EP3941641A1 - Verfahren zur verarbeitung explosionsfähiger produkte in einer trennmaschine und trennmaschine - Google Patents
Verfahren zur verarbeitung explosionsfähiger produkte in einer trennmaschine und trennmaschineInfo
- Publication number
- EP3941641A1 EP3941641A1 EP20837964.4A EP20837964A EP3941641A1 EP 3941641 A1 EP3941641 A1 EP 3941641A1 EP 20837964 A EP20837964 A EP 20837964A EP 3941641 A1 EP3941641 A1 EP 3941641A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- cooling liquid
- temperature
- machine housing
- cooling
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
- B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
- B04B7/06—Safety devices ; Regulating
Definitions
- the invention relates to a method for processing explosive products in a cutting machine, which comprises a rotating device located in a drum, the drum being located in a machine housing, according to claim 1. Furthermore, the invention relates to a cutting machine for performing a method according to the invention for processing explosive products Products according to claim 9.
- a threshold with regard to the processing temperature for pure, non-halogenated liquids is defined as 5 K below the flash point of the liquid.
- a threshold with regard to the processing temperature for solvent mixtures without halogenated components is defined as 15 K below the flash point.
- the flash point inside the separating machine in particular inside the solid bowl centrifuge or inside the separator, can be exceeded, so that a dangerous, potentially explosive atmosphere can form.
- inerting processes In order to be able to process such products, explosion protection within cutting machines, in particular within solid bowl screw centrifuges or separators, has so far been ensured by inerting processes. This avoids the formation of an explosive atmosphere inside the cutting machine.
- an inerting unit In order to be able to carry out such an inerting process, an inerting unit is required which monitors and controls the supply of inert gas to the separating machine and the maintenance of the necessary pressures within the separating machine. In this way, the inert atmosphere inside the cutting machine can be guaranteed.
- a further object of the invention is to specify a cutting machine, in particular a solid bowl screw centrifuge or a separator, which is used to carry out a method according to the invention for processing explosive products.
- the object of the invention is achieved by a method for processing explosive products in a cutting machine, according to the teaching according to claim 1. Furthermore, the object of the invention is achieved by a cutting machine for performing a method according to the invention, according to the teaching according to claim 9.
- the subclaims represent at least useful configurations and developments of the method according to the invention or the cutting machine according to the invention.
- the method according to the invention for processing explosive products in a cutting machine provides that the cutting machine first comprises a rotating device located in a drum, the drum itself being located in a machine housing. According to the invention, an outer surface of the drum is acted upon, in particular sprayed, directly or indirectly, at least in sections and / or at times, with cooling liquid during the processing of the products. Furthermore, the temperature in the machine housing is monitored during processing.
- the method according to the invention for processing explosive products in a full-bowl screw centrifuge provides that the full-bowl screw centrifuge initially comprises a screw located in a drum, the drum itself being located in a machine housing. According to the invention, an outer surface of the drum is acted upon, in particular sprayed, directly or indirectly, at least in sections and / or at times, with cooling liquid during the processing of the products. Furthermore, the temperature in the machine housing is monitored during processing.
- the method according to the invention for processing explosive products in a separator provides that the separator initially comprises a rotatable disk package located in a drum, the drum itself being located in a machine housing. According to the invention, an outer surface of the drum is acted upon, in particular sprayed, directly or indirectly, at least in sections and / or at times, with cooling liquid during the processing of the products. Furthermore, the temperature in the machine housing is monitored during processing.
- a method for processing explosive products in a separating machine is made available which can be used equally for solid bowl screw centrifuges and separators.
- the outer surface of the drum of a solid bowl screw centrifuge is to be understood as the surface of the drum that is not designed on the inside, ie not pointing in the direction of the screw. In other words, the outer surface of the drum forms the rotor surface.
- the component group formed from the screw and the bowl is called the rotor.
- the outer surface of the drum of a separator is to be understood as the surface of the drum that is not on the inside, i.e. H. not pointing in the direction of the plate assembly is formed.
- the outer surface of the drum is acted upon, in particular sprayed, with cooling liquid at least in sections during the processing of the products.
- both the surface of the drum and the inner surfaces of the machine housing are acted upon, in particular sprayed, with cooling liquid at least in sections and / or at times during the processing of the products.
- the outer surface of the drum of the cutting machine is acted upon, in particular sprayed, with cooling liquid.
- Direct cooling of the product to be processed and / or the rotating device, in particular the screw or the plate assembly, is usually not, preferably not, necessary.
- the outer surface of the drum and / or the inner surfaces of the machine housing of a solid bowl screw centrifuge is / are at least partially exposed to cooling liquid, in particular sprayed, which surrounds the upper half of the screw with an imaginary division of the screw along the longitudinal axis.
- the outer surface of the drum and / or the inner surfaces of the machine housing of a separator is / are acted upon, in particular sprayed, with cooling liquid, at least in sections, which in a imaginary division of the drum housing along a horizontal axis relates to the upper portion of the drum housing.
- the processing temperature is only 5 Kelvin lower than the flash point.
- the cooling liquid preferably comes into contact with the product to be processed or the processed product at most to a small extent.
- the cooling liquid can be selected according to the product to be processed.
- the cooling liquid is cooling water.
- the outer surface of the drum is preferably sprayed if the cutting machine has a spraying system with several spray nozzles as a cooling device.
- cooling liquid can, for example, take place with such cooling devices that have cooling tubes.
- Such cooling tubes can be routed around the outer surface of the drum.
- the cooling device can be designed in such a way that an intermediate space is formed in the cutting machine.
- a gap is preferably formed between the outer surface of the drum and a housing section spaced from the outer surface of the drum. Cooling liquid can circulate in this space.
- a cooling liquid can flow in a double-walled drum housing. It is therefore possible that the outer surface of the drum is acted upon directly or indirectly with cooling liquid.
- the maximum temperature of the cooling liquid is regulated.
- the temperature of the cooling liquid is regulated to a maximum temperature that is just below the permissible processing temperature of the product.
- the cooling liquid is particularly preferably regulated to a maximum temperature of 35 ° C, in particular 30 ° C, in particular 25 ° C.
- the maximum temperature of the cooling liquid in a tank it is possible for the maximum temperature of the cooling liquid in a tank to be regulated. It is possible for the cutting machine or the cooling device associated with the cutting machine to have a tank, in particular a storage tank, the cooling liquid being stored or temporarily stored in this tank.
- the temperature of the cooling liquid in the tank is preferably regulated on the basis of temperature monitoring of the cooling liquid in the tank. Due to such a temperature monitoring and a corresponding regulation of the maximum temperature of the cooling liquid in a tank, a sufficient temperature difference can be made available.
- a cooling liquid inlet and / or spray nozzles is / are activated at time intervals and cooling liquid, preferably via spray nozzles, is distributed within the machine housing, and preferably in sections on the inside of the machine housing.
- the coolant supply and / or spray nozzles are activated. It is therefore possible that at least some sections of the drum are acted upon, in particular sprayed, while the products are being processed, but not during the entire processing time.
- the application, in particular the spraying, of the drum and thus a cooling process can, for example, only be started after a first temperature threshold value has been recorded. This enables cooling liquid to be saved, since this is only used if this is necessary due to the detected temperatures.
- the temperature of a centrate generated by the separating machine in particular the solid bowl screw centrifuge or the separator, i.e. H. the liquid phase separated from the product is monitored.
- Such monitoring of the centrate detects temperature increases of the product early on during processing. If a permissible centrate temperature is exceeded, it is possible to stop the supply of products to be processed in the separating machine, in particular in the solid bowl screw centrifuge or the separator. In the case of a separator, this can include both the heavy liquid phase and the light liquid phase.
- the supply of liquid, in particular of cooling liquid, into the drum of a solid-bowl screw centrifuge or a separator is preferably carried out via the inlet pipe through which the product to be processed is normally the Drum is fed.
- the supply of liquid is preferably carried out until the temperature value recorded in the machine housing has fallen below the second temperature threshold value again.
- the separating machine in particular the solid-bowl screw centrifuge or the separator, is preferably switched off.
- the solid bowl screw centrifuge or the separator is shut down in a safety-oriented manner when the third temperature threshold value is reached.
- a restart of the solid bowl centrifuge or the separator should preferably only be possible after the temperature (s) recorded in the machine housing and / or in the liquid phase flow have fallen below the second temperature threshold value.
- the cooling liquid itself is cooled in such a way that the maximum temperature of the cooling liquid has a lower value than was specified before the first temperature threshold value was detected.
- the cooling liquid temperature can be regulated as a function of the temperature (s) detected in the machine housing.
- a corresponding regulation of the maximum temperature of the cooling liquid can bring about a corresponding cooling of the explosive product located in the drum.
- the regulation of the coolant temperature in particular the regulation of the The temperature of the cooling liquid that is in a tank can take place on the basis of the detection of the temperature in the machine housing and / or in the liquid phase flow as well as by additional detection of the cooling liquid temperature in the tank.
- the throughput of the product is also possible for the throughput of the product to be processed in the cutting machine to take place as a function of recorded temperature values. It is possible that the product feed is stopped if the permissible centrate temperature is exceeded in order to prevent further heating of the product in the drum. It is also possible for the product temperature itself and / or the flow rate to be regulated as a function of the detected centrate temperature. If the flow rate is too low, the heat input into the product is higher during processing and can lead to the second or third temperature threshold being exceeded.
- the cooling liquid is collected in the machine housing after the application, in particular after the spraying, and is then used again for the application, in particular the spraying.
- a cooling liquid circuit can be formed which, after the application, in particular the spraying, of the outer surface of the drum, provides for a collection of the drained cooling liquid and a subsequent application, in particular spraying. It is possible to check the coolant for contamination before using it again, so that the coolant can optionally be cleaned.
- the method according to the invention can be used particularly well in the processing of alcohol products or oil sludge media.
- the alcohol products can, among other things, be potable alcohol products.
- Another aspect of the invention relates to a cutting machine for carrying out the method according to the invention.
- the cutting machine has a rotating device located in a drum, the drum being located in a machine housing.
- a cooling device in particular a spraying system with several spray nozzles, is formed in the machine housing, the cooling device, in particular at least one of the spray nozzles, being directed at the outer surface of the drum or arranged in such a way that the outer surface of the drum is directly or indirectly exposed to a cooling liquid can be acted upon.
- at least one temperature monitoring unit is formed in the machine housing.
- a further aspect of the invention relates to a solid bowl screw centrifuge for carrying out the method according to the invention.
- the solid bowl screw centrifuge has a screw located in a drum, the drum being located in a machine housing.
- a cooling device in particular a spraying system with several spray nozzles, is formed in the machine housing, the cooling device, in particular at least one of the spray nozzles, being directed at the outer surface of the drum or arranged in such a way that the outer surface of the drum is directly or indirectly exposed to a cooling liquid can be acted upon.
- at least one temperature monitoring unit is formed in the machine housing.
- a separator for carrying out the method according to the invention.
- the separator has a rotatable disk package located in a drum, the drum being located in a machine housing.
- a cooling device in particular a spraying system with several spray nozzles, is formed in the machine housing, the cooling device, in particular at least one of the spray nozzles, being directed at the outer surface of the drum or arranged in such a way that the outer surface of the drum is directly or indirectly exposed to a cooling liquid can be acted upon.
- at least one temperature monitoring unit is formed in the machine housing.
- a full-bowl screw centrifuge according to the invention can be both a 2-phase full-bowl screw centrifuge and a 3-phase full-bowl screw centrifuge.
- a separator according to the invention can be both a 2-phase separator and a 3-phase separator.
- the cooling device can, for example, be such a device that has cooling tubes.
- Such cooling tubes can be arranged on the surface of the drum. In such a case, a cooling liquid is indirectly applied to the outer surface of the drum.
- the cooling device is designed as an intermediate space formed in the machine housing, wherein a cooling liquid can be circulated in the intermediate space and the intermediate space is formed by at least one outer surface of the drum and a further housing section spaced from the outer surface.
- a cooling liquid can be applied directly to the outer surface of the drum.
- a type of double-walled housing is formed into which the cooling medium can be introduced continuously.
- the drum it is possible for the drum to have a double-walled drum housing, a cooling liquid being able to flow in the intermediate space formed due to the double-walled structure.
- the advantage of such an embodiment of the invention lies in the large-area exposure of the outer surface of the drum with cooling liquid.
- the cooling device does not have to be arranged in a targeted manner, since a cooling liquid can be applied to almost the entire surface of the drum.
- the spray nozzles are preferably formed in an upper side or in the area of an upper side of the machine housing or in the area of a cover surface of the machine housing.
- the inside of the machine housing can be sprayed with cooling liquid, at least in sections.
- Such an arrangement of the spray nozzles enables in particular the outer surface of the drum of a solid bowl screw centrifuge to be sprayed with cooling liquid which is located in the upper part with an imaginary division of the screw along the longitudinal axis of the screw.
- At least one of the spray nozzles can be arranged in the machine housing in such a way that with an imaginary division of the drum housing along a horizontal axis, the upper section of the drum housing is sprayed with a cooling liquid.
- the horizontal axis is preferably located at the level of the outlet openings, in particular the outlet nozzles, of the separator.
- the spray nozzles can be arranged in the entire machine housing, so that the drum can also be sprayed with cooling liquid from the side and / or from below.
- the spray nozzles can be arranged in such a way that full cooling of the outer surface of the drum is made possible.
- At least one spray nozzle can also be formed in the area of a fastening web, along which the solids discharge usually flows.
- such a fastening web is double-walled, so that at least one spray nozzle can be arranged in the double-walled construction in particular.
- at least one spray nozzle it is possible for at least one spray nozzle to be arranged in the machine housing in such a way that it is directed from the outside onto the area of the, in particular double-walled, fastening web. Since increased temperatures in connection with the discharge of solids are to be assumed, particularly in the area of the fastening web, the arrangement of at least one spray nozzle in this area is particularly advantageous.
- the temperature monitoring unit can be formed from a temperature sensor. It is also possible for a temperature monitoring unit to additionally have a computing unit. In a In a further embodiment of the invention, it is possible for several sensors to be connected to a single processing unit.
- a temperature monitoring unit and / or a device for cooling the cooling liquid can be formed in a tank for storing the cooling liquid.
- the temperature monitoring unit of the tank for storing the cooling liquid can be connected to the temperature monitoring unit of the machine housing.
- the temperature monitoring unit of the tank for storing the cooling liquid is a unit belonging to the temperature monitoring unit of the machine housing.
- a further temperature monitoring unit can be formed in a liquid phase discharge or in the area of the centrate discharge of the separating machine, in particular the solid bowl screw centrifuge or the separator. With the help of this temperature monitoring unit, the centrate temperature or the temperature of the liquid phase separated by the separating machine, in particular the solid bowl screw centrifuge or the separator, can be determined and / or monitored.
- a temperature monitoring unit can each be formed in the area of the slight liquid phase outlet and in the area of the heavy liquid phase outlet.
- the temperature in connection with a separator according to the invention, it is possible for the temperature to be recorded in a solid cyclone.
- a solid separated or generated by the separator is usually transported into a solid cyclone.
- a collection and return device for used cooling liquid it is also possible for a collection and return device for used cooling liquid to be formed in the machine housing. It is possible that a cleaning unit is formed in this collection and return device. The collected coolant can thus be cleaned again before it is used again.
- a detection unit for determining the degree of contamination of the cooling liquid is also possible.
- such an explosive product can be processed in a separating machine, in particular in a solid bowl screw centrifuge or in a separator, for example, which has a flash point of> 44 ° C. It is also possible to process explosive products that have an even lower flash point by adapting the process and / or the cutting machine accordingly.
- materials of explosion group IIA or IIB can be processed.
- temperature classes TI - T4 can be processed.
- the processing temperature can be: Flash point of the mixture - 9 Kelvin.
- the processing temperature can have a value that is at least 9 Kelvin lower than the flash point of the product to be processed.
- the processing temperature can be: Flash point minus 19 Kelvin.
- the processing temperature can have a value that is at least 19 Kelvin lower than the flash point of the product to be processed.
- the alcohol products can, among other things, be potable alcohol products.
- the full bowl screw centrifuge according to the invention can be operated in Zone 2 IIB T4.
- the solid bowl screw centrifuge 10 shown in FIG. 1 comprises a screw 30 located in a drum 20.
- the component group which includes both the drum 20 and the screw 30 is generally referred to as a rotor.
- the rotor is characterized in that both the drum 20 and the worm 30 rotate.
- the drum 30 or the rotor is located in a machine housing 40.
- a spraying system 50 In the machine housing 40, in particular in the area of the cover side 41 of the machine housing 40, there is a spraying system 50.
- the spraying system 50 has several spray nozzles 51.
- the spray nozzles 51 are directed at the drum 20 in such a way that the outer surface 21 can be sprayed at least in sections with cooling liquid, in particular with cooling water.
- the spray nozzles 51 are preferably aligned in such a way that, in particular, the upper half of the outer surface 21 of the drum 20 is sprayed is made possible.
- the upper half is to be understood as the half of the drum 20 or the outer surface 21 which is formed in an imaginary section through the longitudinal axis L of the screw. Since the drum 20 rotates during the processing of a product, the complete or almost the complete outer surface of the drum 20 is thus cooled during the processing.
- the spray nozzles 51 are distributed within the machine housing 40 in such a way that the cooling liquid also strikes the inner sides 43 of the machine housing 40 in sections.
- spray nozzles are used, which are also arranged in the bottom side 42 of the machine housing 40, so that a simultaneous full circumferential spraying of the outer surface 21 of the drum 20 is made possible during the processing of the product. If spray nozzles are to be formed in the area of the bottom side 42 of the machine housing 40, they may have to be operated at a higher pressure so that the outer surface 21 can be cooled.
- the solid bowl screw centrifuge 10 is designed with a plurality of temperature monitoring units 60-63.
- the temperature monitoring units 60 - 62 determine the temperatures in the machine housing 40.
- the temperature monitoring unit 63 detects or monitors the temperature of the centrate 70 generated by the solid bowl screw centrifuge 10.
- the drum interior 18 In order to process explosive products, these products are transported into the drum interior 18 via the inlet pipe 15. In the interior of the drum 18, which can also be referred to as a separation space, the explosive product is separated into a solid and a centrate 70.
- the solids are correspondingly transported away via a solids outlet 71 (only shown schematically).
- the outer surface 21 of the drum 20 is sprayed with cooling liquid by means of the spray system 50.
- the temperature in the machine housing 40 is recorded or monitored. In the present example, this takes place via the temperature monitoring units 60, 61 and 62.
- the temperature of the centrate 70 is monitored by means of the temperature monitoring unit 63.
- a supply of the product to be processed in the solid bowl screw centrifuge 10 is preferably stopped and cooling liquid, in particular water, is supplied or pumped into the drum 20 .
- the water is transported into the drum interior 18 via the inlet pipe 15. This leads to a temporary cooling and dilution of the product in the interior of the drum 18. A dilution of the product causes an increase in the flash point of the product.
- the solid bowl screw centrifuge 10 is preferably switched off.
- the cooling liquid itself is additionally or alternatively cooled in such a way that the maximum temperature of the cooling liquid has a lower value than was specified before the first temperature threshold value was detected.
- the cooling or temperature regulation of the cooling liquid takes place preferably in the cooling liquid inlet 52 of the spraying system 50.
- the cooling liquid can be collected in the machine housing 40 by means of a collection and return device 80 and then transported to the cooling liquid inlet 52. This enables a Resource-saving use of cooling liquid in a solid bowl screw centrifuge 10.
- a further embodiment of a cutting machine according to the invention namely an embodiment of a separator 10 'is shown.
- the illustrated separator 10 is a 3-phase separator.
- the method according to the invention and the device according to the invention can, however, also be applied to 2-phase separators.
- a rotatable disk pack 30 ′ is arranged in a drum 20.
- the drum 20 is located together with the disk package 30 ′ in the machine housing 40.
- a spraying system 50 is at least partially located in the machine housing 40.
- the spraying system 50 has several spray nozzles 51.
- a spray nozzle 51 is arranged in such a way that, in particular, an upper section of the outer surface 21 of the drum 20 can be sprayed.
- the upper section is to be understood as the section of the drum 20 or the outer surface 21 which is formed in an imaginary section through the horizontal axis H of the drum 20.
- the horizontal axis H runs in particular at the level of the outlet openings 90, which are designed in particular as outlet nozzles.
- the drum 20 rotates during the processing of a product, the upper portion of the outer surface of the drum 20 is thus completely or almost completely cooled during the processing.
- such a spray nozzle 5 is formed, which is directed towards the area of the web 91.
- the separated solid is transported along the web 91. In the area of the web, therefore, increased temperatures in particular are to be expected.
- Another exemplary spray nozzle 51 ′′ is arranged in the area of the lower section or the bottom side 41 of the machine housing 40. Accordingly, the spray nozzle 51 ′′ is oriented in such a way that, in particular, a lower section of the drum 20 can be exposed to cooling liquid.
- the separated solids preferably pass into a solids cyclone 92.
- a spray nozzle 51 can also be formed in this solid cyclone 92.
- the separator 10 ′ is designed with a plurality of temperature monitoring units 60 and 64-67.
- the temperature monitoring unit 60 determines the temperature in the machine housing 40, in particular in the area above the horizontal axis H.
- a temperature monitoring unit 64 is formed in the area of the bottom side 42 of the machine housing 40.
- a temperature monitoring unit 66 is formed in the area of the heavy liquid phase drain 94 and a temperature monitoring unit 65 in the area of the light liquid phase drain 93.
- the temperature monitoring unit 66 detects the temperature of the heavy liquid phase generated by the separator 10 '.
- the temperature monitoring unit 65 detects or monitors the temperature of the light liquid phase generated by the separator 10 '.
- the drum interior 18 In order to process explosive products, these products are transported into the drum interior 18 via the stationary inlet pipe 15. In the interior of the drum 18, which can also be referred to as a separation space, the explosive product is separated into a solid, a light liquid phase and a heavy liquid phase.
- the outer surface 21 of the drum 20 is at least temporarily sprayed with a cooling liquid by means of the spray system 50.
- the temperature in the machine housing 40 is recorded or monitored.
- the temperature of the cooling liquid used in the spraying system 50 It is possible to regulate the temperature of the cooling liquid used in the spraying system 50. In particular, regulation takes place to a maximum of 25 ° C., for example.
- the temperature of the solid in the Area of the bottom side 42 of the machine housing 40 is monitored. Temperature monitoring by means of the temperature monitoring unit 67 in the area of the solid cyclone 92 is also advantageous.
- the detection of temperature threshold values in particular a first, a second and a third temperature threshold value, and the related regulation of the operation of the separator 10 ′ essentially corresponds to the method in connection with the solid bowl screw centrifuge 10. It is therefore also possible that via the inlet pipe 15 during detection a second temperature threshold value is transported into the drum interior 18, a cooling liquid. This leads to a temporary cooling and dilution of the product inside the drum. A dilution of the product causes an increase in the flash point of the product located in the drum interior 18.
- the separator 10 ′ is preferably switched off.
- the cooling liquid can be collected by means of a collection and return device (not shown) and then transported to the cooling liquid inlet 52.
- a collection and return device not shown
Landscapes
- Centrifugal Separators (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019135218.5A DE102019135218A1 (de) | 2019-12-19 | 2019-12-19 | Verfahren zur Verarbeitung explosionsfähiger Produkte in einer Trennmaschine und Trennmaschine |
| PCT/EP2020/086605 WO2021122870A1 (de) | 2019-12-19 | 2020-12-17 | Verfahren zur verarbeitung explosionsfähiger produkte in einer trennmaschine und trennmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3941641A1 true EP3941641A1 (de) | 2022-01-26 |
| EP3941641B1 EP3941641B1 (de) | 2022-08-31 |
Family
ID=74130179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20837964.4A Active EP3941641B1 (de) | 2019-12-19 | 2020-12-17 | Verfahren zur verarbeitung explosionsfähiger produkte in einer trennmaschine und trennmaschine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20230001430A1 (de) |
| EP (1) | EP3941641B1 (de) |
| CN (1) | CN114845813B (de) |
| DE (1) | DE102019135218A1 (de) |
| DK (1) | DK3941641T3 (de) |
| PL (1) | PL3941641T3 (de) |
| WO (1) | WO2021122870A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4480587A1 (de) * | 2023-06-20 | 2024-12-25 | Alfa Laval Corporate AB | Verfahren zum betrieb eines zentrifugalabscheiders |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US392454A (en) * | 1888-11-06 | Apparatus for treating molten slag or material from | ||
| US2000521A (en) * | 1931-06-13 | 1935-05-07 | Sharples Specialty Co | Centrifugal treatment of substances and mechanism therefor |
| US2765978A (en) * | 1953-01-29 | 1956-10-09 | Laval Separator Co De | Temperature control for centrifuges |
| DE2631110C3 (de) * | 1976-07-10 | 1980-09-04 | Westfalia Separator Ag, 4740 Oelde | Selbstreinigende Schleudertrommel |
| SU715141A1 (ru) * | 1977-12-05 | 1980-02-15 | Всесоюзный Научно-Исследовательский И Экспериментально-Конструкторский Институт Продовольственного Машиностроения | Установка дл разделени суспензий лекарственных препаратов |
| DE3105914A1 (de) * | 1981-02-18 | 1982-09-09 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur entgasung von fluessigkeiten und vorrichtung zur durchfuehrung des verfahrens |
| DE10139466A1 (de) * | 2001-08-10 | 2003-02-20 | Bayer Ag | Verfahren zur Abtrennung von Blutplasmapartikeln aus einer Blutplasmasuspension |
| CN2897446Y (zh) * | 2006-02-24 | 2007-05-09 | 中国石油天然气集团公司 | 内部密封可连续冲洗的卧螺离心机 |
| SE533562C2 (sv) * | 2009-03-06 | 2010-10-26 | Alfa Laval Corp Ab | Centrifugalseparator |
| DE102011107158A1 (de) * | 2011-07-14 | 2013-01-17 | Gea Mechanical Equipment Gmbh | Zentrifuge |
| DE102014108236A1 (de) * | 2014-06-12 | 2015-12-17 | Gea Mechanical Equipment Gmbh | Vollmantel-Schneckenzentrifuge und Verfahren zu deren Betrieb |
| CN108097478B (zh) * | 2018-01-31 | 2024-01-26 | 浙江轻机离心机制造有限公司 | 防止乳胶浓缩分离过程粘结的转鼓芯部冷却装置 |
| CN208642991U (zh) * | 2018-06-22 | 2019-03-26 | 苏州瑞威离心分离技术有限公司 | 一种带有冷却装置的离心机 |
| CN209613267U (zh) * | 2019-02-20 | 2019-11-12 | 辽宁富一机械有限公司 | 一种密闭式碟式分离机 |
| CN110075567B (zh) * | 2019-05-28 | 2021-09-28 | 河北万邦复临药业有限公司 | 一种高压喷雾结合逆流沉淀的离心装置及方法 |
-
2019
- 2019-12-19 DE DE102019135218.5A patent/DE102019135218A1/de not_active Ceased
-
2020
- 2020-12-17 CN CN202080088378.5A patent/CN114845813B/zh active Active
- 2020-12-17 EP EP20837964.4A patent/EP3941641B1/de active Active
- 2020-12-17 PL PL20837964.4T patent/PL3941641T3/pl unknown
- 2020-12-17 WO PCT/EP2020/086605 patent/WO2021122870A1/de not_active Ceased
- 2020-12-17 US US17/784,757 patent/US20230001430A1/en active Pending
- 2020-12-17 DK DK20837964.4T patent/DK3941641T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3941641B1 (de) | 2022-08-31 |
| PL3941641T3 (pl) | 2023-03-20 |
| CN114845813B (zh) | 2024-08-20 |
| CN114845813A (zh) | 2022-08-02 |
| US20230001430A1 (en) | 2023-01-05 |
| DE102019135218A1 (de) | 2021-06-24 |
| WO2021122870A1 (de) | 2021-06-24 |
| DK3941641T3 (da) | 2022-11-28 |
| BR112022011033A2 (pt) | 2022-08-23 |
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