CN103991869B - A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment - Google Patents
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment Download PDFInfo
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- CN103991869B CN103991869B CN201410185764.2A CN201410185764A CN103991869B CN 103991869 B CN103991869 B CN 103991869B CN 201410185764 A CN201410185764 A CN 201410185764A CN 103991869 B CN103991869 B CN 103991869B
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- heat
- water outlet
- outlet header
- heat exchanger
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The invention discloses a kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment, described heat changes pipe and hot water outlet header connects, described hole for hoist is between hot water outlet header and cooling water outlet header, described cooling water outlet header and heat are changed pipe and are connected, described top heat-insulation layer is positioned at above heat exchanger tube, and described support hook lays respectively at the upper end of heat exchanger tube.The present invention breaks conventional absorbent charcoal activation furnace UTILIZATION OF VESIDUAL HEAT IN and the traditional concept of tail gas absorption apparatus field, to reach existing the coming into operation due to residual heat using device of UTILIZATION OF VESIDUAL HEAT IN purpose, the decline of flue-gas temperature, humidification cooling tower can be filled, directly inhale spray column with a tail and can reach effect, which also saves investment and the operating cost of tail desorption system.
Description
Technical field
The present invention relates to wood activated charcoal activation furnace stove tail UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption design and transformation, be specially one
Phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment.
Background technology
Along with the requirement of quality of life is improved constantly, as the wooden activity of decontamination toxin expelling impurities removal by the progressive people of society
Charcoal, demand is increasing, and range is more and more extensive.Such as medicine, sugar industry food, cosmetics, urban water supply, tobacco, wine
The industries such as class, chemical industry, vehicle maintenance service are both needed to use, and are militarily continuously increased the demand of activated carbon and still
Without substitute, therefore this product economy prospect is the best.The main raw material(s) of wood activated charcoal activated carbon product is that forestry is raw
The discarded wood chip produced, the production technology of activated carbon can be divided into chemical method and Physical two kinds.Current domestic active carbon by chemical method is raw
Produce and generally there is the problems such as phosphoric acid consumes greatly, energy consumption is high, smoke pollution is serious and mechanization degree is low, personnel labor intensity is big.
And phosphoric acid method production technology, topmost equipment is horizontal activation furnace, utilizes horizontal rotary furnace to carry out charing and the activation of wood chip, greatly
The flue gas of Dou Shuo producer horizontal activation furnace stove tail directly empties, and the amount of heat in flue gas can not reclaim, and which results in a series of
Problem: one, phosphoric acid method production technology horizontal rotary furnace outlet exhaust temperature must control, and product quality could be up to standard, with 35 meters
Long, as a example by the horizontal rotary furnace of 1.8 rice diameters, production capacity is calculated by 6 ton day, and exiting flue gas amount is up to 15000Nm3/h, outlet
Flue-gas temperature must control at 180 DEG C ~ 200 DEG C, and this partial heat energy can not reclaim, and directly empties, and causes substantial amounts of heat energy
Loss.Two, phosphoric acid method production technology need to use substantial amounts of hot water, general charcoal per ton need to consume about 8 tons 70 at recovery rinsing process
DEG C ~ 80 DEG C of hot water, and this part hot water need to increase a boiler specially and solve, on the one hand thermal waste use, the opposing party looks unfamiliar
Product process is badly in need of again heat energy, and heat energy the most effectively utilizes and seems the most unreasonable.Three, phosphoric acid acid mist in horizontal rotary furnace outlet tail gas
Entrainment is big, so that the phosphoric acid consumption causing product increases, ton charcoal phosphoric acid consumption is typically greater than 0.3, and this part phosphoric acid
Can not be reclaimed.This partial tail gas is not absorbed simultaneously, also result in certain atmosphere pollution.Four, horizontal rotary furnace outlet
Exhaust temperature is high, causes flue gas volume flow bigger than normal, is vented horizontal rotary furnace, and the height of chimney and diameter propose higher
Requirement, as horizontal rotary furnace outlet tail gas exhaust is obstructed, this quality also having affected indirectly product and the performance of production capacity.Have at present
The solution of producer's trial and the problem of existence: one, heat exchanger is set in horizontal rotary furnace exhaust pass or horizontal direction sets
Displacement hot coil, reaches the purpose of UTILIZATION OF VESIDUAL HEAT IN heat production water, and this scheme early stage can reach certain operational effect, but flue dust
And wood tar etc. will quickly block heat exchanger tube, which results in heat exchange smooth, flue blockage, ultimately resulting in production is difficult for continuing, and
Heat exchanger tube and flue cleaning are the most very inconvenient, and this scheme is the most undesirable.Two, stainless steel flue is set, builds again outside flue and change
Hot hot-tub, this scheme heat exchange efficiency is extremely low, and substantial amounts of heat can not effectively utilize, and additionally this scheme cost is high, and
Stainless steel flue also needs periodic cleaning, and this scheme is the most undesirable.Three, arrange in horizontal rotary furnace exhaust pass more than two
Heat exchanger tube, heat transferring medium is changed into phosphoric acid,diluted by water, by exchange recovered carbon kiln tail gas heat energy, heating heat exchanger tube in
Normal temperature phosphoric acid,diluted, in order to next step concentration and recovery of phosphoric acid,diluted utilizes, and this scheme cost is high, first requires in technological process
Must have Phosphoric Acid Concentration recovery system, still further aspect does not solves heat exchanger tube and the problem of flue blockage cleaning, this side yet
Case is the most undesirable.Four, increase tail in horizontal rotary furnace outlet and inhale spray column, to reach to reclaim the purpose of phosphoric acid in tail gas, return
The phosphoric acid accepted is returned in system recycle, and this achieves the purpose reclaiming phosphoric acid, but this scheme does not accounts for waste heat
The problem utilized, it is clear that scheme is the most also weak.Above method is all not suitable for satisfactorily resolving of problem.
Summary of the invention
For the problems referred to above, it is desirable to provide a kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption set
Standby.
For realizing this technical purpose, the solution of the present invention is: a kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas are inhaled
Receiving unit, including heat exchanger tube and hot water outlet header, is followed by hole for hoist, then is the cold water corresponding with hot water outlet header
Outlet header, be the most respectively top heat-insulation layer, support hook, finally be first group of heat exchanger, second group of heat exchanger and
3rd group of heat exchanger, described heat changes pipe and hot water outlet header connects, and described hole for hoist is positioned at hot water outlet header and goes out with cold water
Between mouth header, described cooling water outlet header and heat are changed pipe and are connected, and described top heat-insulation layer is positioned at above heat exchanger tube, described support
Hook lays respectively at the upper end of heat exchanger tube.
As preferably, described heat is changed pipe and is designed by the stainless steel material of 316L model.
As preferably, described hot water outlet header and cooling water outlet header are the heat-exchange device of water respectively.
As preferably, described hot water outlet header, hole for hoist and cooling water outlet header all have one on three groups of heat exchangers
Individual.
As preferably, described first group of heat exchanger, second group of heat exchanger and the 3rd group of heat exchanger use the group that is installed in series
Become a set of heat-exchanger rig.
The present invention breaks conventional absorbent charcoal activation furnace UTILIZATION OF VESIDUAL HEAT IN and the traditional concept of tail gas absorption apparatus field, uses new
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN of method design and device for absorbing tail gas, by calculating, at horizontal rotary furnace stove tail
Flue is arranged the residual heat using device of certain heat exchange area, to reach UTILIZATION OF VESIDUAL HEAT IN purpose.Long with 35 meters, 1.8 rice diameters
As a example by horizontal rotary furnace, production capacity is calculated by 6 ton day, it is to be ensured that exit gas temperature controls to about 100 DEG C, and heat exchange area need to reach
To more than 158 square metres.Residual heat using device uses the heat-exchanging tube bundle of transversal flow to arrange, and transversal flow structure is applicable to flue dust
Bigger environment, flue dust and wood tar etc. will not quickly block heat exchanger tube, controls certain tube pitch well simultaneously, in order to changes
Heat pipe and the cleaning of flue.UTILIZATION OF VESIDUAL HEAT IN heat exchanger tube uses the 316L stainless steel tube of φ 32X3, to overcome the height in converter flue
Temperature and the impact of corrosion, arrange several places manhole at flue simultaneously, in order to flue is cleared up.Heat transferring medium is technique cold water, water
Walking tube side, flue gas walks shell side, is then sent through in the boiler of burner by the hot water of residual heat using device heat exchange, and this overlaps UTILIZATION OF VESIDUAL HEAT IN
Device is equivalent to the economizer of boiler, and to reach the Low Temperature Thermal conversion to high-temperature hot, this conversion regime is relatively rationally flexible, energy
Meet the different demands produced hot water temperature.The collection device of flue gas condensing liquid is set at the low-lying place of flue, collects
Condensate liquid is directly sent in stove tail mixing system recycle, and this achieves the purpose reclaiming phosphoric acid.In horizontal rotary furnace waste heat profit
Being further added by tail with outlet and inhale spray column, to reach to reclaim the purpose of phosphoric acid in tail gas, the phosphoric acid under reclaiming is returned in system follow
Ring uses, and this achieves and reclaims phosphoric acid and the purpose of environment protection standard discharge.By residual heat using device exit gas temperature from
180 DEG C ~ about 200 DEG C drop to 100 DEG C ~ about 120 DEG C, can produce about 10 tons hot water, residual heat using device outlet heat per hour
Water water temperature can reach 45 DEG C ~ about 55 DEG C.The hot water of output has delivered to the heating of burner boiler secondary, controls after 70 DEG C ~ 80 DEG C
It is then sent through reclaiming and rinsing process use, meets the demand produced hot water.The heat-exchanging tube bundle of transversal flow is arranged effectively
Control the blockage problem of heat exchanger tube, additionally by controlling well, several places manhole is set at certain tube pitch and flue, more square
Flue and the periodic cleaning of heat exchanger tube, it is ensured that the heat transfer effect of residual heat using device.By horizontal rotary furnace is exported tail
The recovery of phosphoric acid acid mist condensate liquid in gas, the condensate liquid collected is directly sent in stove tail mixing system recycle, ton charcoal
Phosphoric acid consumption is less than 0.25.Due to coming into operation of residual heat using device, exit gas temperature declines, and 1.8 rice diameters 70 meters are high
Chimney can meet two 35 meters long, the full production of the horizontal rotary furnace of 1.8 rice diameters.Horizontal rotary furnace tail desorption system is typically by two
Tower composition, one be humidification cooling tower one be only that tail is inhaled spray column and absorbed, cascade towers uses, existing due to residual heat using device
Come into operation, the decline of flue-gas temperature, humidification cooling tower can be filled, and directly can reach effect with a tail suction spray column, and this is also
Investment and the operating cost of tail desorption system are saved.
Accompanying drawing explanation
Fig. 1 is the UTILIZATION OF VESIDUAL HEAT IN schematic diagram of the present invention.
Detailed description of the invention
The present invention is described in further details by this and specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN of the embodiment of the present invention and tail gas absorption equipment, bag
Include and include heat exchanger tube 1 and hot water outlet header 2, be followed by hole for hoist 3, then the cold water being corresponding with hot water outlet header goes out
Mouthful header 4, be the most respectively top heat-insulation layer 5, support hook 6, finally be 7, second group of heat exchanger 8 of first group of heat exchanger with
And the 3rd group of heat exchanger 9, described heat changes pipe 1 and hot water outlet header 2 connects, described hole for hoist 3 be positioned at hot water outlet header 2 with
Between cooling water outlet header 4, described cooling water outlet header 4 and heat are changed pipe 1 and are connected, and described top heat-insulation layer 5 is positioned on heat exchanger tube 1
Side, described support hook 6 lays respectively at the upper end of heat exchanger tube 1.
As preferably, described heat is changed pipe 1 and is designed by the stainless steel material of 316L model.
As preferably, described hot water outlet header 2 and cooling water outlet header 4 are the heat-exchange device of water respectively.
As preferably, described hot water outlet header 2, hole for hoist 3 and cooling water outlet header 4 all have on three groups of heat exchangers
One.
As preferably, 7, second group of heat exchanger 8 of described first group of heat exchanger and the 3rd group of heat exchanger 9 use and are installed in series
Form a set of heat-exchanger rig.
The present invention breaks conventional absorbent charcoal activation furnace UTILIZATION OF VESIDUAL HEAT IN and the traditional concept of tail gas absorption apparatus field, uses new
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN of method design and device for absorbing tail gas, by calculating, at horizontal rotary furnace stove tail
Flue is arranged the residual heat using device of certain heat exchange area, to reach UTILIZATION OF VESIDUAL HEAT IN purpose.Long with 35 meters, 1.8 rice diameters
As a example by horizontal rotary furnace, production capacity is calculated by 6 ton day, it is to be ensured that exit gas temperature controls to about 100 DEG C, and heat exchange area need to reach
To more than 158 square metres.Residual heat using device uses the heat-exchanging tube bundle of transversal flow to arrange, and transversal flow structure is applicable to flue dust
Bigger environment, flue dust and wood tar etc. will not quickly block heat exchanger tube, controls certain tube pitch well simultaneously, in order to changes
Heat pipe and the cleaning of flue.UTILIZATION OF VESIDUAL HEAT IN heat exchanger tube uses the 316L stainless steel tube of φ 32X3, to overcome the height in converter flue
Temperature and the impact of corrosion, arrange several places manhole at flue simultaneously, in order to flue is cleared up.Heat transferring medium is technique cold water, water
Walking tube side, flue gas walks shell side, is then sent through in the boiler of burner by the hot water of residual heat using device heat exchange, and this overlaps UTILIZATION OF VESIDUAL HEAT IN
Device is equivalent to the economizer of boiler, and to reach the Low Temperature Thermal conversion to high-temperature hot, this conversion regime is relatively rationally flexible, energy
Meet the different demands produced hot water temperature.The collection device of flue gas condensing liquid is set at the low-lying place of flue, collects
Condensate liquid is directly sent in stove tail mixing system recycle, and this achieves the purpose reclaiming phosphoric acid.In horizontal rotary furnace waste heat profit
Being further added by tail with outlet and inhale spray column, to reach to reclaim the purpose of phosphoric acid in tail gas, the phosphoric acid under reclaiming is returned in system follow
Ring uses, and this achieves and reclaims phosphoric acid and the purpose of environment protection standard discharge.By residual heat using device exit gas temperature from
180 DEG C ~ about 200 DEG C drop to 100 DEG C ~ about 120 DEG C, can produce about 10 tons hot water, residual heat using device outlet heat per hour
Water water temperature can reach 45 DEG C ~ about 55 DEG C.The hot water of output has delivered to the heating of burner boiler secondary, controls after 70 DEG C ~ 80 DEG C
It is then sent through reclaiming and rinsing process use, meets the demand produced hot water.The heat-exchanging tube bundle of transversal flow is arranged effectively
Control the blockage problem of heat exchanger tube, additionally by controlling well, several places manhole is set at certain tube pitch and flue, more square
Flue and the periodic cleaning of heat exchanger tube, it is ensured that the heat transfer effect of residual heat using device.By horizontal rotary furnace is exported tail
The recovery of phosphoric acid acid mist condensate liquid in gas, the condensate liquid collected is directly sent in stove tail mixing system recycle, ton charcoal
Phosphoric acid consumption is less than 0.25.Due to coming into operation of residual heat using device, exit gas temperature declines, and 1.8 rice diameters 70 meters are high
Chimney can meet two 35 meters long, the full production of the horizontal rotary furnace of 1.8 rice diameters.Horizontal rotary furnace tail desorption system is typically by two
Tower composition, one be humidification cooling tower one be only that tail is inhaled spray column and absorbed, cascade towers uses, existing due to residual heat using device
Come into operation, the decline of flue-gas temperature, humidification cooling tower can be filled, and directly can reach effect with a tail suction spray column, and this is also
Investment and the operating cost of tail desorption system are saved.
The above, only presently preferred embodiments of the present invention, not in order to limit the present invention, every skill according to the present invention
Any trickle amendment, equivalent and the improvement that above example is made by art essence, should be included in technical solution of the present invention
Protection domain within.
Claims (4)
1. phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and a tail gas absorption equipment, including heat exchanger tube and hot water outlet header,
It is followed by hole for hoist, then is the cooling water outlet header corresponding with hot water outlet header, be top heat-insulation layer, support the most respectively
Hook, be finally first group of heat exchanger, second group of heat exchanger and the 3rd group of heat exchanger, it is characterised in that: described heat change pipe and
Hot water outlet header connect, described hole for hoist between hot water outlet header and cooling water outlet header, described cooling water outlet collection
Case and heat are changed pipe and are connected, and described top heat-insulation layer is positioned at above heat exchanger tube, and described support hook lays respectively at the upper end of heat exchanger tube,
Described heat is changed pipe and is changed the tube bank horizontally set of pipe for one side pipe, described heat, and described tail gas absorption equipment is that tail inhales spray column, described
Tail is inhaled spray column and is arranged on offgas outlet.
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and tail gas absorption equipment, its feature exists
In: described hot water outlet header and cooling water outlet header are the heat-exchange device of water respectively.
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and tail gas absorption equipment, its feature exists
In: described hot water outlet header, hole for hoist and cooling water outlet header all have one on three groups of heat exchangers.
A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN the most according to claim 1 and tail gas absorption equipment, its feature exists
In: described first group of heat exchanger, second group of heat exchanger and the 3rd group of heat exchanger use a set of heat-exchanger rig of composition that is installed in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410185764.2A CN103991869B (en) | 2014-05-05 | 2014-05-05 | A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410185764.2A CN103991869B (en) | 2014-05-05 | 2014-05-05 | A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
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| Publication Number | Publication Date |
|---|---|
| CN103991869A CN103991869A (en) | 2014-08-20 |
| CN103991869B true CN103991869B (en) | 2016-08-24 |
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| CN201410185764.2A Expired - Fee Related CN103991869B (en) | 2014-05-05 | 2014-05-05 | A kind of phosphatase activity carbon activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
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| CN107654988A (en) * | 2017-10-12 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of combustion engine waste heat boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234762A (en) * | 2008-02-27 | 2008-08-06 | 邹炎 | Physical method energy-saving cleaning technique for manufacturing active carbon |
| CN101608794A (en) * | 2009-07-27 | 2009-12-23 | 太原嘉能动力科技有限公司 | The UTILIZATION OF VESIDUAL HEAT IN method of low-concentration combustibles |
| CN202420215U (en) * | 2011-12-31 | 2012-09-05 | 福建省建瓯市芝星活性炭有限公司 | Using and collecting device for afterheat of tail gas of activated carbon kiln |
| CN103292303A (en) * | 2012-02-29 | 2013-09-11 | 中北大学 | System and method for recycling latent heat of water steam in tail gas of Slapple activating furnace |
| CN203922734U (en) * | 2014-05-05 | 2014-11-05 | 贵州黎平奥捷炭素有限公司 | A kind of activated carbon of phosphoric acid activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
-
2014
- 2014-05-05 CN CN201410185764.2A patent/CN103991869B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234762A (en) * | 2008-02-27 | 2008-08-06 | 邹炎 | Physical method energy-saving cleaning technique for manufacturing active carbon |
| CN101608794A (en) * | 2009-07-27 | 2009-12-23 | 太原嘉能动力科技有限公司 | The UTILIZATION OF VESIDUAL HEAT IN method of low-concentration combustibles |
| CN202420215U (en) * | 2011-12-31 | 2012-09-05 | 福建省建瓯市芝星活性炭有限公司 | Using and collecting device for afterheat of tail gas of activated carbon kiln |
| CN103292303A (en) * | 2012-02-29 | 2013-09-11 | 中北大学 | System and method for recycling latent heat of water steam in tail gas of Slapple activating furnace |
| CN203922734U (en) * | 2014-05-05 | 2014-11-05 | 贵州黎平奥捷炭素有限公司 | A kind of activated carbon of phosphoric acid activation furnace UTILIZATION OF VESIDUAL HEAT IN and tail gas absorption equipment |
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