CN109910158A - Utilize the method and production line of municipal sludge production lightweight assembled wallboard - Google Patents
Utilize the method and production line of municipal sludge production lightweight assembled wallboard Download PDFInfo
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- CN109910158A CN109910158A CN201811508382.3A CN201811508382A CN109910158A CN 109910158 A CN109910158 A CN 109910158A CN 201811508382 A CN201811508382 A CN 201811508382A CN 109910158 A CN109910158 A CN 109910158A
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- China
- Prior art keywords
- sludge
- wallboard
- haydite
- biogas
- anaerobic fermentation
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- 239000010802 sludge Substances 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000000855 fermentation Methods 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 239000007787 solid Substances 0.000 claims abstract description 23
- 238000001354 calcination Methods 0.000 claims abstract description 19
- 239000002918 waste heat Substances 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims abstract description 14
- 239000010440 gypsum Substances 0.000 claims abstract description 14
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 36
- 230000004151 fermentation Effects 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 12
- 239000007767 bonding agent Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000004332 deodorization Methods 0.000 claims description 3
- 230000029087 digestion Effects 0.000 claims description 3
- 238000003837 high-temperature calcination Methods 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000010801 sewage sludge Substances 0.000 abstract description 2
- 230000003009 desulfurizing effect Effects 0.000 abstract 1
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Treatment Of Sludge (AREA)
Abstract
A kind of method and production line using municipal sludge production lightweight assembled wallboard, belongs to environmental protection and the field of building materials, solves the problems, such as the resource utilization of municipal sludge.By municipal sludge deployed concentration as required, it is transported in anaerobic fermentation tank and carries out anaerobic fermentation.The biogas that anaerobic fermentation generates is dehydrated with after desulfurizing and purifying, and biogas container is transported to, the fuel as calcining haydite.Biogas residue and biogas slurry after anaerobic fermentation is after equipment for separating liquid from solid separates, and biogas slurry is for the allotment of sludge concentration and the production of assembled wallboard；Biogas residue is mixed with building spoir or riverway sludge, the raw material as calcining haydite.The haydite being sintered into is together with cement, gypsum, additive and water, for making lightweight assembled wallboard.The waste heat of calciner plant recycling is conserved for anaerobic fermentation and wallboard.The recycling for realizing municipal sludge processing, ensure that the coordinating and unifying of environment, social and economic benefit, the sewage sludge processing and comprehensive utilization suitable for big-and-middle small city.
Description
Technical field
The invention belongs to environmental protection and the field of building materials, it is directed primarily to produce lightweight assembled wallboard using municipal sludge
Method and production line.
Background technique
The sludge that municipal sewage plant generates after handling sewage, processing mode mainly have sanitary landfills, forest land or
Greening utilizes and sludge incineration.Not only innoxious degree is lower, project occupation of land amount is larger for these modes, technology reliability also one
As, and recycling degree is relatively low.And in landfill and greening treatment, the harmful substance in sludge is secondary there are also causing to environment
The possibility of pollution.Sludge incineration not only needs a large amount of energy, but also the flue gas that burning process generates also causes dirt to environment
Dye.So the processing of municipal sludge is always a problem of city management and efforts at environmental protection.
The assembled architecture embodiment that state in 2016 lives the portion's of building publication is pointed out, realizes that building assembly rate reaches to the year two thousand twenty
To 30% index.Wall is the highest building element of modern architecture weight in addition to frame structure, the production of assembled materials for wall
Industry degree will have a direct impact on the realization of this target.On the other hand, guaranteeing wall quality for the wallboard of building or building block
While, also there is light-weighted demand.Realize wallboard it is light-weighted simultaneously, production, transport can also be greatly reduced, construct and build
Build the cost of object entirety.
Summary of the invention
The object of the present invention is to provide a kind of methods and production line using municipal sludge production lightweight assembled wallboard, will
The sludge generated after processing sewage decomposes organic matter by the method for anaerobic fermentation, generates biogas and biogas residue；Biogas residue warp
It is light ceramic with mud mixed calcining after dehydration separation, the aggregate as lightweight assembled wallboard；Biogas is used as calcining haydite
And the fuel of other purposes, biogas slurry is after processing as the industrial water for producing assembled wallboard.
The present invention is achieved by the following technical solutions, and production method includes anaerobic fermentation, marsh gas purifying, solid-liquid point
From, calcining haydite and wallboard production, it is characterized in that: being transported to anaerobism hair by elevator pump after sludge formulated pond allotment concentration
In fermentation tank；Sludge after anaerobic fermentation after the biogas of generation is purified, is input in biogas container for calcining haydite；Detest
The mixture of biogas slurry and biogas residue that aerobe fermentation generates, is transported to equipment for separating liquid from solid by elevator pump and is separated by solid-liquid separation；From admittedly
The biogas residue that liquid separating apparatus is separated is granulated after being mixed evenly with building spoir or riverway sludge, is input to pottery
High-temperature calcination is carried out in grain calciner plant, forms light material haydite；Aggregate is made by light material haydite again, is filled into assembled wallboard
In mold, the bonding agent being made of cement, gypsum, additive and biogas slurry is added in the gap of aggregate, forms lightweight assembled
Wallboard.
The biogas slurry separated from equipment for separating liquid from solid, water of a part as allotment sludge, is transported to sludge preparing pool
It is mixed with sludge；Another part is purified to be transported to wallboard producing device with after deodorization, together with cement, gypsum and additive,
Raw material as wallboard bonding agent.
Biogas in the biogas container, is transported to haydite calciner plant, calcines light ceramic as fuel；Haydite is forged
A part of heat is sent to anaerobic fermentation tank by medium delivery pipe road by the waste-heat recovery device burnt on device, is sent out as sludge
The heat source of ferment, another part heat are sent to wallboard curing means, the heat source as assembled wallboard maintenance.
The zymotechnique of the anaerobic fermentation tank is wet type mesophilic digestion, and sludge TS concentration is 6~12%, fermentation temperature
It is 33~37 DEG C, the average fermentation time is 20~30 days；It is described calcining lightweight aggregate haydite ingredient ratio be, biogas residue 25%~
35%, build spoir or riverway sludge 65%~75%.
The ingredient of the assembled wallboard production raw material, including sludge lightweight aggregate haydite 65~75%, cement 12.5~
17.5%, gypsum 12.5~17.5%, the weight of water account for 55~78% and the additive that cement adds gypsum weight.
Realize with the production line of cornice sheathing production method, including sludge preparing pool, anaerobic fermentation tank, methane purifying device,
Equipment for separating liquid from solid, haydite calciner plant and wallboard producing device, it is characterized in that: the discharge port of sludge preparing pool passes through elevator pump
It is connect with the feed inlet of anaerobic fermentation tank, the discharge port of anaerobic fermentation tank is connected with scratch pool, scratch pool and equipment for separating liquid from solid
Feed inlet connection；The biogas residue outlet of equipment for separating liquid from solid is connect by belt conveyor with mixing prilling granulator, is made with mixing
The also conveying building spoir of grain device connection or the belt conveyor of riverway sludge；The discharge port of mixing prilling granulator passes through skin
It is connect with conveyer with the feed inlet of haydite calciner plant；The discharge port of haydite calciner plant passes through belt conveyor and wallboard system
Make the loading hopper connection of device.
The methane outlet of anaerobic fermentation tank is connect by pipeline with methane purifying device, and the gas outlet of methane purifying device is logical
It crosses pipeline to connect with biogas container, biogas kitchen cabinet is connect with haydite calciner plant；Waste-heat recovery device on haydite calciner plant
It is connect by pipeline with anaerobic fermentation tank and wallboard curing means；It is stored up by pipeline and biogas slurry the biogas slurry outlet of equipment for separating liquid from solid
Tank connection, the one outlet of biogas slurry storage tank are connect with sludge preparing pool, another outlet passes through pipeline and biogas slurry purification device, with
The connection of wallboard producing device.
The equipment for separating liquid from solid is plate and frame type filter-press or spiral solid-liquid separating machine；The haydite calciner plant is
Haydite calcination rotary kiln, is provided with waste-heat recovery device in the kiln body of rotary kiln, and the heat-conducting medium of waste-heat recovery device is water；
The methane purifying device is the combination of biology, chemical desulfurization device and dehydration device；The wallboard producing device includes
Haydite loading hopper, assembled wallboard mold, bonding agent mixing adding set and wallboard demoulding device.
The invention has the advantages that the sludge that municipal sewage plant generates is input to preparing pool and backflow biogas slurry tune
After concentration, the boosted anaerobic fermentation tank that is pumped into carries out anaerobic fermentation.The organic matter being difficult to be utilized in sludge is in anaerobic fermentation
The biogas generated in the process is stored in independent gas storage holder after biological desulphurization and chemical desulfurization, as haydite calcining kiln
Heat gas source or for sale.The biogas residue and biogas liquid that anaerobic fermentation generates is separated by solid-liquid separation, and the biogas residue calcining after separation is haydite,
Aggregate as lightweight assembled wallboard；Biogas slurry after separation is used for after remaining biogas slurry is purified in addition to partial reflux use
The industrial water of lightweight assembled wallboard.The waste heat of haydite calcining furnace is used to keep the fermentation temperature and lightweight dress of anaerobic fermentation tank
Maintenance with formula wallboard.Using light ceramic produce wallboard, realize wallboard it is light-weighted simultaneously, life can also be greatly reduced
It produces, the cost of transport, construction and building entirety.The weight of lightweight assembled wallboard is 580kg ∕ cubic metres, reduces 10-15%
Building overall cost.The economic value added of product is high, does not pollute the environment, and is carrying out harmless treatment to sludge
While, lightweight assembled wallboard has been produced, the energy and building materials of municipal sludge processing are realized.It ensure that
The coordinating and unifying of environment, social and economic benefit, sewage sludge processing and comprehensive utilization suitable for big-and-middle small city.
The invention reside in the level of resources utilization, protection and improvement environment is improved, sustainable development is realized.Utilize " urban ore
Production " resource is capable of forming the Circular Economy of " resource-product-waste-regenerated resources ", conscientiously transformation tradition
" resource-product-waste " linear increase mode, be the collection of circular economy " minimizing, recycling, recycling " principle
Middle embodiment.Be conducive to the implementation and industrialized implementation of national " city mineral products " and " the regeneration biological energy " strategy.
Detailed description of the invention
Fig. 1 is the schematic block diagram of production method of the invention；
Dotted line indicates that water, oily running route, heavy line indicate material running route in block diagram, and fine line indicates the operation of waste heat medium
Route, dotted line indicate that biogas running route, arrow indicate traffic direction；
Fig. 2 is the basic structure schematic diagram of production line of the invention；
1 is municipal sludge in figure；2 be sludge preparing pool；3 be anaerobic fermentation tank；4 be dehydration device of methane；5 be biogas desulfurization dress
It sets；6 be biogas container；7 be scratch pool；8 be solid-liquid separating machine；9 be torch；10 be building spoir and river sludge；11 be object
Expect mixing granulation device；12 be haydite calciner plant；13 be biogas slurry purification device；14 be wallboard producing device；15 be that wallboard is supported
Protection unit；16 be cement storage tank；17 be gypsum storage tank；18 be additive；19 be wallboard；20 be waste-heat recovery device.
Specific embodiment
Illustrate the embodiment of the present invention with reference to the accompanying drawing:
Its production method includes anaerobic fermentation, marsh gas purifying, separation of solid and liquid, calcining haydite and wallboard production；The formulated pond of sludge
After deploying concentration, it is transported in anaerobic fermentation tank by elevator pump；The biogas of sludge after anaerobic fermentation, generation is purified
Afterwards, it is input in biogas container for calcining haydite.The mixture of biogas slurry and biogas residue that anaerobic fermentation generates, it is defeated by elevator pump
Equipment for separating liquid from solid is sent to be separated by solid-liquid separation；The biogas residue separated from equipment for separating liquid from solid is become silted up with building spoir or river
Mud is granulated after being mixed evenly, and is input in haydite calciner plant and is carried out high-temperature calcination, and light material haydite is formed；Again by
Light material haydite makees aggregate, is filled into assembled wallboard mold, is added in the gap of aggregate by cement, gypsum, additive
With the bonding agent of biogas slurry composition, lightweight assembled wallboard is formed.
The biogas slurry separated from equipment for separating liquid from solid, water of a part as allotment sludge, is transported to sludge preparing pool
It is mixed with sludge；Another part is purified to be transported to wallboard producing device with after deodorization, together with cement, gypsum and additive,
Raw material as wallboard bonding agent.
Biogas in the biogas container, is transported to haydite calciner plant, calcines light ceramic as fuel；Haydite is forged
A part of heat is sent to anaerobic fermentation tank by medium delivery pipe road by the waste-heat recovery device burnt on device, is sent out as sludge
The heat source of ferment, another part heat are sent to wallboard curing means, the heat source as assembled wallboard maintenance.
The zymotechnique of the anaerobic fermentation tank is wet type mesophilic digestion, and sludge TS concentration is 8%, and fermentation temperature is 35
DEG C, the average fermentation time is 27 days；The ratio of the calcining lightweight aggregate haydite ingredient is biogas residue 30%, builds spoir or river becomes silted up
Mud 70%.
The ingredient of the assembled wallboard production raw material, including sludge lightweight aggregate haydite 70%, cement 15%, gypsum 15%,
The weight of water accounts for 65% and the additive that cement adds gypsum weight.
Realize with the production line of cornice sheathing production method, including sludge preparing pool, anaerobic fermentation tank, methane purifying device,
Equipment for separating liquid from solid, haydite calciner plant and wallboard producing device.The discharge port of sludge preparing pool 2 is sent out by elevator pump and anaerobism
The feed inlet of fermentation tank 3 connects, and the discharge port of anaerobic fermentation tank 3 is connected with scratch pool 7, scratch pool and equipment for separating liquid from solid 8 into
Material mouth connection；The biogas residue outlet of equipment for separating liquid from solid 8 is connect by belt conveyor with mixing prilling granulator 11, is granulated with mixing
The belt conveyor of also conveying building spoir or riverway sludge that device 11 connects；The discharge port of mixing prilling granulator 11 passes through
Belt conveyor is connect with the feed inlet of haydite calciner plant 12；The discharge port of haydite calciner plant 12 by belt conveyor with
The loading hopper of wallboard producing device 14 connects.
The methane outlet of anaerobic fermentation tank 3 is connect by pipeline with methane purifying device, the gas outlet of methane purifying device
It is connect by pipeline with biogas container 6 and haydite calciner plant 12；Waste-heat recovery device 20 on haydite calciner plant 12 passes through
Pipeline is connect with anaerobic fermentation tank 3 and wallboard curing means 15；It is stored up by pipeline and biogas slurry the biogas slurry outlet of equipment for separating liquid from solid 8
Tank connection, the one outlet of biogas slurry storage tank are connect with sludge preparing pool 2, another outlet passes through pipeline and biogas slurry purification device
13, it is connect with wallboard producing device 14.
The equipment for separating liquid from solid is plate and frame type filter-press or spiral solid-liquid separating machine；The haydite calciner plant 12
It is haydite calcination rotary kiln, waste-heat recovery device 20, thermally conductive Jie of waste-heat recovery device 20 is provided in the kiln body of rotary kiln
Matter is water；The methane purifying device is the combination of biology, chemical desulfurization device and dehydration device；The wallboard makes dress
Setting 14 includes haydite loading hopper, assembled wallboard mold, bonding agent mixing adding set and wallboard demoulding device.
Claims (9)
1. a kind of method using municipal sludge production lightweight assembled wallboard, including anaerobic fermentation, marsh gas purifying, solid-liquid point
From, calcining haydite and wallboard production, it is characterized in that: being transported to anaerobism hair by elevator pump after sludge formulated pond allotment concentration
In fermentation tank；Sludge after anaerobic fermentation after the biogas of generation is purified, is input in biogas container for calcining haydite；Detest
The mixture of biogas slurry and biogas residue that aerobe fermentation generates, is transported to equipment for separating liquid from solid by elevator pump and is separated by solid-liquid separation；From admittedly
The biogas residue that liquid separating apparatus is separated is granulated after being mixed evenly with building spoir or riverway sludge, is input to pottery
High-temperature calcination is carried out in grain calciner plant, forms light material haydite；Aggregate is made by light material haydite again, is filled into assembled wallboard
In mold, the bonding agent being made of cement, gypsum, additive and biogas slurry is added in the gap of aggregate, forms lightweight assembled
Wallboard.
2. the method according to claim 1 using municipal sludge production lightweight assembled wallboard, it is characterized in that: from solid-liquid
The biogas slurry that separator is separated, water of a part as allotment sludge, is transported to sludge preparing pool and mixes with sludge；It is another
Part is purified with after deodorization, wallboard producing device is transported to, together with cement, gypsum and additive, as wallboard bonding agent
Raw material.
3. the method according to claim 1 using municipal sludge production lightweight assembled wallboard, it is characterized in that: described
Biogas in biogas container is transported to haydite calciner plant, calcines light ceramic as fuel；Waste heat on haydite calciner plant
A part of heat is sent to anaerobic fermentation tank by medium delivery pipe road by recyclable device, another as the heat source of sludge fermentation
Partial heat is sent to wallboard curing means, the heat source as assembled wallboard maintenance.
4. the method according to claim 1 using municipal sludge production lightweight assembled wallboard, it is characterized in that: described
The zymotechnique of anaerobic fermentation tank is wet type mesophilic digestion, and sludge TS concentration is 6~12%, and fermentation temperature is 33~37 DEG C, average
Fermentation time is 20~30 days；The ratio of the calcining lightweight aggregate haydite ingredient is biogas residue 25%~35%, builds spoir or river
Mud 65%~75%.
5. the method according to claim 1 using municipal sludge production lightweight assembled wallboard, it is characterized in that: described
The ingredient of assembled wallboard production raw material, including sludge lightweight aggregate haydite 65~75%, cement 12.5~17.5%, gypsum 12.5~
17.5%, the weight of water accounts for 55~78% and the additive that cement adds gypsum weight.
6. the production line of the method according to claim 1 using municipal sludge production lightweight assembled wallboard, including dirt
Mud preparing pool, anaerobic fermentation tank, methane purifying device, equipment for separating liquid from solid, haydite calciner plant and wallboard producing device, it is special
Sign is: the discharge port of sludge preparing pool (2) is connect by elevator pump with the feed inlet of anaerobic fermentation tank (3), anaerobic fermentation tank (3)
Discharge port be connected with scratch pool (7), scratch pool (7) is connect with the feed inlet of equipment for separating liquid from solid (8)；Equipment for separating liquid from solid
(8) biogas residue outlet is connect by belt conveyor with mixing prilling granulator (11), and what is connect with mixing prilling granulator (11) goes back
There is the belt conveyor of conveying building spoir or riverway sludge；The discharge port of mixing prilling granulator (11) by belt conveyor with
The feed inlet of haydite calciner plant (12) connects；The discharge port of haydite calciner plant (12) is made by belt conveyor and wallboard
The loading hopper of device (14) connects.
7. production line according to claim 6, it is characterized in that: the methane outlet of anaerobic fermentation tank (3) passes through pipeline and natural pond
The gas outlet of air purifying apparatus connection, methane purifying device is connect by pipeline with biogas container (6), biogas kitchen cabinet (6) and pottery
Grain calciner plant (12) connects；Waste-heat recovery device (20) on haydite calciner plant (12) passes through pipeline and anaerobic fermentation tank
(3) it is connected with wallboard curing means (15)；The biogas slurry outlet of equipment for separating liquid from solid (8) is connect by pipeline with biogas slurry storage tank, natural pond
The one outlet of liquid storage tank is connect with sludge preparing pool (2), another outlet is by pipeline and biogas slurry purification device (13), with wall
Plate producing device (14) connection.
8. production line according to claim 6, it is characterized in that: the equipment for separating liquid from solid is plate and frame type filter-press or spiral shell
It is rotated with liquid separator；The haydite calciner plant (12) is haydite calcination rotary kiln, is provided in the kiln body of rotary kiln remaining
The heat-conducting medium of heat recovery apparatus (20), waste-heat recovery device (20) is water；The methane purifying device is biological, chemical de-
The combination of sulphur device and dehydration device.
9. production line according to claim 6, it is characterized in that: the wallboard producing device (14) includes haydite charging
Bucket, assembled wallboard mold, bonding agent mixing adding set and wallboard demoulding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508382.3A CN109910158A (en) | 2018-12-11 | 2018-12-11 | Utilize the method and production line of municipal sludge production lightweight assembled wallboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508382.3A CN109910158A (en) | 2018-12-11 | 2018-12-11 | Utilize the method and production line of municipal sludge production lightweight assembled wallboard |
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|---|---|
| CN109910158A true CN109910158A (en) | 2019-06-21 |
Family
ID=66959803
Family Applications (1)
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| CN201811508382.3A Pending CN109910158A (en) | 2018-12-11 | 2018-12-11 | Utilize the method and production line of municipal sludge production lightweight assembled wallboard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848015A (en) * | 2020-07-21 | 2020-10-30 | 蚌埠龙淮建筑科技有限公司 | Method for preparing foaming wall material by using municipal sludge |
| CN111847938A (en) * | 2020-07-06 | 2020-10-30 | 上海大学 | Method for producing environment-friendly ceramsite by utilizing biogas residue hydrothermal carbon |
| CN112960966A (en) * | 2021-03-04 | 2021-06-15 | 中电建水环境科技有限公司 | Method for preparing high-strength lightweight aggregate by using municipal sludge |
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| CN104843962A (en) * | 2015-05-18 | 2015-08-19 | 东江环保股份有限公司 | Method for preparing marsh gas and producing sintered bricks by using municipal sludge |
| CN209812707U (en) * | 2018-12-11 | 2019-12-20 | 鞍山千华环保有限公司 | Production line for producing light assembled wallboard by using municipal sludge |
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| CN111847938A (en) * | 2020-07-06 | 2020-10-30 | 上海大学 | Method for producing environment-friendly ceramsite by utilizing biogas residue hydrothermal carbon |
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