CN213202778U - Separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination - Google Patents
Separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination Download PDFInfo
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- CN213202778U CN213202778U CN202021387734.7U CN202021387734U CN213202778U CN 213202778 U CN213202778 U CN 213202778U CN 202021387734 U CN202021387734 U CN 202021387734U CN 213202778 U CN213202778 U CN 213202778U
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Abstract
The utility model discloses a separation, desiccation and pyrolysis cooperative zero emission treatment system for oil-containing sludge, which comprises an oil sludge separation device, an oil sludge desiccation device and an oil sludge pyrolysis device, wherein the oil sludge separation device consists of a sludge pump, an adjusting tank A, an adjusting tank B, a flocculating agent dosing machine, a three-phase centrifuge, a screw conveyor and a three-phase separator; the oil sludge drying device comprises a vacuum disc dryer and a reuse water condenser, and the oil sludge pyrolysis device comprises a pyrolysis furnace and an oil furnace. The system organically forms the process technologies of system integration, comprehensive treatment and recycling by three different equipment technologies of separation, drying and pyrolysis which are independently treated, and realizes a complete set of processes of continuous, large-batch or split treatment according to different requirements; the waste heat generated after pyrolysis can heat the heat conducting oil, and the waste water generated by the drier enters a three-phase separation system for recycling, thereby achieving the purposes of recycling, harmlessness, reduction and cyclic comprehensive treatment.
Description
Technical Field
The utility model relates to a sludge treatment technical field specifically is a separation, mummification, pyrolysis zero release processing system in coordination of oily sludge.
Background
The oil sludge mainly comprises scum oil sludge generated in daily production and operation of a combined station, tank-cleaning bottom mud generated in the dredging of various containers of an oil field, solid, semi-solid or liquid oil, mud, water and other ground oil sludge generated in the leakage cleaning process of production (storage and transportation) facilities and the like.
The oil sludge has complex source, is dried in the open air for a long time, has more impurities, cannot be directly filtered, and simultaneously has the problems that the oil sludge cannot be discharged from a pulling and transporting tank car and cannot flow in a pipeline pump, and the oil sludge is scattered during treatment to cause environmental pollution.
In order to standardize the storage and resource utilization of the oil sludge and adhere to the treatment principle of reduction, reclamation and harmlessness of the oil sludge, the improvement of the treatment technical level of the oil sludge is urgently needed, and the reutilization of the oil sludge resource is realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination to reach resourceization, innoxious, minimizing, circulation combined treatment purpose, with the problem of proposition in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a separation, drying and pyrolysis synergetic zero-emission treatment system for oil-containing sludge comprises an oil sludge separation device, an oil sludge drying device and an oil sludge pyrolysis device, wherein the oil sludge separation device consists of a sludge pump, an adjusting tank A, an adjusting tank B, a flocculating agent dosing machine, a three-phase centrifugal machine, a spiral conveyor and a three-phase separating machine; one end of the sludge pump is connected to the oil sludge raw material tank, and the other end of the sludge pump is respectively connected with the adjusting tank A and the adjusting tank B; the outlet end of the flocculant dosing machine is connected with a dosing pump, and the other end of the dosing pump is respectively connected to the adjusting tank A and the adjusting tank B; the outlet ends of the adjusting tank A and the adjusting tank B are connected to a centrifugal pump, the outlet end of the centrifugal pump is connected with a three-phase centrifugal machine, the outlet end of the three-phase centrifugal machine is opposite to a spiral conveyor, the outlet end of the spiral conveyor is connected with a three-phase separator, and the three-phase separator is in butt joint with an oil sludge drying device;
the oil sludge drying device comprises a vacuum disc dryer and a reuse water condenser, the reuse water condenser is connected with the vacuum disc dryer, and a feed inlet butted with the three-phase separator is formed in the vacuum disc dryer; the vacuum disc dryer is also provided with a nitrogen adding port, an exhaust port of the vacuum disc dryer is connected with an air-closing and air-closing fan, and an exhaust port of the air-closing and air-closing fan is connected to the oil sludge pyrolysis device;
the oil sludge pyrolysis device comprises a pyrolysis furnace and an oil furnace; a pyrolysis ash outlet and a natural gas inlet are formed in the pyrolysis furnace; the pyrolysis furnace is connected with the oil furnace, and the oil furnace is respectively connected with the vacuum disc dryer, the adjusting tank A and the adjusting tank B through pipelines.
Preferably, a flocculant adding port and a water inlet are formed in the flocculant dosing machine.
Preferably, an oil discharge pipeline and a water discharge pipeline are arranged on the three-phase centrifuge, and the other end of the water discharge pipeline is connected to the oil sludge drying device.
Preferably, the adjusting tank A and the adjusting tank B are provided with built-in stirring shafts and are driven by motors.
Preferably, the model of the pyrolysis furnace is an LXRF series vertical rotary pyrolysis furnace.
Preferably, the type of the vacuum disc dryer is a DHZG series special sludge scattering cylinder dryer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the separation, drying and pyrolysis of the oily sludge cooperate with the zero-emission treatment system, three different equipment technologies of separation, drying and pyrolysis which are independently treated are organically formed into a process technology of system integration, comprehensive treatment and cyclic utilization, and a complete process of continuous, large-batch or split treatment according to different requirements is realized; the vacuum disc dryer is a special DHZG sludge scattering cylinder dryer, and the pyrolysis furnace is an LXRF vertical rotary pyrolysis furnace, so that the treatment capacity of oily sludge is greatly improved, the safety and stability of system treatment are improved, and the difficult problems of easy blockage, coking, poor tightness and the like of the system are effectively relieved; in addition, waste heat generated after pyrolysis can heat conduction oil and serve as a supplementary heating carrier of a three-phase separation system to achieve the purpose of energy-saving recycling, generated pyrolysis gas serves as supplementary energy of a pyrolysis furnace for recycling, water vapor generated by a drying machine is condensed by recycled water cooling or supplementary cooling water, generated wastewater enters the three-phase separation system for recycling, and waste gas enters a pyrolysis gas treatment system for uniform treatment and then is discharged after reaching the standard, so that the purposes of recycling, harmlessness, reduction and recycling comprehensive treatment are achieved.
Drawings
FIG. 1 is a system structure connection diagram of the present invention;
FIG. 2 is a connection diagram of the sludge separation apparatus of the present invention;
FIG. 3 is a connection diagram of the sludge drying apparatus of the present invention;
fig. 4 is a connection diagram of the oil sludge pyrolysis device of the utility model.
In the figure: 1. an oil-sludge separation device; 101. a sludge pump; 102. adjusting a tank A; 103. a regulating tank B; 104. a flocculating agent dosing machine; 1041. a flocculant addition port; 1042. a water inlet; 105. a three-phase centrifuge; 1051. an oil discharge pipe; 1052. a water discharge pipeline; 106. a screw conveyor; 107. a three-phase separator; 108. an oil sludge feedstock tank; 109. a dosing pump; 2. an oil sludge drying device; 201. a vacuum disc dryer; 202. a feed inlet; 203. a nitrogen addition port; 204. closing the air and shutting down the fan; 205. a reuse water condenser; 3. an oil sludge pyrolysis device; 301. a pyrolysis furnace; 302. an oil furnace; 303. a pyrolysis ash outlet; 304. and (4) natural gas inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a separation, drying and pyrolysis cooperative zero-emission treatment system for oil-containing sludge comprises an oil sludge separation device 1, an oil sludge drying device 2 and an oil sludge pyrolysis device 3, wherein the oil sludge separation device 1 consists of a sludge pump 101, an adjusting tank A102, an adjusting tank B103, a flocculant dosing machine 104, a three-phase centrifuge 105, a screw conveyor 106 and a three-phase separator 107; one end of a sludge pump 101 is connected to a sludge raw material tank 108, and the other end of the sludge pump is respectively connected with an adjusting tank A102 and an adjusting tank B103; the outlet end of the flocculant dosing machine 104 is connected with a dosing pump 109, and the other end of the dosing pump 109 is respectively connected to the regulating tank A102 and the regulating tank B103; the outlet ends of the adjusting tank A102 and the adjusting tank B103 are connected to a centrifugal pump 110, the outlet end of the centrifugal pump 110 is connected with a three-phase centrifuge 105, the outlet end of the three-phase centrifuge 105 is opposite to a screw conveyor 106, the outlet end of the screw conveyor 106 is connected with a three-phase separator 107, and the three-phase separator 107 is in butt joint with the sludge drying device 2.
The oil sludge drying device 2 comprises a vacuum disc dryer 201 and a reuse water condenser 205, the reuse water condenser 205 is connected with the vacuum disc dryer 201, and a feed inlet 202 butted with the three-phase separator 107 is formed in the vacuum disc dryer 201; the vacuum disc dryer 201 is further provided with a nitrogen adding port 203, an exhaust port of the vacuum disc dryer 201 is connected with an air-closing and air-closing fan 204, and an exhaust port of the air-closing and air-closing fan 204 is connected to the oil sludge pyrolysis device 3.
The oil sludge pyrolysis device 3 comprises a pyrolysis furnace 301 and an oil furnace 302; a pyrolysis ash outlet 303 and a natural gas inlet 304 are formed in the pyrolysis furnace 301; the pyrolysis furnace 301 is connected with an oil furnace 302, and the oil furnace 302 is respectively connected with the vacuum disc dryer 201, the adjusting tank A102 and the adjusting tank B103 through pipelines.
In the above embodiment, the flocculant dosing machine 104 is provided with a flocculant adding port 1041 and a water inlet port 1042.
In the above embodiment, the three-phase centrifuge 105 is provided with the oil discharge pipe 1051 and the water discharge pipe 1052, and the other end of the water discharge pipe 1052 is connected to the sludge drying apparatus 2.
In the above embodiment, the conditioning tank a102 and the conditioning tank B103 are provided with an internal stirring shaft and are driven by a motor.
In the above embodiment, the model of the pyrolysis furnace 301 is a vertical rotary pyrolysis furnace of LXRF series.
