CN208187026U - A kind of sludge dehumidification type multistage recuperation of heat anhydration system - Google Patents
A kind of sludge dehumidification type multistage recuperation of heat anhydration system Download PDFInfo
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- CN208187026U CN208187026U CN201820720981.0U CN201820720981U CN208187026U CN 208187026 U CN208187026 U CN 208187026U CN 201820720981 U CN201820720981 U CN 201820720981U CN 208187026 U CN208187026 U CN 208187026U
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- heat
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- heat recovery
- recovery apparatus
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to drying equipment technical fields, provide a kind of sludge dehumidification type multistage recuperation of heat anhydration system, including desiccation apparatus, level-one heat recovery apparatus and second level heat recovery apparatus, and desiccation apparatus is used for sludge drying and generates containing humid gas;Level-one heat recovery apparatus passes to desiccation apparatus for realizing containing the heat exchange between the recirculated cooling water in humid gas and desiccation apparatus, and by the recirculated cooling water after heat exchange after treatment;Second level heat recovery apparatus, for treated carries out after cooling and purified treatment outside discharge system containing humid gas by level-one heat recovery apparatus;Desiccation apparatus includes that drying box and multiple hold items for shelving sludge, each hold item are horizontally placed in drying box.The utility model can be recycled by level-one heat recovery apparatus containing the heat in humid gas, to achieve the purpose that reduce energy consumption, and can will not generate secondary pollution further to being cooled down containing humid gas and carrying out purified treatment by second level heat recovery apparatus.
Description
Technical field
The utility model relates to drying equipment technical field, specially a kind of sludge dehumidification type multistage recuperation of heat desiccation system
System.
Background technique
Existing anhydration system is mainly with rotating disc type drying process, oar blade type drying process, belt-type drying, fluidized bed desiccation
Based on technique etc..However, these anhydration systems are mostly using saturated vapor, conduction oil etc. as heat source, there are energy consumptions high, heat source by
Limit generates the shortcomings that secondary pollution.
Utility model content
The purpose of this utility model is to provide a kind of sludge dehumidification type multistage recuperation of heat anhydration systems, are returned by level-one heat
Receiving apparatus can be recycled containing the heat in humid gas, to achieve the purpose that reduce energy consumption, and can by second level heat recovery apparatus
Further to being cooled down containing humid gas and carrying out purified treatment, secondary pollution will not be generated.
To achieve the above object, the utility model embodiment provides the following technical solutions: a kind of sludge dehumidification type Multi-stage heat
Recycle anhydration system, including desiccation apparatus, level-one heat recovery apparatus and second level heat recovery apparatus;
The desiccation apparatus is used for sludge drying and generates containing humid gas;
The level-one heat recovery apparatus, for realizing the recirculated cooling water containing in humid gas and the desiccation apparatus it
Between heat exchange, and the recirculated cooling water after heat exchange is passed into the desiccation apparatus after treatment;
The second level heat recovery apparatus, for treated described drops containing humid gas by the level-one heat recovery apparatus
After temperature and purified treatment outside discharge system;
The desiccation apparatus includes drying box and multiple hold items for shelving sludge, and each hold item is horizontal
It is placed in the drying box.
Further, the desiccation apparatus further includes the condenser for generating heated-air drying sludge, and the condenser passes through
Circulating fan is connected to the drying box, and the junction of the circulating fan and the drying box is located at each hold item
Lower section.
Further, the equal wind that the hot wind for sending the circulating fan evenly distributes is installed in the drying box
Plate.
Further, the hold item is the supporting network band and leakproof mesh belt being superimposed on together.
Further, the level-one heat recovery apparatus includes the water cooling heat exchanger with hot and cold sides, the desiccation apparatus
With the moisture exhausting port for the discharge containing humid gas, the hot side is connected to the moisture exhausting port;The cold side has to be followed described in confession
The water inlet that ring cooling water enters;The water cooling heat exchanger also have for heat exchange after described in containing humid gas discharge gas outlet,
The gas outlet is communicated with air preheater, and the air preheater is communicated with evaporator, the outlet side connection of the evaporator
To the air preheater, the air preheater is connected to the condenser.
Further, another discharge port of the evaporator is communicated with gas-liquid separator, and the gas-liquid separator is communicated with pressure
Contracting machine, the compressor are connected to the condenser, and the discharge port of the condenser is communicated with liquid storage device, and the liquid storage device is successively
It is communicated with filter and expansion valve, the expansion valve is linked back to the evaporator.
Further, the level-one heat recovery apparatus further includes for cooling down the circulating cooling water cooling tower, the cooling
Tower is set between the water cooling heat exchanger and the flow path of the air preheater.
Further, the second level heat recovery apparatus includes the centrifugal blower and exhaust purifier interconnected, it is described from
Heart blower is connected to the drying box.
Further, it is additionally provided with feed surge device on the drying box and feeds broken former, the feed surge
Device is connected to the broken former of the charging.
Further, the drying box bottom is equipped with the buffering chamber for storing the sludge after drying.
Compared with prior art, the utility model has the beneficial effects that
1. it can be recycled by level-one heat recovery apparatus containing the heat in humid gas, to achieve the purpose that reduce energy consumption,
And secondary dirt can will not be generated further to being cooled down containing humid gas and carrying out purified treatment by second level heat recovery apparatus
Dye.
2. realizing the heat exchange containing humid gas and recirculated cooling water by water cooling heat exchanger, make full use of containing in humid gas
Heat promotes desiccation effect.
It, can be with 3. be used cooperatively by gas-liquid separator, compressor, condenser, liquid storage device, filter and expansion valve
It realizes and heats recycling for working medium in evaporator.
Detailed description of the invention
Fig. 1 is a kind of structural representation of sludge dehumidification type multistage recuperation of heat anhydration system provided by the embodiment of the utility model
Figure;
In appended drawing reference: 1- hold item;2- drying box;3- axial flow blower;4- water cooling heat exchanger;5- centrifugal blower;6-
Exhaust purifier;7- cooling tower;8- air preheater;9- evaporator;10- condenser;11- circulating fan;12- compressor;13-
Gas-liquid separator;14- liquid storage device;15- filter;16- expansion valve;17- moisture exhausting port.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model embodiment provides a kind of sludge dehumidification type multistage recuperation of heat anhydration system, including dry
Makeup sets, level-one heat recovery apparatus and second level heat recovery apparatus.Wherein, the desiccation apparatus, for by sludge drying and producing
It is raw to contain humid gas;The level-one heat recovery apparatus, for realizing the circulating cooling containing in humid gas and the desiccation apparatus
Heat exchange between water, and the recirculated cooling water after heat exchange is passed into the desiccation apparatus after treatment;The second level recuperation of heat
Device, for treated described carries out discharge system after cooling and purified treatment containing humid gas by the level-one heat recovery apparatus
Outside;The desiccation apparatus includes drying box 2 and multiple hold items 1 for shelving sludge, and each hold item 1 is horizontal
In in the drying box 2.In the present embodiment, it can be recycled by level-one heat recovery apparatus containing the heat in humid gas,
To achieve the purpose that reduce energy consumption, and can be further net to being cooled down containing humid gas and being carried out by second level heat recovery apparatus
Change processing, will not generate secondary pollution.The quantity of hold item 1 can select according to the actual situation, if sludge quantity is big, can increase
Add the quantity of hold item 1.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the desiccation apparatus further includes for generating heat
The condenser 10 of dry sludge is air-dried, the condenser 10 is connected to by circulating fan 11 with the drying box 2, the circulated air
The junction of machine 11 and the drying box 2 is located at the lower section of each hold item 1, and drying box 2 is equipped with feed inlet.At this
In embodiment, sludge enters from the feed inlet on drying box 2 in drying box 2, falls on hold item 1, and condenser 10 produces
Heat wind, can be by the sludge drying on hold item 1.Condenser 10 does not need extra heat source by electric drive, can save compared with combustion gas
Can 20% or more, opposite fuel oil can save energy 50% or more, and condenser 10 can control hot blast temperature can allow global temperature
Less than 80 DEG C, volatile substances can be reduced, temperature of charge is low, oxygen content is few, runs safer.Condenser 10 generates
Hot wind as shown in figure 1 shown in the arrow in drying box 2, circulation is generated in drying box 2, drying efficiency can be improved.It is dry
Dry cabinet 2 is additionally provided with axial flow blower 3, and the axial flow blower 3 and circulating fan 11 can make to be formed between hold item 1 and condenser 10
Air circulation.
Above scheme is advanced optimized, the heat for sending the circulating fan 11 is installed in the drying box 2
The homogenating plate that wind evenly distributes.In the present embodiment, homogenating plate is mounted in drying box 2 close to the place that hot wind is come in, this
Sample hot wind can evenly distribute it when entering drying box 2.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the hold item 1 is the branch being superimposed on together
Support mesh belt and leakproof mesh belt.In the present embodiment, supporting network band is played a supporting role, and leakproof mesh belt, which plays, prevents sludge from leaking down
How effect, the two are formed as one hold item 1.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the level-one heat recovery apparatus includes having heat
The water cooling heat exchanger 4 of side and cold side, the desiccation apparatus have a moisture exhausting port 17 for the discharge containing humid gas, the hot side with
The moisture exhausting port 17 is connected to;The cold side has the water inlet entered for the recirculated cooling water;The water cooling heat exchanger 4 also has
Have for heat exchange after described in containing humid gas discharge gas outlet, the gas outlet is communicated with air preheater 8, the air preheat
Device 8 is communicated with evaporator 9, and the outlet side of the evaporator 9 is connected to the air preheater 8, the air preheater 8 and institute
State the connection of condenser 10.In the present embodiment, water cooled 4 cold side of heat exchanger of recirculated cooling water enters water cooling heat exchanger 4 and is changed
Heat heats up, condensing containing humid gas through air preheater 8 and the cooling of evaporator 9 in the recirculated cooling water after heating, condensed
Saturated moist air enters desiccation by circulating fan 11 after absorbing heat into condenser 10 and fills after the heat exchange heating of air preheater 8
Set interior dewatered sludge.
Above scheme is advanced optimized, referring to Fig. 1, another discharge port of the evaporator 9 is communicated with gas-liquid separator
13, the gas-liquid separator 13 is communicated with compressor 12, and the compressor 12 is connected to the condenser 10, the condenser 10
Discharge port be communicated with liquid storage device 14, the liquid storage device 14 has been sequentially communicated filter 15 and expansion valve 16, the expansion valve
16 are linked back to the evaporator 9.In the present embodiment, become low temperature and low pressure steam after working medium heat absorption in evaporator 9, through gas-liquid point
Become high temperature and high pressure steam from device 13 and 12 compressed action of compressor and enters heat release in condenser 10, the cryogenic high pressure liquid after heat release
Body becomes low temperature and low pressure liquid followed by liquid storage device 14, filter 15, expansion valve 16 and is back to evaporator 9, realizes heating work
The circulation of matter.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the level-one heat recovery apparatus further includes being used for
The cooling circulating cooling water cooling tower 7, the cooling tower 7 are set to the stream of the water cooling heat exchanger 4 and the air preheater 8
Between road.In this embodiment, increase cooling tower 7 and carry out cooling down one step ahead, then pass through subsequent 8 He of air preheater again
The further cooling condensation of evaporator 9, can achieve better effect.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the second level heat recovery apparatus includes mutually being connected
Logical centrifugal blower 5 and exhaust purifier 6, the centrifugal blower 5 are connected to the drying box 2.In the present embodiment, from
Heart blower 5, which is drawn, drains into exhaust gas cleaner containing humid gas, can be discharged to outside system, be solved by the purified air of exhaust gas cleaner
Existing anhydration system of having determined can generate the defect of secondary pollution.
As the prioritization scheme of the utility model embodiment, be additionally provided on the drying box 2 feed surge device and into
Expect that broken former, the feed surge device are connected to the broken former of the charging.In the present embodiment, sludge is first from charging
Buffer enters, and plays the role of a buffering in advance, sludge is avoided to stack, and then enters back into pre- in the broken former of charging
It is first crushed, is then fallen on hold item 1 again, the efficiency of desiccation can be improved.Preferably, feeding broken former includes pressure mud
Roller, speed reducer and frequency converter.
As the prioritization scheme of the utility model embodiment, after 2 bottom of drying box is equipped with for storing drying
The buffering chamber of sludge.In the present embodiment, discharging buffering chamber can store the sludge after drying with the short time.Discharge buffering chamber outlet
There is screw conveyor, may be used as discharging.
As the prioritization scheme of the utility model embodiment, this system further includes intelligence control system, intelligence control system
Including controller, temperature sensor, humidity sensor, flow sensor and multiple motor-driven valves, temperature sensor, humidity sensor
Device, flow sensor, heat pump compressor 12 are connect with controller respectively, and temperature sensor and humidity sensor are arranged in drying box
In interior and corresponding pipeline.
In the present invention, the arrow in Fig. 1 is the direction that gas flows through.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of sludge dehumidification type multistage recuperation of heat anhydration system, including desiccation apparatus, level-one heat recovery apparatus and second level heat
Recyclable device;It is characterized by:
The desiccation apparatus is used for sludge drying and generates containing humid gas;
The level-one heat recovery apparatus, for realizing between the recirculated cooling water containing in humid gas and the desiccation apparatus
Heat exchange, and the recirculated cooling water after heat exchange is passed into the desiccation apparatus after treatment;
The second level heat recovery apparatus, for by the level-one heat recovery apparatus treated it is described containing humid gas carry out cooling and
After purified treatment outside discharge system;
The desiccation apparatus includes drying box and multiple hold items for shelving sludge, and each hold item is horizontally placed on
In the drying box.
2. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as described in claim 1, it is characterised in that: the desiccation dress
Setting further includes condenser for generating heated-air drying sludge, and the condenser is connected by circulating fan and the drying box
Logical, the junction of the circulating fan and the drying box is located at the lower section of each hold item.
3. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as claimed in claim 2, it is characterised in that: the drying box
It is installed on the homogenating plate that the hot wind for sending the circulating fan evenly distributes in vivo.
4. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as described in claim 1, it is characterised in that: the hold item
To be superimposed on supporting network band and leakproof mesh belt together.
5. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as claimed in claim 2, it is characterised in that: the level-one heat
Recyclable device includes the water cooling heat exchanger with hot and cold sides, and the desiccation apparatus has the row for the discharge containing humid gas
Wet mouth, the hot side are connected to the moisture exhausting port;The cold side has the water inlet entered for the recirculated cooling water;The water
Cold heat exchanger also has the gas outlet for the discharge containing humid gas described in after heat exchange, and the gas outlet is communicated with air preheater,
The air preheater is communicated with evaporator, and the outlet side of the evaporator is connected to the air preheater, and the air is pre-
Hot device is connected to the condenser.
6. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as claimed in claim 5, it is characterised in that: the evaporator
Another discharge port be communicated with gas-liquid separator, the gas-liquid separator is communicated with compressor, the compressor and the condensation
Device connection, the discharge port of the condenser are communicated with liquid storage device, and the liquid storage device has been sequentially communicated filter and expansion valve, institute
Expansion valve is stated to be linked back to the evaporator.
7. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as claimed in claim 5, it is characterised in that: the level-one heat
Recyclable device further include for cooling down the circulating cooling water cooling tower, the cooling tower be set to the water cooling heat exchanger with it is described
Between the flow path of air preheater.
8. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as described in claim 1, it is characterised in that: the second level heat
Recyclable device includes the centrifugal blower and exhaust purifier interconnected, and the centrifugal blower is connected to the drying box.
9. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as described in claim 1, it is characterised in that: the drying box
It is additionally provided with feed surge device on body and feeds broken former, the feed surge device and the broken former of the charging connect
It is logical.
10. a kind of sludge dehumidification type multistage recuperation of heat anhydration system as described in claim 1, it is characterised in that: the drying
The bottom of box is equipped with the buffering chamber for storing the sludge after drying.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108426426A (en) * | 2018-05-15 | 2018-08-21 | 武汉都市环保工程技术股份有限公司 | A kind of sludge dehumidification type multistage recuperation of heat anhydration system |
CN110173967A (en) * | 2019-06-26 | 2019-08-27 | 北京中矿环保科技股份有限公司 | The drying method of the anhydration system of aqueous coal product and aqueous coal product |
-
2018
- 2018-05-15 CN CN201820720981.0U patent/CN208187026U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108426426A (en) * | 2018-05-15 | 2018-08-21 | 武汉都市环保工程技术股份有限公司 | A kind of sludge dehumidification type multistage recuperation of heat anhydration system |
CN110173967A (en) * | 2019-06-26 | 2019-08-27 | 北京中矿环保科技股份有限公司 | The drying method of the anhydration system of aqueous coal product and aqueous coal product |
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Address after: 430205 No. 59 Liufang Avenue, Donghu High-tech Development Zone, Wuhan City, Hubei Province Patentee after: Zhongye Southern Urban Environmental Protection Engineering Technology Co., Ltd. Address before: 430205 No. 59 Liufang Road, CCEPC Industrial Park, Donghu High-tech Zone, Wuhan City, Hubei Province Patentee before: Wuhan Urban Environment Protection Engineering Techn Co., Ltd. |