CN203440222U - Two-sectional type sludge drying and energy recycling system - Google Patents
Two-sectional type sludge drying and energy recycling system Download PDFInfo
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- CN203440222U CN203440222U CN201320414220.XU CN201320414220U CN203440222U CN 203440222 U CN203440222 U CN 203440222U CN 201320414220 U CN201320414220 U CN 201320414220U CN 203440222 U CN203440222 U CN 203440222U
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Abstract
The utility model discloses a two-sectional type sludge drying and energy recycling system which comprises a sludge storage chamber. The two-sectional type sludge drying and energy recycling system is characterized in that an air outlet of the sludge storage chamber is connected with a deodorization reactor through a first fan; a sludge hole of the sludge storage chamber is connected with a sludge inlet end of a drying machine through a sludge pump; a sludge shaping machine is arranged at the sludge outlet end of the drying machine; a belt type drying machine is arranged at the sludge discharge hole of the sludge shaping machine. After the two-sectional type drying mode of the system is adopted, sludge with the water content of 70-85% is ultimately dried into granular sludge with the solid content of 70-90%, the system is high in heat conduction efficiency, small in carrier gas capacity and low in heat loss, generally no dust is caused, a energy recycling system is efficient and energy-saving, the energy saving rate is about 30%, and with the respect of actual application effects, the drying rate and the energy saving rate are greatly improved.
Description
Technical field
The utility model relates to the technical field of sludge drying, specifically a kind of two-stage sludge mummification and energy-recuperation system, particularly its system syndeton.
Background technology
Along with China's rapid development of economy, the continuous quickening of urbanization and town development paces, industry and sanitary sewage quantity discharged are increasing, consequent sludge quantity (mud that comprises drainage pipeline, pumping plant and sewage work) is increasing. and sludge of sewage treatment plant, as the byproduct of sewage disposal, will cause serious secondary pollution if processed not in time.The main treatment technology of mud has landfill, compost, burning, building materials utilization etc. at present, and these processing disposal technologies must pass through this process of mummification.The main Existence dependency dewatered sludge of existing drying technique and equipment back-mixing, heating system heat exchange efficiency are low, the shortcomings such as heat loss amount is large, Dust Capacity is high, restricted the development of sludge treatment disposal technology, so development of new sludge drying device there is vital effect for solving current day by day serious sludge problem.Mud thin layer drying technique is a kind of sludge drying technique of efficient, energy-conservation, safety and environmental protection, now research and develop a kind of two-stage sludge mummification and energy-recuperation system, be mainly used in mummification water ratio and be 70% ~ 85% mud, make mud after mummification reach the water content requirement of final processing disposal technology.
Utility model content
The purpose of this utility model is to provide a kind of two-stage sludge mummification and energy-recuperation system, the sludge drying that can be 70%-85% by water ratio is to the particulate state mud of solid content 70%-90%, and carry energy-recuperation system, and can realize efficient mummification, science is energy-conservation.
To achieve these goals, the technical solution of the utility model is: a kind of two-stage sludge mummification and energy-recuperation system, it comprises mud locker room, it is characterized in that: the venting port of described mud locker room is connected with deodorizing reactor by a blower fan, the mud mouth of mud locker room is connected with the mud entrance end of desiccation machine by sludge pump, the sludge outlet end place of desiccation machine is provided with mud forming machine, and the mud discharge port place of mud forming machine is provided with belt-type drying machine.
This case discloses a kind of two-stage sludge mummification and energy-recuperation system, this system two-part mummification mode, the sludge drying that water ratio is 70%-85% is the most at last to the particulate state mud of solid content 70%-90%, and system heat transfer efficiency is high, and load volume is little, calorific loss is lower, substantially there is no dust, energy-recuperation system is energy-efficient, and fractional energy savings reaches 30% left and right, from practical effect, mummification rate and fractional energy savings significantly improve.
Accompanying drawing explanation
Fig. 1 is the mummification of the utility model two-stage sludge and energy-recuperation system structural representation.
Embodiment
Below in conjunction with drawings and Examples, the utility model will be further described.
The utility model discloses a kind of two-stage sludge mummification and energy-recuperation system, it comprises mud locker room 1, it is different from prior art and is: the venting port of described mud locker room 1 is connected with deodorizing reactor 3 by a blower fan 2, the mud mouth of mud locker room 1 is connected with the mud entrance end of desiccation machine 5 by sludge pump 4, the sludge outlet end place of desiccation machine 5 is provided with mud forming machine 6, and the mud discharge port place of mud forming machine 6 is provided with belt-type drying machine 7.
In the specific implementation, described desiccation machine 5 is provided with wet mud evaporation waste gas outlet near mud entrance end, this wet mud evaporation waste gas outlet is connected with gas-to-gas heat exchanger 10 first entrances by tornado dust collector 8, tornado dust collector 8 places are provided with blower fan 9 No. two, and gas-to-gas heat exchanger 10 first outlets are connected near sludge outlet end place with desiccation machine 5.
?in the specific implementation, described belt-type drying machine 7 opening for feeds are connected with condenser 12 one end by No. three blower fans 11, condenser 12 the other ends are connected with the second entrance of gas-to-gas heat exchanger 10, the second outlet of gas-to-gas heat exchanger 10 is connected with belt-type drying machine 7 discharge ends by reheater 13, belt-type drying machine internal gas flow direction is contrary with mud working direction, between described reheater 13 and boiler 14, form recirculated water steam-return line, aspirating pipeline 15 1 branch lines in this water vapor loop are connected with the inlet mouth of desiccation machine 5 one end, return line one branch line in this water vapor loop is connected with the air outlet of desiccation machine 5 the other ends.
In the specific implementation, the energy recovery drying process of a kind of two-stage sludge mummification and energy-recuperation system, described energy recovery drying process is, first mud car is poured onto mud to state in mud locker room 1, this mud locker room 1 is sealed state, and form negative pressure by a blower fan 2, the body of bleeding enters into deodorizing reactor 3 and carries out deodorizing processing, then the mud in mud locker room 1 is pumped into by sludge pump 4 in the desiccation machine 5 of first paragraph and carries out first paragraph drying and other treatment, this desiccation machine is dividing wall type drying equipment, as thin layer desiccation machine and disc type desiccation machine, thermal medium provides thermal source by sludge drying machine for sludge drying, sludge drying pushes to entering into mud forming machine 6 from desiccation machine afterbody out after the solid content of 40%-50%, mud after extruding is strip, by transfer roller, deliver to the second segment mummification of intaking in belt-type drying machine 7, in first paragraph drying process, the exhaust steam that wet mud steam produces is pumped into and tornado dust collector 8, carries out dedusting by No. two blower fans 9 from wet mud evaporation waste gas outlet, heat steam after dedusting enters into gas-to-gas heat exchanger 10 as thermal source, cooled waste gas is 50 degree-60 degree, this waste gas enters in desiccation machine from afterbody, the carrier gas of the steam being evaporated as mud, belt-type drying machine internal gas flow direction is contrary with mud working direction, this air-flow from the opening for feed of belt-type drying machine out, the inner negative pressure that forms of belt-type drying machine under the effect of No. three blower fans 11, the gas of releasing enters into condenser 12 and carries out condensation removal water vapour, cooled gas enters into gas-to-gas heat exchanger 10 as heat-eliminating medium, entered after heat exchange, this portion gas heats up by reheater 13, then the gas after heating enters into belt-type drying machine as thermal source, the semi-oriented mud of strip of coming is carried in mummification from first paragraph desiccation machine, particulate state mud after the further mummification of belt-type drying machine, the solid content of this particulate state mud is 70%-90%, particulate state mud after cooling enters into Storage Silo.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that the concrete enforcement of the utility model is confined to above-mentioned these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. a two-stage sludge mummification and energy-recuperation system, it comprises mud locker room (1), it is characterized in that: the venting port of described mud locker room (1) is connected with deodorizing reactor (3) by a blower fan (2), the mud mouth of mud locker room (1) is connected with the mud entrance end of desiccation machine (5) by sludge pump (4), the sludge outlet end place of desiccation machine (5) is provided with mud forming machine (6), and the mud discharge port place of mud forming machine (6) is provided with belt-type drying machine (7).
2. a kind of two-stage sludge mummification according to claim 1 and energy-recuperation system, it is characterized in that: described desiccation machine (5) is provided with wet mud evaporation waste gas outlet near mud entrance end, this wet mud evaporation waste gas outlet is connected with gas-to-gas heat exchanger (10) first entrances by tornado dust collector (8), tornado dust collector (8) locate to be provided with No. two blower fans (9), and gas-to-gas heat exchanger (10) first outlets are connected near sludge outlet end place with desiccation machine (5).
3. a kind of two-stage sludge mummification according to claim 1 and energy-recuperation system, it is characterized in that: described belt-type drying machine (7) opening for feed is connected with condenser (12) one end by No. three blower fans (11), condenser (12) the other end is connected with the second entrance of gas-to-gas heat exchanger (10), the second outlet of gas-to-gas heat exchanger (10) is connected with belt-type drying machine (7) discharge end by reheater (13), belt-type drying machine internal gas flow direction is contrary with mud working direction, between described reheater (13) and boiler (14), form recirculated water steam-return line, aspirating pipeline (15) one branch lines in this water vapor loop are connected with the inlet mouth of desiccation machine (5) one end, return line (16) one branch lines in this water vapor loop are connected with the air outlet of desiccation machine (5) the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414220.XU CN203440222U (en) | 2012-12-05 | 2013-07-12 | Two-sectional type sludge drying and energy recycling system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220662619 | 2012-12-05 | ||
| CN201220662619.5 | 2012-12-05 | ||
| CN201320414220.XU CN203440222U (en) | 2012-12-05 | 2013-07-12 | Two-sectional type sludge drying and energy recycling system |
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| Publication Number | Publication Date |
|---|---|
| CN203440222U true CN203440222U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320414220.XU Expired - Lifetime CN203440222U (en) | 2012-12-05 | 2013-07-12 | Two-sectional type sludge drying and energy recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011546A (en) * | 2012-12-05 | 2013-04-03 | 上海巴安水务股份有限公司 | Two-stage sludge drying and energy recovering system and drying process thereof |
-
2013
- 2013-07-12 CN CN201320414220.XU patent/CN203440222U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103011546A (en) * | 2012-12-05 | 2013-04-03 | 上海巴安水务股份有限公司 | Two-stage sludge drying and energy recovering system and drying process thereof |
| CN103011546B (en) * | 2012-12-05 | 2016-12-21 | 上海巴安水务股份有限公司 | A kind of two-stage sludge mummification and energy-recuperation system and drying process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |