CN203096006U - Quenching ring of gasifying furnace - Google Patents

Quenching ring of gasifying furnace Download PDF

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Publication number
CN203096006U
CN203096006U CN 201220730199 CN201220730199U CN203096006U CN 203096006 U CN203096006 U CN 203096006U CN 201220730199 CN201220730199 CN 201220730199 CN 201220730199 U CN201220730199 U CN 201220730199U CN 203096006 U CN203096006 U CN 203096006U
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CN
China
Prior art keywords
ring
downtake
gasifying furnace
outer shroud
conservancy diversion
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
Application number
CN 201220730199
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Chinese (zh)
Inventor
隋建伟
王琥
郭慧波
韦刘轲
王国峰
王秋枫
杨小艳
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China Huanqiu Contracting and Engineering Corp
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China Huanqiu Engineering Co Ltd
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Priority to CN 201220730199 priority Critical patent/CN203096006U/en
Application granted granted Critical
Publication of CN203096006U publication Critical patent/CN203096006U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a quenching ring of a gasifying furnace. The quenching ring of the gasifying furnace is a hollow ring body which is internally provided with an empty cavity; an extending section of a descending pipe separates the empty cavity; a cooling agent distribution chamber is arranged at one side of the extending section of the descending pipe; a cooling agent inlet is communicated with the cooling agent distribution chamber; a balanced inner ring and a flow guide outer ring sleeved out of the balanced inner ring are arranged at the other side of the extending section of the descending pipe; an inner ring balanced zone is formed in the balanced inner ring; an outer ring flow guide zone is formed between the balanced inner ring and the flow guide outer ring; the extending section of the descending pipe in the balanced zone of the inner ring is provided with an inner ring water intake hole; the extending section of the descending pipe in the outer ring flow guide zone is internally provided with an outer ring water intake hole; the balanced inner ring is provided with a balanced hole; and the connection part of the flow guide outer ring and the part below the extending section of the descending pipe is provided with an annular clearance water drainage port. According to the utility model, cooling agents are uniformly distributed in the quenching ring; the damage and blockage hazards of the quenching ring are lowered; the on-line time of the quenching ring and the descending pipe is prolonged; and the operation cycle of the gasifying furnace is prolonged.

Description

Chilling ring of gasifying furnace
Technical field
The utility model relates to the chilling ring of a kind of gasification of carbonaceous material with the vapourizing furnace of generation synthetic gas, be specifically related to carbonaceous material slurry attitude (as, coal water slurry, petroleum charred slurry, mud, waste liquid etc.) or the powder attitude (as, fine coal, solid waste, biomass etc.) the chilling ring of gasifying furnace structure of charging.
Background technology
Use vapourizing furnace to produce the technology of synthetic gas, usually pressurization makes carbonaceous material partial oxidation, the reaction product that obtains comprise desirable synthetic gas and the molten state lime-ash of being made up of inorganic oxide and a certain amount of not oxidized carbonaceous material under relative comparatively high temps.For realize that synthetic gas cools, the molten state lime-ash solidifies and with the requirement of synthetic gas separation processes, main method is fully to contact with refrigerant from chilling ring containing the hot output object of synthetic gas.
Pyritous contains the hot output object of synthetic gas and by radiation and convection action heat is passed to the refrigerant that downtake inwall formation liquid film flows down, after partly being vaporized, the interior refrigerant of liquid film incorporates synthetic gas, impel the synthetic gas temperature sharply to reduce and humidification, it is abundant that amount of coolant will keep, even if the refrigerant in the liquid film constantly evaporates, but liquid film still exists and is distributed on the downtake inwall.So, mainly contain 2 points from the effect of the refrigerant of chilling ring, the one, washing also cooling contains the hot output object of synthetic gas; The 2nd, protection chilling ring and downtake make it avoid high temperature impact and damage.
But there are many defectives in existing chilling ring structure in production application, as, chilling ring causes the coolant flowing instability because of inner flow passage is provided with reason, produces bubble and carries secretly, form the local overheating district, cause metal surface crack even local perforations under the elevated temperature heat stress, to occur; The chilling ring inner flow passage is provided with unreasonable, causes the chilling ring inwall washed away seriously by refrigerant; The chilling ring water outlet stops up because of the part or distortion causes forming from here the refrigerant liquid film and fails uniform distribution, the liquid film cutout of downtake surface, cause downtake distortion, perforation phenomenon, stable, continuous, the long-term operation of vapourizing furnace have been had a strong impact on, therefore, production unit is badly in need of a kind of efficient chilling ring of long line duration, with the benefit and the competitive power of effective raising vapourizing furnace.
Summary of the invention
The utility model provides a kind of chilling ring of gasifying furnace, to solve the technical problem that exists in the background technology.
For this reason, a kind of chilling ring of gasifying furnace of the present utility model, be the hollow ring body, described ring body inside has cavity, described cavity is separated in the downtake extension, one side of described downtake extension is the refrigerant distribution chamber, coolant inlet is communicated with described refrigerant distribution chamber, described downtake extension opposite side is to encircle and be placed in the outer water conservancy diversion outer shroud of ring in the described balance in the balance, ring equilibrium area in described balance, forming in the ring, in described balance, form outer shroud water conservancy diversion district between ring and the described water conservancy diversion outer shroud, ring prosopyle in described downtake extension is encircled in described and is provided with in the equilibrium area, described downtake extension is provided with the outer shroud prosopyle in described outer shroud water conservancy diversion district, ring is provided with equalizing port in the described balance, and described water conservancy diversion outer shroud and joint, below, described downtake extension offer the circular clearance water outlet.
Wherein, described water conservancy diversion outer shroud is trapezoidal, and thickness is 2-30mm.
Wherein, ring is rounded in the described balance, and thickness is 2-30mm.
Wherein, the ring upper and lower sides is equipped with described equalizing port in the described balance.
Wherein, the width of described circular clearance water outlet is 1-50mm.
Wherein, water outlet side, described circular clearance is provided with preset pieces.
Wherein, the number of described preset pieces is four integral multiple.
Wherein, described preset pieces is along described circular clearance water outlet uniform distribution.
Chilling ring of gasifying furnace of the present utility model; can resist high temperature action and thermal shock; can effectively distribute refrigerant to form liquid film; the protection downtake is resisted the erosion of the elevated temperature heat output object that contains synthetic gas; it is that the cooling of synthetic gas and cindery curing separate and creates conditions that enough refrigerant contacts area are provided; to satisfy the demand of production unit, reached beneficial technical effects.
Description of drawings
Fig. 1 is the longitudinal sectional view of vapourizing furnace;
Fig. 2 is a structure sectional view of the present utility model.
Description of reference numerals
1, bottom water-bath; 2, chill zone; 3, liquid film; 4, downtake; 5, chilling ring of gasifying furnace; 6, reaction zone; 7, syngas outlet; 5-1, water conservancy diversion outer shroud; Ring in 5-2, the balance; 5-3, downtake extension; 5-4, coolant inlet; 5-5, refrigerant distribution chamber; 5-6, preset pieces; 5-7, equalizing port; 5-8, circular clearance water outlet; 5-9, outer shroud prosopyle; Ring prosopyle in the 5-10.
Embodiment
For shape of the present utility model, structure and characteristics can be understood better, below will enumerate preferred embodiment and also be elaborated in conjunction with the accompanying drawings.
As shown in Figure 1, the vapourizing furnace type of being considered mainly is included in the reaction zone 6 that makes carbonaceous material generation part oxygenizement under the vaporized chemical effect, and the hot output object that comprises synthetic gas that generates in the reaction zone 6 washs in bottom water-bath 1 through downtake 4 water conservancy diversion.Chilling ring of gasifying furnace 5 is located at downtake 4 tops, and forms the liquid film 3 of refrigerant at downtake 4 walls.Discharge by syngas outlet 7 after synthetic gas process chill zone 2 Quench, enter lower procedure and further process.The molten state lime-ash enters that bottom water-bath 1 is solidified and gravitate descends gradually and is deposited on chill zone 2 bottoms, and the lime-ash after collecting will regularly be discharged vapourizing furnace.
Chilling ring of gasifying furnace 5 is the hollow ring body structure, being fixed in the vapourizing furnace of its central axis and vapourizing furnace central axes.Described ring body inside has cavity, and downtake extension 5-3 separates this cavity, as shown in Figure 2.Downtake extension 5-3 one side is refrigerant distribution chamber 5-5, and coolant inlet 5-4 is communicated with this refrigerant distribution chamber 5-5.Coolant flow speed among the coolant inlet 5-4 is 0.5-30m/s.
Downtake extension 5-3 opposite side is that ring 5-2 encircles the outer water conservancy diversion outer shroud 5-1 of 5-2 with being placed in the balance in the balance.Ring equilibrium area in forming in the ring 5-2 in balance forms outer shroud water conservancy diversion district between ring 5-2 and the water conservancy diversion outer shroud 5-1 in balance.Preferably, water conservancy diversion outer shroud 5-1 is ladder structure, and its thickness range is 2-30mm.The rounded structure of ring 5-2 in the balance, its thickness range is 2-30mm.
Ring prosopyle 5-10 in downtake extension 5-3 goes up and is provided with in interior ring equilibrium area, downtake extension 5-3 goes up and be provided with outer shroud prosopyle 5-9 in outer shroud water conservancy diversion district, makes refrigerant flow to outer shroud water conservancy diversion district and interior ring equilibrium area respectively by refrigerant distribution chamber 5-5.On the ring 5-2 one and above equalizing port 5-7 are set as required in balance, the refrigerant in making in the ring equilibrium area can spray from this equalizing port 5-7 and enter outer shroud water conservancy diversion district.Preferably ring 5-2 upper and lower sides all is provided with equalizing port 5-7 in balance.
Water conservancy diversion outer shroud 5-1 and joint, downtake extension 5-3 below offer circular clearance water outlet 5-8, make refrigerant to be flowed down along downtake extension 5-3 by circular clearance water outlet 5-8.The gap width of circular clearance water outlet 5-8 is 1-50mm.Water outlet 5-8 side, circular clearance is provided with an integral multiple preset pieces 5-6 of four, along circular clearance water outlet 5-8 uniform distribution.
The groundwork principle of chilling ring 5 is: refrigerant is entered in the 5-5 of refrigerant distribution chamber by coolant inlet 5-4, and is divided into two-way in the 5-5 of refrigerant distribution chamber: the outer shroud prosopyle 5-9 on the route downtake extension 5-3 enters outer shroud water conservancy diversion district; Ring equilibrium area in interior ring prosopyle 5-10 on another route downtake extension 5-3 enters.Refrigerant in the interior ring equilibrium area sprays via equalizing port 5-7 and enters outer shroud water conservancy diversion district, and the refrigerant in outer shroud water conservancy diversion district is uniform distribution in outer shroud water conservancy diversion district, and flows out along circular clearance water outlet 5-8.
Refrigerant is liquid film 3 along downtake 4 tube walls and flows down; in this process, the heat and mass transport process is carried out simultaneously, the two mutual restriction that influences each other; realization is cooled off and humidification the hot output object that contains synthetic gas in downtake 4 passages, and protection downtake 4 not Yin Gaowen produces distortion even perforation.Because the water conservancy diversion outer shroud 5-1 that is ladder structure provides the dissemination of the refrigerant that enough free air space and equalizing port 5-7 spray, along in water conservancy diversion outer shroud 5-1 and the balance between ring 5-2 the coolant flow of channel flow can not concentrate and wash away that certain a bit causes boring a hole on the chilling ring structure.
And along in water conservancy diversion outer shroud 5-1 and the balance between ring 5-2 the refrigerant of channel flow in passage, will form circulation, foreign matters such as bubble that refrigerant carries secretly and incrustation scale are difficult for attached to channel surface, prevented to cause the local inside and outside wall excessive temperature differentials of water conservancy diversion outer shroud 5-1 because bubble exists, or foreign matter blocking channel such as incrustation scale; And the liquid film 3 that makes downtake 4 walls is linear in the shape of a spiral dirty, downtake distortion, the perforation phenomenon of having avoided downtake 4 surperficial liquid film 3 cutout to cause.
In addition, being provided with to be beneficial to of preset pieces 5-6 prevents circular clearance water outlet 5-8 torsional deformation at high temperature, and then reduces because of refrigerant and reduce the disadvantageous effect that downtake 4 is brought along annular space length flow.
In sum, the utility model can make refrigerant uniform distribution in chilling ring, reduced the risk that chilling ring stops up, and, reduced the downtake distortion that causes because of the cutout of refrigerant liquid film, the phenomenon of boring a hole greatly at the uniform refrigerant liquid film of downtake surface formation, prolonged chilling ring and downtake line duration, prolonged the running period of vapourizing furnace, guarantee the production of vapourizing furnace steady and continuous, satisfy the demand of production unit, improved productivity effect.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.

Claims (8)

1. chilling ring of gasifying furnace, it is characterized in that, be the hollow ring body, described ring body inside has cavity, described cavity is separated in the downtake extension, one side of described downtake extension is the refrigerant distribution chamber, coolant inlet is communicated with described refrigerant distribution chamber, described downtake extension opposite side is to encircle and be placed in the outer water conservancy diversion outer shroud of ring in the described balance in the balance, ring equilibrium area in described balance, forming in the ring, in described balance, form outer shroud water conservancy diversion district between ring and the described water conservancy diversion outer shroud, ring prosopyle in described downtake extension is encircled in described and is provided with in the equilibrium area, described downtake extension is provided with the outer shroud prosopyle in described outer shroud water conservancy diversion district, ring is provided with equalizing port in the described balance, and described water conservancy diversion outer shroud and joint, below, described downtake extension offer the circular clearance water outlet.
2. chilling ring of gasifying furnace as claimed in claim 1 is characterized in that, described water conservancy diversion outer shroud is trapezoidal, and thickness is 2-30mm.
3. chilling ring of gasifying furnace as claimed in claim 1 is characterized in that, ring is rounded in the described balance, and thickness is 2-30mm.
4. chilling ring of gasifying furnace as claimed in claim 1 is characterized in that, the ring upper and lower sides is equipped with described equalizing port in the described balance.
5. chilling ring of gasifying furnace as claimed in claim 1 is characterized in that, the width of described circular clearance water outlet is 1-50mm.
6. chilling ring of gasifying furnace as claimed in claim 1 is characterized in that, water outlet side, described circular clearance is provided with preset pieces.
7. chilling ring of gasifying furnace as claimed in claim 6 is characterized in that, the number of described preset pieces is four integral multiple.
8. chilling ring of gasifying furnace as claimed in claim 7 is characterized in that, described preset pieces is along described circular clearance water outlet uniform distribution.
CN 201220730199 2012-12-26 2012-12-26 Quenching ring of gasifying furnace Expired - Fee Related CN203096006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201220730199 CN203096006U (en) 2012-12-26 2012-12-26 Quenching ring of gasifying furnace

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105043131A (en) * 2015-08-06 2015-11-11 朱峰 Shock cooling heat exchanger for cooling flue gas
CN106833757A (en) * 2017-02-27 2017-06-13 中国寰球工程有限公司 A kind of chilling ring guard circle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105043131A (en) * 2015-08-06 2015-11-11 朱峰 Shock cooling heat exchanger for cooling flue gas
CN105928381A (en) * 2015-08-06 2016-09-07 杨丙 Quenching heat exchanger with variable spray hole density
CN105928382A (en) * 2015-08-06 2016-09-07 青岛中正周和科技发展有限公司 Quenching heat exchanger provided with multiple secondary heat exchange devices
CN105865222B (en) * 2015-08-06 2017-02-22 杨丙 Quenching heat exchanger
CN105928382B (en) * 2015-08-06 2017-04-12 青岛中正周和科技发展有限公司 Quenching heat exchanger provided with multiple secondary heat exchange devices
CN106833757A (en) * 2017-02-27 2017-06-13 中国寰球工程有限公司 A kind of chilling ring guard circle

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Two road 100012 Beijing city Chaoyang District high tech Industrial Park, No. 1.

Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd.

Address before: Two road 100012 Beijing city Chaoyang District, high-tech Industrial Park No. 1 E block 3 District Chuangda room 3117

Patentee before: China Huanqiu Contracting & Engineering Corp.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20211226