CN104692611B - Waste catalyst mud water dehydration treatment equipment and waste catalyst mud water dehydration treatment method - Google Patents
Waste catalyst mud water dehydration treatment equipment and waste catalyst mud water dehydration treatment method Download PDFInfo
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- CN104692611B CN104692611B CN201510081371.1A CN201510081371A CN104692611B CN 104692611 B CN104692611 B CN 104692611B CN 201510081371 A CN201510081371 A CN 201510081371A CN 104692611 B CN104692611 B CN 104692611B
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- complexing agent
- dead catalyst
- flocculant
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses waste catalyst mud water dehydration treatment equipment and a waste catalyst mud water dehydration treatment method, and belongs to the technical field of solid-liquid separation in environmental engineering. The equipment comprises a sludge conveyer device, a complexing agent feeding device, a flocculating agent feeding device and a coiled dehydration device. The technique method comprises the following steps: conveying waste catalyst mud water; adding a complexing agent and a flocculating agent; and carrying out mixing reaction, and coiled dehydration. The moisture content of the waste catalyst mud water can be reduced to about 50% from 99.5% once by only adding the compounded medicine and combining with a coiled dehydration manner. According to the technique and the equipment, deep dehydration is carried out on the waste catalyst mud water; the treatment cost of the sewage is reduced; and a good way is provided for reduction treatment of a waste catalyst. Compared with an existing dehydration technology of combining filtration with a vacuum belt dehydrator, the technology is not easy to block, small in floor area, simple to operate, high in automatic degree and low in operation cost, and does not generate secondary pollution.
Description
Technical field
The present invention relates to the method and its processing equipment of a kind of dead catalyst muddy water dehydration, are specifically related to a kind of by efficiently
Dead catalyst Slurry treatment method of the compound drug in combination with the dehydration of folded spiral shell.
Background technology
The catalytic cracking unit of oil plant is one of main processing unit (plant) of processing of heavy oil, and catalyst consumption displacement is the device
One of primary operational feature, fresh normal catalyst consumption is in 0.6-1.4kg/t raw materials, and the catalysis of 0.3-0.6 kg/t raw materials
Agent be by chimney run damage in air, with national environmental protection regulation it is more and more stricter, catalytic unit smoke stack emission index S O2,
NOX and dust content are strictly controlled, both at home and abroad all using flue gas desulfurization and denitrification technology, to meet emission request, mesh
Before, catalytic unit adopts Wet Flue Gas Desulfurization Technique substantially, and when using wet desulphurization, chimney dust content has reached 50mg/m3
Hereinafter, the catalyst that reclaims of washing enters sewerage, after clarified pond precipitation concentration, moisture content more than 99%, in stream
Dynamic state, and contain fine catalyst in sewage, using conventional muddy water dehydration technique, such as centrifugal dehydration technology, it is difficult to enter
One step is dehydrated, and reduces moisture content.This just brings very big pressure to the disposal of follow-up muddy water, and to environmental protection negative effect is brought.
Conventional Slurry treatment technology generally comprises the concentration of muddy water, is dehydrated and is dried, after dead catalyst muddy water is concentrated
Also it is in flow regime, it is sufficiently bulky, it is difficult to dispose, it is unfavorable for transporting and disposes, further muddy water dehydration is needed, reduce muddy water
Processing cost.At present, the dewatering that countries in the world generally adopt may include vacuum filter for mechanical dehydration by dewatering Principle
Sludge, press filtration sludge, centrifugal dehydration and screw extruding are dehydrated.Wherein, it is a kind of new set that spiral shell dehydration equipment is folded in screw extruding
Standby, whole equipment processing cost is low, high degree of automation, and dehydrating effect is good.
The content of the invention
Dead catalyst muddy water Shortcomings are processed for prior art, the present invention is proposed at a kind of dead catalyst muddy water dehydration
Reason device and method, by chemical complexing enhanced coagulation in combination with folded spiral shell dehydration technique, solve at existing dead catalyst muddy water
Reason effect on driving birds is not good, the problem of high cost.
The technical scheme is that what is be achieved in that：
A kind of dead catalyst muddy water dewatering processing device, including the throwing of sludge conveyer, complexing agent throwing device, flocculant
Feeder apparatus and folded spiral shell dehydration device, the complexing agent throwing device includes complexing agent make-up tank and complexing agent dosing pump, the wadding
Solidifying agent throwing device steeps medicine device and flocculant dosing pump automatically including flocculant, and the folded spiral shell dehydration device includes flocculation mixing
Dead catalyst muddy water is added to the flocculation by groove, agitating device, delivery device and folded spiral shell owner body, the sludge conveyer
The complexing agent of compound screening in the complexing agent make-up tank is added to the flocculation mixing by mixing channel, the complexing agent dosing pump
Groove is added to the sludge conveyer, and flocculant is steeped the flocculant dosing pump flocculant prepared in medicine device automatically
It is added to the flocculation mixing channel, dead catalyst muddy water, complexing of the agitating device to being added in the flocculation mixing channel
Agent, flocculant are stirred and are mixed to form big alumen ustum, and the big alumen ustum for being formed is delivered to the folded spiral shell owner by the delivery device
In vivo, the folded spiral shell owner body goes out mud cake and filtrate to the big alumen ustum thickening process heel row.
As a further improvement on the present invention, the sludge conveyer includes intermediate agitation groove and sludge delivery pump, comes
Enter after the intermediate agitation groove stirring from the dead catalyst muddy water of waste water depositing reservoir bottom, put into by the sludge delivery pump
To the flocculation mixing channel.
As a further improvement on the present invention, the complexing agent is added to the centre and stirs by the complexing agent dosing pump
Mix in groove, after dead catalyst muddy water tentatively mixes with complexing agent in the intermediate agitation groove, conveyed by the sludge delivery pump
Into the flocculation mixing channel.
As a further improvement on the present invention, the sludge conveyer also includes pipe-line mixer, and the complexing agent leads to
Cross the complexing agent dosing pump to be added in the pipe-line mixer, after the intermediate agitation groove stirring described in of dead catalyst muddy water,
It is added in the pipe-line mixer by the sludge delivery pump, dead catalyst muddy water is with complexing agent in the pipe-line mixer
The flocculation mixing channel is delivered to after interior preliminary mixing.
As a further improvement on the present invention, the agitating device is the stirring of double-deck or multilayer paddle.
As a further improvement on the present invention, the control flocculant dosing pump and sludge are provided with the flocculation mixing channel
The liquid level gauge that delivery pump is opened and closed.
A kind of dead catalyst Slurry treatment method, comprises the steps：
A, dead catalyst muddy water is delivered to into pipe-line mixer by sludge delivery pump, meanwhile, the complexing agent of compound screening
Pipe-line mixer is put into by complexing agent dosing pump；
B, dead catalyst muddy water and complexing agent enter into flocculation mixing channel in pipe-line mixer after initial reaction, meanwhile,
Flocculant is steeped the flocculant concentration prepared in medicine device automatically to flocculation mixing channel for flocculant dosing pump；
C, agitating device are stirred mixed to the dead catalyst muddy water that is added in flocculation mixing channel, complexing agent, flocculant
Conjunction forms big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
A kind of dead catalyst Slurry treatment method, comprises the steps：
A, complexing agent channels and collaterals mixture dosing pump is added in intermediate agitation groove, dead catalyst muddy water is with complexing agent described
Tentatively mixed in intermediate agitation groove；
B, dead catalyst muddy water and complexing agent after initial reaction in intermediate agitation groove, by the sludge delivery pump convey into
Enter the flocculation mixing channel；Meanwhile, flocculant is steeped the flocculant concentration prepared in medicine device automatically to wadding for flocculant dosing pump
Solidifying mixing channel；
C, agitating device are stirred mixed to the dead catalyst muddy water that is added in flocculation mixing channel, complexing agent, flocculant
Conjunction forms big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
As a further improvement on the present invention, the complexing agent is formed by the one kind for compounding raw material or at least two by certain
Mass fraction compounding form, it is described compounding raw material include poly-ferric chloride, aluminium polychloride, vulcanized sodium, iron chloride, calcium acetate,
Calcium chloride and ferric sulfate.
As a further improvement on the present invention, the flocculant is non-ionic polyacrylamide, PAMC
It is a kind of with PAMA.
