CN207391233U - Purification and heat recovery system for the exhaust gas of sludge drying - Google Patents
Purification and heat recovery system for the exhaust gas of sludge drying Download PDFInfo
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- CN207391233U CN207391233U CN201720695962.2U CN201720695962U CN207391233U CN 207391233 U CN207391233 U CN 207391233U CN 201720695962 U CN201720695962 U CN 201720695962U CN 207391233 U CN207391233 U CN 207391233U
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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
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- 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
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Abstract
The utility model discloses purification and the heat recovery system of the exhaust gas for sludge drying, including：First heat exchange flow path, the first heat exchange flow path include First Heat Exchanger and the second heat exchanger, and the first heat transferring medium cycles in the first heat exchange flow path, and heat in the First Heat Exchanger to be supplied to the processing gas of mud drying device；Second purification and heat exchange flow path, second purification and heat exchange flow path include the heat exchange case for accommodating second liquid heat transferring medium, the exhaust gas discharged from mud drying device is entered the heat exchange case so that the exhaust gas is subject to the cleaning of the second liquid heat transferring medium and transfers heat to the second liquid heat transferring medium to be cooled down；And the second liquid heat transferring medium transfers heat to first heat transferring medium in second heat exchanger.
Description
Technical field
The utility model is related to purify and heat recovery system, more particularly relate to the exhaust gas of sludge drying purification and
Heat recovery system.
Background technology
Sludge drying refers to the process of by removing most of water content the effects that diafiltration or evaporation from sludge.At present,
Sludge drying processing is a kind of effective method for sludge treatment.Drying and other treatment usually can all use direct-type desiccation now, in dirt
Substantial amounts of exhaust gas can be released during mud heat drying, complicated component is various, is the mixture of various organic-inorganic gases, such as
Directly discharge can cause ambient enviroment serious secondary pollution, human habitat be endangered serious.In addition, in sludge drying
In processing, the exhaust gas temperature of discharge is also higher.Therefore, exhaust gas as directly discharging causes the loss of amount of heat.
For the exhaust gas that sludge drying processing generates, have been developed that some processing modes, for example, biofiltration process or
Utilize waste gas absorption tower, deduster etc..Exhaust gas discharges after treatment, and the heat that exhaust gas carries is not recovered and sharp again
With so as to add desiccation energy consumption cost.
Also have been developed that in the prior art some to exhaust gas carry out heat recovery modes, such as it is rotary-type heat exchange,
Plate fin heat-exchanging, heat pipe type heat exchanger, the heat exchange of intermediate medium formula etc..For example, in Chinese patent open source literature CN101618931A,
The carrier gas outlet of open sludge dryer is passed through the evaporator in heat pump system, and heat is provided for the heat absorption evaporation in evaporator,
Then tail gas is discharged from evaporator.Similarly, it is open to dirt in another Chinese patent open source literature CN101774743A
Steam heat in the tail gas that mud desiccation generates carries out recuperation of heat by recovery of latent heat heat pump.However, these recuperation of heat modes
Efficiency is all than relatively low, and the sludge impurity contained in exhaust gas can block heat recovery equipment and cause to corrode.
The above-mentioned processing mode of the exhaust gas generated in sludge drying is all difficult to realize effective exhaust-gas treatment and heat simultaneously
Recycle function.
Accordingly, there exist the demands for being further improved exhaust-gas treatment.
Utility model content
In order to realize above-mentioned target, the utility model provides a kind of purification of exhaust gas for sludge drying and recuperation of heat system
System, including：First heat exchange flow path, the first heat exchange flow path include First Heat Exchanger and the second heat exchanger, and first changes
Thermal medium cycles in the first heat exchange flow path, and is heated in the First Heat Exchanger for being supplied to sludge drying
The processing gas of device；Second purification and heat exchange flow path, second purification and heat exchange flow path include accommodating second liquid
The heat exchange case of heat transferring medium, from mud drying device discharge exhaust gas be entered the heat exchange case so that the exhaust gas by
To the second liquid heat transferring medium cleaning and transfer heat to the second liquid heat transferring medium to be cooled down；And
The second liquid heat transferring medium transfers heat to first heat transferring medium in second heat exchanger.
The exhaust gas discharged from mud drying device is entered heat exchange case, and the second liquid in heat exchange case is not only subject to change
The cleaning of thermal medium, and heat exchange is carried out with the second liquid heat transferring medium in heat exchange case, so as to which heat is shifted
Into second liquid heat transferring medium to achieve the purpose that cooling.Therefore the second liquid heat transferring medium heats up, and the after heating
Two liquid heat transfer mediums carry out heat exchange with the first heat transferring medium in the second heat exchanger again, and heat, which is transferred to the first heat exchange, to be situated between
In matter, the first heat transferring medium transfers heat to the processing gas of mud drying device to be supplied to again.Thus recuperation of heat is improved
Efficiency realizes better energy-saving effect.Pass through exhaust gas and second liquid heat transferring medium, second liquid heat transferring medium and the first heat exchange
The heat conversion of medium, can fully recycle heat, reduce heat loss.Meanwhile exhaust gas is also subject to the abundant cleaning of liquid, removal
Sludge impurity therein.
The utility model for sludge drying exhaust gas purification and heat recovery system, the air from external environment via
Compressor reaches first heat exchanger.First heat exchanger heats air, and the air then heated flows to ventilation dress along path
It puts.The hot-air to pressurize by ventilation device enters mud drying device along path.Hot-air is in mud drying device to dirt
Mud forms tail gas after carrying out drying and other treatment or exhaust gas, the exhaust gas flow to gas distributing device along path.Exhaust gas is via air inlet pipeline
It is equably discharged by gas distributing device in the second liquid heat transferring medium in heat exchange case, to be situated between using second liquid heat exchange
Confrontation exhaust gas is cleaned, and by the heat transfer in exhaust gas into second liquid heat transferring medium, realizes solution-air heat exchange, from
And realize the recycling of waste-gas heat, rise by the exhaust gas for purifying and cooling down and passage path is discharged into environment or its elsewhere
Manage device.At the same time, the first heat transferring medium discharges heat to realize in the first heat exchange by first heat exchanger to air
After heat exchanging process in device between the first heat transferring medium and gas, second heat exchanger is come by throttle valve.Heat exchange
The heat that second liquid heat transferring medium in case is absorbed in exhaust gas causes temperature to rise, and the first heat transferring medium is in the second heat exchanger
The middle heat absorbed in second liquid heat transferring medium so as to reduce the temperature of second liquid heat transferring medium, and then realizes the second liquid
Another heat exchanging process between body heat transferring medium and the first heat transferring medium in second heat exchanger.By to waste-gas heat
Second liquid heat transferring medium is transformed into, then the second heat exchanger is transferred thermal energy to by second liquid heat transferring medium, so as to fulfill more
The thermal energy conversion of phase transformation greatly improves the transmission efficiency of thermal energy；It is situated between by exhaust gas, second liquid heat transferring medium and the first heat exchange
The thermal energy conversion of matter, can fully recycle heat, heat loss be reduced, so as to reduce energy consumption.This reality is can be seen that from above-mentioned flow
It is ingenious with new flow, by unique heat exchange method, it can quickly and effectively realize recuperation of heat, reach heating energy efficiency ratio COP
To 3.0 ~ 8.0, so as to improve desiccation speed, sludge drying effect is good.In addition, the utility model utilizes second liquid heat transferring medium
Exhaust gas is cleaned, the sludge impurity in exhaust gas is made effectively to be washed, equipment life is better ensured that, prevents exhaust gas from existing
Blocking or etching apparatus in heat exchanging process improve the efficiency of exhaust gas recuperation of heat.
As first preferred embodiment of the utility model, heat exchange case includes changing for introducing clean second liquid
The clear liquid import of thermal medium, for the waste liquid outlet of discharging waste liquid and for discharging the outlet of the turbid of turbid, wherein, clear liquid import
It is arranged close to the bottom of heat exchange case respectively with waste liquid outlet, and turbid outlet is arranged close to the top of the heat exchange case.This
Sample when needed, can drain waste liquid and/or turbid from heat exchange case, and be injected newly to heat exchange case（Clean）Second liquid
Body heat transferring medium.
As second preferred embodiment of the utility model, the purification and heat recovery system further include the 3rd compressed gas
Body flow path, the 3rd compressed gas flow path include introducing the inlet for pressurised gas of compressed gas, tracheae and positioned at institute
The control valve at inlet for pressurised gas is stated, wherein, the inlet for pressurised gas is arranged close to the bottom of the heat exchange case, and institute
It states tracheae to be arranged in the heat exchange case close to the bottom of the heat exchange case and with multiple gas vents so that compressed gas
Body is ejected into via the multiple gas vent in the second liquid heat transferring medium.When needed, compressed gas is sprayed into second
In liquid heat transfer medium, it can help to stir the sludge impurity for being deposited on heat exchange case bottom, so as to contribute to sludge
Impurity is exported from turbid and discharged.
As the 3rd preferred embodiment of the utility model, the first heat exchange flow routing heat exchange loop is formed, including
Compressor and throttle valve, the compressor are used to compress first heat transferring medium from the second heat exchanger, and will be after compression
The first heat transferring medium arrange to the First Heat Exchanger, first heat transferring medium heats the place in the First Heat Exchanger
Then process gases flows into second heat exchanger via the throttle valve.
As the 4th preferred embodiment of the utility model, the processing gas is before the First Heat Exchanger is flowed through
Firstly flow through the compressor.
Preferably, the second liquid heat transferring medium is the one or more of water, cleaning solution and ionic liquid.
As the 5th preferred embodiment of the utility model, second heat exchanger is placed in inside the heat exchange case.
Preferably, exhaust gas is discharged into the heat exchange case in the heat exchange case below liquid level.
As the 6th preferred embodiment of the utility model, exhaust gas is in the heat exchange case after over cleaning and cooling
It is exhausted directly in environment.
Preferably, the processing gas is air.
As the 7th preferred embodiment of the utility model, gas distributing device is provided, for evenly distributing exhaust gas
Into heat exchange case.
Preferably, the processing gas is sent into mud drying device by ventilation device from the First Heat Exchanger.
As the 8th preferred embodiment of the utility model, in the heat exchange case, the exhaust gas is also directly to institute
State first heat transferring medium heat transfer in the second heat exchanger.
The details of the utility model, feature and advantage will be further explained in detail with reference to the accompanying figure below.
Description of the drawings
Fig. 1 is the purification of the exhaust gas according to the present utility model for sludge drying and a preferred reality of heat recovery system
Apply the schematic diagram of example.
Fig. 2 be the exhaust gas according to the present utility model for sludge drying purification and heat recovery system another preferably
The schematic diagram of embodiment.
Reference numeral：
1 mud drying device
2 first heat exchange flow paths
21 compressors
22 First Heat Exchangers
23 throttle valves
24 second heat exchangers
3 second purifications and heat exchange flow path
31 heat exchange cases
311 clear liquid imports
312 first control valves
313 waste liquid outlets
314 second control valves
315 turbids export
316 inlet for pressurised gas
317 tracheaes
318 third control valves
32 gas distributing devices
321 air inlet pipelines
323 second liquid heat transferring mediums
322 outlets
323 second liquid heat transferring mediums
4 ventilation devices
5 processing gas.
Specific embodiment
With reference to Fig. 1 and 2, include 2 He of the first heat exchange flow path for the purification of the exhaust gas of sludge drying and heat recovery system
Second purification and heat exchange flow path 3.First heat exchange flow path 2 provides the processing gas of heat for mud drying device 1, such as hot
Air.Air from external environment is introduced into the first heat exchange flow path 2 and is heated wherein.Air after heating by
Ventilation device 4 is sent into mud drying device 1, as processing gas.Hot processing gas is to sludge in mud drying device 1
Drying and other treatment is carried out, so as to generate tail gas or exhaust gas.The exhaust gas discharged from mud drying device 1 is entered the second purification and heat is handed over
To be cleaned and cool down in change of current road 3, then it is exhausted directly in environment or other processing units.
In a preferred embodiment, the first heat exchange flow path 2 is made of heat exchange loop, including compressor 21,
One heat exchanger 22,23 and second heat exchanger 24 of throttle valve.First heat transferring medium cycles in the heat exchange loop.Compressor 21 is pressed
Contracting arranges the first heat transferring medium of compressed high temperature and pressure to First Heat Exchanger in gaseous first heat transferring medium
22.The processing gas 5 that first heat transferring medium is flowed through in First Heat Exchanger 22 from First Heat Exchanger 22（Such as from outside
Air）Condensation, becomes liquid, therefore processing gas is heated.Herein, First Heat Exchanger 22 is equivalent to condenser.Condensation
The first heat transferring medium afterwards enters the second heat exchanger 24 by throttle valve 23 with the liquid form of low-temp low-pressure.In the second heat exchanger
In 24, the first heat transferring medium absorbs heat from the second heat exchange flow path 3 and is evaporated.Therefore, the second heat exchanger 24 is equivalent to steaming
Send out device.The first heat transferring medium after evaporation is sucked to carry out new compression cycle by compressor 21.First heat transferring medium for example may be used
To be R134a, R407c, R410a etc..
Preferably, processing gas firstly flows through compressor 21 before First Heat Exchanger 22 is flowed through, and help cools down compressor 21
And it is therefore preheated, so as to improve the organic efficiency of heat.
The processing gas heated in First Heat Exchanger 22 is preferably blower device and/or draws then by ventilation device 4
Wind apparatus is sent into mud drying device 1.The exhaust gas discharged from mud drying device 1, i.e., used processing gas are entered the
In two heat exchange flow paths 3.Second purification and heat exchange flow path 3 include the heat exchange case 31 for accommodating second liquid heat transferring medium 323.
Exhaust gas leaves to pass through after mud drying device 1 is discharged into heat exchange case 31 by air inlet pipeline 321.In heat exchange case 31, exhaust gas by
To the abundant cleaning of second liquid heat transferring medium 323.Meanwhile exhaust gas not only directly carries out hot friendship with second liquid heat transferring medium
It changes, but also directly carries out heat exchange with the first heat transferring medium in the second heat exchanger 24 for being placed in heat exchange case 31.
Optionally, multiple second heat exchangers 24 can be provided in heat exchange case 31 as needed.The plurality of second changes
Hot device 24 can be arranged with serial or parallel connection, so as to improve the heat transfer of second liquid heat transferring medium 323 to the first heat transferring medium
Efficiency.
Shown such as Fig. 1, in a preferred embodiment, heat exchange case 31 includes changing for introducing clean second liquid
The clear liquid import 311 of thermal medium 323, for the waste liquid outlet 313 of discharging waste liquid and for discharging the turbid of turbid outlet 315,
Wherein, clear liquid import 311 and waste liquid outlet 313 are arranged close to the bottom of heat exchange case 31 respectively, and turbid outlet 315 sets and leans on
The top of the nearly heat exchange case 31.In addition, the first control valve 312 is additionally provided at clear liquid import 311, and in waste liquid outlet
The second control valve 314 is equipped at 313.Such setting allows heat exchange case 31 to be cleaned and supplemented or is replaced second
Liquid heat transfer medium.Such as when needed, waste liquid can be drained from heat exchange case 31（Open the second control valve 314）It is and/or turbid
Liquid, and by open the first control valve 312 inject to heat exchange case 31 it is new（Clean）Second liquid heat transferring medium.
Preferably, heat exchange case 31 also provides gas distributing device 32, passes through pipeline and heat exchange case 31 and sludge respectively
Desiccation apparatus 1 forms gas connection.Particularly, connect gas distributing device 32 and the air inlet pipeline 321 of heat exchange case 31 is inserted
To below the liquid level of the second liquid heat transferring medium in heat exchange case 31, the depth that air inlet pipeline 321 is inserted into is enough to ensure that gas
Sufficient heat exchange between liquid.
Exhaust gas from mud drying device 11 is pooled in gas distributing device 32, and passes through 321 row of air inlet pipeline
Into the second liquid heat transferring medium in heat exchange case 31.In this embodiment, second liquid heat transferring medium is water.But the
Two liquid heat transfer mediums are not limited to water, and other suitable liquid can be used as, such as one kind in cleaning solution, ionic liquid
It is or a variety of.
Exhaust gas is cleaned in heat exchange case 31 and transfers heat to second liquid heat transferring medium, therefore is cooled down.By
This realizes the purification of exhaust gas and the recycling of heat.Exhaust gas automatically rises to after cooling in second liquid heat transferring medium
It more than the liquid level of second liquid heat transferring medium, and then is discharged into environment or other processing units.
The second liquid heat transferring medium that heat is obtained from exhaust gas is transferred heat to again via the second heat exchanger 24 second
The first heat transferring medium flowed in heat exchanger 24 is to evaporate the first heat transferring medium.Pass through exhaust gas and second liquid heat transferring medium,
This of two liquid heat transfer mediums and the first heat transferring medium twice convert by heat, realizes the abundant recycling of heat, and reduces
Thermal loss.
As shown in Fig. 2, another preferred embodiment as the utility model, heat exchange case 31 further include the 3rd compressed gas
Body flow path, including for introducing the inlet for pressurised gas 316 of compressed gas, tracheae 317 and be arranged on inlet for pressurised gas
Third control valve 318 at 316, wherein, the tracheae 317 is arranged close to the bottom of heat exchange case 31 and with multiple exhaust
Hole so that compressed gas is ejected into via the multiple gas vent in the second liquid heat transferring medium.When needed, the is opened
Three control valves 318 allow compressed gas to spray into second liquid heat transferring medium, can help that the dirt of heat exchange case bottom will be deposited on
The agitation of mud impurity is got up, so as to contribute to sludge impurity from 315 discharge of turbid outlet.
When purification described above and heat recovery system are put into use, processing gas is derived from the sky of external environment
Gas, generally using following operating procedure.
Control valve 312 is first turned on, by second liquid heat transferring medium, such as water, injects heat exchange case from clear liquid import 311
In 31.Under normal circumstances, second liquid heat transferring medium will reach predetermined liquid level in heat exchange case 31.Then, control
Valve 312 processed is closed.
The first heat exchange of subsequent start-up flow path 2 and second purifies and heat exchange flow path 3.
Air from external environment reaches first heat exchanger 22 via compressor 21.First heat exchanger 22 is by air
Heating, the air then heated flow to ventilation device 4 along path.The hot-air to pressurize by ventilation device 4 enters dirt along path
Mud desiccation apparatus 1.Hot-air forms tail gas or exhaust gas, the exhaust gas after carrying out drying and other treatment to sludge in mud drying device 1
Gas distributing device 32 is flowed to along path.Exhaust gas is equably discharged into heat exchange case 31 via air inlet pipeline by gas distributing device 32
In second liquid heat transferring medium in, to be cleaned using second liquid heat transferring medium to exhaust gas, and by the heat in exhaust gas
Amount is transferred in second liquid heat transferring medium, solution-air heat exchange is realized, so as to fulfill the recycling of waste-gas heat.By purification and
The exhaust gas of cooling rises and passage path 322 is discharged into environment or other processing units.At the same time, the first heat transferring medium
Heat is discharged to realize in first heat exchanger between the first heat transferring medium and gas to air by first heat exchanger 22
Heat exchanging process after, come second heat exchanger 24 by throttle valve 23.Second liquid heat exchange in heat exchange case 31 is situated between
The heat that matter is absorbed in exhaust gas causes temperature to rise, and the first heat transferring medium absorbs second liquid heat exchange in the second heat exchanger 24
Heat in medium, so as to reduce the temperature of second liquid heat transferring medium, and then realize second liquid heat transferring medium with second
Another heat exchanging process between the first heat transferring medium in heat exchanger.
Due to containing sludge impurity in exhaust gas, thus in heat exchange case 31 during progress solution-air interaction, give up
Sludge impurity in gas is cleaned by second liquid heat transferring medium, and is trapped in second liquid heat transferring medium.In order to keep second
The cleaning of liquid heat transfer medium can open the first control valve 312, by second liquid heat transferring medium from positioned at heat exchange case 31
The clear liquid import 311 of bottom introduces heat exchange case 31, when the liquid level of the second liquid heat transferring medium in heat exchange case 31 reaches turbid
During liquid outlet 315, turbid is just from 315 outflow of turbid outlet.With the increase of the sludge impurity in liquid, in heat exchange case 31
Second liquid heat transferring medium becomes muddy, and then influences the cleaning to the exhaust gas of rear entrance.For this purpose, third control valve can be opened
318, the tracheae 317 that compressed gas is made to enter from compressed gas gas feed near the bottom being located in heat exchange case 31.Afterwards,
Compressed gas is sprayed by the multiple gas vents being arranged on tracheae 317, and the sludge impurity of the bottom of heat exchange case 31 is stirred
It moves up, to contribute to sludge impurity from 315 discharge of turbid outlet.Leave the compressed gas and process of second liquid heat transferring medium
The exhaust gas of cleaning is discharged together through path 322.
If the sludge impurity savings of the bottom of heat exchange case 31 is excessive, the heat exchange effect of the second heat exchanger 24 is influenced
Rate can close the first control valve 312, and the second control valve 314 of opening makes waste liquid from positioned at the bottom of heat exchange case 31
Waste liquid outlet 313 is discharged.After waste liquid in heat exchange case 31 is exhausted, reverse operating is carried out, that is, closes the second control valve 314,
And the first control valve 312 is opened to inject clean or new second liquid heat transferring medium into heat exchange case 31 again.
The utility model substantially has following advantageous effect.
（1）Exhaust gas is initially subjected to the cleaning of the second liquid heat transferring medium in heat exchange case 31, can prevent exhaust gas from being handed in heat
Blocking and etching apparatus during changing improve the efficiency of exhaust gas recuperation of heat.
（2）Efficient recuperation of heat is realized in good energy-conserving effect, purification and heat recovery system by the utility model, is improved dirty
The efficiency of mud desiccation.
（3）Multiphase becomes, and heat transfer efficiency is high, and sludge drying speed is fast.Pass through the heat of gas and liquid, liquid and intermediate medium
Amount conversion, can fully recycle heat, reduce heat loss.
（4）Flow is simple, desiccation effect is good, can quickly and effectively realize recuperation of heat, improvement effect and speed.
（5）Into waste gas purification and the exhaust gas of heat recovery system is purified under closed environment and recuperation of heat, prevents
Foul smell generates, and prevents secondary pollution, very environmentally friendly.
Although the utility model is described by reference to illustrative embodiments, skilled person will understand that
It is that in the case of without departing from the scope of the utility model, can make a variety of changes and its alternative element of equivalent.This
Outside, many modifications can be made so that specific situation or material are suitable for the introduction of the utility model without departing from the utility model
Essential scope.Therefore, the utility model is intended to be not limited to specific embodiment, but the utility model will include falling into
Whole embodiments in scope.
Claims (14)
1. a kind of purification of exhaust gas for sludge drying and heat recovery system, including：
First heat exchange flow path, the first heat exchange flow path include First Heat Exchanger and the second heat exchanger, the first heat transferring medium
It cycles in the first heat exchange flow path, and is heated in the First Heat Exchanger for being supplied to mud drying device
Processing gas；
Second purification and heat exchange flow path, second purification and heat exchange flow path include accommodating the heat of second liquid heat transferring medium
Commuting case, the exhaust gas discharged from mud drying device are entered the heat exchange case so that the exhaust gas is subject to second liquid
The cleaning of body heat transferring medium and the second liquid heat transferring medium is transferred heat to be cooled down；And
The second liquid heat transferring medium transfers heat to first heat transferring medium in second heat exchanger,
The heat exchange case includes introducing the clear liquid import of clean second liquid heat transferring medium, for discharging the useless of waste liquid
Liquid exports and for discharging the outlet of the turbid of turbid.
2. purification according to claim 1 and heat recovery system, which is characterized in that wherein, the clear liquid import and waste liquid
Outlet is arranged close to the bottom of the heat exchange case respectively, and turbid outlet is arranged close to the top of the heat exchange case.
3. purification according to claim 1 or 2 and heat recovery system, which is characterized in that the purification and heat recovery system
Further include the 3rd compressed gas flow path, the 3rd compressed gas flow path include introducing the compressed gas of compressed gas into
Mouth, tracheae and the control valve at the inlet for pressurised gas, wherein, the inlet for pressurised gas is arranged close to the heat
The bottom of commuting case, and the tracheae is arranged in the heat exchange case close to the bottom of the heat exchange case and with multiple
Gas vent so that compressed gas is ejected into via the multiple gas vent in the second liquid heat transferring medium.
4. purification according to claim 1 and heat recovery system, which is characterized in that the first heat exchange flow routing heat is handed over
Gain road composition, including compressor and throttle valve, first heat transferring medium of the compressor compresses from the second heat exchanger
And arrange compressed first heat transferring medium to the First Heat Exchanger, first heat transferring medium is in the First Heat Exchanger
The processing gas is heated, then flows into second heat exchanger via the throttle valve.
5. purification according to claim 4 and heat recovery system, which is characterized in that the processing gas is flowing through described
The compressor is firstly flowed through before one heat exchanger.
6. purification according to claim 1 and heat recovery system, which is characterized in that the second liquid heat transferring medium is
The one or more of water, cleaning solution and ionic liquid.
7. purification according to claim 1 and heat recovery system, which is characterized in that described useless in the heat exchange case
First heat transferring medium heat transfer of the gas also directly into second heat exchanger.
8. purification according to claim 1 and heat recovery system, which is characterized in that second heat exchanger is placed in the heat
Inside commuting case.
9. purification according to claim 1 and heat recovery system, which is characterized in that the exhaust gas is in the heat exchange case
The heat exchange case is discharged into below liquid level.
10. purification according to claim 1 and heat recovery system, which is characterized in that the exhaust gas is in the heat exchange case
It is interior to be exhausted directly to after the cooling that purifies and exchange heat in environment.
11. purification according to claim 1 and heat recovery system, which is characterized in that the processing gas is air.
12. purification according to claim 1 and heat recovery system, which is characterized in that gas distributing device is provided, and is used for
Exhaust gas is evenly distributed into the heat exchange case.
13. purification according to claim 12 and heat recovery system, which is characterized in that the heat exchange case is additionally provided with air inlet
Pipeline, the air inlet pipeline extend to the liquid level in the heat exchange case with next distance at.
14. purification according to claim 1 and heat recovery system, which is characterized in that the processing gas is by ventilation device
The mud drying device is sent into from the First Heat Exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695962.2U CN207391233U (en) | 2017-06-15 | 2017-06-15 | Purification and heat recovery system for the exhaust gas of sludge drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720695962.2U CN207391233U (en) | 2017-06-15 | 2017-06-15 | Purification and heat recovery system for the exhaust gas of sludge drying |
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| Publication Number | Publication Date |
|---|---|
| CN207391233U true CN207391233U (en) | 2018-05-22 |
Family
ID=62403299
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|---|---|---|---|
| CN201720695962.2U Active CN207391233U (en) | 2017-06-15 | 2017-06-15 | Purification and heat recovery system for the exhaust gas of sludge drying |
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| Country | Link |
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| CN (1) | CN207391233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133571A (en) * | 2017-06-15 | 2019-01-04 | 广州新致晟环保科技有限公司 | The purification of exhaust gas for sludge drying and heat recovery system and method |
-
2017
- 2017-06-15 CN CN201720695962.2U patent/CN207391233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133571A (en) * | 2017-06-15 | 2019-01-04 | 广州新致晟环保科技有限公司 | The purification of exhaust gas for sludge drying and heat recovery system and method |
| CN109133571B (en) * | 2017-06-15 | 2024-05-24 | 广州正晟科技有限公司 | Purification and heat recovery system and method for sludge drying waste gas |
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