CN202884972U - Dedusting air pre-heater - Google Patents

Dedusting air pre-heater Download PDF

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Publication number
CN202884972U
CN202884972U CN2012204873573U CN201220487357U CN202884972U CN 202884972 U CN202884972 U CN 202884972U CN 2012204873573 U CN2012204873573 U CN 2012204873573U CN 201220487357 U CN201220487357 U CN 201220487357U CN 202884972 U CN202884972 U CN 202884972U
Authority
CN
China
Prior art keywords
air
casing
pipe
tube
box
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
CN2012204873573U
Other languages
Chinese (zh)
Inventor
徐开泉
沈梅和
吴领卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU JIUSHOUTANG ORGANISMS-MANUFATURES Co Ltd
Original Assignee
JIANGSU JIUSHOUTANG ORGANISMS-MANUFATURES Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU JIUSHOUTANG ORGANISMS-MANUFATURES Co Ltd filed Critical JIANGSU JIUSHOUTANG ORGANISMS-MANUFATURES Co Ltd
Priority to CN2012204873573U priority Critical patent/CN202884972U/en
Application granted granted Critical
Publication of CN202884972U publication Critical patent/CN202884972U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses a dedusting air pre-heater is a box body which is communicated from left to right and composed of an upper pipe plate, a lower pipe plate and two wall plates at two sides. A closed cavity is formed by comprising the upper pipe plate, the lower pipe plate, a smoke gas inlet pipe and pipe cavities of a plurality of thin wall steel pipes. A middle clapboard is arranged in the middle of the thin wall steel pipes in a box body, an air outlet pipe is arranged at the outer portion of the left side of the box body, an air inlet pipe is connected with the lower portion of the left side of the box body, and an air communicating cover is connected with the right side of the box body. The air inlet pipe, the lower portion of the box body, the air communicating cover, the upper portion of the box body and the air inlet pipe form a complete air return circuit. A dust collector is arranged in an inner cavity of the smoke gas outlet pipe, an ash outlet is formed in the outer wall of the smoke gas outlet pipe, and the dust collector is communicated with the ash outlet. The dedusting air pre-heater has the advantages of being simple in structure, long in service life and good in anti-dust effect.

Description

Air preheater with dedusting
Technical field
The utility model relates to the heat-exchange device that is used for flue gas waste heat recovery on the boiler, relates in particular to a kind of air preheater with dedusting for flue gas waste heat recovery.
Background technology
In order further to carry the thermal efficiency of boiler, reach energy-saving and cost-reducing purpose, utilizing the air preheater Mist heat recovering also is an important energy saving way.Existing a kind of air preheater mainly comprises the cavity that is made of a sealing the tube chamber of upper perforated plate, lower perforated plate, flue gas inlet tube, smoke outlet tube, some thin-wall steel tubes; Consisted of the casing that communicates about by upper perforated plate, lower perforated plate, two side wall panels; The medium position of thin-wall steel tube is provided with median septum in the described casing, casing is divided into up and down two parts, the left upper portion of described casing is divided and is connected with the air outlet slit pipe, and part is connected with the air intlet pipe under the left side of described casing, and the right side of described casing is connected with the air communication cover; Described air intlet pipe, lower box divide, part, air intlet pipe consist of a complete air loop on the air communication cover, casing; When high-temperature flue gas flows in the cavity of sealing through the Steel Thin-Wall tube chamber, flow from top to bottom, parallel baffled thin-wall steel tube cavity wall, air enters successively that air intlet pipe, lower box divide, part, air intlet pipe on the air communication cover, casing, in thin-wall steel tube external space casing, flow, wash away outer wall, thereby make flue gas and air carry out heat exchange at Steel Thin-Wall tube wall place, air enters the further work environment after obtaining heating.The problem of its existence is, flue gas is during through the Steel Thin-Wall tube bank, and flow velocity improves, and enlarges because of the cross section when going out the Steel Thin-Wall tube bank, and the flue dust that contains in the flue gas drops in the smoke outlet tube, and easy obstruction of long duration has reduced heat transfer effect.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and the air preheater with dedusting of a kind of simple in structure, long service life, good dedusting effect is provided.
The utility model is achieved by the following technical solution: with the air preheater of dedusting, comprise by upper perforated plate, lower perforated plate, two side wall panels consisting of the casing that communicates about; Consisted of the cavity of a sealing by the tube chamber of upper perforated plate, lower perforated plate, flue gas inlet tube, smoke outlet tube, some thin-wall steel tubes; The medium position of thin-wall steel tube is provided with median septum in the described casing, casing is divided into up and down two parts, the left upper portion of described casing is arranged with the air outlet slit pipe, and part is connected with the air intlet pipe under the left side of described casing, and the right side of described casing is connected with the air communication cover; Described air intlet pipe, lower box divide, part, air intlet pipe consist of a complete air loop on the air communication cover, casing; It is characterized in that: be provided with dust arrester in the inner chamber of described smoke outlet tube, described smoke outlet tube outer wall is provided with ash hole, and described dust arrester and ash hole are connected.
Left side, right side in the described casing are respectively equipped with spoiler.
Left side in the described casing, the length sum of right side spoiler are less than the length of median septum.
The air preheater of the utility model band dedusting because in the inner chamber of smoke outlet tube, be provided with dust arrester, the smoke outlet tube outer wall is provided with ash hole, when going out the Steel Thin-Wall tube bank, flue gas enlarges because of the cross section, flow velocity reduces, the flue dust that contains in the flue gas drops in the dust arrester because of Action of Gravity Field, remove flue dust through ash hole, alleviate the dust quantity that removes of back.
The utility model compared with prior art has following beneficial effect: simple in structure, long service life, good dedusting effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Sequence number among the figure: 1, thin-wall steel tube; 2, upper perforated plate; 3, lower perforated plate; 4, air communication cover; 5, casing; 6, flue gas inlet tube; 7, smoke outlet tube; 8, air intlet pipe; 9, air outlet slit pipe; 10, dust arrester; 11, median septum; 12, spoiler; 13, ash hole.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
According to shown in Figure 1, a kind of air preheater with dedusting comprises by upper perforated plate 2, lower perforated plate 3, two side wall panels consisting of the casing 5 that communicates about; Consisted of the cavity of a sealing by the tube chamber of upper perforated plate 2, lower perforated plate 3, flue gas inlet tube 6, smoke outlet tube 7, some thin-wall steel tubes 1; The medium position of described casing 5 interior thin-wall steel tubes 1 is provided with median septum 11, casing 5 is divided into up and down two parts, the left upper portion of described casing 5 is arranged with air outlet slit pipe 9, part is connected with air intlet pipe 8 under the left side of described casing 5, and the right side of described casing ⑸ is connected with air communication cover 4; Part, air intlet pipe 8 consist of a complete air loop on described air intlet pipe 9,5 times parts of casing, air communication cover 4, the casing 5; Be provided with dust arrester 10 in the inner chamber of described smoke outlet tube 7, described smoke outlet tube 7 outer walls are provided with ash hole 13, and described dust arrester 10 and ash hole 13 are connected; Left side, right side in the described casing 5 are respectively equipped with spoiler 12; Left side in the described casing 5, the length sum of right side spoiler 12 are less than the length of median septum 11.
Embodiment is just for the ease of understanding the technical solution of the utility model; do not consist of the restriction to the utility model protection domain; every interior any simple modification, equivalent variations and modification of perhaps according to technical spirit of the present utility model above scheme being done that does not break away from technical solutions of the utility model all still belongs within the utility model protection domain.

