CN106318410A - Pyrolysis gas cooling and exporting device and method, cleaning method and pyrolysis system - Google Patents
Pyrolysis gas cooling and exporting device and method, cleaning method and pyrolysis system Download PDFInfo
- Publication number
- CN106318410A CN106318410A CN201610848222.8A CN201610848222A CN106318410A CN 106318410 A CN106318410 A CN 106318410A CN 201610848222 A CN201610848222 A CN 201610848222A CN 106318410 A CN106318410 A CN 106318410A
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- gas
- valve body
- cooling
- pyrolysis
- bridge tube
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (AREA)
- Industrial Gases (AREA)
Abstract
The invention discloses a pyrolysis gas cooling and exporting device, a pyrolysis gas cooling and exporting method, a cleaning method and a pyrolysis system. The pyrolysis gas cooling and exporting device comprises a gas exporting part, a gas cooling part and a gas collection device, wherein the gas exporting part comprises a riser pipe, a first valve body and a riser pipe cover; a side hole is formed in the riser pipe; the first valve body is arranged in the riser pipe; the riser pipe cover is arranged at the upper part of the riser pipe; the gas cooling part comprises a bridge pipe, a spraying head and a second valve body; a gas inlet of the bridge pipe is connected with the side hole of the riser pipe; the spraying head is arranged in the bridge pipe; the second valve body is arranged at a gas outlet of the bridge pipe; the gas collection device is used for collecting gas; the gas collection device is connected with a gas outlet of the bridge pipe. The pyrolysis gas cooling and exporting device overcomes the shortcomings that the original revolving bed raw coke oven gas exporting system is poor in cooling effect and difficult to clean, so that raw coke oven gas can be exported smoothly; the cooling effect is good, and the device is convenient to clean.
Description
Technical field
The present invention relates to a kind of revolving bed pyrolysis gas cooling and let-off gear(stand) and method, its cleaning method and revolving bed heat
Solution system.
Background technology
Revolving bed pyrolytic process is the colm pyrolysis new technology that new development in recent years is got up, and has wide market prospect,
Revolving bed pyrolysis not only available higher oil productivity, can get the pyrolysis gas that productivity is the highest simultaneously, and pyrolysis gas is raw coke oven gas.
Pyrolysis gas can be as the raw material of chemical industry synthesis, such as: pyrolysis gas preparing natural gas by methanation (LNG).
Before pyrolysis gas is prepared other products, it usually needs refrigerated separation, and in prior art, set up and be equipped with spray
Cooler.Fig. 1 is the structural representation of prior art spray cooler, as it is shown in figure 1, hot raw coke oven gas is from spray cooler
Side, portion enters spray cooler, cools down by cool water shower in spray cooler, and the cold raw coke oven gas after cooling is cold from spray
But device upper side is drawn, and oil water mixture is drawn bottom spray cooler, removed oil-water separation system.
The shortcoming of this kind of raw coke oven gas type of cooling is: whole gas cooling procedure, in a big container, easily causes
Spraying effect is undesirable, and easily blocks, and blocking simultaneously is difficult to be found, and cleans inconvenience.
Summary of the invention
It is an object of the invention to solve revolving bed raw coke oven gas guiding system cooling effect bad, the problem cleaning difficulty.
For solving the problems referred to above, the invention provides a kind of revolving bed pyrolysis gas cooling and let-off gear(stand).
Described device includes gas leading-out portion, gas cooling end and gas collecting apparatus, wherein:
Described gas leading-out portion includes tedge, the first valve body and rises lid, and described tedge is provided with side opening and enters
QI KOU, described first valve body is arranged in described tedge, and described rising lid is arranged at described tedge top；
Described gas cooling end includes bridge tube, shower nozzle and the second valve body, and described bridge tube includes air inlet and gas outlet, described
The air inlet of bridge tube is connected with the side opening of described gas riser portions, and described shower nozzle is arranged in described bridge tube, described second valve body
It is arranged at the gas outlet of described bridge tube；
Described gas collecting apparatus is used for collecting gas, and described gas collecting apparatus is connected with the gas outlet of described bridge tube.
Further, described rising lid be provided around water sealed tank, prevent in tedge raw coke oven gas to reveal.
Further, described pyrolysis gas is raw coke oven gas, and described shower nozzle is used for cooling down this raw coke oven gas, and described shower nozzle is provided with many
Individual nozzle, described nozzle is design for disassembly.Multiple nozzles contribute to the cooling of raw coke oven gas, make cooling more abundant.And nozzle
Design for disassembly can make device more easy cleaning.
Further, described bridge tube is provided with cleanout, for cleaning described gas cooling end.
Further, described second valve body is shape of a hoof valve body.
Further, described gas collecting apparatus is annular gas collector, is used for the gas after collecting cooling and derives.
Invention also provides a kind of revolving bed pyrolysis system, described revolving bed pyrolysis system includes revolving as above
The cooling of rotated bed pyrolysis gas and let-off gear(stand) and revolving bed pyrolysis installation, the top of this revolving bed pyrolysis installation is provided with air vent,
This air vent is connected with the air intake of the cooling of described revolving bed pyrolysis gas and the tedge of let-off gear(stand).
Further, described system comprises multiple air vent and the cooling of multiple described revolving bed pyrolysis gas and let-off gear(stand).
Present invention also offers a kind of method that pyrolysis gas is cooled down and derives by said apparatus, described method includes following
Step:
1) described first valve body is opened, then described rising lid is closed, afterwards by described shower nozzle and described second
Valve body is opened；
2) make the pyrolysis gas air vent from described revolving bed pyrolysis installation top enter the cooling of described revolving bed pyrolysis gas and
Let-off gear(stand), is then passed through described first valve body, enters described bridge tube afterwards, and in this bridge tube, this pyrolysis gas is via described shower nozzle
Carry out spraying cooling, make to be down at a temperature of pyrolysis gas ideal temperature；
3) make the above-mentioned gas after cooling through described second valve body, enter described discharge, introduce Oil-gas Separation afterwards
System.
Finally, the invention provides a kind of method cleaning said apparatus, said method comprising the steps of:
1) described first valve body, shower nozzle are closed, and described rising lid opened, described gas leading-out portion is carried out clearly
Sweep；
2) the second valve body is closed, by the cleanout being arranged on described bridge tube, described gas cooling end is carried out clearly
Sweep；
3), after cleaning, it is first shut off cleanout, opens the shower nozzle of described bridge tube, then open described first valve body,
And close described rising lid, open described second valve body the most again.
Instant invention overcomes original revolving bed raw coke oven gas guiding system cooling effect bad, clean difficulty, guiding system is i.e.
Making the most indiscoverable drawback of blocking, make raw coke oven gas derive smooth and easy, cooling effect is good, and it is convenient to clean.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art spray cooler.
Fig. 2 is the cooling of revolving bed pyrolysis gas and the structural representation of let-off gear(stand).
Fig. 3 is the layout schematic diagram of revolving bed pyrolysis system gas operated device.
1: the first valve body
2: tedge
3: rise lid
4: shower nozzle
5: bridge tube
6: cleanout
7: the second valve bodies (shape of a hoof valve body)
8: discharge
9: revolving bed top
10: air vent
Detailed description of the invention
Below in conjunction with drawings and Examples, the detailed description of the invention of the present invention is described in more details, in order to energy
The advantage being enough more fully understood that the solution of the present invention and various aspects thereof.But, specific embodiments described below and enforcement
Example is only descriptive purpose rather than limitation of the present invention.
First the invention provides a kind of revolving bed pyrolysis gas cooling and let-off gear(stand), described device includes that gas is derived
Portion, gas cooling end and gas collecting apparatus.
As in figure 2 it is shown, described gas leading-out portion includes tedge the 2, first valve body 1 and rises lid 3, described tedge 2
Being provided with side opening and air intake, described first valve body is arranged in described tedge 2, and described rising lid 3 is arranged on described
Riser 2 top.
When the cooling of this revolving bed pyrolysis gas and let-off gear(stand) normally work, i.e. this device is carrying out raw coke oven gas (pyrolysis
Gas) cooling and when deriving, the first valve body 1 opens, and rises lid 3 and closes, it is ensured that raw coke oven gas can enter whole device smoothly, and
Will not overflow.When cleaning this device, the first valve body 1 is closed, and rises lid 3 and opens, and stops the derivation of raw coke oven gas, the most permissible
Gas leading-out portion is cleaned.The external diameter of the first valve body 1 needs the internal diameter with tedge 2 to closely cooperate, and the first valve body 1 is closed
Time the good sealing of holding means.
It should be noted that the side opening of tedge 2 is unsuitable excessive or too small.Side opening is excessive, can reduce the strong of tedge 2
Degree, affects the service life of whole tedge 2；Revolving bed pyrolysis installation itself is a device the biggest, during work, Qi Zhonghui
Produce pyrolysis gas continuously, if side opening is too small, and the blocking in raw coke oven gas conductive process can be caused, be unfavorable for deriving,
Reduce efficiency.
Additionally, the surrounding of described rising lid 3 is additionally provided with water sealed tank.Rising lid 3 is to cooperate with tedge 2
, there is good sealing effectiveness.On this basis, being additionally arranged water sealed tank around tedge 3, water sealed tank is a kind of normal
The encapsulating method seen, can more efficiently prevent from the raw coke oven gas in tedge 2 and reveal.
As in figure 2 it is shown, described gas cooling end includes bridge tube 5, shower nozzle 4 and the second valve body 7, the second valve body is shape of a hoof valve
Body.Described bridge tube 5 includes that air inlet and gas outlet, the air inlet of described bridge tube 5 are connected with the side opening of described gas riser portions, institute
Stating shower nozzle 4 to be arranged in described bridge tube 5, described second valve body 7 is arranged at the gas outlet of described bridge tube 5.Described shower nozzle 4 is used for
Cooling down this raw coke oven gas, described shower nozzle 4 is provided with multiple nozzle, and described nozzle is design for disassembly.It is so designed that following excellent
Point: on the one hand, the increase of nozzle quantity can improve cooling effect；On the other hand, the design for disassembly of nozzle is easy to device
Cleaning.
Placing as in figure 2 it is shown, described bridge tube 5 can be inverted "L" shaped, horizontal one end is substantially carried out the cooling of raw coke oven gas, perpendicular
Straight one end is connected with discharge 8.Horizontal side is provided with shower nozzle 4, and during work, shower nozzle 4 is completely in spray state, from nozzle
Middle ejection cooling water, completes cooling；During cleaning, shower nozzle 4 Close All.It addition, the external diameter of horizontal one end of described bridge tube 5 and institute
The minor diameter fit of the side opening stating tedge 2 connects, and it has good sealing effectiveness.
Can arrange shape of a hoof valve body 7 in vertical one end of bridge tube 5, the raw coke oven gas after cooling can produce pressure to bridge tube,
Select shape of a hoof valve body 7 can preferably distribute the pressure to tube wall, extend the life-span.
Additionally, described bridge tube 5 is additionally provided with cleanout 6, for described gas cooling end is cleaned.In normal work
Time, cleanout 6 is closed；When cleaning device, cleanout 6 is opened.The size of cleanout 6 is arranged to be wanted suitably, it is to be ensured that
Both can facilitate the cleaning of device, bridge tube will not cause again otherwise infringement, usual cleanout 6 may be provided at bridge tube 5
Turning point.
As in figure 2 it is shown, described gas collecting apparatus is annular gas collector 8, the gas outlet phase of described gas collecting apparatus and described bridge tube 5
Even, it is used for the gas after collecting cooling and derives.Described annular gas collector 8 can be connected with oil and gas separating system, obtains required
Product.The present invention completes cooling and the derivation stage of pyrolysis gas.
Secondly, the invention provides and a kind of apply the cooling of above-mentioned revolving bed pyrolysis gas and the method for let-off gear(stand).See figure
2, the method comprises the following steps:
1) described first valve body 1 is opened, then described rising lid 3 is closed, afterwards by described shower nozzle 4 and described horse
Ungulate valve body 7 is opened；
2) make the pyrolysis gas air vent from described revolving bed pyrolysis installation top 9 enter the cooling of described revolving bed pyrolysis gas and
Let-off gear(stand), is then passed through described first valve body 1, enters described bridge tube 5 afterwards, and in this bridge tube, this pyrolysis gas is via described spray
4 carry out spraying cooling, make to be down at a temperature of pyrolysis gas ideal temperature；
3) make the above-mentioned gas after cooling through described shape of a hoof valve body 7, enter described discharge, introduce oil gas afterwards and divide
From system.
As in figure 2 it is shown, present invention also offers a kind of method cleaning right said apparatus.See Fig. 2, described method bag
Include following steps:
1) described first valve body 1, shower nozzle 4 are closed, and described rising lid 3 is opened, described gas leading-out portion is entered
Row cleans；
2) shape of a hoof valve body 7 is closed, by the cleanout 6 being arranged on described bridge tube 5, described gas cooling end is entered
Row cleans；
3), after cleaning, it is first shut off cleanout 6, opens the shower nozzle 4 of described bridge tube, then open described first valve body
1, and close described rising lid 3, open described shape of a hoof valve body 7 the most again.
Finally, as it is shown on figure 3, present invention also offers a kind of revolving bed pyrolysis system.This revolving bed pyrolysis system is main
The cooling of above-mentioned revolving bed pyrolysis gas and let-off gear(stand) is utilized to carry out cooling and the derivation of pyrolysis gas.This revolving bed pyrolysis system also wraps
Including revolving bed pyrolysis installation, the top 9 of revolving bed pyrolysis installation is provided with air vent 10, with above-mentioned revolving bed pyrolysis gas cooling and
The air intake of the tedge 2 of let-off gear(stand) is connected.This air vent 10 can have many groups, and therefore revolving bed pyrolysis system can comprise many
Group revolving bed pyrolysis gas cooling and let-off gear(stand), thus improve the cooling of pyrolysis gas and derive efficiency.
The present invention proposes the dual-valve body control of pyrolysis gas cooling and let-off gear(stand), when device normally works, two valves
Body is all opened；And when cleaning device, two valve bodies are all closed, the first valve body 1 has completely cut off and revolving bed pyrolysis installation
Connection, the second valve body 7 has completely cut off and the connection of discharge 8, make pyrolysis gas cooling with let-off gear(stand) formed an airtight sky
Between, it is simple to whole device is cleaned, without affecting other device and assembly.
Embodiment 1
The revolving bed pyrolysis system of diameter 60 meters, is provided with A～D totally 4 set revolving bed pyrolysis gas cooling and let-off gear(stand).Should
A diameter of 600mm of the tedge 2 of device, the nominal diameter of the first valve body 1 is 600mm, and tedge 2 is tight with the first valve body 1
Coordinate, so may insure that raw coke oven gas or water all cannot be revealed from the first valve body 1 in the case of the first valve body 1 is closed.Separately
A diameter of 500mm of outer tedge 2 upper-side hole, a diameter of 500mm of bridge tube 5, the nominal diameter 500mm of shape of a hoof valve body 7, with
On in like manner, it is ensured that the side opening of tedge 2 closely cooperates with bridge tube 5, and bridge tube 5 closely cooperates with shape of a hoof valve body 7.Last shower nozzle 4
It is set to include 5 nozzles.
Feed coal enters revolving bed, and the raw coke oven gas after pyrolysis is through 4 set revolving bed pyrolysis gas cooling and let-off gear(stand)s.First
Enter tedge 2 through the first valve body 1, then through bridge tube 5 spraying cooling, make raw gas temperature be reduced to 80 DEG C by 500 DEG C, complete famine
The cooling of coal gas.Raw coke oven gas after cooling, through shape of a hoof valve body 7, enters annular gas collector 8, completes the derivation of raw coke oven gas, then
It is re-introduced into oil and gas separating system, carries out Oil-gas Separation.
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate rather than restriction originally
The scope of invention, it will be understood by those within the art that, the most right
Amendment that the present invention is carried out or equivalent, all should contain within the scope of the present invention.Additionally, indication unless the context
Outward, the word occurred in the singular includes plural form, and vice versa.It addition, unless stated otherwise, then any embodiment
All or part of can use in conjunction with all or part of of any other embodiments.
Claims (10)
1. a revolving bed pyrolysis gas cooling and let-off gear(stand), it is characterised in that described device includes that gas leading-out portion, gas are cold
But portion and gas collecting apparatus, wherein,
Described gas leading-out portion includes tedge, the first valve body and rises lid, and described tedge is provided with side opening and air intake,
Described first valve body is arranged in described tedge, and described rising lid is arranged at described tedge top；
Described gas cooling end includes bridge tube, shower nozzle and the second valve body, and described bridge tube includes air inlet and gas outlet, described bridge tube
Air inlet be connected with the side opening of described tedge, described shower nozzle is arranged in described bridge tube, and described second valve body is arranged at institute
State at the gas outlet of bridge tube；
Described gas collecting apparatus is used for collecting gas, and described gas collecting apparatus is connected with the gas outlet of described bridge tube.
2. device as claimed in claim 1, it is characterised in that described rising lid be provided around water sealed tank.
3. device as claimed in claim 1, it is characterised in that described pyrolysis gas is raw coke oven gas, and described shower nozzle is used for cooling down this
Raw coke oven gas, described shower nozzle is provided with multiple nozzle, and described nozzle is design for disassembly.
4. device as claimed in claim 1, it is characterised in that described bridge tube is provided with cleanout, for cold to described gas
But portion cleans.
5. device as claimed in claim 1, it is characterised in that described second valve body is shape of a hoof valve body.
6. device as claimed in claim 1, it is characterised in that described gas collecting apparatus is annular gas collector, is used for collecting cooling
After gas and derive.
7. a revolving bed pyrolysis system, it is characterised in that described revolving bed pyrolysis system includes institute as arbitrary in claim 1-6
The revolving bed pyrolysis gas cooling stated and let-off gear(stand) and revolving bed pyrolysis installation, the top of this revolving bed pyrolysis installation is provided with row
QI KOU, this air vent is connected with the air intake of the cooling of described revolving bed pyrolysis gas and the tedge of let-off gear(stand).
8. system as claimed in claim 7, it is characterised in that described system comprises multiple air vent and multiple described revolving beies
Pyrolysis gas cooling and let-off gear(stand).
9. pyrolysis gas is cooled down and the method for derivation by one kind with the arbitrary described device of claim 1-6, it is characterised in that described
Method comprises the following steps:
1) described first valve body is opened, then described rising lid is closed, afterwards by described shower nozzle and described second valve body
Open；
2) pyrolysis gas air vent from described revolving bed pyrolysis installation top is made to enter the cooling of described revolving bed pyrolysis gas and derive
Device, is then passed through described first valve body, enters described bridge tube afterwards, and in this bridge tube, this pyrolysis gas is carried out via described shower nozzle
Spraying cooling, makes to be down at a temperature of pyrolysis gas ideal temperature；
3) make the above-mentioned gas after cooling through described second valve body, enter described discharge, introduce oil and gas separating system afterwards.
10. the method cleaning the arbitrary described device of claim 1-6, it is characterised in that said method comprising the steps of:
1) described first valve body, shower nozzle are closed, and described rising lid opened, described gas leading-out portion is cleaned；
2) the second valve body is closed, by the cleanout being arranged on described bridge tube, described gas cooling end is cleaned；
3), after cleaning, it is first shut off cleanout, opens the shower nozzle of described bridge tube, then open described first valve body, and close
Close described rising lid, open described second valve body the most again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848222.8A CN106318410A (en) | 2016-09-23 | 2016-09-23 | Pyrolysis gas cooling and exporting device and method, cleaning method and pyrolysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848222.8A CN106318410A (en) | 2016-09-23 | 2016-09-23 | Pyrolysis gas cooling and exporting device and method, cleaning method and pyrolysis system |
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| Publication Number | Publication Date |
|---|---|
| CN106318410A true CN106318410A (en) | 2017-01-11 |
Family
ID=57820744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848222.8A Pending CN106318410A (en) | 2016-09-23 | 2016-09-23 | Pyrolysis gas cooling and exporting device and method, cleaning method and pyrolysis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728165A (en) * | 2018-08-16 | 2018-11-02 | 福建中化智胜化肥有限公司 | Charcoal base manure resources of production method of comprehensive utilization based on updraft type charcoal gas coproduction stove |
-
2016
- 2016-09-23 CN CN201610848222.8A patent/CN106318410A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728165A (en) * | 2018-08-16 | 2018-11-02 | 福建中化智胜化肥有限公司 | Charcoal base manure resources of production method of comprehensive utilization based on updraft type charcoal gas coproduction stove |
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