CN209411954U - Ship desulfurization wastewater Solid state fermentation system - Google Patents
Ship desulfurization wastewater Solid state fermentation system Download PDFInfo
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- CN209411954U CN209411954U CN201821750018.3U CN201821750018U CN209411954U CN 209411954 U CN209411954 U CN 209411954U CN 201821750018 U CN201821750018 U CN 201821750018U CN 209411954 U CN209411954 U CN 209411954U
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- absorption tower
- filter press
- solid state
- desulfurization wastewater
- state fermentation
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Abstract
The utility model provides ship desulfurization wastewater Solid state fermentation system, including absorption tower, second level aerating oxidation system, filter press, sludge sump, wastewater storage tank, PLC control system.Wherein, the absorption tower is hollow cylindrical structure and middle and lower part is provided with absorption tower entrance, absorption tower outlet, and the bottom on the absorption tower is provided with stirring flow spoiler and first order aerating oxidation system.The left and right sides of the second level aerating oxidation system passes through the feed inlet that pipeline is connected to the absorption tower entrance and the filter press respectively, the first discharge port, the second discharge port of the filter press pass through pipeline respectively and are connected on the sludge sump and the wastewater storage tank, and the PLC control system and the absorption tower, the second level aerating oxidation system, the filter press are electrically connected.Desulfurization wastewater waste residue automatic processing may be implemented in the utility model, and the sewage finally discharged is accomplished that COD < 50mg/L, SS < 30mg/L reach discharge standard by the processing of aerating oxidation system twice.
Description
Technical field
The utility model relates to a kind of waste water and dregs process fields, and in particular to a kind of ship desulfurization wastewater Solid state fermentation system
System.
Background technique
The 70th meeting of the Maritime Environment Protection Committee of International Maritime Organization IMO subordinate at present passes a resolution and " prevents ship
Oceangoing ship pollutes international convention ", it determines that the year two thousand twenty carries out the regulation of the 0.5% sulfur-bearing upper limit of marine fuel oil in global sea area, delineates before
Four big emission control areas still carry out 0.1% limitation, SO in ship tail gas is controlled with this2Discharge amount.Because largely
Shipowner starts to install desulphurization system additional at marine engine exhaust emissions successively, with meet the requirement of environmental protection.Desulphurization system washing
Remove the SO in flue gas2Afterwards, desulfurization wastewater waste residue is processed into for problem, and environmental regulation is to the COD of desulfurization wastewater (chemistry
Oxygen demand), the indexs such as SS (suspended matter) propose requirement.Traditional sewage treatment or stationary source desulfuration waste water treatment process is not
It is suitable for the processing of desulfurization wastewater waste residue peculiar to vessel, main cause is conventional processing routes complexity, often through biomembrane, coagulation
The processing of the series of process such as method, neutralisation, oxidation-reduction method, ion-exchange, equipment land occupation is big, and the processing time is long, general ship
Space occupied is limited on oceangoing ship, and desulfurization wastewater Solid state fermentation amount is few, and traditional handicraft is not applicable.
Utility model content
The utility model provides ship desulfurization wastewater Solid state fermentation system, to solve at desulfurization wastewater of the existing technology
The problem of managing complex process.
In order to solve the above technical problems, the utility model offer ship desulfurization wastewater Solid state fermentation system, including absorption tower,
Second level aerating oxidation system, filter press, sludge sump, wastewater storage tank, PLC control system.Wherein, the absorption tower is hollow
Cylindrical structure and middle and lower part are provided with absorption tower entrance, absorption tower outlet, and the bottom on the absorption tower is provided with stirring flow-disturbing
Device and first order aerating oxidation system.The left and right sides of the second level aerating oxidation system pass through respectively pipeline be connected to it is described
The feed inlet of absorption tower entrance and the filter press, the first discharge port, the second discharge port of the filter press pass through pipeline respectively
It is connected on the sludge sump and the wastewater storage tank, the PLC control system and the absorption tower, the second level are aerated oxygen
Change system, the filter press are electrically connected.
Preferably, the opposite two sides and the absorption tower of the absorption tower entrance and absorption tower outlet positioned at absorption tower
Position of the entrance apart from tower bottom is higher than position of the absorption tower outlet apart from tower bottom.
Preferably, the stirring flow spoiler is made by axial flow type propeller agitator and using 2205 steel alloys.
Preferably, the first order aerating oxidation system includes the first cfentrifugal blower, the first centrifugal air blast
Machine is fixed on outside the tower bottom on the absorption tower, and the wind of the first cfentrifugal blower blowout is arranged by the absorption tower lower part
The first air inlet enter the absorption tower in.
Preferably, the second level aerating oxidation system includes fluid reservoir and the second cfentrifugal blower, described second from
Core type air blower is fixed on outside the fluid reservoir, and the wind of the second cfentrifugal blower blowout passes through the fluid reservoir middle and lower part
The second air inlet being arranged enters in the fluid reservoir.
Preferably, the fluid reservoir is made of glass fiber reinforced plastic.
Preferably, the filter press includes feed inlet, filter chamber, the first discharge port, the second discharge port, the filter press it is whole
Body is square structure, and left end, lower end and the right end of the filter press are respectively arranged with feed inlet, the first discharge port, the second discharging
Mouthful, the filter press is internally provided with several filter chambers, and the filter chamber is arranged to make up by filter plate and filter frame.
Preferably, filter medium is provided on the filter plate.
Preferably, the filter press is made of 316L stainless steel.
For the utility model bring the utility model has the advantages that (1) process flow is simple, occupation area of equipment is small, is suitable for only narrow
The ship reconstruction project in small space；(2) removal efficiency is high, after multiple tracks is handled, the sewage finally discharged can accomplish COD <
50mg/L, SS < 30mg/L reach discharge standard；(3) without adding other medicaments, with physical method, chemistry in a whole set of process flow
Based on method processing, it is only necessary to which air carries out oxidation and aeration as oxidant；(4) automatic control level is high, can by setting SS,
The discharge standard of COD, automatic setting stirring flow spoiler operation power, the aeration quantity of the first order aerating oxidation system, circulation
Liquid overcurrent speed, the aeration quantity of the second level aerating oxidation system, circulation fluid residence time, the filters pressing in the fluid reservoir
Machine operating pressure and time, reach automatic operating.
Detailed description of the invention
Fig. 1 is the overall structure diagram according to the ship desulfurization wastewater Solid state fermentation system of the utility model embodiment.
Fig. 2 is the structural representation according to the filter press of the ship desulfurization wastewater Solid state fermentation system of the utility model embodiment
Figure.
Wherein, the absorption tower 1-, 2- wastewater storage tank, the second level 3- aerating oxidation system, 4- filter press, 401- feed inlet,
402- filter chamber, 5- sludge sump.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with drawings and the specific embodiments,
The utility model is described in further detail.
As depicted in figs. 1 and 2, ship desulfurization wastewater Solid state fermentation system provided by the utility model, including absorption tower 1,
Second level aerating oxidation system 3, filter press 4, sludge sump 5, wastewater storage tank 2, PLC control system.Wherein, the absorption tower 1 is
Hollow cylindrical structure and middle and lower part is provided with absorption tower entrance, absorption tower outlet, and the bottom on the absorption tower 1, which is provided with, to be stirred
Mix flow spoiler and first order aerating oxidation system.The left and right sides of the second level aerating oxidation system 3 is connected by pipeline respectively
Connect the feed inlet 401 in the absorption tower entrance and the filter press 4, the first discharge port, the second discharge port of the filter press 4
It is connected on the sludge sump 5 and the wastewater storage tank 2 by pipeline respectively, the PLC control system and the absorption tower 1,
The second level aerating oxidation system 3, the filter press 4 are electrically connected.
Furthermore, it is understood that the absorption tower entrance and absorption tower outlet are located at the opposite two sides on absorption tower 1 and described
Position of the absorption tower entrance apart from tower bottom is higher than position of the absorption tower outlet apart from tower bottom.
The stirring flow spoiler is made by axial flow type propeller agitator and using 2205 steel alloys, have it is compact-sized,
High-efficient, stable drive, low noise, the advantages that being convenient to mount and dismount.
The first order aerating oxidation system includes the first cfentrifugal blower, and first cfentrifugal blower is fixed on
Outside the tower bottom on the absorption tower 1, the wind of first cfentrifugal blower blowout be arranged by 1 lower part of absorption tower the
One air inlet enters in the absorption tower 1.The first order aerating oxidation system gas source use air-source, using described first from
Core type air blower drives impeller high speed rotation by axis, and air described is stirred by the first air inlet axially into high-speed rotating
It mixes that become Radial Flow after the impeller of flow spoiler 2 accelerated, subsequently into the diffusion chamber in the absorption tower 1, changes flowing side
To and slow down, the kinetic energy having in high-speed rotating air-flow is converted pressure energy by this decelerating effect, fan outlet can be made to keep
Steady pressure, so that the circulation fluid in the absorption tower 1 obtains sufficient aerating oxidation.
The second level aerating oxidation system 3 includes fluid reservoir and the second cfentrifugal blower, the second centrifugal drum
Blower is fixed on outside the fluid reservoir, what the wind of the second cfentrifugal blower blowout was arranged by the fluid reservoir middle and lower part
Second air inlet enters in the fluid reservoir, and the fluid reservoir is made of glass fiber reinforced plastic.By controlling liquid level in the fluid reservoir
Highly, liquid residence time and aeration quantity are precisely controlled aerating oxidation process, it is ensured that circulation fluid COD qualified discharge.The storage
Liquid level 2000mm or so in flow container is kept under level condition, and discharge cycle liquid, rate of discharge are 2 ton/days outward for timing,
Aeration quantity≤10m3/min。
The filter press 4 includes feed inlet 401, filter chamber 402, the first discharge port, the second discharge port, the filter press 4
Generally square structure, left end, lower end and the right end of the filter press 4 are respectively arranged with feed inlet 401, the first discharge port,
Two discharge ports, the filter press 4 are internally provided with several filter chambers 402, and the filter chamber 402 arranges structure by filter plate and filter frame
At being provided with filter medium on the filter plate, the filter press 4 is made of 316L stainless steel.It is acted in the pressure of dehvery pump
Under, feed liquid is sent into each filter chamber, is separated solid and liquid by filter medium, setting filter pressure is 0.4~0.6Mpa, mistake
The period is filtered no more than 4h.
Water-containing sludge after filters pressing is entered in the sludge sump 5 by slurry pump to be collected, and the clear liquid concentration after filters pressing returns to
To be recycled to uniform effluent after a certain amount of in the wastewater storage tank 2, waste liquid SS suspended matter at this time and COD COD are all
It is up to standard.The sludge sump 5 and the wastewater storage tank 2 are all made of glass reinforced plastic and are made.The liquid and waste slag produced storage capacity of ship is small, after processing
Waste liquid centralized collection in the wastewater storage tank 2, to reach setting liquid level can discharge, and only retain on ship and generate after filters pressing
Sewage sludge storage is in the sludge sump 5, this moiety by weight volume all very little, the additional load-carrying of the ship being not take up and space.To ship
When oceangoing ship pulls in shore, it can be emptied at ashore sludge recycling by delivery pump.
PLC control system is arranged in ship desulfurization wastewater Solid state fermentation system provided by the utility model, by setting SS,
The operation power of the stirring flow spoiler, the aeration of the first order aerating oxidation system is arranged in the discharge standard of COD automatically
Amount, circulation fluid overcurrent speed, the aeration quantity of the second level aerating oxidation system 3, circulation fluid residence time in the fluid reservoir,
4 operating pressure of filter press and time, reach automatic operating.
In conclusion ship desulfurization wastewater Solid state fermentation system provided by the utility model is exposed by absorption tower, the second level
Gas oxidative system, filter press, sludge sump, wastewater storage tank, PLC control system realize desulfurization wastewater waste residue automatic processing, lead to
The sewage finally discharged is accomplished COD < 50mg/L, SS < 30mg/L by the processing after aerating oxidation system twice, reaches discharge mark
It is quasi-.In addition, the sewage sludge storage generated after filters pressing exists through filter press treated waste liquid centralized collection in the wastewater storage tank
In the sludge sump, this moiety by weight volume all very little is not take up the additional load-carrying of ship and space.By first order aerating oxidation system
System is integrated in absorption tower, reduces the occupied area of equipment.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (9)
1. ship desulfurization wastewater Solid state fermentation system, which is characterized in that including absorption tower (1), second level aerating oxidation system
(3), filter press (4), sludge sump (5), wastewater storage tank (2), PLC control system, the absorption tower (1) are hollow cylindrical body knot
Structure and middle and lower part are provided with absorption tower entrance (101), absorption tower outlet (102), and the bottom of the absorption tower (1) is provided with stirring
Flow spoiler and first order aerating oxidation system, the left and right sides of the second level aerating oxidation system (3) are connected by pipeline respectively
Connect the feed inlet (401) in the absorption tower entrance (101) and the filter press (4), the first discharging of the filter press (4)
Mouth, the second discharge port pass through pipeline respectively and are connected on the sludge sump (5) and the wastewater storage tank (2), PLC control system
System is electrically connected with the absorption tower (1), the second level aerating oxidation system (3), the filter press (4).
2. ship desulfurization wastewater Solid state fermentation system as described in claim 1, which is characterized in that the absorption tower entrance
(101) and absorption tower outlet (102) the opposite two sides that are located at absorption tower (1) and the absorption tower entrance (101) are apart from tower
The position at bottom is higher than position of the absorption tower outlet (102) apart from tower bottom.
3. ship desulfurization wastewater Solid state fermentation system as claimed in claim 2, which is characterized in that the stirring flow spoiler is axis
Flow pattern propeller agitator is simultaneously made of 2205 steel alloys.
4. ship desulfurization wastewater Solid state fermentation system as claimed in claim 3, which is characterized in that the first order aerating oxidation
System includes the first cfentrifugal blower, and first cfentrifugal blower is fixed on outside the tower bottom of the absorption tower (1), described
The wind of first cfentrifugal blower blowout enters the absorption tower by the first air inlet that the absorption tower (1) lower part is arranged
(1) in.
5. ship desulfurization wastewater Solid state fermentation system as claimed in claim 4, which is characterized in that the second level aerating oxidation
System (3) includes fluid reservoir and the second cfentrifugal blower, and second cfentrifugal blower is fixed on outside the fluid reservoir, institute
The wind for stating the blowout of the second cfentrifugal blower enters the fluid reservoir by the second air inlet that the fluid reservoir middle and lower part is arranged
It is interior.
6. ship desulfurization wastewater Solid state fermentation system as claimed in claim 5, which is characterized in that the fluid reservoir uses glass
Steel is made.
7. ship desulfurization wastewater Solid state fermentation system as claimed in claim 6, which is characterized in that the filter press (4) includes
Feed inlet (401), filter chamber (402), the first discharge port, the second discharge port, the generally square structure of the filter press (4), institute
The left end, lower end and right end for stating filter press (4) are respectively arranged with feed inlet (401), the first discharge port, the second discharge port, described
Filter press (4) is internally provided with several filter chambers (402), and the filter chamber (402) is arranged to make up by filter plate and filter frame.
8. ship desulfurization wastewater Solid state fermentation system as claimed in claim 7, which is characterized in that be provided on the filter plate
Filter medium.
9. ship desulfurization wastewater Solid state fermentation system as claimed in claim 8, which is characterized in that the filter press (4) uses
316L stainless steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750018.3U CN209411954U (en) | 2018-10-27 | 2018-10-27 | Ship desulfurization wastewater Solid state fermentation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750018.3U CN209411954U (en) | 2018-10-27 | 2018-10-27 | Ship desulfurization wastewater Solid state fermentation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209411954U true CN209411954U (en) | 2019-09-20 |
Family
ID=67932025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821750018.3U Active CN209411954U (en) | 2018-10-27 | 2018-10-27 | Ship desulfurization wastewater Solid state fermentation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209411954U (en) |
-
2018
- 2018-10-27 CN CN201821750018.3U patent/CN209411954U/en active Active
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