CN205115385U - Oxidized asphalt device - Google Patents
Oxidized asphalt device Download PDFInfo
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- CN205115385U CN205115385U CN201520846811.3U CN201520846811U CN205115385U CN 205115385 U CN205115385 U CN 205115385U CN 201520846811 U CN201520846811 U CN 201520846811U CN 205115385 U CN205115385 U CN 205115385U
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Abstract
The utility model discloses an oxidized asphalt device relates to pitch production technical field. Including the oxidation tower, be equipped with on the oxidation tower and press from both sides cover, heat conduction oil coil pipe, refrigeration cycle water tray pipe, exhanst gas outlet, gaseous phase water filling port, discharge gate and compressed air inlet, feeding device includes the head tank, is equipped with heat conduction oil coil pipe in the head tank, heating device includes high -order oil groove, conduction oil pump, two and heat conduction oil furnace, heat conduction oil furnace oil -out and oxidation tower heat conduction oil coil pipe access connection, and export and conduction oil pump no. 2 and head tank heat conduction oil coil pipe access connection, the export communicates with each other with heat conduction oil furnace oil inlet conduction oil pump no. 2 with head tank heat conduction oil coil pipe, the oxidation tower exhanst gas outlet is connected with separator through the heat sink, and the last pitch flue gas that is equipped with of separator burns the pipeline, and it is connected with the heat conduction oil furnace, and the export of conduction oil kiln gas communicates with each other with the clamp cover, water injection device includes water injection groove and water injection pump, and the water injection pump is connected with the oxidation tower. The utility model discloses rational in infrastructure, energy saving and emission reduction practices thrift the cost.
Description
Technical field
The utility model relates to asphalt production device technical field.
Background technology
Oxidized bitumen is a kind of process for preparing asphalt of refinery.Softening temperature is low, penetration degree and the large vacuum residuum of temperature sensitivity, through pitch or its temper of solvent deoiling, air is passed under certain temperature condition, make it be oxidized and composition change occurs, the softening temperature of pitch is raised, penetration degree and temperature susceplibility reduce, to reach the requirement of bitumen specifications and use properties.Adjust oxidation depth by the condition of feed change composition and blowing air oxidation, road bitumen, building asphalt and other special asphalts can be produced.
Oxidizing tower is the main equipment that oxidized bitumen continous way is produced, and atmospheric operation, passes into pressurized air, and residual oil, at the temperature of 260-280 DEG C, carries out oxidizing reaction.Conventional oxidation tower all adopts liquid phase water filling (to pass through compressed air pipe, air is utilized water evenly with air ejection) at the bottom of tower, the warm section of oxidizing tower is made to control at 260-280 DEG C, vapour phase temperature section (top of tower) utilizes vapour phase water filling to control warm section to be not more than 180 DEG C, and the steam of water filling simultaneously plays the effect (preventing from the steam overtemperature in unreacted air, pitch oxidation process from causing to catch fire or glimmer) of fire-fighting.Raw materials furnace and heating and tail gas burning furnace are generally combined into a process furnace, and incineration tail gas adopts gas or oil fuel to make fuel; Asphalt moulding machine is the major equipment of finished asphalt cooling, and from refrigerating unit to asphalt moulding machine drain hole, asphalt temperature is higher than 200 DEG C; Head tank mainly makes cold feed surge tank.
There is Five problems in traditional oxidized bitumen device: 1, energy consumption is high without waste-heat recovery device.2, be namely oxidized overhead vapor phase water filling by water-cooled, liquid phase water filling at the bottom of oxidizing tower, produce the bad process of a large amount of waste water and peculiar smell is large especially.3, sump oil and emulsification dirty oil dewatering difficult especially moisture special in 50% ~ 70%, and price is lower.4, bitumen flue gas and tail gas, containing a large amount of carcinogenic substance contaminate environment.5, production process steam.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure, energy-saving and emission-reduction, cost-saving oxidized bitumen device.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of oxidized bitumen device, comprise oxidizing tower, feeding device, water filling device, heating unit, tripping device and heat sink, the outside surface of oxidizing tower is provided with can the chuck of admittance hot oil furnace flue gas, oxidizing tower thermal oil coil pipe and oxidizing tower refrigeration cycle water coil is provided with in oxidizing tower, oxidizing tower tower top is provided with oxidizing tower exhanst gas outlet and gas phase water filling port, be provided with oxidizing tower discharge port and compressed air inlet at the bottom of oxidizing tower tower, compressed air inlet is connected with compressor; Feeding device comprises head tank, and head tank discharge port is connected with oxidizing tower opening for feed through feedstock pump, is provided with head tank thermal oil coil pipe in head tank; Heating unit comprises high tank, high tank is connected with heat-conducting oil furnace oil-in through Heat-transfer Oil Pump one, heat-conducting oil furnace oil outlet is connected with the import of oxidizing tower thermal oil coil pipe, oxidizing tower thermal oil coil outlets is connected with Heat-transfer Oil Pump two import and the import of head tank thermal oil coil pipe with pipeline two respectively by pipeline one, and Heat-transfer Oil Pump two exports and head tank thermal oil coil outlets all communicates with heat-conducting oil furnace oil-in; Oxidizing tower exhanst gas outlet is connected with tripping device through heat sink, tripping device is provided with smoke outlet, smoke outlet place is provided with pitch smoke incinerating pipeline, and pitch smoke incinerating pipeline is connected with heat-conducting oil furnace radiation chamber, and heat-conducting oil furnace exhanst gas outlet communicates with the chuck of oxidizing tower; Water filling device comprises water sink, water sink water outlet is connected with one end of waterflood pump, the other end of waterflood pump is provided with water injection pipe one and water injection pipe two, water injection pipe one is connected with oxidizing tower gas phase water filling port, water injection pipe two is connected with the import of oxidizing tower refrigeration cycle water coil, and oxidizing tower cooling circulating water coil outlets is connected with water sink water-in.
Preferably, oxidizing tower is interior, oxidizing tower gas phase water filling port place is provided with water injection pipe three, and water injection pipe three is provided with rotary-atomizing shower nozzle.
Preferably, heat sink comprises pitch cooler and bitumen flue gas water cooler, and oxidizing tower discharge port is connected with asphalt moulding machine by pitch cooler, and oxidizing tower exhanst gas outlet is connected with tripping device by bitumen flue gas water cooler.
Preferred further, bitumen flue gas water cooler is air cooler.
Preferred further, tripping device comprises flash trapping stage tower, the second-order separation tower, gas-liquid separation tower, oily water separation tower, sump pump and sump oil storing device, oxidizing tower exhanst gas outlet, bitumen flue gas water cooler, flash trapping stage tower, the second-order separation tower are connected successively with gas-liquid separation tower, gas-liquid separation top of tower is provided with smoke outlet, smoke outlet place is provided with evacuated tube and pitch smoke incinerating line, pitch smoke incinerating pipeline is connected with heat-conducting oil furnace radiation chamber, and heat-conducting oil furnace exhanst gas outlet communicates with the chuck of oxidizing tower; Flash trapping stage tower, the second-order separation tower are connected with the import of oily water separation tower with the tower bottom outlet of gas-liquid separation tower, the bottom of oily water separation tower is provided with sewage outlet, the middle part of oily water separation tower is connected with one end of sump pump, and the other end of sump pump is connected with sump oil storing device.
Preferably, compressor is screw-type compressor.
The beneficial effect adopting technique scheme to produce is:
(1) the utility model is rational in infrastructure, reduces by an asphalt heating kettle production equipment and does not establish steam oven, and replacing traditional thermal efficiency of heating furnace to be improved with heat-conducting oil furnace, having saved cost well.
(2) effectively make use of fume afterheat, energy-saving and emission-reduction.
(3) liquid phase not water filling cooling circulating water cools, and which reduces the quantity discharged of top sewage, and water saving.
(4) replace vapour phase water filling and steam for fire xtinguishing with the water filling of rotary-atomizing shower nozzle vapour phase, can not steam oven be established like this and economize on water to reduce sewage quantity, reducing investment outlay, energy-saving and emission-reduction.And owing to adopting the method for liquid phase not water filling and the water filling of rotary-atomizing shower nozzle vapour phase, institute produces sump oil moisture little (containing pressurized air and reaction water) and to curry favour with price.
(5) raw material utilizes thermal oil preheating in head tank, enters oxidizing tower by feedstock pump, and oxidizing tower is provided with chuck, utilizes heat-conducting oil furnace flue gas to carry out preheating, and raw material also utilizes oxidizing tower thermal oil coil pipe to be heated to preset temperature in oxidizing tower; Raw material goes out device after fully reacting in oxidizing tower, and tower top bitumen flue gas enters tripping device and is fully separated, and the bitumen flue gas after separation is guided to heat-conducting oil furnace radiation chamber and burned, and energy-saving and emission-reduction are cost-saving.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail;
Fig. 1 is structural representation of the present utility model;
In figure, 1, high tank; 2, heat-conducting oil furnace; 3, chuck; 4, oxidizing tower thermal oil coil pipe; 5, oxidizing tower exhanst gas outlet; 6, oxidizing tower gas phase water filling port; 7, water injection pipe three; 8, oxidizing tower refrigeration cycle water coil; 9, bitumen flue gas water cooler; 10, pitch cooler; 11, flash trapping stage tower; 12, the second-order separation tower; 13, gas-liquid separation tower; 14, evacuated tube; 15, smoke outlet; 16, pitch smoke incinerating pipeline; 17, oily water separation tower; 18, sewage outlet; 19, sump pump; 20, sump oil storing device; 21, water sink; 22, waterflood pump; 23, water injection pipe one; 24, water injection pipe two; 25, compressor; 26, asphalt moulding machine; 27, oxidizing tower discharge port; 28, compressed air inlet; 29, oxidizing tower; 30, feedstock pump; 31, head tank; 32, head tank thermal oil coil pipe; 33, Heat-transfer Oil Pump one; 34, Heat-transfer Oil Pump two; 35, pipeline two; 36, pipeline one.
Embodiment
Embodiment 1
A kind of oxidized bitumen device, comprise oxidizing tower, feeding device, water filling device, heating unit, tripping device and heat sink, the outside surface of oxidizing tower 29 is provided with can the chuck 3 of admittance hot oil furnace flue gas, oxidizing tower thermal oil coil pipe 4 and oxidizing tower refrigeration cycle water coil 8 is provided with in oxidizing tower, oxidizing tower 29 tower top is provided with oxidizing tower exhanst gas outlet 5 and oxidizing tower gas phase water filling port 6, oxidizing tower discharge port 27 and compressed air inlet 28 is provided with at the bottom of oxidizing tower 29 tower, compressed air inlet 28 is connected with compressor 25, and compressor 25 is screw-type compressor.
Feeding device comprises head tank 31, and head tank 31 discharge port is connected with oxidizing tower 29 opening for feed through feedstock pump 30, is provided with head tank thermal oil coil pipe 32 in head tank 31.
Heating unit comprises high tank 1, high tank 1 is connected with heat-conducting oil furnace 2 oil-in through Heat-transfer Oil Pump 1, heat-conducting oil furnace 2 oil outlet is connected with the import of oxidizing tower thermal oil coil pipe 4, oxidizing tower thermal oil coil pipe 4 is exported and is connected with Heat-transfer Oil Pump 2 34 import and the import of head tank thermal oil coil pipe 32 respectively with pipeline 2 35 by pipeline 1, and Heat-transfer Oil Pump 2 34 outlet and head tank thermal oil coil pipe 32 export and all communicate with heat-conducting oil furnace 2 oil-in.
Raw material utilizes thermal oil preheating in head tank 31, enters oxidizing tower 29 by feedstock pump 30, and oxidizing tower 29 is provided with chuck 3, utilizes heat-conducting oil furnace flue gas to carry out preheating, and raw material also utilizes oxidizing tower thermal oil coil pipe 4 to be heated to preset temperature in oxidizing tower 29; Raw material goes out device after fully reacting in oxidizing tower 29, tower top bitumen flue gas enters tripping device and is fully separated, and the bitumen flue gas after separation is guided to heat-conducting oil furnace 2 radiation chamber and burned, and heat-conducting oil furnace flue gas is introduced chuck 3 pairs of oxidizing towers 29 and carried out preheating, energy-saving and emission-reduction, cost-saving.
Oxidizing tower exhanst gas outlet 5 is connected with tripping device through heat sink, tripping device is provided with smoke outlet 15, smoke outlet 15 place is provided with pitch smoke incinerating pipeline 16, and pitch smoke incinerating pipeline 16 is connected with heat-conducting oil furnace 2 radiation chamber, and heat-conducting oil furnace 2 exhanst gas outlet communicates with the chuck 3 of oxidizing tower 29.
Water filling device comprises water sink 21, water sink 21 water outlet is connected with one end of waterflood pump 22, the other end of waterflood pump 22 is provided with water injection pipe 1 and water injection pipe 2 24, water injection pipe 1 is connected with oxidizing tower gas phase water filling port 6, water injection pipe 2 24 is connected with the import of oxidizing tower refrigeration cycle water coil 8, and the outlet of oxidizing tower refrigeration cycle water coil 8 is connected with water sink 21 water-in.Water filling device makes liquid phase not water filling in production process, adopts cooling circulating water to cool, decreases the quantity discharged of top sewage, and water saving.Oxidizing tower 29 is interior, oxidizing tower gas phase water filling port 6 place is provided with water injection pipe 37, and water injection pipe 37 is provided with rotary-atomizing shower nozzle.Replace vapour phase water filling and steam for fire xtinguishing with the water filling of rotary-atomizing shower nozzle vapour phase, can not steam oven be established like this and economize on water to reduce sewage quantity, reducing investment outlay, energy-saving and emission-reduction.
Heat sink comprises pitch cooler 10 and bitumen flue gas water cooler 9, and oxidizing tower discharge port 27 is connected with asphalt moulding machine 26 by pitch cooler 10, and oxidizing tower exhanst gas outlet 5 is connected with tripping device by bitumen flue gas water cooler 9.Bitumen flue gas water cooler 9 is air cooler.
Tripping device comprises flash trapping stage tower 11, the second-order separation tower 12, gas-liquid separation tower 13, oily water separation tower 17, sump pump 19 and sump oil storing device 20, oxidizing tower exhanst gas outlet 5, bitumen flue gas water cooler 9, flash trapping stage tower 11, the second-order separation tower 12 are connected successively with gas-liquid separation tower 13, gas-liquid separation tower 13 top is provided with smoke outlet 15, smoke outlet 15 place is provided with evacuated tube 14 and pitch smoke incinerating line 16, pitch smoke incinerating pipeline 16 is connected with heat-conducting oil furnace 2 radiation chamber, and heat-conducting oil furnace 2 exhanst gas outlet communicates with the chuck 3 of oxidizing tower 29.Oxidizing tower tower top bitumen flue gas enters tripping device and is fully separated, and the bitumen flue gas after separation is guided to heat-conducting oil furnace 2 radiation chamber and burned, and heat-conducting oil furnace flue gas adds the chuck 3 of oxidizing tower 29 again, preheating is carried out to the raw material in oxidizing tower, effectively make use of fume afterheat, energy-saving and emission-reduction, cost-saving.Flash trapping stage tower 11, the second-order separation tower 12 are connected with the import of oily water separation tower 17 with the tower bottom outlet of gas-liquid separation tower 13, the bottom of oily water separation tower 17 is provided with sewage outlet 18, the middle part of oily water separation tower 17 is connected with one end of sump pump 19, and the other end of sump pump 19 is connected with sump oil storing device 20.Carry You Heshui in oxidizing tower tower top bitumen flue gas, bitumen flue gas is through flash trapping stage tower 11, the second-order separation tower 12 and gas-liquid separation tower 13 by flue gas and oily water separation, and You Heshui separates sewage and sump oil through oily water separation tower 17 again.Owing to adopting the method for liquid phase not water filling and the water filling of rotary-atomizing shower nozzle vapour phase, institute produces sump oil moisture little (containing pressurized air and reaction water) and to curry favour with price.
This oxidized bitumen apparatus structure is reasonable, reaches energy-saving and emission-reduction, cost-saving requirement.
Claims (6)
1. an oxidized bitumen device, comprises oxidizing tower (29), feeding device, water filling device, heating unit, tripping device and heat sink, it is characterized in that:
The outside surface of described oxidizing tower (29) is provided with can the chuck (3) of admittance hot oil furnace flue gas, oxidizing tower thermal oil coil pipe (4) and oxidizing tower refrigeration cycle water coil (8) is provided with in oxidizing tower, oxidizing tower (29) tower top is provided with oxidizing tower exhanst gas outlet (5) and oxidizing tower gas phase water filling port (6), be provided with oxidizing tower discharge port (27) and compressed air inlet (28) at the bottom of oxidizing tower (29) tower, compressed air inlet (28) is connected with compressor (25);
Feeding device comprises head tank (31), and head tank (31) discharge port is connected with oxidizing tower (29) opening for feed through feedstock pump (30), is provided with head tank thermal oil coil pipe (32) in head tank (31);
Heating unit comprises high tank (1), high tank (1) is connected with heat-conducting oil furnace (2) oil-in through Heat-transfer Oil Pump one (33), heat-conducting oil furnace (2) oil outlet is connected with oxidizing tower thermal oil coil pipe (4) import, oxidizing tower thermal oil coil pipe (4) outlet is connected with Heat-transfer Oil Pump two (34) import and head tank thermal oil coil pipe (32) import with pipeline two (35) respectively by pipeline one (36), and Heat-transfer Oil Pump two (34) exports and head tank thermal oil coil pipe (32) outlet all communicates with heat-conducting oil furnace (2) oil-in;
Oxidizing tower exhanst gas outlet (5) is connected with tripping device through heat sink, tripping device is provided with smoke outlet (15), smoke outlet (15) place is provided with pitch smoke incinerating pipeline (16), pitch smoke incinerating pipeline (16) is connected with heat-conducting oil furnace (2) radiation chamber, and heat-conducting oil furnace (2) exhanst gas outlet communicates with the chuck (3) of oxidizing tower (29);
Water filling device comprises water sink (21), water sink (21) water outlet is connected with one end of waterflood pump (22), the other end of waterflood pump (22) is provided with water injection pipe one (23) and water injection pipe two (24), water injection pipe one (23) is connected with oxidizing tower gas phase water filling port (6), water injection pipe two (24) is connected with oxidizing tower refrigeration cycle water coil (8) import, and oxidizing tower refrigeration cycle water coil (8) outlet is connected with water sink (21) water-in.
2. oxidized bitumen device according to claim 1, is characterized in that, oxidizing tower (29) is interior, oxidizing tower gas phase water filling port (6) place is provided with water injection pipe three (7), and water injection pipe three (7) is provided with rotary-atomizing shower nozzle.
3. oxidized bitumen device according to claim 1, it is characterized in that, described heat sink comprises pitch cooler (10) and bitumen flue gas water cooler (9), oxidizing tower discharge port (27) is connected with asphalt moulding machine (26) by pitch cooler (10), and oxidizing tower exhanst gas outlet (5) is connected with tripping device by bitumen flue gas water cooler (9).
4. oxidized bitumen device according to claim 3, is characterized in that, bitumen flue gas water cooler (9) is air cooler.
5. oxidized bitumen device according to claim 3, it is characterized in that, described tripping device comprises flash trapping stage tower (11), the second-order separation tower (12), gas-liquid separation tower (13), oily water separation tower (17), sump pump (19) and sump oil storing device (20), oxidizing tower exhanst gas outlet (5), bitumen flue gas water cooler (9), flash trapping stage tower (11), the second-order separation tower (12) is connected successively with gas-liquid separation tower (13), gas-liquid separation tower (13) top is provided with smoke outlet (15), smoke outlet (15) place is provided with evacuated tube (14) and pitch smoke incinerating pipeline (16), pitch smoke incinerating pipeline (16) is connected with heat-conducting oil furnace (2) radiation chamber, heat-conducting oil furnace (2) exhanst gas outlet communicates with the chuck (3) of oxidizing tower (29), flash trapping stage tower (11), the second-order separation tower (12) are connected with the import of oily water separation tower (17) with the tower bottom outlet of gas-liquid separation tower (13), the bottom of oily water separation tower (17) is provided with sewage outlet (18), the middle part of oily water separation tower (17) is connected with one end of sump pump (19), and the other end of sump pump (19) is connected with sump oil storing device (20).
6. oxidized bitumen device according to claim 1, is characterized in that, compressor (25) is screw-type compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846811.3U CN205115385U (en) | 2015-10-29 | 2015-10-29 | Oxidized asphalt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520846811.3U CN205115385U (en) | 2015-10-29 | 2015-10-29 | Oxidized asphalt device |
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| Publication Number | Publication Date |
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| CN205115385U true CN205115385U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520846811.3U Active CN205115385U (en) | 2015-10-29 | 2015-10-29 | Oxidized asphalt device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227167A (en) * | 2017-07-24 | 2017-10-03 | 洛阳融惠化工科技有限公司 | A kind of use heavy solvent de-oiled asphalt produces the method and device of superhard pitch |
-
2015
- 2015-10-29 CN CN201520846811.3U patent/CN205115385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227167A (en) * | 2017-07-24 | 2017-10-03 | 洛阳融惠化工科技有限公司 | A kind of use heavy solvent de-oiled asphalt produces the method and device of superhard pitch |
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| CP01 | Change in the name or title of a patent holder |
Address after: 061100 North Side of Bohai New Area Water Supply Company, Cangzhou City, Hebei Province Patentee after: Hebei Rente Chemical Industry Group Co., Ltd. Address before: 061100 North Side of Bohai New Area Water Supply Company, Cangzhou City, Hebei Province Patentee before: HEBEI LUNTE PETROLEUM CHEMICAL CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |