CN210314131U - Non-degradable substance thermal decomposition system - Google Patents
Non-degradable substance thermal decomposition system Download PDFInfo
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- CN210314131U CN210314131U CN201821871996.3U CN201821871996U CN210314131U CN 210314131 U CN210314131 U CN 210314131U CN 201821871996 U CN201821871996 U CN 201821871996U CN 210314131 U CN210314131 U CN 210314131U
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Abstract
The utility model discloses a non-degradation material thermal decomposition system, including the pyrolysis furnace, for the heat facility, the rectifying column, cooling device, oil mist separator, circulating fan, oil storage device and exhaust-gas treatment device, the pyrolysis furnace, the rectifying column, condenser and oil mist separator loop through gas transmission pipeline and connect, wherein, the pyrolysis furnace passes through circulating fan and is connected with the oil mist separator in order to retrieve the pyrolysis waste gas, be connected with pyrolysis furnace and exhaust-gas treatment device respectively for the heat facility, the oil storage device passes through cooling device and is connected with rectifying column and condenser respectively. The utility model discloses can follow bad heavy light crude oil of, effective separation that utilizes steam.
Description
Technical Field
The utility model relates to an organic matter decomposes processing technology field, concretely relates to non-degradation material thermal decomposition system.
Background
Crude oil extracted from a well generally contains a certain amount of water, and the crude oil contains more water, which causes waste in storage and transportation, increases equipment and consumes more energy; most of water in the crude oil contains salts, so that corrosion of equipment, containers and pipelines is accelerated; in the process of refining petroleum, when water and crude oil are heated together, the water can be vaporized and expanded rapidly, the pressure rises, the normal operation and the product quality of a refinery are affected, and even explosion can occur. Therefore, dehydration is required before the crude oil is exported.
When oil in the formation reaches the oil and gas well mouth and then flows along the oil outlet pipe or the gas production pipe, gas and liquid phases are often formed along with the change of pressure and temperature conditions. In order to meet the requirements of oil and gas well product metering, processing, storage and transportation in a mining plant, the formed gas phase and the liquid phase must be separated and transported by different pipelines, which is called physical or mechanical separation. The natural gas components dissolved in the purified crude oil are gasified and separated from the crude oil, the dissolved natural gas components with high vapor pressure in the crude oil are removed more completely, and the process of reducing the vapor pressure of the crude oil at normal temperature and normal pressure is called as crude oil stabilization. Crude oil stabilization is usually the last step in the processing of crude oil plants, and the stabilized crude oil becomes a qualified commercial crude oil.
At present, crude oil is separated by using a thermal separation technology, the generated waste gas is discharged outside to generate great influence on the environment, and the generated hot gas is generally directly discharged to cause great waste of heat energy resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can follow the not degradation material thermal decomposition system that utilizes steam, effectively separate heavy light crude oil not enough to prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a non-degradable substance thermal decomposition system comprises a thermal decomposition furnace, a heat supply device, a rectifying tower, a cooling device, an oil mist separator, a circulating fan, an oil storage device and a waste gas treatment device, wherein the thermal decomposition furnace, the rectifying tower, a condenser and the oil mist separator are sequentially connected through a gas transmission pipeline, the thermal decomposition furnace is connected with the oil mist separator through the circulating fan to recover thermally decomposed waste gas, the heat supply device is respectively connected with the thermal decomposition furnace and the waste gas treatment device to provide hot gas for the thermal decomposition furnace and provide redundant hot gas for the waste gas treatment device, and the oil storage device is respectively connected with the rectifying tower and the condenser through the cooling device.
Further, the oil storage device comprises a heavy oil tank and a light oil tank, the heavy oil tank is connected with the rectifying tower through a centrifugal water pump, the light oil tank is connected with the condenser through a gear oil pump, and a float type liquid level meter is further arranged inside the light oil tank. The float type liquid level meter has the characteristics of simple structure and good anti-leakage effect, and is widely used for indicating various liquid levels.
Still further, the heat supply device comprises a burner and a hot blast stove, and the hot blast stove is respectively connected with the burner, the thermal decomposition furnace and the waste gas treatment device. The hot blast stove transmits hot gas generated by the combustion engine to the thermal decomposition furnace through a gas transmission pipeline, and the rest hot gas is discharged to the waste gas treatment device for treatment.
Furthermore, a circulating fan is arranged between the gas transmission channels connected with the rectifying tower and the condenser. The circulating fan can reduce heat loss and ensure that gas is not cooled and liquefied in the process of being transmitted to the condenser from the rectifying tower.
Still further, an exhaust fan is arranged between the hot blast stove and a gas transmission pipeline of the waste gas treatment device.
Further, the non-degradable substance thermal decomposition system also comprises a heat exchanger, and the heat exchanger is connected with the exhaust fan.
Still further, the exhaust treatment device is an exhaust treatment bag filter device.
Furthermore, the non-degradable substance thermal decomposition system also comprises a high-pressure centrifugal fan, and the high-pressure centrifugal fan is connected with the heat exchanger and used for conveying the gas working medium in a gas conveying pipeline of the heat exchanger.
Still further, the non-degradable substance thermal decomposition system also comprises a shunt pipe, and the centrifugal water pump is connected with the gas transmission channel of the rectifying tower through the shunt pipe.
Furthermore, an auxiliary heater is arranged in the thermal decomposition furnace and used for heating the thermal decomposition furnace. If the hot gas generated by the combustion machine is insufficient to enable the thermal decomposition furnace to reach the decomposition temperature, the auxiliary heater can be started immediately to enable the thermal decomposition furnace to be heated as soon as possible to reach the decomposition temperature.
The working method of the non-degradable substance thermal decomposition system comprises the following steps:
s1, a burner generates fuel gas hot air through fuel heating, the hot air is transmitted to a thermal decomposition furnace, crude oil is heated and vaporized in the thermal decomposition furnace and enters a rectifying tower, heavy oil is recovered from the bottom of the rectifying tower, and the heavy oil passes through a cooling device and then is collected by a heavy oil tank;
s2, gas discharged by the rectifying tower is conveyed to a condenser through a gas conveying pipeline, the circulating fan can ensure that the gas cannot be cooled and liquefied in the conveying process, the condenser sets the liquefaction temperature to liquefy the gas meeting the liquefaction temperature, light oil is obtained, and the light oil is conveyed to a light oil tank through a gear oil pump to be collected;
s3, the residual gas which is not liquefied passes through an oil mist separator, and the thermal decomposition waste gas after oil mist separation returns to the thermal decomposition furnace through a circulating fan;
s4 the waste gas of thermal decomposition furnace passes through hot-blast stove, exhaust fan and heat exchanger, after cooling, the waste gas is sent to waste gas treatment bag filter.
The utility model has the advantages that:
1. while the heavy and light oil is effectively separated, the waste gas treatment device is arranged to absorb waste gas, so that the waste gas is prevented from polluting the environment;
2. the waste gas is recycled to become one of the heat sources of the thermal decomposition furnace, thereby reducing the heat loss and improving the energy utilization rate.
Drawings
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a front view of a gas transmission pipeline;
FIG. 3 is a view showing a connection relationship of the heat exchanger in FIG. 1;
FIG. 4 is a view showing a connection relationship of the heat exchanger FIG. 2;
FIG. 5 is a schematic view of an exhaust treatment bag filter assembly;
fig. 6 is a schematic view of a shunt;
FIG. 7 is a schematic view of a rectification column;
FIG. 8 is a schematic of a condenser;
FIG. 9 is a schematic view of a chiller;
FIG. 10 is a schematic view of a light oil tank;
FIG. 11 is a schematic view of a pyrolysis furnace;
FIG. 12 is a schematic view of a hot blast stove;
FIG. 13 is a schematic view of an oil mist separator;
FIG. 14 is a schematic view of a heavy oil tank;
FIG. 15 is a schematic view of a heat exchanger.
Reference numerals
A thermal decomposition furnace 1; a rectifying tower 2; a condenser 3; an oil mist separator 4; an exhaust gas treatment device 5; a circulating fan 6; a combustor 7; a hot blast stove 8; a centrifugal water pump 9; a cooler 10; a heavy oil tank 11; a gear oil pump 12; a light oil tank 13; an oil conservator 14; a cooling tank 15; a cooling tower 16; an exhaust fan 17; a heat exchanger 18; a high-pressure centrifugal fan 19; a shunt tube 20; a float-type level gauge 21.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the following embodiments are based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the embodiments.
A non-degradable substance thermal decomposition system, as shown in figure 1-2, comprises a thermal decomposition furnace 1, a heat supply device, a rectifying tower 2, a cooling device, an oil mist separator 4, a circulating fan 6, an oil storage device and an exhaust gas treatment device 5, wherein the thermal decomposition furnace 1, the rectifying tower 2, a condenser 3 and the oil mist separator 4 are sequentially connected through a gas transmission pipeline, the thermal decomposition furnace 1 is connected with the oil mist separator 4 through the circulating fan 6 to recover thermally decomposed exhaust gas, the heat supply device is respectively connected with the thermal decomposition furnace and the exhaust gas treatment device 1 to supply hot gas to the thermal decomposition furnace, meanwhile, the exhaust gas recovered from the oil mist separator 4 is conveyed to the exhaust gas treatment device 5 and supply redundant hot gas to the exhaust gas treatment device 5, and the oil storage device is respectively connected with the rectifying tower 2 and the condenser 3 through the cooling device.
Further, as shown in fig. 10 and 14, the oil storage device includes a heavy oil tank 11 and a light oil tank 13, the heavy oil tank 11 is connected to the rectifying tower 2 through a centrifugal water pump 9, the light oil tank 13 is connected to the condenser 3 through a gear oil pump 12, and a float type liquid level meter 21 is further provided inside the light oil tank 13. The float type liquid level meter 21 has the characteristics of simple structure and good anti-leakage effect, and is widely used for indicating various liquid levels.
Still further, the heat supply device comprises a burner 7 and a hot blast stove 8, and the hot blast stove 8 is respectively connected with the burner 7, the thermal decomposition furnace 1 and the waste gas treatment device 5. The hot blast stove 8 transmits hot gas generated by the combustion engine 7 to the thermal decomposition furnace 1 through a gas transmission pipeline, and the rest hot gas is discharged to the waste gas treatment device for treatment 5. In practical application, two burners and two hot blast stoves are arranged to provide heat sources.
Further, a circulating fan 6 is arranged between the gas transmission channels connected with the rectifying tower 2 and the condenser 3. The circulating fan 6 can reduce heat loss and ensure that gas is not cooled and liquefied in the process of being transmitted to the condenser from the rectifying tower. In practical application, the flow of the circulating fan reaches 6332m3And/h, the total pressure is 3187 Pa.
Still further, an exhaust fan 17 is arranged between the hot blast stove 8 and the gas transmission pipeline of the waste gas treatment device 5. In practical application, the flow rate of the exhaust fan is 4613-5477 m3The total pressure is 2579 and 2589 Pa.
Further, as shown in fig. 3, the non-degradable substance thermal decomposition system further includes a heat exchanger 18, and the heat exchanger 18 is connected to the exhaust fan 17.
Still further, as shown in fig. 5, the exhaust gas treatment device 5 is an exhaust gas treatment bag filter device.
Further, as shown in fig. 4, the non-degradable substance thermal decomposition system further comprises a high-pressure centrifugal fan 19, and the high-pressure centrifugal fan 19 is connected with the heat exchanger 18 to form a gas pipeline of the gas working medium in the heat exchanger.
Still further, as shown in fig. 6, the non-degradable substance thermal decomposition system further includes a shunt tube 20, and the centrifugal water pump 9 is connected to the gas transmission channel of the rectifying tower 2 through the shunt tube 20.
Further, an auxiliary heater is arranged in the thermal decomposition furnace 1, and the auxiliary heater is used for heating the thermal decomposition furnace. If the hot gas generated by the combustion machine 7 is insufficient to make the thermal decomposition furnace 1 reach the decomposition temperature, the auxiliary heater is started immediately to make the thermal decomposition furnace raise the temperature as soon as possible to reach the decomposition temperature.
The working method of the non-degradable substance thermal decomposition system comprises the following steps:
the S1 burner 7 generates fuel gas hot air through fuel heating, the hot air is transmitted to the thermal decomposition furnace 1, the crude oil is heated and vaporized in the thermal decomposition furnace 1 and enters the rectifying tower 2, the heavy oil is recovered from the bottom of the rectifying tower 2, and the heavy oil passes through the cooler 10 and then is collected by the heavy oil tank 11.
S2, gas discharged from the rectifying tower 2 is conveyed to a condenser 3 through a gas conveying pipeline, a circulating fan 6 can ensure that the gas is not cooled and liquefied in the conveying process, the condenser 3 sets the liquefaction temperature to liquefy the gas meeting the liquefaction temperature, light oil is obtained and is conveyed to a light oil tank 13 through a gear oil pump 12 to be collected;
s3 the remaining unliquefied gas passes through the oil mist separator 4, the thermal decomposition exhaust gas after oil mist separation is returned to the thermal decomposition furnace 1 by the circulation fan 6, the thermal decomposition furnace 1 passes through the hot blast stove 8 and the exhaust fan 17, and the heat exchanger 18 cools the thermal decomposition exhaust gas passing through the exhaust fan 17 and then sends the exhaust gas to the exhaust gas treatment bag filter device.
In step S2, the light oil tank 13 passes through the two gear oil pumps 12 and then reaches the oil conservator 14, the float-type level gauge 21 is also installed inside the oil conservator 14 to facilitate observation of the liquid level inside, the oil conservator 14 pumps the light oil to the cooling tank 15 through the gear oil pumps 12 and the centrifugal water pump 9 and then sends the light oil to the cooling tower 16 for further cooling, and the cooled light oil is sent to the oil conservator 14 along the original path and stored.
Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (10)
1. A non-degradable substance thermal decomposition system is characterized by comprising a thermal decomposition furnace, a heat supply device, a rectifying tower, a cooling device, an oil mist separator, a circulating fan, an oil storage device and a waste gas treatment device, wherein the thermal decomposition furnace, the rectifying tower, a condenser and the oil mist separator are sequentially connected through a gas transmission pipeline, the thermal decomposition furnace is connected with the oil mist separator through the circulating fan to recover thermally decomposed waste gas, the heat supply device is respectively connected with the thermal decomposition furnace and the waste gas treatment device, and the oil storage device is respectively connected with the rectifying tower and the condenser through the cooling device.
2. The system for thermally decomposing a non-degradable substance according to claim 1, wherein the oil storage device comprises a heavy oil tank and a light oil tank, the heavy oil tank is connected with the rectifying tower through a centrifugal water pump, the light oil tank is connected with the condenser through a gear oil pump, and a float type liquid level meter is further arranged inside the light oil tank.
3. The system of claim 1, wherein the heat supplying means comprises a burner and a hot blast stove, and the hot blast stove is connected to the burner, the thermal decomposition furnace and the exhaust gas treatment device, respectively.
4. The system for thermally decomposing non-degradable substances according to claim 1, wherein a circulating fan is further provided between the gas transmission passage connecting the rectifying tower and the condenser.
5. The system of claim 3, wherein an exhaust fan is further disposed between the hot blast stove and the gas pipeline of the exhaust gas treatment device.
6. The non-degrading substance thermal decomposition system according to claim 5, further comprising a heat exchanger connected to the exhaust fan.
7. The system of claim 1, wherein the exhaust gas treatment device is an exhaust gas treatment bag filter device.
8. The system of claim 6, further comprising a high pressure centrifugal fan, wherein the high pressure centrifugal fan is connected to the heat exchanger to supply the working gas to the gas pipeline of the heat exchanger.
9. The system for thermally decomposing a non-degradable substance according to claim 2, wherein the system for thermally decomposing a non-degradable substance further comprises a bypass pipe through which the centrifugal water pump is connected to the gas transport passage of the rectifying tower.
10. The system for thermally decomposing a non-degradable substance according to claim 1, wherein an auxiliary heater is provided in the thermal decomposition furnace, and the auxiliary heater is used for heating the thermal decomposition furnace.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871996.3U CN210314131U (en) | 2018-11-13 | 2018-11-13 | Non-degradable substance thermal decomposition system |
| PCT/CN2018/116512 WO2020097956A1 (en) | 2018-11-13 | 2018-11-20 | Non-degradable substance thermal decomposition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871996.3U CN210314131U (en) | 2018-11-13 | 2018-11-13 | Non-degradable substance thermal decomposition system |
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| CN210314131U true CN210314131U (en) | 2020-04-14 |
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| CN201821871996.3U Active CN210314131U (en) | 2018-11-13 | 2018-11-13 | Non-degradable substance thermal decomposition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181761A (en) * | 2018-11-13 | 2019-01-11 | 上海天谦环保科技有限公司 | Non-degradable substance thermally decomposes system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181761A (en) * | 2018-11-13 | 2019-01-11 | 上海天谦环保科技有限公司 | Non-degradable substance thermally decomposes system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230830 Address after: Room 501, No. 26, Lane 780, Xianxia Road, Changning District, Shanghai, 200000 Patentee after: Li Jing Address before: Room 210-12, No. 15, Lane 110, Guyuan Road, Hongkou District, Shanghai, 200000 Patentee before: SHANGHAI TIANQIAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |