EP2044368A1 - Thermal exhaust cleaning device and method for thermal exhaust cleaning - Google Patents
Thermal exhaust cleaning device and method for thermal exhaust cleaningInfo
- Publication number
- EP2044368A1 EP2044368A1 EP07765036A EP07765036A EP2044368A1 EP 2044368 A1 EP2044368 A1 EP 2044368A1 EP 07765036 A EP07765036 A EP 07765036A EP 07765036 A EP07765036 A EP 07765036A EP 2044368 A1 EP2044368 A1 EP 2044368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid medium
- evaporation chamber
- gas
- purification device
- chamber
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 19
- 238000004140 cleaning Methods 0.000 title abstract description 5
- 239000007789 gas Substances 0.000 claims abstract description 192
- 239000007788 liquid Substances 0.000 claims abstract description 114
- 238000001704 evaporation Methods 0.000 claims abstract description 101
- 230000008020 evaporation Effects 0.000 claims abstract description 101
- 239000012159 carrier gas Substances 0.000 claims abstract description 80
- 238000002485 combustion reaction Methods 0.000 claims abstract description 55
- 238000000746 purification Methods 0.000 claims description 51
- 239000000203 mixture Substances 0.000 claims description 31
- 238000009834 vaporization Methods 0.000 claims description 16
- 230000008016 vaporization Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims 2
- 238000005338 heat storage Methods 0.000 description 19
- 238000002156 mixing Methods 0.000 description 12
- 238000010926 purge Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
Definitions
- the present invention relates to a thermal exhaust gas purification device comprising at least one combustion chamber and at least one regenerator through which a raw gas to be purified is supplied to the combustion chamber.
- the present invention has for its object to provide a thermal emission control device of the type mentioned, which allows to burn even large amounts of low-calorie liquid media.
- the exhaust gas purification device comprises at least one evaporation chamber, which a carrier gas from the combustion chamber can be fed and in which a vaporization chamber supplied liquid medium is evaporated, wherein the evaporated liquid medium together with the carrier gas to the raw gas before passing through the regenerator is immiscible.
- the vaporization chamber replaces the residence time lacking in conventional plants, and the heat energy of the carrier gas imparts the mixing energy required for the evaporation of low-calorie residues and the energy for the change of the aggregate state.
- the evaporation chamber By using the evaporation chamber, problematic liquid residues can be oxidized in an energy-neutral manner in a composite of an evaporation chamber and a thermoreactor.
- the liquid residue is vaporized without oxidation so that the carrier gas and the residue are at a lower temperature level than the carrier gas prior to mixing with the liquid residue.
- the combination of the evaporation chamber with the combustion chamber and the regenerator makes it possible, even low-calorie liquid residues and waste water, which do not ignite independently due to their composition and whose energy content maximally helps to maintain the temperature level of the carrier gas in the mixture with the carrier gas in high quantities burn.
- the temperature of the mixture of the carrier gas and the vaporized liquid medium at the outlet of the evaporation chamber is dependent on the evaporation losses and depending on the type of organic substances contained in the liquid medium between about 150 0 C and the temperature of the carrier gas before entering the evaporation chamber.
- the outlet temperatures of the mixture of carrier gas and vaporized liquid medium can be varied upon exiting the evaporation chamber.
- the temperature of the carrier gas can be corrected downwards if necessary.
- raw gas which has not yet entered the regenerator, can be mixed with the carrier gas from the combustion chamber before it enters the evaporation chamber in order to lower the temperature of the carrier gas before it enters the evaporation chamber, if necessary.
- the exhaust gas purification device comprises at least one atomizing device for atomizing the liquid medium in the evaporation chamber.
- the exhaust gas purification device comprises means for supplying compressed air to the atomizing device.
- the exhaust gas purification device comprises at least one auxiliary burner for increasing the temperature in the vaporization chamber.
- At least one dust filter is arranged in an outlet region of the evaporation chamber.
- the supply of liquid medium to the evaporation chamber can be regulated as a function of the combustion chamber temperature.
- the evaporation chamber can be flowed through in a substantially vertical direction by the mixture of carrier gas and liquid medium. Furthermore, it is favorable if the expansion of the evaporation chamber along the direction in which it is permeable by the mixture of carrier gas and liquid medium, is so great that the supplied liquid medium is substantially completely evaporated within the evaporation chamber.
- the liquid medium to be evaporated in the evaporation chamber may be a liquid or an aerosol.
- the present invention further relates to a method for thermal exhaust gas purification, in which a raw gas to be purified is supplied by a regenerator of a combustion chamber.
- the present invention has the further object of providing such a method for thermal exhaust gas purification, which makes it possible to burn even large amounts of a low-calorie liquid medium.
- This object is achieved in a method having the features of the preamble of claim 13 according to the invention in that a carrier gas from the combustion chamber is fed to an evaporation chamber and in the evaporation chamber, a liquid medium supplied to the evaporation chamber is at least partially evaporated, wherein the evaporated liquid medium together with the carrier gas the raw gas is mixed before passing through the regenerator.
- the combustion of the exhaust gas in the exhaust gas purification device according to the invention or in the exhaust gas purification process according to the invention can be carried out with or without catalyst elements to reduce the required oxidation temperature.
- Fig. 1 is a schematic representation of a thermal exhaust gas purification device with a combustion chamber, three regenerators and an evaporation chamber;
- Fig. 2 is a schematic representation of a second embodiment of a thermal exhaust gas purification device, wherein the supply of a mixture of a carrier gas and a vaporized liquid medium to a crude gas in dependence on the temperature of a mixture of the raw gas, the carrier gas and the evaporated liquid medium before entering a regenerator of the exhaust gas purification device is controllable.
- a thermal exhaust gas purification device 100 shown in FIG. 1 comprises a thermal reactor 102 having a combustion chamber 104 and three regenerators 106 arranged below the combustion chamber 104, each comprising an antechamber 108 and a heat storage mass chamber 110 arranged above the prechamber 108 Heat storage mass chamber 110 from the antechamber 108 by a Grid 112 is separated, which carries a heat storage mass 114 of the respective regenerator 106.
- This heat storage mass 114 can be formed, for example, from ceramic saddles, which are disposed in the heat storage mass chamber 110 in a disordered manner.
- the heat storage mass 114 comprises honeycomb bodies, which are traversed by gas passage channels and prismatic, in particular cuboid, formed and arranged with their lateral surfaces adjacent to each other so that in the heat storage mass chamber 110, one or more honeycomb body layers are formed the gas must pass through the heat storage mass chamber 110 as it passes.
- Each of the heat storage mass chambers 110 of the regenerators 106 opens at its upper end in the combustion chamber 104, in which a burner 116 is arranged, via a fuel gas supply line 118, a fuel gas, for example natural gas, is supplied to burn the pollutants contained in the raw gas to be purified ,
- a fuel gas for example natural gas
- the burner 116 is further supplied via a fresh air supply line 120 required for the combustion process combustion air.
- a fresh air supply fan 122 and a check valve 124 are arranged in the fresh air supply line 120.
- control of the control valves 126 and 128 by means of a (not shown) control device of the thermal exhaust gas cleaning device 100, which via signal or control lines with the temperature sensor 130 and with the control valves 126 and 128 and with the further described below sensors and control elements of Exhaust gas purification device 100 is connected.
- the combustion chamber temperature is monitored by means of a temperature sensor 132, which triggers a safety shutdown of the exhaust gas purification device 100 when a predetermined maximum temperature is exceeded.
- Further temperature sensors 134 may be arranged in the upper end region of the regenerators 106 in order to trigger a safety shutdown even when a predetermined maximum temperature is exceeded.
- Another temperature sensor 136 with a connected recording device is used for continuous detection and recording of the temporal temperature profile in the combustion chamber 104.
- the pre-chamber 108 of each regenerator 106 is connected to a raw gas supply line 140 via a raw gas branch pipe 138 provided with a raw gas valve 136, through which the exhaust gas purification device 100 is supplied with the exhaust gas to be purified, which will be referred to as raw gas, from an exhaust gas source (not shown). Furthermore, the prechamber 108 of each regenerator 106 is connected to a clean gas discharge line 146 via a clean gas branch line 144 provided with a clean gas valve 142, through which the exhaust gas purified by the exhaust gas purification device 100, which is referred to as clean gas below, is led to an exhaust chimney 148 through which the clean gas is released to the environment.
- the temperature of the clean gas in the clean gas discharge line 146 is detected by means of a temperature sensor 149.
- a further temperature sensor 150 is disposed on the clean gas discharge line 146, which triggers a safety shutdown of the exhaust gas purification device 100 when a predetermined maximum clean gas temperature is exceeded.
- each regenerator 106 is connected to a purge gas return line 156 via a purge gas branch line 154 provided with a purge gas valve 152, through which pure gas used for purifying raw gas residues from the heat storage masses 114 of the regenerators 106, which is referred to as purge gas hereinafter, into the Rohgaszumoltechnisch 140 is traceable.
- the purge gas return line 156 opens into the Rohgaszumoltechnische 158, which sucks the raw gas from the raw gas source and promotes into the regenerators 106.
- the flow rate of the raw gas supply fan 158 is controllable in response to a pressure measured by a pressure sensor 160 upstream of the confluence of the purge gas recirculation passage 156 into the raw gas supply passage 140.
- a bypass line 162 branches off the raw gas supply line 140, through which, in the event of a malfunction of the exhaust gas purification device 100, the raw gas from the raw gas source can be bypassed at the exhaust gas purification device 100.
- bypass line 162 The access to the bypass line 162 is closed by means of a, in particular pneumatically controlled, control valve 164.
- the fresh air supply via the Frisch povertyzu melt 166 is arranged by means of a in the Frisch povertyzu90 Maschinentube 166, in particular pneumatically controlled, valve 168 controllable.
- a muffler 170 is disposed in the fresh air supply pipe 166.
- a, in particular pneumatically controllable, valve 172 is arranged in the raw gas supply line 140, by means of which the raw gas supply to the exhaust gas purification device 100 can be blocked.
- the thermal emission control apparatus 100 includes an evaporation chamber 174 which serves to vaporize a liquid medium introduced into the evaporation chamber and one from the combustion chamber 104 mixture carrier gas so that the mixture of the carrier gas and the evaporated liquid medium can be added to the raw gas before entering the thermoreactor 102.
- the vaporization chamber 174 has a substantially vertical longitudinal axis 176.
- the evaporation chamber may be formed substantially hollow cylindrical.
- the evaporation chamber may have an outer wall made of steel and a ceramic inner lining, for example of cement wool and / or stone.
- the upper region of the interior 178 of the evaporation chamber 174 forms an evaporation zone 180, into which an atomizing device 182 in the form of an atomizing lance 184 opens.
- the atomizer lance 184 is fed via a remplissigmediumzu slaughterhouse Gustav 186 to be atomized and then in the evaporation zone 180 to be evaporated liquid medium.
- the liquid medium may be a liquid or an aerosol.
- the liquid medium is conveyed to the atomizing device 182 from a liquid medium source (not shown) by means of a liquid medium pump 188 arranged in the liquid medium supply line 186.
- a liquid medium return pipe 190 branches off from the liquid medium supply pipe 186.
- This liquid medium return line 190 opens into the liquid medium supply line 186 upstream of the liquid medium pump 188, so that a part of the liquid medium conveyed by the liquid medium pump 188 can be branched and returned to regulate the amount of the liquid medium supplied to the atomizer 182.
- a control valve 192 is provided in the liquid medium return line 190.
- a check valve 194 for example a magnetically or motor-operated, is arranged in the liquid medium supply line 186.
- the atomizing device 182 is further connected via a compressed air line 196 to a (not shown) compressed air source.
- Compressed air line 196 can supply pressurized air at a pressure of, for example, about 3 bar to atomizing device 182 in order to atomize the liquid medium in atomizing device 182 by means of this compressed air.
- superheated steam can also be used to atomize the liquid medium.
- the upper region of the interior 178 of the evaporation chamber 174 is connected to the combustion chamber 104 of the thermal reactor 102 via a carrier gas supply line 198.
- a Rohgaszumisch Arthur 200 is further provided, which branches off downstream of the RohgaszuGerman Anlagenläse 158 of Rohgaszuclasstechnisch 140 and opens into the carrier gas supply line 198.
- the Rohgaszumisch Arthur 200 is a, for example, pneumatically controllable, control valve 202 is provided, by means of which the supply of raw gas through the Rohgaszumisch admir 200 to the carrier gas in the Sinzu slaughter admir 198 depending on the measured by a temperature sensor 204 temperature of the mixture of carrier gas and raw gas in the Carrier gas supply line 198, downstream of the confluence of the Rohgaszumisch effet 200, is controllable.
- the evaporation chamber 174 is provided with a pilot burner 206 to provide the required for the evaporation of the liquid medium evaporation energy in sudden and strong Schuwertschwankept and / or lack of carrier gas or to be able to initiate a pre-reaction with partial burning of the organic substances contained in the liquid medium.
- the pilot burner 206, a fuel gas via a fuel gas supply line 208 and fresh air as an oxidant via a Frischluftzu réelle Gustav 210 can be fed.
- Both in the Brenngaszumol.technische 208 and in the Frischluftzumoltechnisch 210 is one, for example, motorized or magnetically actuated, control valve 212 or 214 for adjusting the respectively required fuel gas or fresh air quantity is provided.
- a dust filter 216 is arranged, which comprises a arranged on a grating 218 ceramic bulk material as a filter mass 220.
- the mixture of carrier gas and vaporized liquid medium passes through a mixing pipe 222 connected to the lower end of the evaporation chamber 174, which flows into the raw gas supply pipe 140 upstream of the raw gas supply fan 158 to mix there with the raw gas coming from the raw gas source ,
- the supply of the mixture of carrier gas and vaporized liquid medium from the evaporation chamber 174 to the Rohgaszumoltechnischmaschinench 140 is arranged by means disposed in the admixing 222, for example, pneumatically actuated control valve 224 in response to the measured by a temperature sensor 226 in the lower region of the interior 178 of the evaporation chamber 174 Temperature adjustable.
- This temperature is, for example, in the range of about 350 ° C. to about 950 ° C.
- a further temperature sensor 228 is provided, which measures the temperature in the interior 178 of the evaporation chamber 174 and triggers a safety shutdown of the evaporation chamber 174 when a predetermined maximum temperature is exceeded.
- a further raw gas mixing line 232 is provided, which branches off the raw gas supply line 140 downstream of the raw gas supply fan 158 and opens into the outlet region 230 of the evaporation chamber 174.
- a, for example, pneumatically actuated, control valve 234 is provided in the Rohgaszumisch Arthur 232.
- the above-described thermal exhaust gas purification apparatus 100 functions as follows.
- the raw gas valve 136a of the first regenerator 106a is opened, while the raw gas valves 136b and 136c of the second regenerator 106b and the third regenerator 106c are closed, so that the raw gas from the raw gas supply line 140 only into the first regenerator 106a enters.
- the heat storage mass 114 of the first regenerator 106a is in the first operating state of the thermal reactor 102 at a relatively high temperature, so that it heats the heat storage mass 114 from bottom to top flowing raw gas.
- the raw gas thus heated enters the combustion chamber 104 at the upper end of the regenerator 106a, whereupon the raw gas with the admixed carrier gas and the admixed vaporized liquid medium in the combustion chamber 104 by thermal oxidation of the contained therein combustible substances is cleaned.
- an operating temperature of up to 1000 0 C is reached in the combustion chamber 104.
- the thus formed, pollutant-free clean gas flows (as viewed in the viewing direction of FIG. 1) from left to right through the combustion chamber 104 and via the mouth of the second regenerator 106b from above into the heat storage mass chamber 110 of the second regenerator 106b.
- the hot clean gas heat to heat storage mass 114 and heats it up so before the hot clean gas leaves the second regenerator 106b through the pre-chamber 108 and the open clean gas valve 142b.
- the clean gas valves 142a and 142c of the first regenerator 106a and of the third regenerator 106c are closed in this first operating state of the thermoreactor 102.
- the clean gas from the second regenerator 106b is discharged from the exhaust gas purification device 100 through the clean gas discharge line 146 and supplied to the exhaust air chimney 148.
- the third regenerator 106c is flushed from top to bottom in this first operating state of the thermal reactor 102 of clean gas from the combustion chamber 104 to remain in the heat storage mass 114 and in the antechamber 108 of this third regenerator 106c remaining raw gas residues through the open purge gas valve 152c of the third Regenerators 106c rinse in the purge gas recirculation line 156 and thus returned to the thermal reactor 102 to be supplied raw gas.
- the purge gas valves 152a and 152b of the first regenerator 106a and the second regenerator 106b are closed in this first operating state of the thermoreactor 102.
- thermoreactor 102 is switched to a second operating state, in which the raw gas valve 136a of the first regenerator 106a is closed and the raw gas valve 136b of the second regenerator 106b is opened, so that the raw gas now flows through the second regenerator 106b into the combustion chamber 104 flows in and thereby heated when passing through the heated in the previous first operating state heat storage mass 114 of the second regenerator 106b.
- the purge gas valve 152c of the third regenerator 106c is also closed, and the clean gas valve 142c of the third regenerator 106c is opened so that the clean gas from the combustion chamber 104 passes through the heat storage mass 114 of the third regenerator 106c purged in the previous operating state Pure gas discharge line 146 escape and thereby heat the heat storage mass 114 of the third regenerator 106c.
- the first regenerator 106a charged with the raw gas in the first operating state is now in the flushing state during the second operating state, in which the purge gas valve 152a of the first regenerator 106a is opened, while the purge gas valve 152c of the third regenerator 106c is now closed.
- the first regenerator 106a is therefore purged with clean gas from the combustion chamber 104 in this operating state.
- a third operating state in which the raw gas enters the combustion chamber 104 through the third regenerator 106c, the clean gas from the combustion chamber 104 follows through the first regenerator 106a into the clean gas discharge line 146, and the second regenerator 106b is purged.
- part of the clean gas is removed continuously from the combustion chamber 104 as carrier gas through the carrier gas supply line 198 and fed to the evaporation zone 180 in the evaporation chamber 174.
- the temperature of the carrier gas relative to the combustion chamber temperature can be lowered.
- the evaporation zone 180 in the evaporation chamber 174 is supplied via the liquid medium supply line 186 with the liquid medium from the liquid medium source, which is atomized in the atomizer 182 by the compressed air supplied through the compressed air line 196.
- This liquid medium is, for example, low-calorie liquid residues and / or waste waters which, because of their composition, do not ignite independently and whose energy content maximally contributes to keeping the temperature level of the carrier gas after mixing with the carrier gas.
- the liquid medium is evaporated in the evaporation zone 180 without oxidation, so that the mixture of carrier gas and compressed evaporated liquid medium due to the required for the evaporation of latent heat has a lower temperature level than the carrier gas before the addition of the liquid medium.
- the droplets of liquid medium formed by the atomizer 182 fall down within the vaporization chamber 174 without contacting the wall of the vaporization chamber 174.
- the extent of the evaporation chamber 174 along its longitudinal axis 176 is dimensioned so that the supplied liquid medium within the evaporation chamber 174 completely evaporated.
- the filter mass 220 of the dust filter 216 may further act as a droplet evaporator, since it has a high heat capacity and therefore, if necessary, completely evaporated up to the filter mass 220 reaching droplets.
- the temperature of the mixture of the carrier gas and the vaporized liquid medium within the vaporization chamber is, for example, about 350 ° C. to about 950 ° C.
- This temperature depends on the temperature of the carrier gas before entering the vaporization chamber 174 and on the latent heat required to vaporize the liquid medium.
- the temperature of the mixture of carrier gas and vaporized liquid medium exiting the vaporization chamber 174 may be varied by partially throttling or increasing the amount of carrier gas supplied.
- raw gas may be supplied from the raw gas supply pipe 140 through the raw gas supply line 232 into the discharge region 230 of the evaporation chamber 174.
- the exit temperature of carrier gas and vaporized Fiüssigme ⁇ ium be brought to, for example, about 150 0 C.
- the carrier gas with the partially reacted or only evaporated organic substances from the liquid medium reacted in the evaporation chamber 174 is mixed into the raw gas stream in the raw gas supply line 140 via the mixing line 222 after leaving the evaporation chamber 174.
- the impurities from the liquid medium reach the thermoreactor 102 and are brought to complete reaction in the combustion chamber 104.
- the pilot burner 206 can be put into operation in the evaporation chamber 174 ,
- the evaporation chamber 174 provides the required residence time for as complete as possible evaporation of the liquid medium and its mixing with the carrier gas available.
- the compressed air-assisted atomizer lance 184 also makes it possible to process and evaporate difficult-to-spray liquid media in the vaporization chamber 174.
- the priority control of the outlet temperature of carrier gas and vaporized liquid medium at the outlet of the vaporization chamber 174 is made by means of the control valve 224 at the outlet of the vaporization chamber 174 which determines the rate of carrier gas flow through the vaporization chamber 174 and thus also the supply of carrier gas to the vaporization chamber 174.
- the supply of raw gas from the Rohgaszumolippomoltechnischmaschinemol 140 in the outlet portion 230 of the evaporation chamber 174 serves primarily for cooling this control valve 224, which may be formed, for example, as a control valve.
- the temperature of the mixture of raw gas, carrier gas and vaporized liquid medium in the Rohgaszumoltechnischtechnisch 140 downstream of the junction of the admixing line 222 is preferably above the dew point (for example, about 80 0 C).
- a second embodiment of a thermal exhaust gas purification device 100 shown in FIG. 2 differs from the first embodiment described above only in that the regulation of the control valve 224 at the outlet of the evaporation chamber 174 does not depend on a temperature measured in the interior 178 of the evaporation chamber 174, but on Dependence on the mixing temperature of raw gas, carrier gas and vaporized liquid medium in the Rohgaszumoltechnisch 140 is controlled.
- a temperature sensor 236 in the raw gas supply line 140 is arranged downstream of the junction of the admixing line 222 into the crude gas feed line 140.
- this temperature sensor 236 may be arranged between the branch of the crude gas mixing line 232, via which raw gas can be fed to the outlet region 230 of the evaporation chamber 174, and the branch of the crude gas mixing line 200, via which raw gas can be fed to the carrier gas supply line 198.
- FIG. 2 the second embodiment of an exhaust gas purification device 100 illustrated in FIG. 2 is identical in construction and function to the first embodiment shown in FIG. 1, to the above description of which reference is made.
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07765036T PL2044368T3 (en) | 2006-07-22 | 2007-07-04 | Thermal exhaust cleaning device and method for thermal exhaust cleaning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006034032.9A DE102006034032B4 (en) | 2006-07-22 | 2006-07-22 | Thermal exhaust gas purification device and method for thermal exhaust gas purification |
PCT/EP2007/005897 WO2008011965A1 (en) | 2006-07-22 | 2007-07-04 | Thermal exhaust cleaning device and method for thermal exhaust cleaning |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2044368A1 true EP2044368A1 (en) | 2009-04-08 |
EP2044368B1 EP2044368B1 (en) | 2012-12-05 |
Family
ID=38523481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07765036A Not-in-force EP2044368B1 (en) | 2006-07-22 | 2007-07-04 | Thermal exhaust cleaning device and method for thermal exhaust cleaning |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2044368B1 (en) |
DE (1) | DE102006034032B4 (en) |
ES (1) | ES2400923T3 (en) |
PL (1) | PL2044368T3 (en) |
WO (1) | WO2008011965A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007032952B4 (en) * | 2006-09-12 | 2010-07-08 | Kba-Metalprint Gmbh | Method for operating a thermal-regenerative exhaust air purification system |
DE102009007725A1 (en) * | 2009-01-28 | 2010-09-09 | Kba-Metalprint Gmbh | Method for operating an oxidation plant and oxidation plant |
DE102015205516A1 (en) | 2014-12-22 | 2016-06-23 | Dürr Systems GmbH | Apparatus and method for thermal exhaust gas purification |
DE102020113657A1 (en) | 2020-05-20 | 2021-11-25 | Dürr Systems Ag | THERMAL EXHAUST AIR PURIFICATION DEVICE |
DE102021125432A1 (en) * | 2021-09-30 | 2023-03-30 | Dürr Systems Ag | FLUID PURIFICATION SYSTEM AND FLUID PURIFICATION METHOD |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1791411A (en) * | 1922-01-27 | 1931-02-03 | Hillebrand Hermann | Method for the total gasification of wet bituminous fuels |
US2231231A (en) * | 1937-08-09 | 1941-02-11 | Union Oil Co | Process and apparatus for catalytic operations |
US2946651A (en) * | 1956-08-09 | 1960-07-26 | Oxy Catalyst Inc | Catalytic treatment of gas streams |
DE19716877C1 (en) * | 1997-04-22 | 1998-12-10 | Schedler Johannes | Thermally-efficient incinerator plant for cost-effective destruction of volatile organic compounds contaminating air |
KR19980082082A (en) | 1998-08-21 | 1998-11-25 | 오석인 | Evaporative Regenerative Incineration System of Organic Wastewater |
DE19858120A1 (en) * | 1998-12-16 | 2000-06-21 | Basf Ag | Process for the thermal treatment of non-flammable liquids |
DE19928214C2 (en) * | 1999-06-19 | 2001-09-13 | Ltg Mailaender Gmbh | Method and device for thermal cleaning of a raw gas |
US6453830B1 (en) * | 2000-02-29 | 2002-09-24 | Bert Zauderer | Reduction of nitrogen oxides by staged combustion in combustors, furnaces and boilers |
EP2446951B1 (en) * | 2010-10-26 | 2012-10-10 | AFRISO-EURO-INDEX GmbH | Device for filtering and removing air from heating oil with return flow valve |
-
2006
- 2006-07-22 DE DE102006034032.9A patent/DE102006034032B4/en not_active Expired - Fee Related
-
2007
- 2007-07-04 ES ES07765036T patent/ES2400923T3/en active Active
- 2007-07-04 EP EP07765036A patent/EP2044368B1/en not_active Not-in-force
- 2007-07-04 PL PL07765036T patent/PL2044368T3/en unknown
- 2007-07-04 WO PCT/EP2007/005897 patent/WO2008011965A1/en active Application Filing
Non-Patent Citations (1)
Title |
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DE102006034032A1 (en) | 2008-01-24 |
PL2044368T3 (en) | 2013-05-31 |
EP2044368B1 (en) | 2012-12-05 |
WO2008011965A1 (en) | 2008-01-31 |
ES2400923T3 (en) | 2013-04-15 |
DE102006034032B4 (en) | 2019-10-17 |
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