CN108518675A - A kind of new combustion formula gasifier - Google Patents
A kind of new combustion formula gasifier Download PDFInfo
- Publication number
- CN108518675A CN108518675A CN201810549397.8A CN201810549397A CN108518675A CN 108518675 A CN108518675 A CN 108518675A CN 201810549397 A CN201810549397 A CN 201810549397A CN 108518675 A CN108518675 A CN 108518675A
- Authority
- CN
- China
- Prior art keywords
- water
- cavity
- outer housing
- combustion chamber
- heat
- 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.)
- Withdrawn
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a kind of new combustion formula gasifiers, it include the circular outer housing equipped with cavity, it is inserted with to be through in cavity on outer housing and is equipped with half internal jacket and semi-immersed combustion chamber, the top and bottom of combustion chamber are connected separately with Water-cooling type burner and tapered disc type smoke distributor；The beneficial effects of the invention are as follows：Using the burner of water cooling and half internal jacket, half submersible burning room and taper disc type smoke distributor, make the flue gas and heat exchange medium water mixed heat transfer that burning generates, the medium water that exchanges heat exchanges heat with medium dividing wall type height again, realizes that the high efficient heat exchanging of gasifier and heat high efficiente callback utilize；Using taper disc type smoke distributor make high-temperature flue gas uniformly, efficiently mix bubbling with the water in cavity, disturbance flow；Using toroidal helical coil pipe and guide shell, so that air water is mixed logistics body turbulence intensity and increase, increase the coefficient of heat transfer；And realize circulating for water using flow field principle, improve the economy of heat exchange efficiency and equipment investment and operation.
Description
Technical field
The invention belongs to energy-saving environmental protection device, be applied to combustion gas, chemical industry and petrochemical industry, and in particular to be a kind of
New combustion formula gasifier, quickly starts the liquid of gasification suitable for needs such as liquefied natural gas, liquefied petroleum gas.
Background technology
With the continuous development that China's industrialization degree and energy-saving and emission-reduction work, the demand of the energy especially clean energy resource and
It is more and more prominent using problem.Natural gas as a kind of cleaning, calorific value is high, the energy that is readily transported and stores, increasingly by
The favor of people.But China causes " gas is waste " phenomenon whenever gas supply anxiety must occur in winter in recent years, natural by the whole nation in 2017
2300 billion cubic meter of gas consumption figure calculate, compared to National Development and Reform Committee require " natural gas sales side should be built and sales volume mating 10%
Peak modulation capacity ", annual peak regulation notch is close to 50%.
《General Affairs Department of National Energy Board of general office of National Development and Reform Commission builds about comprehensive natural gas gas storage and peak-shaving facility of carrying out
If the notice that traffic-operating period is checked oneself and rectified and improved》Publication.《Notice》It points out, enterprise's gas storage capability is mainly supplied according to the year two thousand twenty and is reached
Contract air demand 10%, various regions reach average 3 days gas consumptions gas storage capability regulation, various regions and main gas supply enterprise will be most
Limits play existing natural gas gas storage and peak-shaving ability, accelerate project construction, it is ensured that following each year meets the confession of kurtosis winter natural gas
It should stablize, the year two thousand twenty reaches set quota.For the ease of storing and transporting, natural gas is liquefied as the liquefied natural gas of low temperature
(LNG), in supply user in use, needing again to use LNG gasification.Gasifier is common LNG vaporization equipment in the world, but
Domestic gasifier gasification ability is still insufficient, therefore it is imperative to develop the equipment for gasification with larger vaporization ability.
LNG gasification device is a kind of heat exchanger dedicated for liquefied natural gas gasifying.It is a dress necessary to LNG peak regulations
It sets, the liquefied natural gas of low temperature will be transformed into the gas of room temperature, it is necessary to corresponding heat be provided and be vaporized.Pattern has environment
The origin of heat of gasifier and heating gasifying device, environment gasifier can utilize natural heat source, such as：Air, seawater, GEOTHERMAL WATER
Deng the heat source of heating gasifying device mostlys come from the burning of fuel, electric energy or waste heat etc., such as：Boiler or waste heat of internal combustion engine etc..Leaching
It is most commonly used one kind in combustion heating type gasifier not have combustion-type gasifier (SCV).Its combustion chamber is submerged in water, burning
Flue gas direct emission afterwards in water, is in direct contact with water in water, the agitation water of flue gas fierceness, and the thermal efficiency is very high.Water edge
It gasifier pipeline to flow up, LNG gasifies in pipe.The amount of vaporization of SCV can be adjusted in the range of 10%~100%
Section, can make a response to the suddenly change of load, the situation bigger particularly suitable for load variations amplitude.SCV gasifiers
It is fast to start speed, is suitable for requirement of fast startup when emergency or peak regulation.In large-scale LNG receiving stations, it is commonly provided with phase
The SCV gasifiers answered, it is rapid to start in the case of suddenly being increased with cushion gas load, improve the adaptability to changes of system.The prior art
The combustion chamber of submerged combustion gasifier is immersed in pond, and flue gas distributor, flue gas distributor is arranged in the lower section of heat exchanger tube
Including concetrated pipe and bubbling pipe, the unreasonable allocation of flue gas distributor often leads to smoke distribution unevenness, to influence heat exchange effect
Rate.
Invention content
In order to solve the above technical problems, the present invention provides a kind of novel combustion for the economy improving heat exchange efficiency and operation
Burning formula gasifier.
To achieve the above object, the technical solution adopted by the present invention is a kind of new combustion formula gasifier, including is equipped with sky
The circular outer housing of chamber, structural feature are to be inserted with to be through in cavity on outer housing to be equipped with half internal jacket and half leaching
The top and bottom of combustion chamber not, combustion chamber are connected separately with Water-cooling type burner and tapered disc type smoke distributor, tapered
The exhanst gas outlet of disc type smoke distributor is in the heat transfer medium in cavity --- in water；Cycle heat exchange device is set in cavity, it is described
The inner wall of outer housing be equipped with hopper, the bottom of cavity is connected with water circulating pump by outlet pipe, and water circulating pump is by setting
There are two the return pipes exported, and water is delivered in Water-cooling type burner and combustion chamber, upper equal in Water-cooling type burner and combustion chamber
Cycle water dispenser is connected with by collecting pipe equipped with water outlet and water outlet, cycle water dispenser passes through pipeline and distributed with flue gas
Bore cooler connection.
As a further improvement on the present invention, cycle heat exchange device includes guide shell and is located in cavity on guide shell
The cryogenic liquid gasification coil pipe of side, the interior top positioned at cryogenic liquid gasification coil pipe of cavity are equipped with downflow weir, the bottom of guide shell
Equipped with the liquid return hole being connected to cavity.
As a further improvement on the present invention, cryogenic liquid gasification coil pipe is connected on cavity wall in the shape of a spiral.
As a further improvement on the present invention, outer housing is located at chimney and manhole above downflow weir.
As a further improvement on the present invention, outer housing is equipped with lye tank (vat), be equipped in lye tank (vat) pH detection instrument and with
The lye of cavity connection enters pipe.
As a further improvement on the present invention, cavity is equipped with water supplement port, and water supplement port is connected with the moisturizing for filling into fresh water
Pipe.
As a further improvement on the present invention, the surface of taper disc type smoke distributor is equipped with the stomata of uniform array.
It compares with the prior art, the beneficial effects of the invention are as follows：
1. reasonable design, using the structure and the type of cooling of change burning room, using in the burner of cooling by water and half
Chuck, half submersible burning room realize that the heat high efficiente callback of combustion chamber utilizes；The forms of distribution for changing flue gas, using taper
Disc type smoke distributor makes high-temperature flue gas uniformly, efficiently with the water in cavity mix bubbling, with efficient mixed heat transfer heat
Amount is transmitted to heat transferring medium --- water, while increasing water, cigarette, the flow velocity of gas mixture and turbulence, the coefficient of heat transfer is improved, equipment is improved
Economy；
2. simple in structure, change the arranged distribution form of vapor lamp makes air-water using toroidal helical coil pipe and guide shell
Fluid flow rate is mixed to increase, the coefficient of heat transfer increases, and realizes that water circulating using flow field principle, improve heat exchange efficiency and
The economy of operation.
3. equipment is designed as circle, occupation area of equipment is small, takes full advantage of the useful space.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the heat flow schematic diagram of the present invention；
Wherein, 1- cavitys, 2- outer housings, the combustion chambers 4-, 5- Water-cooling type burners, the tapered disc type smoke distributors of 6-, 7-
Guide shell, 8- hoppers, 9- cryogenic liquids gasification coil pipe, 10- downflow weirs, 11- chimneys, 12- manholes, 13- outlet pipes, 14- are followed
Ring water pump, 15- return pipes, 16- collecting pipes, 17- recycle water dispenser, 18- flue gases distribution cone cooler, 19- lye tank (vat)s, 20-
Water supply pipe.
Specific implementation mode
Explanation that the present invention will be further explained in the following with reference to the drawings and specific embodiments, but the guarantor of the present invention is not limited
Protect range.
As shown in Figure 1 to Figure 2, a kind of novel combustion-type gasifier includes the circular outer housing 2 equipped with cavity 1, institute
It is inserted with to be through in cavity 1 on the outer housing 2 stated and is equipped with half internal jacket and semi-immersed combustion chamber 4,4 hypomere portion of combustion chamber
Divide and be immersed in the water in cavity 1, the top and bottom of combustion chamber 4 are connected separately with Water-cooling type burner 5 and tapered disc type cigarette
Qi leel orchestration 6, the exhanst gas outlet of tapered disc type smoke distributor 6 is in the heat transfer medium in cavity 1 --- in water, it is equipped in cavity 1
The inner wall of cycle heat exchange device, the outer housing 2 is located at the hopper 8 between guide shell 7；Make device layout
More reasonable, compact, floor space is small, and is easily installed, overhauls, when necessary can easily mobile device place to use, arrangement
Scheme is flexible, and fuel gas fully burns with enough air in combustion chamber 4, using the recirculated water in internal jacket to combustion chamber
4 epimere locular walls cool down, while absorbing the raised recirculated water of heat, temperature and being back in cavity again；It immerses in cavity 1
4 hypomere of combustion chamber directly cooled down using the water in cavity 1.This design had not only reduced 4 temperature of combustion chamber, but also was utilized
The heat that 4 outer wall of combustion chamber distributes, avoids thermal loss, reduces the choice requirement of combustion chamber 4, reached it is energy saving and
The purpose of cost.
The cycle heat exchange device includes guide shell 7 and is located in cavity 1 positioned at the cryogenic liquid gas of 7 top of guide shell
Change coil pipe 9, the top that cryogenic liquid gasification coil pipe 9 is located in cavity 1 is equipped with downflow weir 10, and the bottom of guide shell 7 is equipped with and sky
The liquid return hole that chamber 1 is connected to, cryogenic liquid gasification coil pipe 9 is connected in the shape of a spiral on 1 wall of cavity, outside combustion chamber 4, and and combustion chamber
4, taper disc type smoke distributor 6 is coaxial, is located at 6 top of taper disc type smoke distributor, and flue gas is distributed from taper disc type flue gas
After being sprayed in device 6, water-gas fluid-mixing is formed, the gap through cryogenic liquid gasification coil pipe 9 flows up, with cryogenic liquid gas
Change coil pipe 9 in cryogenic media occur heat exchange so that cryogenic media heat absorption heating gasification, cryogenic liquid gasify coil pipe 9 and its
The special designing of support, manufacture, maintenance are convenient, and tube spacing is small, and water flow velocity is big, and heat exchange efficiency is high.
Flue gas stirs the water in cavity 1 and is bubbled and forms air-water and mix after being sprayed in taper disc type smoke distributor 6
Collaborate body, fluid-mixing temperature is high, density is low, upwards from inside by being gasified by cryogenic liquid gasification coil pipe 9 and cryogenic liquid
The annular water conservancy diversion that 7 wall of guide shell of 9 both sides of coil pipe is constituted carries out air-water separation, tail gas at 7 top weir 10 of guide shell
It being escaped from top, the higher water flowing of density mixes with flue gas flow up again to 7 bottom of guide shell after heat exchange cooling, from
And flow field principle is utilized, form an efficient cycle.
The outer housing 2 is located at the chimney 11 and manhole 12 of 10 top of downflow weir.
The surface of the taper disc type smoke distributor 6 is equipped with the stomata of uniform array；Fuel gas is abundant in combustion chamber 4
High-temperature flue gas caused by burning carries out water conservancy diversion by the taper disc type smoke distributor 6 coaxial with combustion chamber 4, due to for cone
Shape disc type, thus in the plane 360 ° be uniformly distributed to external diffusion, uniform water conservancy diversion, then through the top of taper disc type smoke distributor 6
Stomata, from below upwards spray into water in be bubbled, while by water heat temperature raising, increase flow velocity, increase the coefficient of heat transfer, improve
The economy of equipment operation.
The present invention in the specific implementation, the outlet of Water-cooling type burner 5 be equipped with half internal jacket and semi-immersed combustion chamber 4
It is connected, fuel gas is mixed by Water-cooling type burner 5 with air and fully burnt, and high-temperature flue gas is formed in combustion chamber 4；High temperature
Flue gas is evenly distributed by taper disc type smoke distributor 6 to 7 bottom space of guide shell, is sprayed in taper disc type smoke distributor 6
The flue gas gone out stirs water and is bubbled, and forms high temperature, low-density air-water fluid-mixing, flows up, and flows through cryogenic liquid gasification disk
Cryogenic liquid in the gap of pipe 9, with cryogenic liquid gasification coil pipe 9 exchanges heat, and cryogenic liquid is made to gasify；Air-water fluid-mixing exists
Air-water separation is carried out at 7 top weir 10 of guide shell, the tail gas effusion after cooling, through smoke stack emission, the water overflow after cooling
It to 7 bottom of guide shell, is mixed again with flue gas, forms an efficient recycle heat process.
The bottom of cavity 1 is connected with water circulating pump 14 by outlet pipe 13, and there are two outlets by setting for water circulating pump 14
Water is delivered in Water-cooling type burner 5 and combustion chamber 4 by return pipe 15, in Water-cooling type burner 5 and combustion chamber 4 on be equipped with out
The mouth of a river and water outlet are connected with by collecting pipe 16 recycles water dispenser 17, and cycle water dispenser 17 passes through pipeline and flue gas distributes
It bores cooler 18 to connect, water-spraying control is bored to distribution, water is again introduced into cavity 1 and is recycled, and cavity 1 is equipped with water supplement port,
Water supplement port is connected with the water supply pipe 20 for filling into fresh water, when level sensing instrument detects that liquid level is low, is mended from trend cavity 1
Fill fresh water.
Outer housing 2 is equipped with lye tank (vat) 19, enters equipped with pH detection instrument and the lye being connected to cavity 1 in lye tank (vat) 19
Pipe, lye tank (vat) 19 are located above 2 outer wall of outer housing, when pH detections instrument detects that pH value is less than definite value, are added dropwise into sink
Lye when pH returns to setting range, stops that lye is added, and ensures that the liquid acidic in sink in control range, avoids acidity
Corrosion to equipment internal material extends service life of equipment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of new combustion formula gasifier includes the circular outer housing equipped with cavity, it is characterised in that：The outer housing
On be inserted be through in cavity be equipped with half internal jacket and semi-immersed combustion chamber, the top and bottom of combustion chamber are separately connected
There are Water-cooling type burner and tapered disc type smoke distributor, the exhanst gas outlet of tapered disc type smoke distributor is in outer housing internal cavity
Heat transferring medium-water in；Cycle heat exchange device is equipped in cavity；The inner wall of the outer housing is equipped with hopper, cavity
Bottom water circulating pump is connected with by outlet pipe, there are two the return pipes exported, and water is delivered to water cooling by setting for water circulating pump
It is equipped with water outlet in formula burner and combustion chamber internal jacket, Water-cooling type burner and combustion chamber internal jacket and water outlet passes through remittance
Flow tube is connected with cycle water dispenser, and cycle water dispenser distributes cone cooler with flue gas by pipeline and connect.
2. a kind of new combustion formula gasifier according to claim 1, it is characterised in that：The cycle heat exchange device packet
It includes guide shell and is located at the interior cryogenic liquid gasification coil pipe above guide shell of cavity, be located at cryogenic liquid gasification disk in cavity
The top of pipe is equipped with downflow weir, and the bottom of guide shell is equipped with the liquid return hole being connected to cavity.
3. a kind of new combustion formula gasifier according to claim 2, it is characterised in that：The cryogenic liquid gasification disk
Pipe is connected on cavity wall in the shape of a spiral.
4. a kind of new combustion formula gasifier according to claim 1, it is characterised in that：The outer housing is set
Chimney above downflow weir and manhole.
5. a kind of new combustion formula gasifier according to claim 1, it is characterised in that：The outer housing is equipped with alkali
Liquid bath, lye tank (vat) is interior to enter pipe equipped with pH detection instrument and the lye being connected to cavity.
6. a kind of novel combustion-type gasifier according to claim 1, it is characterised in that：The cavity, which is equipped with, to be mended
The mouth of a river, water supplement port are connected with the water supply pipe for filling into fresh water.
7. a kind of new combustion formula gasifier according to claim 1, it is characterised in that：The taper disc type flue gas point
The surface of orchestration is equipped with the stomata of uniform array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549397.8A CN108518675A (en) | 2018-05-31 | 2018-05-31 | A kind of new combustion formula gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549397.8A CN108518675A (en) | 2018-05-31 | 2018-05-31 | A kind of new combustion formula gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518675A true CN108518675A (en) | 2018-09-11 |
Family
ID=63426997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549397.8A Withdrawn CN108518675A (en) | 2018-05-31 | 2018-05-31 | A kind of new combustion formula gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518675A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188996A (en) * | 2020-02-12 | 2020-05-22 | 中海石油气电集团有限责任公司 | Low-temperature waste heat recovery device of LNG receiving station submerged combustion formula vaporizer |
| CN112013380A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Special-shaped flow equalizing burnout chamber of gas and oil boiler |
| CN116161688A (en) * | 2022-12-12 | 2023-05-26 | 雅安百图高新材料股份有限公司 | Preparation method of nano spherical alumina |
-
2018
- 2018-05-31 CN CN201810549397.8A patent/CN108518675A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188996A (en) * | 2020-02-12 | 2020-05-22 | 中海石油气电集团有限责任公司 | Low-temperature waste heat recovery device of LNG receiving station submerged combustion formula vaporizer |
| CN111188996B (en) * | 2020-02-12 | 2024-03-19 | 中海石油气电集团有限责任公司 | Low-temperature waste heat recovery device of LNG receiving station submerged combustion type gasifier |
| CN112013380A (en) * | 2020-08-06 | 2020-12-01 | 中国科学院广州能源研究所 | Special-shaped flow equalizing burnout chamber of gas and oil boiler |
| CN116161688A (en) * | 2022-12-12 | 2023-05-26 | 雅安百图高新材料股份有限公司 | Preparation method of nano spherical alumina |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180911 |
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| WW01 | Invention patent application withdrawn after publication |