CN205119088U - Sludge drying's vent gas treatment system in - Google Patents
Sludge drying's vent gas treatment system in Download PDFInfo
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- CN205119088U CN205119088U CN201520796032.7U CN201520796032U CN205119088U CN 205119088 U CN205119088 U CN 205119088U CN 201520796032 U CN201520796032 U CN 201520796032U CN 205119088 U CN205119088 U CN 205119088U
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- sludge
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- drying
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Abstract
The utility model relates to a sludge drying's vent gas treatment system in, it contains a burner, a tail gas processing apparatus and a sludge drying device, this tail gas processing apparatus is used for handling the produced burning tail gas of this burner, leading -in this sludge drying device of a drying gas flow and take away this sludge drying device in treat moisture of dry mud institute, and form a moisture jet exit, selectively get into this tail gas processing apparatus and one of them person of this burner by the moisture air current of this sludge drying device exhaust, therefore, the utility model discloses the produced tail gas of ability efficient handling sludge drying process, and the cost of installation is lower, can exert high cost benefit.
Description
Technical field
The utility model is about a kind of gas handling system, particularly a kind of exhaust treatment system of drying sludge.
Background technology
Mud is the solid waste produced in wastewater treatment process, along with adding of the fast development of domestic economy and environmental regulation is tight, the process water yield of Sewage Plant constantly improves, the sludge quantity produced also increases day by day, because the sludge volume emitted from sewage treatment plant is very huge and moisture content is higher, for allowing mud can reach the objects such as minimizing, stabilisation, innoxious and resource, process must be dehydrated to it.
Because mud can produce the pernicious gas such as foul smell, chlorine in dry run, and easily produce stench, to arround the common people produce many puzzlements, therefore must the tail gas that drying sludge produces be processed, if but directly dry mud with steam or flue gas, its tail gas, when not only increasing intractability with when a large amount of steam, also can increase the cost of process.
Utility model content
Because above-mentioned disappearance, the purpose of this utility model is the exhaust treatment system providing a kind of drying sludge, and the air-flow of discharging after its drying sludge, except directly carrying out vent gas treatment, also can import in burner and incinerate, and then dried tail gas is dealt carefully with, reduce stench.
For reaching above-mentioned purpose, the utility model provides a kind of exhaust treatment system of drying sludge, it is characterized in that, there is a burner, one exhaust gas processing device and a sludge drying mechanism, this exhaust gas processing device processes the combustion tail gas that this burner produces, this sludge drying mechanism comprises a hothouse, one air inlet, one exhaust outlet, one sludge inlet and a sludge outlet, this air inlet, exhaust outlet, sludge inlet and sludge outlet are all communicated in this hothouse, mud to be dried imports this hothouse via this sludge inlet and is discharged by this sludge outlet, one dry gas stream imports this hothouse via this air inlet and takes away this mud institute's water content to be dried and form one containing water flow, should discharge via this exhaust outlet containing water flow, that is discharged by this sludge drying mechanism selectively enters this exhaust gas processing device and one of them person of this burner containing water flow.
It also comprises a heat exchanger, this heat exchanger has one first path and one second path, the combustion tail gas of being discharged by this burner enters this heat exchanger via this first path, one air draught enters this heat exchanger via this second path and this combustion tail gas carries out heat exchange, the air draught after heat exchange process form this dry gas stream at least partially at least partially.
A part for air draught wherein after heat exchange process is imported into this burner.
Wherein should be imported into this burner at least partially containing water flow, the flow that should be imported into this burner containing water flow not higher than be imported into this burner air draught flow 1/10th.
If wherein this sludge drying mechanism moisture air flow rate of discharging higher than be imported into this burner air draught flow 1/10th, then the described of a part is more imported into this exhaust gas processing device containing water flow.
Wherein this exhaust gas processing device is electrostatic precipitator, desulfurizing tower or its combination.
Thus, the dried tail gas that drying sludge process produces can be dealt carefully with, and then just externally discharges, and reduces the impact on surrounding environment, and the exhaust gas processing device of existing burner of can directly arranging in pairs or groups, thus significantly reduce the setup cost of exhaust treatment system.
Accompanying drawing explanation
For further illustrating technology contents of the present utility model, be described in detail as follows below in conjunction with embodiment and accompanying drawing, wherein:
Fig. 1 is the system schematic of the utility model first embodiment.
Detailed description of the invention
Fig. 1 is the exhaust treatment system 1 of the drying sludge that the utility model first embodiment provides, and it comprises burner 10, heat exchanger 20, air blast 25, sludge drying mechanism 30 and an exhaust gas processing device 40.
This burner 10 produces a combustion tail gas, sequentially enters this heat exchanger 20 and this exhaust gas processing device 40, and processes this combustion tail gas by this exhaust gas processing device 40.Described burner 10 can be but is not limited to the burner in existing commercial running, the burning boiler of such as fire coal, fuel oil, gas power plant or refuse incinerator.
This heat exchanger 20 has one first path 21 and one second path 23, the combustion tail gas of being discharged by this burner 10 enters this heat exchanger 20 via this first path 21, one air draught enters this heat exchanger 20 via this second path 23 to carry out heat exchange with this combustion tail gas, portion of air air-flow after heat exchange process forms a dry gas stream and imports this sludge drying mechanism 30, and it is combustion-supporting that another part imports this burner 10.In the present embodiment, this air blast 25 is in order to import the second path 23 of this heat exchanger 20 by this air draught, also the mode that this air draught enters this heat exchanger 20 optionally can be changed in other embodiments, one air exhauster such as can be set and air be drawn into this heat exchanger 20 etc., this heat exchanger 20 also visual demand is replaced as other equipment, such as heater etc., in other embodiments, at least the air draught of local can not enter this heat exchanger 20, and directly imports in this sludge drying mechanism 30 or this burner 10.
In the embodiment that other are possible, between burner and exhaust gas processing device, more than one heat exchanger can be set, thus the heat energy of combustion tail gas be reclaimed as much as possible.
This sludge drying mechanism 30 comprises a hothouse 31, one air inlet 33, one exhaust outlet 35, one sludge inlet 37 and a sludge outlet 39, this air inlet 33, exhaust outlet 35, sludge inlet 37 and sludge outlet 39 are all communicated in this hothouse 31, mud to be dried imports this hothouse 31 via this sludge inlet 37 and discharged by this sludge outlet 39, this dry gas stream imports this hothouse 31 via this air inlet 33 and takes away this mud institute's water content to be dried and form one containing water flow, should discharge via this exhaust outlet 35 containing water flow, the water flow that contains after discharge selectively enters this exhaust gas processing device 40 or this burner 10, or enter this exhaust gas processing device 40 and this burner 10 simultaneously.
Say further, should all can import this exhaust gas processing device 40 containing water flow and process, or optionally can all import this burner 10.When this is imported into this burner 10 containing water flow, its flow with not higher than be imported into this burner 10 air draught flow 1/10th for good, if higher than 1/10th, then unnecessaryly can be guided preferentially this exhaust gas processing device 40 containing water flow.Or, also can should carry out shunting and importing this exhaust gas processing device 40 and this burner 10 simultaneously containing water flow.Wherein, this exhaust gas processing device 40 can be electrostatic precipitator, desulfurizing tower or its combination.
Thus, the exhaust treatment system 1 of the drying sludge that the utility model provides not only can carry out vent gas treatment for should directly import this exhaust gas processing device 40 containing water flow, also can enter burning process in this burner 10, the organic principle in dried tail gas properly can be removed, reduce stench.And can arrange in pairs or groups existing burner and exhaust gas processing device thereof of exhaust treatment system of the present utility model is arranged in the lump, and therefore setup cost is lower, can play high cost benefit.
Above are only the explanation of the utility model embodiment, can not as the scope limiting the utility model enforcement, the easy structure retouching that other every not unconventional the utility model spirit are done or change, must belong to the category that the utility model is intended to protect.
Claims (6)
1. the exhaust treatment system of a drying sludge, it is characterized in that, there is a burner, one exhaust gas processing device and a sludge drying mechanism, this exhaust gas processing device processes the combustion tail gas that this burner produces, this sludge drying mechanism comprises a hothouse, one air inlet, one exhaust outlet, one sludge inlet and a sludge outlet, this air inlet, exhaust outlet, sludge inlet and sludge outlet are all communicated in this hothouse, mud to be dried imports this hothouse via this sludge inlet and is discharged by this sludge outlet, one dry gas stream imports this hothouse via this air inlet and takes away this mud institute's water content to be dried and form one containing water flow, should discharge via this exhaust outlet containing water flow, that is discharged by this sludge drying mechanism selectively enters this exhaust gas processing device and one of them person of this burner containing water flow.
2. the exhaust treatment system of drying sludge as claimed in claim 1, it is characterized in that, it also comprises a heat exchanger, this heat exchanger has one first path and one second path, the combustion tail gas of being discharged by this burner enters this heat exchanger via this first path, one air draught enters this heat exchanger via this second path and this combustion tail gas carries out heat exchange, the air draught after heat exchange process form this dry gas stream at least partially at least partially.
3. the exhaust treatment system of drying sludge as claimed in claim 2, it is characterized in that, a part for the air draught wherein after heat exchange process is imported into this burner.
4. the exhaust treatment system of drying sludge as claimed in claim 1, it is characterized in that, wherein should be imported into this burner at least partially containing water flow, the flow that should be imported into this burner containing water flow not higher than be imported into this burner air draught flow 1/10th.
5. the exhaust treatment system of drying sludge as claimed in claim 4, it is characterized in that, if wherein this sludge drying mechanism moisture air flow rate of discharging higher than be imported into this burner air draught flow 1/10th, then the described of a part is more imported into this exhaust gas processing device containing water flow.
6. the exhaust treatment system of drying sludge as claimed in claim 1, is characterized in that, wherein this exhaust gas processing device is electrostatic precipitator, desulfurizing tower or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796032.7U CN205119088U (en) | 2015-10-15 | 2015-10-15 | Sludge drying's vent gas treatment system in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796032.7U CN205119088U (en) | 2015-10-15 | 2015-10-15 | Sludge drying's vent gas treatment system in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205119088U true CN205119088U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520796032.7U Active CN205119088U (en) | 2015-10-15 | 2015-10-15 | Sludge drying's vent gas treatment system in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205119088U (en) |
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2015
- 2015-10-15 CN CN201520796032.7U patent/CN205119088U/en active Active
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| GR01 | Patent grant |