CN104136382A - Sludge treatment facility - Google Patents
Sludge treatment facility Download PDFInfo
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- CN104136382A CN104136382A CN201380011151.0A CN201380011151A CN104136382A CN 104136382 A CN104136382 A CN 104136382A CN 201380011151 A CN201380011151 A CN 201380011151A CN 104136382 A CN104136382 A CN 104136382A
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- China
- Prior art keywords
- sludge
- sewage
- water
- bin
- pipe
- 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.)
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- 239000010802 sludge Substances 0.000 title claims abstract description 267
- 238000011282 treatment Methods 0.000 title claims abstract description 51
- 239000010865 sewage Substances 0.000 claims abstract description 219
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 168
- 239000007921 spray Substances 0.000 claims abstract description 34
- 239000004568 cement Substances 0.000 claims abstract description 33
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 18
- 230000004087 circulation Effects 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 6
- 230000008014 freezing Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000032258 transport Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 23
- 239000002994 raw material Substances 0.000 description 15
- 239000010801 sewage sludge Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 210000002683 foot Anatomy 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007799 cork Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
Provided is sludge treatment facility that can spray contaminated water evenly in water-containing sludge that has been deposited in a sludge hopper. This sludge treatment facility (1) is provided with a contaminated water recovery mechanism (4) which comprises: a contaminated water recovery tank (3) for recovering contaminated water (6) resulting from cleaning either a sludge hopper (2) that stores water-containing sludge (5) transported from a sewage treatment plant by truck (8) or pipes in the sludge treatment facility (1); and a contaminated water return pipe (7) that transports the water from the contaminated water recovery tank (3) to the sludge hopper (2). The water-containing sludge (5) that is stored in the sludge hopper (2) is treated by a cement manufacturing process (13). A water spraying unit (7a) on the sludge hopper (2) side of the contaminated water return pipe (7) is disposed above the dropping position for the water-containing sludge (5) into the sludge hopper (2) from the truck (8) such that the contaminated water (6) is sprayed onto the peak (5a) of the water-containing sludge (5) that has collected within the sludge hopper (2).
Description
Technical field
The present invention relates to a kind of sewage sludge of discharging for Jiang Cong sewage work etc. and put into the sludge treatment device that cement kiln is realized cement raw material.
The application is based on advocating right of priority No. 2012-042786 in the Japanese publication of Japanese publication on February 29th, 2012, and its content is applied to this.
Background technology
In recent years, the sludge treatment as the sewage sludge of discharging from sewage work etc., has proposed to realize the technology of cement raw material by directly injecting Sewage mud cake to Cement clinker buring stove, and has made this technical application.This technology is the sewage dewatering sludge (water-containing sludge) of moisture 80% left and right by moving into processed by truck (lorry) etc., and directly put in the cement kiln as Cement clinker buring stove with pressure pump, by heat, thereby make moisture and combustiblecomponents evaporate and burn, make the ash of mineral-type composition and cement raw material together sinter the grog as cement semi-finished product into.
This treatment technology, owing to realizing cement raw material by the ash of the mineral-type composition in described sewage dewatering sludge being used as to a part for raw clay, does not therefore generate secondary waste thing completely.Therefore, this cement raw material technology can be described as the treatment technology of excellence aspect environmental protection.
And, this treatment technology has for example proposed a kind of sludge treatment device in following patent documentation 1, this sludge treatment device possesses sewage recovering mechanism, described sewage recovering mechanism reclaims the sewage when pipe arrangement that stores the sludge bin of water-containing sludge or be connected with sludge bin is cleaned and is recycled to sludge bin, and this sewage recovering mechanism possesses: the sewage withdrawing can that reclaims and store described sewage; The sewage loopback pipe that connects this sewage withdrawing can and described sludge bin; And be arranged at this sewage loopback pipe and the sewage in described sewage withdrawing can be recycled to the sewage loopback pump of described sludge bin, described sludge treatment device is put into the described water-containing sludge being stored in described sludge bin in rotary kiln and processes.
In described sludge treatment device in the past, the described water-containing sludge coming from sewage work's carrying by truck is stored in as the sludge bin of hold-up vessel, from this sludge bin, via described mud ingress pipe, by pressure pump, be transferred to the kiln tail of described rotary kiln.
But, by truck, described water-containing sludge is dropped in described sludge bin and while storing, as shown in Figure 5, due to the input port 9 from a side of sludge bin 2 all the time, drop into, therefore cannot in this sludge bin 2, store equably water-containing sludge 5 and cause being deposited in a described side.Now, in sludge treatment device in the past, there is following problem: because the spray section 7a of the sewage loopback pipe 7 from described sewage withdrawing can to sludge bin 2 loopback sewage 6 is configured in the contrary opposite side of the described side of input port 9 of water-containing sludge 5 with as being loaded into truck 8 of sludge bin 2, therefore sewage 6 does not mix with water-containing sludge 5, cause only having sewage 6 to accumulate in this opposite side, when water-containing sludge 5 is put in described rotary kiln, the water content of this water-containing sludge 5 produces deviation, when water content increases, cause the burden of this rotary kiln to increase.