Claims (3)

1. with the air preheater of dedusting, comprise by upper perforated plate ⑵, lower perforated plate ⑶, two side wall panels consisting of the casing ⑸ that communicates about; Consisted of the cavity of a sealing by the tube chamber of upper perforated plate ⑵, lower perforated plate ⑶, flue gas inlet tube ⑹, smoke outlet tube ⑺, some thin-wall steel tube ⑴; The medium position of thin-wall steel tube ⑴ is provided with median septum ⑾ in the described casing ⑸, casing ⑸ is divided into up and down two parts, the left upper portion of described casing ⑸ is arranged with air outlet slit pipe ⑼, part is connected with air intlet pipe ⑻ under the left side of described casing ⑸, and the right side of described casing ⑸ is connected with air communication cover ⑷; Part, the upper part of air communication cover ⑷, casing ⑸, air intlet pipe ⑻ consist of a complete air loop under described air intlet pipe ⑼, the casing ⑸; It is characterized in that: be provided with dust arrester ⑽ in the inner chamber of described smoke outlet tube ⑺, described smoke outlet tube ⑺ outer wall is provided with ash hole ⒀, and described dust arrester ⑽ and ash hole ⒀ are connected.
2. the air preheater with dedusting according to claim 1 is characterized in that: left side, right side in the described casing ⑸ are respectively equipped with spoiler ⑿.
3. the air preheater with dedusting according to claim 2 is characterized in that: the left side in the described casing ⑸, the length sum of right side spoiler ⑿ are less than the length of median septum ⑾.
CN2012204873573U 2012-09-24 2012-09-24 Dedusting air pre-heater Expired - Fee Related CN202884972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012204873573U CN202884972U (en) 2012-09-24 2012-09-24 Dedusting air pre-heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012204873573U CN202884972U (en) 2012-09-24 2012-09-24 Dedusting air pre-heater

Publications (1)

Publication Number Publication Date
CN202884972U true CN202884972U (en) 2013-04-17

Family

ID=48076396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012204873573U Expired - Fee Related CN202884972U (en) 2012-09-24 2012-09-24 Dedusting air pre-heater

Country Status (1)

Country Link
CN (1) CN202884972U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629689A (en) * 2013-11-08 2014-03-12 长兴新城环保有限公司 Combustion-chamber tail air preheating device
CN105627790A (en) * 2014-11-25 2016-06-01 江苏恒力达机械有限公司 Air heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629689A (en) * 2013-11-08 2014-03-12 长兴新城环保有限公司 Combustion-chamber tail air preheating device
CN103629689B (en) * 2013-11-08 2016-04-20 长兴新城环保有限公司 Burner hearth tail air preheating device
CN105627790A (en) * 2014-11-25 2016-06-01 江苏恒力达机械有限公司 Air heat exchanger

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130417

Termination date: 20130924

C17 Cessation of patent right