CN208042159U - A kind of self-produced sludge drying and incinerating integral system - Google Patents
A kind of self-produced sludge drying and incinerating integral system Download PDFInfo
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- CN208042159U CN208042159U CN201820172026.8U CN201820172026U CN208042159U CN 208042159 U CN208042159 U CN 208042159U CN 201820172026 U CN201820172026 U CN 201820172026U CN 208042159 U CN208042159 U CN 208042159U
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- fluidized
- air
- disc dryer
- heat exchanger
- incinerating
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- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model is related to a kind of utilizations of sludge drying and incinerating technology, it is a kind of energy-efficient, harmless environmental protection in the sludge such as petrochemical industry, chemical industry, life field, reliable and stable treatment technology, specially a kind of self-produced sludge drying and incinerating integral system, including disc dryer, swinging incinerator, gravity settling chamber, fluidized-bed combustion boiler, heat exchanger, rotation cooler, bag filter, rotary discharger, air-introduced machine, combustion fan, Venturi transmission ejector, lime set tank, condensed absorbent tower；The disc dryer, condensed absorbent tower, swinging incinerator, gravity settling chamber and rotation cooler are sequentially connected, the disc dryer is sequentially connected with lime set tank and rotation cooler, the disc dryer is also connect with fluidized-bed combustion boiler and rotation cooler by Venturi transmission ejector successively, combustion air is connected to by combustion fan with heat exchanger, and the heat exchanger is connect with fluidized-bed combustion boiler and swinging incinerator respectively.
Description
Technical field
The utility model is related to a kind of utilizations of sludge drying and incinerating technology, are the sludge such as petrochemical industry, chemical industry, life fields
A kind of energy-efficient, harmless environmentally friendly, reliable and stable treatment technology, specially a kind of self-produced sludge drying and incinerating integration system
System.
Background technology
Sludge is the product after municipal sewage and Industrial Waste Water Treatments, be one kind by inorganic particle, organic debris, bacterium bacterium
The extremely complex heterogeneous body of the compositions such as body, colloid.The wet part being evaporated after drying containing organic and inorganic, moisture, NOx,
The gases such as SO2, and carry a small amount of solid dust secretly.
In the prior art, drying mostly uses heat-conduction-type drying equipment, such as blade dryer, disc dryer；It burns
Convection burning facility is mostly used, upper respective independence is applied such as swinging incinerator, fluidized bed incinerator, but in technology, does not have
Associativity, the disadvantage is that not energy-efficient, environment is affected.
Utility model content
The purpose of the utility model is to provide a kind of disc dryers to be combined to realize with swinging incinerator
Self-produced sludge drying and incinerating integral system that is effectively energy saving and reducing environmental pollution.
Technical solution adopted by the utility model to solve its technical problems is：A kind of self-produced sludge drying and incinerating integration
System, including disc dryer, swinging incinerator, gravity settling chamber, fluidized-bed combustion boiler, heat exchanger, rotation cooler, cloth bag
Deduster, rotary discharger, air-introduced machine, combustion fan, Venturi transmission ejector, lime set tank, condensed absorbent tower；The disk drying
Machine, condensed absorbent tower, swinging incinerator, gravity settling chamber and rotation cooler are sequentially connected, the disc dryer with it is solidifying
Flow container and rotation cooler be sequentially connected, the disc dryer also by Venturi transmission ejector successively with fluidized-bed combustion boiler and rotation
Turn cooler connection, combustion air is connected to by combustion fan with heat exchanger, the heat exchanger respectively with fluidized-bed combustion boiler and time
Rotary incinerator connects, and the heat exchanger is also connect with bag filter, and purification air is connected by air-introduced machine and bag filter
Logical, the bag filter is connect by rotary discharger with rotation cooler；The disc dryer is also burned with swinging
Stove is directly connected to.
Preferably, further including lime set pump, the lime set pump is serially connected between lime set tank and fluidized-bed combustion boiler.
Preferably, further include air-introduced machine two, the air-introduced machine two be serially connected in condensed absorbent tower and swinging incinerator it
Between.
The advantages of the utility model and good effect are：Dry, burning process continuous operation in this technique, in same one
It is completed in system, drying and burning are not interfere with each other again independently of each other, while interdependence again, are provided respectively required；Technical process exists
It is carried out in the semi-open system of half cycle, system is equivalent to inert gas circulating system, and the drying and burning of sludge are equivalent to
It is carried out in oxygen-free environment, system safety.
(1) steam needed for dry, which automatically supplies, burns required fuel automatically supplies
Disc dryer institute calorific requirement is the process for the indirect transfer that sludge incineration generates flue gas heat in the utility model,
Steam generates certainly, it is only necessary to which external world offer part is jetting steam caused, and some vapor after going into operation can confess self-sufficiency；Swinging incinerator
Required~600 DEG C of the high-temperature flue gas of middle burning are sludge itself evaporations, carry the boil-off gas of certain calorific value (containing hydro carbons group
Part) and self-contained certain calorific value sludge oneself offer is provided, for swinging incinerator, it is only necessary to which extraneous part of fuel helps
Combustion, the part of fuel after going into operation can confess self-sufficiency.
(2) heat integration utilizes
1. high-temperature flue gas heat recovery
Swinging incinerator about 600 DEG C of high-temperature flue gas by fluidized-bed combustion boiler after out flue-gas temperature still maintain about
200 DEG C, to utilize this partial heat, before combustion air enters swinging incinerator, in heat exchanger, about 200 DEG C of flue gases with
About 20 DEG C of air heat exchanges, chamber flue gas temperature are down to about 60 DEG C, and combustion air is burnt after being heated to about 180 DEG C into swinging
Stove is burnt as First air, and waste heat is utilized.
2. ashes heat recovery
Come from swinging incinerator, is collected from gravity settling chamber, fluidized-bed combustion boiler, bag filter gas solid separation
Ashes, temperature maintain about 300 DEG C, and before arranging outside, it is indirect with ashes that process water is passed through in the chuck and axis of cooling screw 6
Heat exchange, cooling about 60 DEG C of ashes discharge are collected, about 90 DEG C of process waters after heat exchange heating enter in lime set tank with steam condensate
Mixing, as the boiler water coil of fluidized-bed combustion boiler and the supplement water of steamdrum, waste heat is utilized.
Description of the drawings
Attached drawing 1 is the system architecture diagram of the self-produced sludge drying and incinerating integral system of the utility model.
Description of the drawings：1- disc dryers, 2- swinging incinerators, 3- gravity settling chambers, 4- fluidized-bed combustion boilers, 5- heat exchange
Device, 6- cooling screws, 7- bag filters, 8- rotary dischargers, 9- air-introduced machines, 10- combustion fans, 11- venturi injections
Device, 12- lime set tanks, 13- lime sets pump, 14- condensed absorbent towers, 15- air-introduced machines two.
Specific implementation mode
As shown, a kind of self-produced sludge drying and incinerating integral system, including disc dryer 1, swinging incinerator
2, gravity settling chamber 3, fluidized-bed combustion boiler 4, heat exchanger 5, rotation cooler 6, bag filter 7, rotary discharger 8, air-introduced machine
9, combustion fan 10, Venturi transmission ejector 11, lime set tank 12, condensed absorbent tower 14；The disc dryer 1, condensed absorbent tower
14, swinging incinerator 2, gravity settling chamber 3 and rotation cooler 6 are sequentially connected, the disc dryer 1 and lime set tank 12 and
Rotation cooler 6 be sequentially connected, the disc dryer 1 also by Venturi transmission ejector 11 successively with fluidized-bed combustion boiler 4 and rotation
Turn the connection of cooler 6, combustion air is connected to by combustion fan 10 with heat exchanger 5, the heat exchanger 5 respectively with fluidized-bed combustion boiler
4 and swinging incinerator 2 connect, the heat exchanger 5 also connect with bag filter 7, purifies air and passes through air-introduced machine 9 and cloth bag
Deduster 7 is connected to, and the bag filter 7 is connect by rotary discharger 8 with rotation cooler 6；The disc dryer 1 is also
It is directly connected to swinging incinerator 2.
Further include lime set pump 13, the lime set pump 13 is serially connected between lime set tank 12 and fluidized-bed combustion boiler 4.
Further include air-introduced machine 2 15, the air-introduced machine 2 15 is serially connected between condensed absorbent tower 14 and swinging incinerator 2.
A kind of drying and incinerating method of self-produced sludge drying and incinerating integral system, includes the following steps：
Step 1：Sludge continuous uniform is added in disc dryer 1, while saturated vapor is distributed by pipeline and entered
In the hollow hot axis of disc dryer 1, disk blade and chuck, sludge is transferred heat to, the moisture evaporation in sludge is made；
Step 2：Sludge after drying enters the burning of swinging incinerator 2；The condensed condensed water of saturated vapor enters solidifying
Flow container 12；The tail gas being evaporated from disc dryer 1 enters in condensation scrubbing tower 14, and cooling is in direct contact with cooling technique water
It dries, washings are expelled directly out reuse after cooling precipitation, enter revolution after the supercharging of air-introduced machine 2 15 after tail gas demisting after purification
Formula incinerator 2 burns；
Step 3：Sludge after drying enters swinging incinerator 2, and condensation cleaning tail gas is also burnt into swinging after drying
Burn stove 2, while in swinging incinerator 2 first by burner make the fuel combustion being passed through generate high-temperature flue gas, with drying after
Sludge and tail gas are in direct contact burning；
Step 4：High-temperature flue gas and ashes after burning initially enter two level in gravity settling chamber 3 and settle gas solid separation, point
From high-temperature flue gas enter in fluidized-bed combustion boiler 4, the boiler water coil and steamdrum of heated fluidized bed boiler 4 generate steam, together
When flue gas in the part ashes carried secretly gas solid separation is settled in fluidized-bed combustion boiler 4；
Step 5：Fluidized-bed combustion boiler 4 be discharged low-temperature flue gas be mingled with a small amount of molecule by heat exchanger 5 with it is combustion-supporting
11 air indirect heat exchange after supercharged of wind turbine, combustion air of the high temperature air as swinging incinerator 2 after heat exchange, after heat exchange
Low-temperature flue gas enters gas solid separation in bag filter 7, and purified flue gas empties after being pressurized by air-introduced machine 9；
Step 6：The steam that the boiler water coil and steamdrum of fluidized-bed combustion boiler 4 generate by Venturi transmission ejector 11 with
Enter after the jetting steam caused mixing in part in the hollow hot axis, disk blade and chuck of disc dryer, dry institute's calorific requirement be provided,
The steam condensate collected in lime set tank 12 is pressurized boiler water coil and the steaming of laggard fluidized bed boiler 4 by lime set pump 13
Drum is utilized in self-produced steam, self-loopa；
Step 7：From the ashes that gravity settling chamber 3, fluidized-bed combustion boiler 4 and 7 gas solid separation of bag filter are collected into
Enter in cooling screw 6, while being passed through process water and ashes indirect heat exchange in the chuck and axis of cooling screw 6, cooling ash
Cinder discharge is collected, and the process water after heat exchange heating enters in lime set tank 12 to be mixed with steam condensate, as fluidized-bed combustion boiler 4
The supplement water of boiler water coil and steamdrum.
Natural gas, light oil, oil liquefied gas etc. can be used in the ignition media of swinging incinerator 2；Bag filter 1
Cyclone separator, bag filter, electric precipitation or several combining forms etc. can be used in pattern.
1 calorific requirement of disc dryer is the mistake for the indirect transfer that sludge incineration generates flue gas heat in the utility model
Journey, steam generate certainly, it is only necessary to which external world offer part is jetting steam caused, and some vapor after going into operation can confess self-sufficiency；Swinging is burnt
It burns in stove 2 and burns required~600 DEG C of high-temperature flue gas, be sludge itself evaporation, carry the boil-off gas of certain calorific value (containing hydrocarbon
Class component) and self-contained certain calorific value sludge from burning offer, for swinging incinerator 2, it is only necessary to extraneous part
Fuel combustion supporting, the part of fuel after going into operation can confess self-sufficiency.
Swinging incinerator 2~600 DEG C of high-temperature flue gas by fluidized-bed combustion boiler 4 after out flue-gas temperature still maintain
~200 DEG C, to utilize this partial heat, before combustion air enters swinging incinerator 2, in heat exchanger 5 ,~200 DEG C of cigarettes
Gas and~20 DEG C of air heat exchanges, chamber flue gas temperature are down to~60 DEG C, and combustion air enters revolution after being heated to~180 DEG C
Formula incinerator 2 is used as First air, waste heat to be utilized.
From swinging incinerator 2, under collecting gravity settling chamber 3, fluidized-bed combustion boiler 4,7 gas solid separation of bag filter
The ashes come, temperature maintain~300 DEG C, and before arranging outside, process water and ashes are passed through in the chuck and axis of cooling screw 6
Indirect heat exchange, cooling~60 DEG C of ashes discharge are collected, after heat exchange heating~90 DEG C of process waters enter in lime set tank 12 with steam
Condensed water mixes, and as the boiler water coil of fluidized-bed combustion boiler 4 and the supplement water of steamdrum, waste heat is utilized.
It is enlightenment, through the above description, relevant staff with the above-mentioned desirable embodiment according to utility model
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely, this item is practical
Novel technical scope is not limited to the contents of the specification, it is necessary to determine that its is technical according to right
Range.
Claims (3)
1. a kind of self-produced sludge drying and incinerating integral system, it is characterised in that：It is burned including disc dryer (1), swinging
Stove (2), gravity settling chamber (3), fluidized-bed combustion boiler (4), heat exchanger (5), rotation cooler (6), bag filter (7), rotation
Discharger (8), air-introduced machine (9), combustion fan (10), Venturi transmission ejector (11), lime set tank (12), condensed absorbent tower (14)；
The disc dryer (1), condensed absorbent tower (14), swinging incinerator (2), gravity settling chamber (3) and rotation cooler (6)
It is sequentially connected, the disc dryer (1) is sequentially connected with lime set tank (12) and rotation cooler (6), the disc dryer
(1) it is also connect successively with fluidized-bed combustion boiler (4) and rotation cooler (6) by Venturi transmission ejector (11), combustion air passes through
Combustion fan (10) is connected to heat exchanger (5), the heat exchanger (5) respectively with fluidized-bed combustion boiler (4) and swinging incinerator (2)
Connection, the heat exchanger (5) also connect with bag filter (7), and purification air passes through air-introduced machine (9) and bag filter (7)
Connection, the bag filter (7) are connect by rotary discharger (8) with rotation cooler (6)；The disc dryer (1)
Also it is directly connected to swinging incinerator (2).
2. self-produced sludge drying and incinerating integral system according to claim 1, it is characterised in that：It further include lime set pump
(13), the lime set pump (13) is serially connected between lime set tank (12) and fluidized-bed combustion boiler (4).
3. self-produced sludge drying and incinerating integral system according to claim 1, it is characterised in that：It further include air-introduced machine two
(15), the air-introduced machine two (15) is serially connected between condensed absorbent tower (14) and swinging incinerator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172026.8U CN208042159U (en) | 2018-01-31 | 2018-01-31 | A kind of self-produced sludge drying and incinerating integral system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820172026.8U CN208042159U (en) | 2018-01-31 | 2018-01-31 | A kind of self-produced sludge drying and incinerating integral system |
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| Publication Number | Publication Date |
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| CN208042159U true CN208042159U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820172026.8U Active CN208042159U (en) | 2018-01-31 | 2018-01-31 | A kind of self-produced sludge drying and incinerating integral system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107904A (en) * | 2018-01-31 | 2019-08-09 | 南京塔川化工设备有限公司 | A kind of self-produced sludge drying and incinerating integral system and its drying and incinerating method |
-
2018
- 2018-01-31 CN CN201820172026.8U patent/CN208042159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107904A (en) * | 2018-01-31 | 2019-08-09 | 南京塔川化工设备有限公司 | A kind of self-produced sludge drying and incinerating integral system and its drying and incinerating method |
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