The invention has the beneficial effects as follows：The present invention provides a kind of dead catalyst muddy water dewatering processing device and method, passes through
It is catalytic cracking unit system for desulfuration and denitration dead catalyst muddy water by chemical complexing enhanced coagulation in combination with folded spiral shell dehydration technique
Process and provide new thinking, with being not easily blocked, do not produce the Er Wu Ran ﹑ floor space little ﹑ Cao Fang of work Bian ﹑ automaticity
High the advantages of.Meanwhile, the technique is compounded by complexing agent screening, enhanced flocculation effect, after improve the dehydration of dead catalyst muddy water
The solid content of mud cake and the rate of recovery of dead catalyst, whole technological process is simple, compact, stable, safe.The technique can use
It is applied widely in oil refinery waste catalyst mud-water separation, it is capable of achieving cleanly production and discarded object minimizing is processed.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2.
With reference to accompanying drawing, make the following instructions：
1 --- sludge conveyer 11 --- intermediate agitation groove
12 --- sludge delivery pump 13 --- pipe-line mixers
2 --- complexing agent throwing device 21 --- complexing agent make-up tanks
22 --- complexing agent dosing pump 3 --- flocculating agent feeding devices
31 --- flocculant steeps medicine device 32 automatically --- flocculant dosing pumps
4 --- folded spiral shell dehydration device 41 --- flocculation mixing channels
42 --- agitating device 43 --- delivery devices
44 --- folded spiral shell owner body 441 --- mud cake outlets
442 --- filtrate outlet
Specific embodiment
It is understandable to enable the invention to become apparent from, below in conjunction with the accompanying drawings detailed is done to the specific embodiment of the present invention
Explanation.
Embodiment 1
As shown in figure 1, a kind of dead catalyst muddy water dewatering processing device, including sludge conveyer 1, complexing agent adds dress
2, flocculating agent feeding device 3 and folded spiral shell dehydration device 4 are put, the complexing agent throwing device includes complexing agent make-up tank 21 and complexing
Agent dosing pump 22, the flocculating agent feeding device steeps medicine device 31 and flocculant dosing pump 32 automatically including flocculant, described folded
Spiral shell dehydration device includes flocculation mixing channel 41, agitating device 42, delivery device 43 and folded spiral shell owner body 44, the sludge conveying dress
Put including intermediate agitation groove 11, sludge delivery pump 12 and pipe-line mixer 13, from the dead catalyst mud of waste water depositing reservoir bottom
Water enters the intermediate agitation groove, after the intermediate agitation groove stirring described in, by the sludge delivery pump pipeline is added to
In blender, the complexing agent of compound screening in the complexing agent make-up tank is added to the pipeline and is mixed by the complexing agent dosing pump
In clutch, dead catalyst muddy water is delivered to the flocculation mixing channel after tentatively mixing in the pipe-line mixer with complexing agent；
Meanwhile, flocculant is steeped the flocculant concentration prepared in medicine device automatically to the flocculation mixing channel for the flocculant dosing pump,
The agitating device is stirred mixing to being added to the dead catalyst muddy water flocculated in mixing channel, complexing agent, flocculant
Big alumen ustum is formed, the delivery device is delivered to the big alumen ustum for being formed in the folded spiral shell owner body, the folded spiral shell owner body pair
The big alumen ustum thickening processes heel row and goes out mud cake and filtrate.
Preferably, the agitating device is the stirring of double-deck or multilayer paddle.To ensure to prevent catalysis while mixed effect
The big alumen ustum of agent sinks.Optionally, agitating device is double-deck axially stream agitator in flocculation mixing channel, is paddle, push type, frame
Middle one kind, delivery pipe can be passed through to folded spiral shell owner body to ensure that heavy dead catalyst muddy water forms alumen ustum.
Preferably, it is provided with the liquid level that the control flocculant dosing pump and sludge delivery pump are opened and closed in the flocculation mixing channel
Meter.During concrete application, liquid level gauge carry out with flocculant dosing pump, sludge delivery pump it is chain, more than chain control warning line when,
Liquid level gauge outputs signal to external control system, and external control system stops flocculant dosing pump and sludge delivery pump, waits to flocculate
Liquid drops to and restart after safety line in mixing channel.
A kind of dead catalyst Slurry treatment method, the method application dead catalyst muddy water dewatering processing device realizes useless catalysis
Agent Slurry treatment, comprises the steps：
A, dead catalyst muddy water is delivered to into pipe-line mixer by sludge delivery pump, meanwhile, the complexing agent of compound screening
Pipe-line mixer is put into by complexing agent dosing pump；
B, dead catalyst muddy water and complexing agent enter into flocculation mixing channel in pipe-line mixer after initial reaction, meanwhile,
Flocculant is steeped the flocculant concentration prepared in medicine device automatically to flocculation mixing channel for flocculant dosing pump；
C, agitating device are stirred mixed to the dead catalyst muddy water that is added in flocculation mixing channel, complexing agent, flocculant
Conjunction forms big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
Preferably, the complexing agent is formed by the one kind for compounding raw material or at least two by certain mass fraction compounding
Into the compounding raw material includes poly-ferric chloride（PFC）, aluminium polychloride（PAC）, vulcanized sodium（Na2S）, iron chloride（FeCl3）、
Calcium acetate（Ca(CH3COO)2）, calcium chloride（CaCl2）With ferric sulfate Fe2(SO4)3。
Preferably, the flocculant is non-ionic polyacrylamide（PAM）, PAMC（PAM）With the moon from
Sub- polyacrylamide（PAM）Middle one kind.
Preferably, agitating device is, by VFC, can be adjusted according to the concentration of sludge in flocculation mixing channel,
Ensure the effect of mixing.
To sum up, as a kind of preferred embodiment, dead catalyst muddy water dewatering processing device of the present invention and its process
Operation principle is as follows：The dead catalyst muddy water of depositing reservoir bottom periodically enters intermediate agitation groove（Containing agitating device）, it is defeated by sludge
Send pump to be lifted and enter flocculation mixing channel Jing after pipe-line mixer, and the complexing agent of compound screening completes to throw in pipe-line mixer
Jia ﹑ mixed processes.So, the sludge after complexing agent enhanced coagulation enters flocculation mixing channel, flocculant dosing pump automatic feeding wadding
Solidifying agent, the agitating device in the mixing channel that flocculates stirs to be formed enter after big alumen ustum folded spiral shell owner's body, in folded spiral shell owner's body
Enriching section carries out gravity concentration, and filtrate is discharged from the filter seam of enriching section；Spiral of the sludge after concentration along folded spiral shell owner body
Axle is pushed ahead, and is fully dehydrated in dewatering period in the presence of various making a concerted effort；Mud cake after dehydration is from the row of mud cake outlet 441
Go out, the filtrate of generation comes back to leading portion depositing reservoir, forms closed cycle.
Application example：Depositing reservoir bottom moisture content is that 99.5% dead catalyst muddy water flows automatically to intermediate agitation groove 11, by dirt
Mud delivery pump 12 is conveyed, and Jing pipe-line mixers 13 enter flocculation mixing channel 41, meanwhile, the complexing agent of highly efficiency compositional passes through complexing agent
Dosing pump 22 is put in pipe-line mixer 13, and dead catalyst muddy water is 60 with the weight ratio of complexing agent：1, dead catalyst muddy water
Flocculation mixing channel 13, polyacrylamide are entered after tentatively mixing in pipe-line mixer with complexing agent（PAM）It is logical as flocculant
Cross flocculant to steep automatically after medicine device 31 prepares in advance, flocculation mixing channel 13 is added to by flocculant dosing pump 32, stop
5min, is thoroughly mixed by agitating device 42, wherein, dead catalyst muddy water is 200 with the weight ratio of PAM:1；Fully stir
Mixing mixed dead catalyst muddy water and being delivered in folded spiral shell owner body 44 by delivery device 43 carries out processed.
Folded spiral shell owner body is prior art, generally includes enriching section, dewatering period and pushes away dead catalyst muddy water from enriching section
Enter the helical axis of dewatering period, by mixing the big alumen ustum for being formed, in the enriching section of folded spiral shell owner's body gravity concentration is carried out, filter
Jing filtrates outlet 442 is discharged after liquid is leached from the filter seam of enriching section；Sludge after concentration is pushed ahead along helical axis,
Fully it is dehydrated under various force actions；Mud cake after dehydration is discharged from the mud cake outlet 441 of folded spiral shell owner body.Preferably, fold
Spiral shell owner body can include 1~4 helical axis, and in parallel mode is combined together.
The moisture percentage in sewage sludge discharged from the mud cake outlet of folded spiral shell owner body 50% or so, i.e., by the useless catalysis of the present invention
Agent muddy water dewatering processing device and its process are capable of achieving to be dehydrated into moisture content for 99.0%-99.9% dead catalyst muddy water to contain
Sludge of the water rate in 45%-55%.After dead catalyst muddy water processed, can be to require to adopt burning according to different, mummification is again
Burning disposal；Press filtration filtrate can enter leading portion depositing reservoir, form closed cycle, and depositing reservoir sludge is after airoxidation
To sewage farm water inlet.
Optionally, dead catalyst muddy water and the weight ratio of complexing agent are 100:1, the weight ratio of dead catalyst muddy water and PAM
For 250：1；
Optionally, depositing reservoir sludge by hypochlorite oxidation process after to sewage farm water inlet.
Embodiment 2
As shown in Fig. 2 a kind of dead catalyst muddy water dewatering processing device, including sludge conveyer 1, complexing agent adds dress
2, flocculating agent feeding device 3 and folded spiral shell dehydration device 4 are put, the complexing agent throwing device includes complexing agent make-up tank 21 and complexing
Agent dosing pump 22, the flocculating agent feeding device steeps medicine device 31 and flocculant dosing pump 32 automatically including flocculant, described folded
Spiral shell dehydration device includes flocculation mixing channel 41, agitating device 42, delivery device 43 and folded spiral shell owner body 44, the sludge conveying dress
Put including intermediate agitation groove 11 and sludge delivery pump 12, the dead catalyst muddy water from depositing reservoir bottom enters the intermediate agitation
Groove, and the complexing agent of compound screening in complexing agent make-up tank is added to intermediate agitation groove, dead catalyst mud by complexing agent dosing pump
After water tentatively mixes with complexing agent in intermediate agitation groove, the flocculation mixing channel is delivered into by sludge delivery pump；Flocculant
Flocculant is steeped the flocculant concentration prepared in medicine device automatically to the flocculation mixing channel for dosing pump, and the agitating device is to throwing
It is added to the dead catalyst muddy water flocculated in mixing channel, complexing agent, flocculant to be stirred and be mixed to form big alumen ustum, the throwing
Send device that the big alumen ustum for being formed is delivered in the folded spiral shell owner body, the folded spiral shell owner body is to the big alumen ustum thickening
Process heel row and go out mud cake and filtrate.
Preferably, the agitating device is the stirring of double-deck or multilayer paddle.To ensure to prevent catalysis while mixed effect
The big alumen ustum of agent sinks.
Preferably, it is provided with the liquid level that the control flocculant dosing pump and sludge delivery pump are opened and closed in the flocculation mixing channel
Meter.During concrete application, liquid level gauge carry out with flocculant dosing pump, sludge delivery pump it is chain, more than chain control warning line when,
Liquid level gauge outputs signal to external control system, and external control system stops flocculant dosing pump and sludge delivery pump, waits to flocculate
Liquid drops to and restart after safety line in mixing channel.
A kind of dead catalyst Slurry treatment method, the above-mentioned dead catalyst muddy water dewatering processing device of the method application is realized useless
Catalyst Slurry treatment, comprises the steps：
A, complexing agent channels and collaterals mixture dosing pump is added in intermediate agitation groove, dead catalyst muddy water is with complexing agent described
Tentatively mixed in intermediate agitation groove；
B, dead catalyst muddy water and complexing agent after initial reaction in intermediate agitation groove, by the sludge delivery pump convey into
Enter the flocculation mixing channel；Meanwhile, flocculant is steeped the flocculant concentration prepared in medicine device automatically to wadding for flocculant dosing pump
Solidifying mixing channel；
C, agitating device are stirred mixed to the dead catalyst muddy water that is added in flocculation mixing channel, complexing agent, flocculant
Conjunction forms big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
Preferably, the complexing agent is formed by the one kind for compounding raw material or at least two by certain mass fraction compounding
Into the compounding raw material includes poly-ferric chloride（PFC）, aluminium polychloride（PAC）, vulcanized sodium（Na2S）, iron chloride（FeCl3）、
Calcium acetate（Ca(CH3COO)2）, calcium chloride（CaCl2）With ferric sulfate Fe2(SO4)3。
Preferably, the flocculant is non-ionic polyacrylamide（PAM）, PAMC（PAM）With the moon from
Sub- polyacrylamide（PAM）Middle one kind.
To sum up, as another kind of preferred embodiment, dead catalyst muddy water dewatering processing device of the present invention and its process
Operation principle it is as follows：The dead catalyst muddy water of depositing reservoir bottom periodically enters intermediate agitation groove（Containing agitating device）, complexing agent
Channels and collaterals mixture dosing pump is added to intermediate agitation groove, dead catalyst muddy water with complexing agent after initial reaction in intermediate agitation groove,
The flocculation mixing channel is delivered into by the sludge delivery pump；So, the sludge after complexing agent enhanced coagulation enters flocculation and mixes
Close groove, flocculant dosing pump automatic feeding flocculant stirs that to form big alumen ustum laggard by the agitating device in mixing channel that flocculates
Enter folded spiral shell owner body, in the enriching section of folded spiral shell owner's body gravity concentration is carried out, filtrate is discharged from the filter seam of enriching section；After concentration
Sludge push ahead along the helical axis of folded spiral shell owner body, it is various make a concerted effort in the presence of be fully dehydrated in dewatering period；Dehydration
Mud cake afterwards is discharged from mud cake outlet 441, and the filtrate of generation comes back to leading portion depositing reservoir, forms closed cycle.
Application example：
Depositing reservoir bottom moisture content is that 99.5% dead catalyst muddy water flows automatically to intermediate agitation groove 11, meanwhile, highly efficiency compositional
Complexing agent put in intermediate agitation groove 11 by complexing agent dosing pump 22, dead catalyst muddy water（Over dry sludge）With complexing agent
Weight ratio be 50：1, it is defeated by conveying sludge pump 12 after dead catalyst muddy water tentatively mixes with complexing agent in intermediate agitation groove
Be fed into flocculant mixing channel 41, flocculant PAM is steeped after medicine device 31 prepares in advance automatically by flocculant, by flocculant plus
Teat pipette 6 is added to flocculant mixing channel 41, stops 3min, is thoroughly mixed by agitating device 42, wherein dead catalyst mud
Water（Over dry sludge）It is 150 with the weight ratio of PAM:1；Sludge Jing delivery devices 43 after being thoroughly mixed are delivered to folded spiral shell machine
Main body 44 carries out processed；
By mixing the big alumen ustum for being formed in flocculant mixing channel, gravity is carried out in the enriching section of folded spiral shell owner's body dense
Contracting, filtrate is discharged from Jing filtrates outlet 442 in the filter seam of enriching section；Helical axis of the sludge after concentration along folded spiral shell owner body
Push ahead, be fully dehydrated under various force actions.Mud cake after dehydration is discharged from mud cake outlet 441.
Folded spiral shell dehydrated sludge moisture content, can be using burning according to different requirements 55% or so, and place is burned again in mummification
Reason；Pressure filtration yielding water can enter leading portion depositing reservoir, form closed cycle, and depositing reservoir water outlet is after airoxidation to sewage
Treatment stations water inlet.Optionally, over dry sludge：Complexing agent=120:1, over dry sludge：PAM=280：1.Optionally, depositing reservoir goes out
Water is after pure oxygen oxidation processes to sewage farm water inlet.
To sum up, the present invention provides a kind of dead catalyst muddy water dewatering processing device and method, by the way that chemical complexing is strengthened
Coagulation is provided new in combination with folded spiral shell dehydration technique for catalytic cracking unit system for desulfuration and denitration dead catalyst Slurry treatment
Thinking, has the advantages that to be not easily blocked, does not produce the Er Wu Ran ﹑ floor space little ﹑ Cao Fang of work Bian ﹑ high degree of automation.Meanwhile,
The technique by complexing agent screening compound, enhanced flocculation effect, improve dead catalyst muddy water dehydration after mud cake solid content and
The rate of recovery of dead catalyst, whole technological process is simple, compact, stable, safe.The technique can be used for oil refinery waste catalysis
Agent mud-water separation, it is applied widely, it is capable of achieving cleanly production and discarded object minimizing is processed.
Above example is referring to the drawings, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
In the case that member is by carrying out modification or change on various forms, but the essence without departing substantially from the present invention to above-described embodiment, all
Fall within the scope and spirit of the invention.
Claims (8)
1. a kind of dead catalyst muddy water dewatering processing device, it is characterised in that：Add including sludge conveyer (1), complexing agent
Device (2), flocculating agent feeding device (3) and folded spiral shell dehydration device (4), the complexing agent throwing device includes complexing agent make-up tank
(21) and complexing agent dosing pump (22), the flocculating agent feeding device steeps medicine device (31) automatically including flocculant and flocculant adds
Teat pipette (32), the folded spiral shell dehydration device includes flocculation mixing channel (41), agitating device (42), delivery device (43) and folded spiral shell machine
Dead catalyst muddy water is added to the flocculation mixing channel, the complexing agent dosing pump by main body (44), the sludge conveyer
The complexing agent of compound screening in the complexing agent make-up tank is added to into the sludge conveyer, the flocculant dosing pump will
Flocculant steeps the flocculant concentration prepared in medicine device to the flocculation mixing channel automatically, and the agitating device is to described in being added to
Dead catalyst muddy water, complexing agent in flocculation mixing channel, flocculant are stirred and are mixed to form big alumen ustum, and the delivery device will
The big alumen ustum for being formed is delivered in the folded spiral shell owner body, and the folded spiral shell owner body processes heel row to the big alumen ustum thickening
Go out mud cake and filtrate；The sludge conveyer includes intermediate agitation groove (11) and sludge delivery pump (12), from waste water clarification
The dead catalyst muddy water in bottom of pond portion is entered after the intermediate agitation groove stirring, and by the sludge delivery pump flocculation is put into
Mixing channel；The complexing agent is added in the intermediate agitation groove by the complexing agent dosing pump, dead catalyst muddy water and network
Mixture after preliminary mixing, by the sludge delivery pump flocculation mixing channel is delivered in the intermediate agitation groove.
2. a kind of dead catalyst muddy water dewatering processing device, it is characterised in that：Add including sludge conveyer (1), complexing agent
Device (2), flocculating agent feeding device (3) and folded spiral shell dehydration device (4), the complexing agent throwing device includes complexing agent make-up tank
(21) and complexing agent dosing pump (22), the flocculating agent feeding device steeps medicine device (31) automatically including flocculant and flocculant adds
Teat pipette (32), the folded spiral shell dehydration device includes flocculation mixing channel (41), agitating device (42), delivery device (43) and folded spiral shell machine
Dead catalyst muddy water is added to the flocculation mixing channel, the complexing agent dosing pump by main body (44), the sludge conveyer
The complexing agent of compound screening in the complexing agent make-up tank is added to into the sludge conveyer, the flocculant dosing pump will
Flocculant steeps the flocculant concentration prepared in medicine device to the flocculation mixing channel automatically, and the agitating device is to described in being added to
Dead catalyst muddy water, complexing agent in flocculation mixing channel, flocculant are stirred and are mixed to form big alumen ustum, and the delivery device will
The big alumen ustum for being formed is delivered in the folded spiral shell owner body, and the folded spiral shell owner body processes heel row to the big alumen ustum thickening
Go out mud cake and filtrate；The sludge conveyer includes intermediate agitation groove (11) and sludge delivery pump (12), from waste water clarification
The dead catalyst muddy water in bottom of pond portion is entered after the intermediate agitation groove stirring, and by the sludge delivery pump flocculation is put into
Mixing channel；The sludge conveyer also includes pipe-line mixer (13), and the complexing agent is thrown by the complexing agent dosing pump
It is added in the pipe-line mixer, after the intermediate agitation groove stirring described in of dead catalyst muddy water, is thrown by the sludge delivery pump
It is added in the pipe-line mixer, dead catalyst muddy water is delivered to institute after tentatively mixing in the pipe-line mixer with complexing agent
State flocculation mixing channel.
3. dead catalyst muddy water dewatering processing device according to claim 1 and 2, it is characterised in that：The agitating device
For the stirring of double-deck or multilayer paddle.
4. dead catalyst muddy water dewatering processing device according to claim 1 and 2, it is characterised in that：The flocculation mixing
The liquid level gauge that the control flocculant dosing pump and sludge delivery pump are opened and closed is provided with groove.
5. a kind of dead catalyst Slurry treatment method, the dead catalyst muddy water processed described in the method application claim 2
Equipment realizes dead catalyst Slurry treatment, it is characterised in that：Comprise the steps：
A, dead catalyst muddy water is delivered to into pipe-line mixer by sludge delivery pump, meanwhile, the complexing agent of compound screening passes through
Complexing agent dosing pump puts into pipe-line mixer；
B, dead catalyst muddy water and complexing agent enter into flocculation mixing channel in pipe-line mixer after initial reaction, meanwhile, flocculation
Flocculant is steeped the flocculant concentration prepared in medicine device automatically to flocculation mixing channel for agent dosing pump；
C, agitating device are stirred mixing shape to being added to the dead catalyst muddy water flocculated in mixing channel, complexing agent, flocculant
Into big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
6. a kind of dead catalyst Slurry treatment method, the dead catalyst muddy water processed described in the method application claim 1
Equipment realizes dead catalyst Slurry treatment, it is characterised in that：Comprise the steps：
A, complexing agent channels and collaterals mixture dosing pump is added in intermediate agitation groove, dead catalyst muddy water and complexing agent are in the centre
Tentatively mixed in tank diameter；
B, dead catalyst muddy water and complexing agent deliver into institute after initial reaction in intermediate agitation groove by the sludge delivery pump
State flocculation mixing channel；Meanwhile, it is mixed to flocculation that flocculant is steeped flocculant dosing pump the flocculant concentration prepared in medicine device automatically
Close groove；
C, agitating device are stirred mixing shape to being added to the dead catalyst muddy water flocculated in mixing channel, complexing agent, flocculant
Into big alumen ustum；
D, the big alumen ustum Jing delivery devices for being formed are transported to folded spiral shell owner body and carry out processed heel row and go out mud cake and filtrate.
7. the dead catalyst Slurry treatment method according to claim 5 or 6, it is characterised in that：The complexing agent is by compounding
One kind of raw material is formed or at least two are formed by certain mass fraction compounding, and the compounding raw material includes poly-ferric chloride, gathers
Close aluminium chloride, vulcanized sodium, iron chloride, calcium acetate, calcium chloride and ferric sulfate.
8. the dead catalyst Slurry treatment method according to claim 5 or 6, it is characterised in that：The flocculant for it is non-from
It is a kind of in sub- polyacrylamide, PAMC and PAMA.
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| CN104692611B true CN104692611B (en) | 2017-05-17 |
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| CN105780919B (en) * | 2016-04-08 | 2018-06-26 | 福建群峰机械有限公司 | A kind of multi-functional dredging vehicle of mud-water separation type |
| CN108776429A (en) * | 2018-06-20 | 2018-11-09 | 江苏复星节能环保有限公司 | Improve biochemistry pool mixing effect method |
| CN113814208A (en) * | 2020-06-15 | 2021-12-21 | 宝山钢铁股份有限公司 | Material cleaning and recycling system and method for conveyor |
| CN112723710A (en) * | 2020-12-31 | 2021-04-30 | 江苏大学 | Efficient sludge dewatering system and dewatering method |
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| JPS59133000A (en) * | 1983-01-21 | 1984-07-31 | Nippon Shokubai Kagaku Kogyo Co Ltd | Treatment of sludge |
| CN101580336B (en) * | 2009-05-27 | 2011-04-20 | 中国石油天然气股份有限公司 | Method for treating oil-containing and methanol-containing sludge |
| CN102531327B (en) * | 2011-12-30 | 2016-08-17 | 宇星科技发展(深圳)有限公司 | Sludge dewatering automatic combined cooker device and Opsonizing method thereof |
| CN103241920B (en) * | 2012-02-01 | 2014-04-16 | 浙江绿治污泥处理技术有限公司 | Chemical conditioning multistage mixing technology of sludge |
| CN103030258A (en) * | 2012-12-31 | 2013-04-10 | 南京城建环保水务投资有限公司 | Deep dehydration device and dehydration method for sludge |
| CN103086539A (en) * | 2013-01-21 | 2013-05-08 | 北京市环境保护科学研究院 | Solid-liquid separating device and method of concentrated liquid waste from banknote printing wiping |
| JP2014171981A (en) * | 2013-03-11 | 2014-09-22 | Hymo Corp | Sludge dehydration method |
| CN204644107U (en) * | 2015-02-15 | 2015-09-16 | 南京中衡元环保设备有限公司 | Spent catalyst muddy water dewatering processing device |
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Address after: No. 3, Victory Park Road, Lishui Economic Development Zone, Nanjing, Jiangsu Patentee after: Nanjing Zhong Yuan Yuan Environmental Protection Technology Co., Ltd. Address before: No. 3, Victory Park Road, Lishui Economic Development Zone, Nanjing, Jiangsu Patentee before: Nanjing Zhonghengyuan Environmental Protection Equipment Co., Ltd. |