CN208532561U - A kind of municipal wastewater energy processing system - Google Patents
A kind of municipal wastewater energy processing system Download PDFInfo
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- CN208532561U CN208532561U CN201920016395.2U CN201920016395U CN208532561U CN 208532561 U CN208532561 U CN 208532561U CN 201920016395 U CN201920016395 U CN 201920016395U CN 208532561 U CN208532561 U CN 208532561U
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- carrier gas
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- disc dryer
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Abstract
The utility model relates to a kind of municipal wastewater energy processing systems, including wet mud storehouse, disc dryer, sludge incinerator and the lime-ash molding equipment being sequentially communicated, the exhaust outlet in wet mud storehouse is communicated with the first jet dynamic control, the exhaust outlet of first jet dynamic control is connected to the first carrier gas inlet of disc dryer, and the first carrier gas outlet of the disc dryer has flue gas purification system；The exhanst gas outlet of the sludge incinerator is connected to the first carrier gas inlet of disc dryer, first carrier gas inlet and the first carrier gas outlet.The utility model is turned waste into wealth, and using wet mud marsh gas power generation and dewatered sludge power generation by waste combustion, is converted high-quality electric energy for useless sludge, is alleviated urban electric power supply pressure.Meanwhile the energy cascade utilization of sludge is also achieved, waste heat is used as sludge and dries heat source after wet mud marsh gas power generation and dewatered sludge power generation by waste combustion, and the lime-ash after dewatered sludge is burned has been fabricated to building materials, and sludge energy resource is suffered all and is drained.
Description
Technical field
The utility model belongs to environment protection field, is related to a kind of municipal wastewater energy processing system.
Background technique
Currently, city domestic sewage is increasing, there are also a large amount of dry solids in sewage, in sewage treatment plant and sludge treatment
The operation pressure of the heart increasingly increases.It is common according to " urban sewage treatment plant sludge disposition classification " (GB/T23484-2009)
Sludge treating method includes that land use, landfill and building materials utilize.A kind of mode of the sludge incineration as sludge treatment, sludge
Minimizing, stabilisation are very thorough, and lime-ash is only the 7.5% of raw sewage dry solid after burning, are either utilized as building materials
Or landfill, consumption that can be safe and stable, therefore sludge incineration is both the process of Treatment of Sludge, represents a kind of dirt
Mud disposal options.
The existing patented technology to Treatment of Sludge is predominantly following several: 1, to the research of sludge drying, (" sludge is dried
Machine " application number: 201610026803.3 and " sludge dewatering system " application number: 201510578425.5).2, to Treatment of Sludge
Study (" pretreatment of sludge " application number: 201280032743.6).3, to the research of sludge conveying system (" sludge transport system
System " application number: 201810720611.1).4, to the research of sludge incineration (" sludge incinerator " application number:
201610387582.2).5, to the application study of sludge methane (" methane tank sludge utilization technology " application number:
201110175413.X).6, to sludge be converted into fertilizer research (" a kind of sludge using system " application number:
201720622363.8).
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of municipal wastewater energy processing system
Municipal wastewater itself chemical energy is converted to thermal energy, electric energy by system, realizes the energy benefit that sewage is taken into account while sewage treatment
With.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:
A kind of municipal wastewater energy processing system, including be sequentially communicated wet mud storehouse, disc dryer, sludge incineration
Furnace and lime-ash molding equipment, the exhaust outlet in wet mud storehouse are communicated with the first jet dynamic control, first jet dynamic control
Exhaust outlet is connected to the first carrier gas inlet of disc dryer, and the first carrier gas outlet of the disc dryer has flue gas net
Change system；The exhanst gas outlet of the sludge incinerator is connected to the first carrier gas inlet of disc dryer, first carrier gas into
Mouth and the first carrier gas outlet.
In this way, the sewage fermentation stored in wet mud storehouse, generates biogas, solid content is reduced, and the first jet dynamic control can
Using the marsh gas power generation, institute's electricity can surf the Internet sale, and the high-temperature flue gas that the power generation of the first jet dynamic control generates passes through first
Carrier gas inlet enters in disc dryer, and sewage is dried, and obtains the sludge that moisture content is about 30wt% after dry,
Subsequent sludge enters sludge incinerator burning, and the high-temperature flue gas of generation is sent into disc dryer and is used as heat source all the way, burns and generate
Lime-ash the effigurate block of tool can be made up of lime-ash molding equipment be further processed, or building materials are made, it is real
Existing resource utilization.Whole system, sewage drying process mainly utilize sewage itself chemical energy conversion gained thermal energy, can also send out
Electricity, fume afterheat utilization rate is high, is realizing the recovery energy that sewage is realized while sewage treatment.
Optionally, disc dryer described in patent CN107601808A can be used in the disc dryer.
It further, further include centrifugal dehydrator, the water outlet of the centrifugal dehydrator and the water inlet in wet mud storehouse connect
It is logical.In this way, municipal wastewater to be processed is delivered to wet mud storehouse after being dehydrated by centrifugal dehydrator, moisture content can be from sewage
98.5wt% is reduced to 80wt% or so, improves sludge concentration in sewage, is conducive to the generation of biogas in wet mud storehouse.
Further, continuous feeder is equipped between the discharge port in the wet mud storehouse and the feed inlet of disc dryer
Structure, the continuous-feeding mechanism include the positive pressure batcher and sludge pump being sequentially communicated, and are continuously fed with realizing to disc dryer
Material.Optionally, the positive pressure batcher is positive pressure screw(-type) feeder.
Further, the wet mud storehouse is mainly made of carbon steel, and wet mud storehouse is made of the part such as warehouse, hydraulic station,
Rectangle heavy caliber discharge port is located at warehouse bottom.In warehouse can mating hydraulic moving balladeur train prevent sludge arch camber, it is hardened phenomena such as
Generation；It is equipped with material position display in warehouse, to monitor situation in warehouse, and has accident alarming and system emergency stops function.
Preferably, biogas collection device is equipped in wet mud storehouse, to collect the biogas generated and send to the first fuel gas generation
Unit generation.
It further, further include the second jet dynamic control, the exhaust outlet and disk of second jet dynamic control are dry
First carrier gas inlet of dry machine is connected to.
Further, optionally, the first carrier gas passage and the second carrier gas for heat supply are equipped in the disc dryer
Channel, first carrier gas passage and the second carrier gas passage are set side by side, and the second carrier gas inlet of second carrier gas passage connects
It is connected with gas-steam boiler, the second carrier gas outlet of second carrier gas passage has condensate water recovery device, the sludge
Steam oven is equipped in incinerator, the water outlet of the condensate water recovery device is connected to steam oven, the gas outlet of the steam oven
It is communicated with steam-electric power unit.In this way, disc dryer is steam/flue gas double heat source, condensate water recovery device is obtained cold
Condensate temperature can be sent into steam oven up to 90 DEG C or so, generate high-temperature steam and be used as power generation energy resource, realize the efficient benefit of the energy
With.When the high-temperature flue gas that the first jet dynamic control and sludge incinerator provide is insufficient for the heat of sludge baking needed
When, gas-steam boiler can be opened, steam source is provided, as external energy, auxiliary drying.
Further, the disc dryer is connected to sludge incinerator by screw(-type) feeder.
Containing ingredients such as a large amount of ash content, aluminium, iron in sludge lime-ash, can be used as applied to brickmaking, cement, haydite, activity
The production of charcoal, melting light material and biochemical fiberboard, dewatered sludge lime-ash remaining after incinerator burning pass through lime-ash
Molding equipment is fabricated to related building material.
Further, sewage treatment plant is generally remotely located from the electricity consumption non-dense set area in city, individually build transmission system at
This is higher, and when the first jet dynamic control generated energy is not able to satisfy sewage plant power demand, mini gas point can be set
Cloth energy resource system, i.e., using the power generation online of the second jet dynamic control, the high-temperature flue gas after power generation enters disc dryer and mentions
For drying source all the way.
In the utility model, corresponding conventional existing structure is can be used in jet dynamic control and steam-electric power unit.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, turn waste into wealth, using wet mud marsh gas power generation and dewatered sludge power generation by waste combustion, convert Gao Pin for useless sludge
Matter electric energy alleviates urban electric power supply pressure.
2, the energy cascade utilization of sludge is realized, waste heat is used as dirt after wet mud marsh gas power generation and dewatered sludge power generation by waste combustion
Mud dries heat source, and the lime-ash after dewatered sludge is burned has been fabricated to building materials, and sludge energy resource is suffered all and is drained.
3, municipal sludge consumption problem has been effectively relieved, has realized sludge reduction, using change, is national energy-saving
Emission reduction is made that contribution.
Detailed description of the invention
Fig. 1 is the structural plan of the municipal wastewater energy processing system of the utility model the first embodiment.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
It is dry including the wet mud storehouse 2 that is sequentially communicated, disk as shown in Figure 1, a kind of municipal wastewater energy processing system
Machine 4, sludge incinerator 7 and lime-ash molding equipment 8, the exhaust outlet in wet mud storehouse 2 are communicated with the first jet dynamic control 3, this
The exhaust outlet of one jet dynamic control 3 is connected to the first carrier gas inlet of disc dryer 4, and the first of the disc dryer 4
Carrier gas outlet has flue gas purification system 5；First carrier gas of the exhanst gas outlet and disc dryer 4 of the sludge incinerator 7
Inlet communication, first carrier gas inlet and the first carrier gas outlet.
It further include centrifugal dehydrator 1, the water outlet of the centrifugal dehydrator 1 is connected to the water inlet in wet mud storehouse 2.
Continuous-feeding mechanism, the company are equipped between the discharge port in the wet mud storehouse 2 and the feed inlet of disc dryer 4
Continuous feeder includes the positive pressure batcher 12 and sludge pump 13 being sequentially communicated.
It further include the second jet dynamic control 10, the exhaust outlet and disc dryer 4 of second jet dynamic control 10
The first carrier gas inlet connection.
The first carrier gas passage and the second carrier gas passage for heat supply are equipped in the disc dryer 4, described first carries
Gas channel and the second carrier gas passage are set side by side, and the second carrier gas inlet of second carrier gas passage is communicated with gas-steam boiler
11, the second carrier gas outlet of second carrier gas passage has condensate water recovery device 6, is equipped in the sludge incinerator 7
The water outlet of steam oven, the condensate water recovery device 6 is connected to steam oven, and the gas outlet of the steam oven is communicated with steam hair
Motor group 9.
The disc dryer 4 is connected to sludge incinerator 7 by screw(-type) feeder 14.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (6)
1. a kind of municipal wastewater energy processing system, which is characterized in that dry including the wet mud storehouse (2) that is sequentially communicated, disk
Dry machine (4), sludge incinerator (7) and lime-ash molding equipment (8), the exhaust outlet of wet mud storehouse (2) are communicated with the first fuel gas generation
The exhaust outlet of unit (3), first jet dynamic control (3) is connected to the first carrier gas inlet of disc dryer (4), the circle
First carrier gas outlet of disk drying machine (4) has flue gas purification system (5)；The exhanst gas outlet of the sludge incinerator (7) with
First carrier gas inlet of disc dryer (4) is connected to, first carrier gas inlet and the first carrier gas outlet.
2. municipal wastewater energy processing system according to claim 1, which is characterized in that further include centrifugal dehydrator
(1), the water outlet of the centrifugal dehydrator (1) is connected to the water inlet of wet mud storehouse (2).
3. municipal wastewater energy processing system according to claim 1, which is characterized in that the wet mud storehouse (2)
Continuous-feeding mechanism is equipped between discharge port and the feed inlet of disc dryer (4), the continuous-feeding mechanism includes successively connecting
Logical positive pressure batcher (12) and sludge pump (13).
4. municipal wastewater energy processing system according to claim 1, which is characterized in that further include the second fuel gas generation
The exhaust outlet of unit (10), second jet dynamic control (10) is connected to the first carrier gas inlet of disc dryer (4).
5. municipal wastewater energy processing system according to claim 1, which is characterized in that the disc dryer (4)
Interior the first carrier gas passage and the second carrier gas passage being equipped with for heat supply, first carrier gas passage and the second carrier gas passage are arranged side by side
Setting, the second carrier gas inlet of second carrier gas passage are communicated with gas-steam boiler (11), second carrier gas passage
Second carrier gas outlet has condensate water recovery device (6), and steam oven, the condensed water are equipped in the sludge incinerator (7)
The water outlet of recyclable device (6) is connected to steam oven, and the gas outlet of the steam oven is communicated with steam-electric power unit (9).
6. municipal wastewater energy processing system according to claim 1, which is characterized in that the disc dryer (4)
It is connected to sludge incinerator (7) by screw(-type) feeder (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016395.2U CN208532561U (en) | 2019-01-07 | 2019-01-07 | A kind of municipal wastewater energy processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016395.2U CN208532561U (en) | 2019-01-07 | 2019-01-07 | A kind of municipal wastewater energy processing system |
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| CN208532561U true CN208532561U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
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2019
- 2019-01-07 CN CN201920016395.2U patent/CN208532561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
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