And, in the winter time or when cold district is used, also there is following problem: the sewage 6 in described sewage withdrawing can freezes, described sewage withdrawing can and by this sewage 6 be recycled to described sewage loopback pump in sludge bin 2 and described sewage loopback pipe etc. likely because of described sewage freeze damaged.
And, the pipe arrangement that utilizes rinse water routine cleaning sludge bin 2 and be connected with sludge bin 2, and suitably carry out this cleaning.The sewage 6 of the rinse water now producing is recycled to sludge bin 2 via described sewage recovering mechanism, puts into afterwards in described rotary kiln and processes.But, because the truck 8 from sewage work's carrying water-containing sludge 5 is after putting in sludge bin 2 by this water-containing sludge 5, directly output described sludge treatment device, therefore there are water-containing sludge 5 dryings of the goods platform 8a that residues in truck 8 and be adhered to this goods platform 8a, or while cleaning goods platform 8a in other places, need to carry out in addition the problem of this sewage disposal and so on.
Patent documentation
Patent documentation 1: TOHKEMY 2002-224692 publication communique (A)
Summary of the invention
The present invention In view of the foregoing completes, its problem be to provide a kind of can be to the sludge treatment device that is deposited in water-containing sludge in sludge bin and sprays equably sewage.
In order to solve described problem, the present application has mode shown below.
(1) a kind of sludge treatment device, it possesses the sewage recovering mechanism consisting of sewage withdrawing can and sewage loopback pipe, the sewage when sludge bin of the water-containing sludge that described sewage withdrawing can recovery comes from sewage work's carrying by truck storage or the pipe arrangement in sludge treatment device clean, described sewage loopback pipe is carried sewage from this sewage withdrawing can to described sludge bin, and, described sludge treatment device is processed the described water-containing sludge being stored in described sludge bin by cement manufacturing process, described sludge treatment device is characterised in that, the spray section of the described sludge bin side of described sewage loopback pipe is provided in by described truck to the top of dropping into the lowering position of described water-containing sludge in described sludge bin, to spray described sewage to the top that is deposited in the described water-containing sludge in described sludge bin.
(2) according to the sludge treatment device described (1) Suo Shu, it is characterized in that, water route the described spray section of described sewage loopback pipe is equipped with pipe along vertical in, and in the bottom from this spray section downwards the position of separation be level and be equipped with baffle plate.
(3) according to the sludge treatment device described (1) or (2) Suo Shu, it is characterized in that, at described sewage withdrawing can, be provided with circulation device, described circulation device makes stored described effluent cycle prevent from freezing.
(4) according to the sludge treatment device described in any one in described (1) to (3), it is characterized in that, described sludge treatment device is equipped with flusher, and described flusher, after described water-containing sludge is put in described sludge bin, utilizes rinse water to clean described truck.
Invention effect
According to the mode of described the present application (1) to (4), by being recycled to sewage in sewage withdrawing can, be sprayed onto while piling up in the sludge bin that has water-containing sludge, because the spray section of the sludge bin side of sewage loopback pipe is provided in the top of dropping into the lowering position of water-containing sludge from the input port in this sludge bin by truck, therefore can to surface, spray obliquely described sewage from being piled into the top of the described water-containing sludge of chevron.Thus, can prevent that described sewage and described water-containing sludge are stored with separate stage.
According to the mode of described the present application (2), because the described spray section at described sewage loopback pipe is equipped with water route in pipe along vertical, and separated position is level and is equipped with baffle plate in the bottom from this spray section, therefore can make described sewage spread over equably from being piled into the whole surface at described top to the foot of the hill of the described water-containing sludge of chevron downwards.Its result, when being stored in described water-containing sludge in described sludge bin and for example putting in cement kiln, can drop into agonic this water-containing sludge of water content, thereby can alleviate the burden of described cement kiln.
According to the mode of described the present application (3), owing to being provided with and making stored described effluent cycle prevent the circulation device freezing at described sewage withdrawing can, therefore even the in the situation that of using described sludge treatment device in cold district etc., also can prevent because of described sewage freeze cause described sewage withdrawing can and with the breakage of this sewage tank connected each pipe arrangement of recovery or pump etc.
According to the mode of described the present application (4), owing to being equipped with after described water-containing sludge is put in described sludge bin, utilize rinse water to clean the flusher of described truck, therefore by cleaning after this water-containing sludge on the described truck being attached to after the described water-containing sludge of carrying is in putting into described sludge bin, can clean like a cork.Its result can be cleaned, and can enough less rinse water be cleaned before described water-containing sludge is dry.
And the described sewage producing while cleaning by being recovered in is also delivered to described sewage withdrawing can, described sewage can be put in cement kiln and is processed.Thus, can residue in easily the processing of the described water-containing sludge of described truck, and can environmental protection.
Accompanying drawing explanation
Fig. 1 is the Sketch figure that an embodiment of sludge treatment device involved in the present invention is shown.
Fig. 2 A illustrates an embodiment of sludge treatment device involved in the present invention, is the structure iron of the sludge bin housing apparatus in sewage sludge receiving equipment and sloptank.
Fig. 2 B illustrates an embodiment of sludge treatment device involved in the present invention, is the structure iron of the sludge bin housing apparatus in sloptank.
Fig. 3 is the vertical view of the mud receiving trap of Fig. 1, Fig. 2 A and Fig. 2 B.
Fig. 4 is the schematic diagram in the position of the spray section of this sludge bin side of sewage loopback pipe shown in the sludge bin of an embodiment of sludge treatment device involved in the present invention.
Fig. 5 is the schematic diagram in the position of the spray section of this sludge bin side of the pipe of sewage loopback shown in sludge bin in the past.
Embodiment
As shown in Figure 1, the sludge treatment device 1 of one embodiment of the present invention is roughly configured to and possesses: cement making equipment (cement manufacturing process) 13, the preheater 23 that it has dry-process rotory kiln 18 and cement raw material C is carried out to preheating; Sewage sludge receiving equipment 15, it receives from the truck 8 of sewage work's carrying water-containing sludge 5; Flusher 11, it is provided in this sewage sludge receiving equipment 15; Sludge bin housing apparatus 28, it has sludge bin 2 and sewage withdrawing can 3, and at the interior storage water-containing sludge 5 of described sludge bin 2, described sewage withdrawing can 3 reclaims and stores the sewage 6 when sludge bin 2 or the pipe arrangement that is connected with this sludge bin 2 are cleaned; And mud injection mechanism 16, its kiln afterbody 19a side from dry-process rotory kiln 18 drops into water-containing sludge 5 via mud ingress pipe 17.
In addition, water-containing sludge 5 is that water ratio is the sewage dewatering sludge of 80% left and right.And this water-containing sludge is the mud of not implementing the pre-treatments such as additive interpolation, but can be also the mud of having implemented the pre-treatments such as additive interpolation.And, truck 8 for example adopt can be in goods platform 8a the sealed container equipped vehicle of airtight water-containing sludge 5.
At this, cement making equipment 13 is configured to, the preheater 23 that cement raw material C is carried out to preheating is connected with the kiln afterbody 19a of dry-process rotory kiln 18 by housing 22, cement raw material C is put in kiln afterbody 19a via preheater 23 and housing 22, and described cement raw material C is pulverized and sends into from chute S by raw material grinding mill (not shown).
And preheater 23 mainly consists of cyclone 23a and a plurality of setting pipeline 23b, cyclone 23a longitudinally arranges multistage continuously, erects pipeline 23b and connects each cyclone 23a, so that rise from the waste gas of dry-process rotory kiln 18.In addition, symbol F is induced draft fan, and induced draft fan makes waste gas from dry-process rotory kiln 18 via each cyclone 23a and respectively erects pipeline 23b and rise and discharge to outside.
And dry-process rotory kiln 18 possesses: rotary kiln 19 cylindraceous, it is connected with housing 22 at kiln afterbody 19a, and side is downward-sloping a little and along the driving that rotates in a circumferential direction downstream; Burner 20, it is arranged at the downstream portion side of rotary kiln 19 and take heavy oil or dust coal is fuel; And clinker cooler 21, it is arranged at the below of the downstream portion of rotary kiln 19.And, on the top of housing 22, being connected with the setting pipeline 23b of preheater 23 foots, the bottom surface 22a of housing 22 becomes the inclined-plane that tilts upward towards upstream side.
And, for the kiln afterbody 19a side from dry-process rotory kiln 18 drops into water-containing sludge 5, possess mud injection mechanism 16.This mud injection mechanism 16 has: mud ingress pipe 17, and it is connected with the sludge bin 2 that stores the water-containing sludge 5 coming by truck 8 carryings, and by pressure pump 24 force feed water-containing sludges 5; And mud input port 14, the front end of this mud ingress pipe 17 arranges up from the bottom surface 22a of housing 22, and water-containing sludge 5 is fallen towards this bottom surface 22a.That is, mud input port 14 is arranged at the inwall with the housing 22 of the connection section of kiln afterbody 19a as preheater 23.
And, as shown in Figure 3, sewage sludge receiving equipment 15 is connected with the mud reception chamber 15a being rectangle when being foursquare buildings 15b roughly while overlooking and overlooking, and truck 8 can be erect wall from continuous each of this buildings 15b debouch this mud reception chamber 15a.And, in buildings 15b, to the goods platform 8a sprinkling rinse water of truck 8 a plurality of nozzles (flusher) 11 that clean, be arranged on top side, and, in bottom surface, be provided with to the peristome 15c of the interior input water-containing sludge 5 of sludge bin 2.And, at nozzle 11, through valve 41, be connected with and by truck rinse water, with pump 40, to nozzle, send into the rinse water supply-pipe 42 of rinse water.In addition, at the base end side of rinse water supply-pipe 42, be connected with the supply source (not shown) of rinse water.
And below the buildings 15b of sewage sludge receiving equipment 15, sloptank 12 is embedded in ground.And, as shown in Figure 2 A, in this sloptank 12, be equipped with sludge bin housing apparatus 28.This sludge bin housing apparatus 28 (substructure) as shown in Figure 2 B, in sloptank 12, accommodate two sludge bin 2, and this sludge bin housing apparatus 28 possesses the sewage 6 that reclaims when each sludge bin 2 or the pipe arrangement that is connected with each sludge bin 2 are cleaned and to the sewage recovering mechanism 4 of sludge bin 2 conveying sewage.Two sludge bin 2 possess respectively switching cover 2a freely.
And, in the bottom of sloptank 12, be provided with the storage tanks 30 of temporary transient storage sewage 6.And, at storage tanks 30, be connected with recovery tube 31, described recovery tube 31 connects this storage tanks 30 and sewage withdrawing can 3 by vacuum breaker 31a, and is provided with sewage transport in storage tanks 30 to the sewage recovery pump 32 of pump in water of sewage withdrawing can 3 in this recovery tube 31.
And sewage recovering mechanism 4 possesses: sewage withdrawing can 3, it reclaims sewage 6 and stores this sewage 6; Sewage loopback pipe 7, it is connected with each sludge bin 2 from this sewage withdrawing can 3; And as the sewage loopback pump 25 of pump in water, it is arranged at this sewage loopback pipe 7, and the sewage in sewage withdrawing can 36 is delivered to sludge bin 2.And, in the bottom of sewage withdrawing can 3, be provided with agitating vane (circulation device) 10.In order to make sewage 6 convection current of reclaiming and being stored in sewage withdrawing can 3 prevent that this sewage 6 from freezing, this agitating vane 10 is set as by drive unit (not shown) rotation freely.
And as shown in Figure 4, the spray section 7a of the effluent sewerage 6 of sludge bin 2 sides of sewage loopback pipe 7 is provided in the top of the position that while dropping into water-containing sludge 5 by truck 8 from input port 9 sides of the input water-containing sludge 5 of sludge bin 2, water-containing sludge 5 falls.That is, the spray section 7a center of sewage loopback pipe 7 is roughly provided in the position of the top 5a of water-containing sludge 5.
And, in the spray section 7a of sewage loopback pipe 7, along vertical, dispose as water route 7b in the pipe of the stream of sewage 6.And 7a is provided with baffle plate 7c in this spray section, the sewage 6 of discharging with toilet disperses from the top of the top 5a of the water-containing sludge 5 piled up.This baffle plate 7c in the bottom from spray section 7a downwards separated position be level and set.
And sewage loopback pipe 7 has clamped take-off pipe 7d halfway, thereby be connected with two sludge bin 2 respectively.At this take-off pipe 7d, be respectively arranged with vacuum breaker 26 and flexible joint 27 midway.And, take-off pipe 7d midway and the upstream side of vacuum breaker 26 possess respectively sewage loopback switching valve 29 as loopback switching mechanism, this loopback switching mechanism can be selected at least one loopback sewage 6 in two sludge bin 2.
And mud ingress pipe 17 is connected with sewage return tube 34, described sewage return tube 34 is connected through water discharge valve 33 branches and with sewage withdrawing can 3 from this mud ingress pipe 17, and the sewage in mud ingress pipe 17 6 is delivered to sewage withdrawing can 3.
In addition, sewage withdrawing can 3 is arranged at the position lower than dry-process rotory kiln 18, mud ingress pipe 17 from sewage withdrawing can 3 to dry-process rotory kiln 18 towards top pipe arrangement obliquely.
And the branch location of the ratio sewage return tube 34 in the base end side of the mud ingress pipe 17 more position of downstream is connected with rinse water supply-pipe 36 through valve 37, described rinse water supply-pipe 36 utilizes flushing pump 35 to send into rinse water in pipe.In addition, at the base end side of this rinse water supply-pipe 36, be connected with the supply source (not shown) of rinse water.And the connection section than mud ingress pipe 17 and rinse water supply-pipe 36 in the base end side of mud ingress pipe 17 is more provided with cleanser insertion section 38 in the position of downstream, this cleanser insertion section 38 for inserting cleanser in pipe.
This cleanser uses and is diameter has suds sponge etc. than the large ball shape of the internal diameter of mud ingress pipe 17 and immersion.This is because the sponge of using if so ball shape, even in pipe arrangement bending or the vicissitudinous part of internal diameter also successfully in wash tube, and advances by rinse water.And, owing to containing suds, therefore more successfully easily enter in pipe, and easily clean.In addition, at described storage tanks 30 and described sewage withdrawing can 3, be respectively arranged with the liquidometer 39 of the amount of measuring respectively sewage.
The purging method of the truck of the treatment process of 1 pair of water-containing sludge 5 of sludge treatment device that utilization consists of above structure and carrying water-containing sludge 5 describes.In addition, the solid arrow in Fig. 1 represents the transfer direction of cement raw material C and water-containing sludge 5, and dotted arrow represents the flow direction of gas.
First, setting pipeline 23b to preheater 23 topmosts drops into cement raw material C, this cement raw material C on one side carries out heat exchange with the waste gas from dry-process rotory kiln 18 that setting pipeline 23b from preheater 23 foots rises, decline on one side, via kiln afterbody 19a, enter in the dry-process rotory kiln 18 of rotation.And about carrying from sewage work the water-containing sludge 5 of coming by truck 8, this truck 8 is put the mud reception chamber 15a of sewage sludge receiving equipment 15 in storage from rear, the cover 2a that opens arbitrary sludge bin 2 drops into this water-containing sludge 5 temporary transient storage that is loaded into goods platform 8a.Now, as shown in Figure 4, the water-containing sludge 5 that is loaded into the goods platform 8a of truck 8 is cast by the input port 9 of sludge bin 2.Thus, water-containing sludge 5 is deposited in identical lowering position all the time, and in the input port of sludge bin 2,9 sides are piled into chevron and form top 5a.
Then, by pressure pump 24, will be stored in water-containing sludge 5 in sludge bin 2 from mud ingress pipe 17 force feeds to mud input port 14.And, the water-containing sludge by force feed 5 is put in dry-process rotory kiln 18 from mud input port 14.So, put into the heating by burner 20 of water-containing sludge 5 in rotary kiln 19 and cement raw material C and together burn till and become cement clinker C1, by being arranged at the clinker cooler 21 of downstream portion of rotary kiln 19, be discharged from after cooling.
And grog C1 is together pulverized by atomizer mill (not shown) and gypsum, becomes finished cement.
The treatment process of the sewage 6 producing during then, to pipe arrangement cleaning two sludge bin 2 and being connected with each sludge bin 2 describes.
First, the sewage 6 producing during the pipe arrangement in cleaning each sludge bin 2 and sloptank 12 gathers in the storage tanks 30 of bottom of sloptank 12 and is temporarily accumulated.And, by sewage recovery pump 32, the sewage 6 being stored in storage tanks 30 is sent into and is stored in sewage withdrawing can 3 via recovery tube 31.
Then, by sewage loopback pump 25, the sewage in sewage withdrawing can 36 is recycled in sludge bin 2 via sewage loopback pipe 7.Now, according to the state of the water-containing sludge 5 in sludge bin 2 (especially moisture concentration), suitably control the amount of the sewage 6 of loopback, and open and close arbitrarily the take-off pipe 7d that sewage loopback switching valve 29 selects to carry sewage 6, select at least one the loopback point of destination as sewage 6 in two sludge bin 2.
And, when from sewage loopback pipe 7 to the interior conveying sewage 6 of sludge bin 2, from the spray section 7a of sewage loopback pipe 7, spray sewage 6.Now, because spray section 7a is provided in the top of the top 5a of the water-containing sludge that is piled into chevron 5 in sludge bin 2, therefore sewage 6 to all the winds disperses by means of the upper baffle plate 7c arranging of this spray section 7a, from being piled into the 5aZhi foot of the hill, top of the water-containing sludge 5 of chevron, is sprayed equably.So, the sewage 6 that is sprayed onto water-containing sludge 5 mixes with water-containing sludge 5, as described above by pressure pump 24 from sludge bin 2 via mud ingress pipe 17 force feeds to mud input port 14, and put in dry-process rotory kiln 18 from mud input port 14.
And the treatment process of the sewage 6 when utilizing rinse water clean sludge ingress pipe 17 describes.
First, in clean sludge ingress pipe 17, insert cleanser in from cleanser insertion section 38 to pipe, open valve 37, by flushing pump 35, via rinse water supply-pipe 36, in mud ingress pipe 17, send into rinse water.Now, in order to prevent that rinse water from flowing to sludge bin 2 sides, utilize the upstream side of not shown valve closes mud ingress pipe 17, and close water discharge valve 33 and prevent that rinse water from flowing to sewage withdrawing can 3.
When afterwards, being admitted to rinse water in mud ingress pipe 17 the described cleanser in pipe be advanced into dry-process rotory kiln 18 in wash tube.So, after clean sludge ingress pipe 17, the sewage in mud ingress pipe 17 6 is recovered in sewage withdrawing can 3.That is, by valve-off 37 and open water discharge valve 33, be tilted as described above sewage 6 in the mud ingress pipe 17 of pipe arrangement and via sewage return tube 34, flow in sewage withdrawing cans 3 because of own wt.And, according to the state of the water-containing sludge 5 in sludge bin 2, via sewage loopback pipe 7, to the water-containing sludge 5 in sludge bin 2, suitably spray the sewage 6 being recovered as described above.
And the treatment process of the sewage 6a producing during to the purging method of the truck 8 of carrying water-containing sludge 5 and cleaning describes.
First, warehouse-in is in the mud reception chamber 15a of sewage sludge receiving equipment 15, drop into after the next water-containing sludge 5 of sewage work's carrying the input port 9 of the arbitrary sludge bin from two sludge bin 2, under the state that keeps goods platform 8a to tilt, from a plurality of nozzles 11, sprays rinse water simultaneously.Now, the cover 2a of sludge bin 2 is closed.
Afterwards, utilize the rinse water of spraying from a plurality of nozzles 11 to clean the water-containing sludge 5 that residues in goods platform 8a.This rinse water is delivered to nozzle 11 with pump 40 from clamping the rinse water supply-pipe 42 of valve 41 by truck rinse water from the supply source of rinse water.Afterwards, described rinse water is sprayed to the specified time, rinse the water-containing sludge 5 that residues in goods platform 8a.
And the sewage 6a producing when cleaning flows in sloptank 12 from the bottom surface of the buildings 15b of sewage sludge receiving equipment 15, is gathered in the storage tanks 30 of the bottom that is arranged at this sloptank 12, is temporarily accumulated as sewage 6.And, by sewage recovery pump 32, the sewage 6 being stored in storage tanks 30 is sent into and is stored in sewage withdrawing can 3 via recovery tube 31.And, according to the state of the water-containing sludge 5 in sludge bin 2, via sewage loopback pipe 7, to the water-containing sludge 5 in sludge bin 2, suitably spray the sewage 6 that reclaims and be stored in sewage withdrawing can 3 as described above.
So, the water-containing sludge 5 that is sprayed sewage 6 as described above by pressure pump 24 from sludge bin 2 via mud ingress pipe 17 force feeds to mud input port 14, from mud input port 14, put in dry-process rotory kiln 18, together burnt till with cement raw material C.
According to the sludge treatment device 1 based on above-mentioned embodiment, by being recovered to sewage 6 in sewage withdrawing can 3, being sprayed onto and piling up while having the sludge bin 2 of water-containing sludge 5 interior, because the spray section 7a of sludge bin 2 sides of sewage loopback pipe 7 is provided in the top of dropping into the lowering position of water-containing sludges 5 from the input port 9 in this sludge bin by truck 8, therefore can spray from the teeth outwards obliquely sewage 6 from being piled into the top 5a of the water-containing sludge 5 of chevron.Thus, can prevent that sewage 6 and water-containing sludge 5 from storing with separate stage.
And, because water route 7b in the pipe of the spray section 7a of sewage loopback pipe 7 sets along vertical, and separated position is level and is equipped with baffle plate 7c downwards in the bottom from spray section 7a, therefore by spraying sewage 6 from being piled into the top of top 5a of the water-containing sludge 5 of chevron, can make sewage 6 spread over equably from the whole surface at the 5aZhi foot of the hill, this top.Its result, putting into dry-process rotory kiln 18 when interior by being stored in water-containing sludge 5 in sludge bin 2, can drop into the agonic water-containing sludge 5 of water content, thereby can alleviate the burden of dry-process rotory kiln 18.
And, sewage 6 circulations that are provided with freely by making to be stored in sewage withdrawing can 3 due to the bottom rotation at this sewage withdrawing can 3 prevent the agitating vane 10 freezing, therefore, even in cold district etc. use sludge treatment device 1 in the situation that, also can prevent from freezing to cause sewage withdrawing can 3 and each pipe arrangement being connected with this sewage withdrawing can 3 and 25 breakages of sewage loopback pump because of sewage 6.
And, owing to being equipped with at sewage sludge receiving equipment 15, after water-containing sludge 5 is put in sludge bin 2, utilize rinse water to clean the nozzle 11 of the goods platform 8a of truck 8, therefore can clean like a cork this water-containing sludge 5 of the goods platform 8a that residues in the truck 8 after carrying water-containing sludge 5.Its result can be cleaned, and can be utilized less rinse water to clean before water-containing sludge 5 is dry.
And, by the sewage 6a producing is temporarily accumulated in the storage tanks 30 of the bottom that is arranged at sloptank 12, and be delivered to sewage withdrawing can 3 from this storage tanks 30 when cleaning, sewage 6a can be put in dry-process rotory kiln 18 and process.Thus, can residue in easily the processing of the water-containing sludge 5 of truck 8, and can environmental protection.
And, can be stored in sewage withdrawing can 3 by the sewage 6 when cleaning by sewage recovering mechanism 4, and according to the mode control of the water-containing sludge 5 in sludge bin 2, pass through the suitably amount of the sewage 6 of loopback of sewage loopback pump 25, thereby can adjust the moisture of water-containing sludge 5.Therefore, can be on one side in the loopback amount of the interior adjustment sewage 6 of each sludge bin 2, on one side loopback sewage 6, and can to dry-process rotory kiln 18, supply with and suitably be adjusted the water-containing sludge 5 of moisture from sludge bin 2, thereby can alleviate the burden of the kiln that the increase along with moisture brings.
And, because sewage recovering mechanism 4 possesses the sewage loopback switching valve 29 of at least one loopback sewage 6 can selecting in two sludge bin 2, therefore can be according to the state adjustment of the water-containing sludge 5 in each sludge bin 2 to the loopback amount in each sludge bin 2.
And, owing to possessing the sewage return tube 34 that the sewage in mud ingress pipe 17 6 is delivered to sewage withdrawing can 3, therefore the sewage in mud ingress pipe 17 6 directly can be recovered in sewage withdrawing can 3, thereby can process like a cork a large amount of sewage 6 producing when clean sludge ingress pipe 17.
And, due to mud ingress pipe 17 from sewage withdrawing can 3 to dry-process rotory kiln 18 towards top pipe arrangement obliquely, therefore do not use pump etc. just can make the sewage 6 in mud ingress pipe 17 be recycled in sewage withdrawing can 3 by own wt.
And because water-containing sludge 5 or rinse water are sent into towards top from the below of mud ingress pipe 17, so air misses upward and is difficult for accumulating in pipe, thus easy force feed water-containing sludge 5 and easily supply with rinse water.
In addition, in the above-described embodiment, only to the circulation device being arranged in sewage withdrawing can 3, adopt the situation of agitating vane 10 to be illustrated, but be not limited to this, for example, can also tackle the circulation that clamps pump makes to be recovered to sewage 6 circulations in sewage withdrawing can 3 situation with pipe is set in the upper and lower of sewage withdrawing can 3.And, can with pipe etc., the heat power supply devices such as well heater be set by the periphery at sewage withdrawing can 3 and described circulation and improve antifreezing effect.
And, in the above-described embodiment, only to storage tanks 30 and sewage withdrawing can 3, use respectively the situation of the liquidometer 39 of the amount of measuring sewage 6 to be illustrated, but be not limited to this, such as tackling the signals that also basis obtains from this sensor such as moisture concentration that utilize sensor automatically to measure the water-containing sludge 5 in sludge bin 2, automatically control the situation from the sewage loopback amount of sewage withdrawing can 3.
And in the above-described embodiment, a situation about only sewage loopback pipe 7 being connected with two sludge bin 2 is illustrated, but is not limited to this, for example, can also tackle and 1 or 3 situations that sludge bin 2 is above connected.
And, in the above-described embodiment, only the situation from sewage withdrawing can 3 to 2 loopback sewage 6 of sludge bin is illustrated, but is not limited to this, for example, can also tackle being provided for extracting out the mud of the bottom that accumulates in sewage withdrawing can 3 and to the situation of the mud loopback pump of sludge bin 2 loopbacks.
And, in the above-described embodiment, only situation about the water-containing sludge of sludge bin 25 being put in the kiln afterbody 19a of dry-process rotory kiln 18 is illustrated, but be not limited to this, for example can also tackle the setting pipeline 23b that puts into calcining furnace and preheater 23 foots, or put into the situation in dry-process rotory kiln 18 after dry water-containing sludge 5.
Utilizability in industry
Can be used in the next water-containing sludge of Jiang Cong sewage work carrying and directly or after dry put into the sludge treatment device of processing in cement kiln.
Nomenclature
1-sludge treatment device, 2-sludge bin, 3-sewage withdrawing can, 4-sewage recovering mechanism, 5-water-containing sludge, 5a-top, 6-sewage, 6a-sewage, 7-sewage loopback pipe, 7a-spray section, water route in 7b-pipe, 7c-baffle plate, 8-truck, 8a-goods platform, 9-input port, 10-agitating vane (circulation device), 11-nozzle (flusher), 12-sloptank, 13-cement making equipment (cement manufacturing process), 15-sewage sludge receiving equipment.
Claims (5)
1. a sludge treatment device, it possesses the sewage recovering mechanism consisting of sewage withdrawing can and sewage loopback pipe, the sewage when sludge bin of the water-containing sludge that described sewage withdrawing can recovery comes from sewage work's carrying by truck storage or the pipe arrangement in sludge treatment device clean, described sewage loopback pipe is carried sewage from this sewage withdrawing can to described sludge bin, and, described sludge treatment device is processed the described water-containing sludge being stored in described sludge bin by cement manufacturing process, described sludge treatment device is characterised in that
The spray section of the described sludge bin side of described sewage loopback pipe is provided in by described truck to the top of dropping into the lowering position of described water-containing sludge in described sludge bin, to spray described sewage to the top that is deposited in the described water-containing sludge in described sludge bin.
2. sludge treatment device according to claim 1, is characterized in that,
Water route the described spray section of described sewage loopback pipe is equipped with pipe along vertical in, and in the bottom from this spray section downwards the position of separation be level and be equipped with baffle plate.
3. sludge treatment device according to claim 1 and 2, is characterized in that,
At described sewage withdrawing can, be provided with circulation device, described circulation device makes stored described effluent cycle prevent from freezing.
4. sludge treatment device according to claim 1 and 2, is characterized in that,
Described sludge treatment device is equipped with flusher, and described flusher, after described water-containing sludge is put in described sludge bin, utilizes rinse water to clean described truck.
5. sludge treatment device according to claim 3, is characterized in that,
Described sludge treatment device is equipped with flusher, and described flusher, after described water-containing sludge is put in described sludge bin, utilizes rinse water to clean described truck.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-042786 | 2012-02-29 | ||
| JP2012042786A JP5569547B2 (en) | 2012-02-29 | 2012-02-29 | Sludge treatment equipment |
| PCT/JP2013/054116 WO2013129199A1 (en) | 2012-02-29 | 2013-02-20 | Sludge treatment facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104136382A true CN104136382A (en) | 2014-11-05 |
| CN104136382B CN104136382B (en) | 2015-12-02 |
Family
ID=49082399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380011151.0A Expired - Fee Related CN104136382B (en) | 2012-02-29 | 2013-02-20 | Sludge treatment device |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP5569547B2 (en) |
| KR (1) | KR101633574B1 (en) |
| CN (1) | CN104136382B (en) |
| AU (1) | AU2013227605B2 (en) |
| IN (1) | IN2014DN07256A (en) |
| WO (1) | WO2013129199A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101398B (en) * | 2018-01-31 | 2023-08-08 | 江西银杉白水泥股份有限公司 | Cement bleaching machine capable of uniformly bleaching |
| CN113087100A (en) * | 2021-04-16 | 2021-07-09 | 西昌市蓝鼎环保科技有限公司 | Sedimentation tank for wastewater treatment |
| CN113294784A (en) * | 2021-05-25 | 2021-08-24 | 中国华能集团清洁能源技术研究院有限公司 | Rotary cement kiln system for disposing waste fan blades and working method thereof |
| CN116105150B (en) * | 2023-02-28 | 2023-10-24 | 鹏鹞环保股份有限公司 | Small sludge drying and incinerating device and incinerating method thereof |
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| JPH10325161A (en) * | 1997-05-27 | 1998-12-08 | Mitsubishi Heavy Ind Ltd | Freezing prevention method for elevated water tank and device therefor |
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- 2013-02-20 AU AU2013227605A patent/AU2013227605B2/en not_active Ceased
- 2013-02-20 CN CN201380011151.0A patent/CN104136382B/en not_active Expired - Fee Related
- 2013-02-20 WO PCT/JP2013/054116 patent/WO2013129199A1/en active Application Filing
- 2013-02-20 KR KR1020147023502A patent/KR101633574B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2013227605A1 (en) | 2014-09-18 |
| WO2013129199A1 (en) | 2013-09-06 |
| JP5569547B2 (en) | 2014-08-13 |
| KR101633574B1 (en) | 2016-06-24 |
| CN104136382B (en) | 2015-12-02 |
| AU2013227605B2 (en) | 2015-10-08 |
| IN2014DN07256A (en) | 2015-04-24 |
| KR20140113744A (en) | 2014-09-24 |
| JP2013176738A (en) | 2013-09-09 |
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