layers of drying layers 2 which are arranged in parallel are arranged in the box-type body from top to bottom, the drying layers 2 are metal mesh-shaped conveying belts, the running directions of mesh belts of the drying layers 2 are opposite, and materials are sequentially transferred from an upper drying layer to a lower drying layer by utilizing gravity. The dry air enters the air inlet ducts 4 and the flow-through air supply pipes 5 of the drying layers from the upper part of the box-type machine body through the main air inlet duct 3, the number of the drying layers is four in the embodiment, and the drying layers can be increased or decreased according to the design and the requirement. The dried low-temperature high-humidity air is discharged from a plurality of air outlets 6 below the dryer and is in the dryer. The air current flows from top to bottom, and the hot air of each drying layer flows to the air outlet 6 after passing through the sludge of the corresponding layer after coming out from the flow-through air supply pipe 5. The lowest layer of the dryer is a cleaning layer 7, dried materials and blanking of each drying layer are cleaned to a discharge port 8 at the lower part of a dryer box type machine body, no materials are accumulated in the dryer, the dryer does not need to be stopped for cleaning, a feed port 10 is positioned at the upper part of the dryer, semi-dry sludge enters the dryer after being granulated, a granulator 9 is positioned at the upper part of the feed port 10 of the dryer and is a pair-roller shearing and pressing type device, impurities such as hair, plastics and the like in the semi-dry sludge can be effectively sheared, and blanking is smooth and free of blockage.
The box-type body 1 of the through-flow sludge belt dryer is not only a shell of the dryer, but also a support frame for each component outside the dryer, and a power device for driving a mesh belt of each drying layer 2 and a cleaning layer 7 to run is supported outside the box-type body 1; the box-type dryer body 1 comprises a main air inlet duct 3, an air outlet duct 6, a feeding port 10, a discharging port 8 and a plurality of observation ports 18, and is made of metal plates, and a high-temperature-resistant heat-insulating layer is wrapped outside the box-type dryer body, so that the minimum heat loss of the dryer is ensured.
The drying layer 2 mesh belt of the cross-flow dryer is formed by weaving metal wires, a plurality of layers are arranged from top to bottom in the dryer, and the running directions of the two adjacent layers are opposite. The running speed of each mesh belt can be steplessly regulated through a power device 11, the running speed of the mesh belt is regulated according to the material quantity, and the material spreading thickness and the retention time on the mesh belt are controlled. And a plurality of temperature sensors 12 and pressure sensors 13 are arranged below each drying layer 2 and used for monitoring the temperature difference and pressure state generated when drying air passes through a drying object, adjusting the thickness of a drying material and the temperature of the drying air according to the monitored temperature difference, and adjusting the air intake of the drying air of each drying layer according to the pressure state.
The cleaning layer 7 in the through-flow sludge belt dryer is positioned below each drying layer 2, as shown in fig. 5, transmission shafts with chain wheels are arranged at two ends along the length direction of the dryer, namely a driving shaft 14 and a driven shaft 15, the axial direction of the transmission shafts is the same as the width direction of the dryer, two ends of each shaft penetrate through the box type dryer body and are supported by bearing seats 23 outside the box type dryer body, the driving shaft end is further connected with a speed reducer and a driving motor 19, the chain wheels are sleeved with closed metal chains 16, and cleaning strips 17 along the width direction of the dryer are arranged on the metal chains at intervals. The material is unloaded to the layer of cleaning to the drier bottom drying layer, cleans 7 continuous operation on layer, cleans to drier discharge gate 8 the material that dried material and each drying layer 2 fell, cleans the blanking point of layer's motion direction from the upper strata drying layer to drier discharge gate 8.
The top of the through-flow sludge belt dryer is provided with a main air inlet duct 3, dry air enters a layered rectangular air inlet duct 4 of each drying layer 2 from the main air inlet duct 3 through a plurality of air supply branch pipes 20, the layered rectangular air inlet duct 4 is arranged along the length direction of the dryer, a plurality of through-flow air supply pipes 5 which supply air to each drying layer 2 along the width direction of the dryer are arranged in the layered rectangular air inlet duct, and the number and the diameter of nozzles on the through-flow air supply pipes 5 are determined according to the layered air supply amount and the jet core length required by a nozzle opening.
And a valve 21 for adjusting the dry air quantity is arranged at the inlet of each layered rectangular air inlet duct and is used for reasonably distributing the dry air inlet quantity of each layer.
The lower part of the through-flow sludge belt dryer is provided with a plurality of air outlets 6 and a total air outlet channel 22, and the total air outlet is provided with a temperature sensor and a humidity sensor 23 for judging whether the heat utilization degree and the heat in the drying air are matched with the materials. When the air exhaust temperature is too low, the temperature and the air quantity of the drying air are improved, and when the air exhaust humidity is too high, the material feeding quantity is reduced or the air quantity of the air exhaust is improved.
A granulator 9 of the cross-flow sludge belt dryer is positioned on the upper part of a feeding port 10 of the dryer, as shown in fig. 4, the granulator 9 is shaped as an inverted trapezoidal box, the upper port of the box is a receiving port, the lower port of the box is a discharging port, a distributor 906, a material breaking assembly 907 and a reciprocating kick-out device 903 are sequentially arranged in the box from top to bottom, and a pair of roller shear pressure granulation assemblies 902 are arranged in the box; the pair roller is cut and is pressed granulation subassembly includes that two parallels just run through the tooth of box and cut the compression roller, and two are cut the compression roller and are cut the compression roller for initiative and cut the compression roller for the driven compression roller of cutting respectively, and the compression roller is cut in the initiative and the driven compression roller of cutting stretches out the meshing of box external part gear, cuts the compression roller in the initiative and cuts the compression roller with the driven compression power device 901 hookup of cutting, cuts the compression roller in the initiative and has unsmooth alternate cutting on the compression roller box internal part roll body and press the tooth, cuts.
The distributor 906 is positioned in the middle of the receiving port of the box body and is a guide chute formed by welding a plurality of steel plates.
The material breaking component 907 is positioned below the distributor and consists of a static metal lattice sieve plate and a mud scraping strip which reciprocates, the mud scraping strip is movably arranged on the metal lattice sieve plate, the length direction of the mud scraping strip is vertical to the reciprocating direction, and the mud scraping strip and the distributor are commonly connected with a crank connecting rod 908 which reciprocates and a mud scraping power device 909 which scrapes mud.
The reciprocating kick-out device comprises a plurality of kick-out rods 904 which are connected by structural members to form a frame structure, each kick-out rod is provided with a kick-out head 905, and the kick-out heads are positioned above the meshing seam of the toothed rollers of the pair roller shearing and pressing granulation assembly and do reciprocating motion above the meshing seam.
Claims (8)
1. A through-flow sludge belt dryer comprises a dryer body, wherein the dryer body is a box-type dryer body and is provided with a feed inlet and a discharge outlet, and the through-flow sludge belt dryer is characterized in that a plurality of drying layers are arranged in the dryer body from top to bottom, the drying layers are metal mesh conveying belts, and the running directions of the conveying belts of the adjacent drying layers are opposite; the top of the machine body is provided with a main air inlet duct, the main air inlet duct is communicated with a plurality of air supply branch pipes, the air supply branch pipes are communicated with layered rectangular air inlet ducts, the layered rectangular air inlet ducts are arranged along the direction of a transport belt, a plurality of flow-through air supply pipes which are oblique or vertical to the direction of the transport belt are arranged in the layered rectangular air inlet ducts, and the inlet of each layered rectangular air inlet duct is provided with an adjusting valve; an air outlet is formed in the lower portion of the machine body, the lowermost layer of the machine body is a cleaning layer, a feeding hole is formed in the upper portion of the machine body, and a granulator is mounted on the upper portion of the feeding hole.
2. The through-flow sludge belt dryer of claim 1, wherein the body is a box-type body made of metal plate, and the box-type body is covered with an insulating layer.
3. The through-flow sludge belt dryer of claim 1, wherein the conveying belt is in driving connection with a stepless speed regulator, and a plurality of temperature sensors and pressure sensors are respectively arranged below each drying layer.
4. The cross-flow sludge belt dryer of claim 1, wherein the cleaning layer comprises a cleaning traveling mechanism, cleaning strips and a power device for driving the traveling mechanism to operate, the cleaning traveling mechanism comprises a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively installed on the supporting seat, the driving shaft and the driven shaft are respectively provided with a chain wheel at two ends, a closed chain is installed on the chain wheel, a plurality of cleaning strips are arranged on the chain at intervals, and the driving shaft is connected with the power device.
5. The through-flow sludge belt dryer of claim 1, wherein the through-flow blast pipe is provided with a plurality of air outlet nozzles.
6. The cross-flow sludge belt dryer of claim 1, wherein a temperature sensor and a humidity sensor are arranged on the main air outlet and used for judging the heat utilization degree in the drying air and whether the heat is matched with the material.
7. The cross-flow sludge belt dryer as claimed in claim 1, wherein the upper opening of the granulator box is a receiving opening, the lower opening is a discharging opening, and the granulator box is internally provided with a distributor, a material breaking assembly, a reciprocating kickoff assembly and a pair roller shearing and pressing granulation assembly in sequence from top to bottom; the pair-roller shearing and pressing granulation assembly comprises two toothed shearing and pressing rollers which are parallel and penetrate through the box body, the two shearing and pressing rollers are respectively a driving shearing and pressing roller and a driven shearing and pressing roller, the driving shearing and pressing roller and the driven shearing and pressing roller extend out of the granulator box body and are engaged with each other through gears, the driving shearing and pressing roller is connected with a shearing and pressing power device, concave-convex shearing and pressing teeth are arranged on roller bodies in the driving shearing and pressing roller and the driven shearing and pressing roller box body, and the shearing and pressing teeth on the two shearing and pressing rollers are engaged; the material distributor of the granulator is positioned in the middle of the receiving port of the box body and is a material guide groove formed by welding a plurality of steel plates; the material breaking component of the granulator is positioned below the distributor and consists of a static metal lattice sieve plate and mud scraping strips which do reciprocating motion, the mud scraping strips are movably arranged on the metal lattice sieve plate, the length direction of the mud scraping strips is vertical to the direction of the reciprocating motion, and the mud scraping strips and the distributor are commonly connected with a crank connecting rod and a mud scraping power device which do reciprocating motion.
8. The through-flow sludge belt dryer of claim 1 wherein the drying layers within the body are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911230579.XA CN110885174A (en) | 2019-12-05 | 2019-12-05 | Through-flow sludge belt dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911230579.XA CN110885174A (en) | 2019-12-05 | 2019-12-05 | Through-flow sludge belt dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110885174A true CN110885174A (en) | 2020-03-17 |
Family
ID=69750451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911230579.XA Pending CN110885174A (en) | 2019-12-05 | 2019-12-05 | Through-flow sludge belt dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110885174A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572317Y (en) * | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| US20040182953A1 (en) * | 2003-03-19 | 2004-09-23 | Innoplana Umwelttechnik Ag | Process for processing sludge to a granulate |
| CN103623745A (en) * | 2012-08-28 | 2014-03-12 | 北大工学院绍兴技术研究院 | Granulation drying apparatus for wet sludge |
| CN205373370U (en) * | 2015-12-25 | 2016-07-06 | 石家庄市矿区丰旺机械有限公司 | Egg -type briquet drying -machine wind -heat fast drying system |
| CN206832016U (en) * | 2017-06-16 | 2018-01-02 | 山东琦泉能源科技有限公司 | Lossless electric-type divides airduct drying system |
| CN207357247U (en) * | 2017-10-24 | 2018-05-15 | 四川秦岭科技有限公司 | A kind of fluid bed is granulated crusher with sorting |
| CN207407664U (en) * | 2017-10-23 | 2018-05-25 | 江苏宝威机械科技有限公司 | The automatic ash removing device of band drier |
| CN208649092U (en) * | 2018-04-24 | 2019-03-26 | 浙江大学苏州工业技术研究院 | A kind of sludge molding machine |
| CN211570441U (en) * | 2019-12-05 | 2020-09-25 | 大连绿诺集团有限公司 | Through-flow sludge belt dryer |
-
2019
- 2019-12-05 CN CN201911230579.XA patent/CN110885174A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572317Y (en) * | 2002-10-14 | 2003-09-10 | 朱正平 | Three-layer belt type throug-flow dryer |
| US20040182953A1 (en) * | 2003-03-19 | 2004-09-23 | Innoplana Umwelttechnik Ag | Process for processing sludge to a granulate |
| CN103623745A (en) * | 2012-08-28 | 2014-03-12 | 北大工学院绍兴技术研究院 | Granulation drying apparatus for wet sludge |
| CN205373370U (en) * | 2015-12-25 | 2016-07-06 | 石家庄市矿区丰旺机械有限公司 | Egg -type briquet drying -machine wind -heat fast drying system |
| CN206832016U (en) * | 2017-06-16 | 2018-01-02 | 山东琦泉能源科技有限公司 | Lossless electric-type divides airduct drying system |
| CN207407664U (en) * | 2017-10-23 | 2018-05-25 | 江苏宝威机械科技有限公司 | The automatic ash removing device of band drier |
| CN207357247U (en) * | 2017-10-24 | 2018-05-15 | 四川秦岭科技有限公司 | A kind of fluid bed is granulated crusher with sorting |
| CN208649092U (en) * | 2018-04-24 | 2019-03-26 | 浙江大学苏州工业技术研究院 | A kind of sludge molding machine |
| CN211570441U (en) * | 2019-12-05 | 2020-09-25 | 大连绿诺集团有限公司 | Through-flow sludge belt dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103693829A (en) | Sludge treatment equipment and process | |
| CN103708690B (en) | Sludge treatment device | |
| CN106630539A (en) | Low-temperature drying device for sludge | |
| EP3189891A1 (en) | Combination pelletizer | |
| CN109231756A (en) | One kind being used for sludge desiccation processing equipment | |
| TW201808443A (en) | Combined-type granulator | |
| CN211570441U (en) | Through-flow sludge belt dryer | |
| CN105948431A (en) | Sludge drying full-automatic production line | |
| CN107814472B (en) | Sludge drying treatment method and device | |
| CN106915888A (en) | A kind of sludge treating system and its processing method | |
| CN106915889B (en) | Sludge drying equipment | |
| CN110425547A (en) | A kind of disposal of oily sludge complete set of equipments | |
| CN114804573A (en) | Sludge forming belt type drying system and drying process thereof | |
| CN110885174A (en) | Through-flow sludge belt dryer | |
| CN112212349A (en) | Aquatic plant processing system | |
| CN111780121A (en) | Domestic garbage treatment device | |
| KR100678690B1 (en) | Wet waste drying maching | |
| CN203625210U (en) | Sludge treatment equipment | |
| CN217265377U (en) | Sludge forming belt type drying system | |
| CN216191856U (en) | Feeding and material homogenizing mechanism for continuous dangerous waste sludge dryer | |
| KR100690052B1 (en) | Wet waste drying maching | |
| CN115745356A (en) | Sludge drying system and equipment utilizing waste heat of thermal power plant | |
| CN105366913B (en) | High-effective sludge dehydration drying process system | |
| CN211946757U (en) | Municipal sludge dewatering, drying and burning treatment system without adding fuel | |
| CN201458937U (en) | Rolling type sewage sludge drying machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |