CN208591666U - A kind of delayed coking emptying tower spray system - Google Patents
A kind of delayed coking emptying tower spray system Download PDFInfo
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- CN208591666U CN208591666U CN201820778710.0U CN201820778710U CN208591666U CN 208591666 U CN208591666 U CN 208591666U CN 201820778710 U CN201820778710 U CN 201820778710U CN 208591666 U CN208591666 U CN 208591666U
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- spray equipment
- spray
- tower body
- delayed coking
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Abstract
The utility model discloses a kind of delayed cokings to be vented tower spray system, which is made of upper layer and lower layer spray equipment；The spray equipment includes: tower body bracing ring, fixed cross beam, nozzle, distribution adapter tube, connecting flange and cross-over sub；The tower body bracing ring is welded on the inner wall of emptying tower tower body, and supports fixed cross beam；The fixed cross beam level is held on tower body bracing ring；The nozzle is provided with multiple, and is uniformly distributed on upper layer spray equipment and lower layer's spray equipment；The distribution adapter tube is connected by connecting flange with cross-over sub.System provided by the utility model can be used for delayed coking unit emptying tower high-temperature oil gas except coke powder, washing heavy oil, coke powder can be effectively reduced and bring follow-up system into, gun barrel water-oil separating can be improved again surveys bottom, sewage exhaust emission environment on the spot is avoided, can meet the needs of fields such as petroleum, chemical industry.
Description
Technical field
The utility model relates to spray equipment technical fields more particularly to a kind of delayed coking to be vented tower spray system.
Background technique
Delayed coking is a kind of heavy oil for converting heavy oil to through depth thermal cracking gas, light middle matter distillate and coke
Deep processing technique has the characteristics that de- charcoal is thorough, process is simple, technology maturation, plant investment are lower, has become heavy oil and add
One of important process in work technology.
Delayed coking emptying tower effect is to wash the high-temperature oil gas that generates when steaming out and to water cooling coke of coke drum, and reuse
Washing the sump oil generated, general decontamination oil tank continues to settle after water-oil separating as coke drum quench oil or into head tank freshening,
The tail gas of tower top generation is vented generally into flare system.
For domestic oil refining enterprises delayed coking unit substantially all using tradition emptying Tower System process, interior tower is multiple sieve plate tower
Disk, overhead reflux is the sump oil generated after washing, reverse between sieve tray with reflux sump oil after high-temperature oil gas enters emptying tower
Contact cooling, since reflux medium property is poor, viscosity is higher, generally enters emptying tower, the recombination in reflux using distribution pipe
Divide and coke powder is easy to be carried to overhead system by high-temperature oil gas, finally enters in tower top gun barrel, lead to water-oil separating not
Clearly.Tradition emptying Tower System purposes is single, and operating characteristic is gap operating with coke Tower System, after coke drum is cold burnt,
Emptying Tower System also loses heat therewith, and tower bottom is easy surplus condensed water, is again introduced into emptying tower with high-temperature oil gas, tower bottom is cold
Vaccuum phenomenon occurs for condensate vaporization, column bottoms pump, and there are security risks.The easy evacuation of the generally existing tower pump of tradition emptying Tower System,
The problems such as overhead oil moisture flow container water-oil separating is unclear, dirty oil recycling is difficult, tail gas direct emission torch, seriously affects delay coke
The safety and environmental protection of production are set in makeup.
Summary of the invention
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of delayed cokings to be vented tower spray system,
The system can be sprayed by being arranged in the multiple nozzles being vented on the upper layer and lower layer spray equipment of tower top, and using wax oil
Heavy oil and coke powder entrained by high-temperature oil gas are washed, it is unclear to efficiently solve the problems, such as that emptying tower top water-oil separating fills separation.
The purpose of this utility model is realized by technical solution below:
A kind of delayed coking emptying tower spray system, the spray system are made of upper layer and lower layer spray equipment；The spray
Device includes: tower body bracing ring, fixed cross beam, nozzle, distribution adapter tube, connecting flange and cross-over sub；
The tower body bracing ring is welded on the inner wall of emptying tower tower body, and supports fixed cross beam；
The fixed cross beam level is held on tower body bracing ring；
The nozzle is provided with multiple, and is uniformly distributed on upper layer spray equipment and lower layer's spray equipment；
The distribution adapter tube is connected by connecting flange with cross-over sub.
Compared with prior art, one or more embodiments of the utility model can have following advantage:
The utility model is a kind of interior spray equipment for washing coke powder and heavy oil entrained by high-temperature oil gas of oil gas tower, mainly
Solve the problems, such as that oil gas tower top gun barrel water-oil separating is unclear；The high-temperature oil gas that delayed coking unit enters emptying tower is main
Medium is steam, and carries a small amount of coke powder, heavy oil, light oil.After the high-temperature oil gas for carrying coke powder and heavy oil enters emptying tower,
Reflux is slightly washed in tower tray first in tower, washes away the larger coke powder of quality and heavy oil, and the oil gas after thick washing passes through up and down
Two layers of spray facility eliminates the entrained lesser coke powder of relative mass and heavy oil, and it is cold that clean oil gas enters follow-up system
But, condensed water and light oil after cooling enter back into gun barrel, due to the density contrast of light oil and condensed water, and without coke powder
Influence, water-oil separating is easier to distinguish in gun barrel, and the sump oil isolated carries out freshening again, the sewage isolated meet into
The condition of sewage device avoids sewage exhaust emission environment on the spot.
Detailed description of the invention
Fig. 1 is delayed coking emptying tower spray equipment overlooking structure figure；
Fig. 2 is delayed coking emptying tower spray equipment sectional view；
Fig. 3 is that hollow-spraying-tower schematic diagram is put in delayed coking.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with examples and drawings pair
The utility model embodiment is described in further detail.
As shown in Figure 1, being vented tower spray equipment plan structure for delayed coking, comprising: the spray equipment is divided into up and down
It is distributed in for two layers in delayed coking emptying tower；The spray equipment includes: tower body bracing ring 1, fixed cross beam 2, nozzle 3, distribution
Adapter tube 4, connecting flange 5 and cross-over sub 6；
The tower body bracing ring is welded on the inner wall of emptying tower tower body 7, and supports fixed cross beam；
The fixed cross beam level is held on tower body bracing ring；
The nozzle is provided with multiple, and is uniformly distributed on upper layer spray equipment A and lower layer spray equipment B (such as Fig. 2 institute
Show)；
The distribution adapter tube is connected by connecting flange with cross-over sub.
Above-mentioned distribution adapter tube is the part that assembles of spray equipment, at the same be also convenient for spray equipment component can by manhole into
Enter tower body assembling, is also convenient for dismounting and checks, overhaul.
Above-mentioned fixed cross beam is " well " character form structure, passes through the fixed spray equipment of " well " character form structure.
Above-mentioned fixed cross beam is fixed on the tower body bracing ring by fixation clamp.
Nozzle on the spray equipment, wherein have an arrangement of nozzles in the center in tower body section, it is in addition multiple
Nozzle is evenly arranged on the circumference centered on tower body.
The spray equipment is connect by cross-over sub with emptying tower tower body, and cross-over sub large flange internal diameter is greater than spray dress
Connecting flange outer diameter is set, is protruded into convenient for spray equipment.
Above-mentioned spray equipment further includes tower body mouthpiece and anchor ear；The tower body mouthpiece is located at emptying tower tower body
On, for connecting the cross-over sub and spray facility；The assembled entire spray equipment is fixed on branch by the anchor ear
It supports on crossbeam.The nozzle is distributed on the adapter tube of the distribution on the spray equipment.
Spacing between upper layer spray equipment and lower layer's spray equipment is 1.0~3.0, and nozzle sprays shape in spray equipment
Shape is solid centrum shape 8.
Above-mentioned nozzle interior uses special construction, the solid centrum shape of shape of medium for spraying nozzle, and combines
Device use condition, the atomizing particle size of spray medium needed for capable of being reached by the control of rate-of flow size.Every layer of spray dress
The multiple nozzle spray areas set are the 100% of tower body sectional area, and the spray coverage rate of upper layer and lower layer spray equipment is 200%,
Effect of the oil gas that the reaches a high temperature spray except coke powder, washing heavy oil.
Emptying tower provided by the above embodiment directly supplements the fresh wax oil of high temperature, to make up emptying overhead reflux medium character
Poor problem, while emptying tower heat is provided during the non-cold coke of coke drum, emptying Tower System normal operation is maintained, and pass through
Control emptying column bottom temperature, it is ensured that tower bottom does not generate condensed water deposition, then water vapor, which does not occur, for column bottoms pump leads to vaccuum phenomenon, dirty
Oil no longer carries out sedimentation separation into slop tank, directly can make quench oil or head tank freshening into coke drum.
Above-described embodiment is when in use: needing to cut off delayed coking unit emptying tower top part tower tray, from former overhead reflux
Place reserves downwards space not less than 5 meters, and upper spray equipment refluxing opening reuses former emptying overhead reflux mouth, and transform tower body as and open
Mouthful adapter tube, newly-increased tower wall is open between 1.0-3.0 meter below the upper spray refluxing opening, the lower spray equipment as spray system
Tower body mouthpiece.Each component of spray equipment is assembled in tower by the present embodiment requirement, the installation of upper layer and lower layer spray equipment
Mode is consistent.Spray medium generally uses the relatively good sump oil of property (main component is wax oil), main function: first is that blowout prevention
Mouth blocking, second is that there is preferable washing effect.
The working principle of above-described embodiment is as shown in Figure 3: the high-temperature oil gas of delayed coking unit carries a small amount of coke powder, again
After oil, light oil enter emptying tower, reflux is slightly washed in tower tray first in tower, washes away the larger coke powder of quality and heavy oil, slightly
Oil gas after washing sprays facility by upper layer and lower layer, according to oil gas carry coke powder size and heavy oil how much, adjust nozzle stream
The size of amount, by eliminating the entrained lesser coke powder of relative mass and heavy oil, it is cold that clean oil gas enters follow-up system
But, condensed water and light oil after cooling enter back into gun barrel, due to the density contrast of light oil and condensed water, and without coke powder
Influence, water-oil separating is easier to distinguish in gun barrel, and the sump oil isolated carries out freshening again, the sewage isolated meet into
The condition of sewage device avoids sewage exhaust emission environment on the spot, improves the environment on periphery, can meet the fields such as petroleum, chemical industry
Demand.
Although embodiment disclosed by the utility model is as above, the content is only to facilitate understand that this is practical
Novel and use embodiment, is not intended to limit the utility model.Skill in any the utility model technical field
Art personnel can be in the formal and details of implementation under the premise of not departing from spirit and scope disclosed by the utility model
On make any modification and variation, but the scope of patent protection of the utility model, must still be defined with appended claims
Range subject to.
Claims (8)
1. a kind of delayed coking is vented tower spray system, which is characterized in that the spray system is by upper layer and lower layer spray equipment structure
At；The spray equipment includes: tower body bracing ring, fixed cross beam, nozzle, distribution adapter tube, connecting flange and cross-over sub；
The tower body bracing ring is welded on the inner wall of emptying tower tower body, and supports fixed cross beam；
The fixed cross beam level is held on tower body bracing ring；
The nozzle is provided with multiple, and is uniformly distributed on upper layer spray equipment and lower layer's spray equipment；
The distribution adapter tube is connected by connecting flange with cross-over sub.
2. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the fixed cross beam is " well " word
Shape structure passes through the fixed spray equipment of " well " character form structure.
3. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the fixed cross beam passes through fixation
Clamp is fixed on the tower body bracing ring.
4. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the nozzle is distributed in the spray
On distribution adapter tube on shower device.
5. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the spray on the spray equipment
Mouth, wherein there is an arrangement of nozzles in the center in tower body section, in addition multiple nozzles are evenly arranged in centered on tower body
Circumference on.
6. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the spray equipment passes through conversion
It is shorted and is connect with emptying tower tower body.
7. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the spray equipment further includes tower
Body mouthpiece and anchor ear；
The tower body mouthpiece is located on emptying tower tower body, for connecting the cross-over sub and spray facility；
The entire spray equipment is fixed in support beam by the anchor ear.
8. delayed coking as described in claim 1 is vented tower spray system, which is characterized in that the upper layer spray equipment is under
Spacing between layer spray equipment is 1.0~3.0 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778710.0U CN208591666U (en) | 2018-05-24 | 2018-05-24 | A kind of delayed coking emptying tower spray system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778710.0U CN208591666U (en) | 2018-05-24 | 2018-05-24 | A kind of delayed coking emptying tower spray system |
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| CN208591666U true CN208591666U (en) | 2019-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636011A (en) * | 2018-05-24 | 2018-10-12 | 董国良 | A kind of delayed coking emptying tower spray system |
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2018
- 2018-05-24 CN CN201820778710.0U patent/CN208591666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636011A (en) * | 2018-05-24 | 2018-10-12 | 董国良 | A kind of delayed coking emptying tower spray system |
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