In the above embodiment, the model of the vacuum disc dryer 201 is a DHZG series special sludge scattering cylinder dryer.
The working principle is as follows: the separation, drying and pyrolysis of the oily sludge cooperate with the zero-emission treatment system, three different equipment technologies of separation, drying and pyrolysis which are independently treated are organically formed into a process technology of system integration, comprehensive treatment and cyclic utilization, and a complete process of continuous, large-batch or split treatment according to different requirements is realized; the vacuum disc dryer 201 is a DHZG series sludge special scattering cylinder dryer, and the pyrolysis furnace 301 is an LXRF series vertical rotary pyrolysis furnace, so that the treatment capacity of oily sludge is greatly improved, the safety and stability of system treatment are improved, and the difficult problems of easy blockage, coking, poor tightness and the like of the system are effectively relieved; in addition, waste heat generated after pyrolysis can heat conduction oil and serve as a supplementary heating carrier of a three-phase separation system (or a drier) to achieve the purpose of energy-saving recycling, generated pyrolysis gas is recycled as supplementary energy of a pyrolysis furnace, water vapor generated by the drier is condensed by recycled water cooling or supplementary cooling water, generated wastewater enters the three-phase separation system for recycling, and waste gas enters a pyrolysis gas treatment system for uniform treatment and then is discharged after reaching the standard, so that the purposes of recycling, harmlessness, reduction and recycling comprehensive treatment are achieved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination, includes fatlute separator (1), fatlute mummification device (2) and fatlute pyrolysis device (3), its characterized in that:
the oil-sludge separation device (1) consists of a sludge pump (101), an adjusting tank A (102), an adjusting tank B (103), a flocculant dosing machine (104), a three-phase centrifuge (105), a screw conveyor (106) and a three-phase separator (107); one end of the sludge pump (101) is connected to the sludge raw material tank (108), and the other end of the sludge pump is respectively connected with the adjusting tank A (102) and the adjusting tank B (103); the outlet end of the flocculant dosing machine (104) is connected with a dosing pump (109), and the other end of the dosing pump (109) is respectively connected to the adjusting tank A (102) and the adjusting tank B (103); the outlet ends of the adjusting tank A (102) and the adjusting tank B (103) are connected to a centrifugal pump (110), the outlet end of the centrifugal pump (110) is connected with a three-phase centrifuge (105), the outlet end of the three-phase centrifuge (105) is opposite to a screw conveyor (106), the outlet end of the screw conveyor (106) is connected with a three-phase separator (107), and the three-phase separator (107) is butted with the oil sludge drying device (2);
the oil sludge drying device (2) comprises a vacuum disc dryer (201) and a reuse water condenser (205), the reuse water condenser (205) is connected with the vacuum disc dryer (201), and a feed inlet (202) butted with a three-phase separator (107) is formed in the vacuum disc dryer (201); a nitrogen adding port (203) is further formed in the vacuum disc dryer (201), an exhaust port of the vacuum disc dryer (201) is connected with an air-closing machine (204), and an exhaust port of the air-closing machine (204) is connected to the oil sludge pyrolysis device (3);
the oil sludge pyrolysis device (3) comprises a pyrolysis furnace (301) and an oil furnace (302); a pyrolysis ash outlet (303) and a natural gas inlet (304) are formed in the pyrolysis furnace (301); the pyrolysis furnace (301) is connected with the oil furnace (302), and the oil furnace (302) is respectively connected with the vacuum disc dryer (201), the adjusting tank A (102) and the adjusting tank B (103) through pipelines.
2. The system of claim 1, wherein the separation, drying and pyrolysis of the oily sludge are cooperated with zero emission treatment, and the system comprises: and a flocculant adding port (1041) and a water inlet (1042) are arranged on the flocculant dosing machine (104).
3. The system of claim 1, wherein the separation, drying and pyrolysis of the oily sludge are cooperated with zero emission treatment, and the system comprises: and an oil discharge pipeline (1051) and a water discharge pipeline (1052) are arranged on the three-phase centrifuge (105), and the other end of the water discharge pipeline (1052) is connected into the oil sludge drying device (2).
4. The system of claim 1, wherein the separation, drying and pyrolysis of the oily sludge are cooperated with zero emission treatment, and the system comprises: the adjusting tank A (102) and the adjusting tank B (103) are provided with built-in stirring shafts and are driven by motors.
5. The system of claim 1, wherein the separation, drying and pyrolysis of the oily sludge are cooperated with zero emission treatment, and the system comprises: the model of the pyrolysis furnace (301) is an LXRF series vertical rotary pyrolysis furnace.
6. The system of claim 1, wherein the separation, drying and pyrolysis of the oily sludge are cooperated with zero emission treatment, and the system comprises: the model of the vacuum disc dryer (201) is a DHZG series special sludge scattering cylinder dryer.
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| CN202021387734.7U CN213202778U (en) | 2020-07-14 | 2020-07-14 | Separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination |
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| CN202021387734.7U CN213202778U (en) | 2020-07-14 | 2020-07-14 | Separation, mummification, pyrolysis of oiliness mud are zero release processing system in coordination |
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