CN204455008U - Diesel oil heat feeding device - Google Patents
Diesel oil heat feeding device Download PDFInfo
- Publication number
- CN204455008U CN204455008U CN201420779642.1U CN201420779642U CN204455008U CN 204455008 U CN204455008 U CN 204455008U CN 201420779642 U CN201420779642 U CN 201420779642U CN 204455008 U CN204455008 U CN 204455008U
- Authority
- CN
- China
- Prior art keywords
- feed line
- diesel oil
- hot
- feed
- control device
- 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.)
- Expired - Fee Related
Links
- 239000002283 diesel fuel Substances 0.000 title claims abstract description 62
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000012806 monitoring device Methods 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 238000005265 energy consumption Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model provides a pair of diesel oil heat feedway, including hot discharging line, first feed pipeline, second feed pipeline, third feed pipeline, jar district, hydrogenation unit, first feed pipeline is parallelly connected the pipeline that sets up with the second feed pipeline, parallelly connected pipeline one end that sets up is connected hot discharging line, the other end is connected third feed pipeline, third feed pipeline intercommunication the jar district, the second feed pipeline is equipped with a refrigerating plant, its characterized in that be equipped with on the first feed pipeline and do the heat feed pipeline of hydrogenation unit heat supply.
Description
Technical field
The utility model relates to oil refining device field, particularly relates to the hot feed device of diesel oil.
Background technology
For oil refining apparatus, energy consumption is maximum individual operations expense, is directly connected to overall operation level and the economic benefit of oil refining enterprise.At present, plant energy consumption is reduced.Energy-conservation point of penetration need be looked for, become the target of focus and the pursuit paid close attention to oil refining enterprise, in existing diesel oil drawing mechanism, in refinery process, diesel oil delivers to downstream unit through cooling discharging to tundish, this is the arrangement required by the independent operation of holding device, in obvious linking, the process diesel oil of downstream unit must first through cooling, heat up again, experience twice heat exchange, the loss of two-stage efficiency energy, two groups of cold exchange devices, this is the major reason that in refinery process, energy consumption is higher, the coker diesel oil design of refinery first combined workshop is that the diesel oil after topping-up pump increases enters refrigeration plant after rich absorbent oil interchanger, after refrigeration plant refrigeration, diesel fuel temperature is substantially below 70 °, less than 70 ° diesel oil enter tank field through pipe laying one tunnel, another road is for hydrogenation unit, because for ensureing tank field accumulating condition, diesel oil must be cooled to less than 70 DEG C, but hydrogenation unit needs diesel feed temperature more than 100 DEG C, another problem, diesel oil goes tank field and the bad adjustment of hydrogenation unit flow for 800,000 tons/year, because valve is on battery limit (BL) pipe support, therefore labour intensity is large, so existing diesel oil refinery flow process there are the following problems 1, diesel oil is large for the thermosteresis of hydrogenation unit, plant energy consumption is caused to increase, 2, diesel oil instability of flow, causes the bad control of diesel oil oil header liquid level, 3, diesel oil goes tank field and the bad adjustment of flow for 800,000 hydrogenation units, because valve is on battery limit (BL) pipe support, therefore post staff labor intensity is large, also there is the potential safety hazard of high falling.
Utility model content
Technical problem to be solved in the utility model is the defect for above-mentioned prior art, and the purpose of this utility model one reduces the thermosteresis for hydrogenation unit diesel oil, realizes hot feed, reduces plant energy consumption; Two is stable diesel oil flows, makes diesel oil oil header liquid level be able to good control; Three is regulate diesel oil to remove tank field and the flow for hydrogenation unit by control valve, greatly reduces post staff labor intensity, and eliminates the potential safety hazard of high falling.
In order to achieve the above object, the utility model provides the hot feed device of a kind of diesel oil, comprise hot discharging pipeline, first feed line, second feed line, 3rd feed line, tank field, hydrogenation unit, described first feed line and the second feed line are the pipeline be arranged in parallel, described pipeline one end be arranged in parallel connects the described hot discharging pipeline the other end and connects described 3rd feed line, described 3rd feed line is communicated with described tank field, described second feed line is provided with a refrigeration plant, it is characterized in that, described first feed line is provided with the hot feed line into described hydrogenation unit heat supply.
The hot feed device of described diesel oil, described first feed hot pipeline is provided with the first control valve and the second control valve, and described hot feed line is arranged between the first control valve and the second control valve.
The hot feed device of described diesel oil, described hot feed line is provided with temperature-detecting device or second amount control device or second amount detecting device.
The hot feed device of described diesel oil, the tank level control unit that an adjustment enters tank field flow is provided with on described 3rd feed line and near one end, tank field, described tank level control unit comprises branch's feeder sleeve, first flow control device, second amount control device, first flow monitoring device and oil header fluid level control device, described second amount control device is located on described branch feed line, the two ends of described branch feed line connect on described 3rd feed line, described first flow control device and described first flow monitoring device are arranged on described 3rd feed line, described oil header fluid level control device one end is connected the other end with described first flow control device and is connected with described second amount control device, described oil header fluid level control device is connected with described first flow monitoring device.
The hot feed device of described diesel oil, described first flow control device is between described branch feed line and described 3rd feed line tie point.
The hot feed device of described diesel oil, described first flow monitoring device is arranged near the side of described refrigeration plant.
The hot feed device of described diesel oil, described first flow control device or second amount control device or the 3rd flow rate control device are flow control valve.
The hot feed device of described diesel oil, described temperature-detecting device is the temperature indicator of band teletransmission.
The hot feed device of described diesel oil, described first flow monitoring device or the second flow monitoring device are under meter.
Invention effect: 1, coker gas oil realizes hot feed 800,000 hydrogenation unit, diesel oil flow realizes automatically controlling, diesel oil goes the temperature of hydrogenation unit between 100 ~ 140 DEG C, and newly-increased flow regulating and controlling valve (FV1061B) controls diesel oil oil header liquid level, realizes automatically controlling.
2, diesel oil heat is for the enthalpy 67.24kcal/kg (118 DEG C) of 800,000 hydrogenation units, diesel oil removes the enthalpy 46.11kcal/kg (80 DEG C) of tank field, direct-furnish 800,000 adds hydrogen flowrate 40t/h, outer heat supplied 3539MJ/h per hour, plant energy consumption decline about 0.56Kg mark oil/ton raw material.The combustion heat value of fuel gets 41.868MJ/kg, and fuel cost is 3500 yuan/ton, year fuel economy 676 tons, reduce fuel cost 236.6 ten thousand yuan.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the hot feed device of existing diesel oil;
Fig. 2 is the hot feed device of the utility model diesel oil.
Wherein, Reference numeral
First feed line 1
First control valve 11
Second control valve 12
Hot feed line 13
Temperature indicator 131
3rd flow control valve 132
3rd under meter 133
Second feed line 2
3rd control valve 21
4th control valve 22
Air-cooled refrigeration device 23
3rd feed line 3
Branch's feed line 30
First flow variable valve 31
Second adjustable valve 32
First-class gauge 33
Oil header fluid level control device 34
Interchanger 5
Hot discharge nozzle 4
Tank field 6
Hydrogenation unit 9
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present utility model and principle of work are described in detail:
The utility model provides the hot feed device of a kind of diesel oil, comprise hot discharging pipeline 4, first feed line 1, second feed line 2, 3rd feed line 3, tank field 6, hydrogenation unit 9, diesel oil enters hot discharge nozzle 4 enter interchanger 5 after topping-up pump supercharging after, described first feed line and the second feed line are the pipeline be arranged in parallel, described pipeline one end be arranged in parallel connects the described hot discharging pipeline the other end and connects the 3rd feed line, described first feed line is provided with the first control valve 11, second control valve 12, shown in Fig. 1, in prior art, this first feeder sleeve is active redundancy pipeline, can discharge through this first feed line when other pipelines have problems, the first control valve 11 of the first feed line when reality uses, second control valve 12 is in closing condition, described second feed line 2 is provided with the 3rd control valve 21 and the 4th control valve 22, an Air-cooled refrigeration device 23 is provided with between 3rd control valve 21 and the 4th control valve 22, first control valve, second control valve, 3rd control valve 21, 4th control valve 22 is manual operation valve, diesel oil enters tank field through described 3rd feed line again from the second feed line and refrigeration plant, in prior art, diesel oil is divided into two-way after entering the 3rd feed line, one road pipeline is communicated with another road pipeline of hydrogenation unit 9 and is communicated with tank field 6, diesel oil temperature after Air-cooled refrigeration generally reduces to less than 70 DEG C, be conducive to tank field to store, but hydrogenation unit needs diesel oil oil temperature generally higher than 100 DEG C, hydrogenation unit energy consumption is caused to increase, improvements of the present utility model are on the first feed line, arrange the hot feeder sleeve 13 being communicated with hydrogenation unit between the first control valve 11 with the second control valve 12, after interchanger heat exchange, diesel fuel temperature is generally higher than 100 DEG C, so what flow into hydrogenation unit by hot feeder sleeve 13 is the diesel oil of more than 100 DEG C, reduce the energy consumption of hydrogenation unit, hot feed line 13 is provided with one with the temperature indicator 131 of teletransmission, one the 3rd flow control valve 132, 3rd under meter 133, can monitor and regulate and control the diesel oil amount that diesel oil enters hydrogenation unit,
In prior art, diesel oil enters tank field 6 and hydrogenation unit 9 respectively through described 3rd feed line, in order to control diesel oil assignment of traffic, 3rd feed line 3 is provided with a flow director, the liquid level of described flow director regulation and control separation column oil header, also just control enter the flow of hydrogenation unit 9 and enter the flow of tank field simultaneously, this flow director is big flow controller, the less situation of inapplicable control diesel oil flow, particularly hydrogenation unit 9 and described first feed line connect 1 logical after, the wayward low discharge entering tank field 6 of this controller, for accurately controlling separation column oil header liquid level, as Fig. 2 the utility model improvements are, a tank level control unit is established at described 3rd feed line 3, this tank level control unit controls diesel oil oil header liquid level more accurately, accurately control the diesel oil flow entering tank field 6 simultaneously, described tank level control unit comprises branch's feed line 30, first flow variable valve 31, second adjustable valve 32, first-class gauge 33 and oil header fluid level control device 34, described second adjustable valve is located on described branch feed line, second adjustable valve 32 controls general 20 tons/hour of flow, the two ends of branch's feed line 30 connect on described 3rd feed line 3, and first flow variable valve 31 is located between the two ends tie point of take-off line, first flow variable valve 31 and first-class gauge 33 are arranged on the 3rd feed line 3, oil header fluid level control device 34 one end is connected the other end with first flow variable valve 31 and is connected with second adjustable valve 32, oil header fluid level control device 34 is connected with described first-class gauge 33, is realized the automatic control of oil header liquid level by control first flow variable valve 31 and second adjustable valve 32.
Claims (9)
1. the hot feed device of diesel oil, comprise hot discharging pipeline, the first feed line, the second feed line, the 3rd feed line tank field, hydrogenation unit, described first feed line and the second feed line are the pipeline be arranged in parallel, described pipeline one end be arranged in parallel connects the described hot discharging pipeline the other end and connects described 3rd feed line, described 3rd feed line is communicated with described tank field, described second feed line is provided with a refrigeration plant, it is characterized in that, described first feed line is provided with the hot feed line into described hydrogenation unit heat supply.
2. the hot feed device of diesel oil as claimed in claim 1, it is characterized in that, described first feed hot pipeline is provided with the first control valve and the second control valve, and described hot feed line is arranged between the first control valve and the second control valve.
3. the hot feed device of diesel oil as claimed in claim 1 or 2, is characterized in that, described hot feed line is provided with temperature-detecting device or second amount control device or second amount detecting device.
4. the hot feed device of diesel oil as claimed in claim 3, it is characterized in that, the tank level control unit that an adjustment enters tank field flow is provided with on described 3rd feed line and near one end, tank field, described tank level control unit comprises branch's feeder sleeve, first flow control device, second amount control device, first flow monitoring device and oil header fluid level control device, described second amount control device is located on described branch feed line, the two ends of described branch feed line connect on described 3rd feed line, described first flow control device and described first flow monitoring device are arranged on described 3rd feed line, described oil header fluid level control device one end is connected the other end with described first flow control device and is connected with described second amount control device, described oil header fluid level control device is connected with described first flow monitoring device.
5. the hot feed device of diesel oil as claimed in claim 4, it is characterized in that, described first flow control device is between described branch feed line and described 3rd feed line tie point.
6. the hot feed device of diesel oil as claimed in claim 4, it is characterized in that, described first flow monitoring device is arranged near the side of described refrigeration plant.
7. the hot feed device of diesel oil as claimed in claim 4, is characterized in that, described first flow control device or second amount control device or the 3rd flow rate control device are flow control valve.
8. the hot feed device of diesel oil as claimed in claim 3, is characterized in that, described temperature-detecting device is the temperature indicator of band teletransmission.
9. the hot feed device of diesel oil as claimed in claim 4, it is characterized in that, described first flow monitoring device or the second flow monitoring device are under meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779642.1U CN204455008U (en) | 2014-12-10 | 2014-12-10 | Diesel oil heat feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779642.1U CN204455008U (en) | 2014-12-10 | 2014-12-10 | Diesel oil heat feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204455008U true CN204455008U (en) | 2015-07-08 |
Family
ID=53661921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420779642.1U Expired - Fee Related CN204455008U (en) | 2014-12-10 | 2014-12-10 | Diesel oil heat feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204455008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277042A (en) * | 2018-04-22 | 2018-07-13 | 武汉轻工大学 | A kind of hot tank feed process of intermediate products and its system |
| CN111188994A (en) * | 2018-11-15 | 2020-05-22 | 乔治洛德方法研究和开发液化空气有限公司 | Apparatus and method for filling a tank with pressurized gas |
-
2014
- 2014-12-10 CN CN201420779642.1U patent/CN204455008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277042A (en) * | 2018-04-22 | 2018-07-13 | 武汉轻工大学 | A kind of hot tank feed process of intermediate products and its system |
| CN108277042B (en) * | 2018-04-22 | 2023-09-19 | 武汉轻工大学 | Intermediate product hot tank feeding method and system thereof |
| CN111188994A (en) * | 2018-11-15 | 2020-05-22 | 乔治洛德方法研究和开发液化空气有限公司 | Apparatus and method for filling a tank with pressurized gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109708000B (en) | L-CH2 type hydrogen station heat management system | |
| CN204455008U (en) | Diesel oil heat feeding device | |
| CN109351927A (en) | A kind of conticaster crystallizer cooling water recirculation system | |
| CN108913252A (en) | A kind of note hydrocarbon dewaxing device and technique taking off hydrocarbon suitable for content of wax gas dehydration | |
| CN202691587U (en) | Compressed natural gas filling station | |
| CN211120163U (en) | L NG cold energy recovery ice making system | |
| CN205102101U (en) | Novel liquid level automatic control device | |
| CN209303668U (en) | A kind of conticaster crystallizer cooling water recirculation system | |
| CN218178620U (en) | Low-temperature liquid adsorber cooling device | |
| CN204154563U (en) | PTA Equipment oxidation reaction tail gas on-line checkingi sample gas pretreating system | |
| CN206310233U (en) | Liquefied natural gas storage tank BOG gas cold energy recycle systems | |
| CN202081904U (en) | Cooling device | |
| CN108330534A (en) | A kind of water distributor structure of single crystal furnace cooling water | |
| CN202430106U (en) | Natural gas supply guaranteeing system of glass tank furnace | |
| CN203559016U (en) | Feedstock temperature regulating device for cracking reaction of coal tar hydrogenation system | |
| CN213576815U (en) | Oil field low pressure flash distillation gas pipeline defeated hydrops control system that stops | |
| CN205372078U (en) | A partial pressure system that is used for natural gas to divide defeated station | |
| CN207879873U (en) | A kind of ball mill main bearing shell cooling device | |
| CN208000071U (en) | A kind of extracting charging heat-exchange system | |
| CN202614078U (en) | Constant-taper direct air-cooling steam distribution pipeline | |
| CN205066319U (en) | Natural gas liquefaction recovery unit | |
| CN203534258U (en) | Water tank type device for recycling cold flow of low-temperature liquid products | |
| CN203488983U (en) | System is seen off to internal compression flow oxygenerator pipe network | |
| CN105498019B (en) | Two-way Cycle water for injection system | |
| CN108516072A (en) | Boat low-temperature chilled water unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |