CN205917151U - Mud spray drying processing apparatus - Google Patents
Mud spray drying processing apparatus Download PDFInfo
- Publication number
- CN205917151U CN205917151U CN201620496475.9U CN201620496475U CN205917151U CN 205917151 U CN205917151 U CN 205917151U CN 201620496475 U CN201620496475 U CN 201620496475U CN 205917151 U CN205917151 U CN 205917151U
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- tower
- spray drying
- spray
- mud
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Abstract
The utility model relates to a mud spray drying processing apparatus, including changing thick liquid system, spraying and drying system, tail gas dust pelletizing system, it includes screw conveyer, changes the thick liquid pond, stores up the thick liquid pond to change the thick liquid system, spraying and drying system includes high pressure plunger pump, flow inlet way, spray gun, spray drying tower, high pressure plunger pump passes through the flow inlet way and links to each other with the spray gun, the spray drying tower is bored down by top of the tower, barrel and tower and is constituteed, the top of the tower is equipped with the hot -blast main, the hot -blast main links to each other with the hot -blast furnace, the spray gun is installed in the barrel of spray drying tower, and the baiting valve is installed to the tower bottom of awl down. The utility model discloses a mud spray drying new technology has that technology advanced person, sludge treatment are fast, advantage high, easy operation is rateed to the recycle of environmental protection and energy saving, low in production cost, tails.
Description
Technical field
This utility model is related to technical field of sludge treatment, more particularly, to a kind of mud spray drying treatment device and its place
Science and engineering skill.
Background technology
Mud refers to process the garbage of solid-state, semisolid and liquid produced by sewage, containing substantial amounts of Organic substance, rich
Nutrient, heavy metal and the pathogenic bacterium and pathogen etc. such as rich nitrogen phosphorus, if untreated any discharge and jettisoning to ring
The harm that border is caused is as follows: (1) appropriation of land；(2) contaminated soil.The harmful components that mud is banked up are assembled, wind and weather.Produce high
Temperature or other chemical reactions, can kill soil microorganism, destroy Soil structure so as to lose corrosion capacity of decomposition；(3) mud
Directly fall and warp long-pending riverbed, polluted-water；(4) atmosphere pollution, mud organic substance is decomposed by the microorganisms and discharges harmful gass, dirt
Angstrom, atmospheric pollution can be increased；(5) pathogen, mainly has intestinal bacteria, parasite and viral three major types, and major part is concentrated combination
On mud granule thing, its quantity, than the high decades of times in sewage, threatens human health.
At present, Treatment of Sludge mode has: Sludge landfill, sludge incineration, the direct brickmaking of mud, agricultural etc. after compost.Mud
Landfill has the advantages that small investment, is not required to separately add equipment, but sludge stabilization is poor, and landfill can rot generation foul smell
Body, the easy polluted underground water of the Water deep leaching in mud, and Sludge landfill cost of disposal improve year by year, floor space big.Mud
Burn investment big, sludge incineration special equipment need to be purchased, operation and maintenance cost is high, energy resource consumption is big.The direct brickmaking of mud, due to
Sludge source is unstable, and moisture content is higher to be led to brickmaking high energy consumption and burn till that quality is low, and when firing, whole process is all accompanied by evil
Odour and and malicious harmful gass.Agricultural after sludge composting, need mud is entered During High-Temperature Composting process, therefore remove after need to adding
Continuous processing equipment such as turning machine etc. is in addition it is also necessary to provide larger place.In addition sludge manure must is fulfilled for " polluting in agricultural sludge
Thing controls standard ".
Utility model content
The purpose of this utility model in order to overcome existing technical deficiency, provides that a kind of technique is advanced, processing speed is fast, ring
Protect energy-conservation, low production cost, the recovery utilization rate height of tailing, the mud spray drying treatment device of high degree of automation and its place
Science and engineering skill.
This utility model is achieved by the following technical programs:
A kind of mud spray drying treatment device, including slurrying system, spray drying system, tails dedusting system, described
Slurrying system includes conveying worm, slurrying pond, pulp storage tank, send slurry pipeline, described conveying worm and slurrying pond, pulp storage tank according to
Secondary connected, described pulp storage tank passes through to send slurry pipeline to be connected with spray drying system；Described spray drying system includes high-pressure plunger
Pump, slurry pipeline, spray gun, spray drying tower, the import of described high-pressure plunger pump is connected with the slurry pipeline that send of slurrying system, described
The outlet of high-pressure plunger pump is connected with spray gun by slurry pipeline, and described spray drying tower is formed by boring under tower top, cylinder and tower,
Described tower top is provided with warm-air pipe, and described warm-air pipe is connected with air stove, and described spray gun is arranged in the cylinder of spray drying tower, tower
The bottom of lower cone is provided with baiting valve；Described tails dedusting system include exhaust duct, cyclone dust extractor, pulsed jet cloth filter,
Main exhaust fan and spray type dust separator, described exhaust duct is arranged on the top of cone under the tower of spray drying tower, described exhaust duct with
The import of cyclone dust extractor is connected, and the outlet of described cyclone dust extractor is connected with the import of pulsed jet cloth filter, described pulse
The outlet of sack cleaner is connected with spray type dust separator through main exhaust fan.
Further, the tower top of described spray drying tower is provided with air devider, and described air devider is connected with warm-air pipe, point wind
Device separately constitutes taper vortex channel by little leaflet and big leaflet, and hot-air passes through the ring vortex passage from air devider for the warm-air pipe
Enter in tower, described spray gun is provided with nozzle, and described nozzle is hollow ascending manner spiral tube structure, and described nozzle is provided with to be cut
The spray holes in line direction.
As of the present utility model another preferably, the tower top of described spray drying tower is provided with air devider, described air devider
Be connected with warm-air pipe, air devider separately constitutes taper vortex channel by little leaflet and big leaflet, hot-air pass through warm-air pipe from point
The ring vortex passage of wind device enters in tower, and described spray gun is made up of fixed connector, flexible connection set, sealing ring, centrifugal pan,
Described fixed connector is connected with slurry pipeline, and the described set that is flexibly connected is adapted with fixed connector, and and fixed connector
Rotation, the described set that is flexibly connected is provided with sealing ring with the junction of fixed connector, and described centrifugal pan is fixed on flexible connection set
Top, described centrifugal pan periphery is uniformly provided with centrifugal spray mouth, is provided with j shape hole inside described centrifugal pan, described j shape hole one end with
Centrifugal spray mouth is connected, and the described j shape hole other end communicates with being flexibly connected set.
Further, under the tower of described spray drying tower, the bottom of cone is provided with cooler, and the outlet of described cooler sets
There is baiting valve.
Further, the cylinder of described spray drying tower is provided with two detection doors, for the work to spray drying tower
Situation carries out observing monitoring, and can enter process produced problem in spray drying tower.
Further, described main exhaust fan adopts boiler induced-draft fan, the bearing water flowing cooling of boiler induced-draft fan, boiler draft
The air inlet of machine is provided with gate valve, for negative pressure and hot blast rate in the tower of adjustable spraying drying tower.
A kind of handling process of above-mentioned mud spray drying treatment device is it is characterised in that comprise the following steps:
S1, mud send into slurrying pond through conveying worm, enter pulp storage tank, described mud is by sending slurry after stirring into mud
Pipeline enters high-pressure plunger pump；
S2, the high-pressure plunger pump spray gun in spray drying tower by slurry transportation, the mud that spray gun comes to conveying sprays
Penetrate atomization, form the mud particle spiral escalation with large surface area, simultaneously warm-air pipe through air devider from spray drying tower
Top is blown into the hot-air of spiral decline, forms inversely spiral convective drying with the mud particle of spiral escalation, is dried
Mud granule afterwards falls into spray drying tower bottom, discharges through baiting valve.
In s3, spray drying tower, the waste gas with micropowder successively enters cyclone dust extractor and bag pulse dedusting through exhaust duct
Carry out two-stage dedusting, tail gas qualified discharge in device.
As of the present utility model another preferably the spray gun in described step s2 adopts atomizer, conveying is come
Mud slurry uniform centrifugation throws away, and forms the centrifugation mud particle that parabolically moves, simultaneously warm-air pipe through air devider from spray drying
Top of tower is blown into the hot-air of spiral decline, forms turbulent drying with the centrifugation mud particle parabolically moving, after being dried
Mud granule fall into spray drying tower bottom, through baiting valve discharge.
This utility model is processed to mud using being spray-dried new technology, makes mud particle and from spray drying tower top
The hot blast that portion is blown into forms reverse convection and is dried, and extends atomization drying distance in spray drying tower for the mud granule and time.
This utility model energy consumption is low, drying effect is good, small investment, high degree of automation, pollution-free, odorless hence it is evident that better than other do
Dry form, the dewatered sludge granule being produced be suitably adapted for combustion heating, make cement, greening, landfill etc. is various recycles
Purposes.
This utility model adopt spray drying tower have inlet temperature in tower automatically control, simple to operation, tail gas
The features such as discharge meets the requirements.Whole tower is attractive in appearance, good stability, and is configured with the devices such as the lamp fenestra of hommization, maintenance door, supplies
Slurry pipeline and spray gun atomising device have the characteristics that simple to operate and easy to maintenance.
This utility model utilizes hot-air to mud spray drying pelletize, and due to being continuous work, the powder moisture content of production is steady
Fixed, good fluidity.This utility model adopts multistage superpower cyclone system and environment-friendly type bag pulse dedusting system, makes whole
Production procedure more energy-conserving and environment-protective；The recovery utilization rate of tailing is high, thus reducing production cost.
This utility model and the matching used energy saving and environment friendly hot blast of Thermal Equipment having multi items, multi-series of spray tower
Stove, according to environmental requirement, using bio-fuel heat supply.The mud granule calorific value that this utility model produces is 1700 ~ 1800cal/
Kg, can be used as spray drying tower hot blast fuel, further reducing energy consumption.
Mud granule after atomization drying for this utility model, the response rate is more than 99.9%；This utility model passes through
Cyclone dust extractor and pulsed jet cloth filter carry out two-stage dedusting, carry out Recovery Purifying to the waste gas of micropowder, to ensure discharge
Flue gas cleaning, dustless harmless, reach environment protection emission.
Brief description
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of spray gun centrifugal spray in this utility model embodiment 2.
Accompanying drawing: 1 sludge-tank, 2 conveying worms, 3 pulp storage tanks, 4 slurrying ponds, 5 send slurry pipeline, 6 high pressure
Plunger displacement pump, 7 slurry pipelines, 8 air stovees, 9 warm-air pipes, 10 spray drying towers, 11 exhaust ducts, 12 cyclone dust removals
Device, 13 pulsed jet cloth filters, 14 main exhaust fans, 15 spray type dust separators, 16 big leaflets, 17 little leaflets,
18 air deviders, 19 tower tops, 20 spray holes, 21 nozzles, 22 spray guns, 23 cylinders, bore under 24 towers, 25 blowings
Valve, 26 fixed connectors, 27 are flexibly connected set, 28 j shape holes, 29 centrifugal pans, 30 centrifugal spray mouths, 31 sealings
Ring, 32 fan blades.
Specific embodiment
Embodiment 1
Below in conjunction with the accompanying drawings this utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of mud spray drying treatment device, including slurrying system, spray drying system, tail gas
Dust pelletizing system.
Slurrying system includes conveying worm 2, slurrying pond 4, pulp storage tank 3, send slurry pipeline 5, described conveying worm 2 with change
Stock tank 4, pulp storage tank 3 are sequentially connected, and described pulp storage tank 3 passes through to send slurry pipeline 5 to be connected with spray drying system.In sludge-tank 1
Mud sends into slurrying pond 4 through conveying worm 2, becomes stream sap-shape solution through strong stirring, enter after adding water reducer and a small amount of water
Pulp storage tank 3 is got the raw materials ready.
Spray drying system includes high-pressure plunger pump 6, slurry pipeline 7, spray gun 22, spray drying tower 10.High-pressure plunger pump 6
Import slurrying system send slurry pipeline 5 be connected, the outlet of high-pressure plunger pump 6 is connected with spray gun 22 by slurry pipeline 7.Spraying
Drying tower 10 24 is made up of cone under tower top 19, cylinder 23 and tower, inwall all using heat-resistance stainless steel plate, the common thin plate of outer wall,
Whole tower body shaped steel is welded into skeleton and supports.Spray drying tower 10 inner and outer wall employs special insulation material, protects
The heat-insulating property of card tower and low energy consumption.
Tower top 19 is provided with warm-air pipe 9, and described warm-air pipe 9 is connected with air stove 8.Warm-air pipe 9 is also set with tower top 19 connecting place
There is air devider 18, described air devider 18 makes of special heat-resistance stainless steel, separately constitutes taper by little leaflet 17 and big leaflet 16
Vortex channel, hot-air enters in tower from ring vortex passage.Spray gun 22 adopts Special hard alloy material to make, and is arranged on spray
In the cylinder 23 of mist drying tower 10.Spray gun 22 is provided with nozzle 21, and described nozzle 21 is hollow ascending manner spiral tube structure, institute
State the spray holes 20 that nozzle 21 is provided with tangential direction, the aperture of described spray holes 20 is 0.5-2mm.Warm-air pipe 9 is by a point wind
The taper vortex stream of hot air that device 18 produces is uniformly distributed in whole tower, abundant with the raw material droplet inversely being sprayed by spray gun 22
Contact, mixing, high-speed rotation in tower, the holdup time in tower is longer simultaneously, makes hot blast and heat exchange in tower for the mud
More abundant, thus shortening heat time heating time, improve heat transfer efficiency.This utility model structure also solves existing pollution spraying
Device length drying time, spraying granule is little, be easily accessible dust collecting system, the response rate is low, length heat time heating time, energy consumption are big problem.
The cylinder 23 of spray drying tower 10 is provided with two detection doors, for carrying out to the working condition of spray drying tower 10
Observe monitoring, and process produced problem in spray drying tower 10 can be entered.The top peace of cone 24 under the tower of spray drying tower 10
Equipped with exhaust duct 11, it is connected with cyclone dust extractor 12, pipe is provided with thermocouple and the detection pipe inner exhaust gas of detection temperature of outgoing air
The depressimeter of pressure.Under tower, the bottom of cone 24 is provided with the cooler of cooling mud granule, and the outlet of described cooler is provided with puts
Material valve 25, can control rate of cooling by adjusting the regulating valve of cooler, the mud granule after cooling is released through baiting valve 25.
Tails dedusting system includes exhaust duct 11, cyclone dust extractor 12, pulsed jet cloth filter 13, main exhaust fan 14 and spray
Pouring formula cleaner unit 15, described exhaust duct 11 is arranged on the top of cone 24 under the tower of spray drying tower 10, described exhaust duct 11 and rotation
The import of wind cleaner unit 12 is connected, and cyclone dust extractor 12 bottom is furnished with aggregate bin.The outlet of described cyclone dust extractor 12 and pulse
The import of sack cleaner 13 is connected, and the outlet of described pulsed jet cloth filter 13 is through main exhaust fan 14 and spray type dust separator 15
It is connected.Main exhaust fan 14 adopts boiler induced-draft fan, the bearing water flowing cooling of boiler induced-draft fan, and the air inlet of boiler induced-draft fan is provided with
Gate valve, for negative pressure and hot blast rate in the tower of adjustable spraying drying tower 10.Before cyclone system is arranged on main exhaust fan 14, lead to
After the system of mistake carries out dedusting, can remove more than the 99% of spray tower total discharge dirt, protect blower fan, it is to avoid dust has entered blower fan
And wear and tear.
A kind of handling process of above-mentioned mud spray drying treatment device, comprises the following steps:
S1, mud send into slurrying pond 4 through conveying worm 2, enter pulp storage tank 3, described mud passes through after stirring into mud
Slurry pipeline 5 is sent to enter high-pressure plunger pump 6；
S2, high-pressure plunger pump 6 spray gun 22 in spray drying tower 10 by slurry transportation, the mud that spray gun 22 comes to conveying
Carry out jet atomization, form the mud particle spiral escalation with large surface area, simultaneously warm-air pipe 9 through air devider 18 from spray
Mist drying tower 10 top is blown into the hot-air of spiral decline, forms inversely spiral convection current with the mud particle of spiral escalation
It is dried, dried mud granule falls into spray drying tower 10 bottom, discharges through baiting valve 25.
In s3, spray drying tower 10, the waste gas with micropowder successively enters cyclone dust extractor 12 and pulse cloth through exhaust duct 11
Carry out two-stage dedusting, tail gas qualified discharge in bag dust collector 13.
Embodiment 2
As shown in figure 3, a kind of mud spray drying treatment device, including slurrying system, spray drying system, tails dedusting
System.Its slurrying system, spray drying system, tails dedusting system basic structure all same as Example 1, its difference
It is:
Described spray gun 22 is made up of fixed connector 26, flexible connection set 27, sealing ring 31, centrifugal pan 29, described fixation
Union joint 26 is connected with slurry pipeline 7, and the described set that is flexibly connected 27 is adapted with fixed connector 26, and with fixed connector 26
Rotation, the described set 27 that is flexibly connected is provided with sealing ring 31 with the junction of fixed connector 26, and described centrifugal pan 29 is fixed on work
Be dynamically connected set 27 tops, and described centrifugal pan 29 periphery is uniformly provided with centrifugal spray mouth 30, is provided with j shape hole inside described centrifugal pan 29
28, described j shape hole 28 one end is connected with centrifugal spray mouth 30, and described j shape hole 28 other end communicates with being flexibly connected set 27.Centrifugation
The top of disk 29 is provided with some fan blades 32, and described fan blade 32 is distributed on centrifugal pan 29 upper surface in 360 degree, when air devider 18 is from spray
When mist drying tower 10 top is blown into the hot-air of spiral decline, promote the fan blade 32 on centrifugal pan 29 to rotate, accelerate centrifugation spray
Mist.This utility model adopts the centrifugation recoil active force in j shape hole 28 and the spiral motive force to fan blade 32 for the stream of hot air,
Common promotion, more preferably, spray gun 22 and centrifugal pan 29 are not easily blocked centrifugal spray effect, and do not need extra power, less energy consumption,
Solve the problems, such as that existing sprayer unit pipeline easily blocks, centrifugal spray effect is poor, length heat time heating time, energy consumption are big.
A kind of handling process of above-mentioned mud spray drying treatment device, comprises the following steps:
S1, mud send into slurrying pond 4 through conveying worm 2, enter pulp storage tank 3, described mud passes through after stirring into mud
Slurry pipeline 5 is sent to enter high-pressure plunger pump 6.
S2, high-pressure plunger pump 6 spray gun 22 in spray drying tower 10 by slurry transportation, described spray gun 22 adopts centrifugal
Spraying, the mud slurry uniform centrifugation that conveying is come throws away, and forms the centrifugation mud particle parabolically moving, warm-air pipe 9 warp simultaneously
Air devider 18 is blown into the hot-air of spiral decline from spray drying tower 10 top, with the centrifugation mud particle parabolically moving
Form turbulent flow to be dried, dried mud granule falls into spray drying tower 10 bottom, discharges through baiting valve 25.
In s3, spray drying tower 10, the waste gas with micropowder successively enters cyclone dust extractor 12 and pulse cloth through exhaust duct 11
Carry out two-stage dedusting, tail gas qualified discharge in bag dust collector 13.
It is pointed out that this utility model is not limited to above-mentioned embodiment, any those skilled in the art
Any simple modification in based on technical solutions of the utility model, above-described embodiment made, combination application, equivalent variations with
Modify, belong in protection domain of the present utility model.
Claims (6)
1. a kind of mud spray drying treatment device it is characterised in that: it includes slurrying system, spray drying system, tail gas remove
Dirt system, described slurrying system includes conveying worm, slurrying pond, pulp storage tank, send slurry pipeline, described conveying worm and slurrying
Pond, pulp storage tank are sequentially connected, and described pulp storage tank passes through to send slurry pipeline to be connected with spray drying system；Described spray drying system bag
Include high-pressure plunger pump, slurry pipeline, spray gun, spray drying tower, the import of described high-pressure plunger pump send slurry pipe with slurrying system
Road be connected, the outlet of described high-pressure plunger pump is connected with spray gun by slurry pipeline, described spray drying tower by tower top, cylinder and
Cone composition under tower, described tower top is provided with warm-air pipe, and described warm-air pipe is connected with air stove, and described spray gun is arranged on spray drying tower
Cylinder in, under tower cone bottom baiting valve is installed；Described tails dedusting system includes exhaust duct, cyclone dust extractor, pulse
Sack cleaner, main exhaust fan and spray type dust separator, described exhaust duct is arranged on the top bore under the tower of spray drying tower, institute
State exhaust duct to be connected with the import of cyclone dust extractor, the import phase of the outlet of described cyclone dust extractor and pulsed jet cloth filter
Even, the outlet of described pulsed jet cloth filter is connected with spray type dust separator through main exhaust fan.
2. a kind of mud spray drying treatment device according to claim 1 it is characterised in that: described spray drying tower
Tower top is provided with air devider, and described air devider is connected with warm-air pipe, and air devider separately constitutes taper rotation by little leaflet and big leaflet
Whirlpool passage, hot-air passes through warm-air pipe and enters in tower from the ring vortex passage of air devider, and described spray gun is provided with nozzle, described
Nozzle is hollow ascending manner spiral tube structure, and described nozzle is provided with the spray holes of tangential direction.
3. a kind of mud spray drying treatment device according to claim 1 it is characterised in that: described spray drying tower
Tower top is provided with air devider, and described air devider is connected with warm-air pipe, and air devider separately constitutes taper rotation by little leaflet and big leaflet
Whirlpool passage, hot-air passes through warm-air pipe and enters in tower from the ring vortex passage of air devider, and described spray gun is by fixed connector, work
Be dynamically connected set, sealing ring, centrifugal pan composition, and described fixed connector is connected with slurry pipeline, and described flexible connection covers and fix
Union joint is adapted, and rotates with fixed connector, and the described set that is flexibly connected is provided with sealing ring with the junction of fixed connector,
Described centrifugal pan is fixed on flexible connection set top, and described centrifugal pan periphery is uniformly provided with centrifugal spray mouth, in described centrifugal pan
Portion is provided with j shape hole, and described j shape hole one end is connected with centrifugal spray mouth, and the described j shape hole other end is communicated with slurry pipeline.
4. a kind of mud spray drying treatment device according to claim 1 it is characterised in that: described spray drying tower
Under tower, the bottom of cone is provided with cooler, and the outlet of described cooler is provided with baiting valve.
5. a kind of mud spray drying treatment device according to any one of claim 1-3 it is characterised in that: described spraying
The cylinder of drying tower is provided with two detection doors, for carrying out to the working condition of spray drying tower observing monitoring, and can enter
Produced problem is processed in spray drying tower.
6. a kind of mud spray drying treatment device according to claim 1 it is characterised in that: described main exhaust fan adopts
Boiler induced-draft fan, the bearing water flowing cooling of boiler induced-draft fan, the air inlet of boiler induced-draft fan is provided with gate valve, does for adjustable spraying
Negative pressure and hot blast rate in the tower of dry tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496475.9U CN205917151U (en) | 2016-05-29 | 2016-05-29 | Mud spray drying processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496475.9U CN205917151U (en) | 2016-05-29 | 2016-05-29 | Mud spray drying processing apparatus |
Publications (1)
| Publication Number | Publication Date |
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| CN205917151U true CN205917151U (en) | 2017-02-01 |
Family
ID=57876476
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620496475.9U Expired - Fee Related CN205917151U (en) | 2016-05-29 | 2016-05-29 | Mud spray drying processing apparatus |
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| CN (1) | CN205917151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837001A (en) * | 2016-05-29 | 2016-08-10 | 钟新颖 | Sludge spraying drying treatment device and treatment process thereof |
| CN109233348A (en) * | 2018-08-31 | 2019-01-18 | 茂名市兴煌化工有限公司 | A kind of nanoclay production equipment with suspension calcining and functions/drying |
| CN111285577A (en) * | 2020-03-30 | 2020-06-16 | 西安热工研究院有限公司 | Totally-enclosed sludge slurrying spraying system and method |
-
2016
- 2016-05-29 CN CN201620496475.9U patent/CN205917151U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837001A (en) * | 2016-05-29 | 2016-08-10 | 钟新颖 | Sludge spraying drying treatment device and treatment process thereof |
| CN109233348A (en) * | 2018-08-31 | 2019-01-18 | 茂名市兴煌化工有限公司 | A kind of nanoclay production equipment with suspension calcining and functions/drying |
| CN111285577A (en) * | 2020-03-30 | 2020-06-16 | 西安热工研究院有限公司 | Totally-enclosed sludge slurrying spraying system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |