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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
heat
sludge
level
heat recovery
recovery apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820720981.0U
Other languages
Chinese (zh)
Inventor
汪迪
秦诗友
吴朝阳
孙东刚
许松
高智荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China City Environment Protection Engineering Ltd
Original Assignee
China City Environment Protection Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China City Environment Protection Engineering Ltd filed Critical China City Environment Protection Engineering Ltd
Priority to CN201820720981.0U priority Critical patent/CN208187026U/en
Application granted granted Critical
Publication of CN208187026U publication Critical patent/CN208187026U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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

A kind of sludge dehumidification type multistage recuperation of heat anhydration system
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.
CN201820720981.0U 2018-05-15 2018-05-15 A kind of sludge dehumidification type multistage recuperation of heat anhydration system Active CN208187026U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820720981.0U CN208187026U (en) 2018-05-15 2018-05-15 A kind of sludge dehumidification type multistage recuperation of heat anhydration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820720981.0U CN208187026U (en) 2018-05-15 2018-05-15 A kind of sludge dehumidification type multistage recuperation of heat anhydration system

Publications (1)

Publication Number Publication Date
CN208187026U true CN208187026U (en) 2018-12-04

Family

ID=64430427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820720981.0U Active CN208187026U (en) 2018-05-15 2018-05-15 A kind of sludge dehumidification type multistage recuperation of heat anhydration system

Country Status (1)

Country Link
CN (1) CN208187026U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN107285592B (en) Two-stage serial heat pump sludge dryer
CN110127984B (en) Sludge low-temperature heat pump drying equipment
CN108426426A (en) A kind of sludge dehumidification type multistage recuperation of heat anhydration system
CN103575077B (en) A kind of Multi-layer belt type drying system
CN107152856B (en) A kind of heat pump sludge drier of evaporator pre-cooling
CN102992575B (en) Steam thermal cycle sludge drying method and system
WO2015176570A1 (en) Method and apparatus for high-moisture, lower heating value lignite drying and water recovery in generator set
CN103408213B (en) Energy-saving off-gas self-lazy circular sludge drying system and application method thereof
CN202915682U (en) Drying system recycling waste heat steam heat
CN206970447U (en) Sludge at low temperature dehumidifying anhydration system
CN106430901A (en) Moisture discharge and drying system for sludge
CN203487024U (en) Heat pump low temperature sludge drying treatment system
CN105466157B (en) Used heat is used for the vacuum tube bank drying system of multiple-effect evaporation and pneumatic conveying drying
CN102603937B (en) Flash drying and internal heated fluidized bed drying system and process special for chlorinated polyethylene
CN103575081B (en) Fermented feed drying method
CN201694934U (en) Sludge blade drying system
CN101769675A (en) Paddy dryer with heat return type heat pump
CN208187026U (en) A kind of sludge dehumidification type multistage recuperation of heat anhydration system
CN111336783A (en) High-temperature heat pump grain drying system based on waste heat recovery
CN105327765B (en) A kind of high-moisture low-order coal powder and water reclamation system and method
CN102967134A (en) Drying system and process for recovering heat from waste heat steam
CN203048755U (en) Steam heat-cycling sludge drying system
CN103575082A (en) Fermented feed drying system
CN208776558U (en) Sludge drying and tail gas recycle concentration device
CN203586725U (en) Fermented forage drying device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

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.