CN207958085U - The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit - Google Patents

The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit Download PDF

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Publication number
CN207958085U
CN207958085U CN201720966462.8U CN201720966462U CN207958085U CN 207958085 U CN207958085 U CN 207958085U CN 201720966462 U CN201720966462 U CN 201720966462U CN 207958085 U CN207958085 U CN 207958085U
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conveyer belt
silo
underground
totally
industrial sludge
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刘晓军
耿飞
季天
季天一
桂敬能
鲍立毅
周利睿
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

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Abstract

The utility model discloses totally-enclosed storage and the pretreatment unit of a kind of cement kiln synergic processing industrial sludge, the outlet end of pump is connected with grinder feeding end, the discharge end of pulverizer is connected with underground silo, the feed end of fine stone concrete pump stretches in the silo of underground, the discharge end of fine stone concrete pump stretches in the top of the first conveyer belt, heat preservation reciprocating sieve is placed in the top of the first conveyer belt, the delivery end of first conveyer belt is located above the feed inlet of agitator, roller turn is connected to the discharge outlet of agitator, second conveyer belt is located at the lower section of roller, air exhauster is connected with energetic ion generator, and the gas in the silo of underground is sent to carrying out deodorization in high energy ion generator.The utility model using effect is good, the moisture in industrial sludge can effectively be consumed and increase calcium content, the effective deodorization degerming of heat that simultaneous reactions are released effectively solves the problems, such as closed storage and the antiseep of industrial sludge, underground silo can build stone pit in, avoid waste cultivated land resource.

Description

The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit
Technical field:
The utility model is related to a kind of totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment units.
Background technology:
Industrial sludge refers to the dirty gunk that industrial wastewater generates after harm reductionization processing, and ingredient is complex, more Number belong to dangerous solid waste, it is necessary to dealt carefully with, caused by pollution effect be far longer than general solid waste. Currently, commonly processing or disposal options mainly have sanitary landfills, fill out sea, compost and burn 4 kinds of modes sludge.Wherein, hygienic Landfill needs long-term occupancy large amount of land resources, violates the scientific idea of sustainable development, can usually be oozed because of harmful ion Leak and pollute the ecological environment on landfill yard periphery;It throws sea processing and is mainly used in territorial waters country, chosen distance and depth in ocean The suitable seabed of degree, by the closed landfill of sludge, but it only converts land pollution to marine pollution.Select suitable sludge It carries out that after compost treatment soil constituent structure can be effectively improved, increase the wherein content of organic matter, the fertility of raising soil, still Objectionable impurities ion and contents of heavy metal elements are higher in industrial sludge, and food chain is entered once be absorbed by plants and is recycled, meeting The health of the high risks mankind and other biological.Burning method is widely used in the processing of solid waste at present, can be with maximum limit The realization of degree is innoxious, minimizing processing, processing method is fairly simple, but cost of disposal is very high, and industrial sludge contains Water is larger, and generally 80% or so, calorific value is relatively low nonflammable, often results in larger calorific value waste.
Since main mineral constituent is identical as the main component of cement in industrial sludge, and cement raw material is needed through excessively high Clinker could be generated after temperature calcining, therefore the technology that a part of raw material cement baking is more satisfactory is substituted with industrial sludge Measure makes sludge be utilized in cement production process as the form of secondary raw material or secondary fuel, to reduce waste material With the generation and discharge of pollutant, environmental pollution is avoided, realizes the polyoptimal of economy and environmental benefit.
Industrial sludge disposition amount is big, and is often associated with stench, therefore storage problem pushes cement kiln to assist at cement plant With the key of disposition industrial sludge, and how storage takes after containing Ground arrangement, storage, waste liquid leakage ensures and pre- The technical barriers such as Disposal Measures.
Utility model content:
The utility model is to provide a kind of cement kiln synergic processing work to solve the above-mentioned problems of the prior art The totally-enclosed storage of industry sludge and pretreatment unit.
The utility model adopts the following technical solution:The totally-enclosed storage of a kind of cement kiln synergic processing industrial sludge and pre- Processing unit, including pump, pulverizer, underground silo, fine stone concrete pump, the first conveyer belt, heat preservation reciprocating sieve, roller, second Conveyer belt, air exhauster, heat transmitter, sludge treating agent conveyer belt, energetic ion generator and stirring equipped with agitating shaft and roller Bucket is mixed, the outlet end of the pump is connected with grinder feeding end, and the discharge end of pulverizer is connected with underground silo, microlith coagulation The feed end of soil pump stretches in the silo of underground, and the discharge end of fine stone concrete pump stretches in the top of the first conveyer belt, heat preservation vibrations Sieve is placed in the top of the first conveyer belt, and sludge treating agent conveyer belt is connected by heat transmitter with heat preservation reciprocating sieve, and reciprocating sieve is kept the temperature It is placed in the top of the first conveyer belt, the delivery end of the first conveyer belt is located above the feed inlet of agitator, and roller turn is connected to The discharge outlet of agitator, the second conveyer belt are located at the lower section of roller, and air exhauster is connected with energetic ion generator, and by underground Gas in silo is sent to carrying out deodorization in high energy ion generator.
Further, the underground silo is made of armored concrete, and underground silo includes Nei Cang and outer storehouse, interior storehouse and Gap of drawing water is equipped between outer storehouse, gap top seal of drawing water is equipped with semicircle duct, underground cylinder in the bottom sidewall of underground silo Storehouse is connected by the semicircle duct with gap of drawing water, the galvanized steel strap of package 5mm thickness outside outer storehouse, galvanized steel strap surface every Piece presstressed reinforcing steel of 1.2m tensioning.
Further, the underground silo is closed structure, and in underground, the top of silo is equipped with access hole and plus tap.
Further, water-level gauge is equipped in the gap of drawing water, the outside of silo is equipped with suction pump in underground, suction pump Liquid feeding end, which stretches in, to draw water in gap.
Further, it is equipped with connecting rod in the underground silo, vibrations annulus is equipped in connecting rod, shakes and connects on annulus Connect vibrator.
Further, it is equipped with pressure sensor on the connecting rod and vibrations annulus.
Further, the pump line in the fine stone concrete pump and sludge treating agent conveyer belt pass through the tail in cement kiln Gas heat transfer unit (HTU) heats.
Further, be equipped in the agitator two can high-speed rotating agitating shaft, be equipped on two agitating shafts mutual Staggered shearing piece.
Further, the top of delivery end is equipped with discharging plectrum on the right side of first conveyer belt, and first conveyer belt is right The connection agitator directly below at side discharge end.
Further, the sludge treating agent ingredient conveyed on the sludge treating agent conveyer belt includes:Pulverized limestone 68- 88%, polyacrylamide 0.5-3%, aluminum sulfate 0.5-3%, bodied ferric sulfate 0.5-3%, magnesia 0.5-3%, stalk or wood Consider powder 10-20% to be worth doing.
The utility model has the advantages that:The closed storage of industrial sludge of the utility model effective solution and Antiseep problem, underground silo can build stone pit in, avoid waste cultivated land resource, the movable annulus that shakes is according to sludge amount of storage Free up and down adjustment, liquefy surface layer sludge always, takes sludge under sealed environment under the power for spending very little;Up and down Layer covering quick lime can effectively consume the moisture in industrial sludge and increase calcium content, and the heat that simultaneous reactions are released is effective Deodorization degerming, the mixture after initial reaction scrapes by discharging plectrum in blender, and the process fallen fully is hit by agitating shaft Broken mixing, and drop down onto on the opposite roller rotated, it is further uniformly mixed and is reacted by achieving the effect that after roller compression.
Description of the drawings:
Fig. 1 is the utility model structure chart.
Specific implementation mode:
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, the utility model discloses a kind of totally-enclosed storage of cement kiln synergic processing industrial sludge and pre- place Manage device, including pump 1, pulverizer 2, underground silo 3, fine stone concrete pump 5, the first conveyer belt 6, heat preservation reciprocating sieve 7, roller 10, the second conveyer belt 11, air exhauster 12, heat transmitter 17, sludge treating agent conveyer belt 71, energetic ion generator and equipped with stirring The agitator of axis 9 and roller 10, it is described pump 1 outlet end be connected with 2 feed end of pulverizer, the discharge end of pulverizer 2 and Underground silo 3 is connected, and the feed end of fine stone concrete pump 5 stretches in underground silo 3, and the discharge end of fine stone concrete pump 5 stretches in The top of first conveyer belt 6, heat preservation reciprocating sieve 7 are placed in the top of the first conveyer belt 6, and sludge treating agent conveyer belt 71 passes through biography Hot device 17 is connected with heat preservation reciprocating sieve 7, and heat preservation reciprocating sieve 7 is placed in the top of the first conveyer belt 6, the delivery end of the first conveyer belt 6 Above the feed inlet of agitator, roller 10 is rotatably connected on the discharge outlet of agitator, and the second conveyer belt 11 is located at roller 10 lower section, air exhauster 12 are connected with energetic ion generator, and the gas in underground silo 3 is sent to high energy ion generator Interior carry out deodorization.
Underground silo 3 includes interior storehouse 32 and outer storehouse 31, and gap 30 of drawing water, gap 30 of drawing water are equipped between interior storehouse 32 and outer storehouse 31 Top seal is equipped with semicircle duct in the bottom sidewall of underground silo 3, and underground silo 3 is by the semicircle duct and between drawing water Gap 30 connects, and interior storehouse 32 is a diameter of 8m, is highly 20m, and agent structure is 300mm thickness armored concrete, concrete impervious Grade is P12.32 inside of interior storehouse rolls 5mm thickness galvanized steel straps, and galvanized steel strap surface is every piece presstressed reinforcing steel of 1.2m tensioning, in advance Stress rib with initial tensioning force 800kN and 50kN often across speed be sequentially increased from the top down, presstressed reinforcing steel is resisted by 25mm thickness Ooze mortar protection.
Underground silo 3 is closed structure, and in underground, the top of silo 3 is equipped with access hole 14 and plus tap 15.
It leaks in order to prevent, outer storehouse 31,31 agent structure concrete of outer storehouse arrangement and interior storehouse 32 1 is arranged in underground silo 3 Sample, the galvanized steel strap of 31 outside package 5mm thickness of outer storehouse.The gap 30 of drawing water that 1m wide is stayed between interior storehouse 32 and outer storehouse 31, between drawing water 30 top sealing of gap, water level controller and suction pump 16 are arranged in bottom.Water will converge in drawing water for 1m wide if occurring to leak In gap 30, water level will increase in advance if further leakage, and excitation automatic water pump 16 will give up after reaching water level controller Water is taken away, if leakage is serious, can go into the well inspection and leak stopping.
The base foundation form of underground silo 3 is Beam-slab raft foundation, among girt strip with the bottom of contacts baseplate there are The semicircle duct of diameter 50mm, the prefabricated pile bearing in bottom plate lower section, underground silo 3 pass through the semicircle duct and gap 30 of drawing water It connects.
From the connecting rod 13 for arranging two a diameter of 80mm at barrel 4m inside underground silo 3,13 inside of connecting rod is whole It arranges pressure sensor, the amount of storage of internal sludge is may determine that according to the pressure transmitted in connecting rod 13, motor is used in combination to lift Driving device is connect with the vibrations annulus 4 of a diameter of 40mm, and vibrations annulus 4 connects vibrator, according to the pressure cloth in connecting rod Vibrations annulus position can equally be perceived by setting, and vibrations annulus 4 shakes also arranges pressure sensor inside ring.Circle after startup vibrator Ring can be shaken with the frequency of 50Hz or more.Vibrations annulus 4 is made of corrosion resisting alloy.
The upper surface location of sludge is judged according to the pressure sensor variation in connecting rod 13, the region of pressure change is The surface of sludge storage starts vibrations annulus 4 and submerges 100mm or so in sludge, opens vibrations annulus 4 and sludge liquefies, according to The pressure size transmitted on vibrations annulus 4 judges whether to liquefy, if pressure change is also very much moisture content greatly after vibrations a period of time Small, cannot liquefy sludge, then add appropriate water-reducing agent with dosing tap, quantitative to add, each 500g.Until vibrations annulus 4 shakes Pressure change less then thinks that sludge has liquefied after a period of time, and the sludge after liquefaction is extracted out with fine stone concrete pump 5.
Pump line in the utility model in fine stone concrete pump 5 adds with sludge treating agent conveyer belt 71 by high temperature heat transfer device Heat, sludge treating agent drape material on the first conveyer belt 6 are dialled in the top of 6 right side delivery end of the first conveyer belt equipped with discharging The lower section of piece 8,6 right side delivery end of the first conveyer belt connects agitator.
Be equipped in agitator two can high-speed rotating agitating shaft 9, the shearing to intermesh is equipped on two agitating shafts 9 Piece.
Thailand's PE400*600 pulverizers during pulverizer 2 uses.It is with pulverizer 2 that grain size in industrial sludge is larger before storage Particle and foreign organic matter are fully broken, and bulky grain is deposited on silo bottom during preventing storage, influences the lasting use of silo.
In use, sludge sealing is transported to behind cement plant is pumped into pulverizer 2 with pump 1, pulverizer 2 is by bulky grain and organic miscellaneous Object is sent after being crushed to 0.8mm or less to storage in underground silo 3, and underground silo 3 is interior to be equipped with pressure sensor, when internal pressure is big When 3MPa, gas is sent to high energy ion generating device and carries out deodorization by air exhauster 12.When needing cooperative disposal, vibrations circle is started Ring 4 liquefies sludge, and fine stone concrete pump 5 is used in combination to be evacuated on the first conveyer belt 6.Sludge is with 0.8m3The speed of/h is simultaneously heated It is pumped after to 100 DEG C or more to the first conveyer belt 6, sludge treating agent conveyer belt 71 and heat preservation reciprocating sieve 7 are with 2m3/ h's Speed sieve takes 100 DEG C or more of sludge treating agent powder to be covered in Sludge Surface, and sludge is reacted by the sludge treating agent covering of 30s Afterwards by 8 hanging fascia of discharging plectrum of 6 right side delivery end of the first conveyer belt to agitator, there are two high-speed rotating stirrings in agitator Axis 9 has the shearing piece to cross one another on agitating shaft 9.It fully smashes and mixes via the stirring blade on the agitating shaft of 20 turns/s Uniformly, it is fallen after on the roller 10 rotated with 0.5 turn/s opposite directions, further mixing is equal for the high temperature batch mixing after roller compression Even and fully squeeze out moisture and react or evaporate with sludge treating agent, fully the material after reaction is defeated by its by the second conveyer belt 11 It send to cement ingredient room.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as The scope of protection of the utility model.

Claims (8)

1. totally-enclosed storage and the pretreatment unit of a kind of cement kiln synergic processing industrial sludge, it is characterised in that:Including pump (1), pulverizer (2), underground silo (3), fine stone concrete pump (5), the first conveyer belt (6), heat preservation reciprocating sieve (7), roller (10), the second conveyer belt (11), air exhauster (12), heat transmitter (17), sludge treating agent conveyer belt (71), energetic ion generator It is connected with pulverizer (2) feed end with the outlet end of the agitator equipped with agitating shaft (9) and roller (10), the pump (1), The discharge end of pulverizer (2) is connected with underground silo (3), and the feed end of fine stone concrete pump (5) stretches in underground silo (3), The discharge end of fine stone concrete pump (5) stretches in the top of the first conveyer belt (6), and heat preservation reciprocating sieve (7) is placed in the first conveyer belt (6) Top, sludge treating agent conveyer belt (71) by heat transmitter (17) with heat preservation reciprocating sieve (7) be connected, keep the temperature reciprocating sieve (7) set The delivery end of top in the first conveyer belt (6), the first conveyer belt (6) is located above the feed inlet of agitator, and roller (10) turns The dynamic discharge outlet for being connected to agitator, the second conveyer belt (11) be located at the lower section of roller (10), air exhauster (12) and high energy from Electronic generator is connected, and the gas in underground silo (3) is sent to carrying out deodorization in high energy ion generator.
2. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as described in claim 1, feature It is:The underground silo (3) is made of armored concrete, and underground silo (3) includes interior storehouse (32) and outer storehouse (31), interior storehouse (32) gap (30) of drawing water, gap of drawing water (30) top seal, the bottom sidewall of silo (3) in underground are equipped between outer storehouse (31) It is equipped with semicircle duct, underground silo (3) is connected by the semicircle duct and gap of drawing water (30), package outside outer storehouse (31) The galvanized steel strap of 5mm thickness, galvanized steel strap surface is every piece presstressed reinforcing steel of 1.2m tensioning.
3. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as claimed in claim 2, feature It is:The underground silo (3) is closed structure, and in underground, the top of silo (3) is equipped with access hole (14) and adds tap (15)。
4. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as claimed in claim 3, feature It is:Water-level gauge is equipped in the gap of drawing water (30), the outside of silo (3) is equipped with suction pump (16), suction pump in underground (16) liquid feeding end stretches in gap of drawing water (30).
5. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as described in claim 1, feature It is:It is equipped with connecting rod (13) in the underground silo (3), vibrations annulus (4) is equipped in connecting rod (13), shakes annulus (4) vibrator is connected on.
6. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as claimed in claim 5, feature It is:It is equipped with pressure sensor on the connecting rod (13) and vibrations annulus (4).
7. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as described in claim 1, feature It is:Be equipped in the agitator two can high-speed rotating agitating shaft (9), be equipped with and intermesh on two agitating shafts (9) Shearing piece.
8. totally-enclosed storage and the pretreatment unit of cement kiln synergic processing industrial sludge as described in claim 1, feature It is:The top of delivery end is equipped with discharging plectrum (8) on the right side of first conveyer belt (6), is unloaded on the right side of first conveyer belt (6) Expect the connection agitator directly below at end.
CN201720966462.8U 2017-08-04 2017-08-04 The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit Active CN207958085U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107337329A (en) * 2017-08-04 2017-11-10 南京航空航天大学 The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107337329A (en) * 2017-08-04 2017-11-10 南京航空航天大学 The totally-enclosed storage of cement kiln synergic processing industrial sludge and pretreatment unit
CN107337329B (en) * 2017-08-04 2023-11-07 南京航空航天大学 Fully-closed storage and pretreatment device for cooperatively disposing industrial sludge by cement kiln

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