CN203413650U - Energy-saving boiler capable of internal dust removal and afterheat recovery - Google Patents
Energy-saving boiler capable of internal dust removal and afterheat recovery Download PDFInfo
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- CN203413650U CN203413650U CN201320474413.4U CN201320474413U CN203413650U CN 203413650 U CN203413650 U CN 203413650U CN 201320474413 U CN201320474413 U CN 201320474413U CN 203413650 U CN203413650 U CN 203413650U
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- flue gas
- boiler
- dust removal
- heater
- ash removal
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Abstract
The utility model relates to an energy-saving boiler, and specifically relates to an energy-saving boiler capable of internal dust removal and afterheat recovery. The energy-saving boiler capable of internal dust removal and afterheat recovery aims to solve the problem that internal dust stratification of the existing coal-fired boiler affects the operation efficiency of a hot blast heater and also causes fuel waste and influence on production and the problem that dust stratification results in overhigh exhaust gas temperature which is easy to cause the burn-down of an induced draft fan and a back-end heating surface. The energy-saving boiler capable of internal dust removal and afterheat recovery is characterized in that a plurality of first flue gas dust removal units and a plurality of second flue gas dust removal units are arranged in a dust removal chamber at the rear part of the boiler body in a staggered pattern, the plurality of first flue gas dust removal units and the plurality of second flue gas dust removal units form a flue gas dust removal mechanism under which a plurality of dust particle recovery pipes are arranged evenly, a rear shed pipe is inserted into the rear end of the boiler body, a right dust removal header is arranged at the right side in the boiler body, while a left dust removal header is arranged at the left side in the boiler body, and two clean-out doors are arranged in parallel on the outer sidewall of the rear part of the furnace body. The energy-saving boiler capable of internal dust removal and afterheat recovery is used for heating.
Description
Technical field
The utility model relates to a kind of power economized boiler, is specifically related to a kind of interior dedusting afterheat recovery type power economized boiler.
Background technology
At present, there is following defect in coal-burning boiler: 1, coal-burning boiler run duration produces fouling of heating surface, especially use the coal that ash content is larger, owing to being subject to hot-blast stove structural limitations, cleaning dust stratification is difficulty comparatively, and a Heating Period is 6 months, heating surface tube dust stratification thickness can reach 8 millimeters, the thermal conductivity factor of dust stratification is one of eight percentages of iron, and visible dust stratification has had a strong impact on hot-blast stove operational efficiency, has caused waste and the impact on production of fuel; 2, due to the existence of dust stratification, cause exhaust gas temperature too high, easily burn air-introduced machine and back-end surfaces.
Utility model content
The utility model affects hot-blast stove operational efficiency for solving existing coal-burning boiler inner product ash, waste and the impact on production of fuel have been caused, and dust stratification causes exhaust gas temperature too high, easily burn the problem of air-introduced machine and back-end surfaces, and then propose a kind of interior dedusting afterheat recovery type power economized boiler.
The utility model is to address the above problem the technical scheme of taking to be: the utility model comprises boiler lower-left header, boiler bottom right header, boiler exhaust gas road and body of heater, front end in body of heater is provided with combustion chamber, the first boiler heating surface district, the second boiler heating surface district is successively set in body of heater from top to bottom, and the first boiler heating surface district and the second boiler heating surface district are all positioned at the top of combustion chamber, boiler lower-left header is arranged on the left side in body of heater, boiler bottom right header is arranged on the right side in body of heater, boiler exhaust gas road is arranged on the upper surface of body of heater, the utility model also comprises rear shed pipe, the right header of dedusting, dedusting Left-wing Federation case, two shoot doors, a plurality of grit recovery tubes, a plurality of the first gas baffle mechanisms and a plurality of the second gas baffle mechanism, every three the first gas baffle mechanisms form a first flue gas ash removal unit, every two the second gas baffle mechanisms form a second flue gas ash removal unit, a plurality of described the first flue gas ash removal unit and a plurality of described the second flue gas ash removal unit are staggered and are arranged in the dirt pocket at body of heater rear portion, a plurality of described the first flue gas ash removal unit and a plurality of the second flue gas ash removal unit form flue gas ash removal mechanism, a plurality of grit recovery tubes are uniform is arranged on the below of described flue gas ash removal mechanism, rear shed pipe is inserted in the rear end of body of heater, the right header of dedusting is arranged on the right side in body of heater, dedusting Left-wing Federation case is arranged on the left side in body of heater, two shoot doors are arranged side by side on the lateral wall at body of heater rear portion.
The beneficial effects of the utility model are: the utility model can decline more than 85% by the dust particle concentration that contains of high-temperature flue gas, thereby significantly alleviated Boiler smoke tube dust stratification, reached dedusting object, the separated high-temperature particle getting off is under Action of Gravity Field, vertically downward with the heating surface cross flow one of grit waste heat recovery pipe, form heat convection, the heating surface of grit waste heat recovery pipe absorbs high temperature grit liberated heat, regularly the grit being cooled is drawn out outside stove by two shoot doors, realize the recovery of grit waste heat, arrived fuel-saving object.
Accompanying drawing explanation
Fig. 1 is main cutaway view of the present utility model, and Fig. 2 is the left cutaway view of Fig. 1, and Fig. 3 is the top view of Fig. 1, and Fig. 4 is the structural representation of the second gas baffle mechanism, and Fig. 5 is the structural representation of the first gas baffle mechanism.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1 to Fig. 3, described in present embodiment, a kind of interior dedusting afterheat recovery type power economized boiler comprises boiler lower-left header 9, boiler bottom right header 10, boiler exhaust gas road 13 and body of heater 14, front end in body of heater 14 is provided with combustion chamber 11, the first boiler heating surface district 1, the second boiler heating surface district 2 is from top to bottom successively set in body of heater 14, and the first boiler heating surface district 1 and the second boiler heating surface district 2 are all positioned at the top of combustion chamber 11, the left side that boiler lower-left header 9 is arranged in body of heater 14, the right side that boiler bottom right header 10 is arranged in body of heater 14, boiler exhaust gas road 13 is arranged on the upper surface of body of heater 14, present embodiment also comprises rear shed pipe 3, the right header 5 of dedusting, dedusting Left-wing Federation case 6, two shoot doors 8, a plurality of grit recovery tubes 7, a plurality of the first gas baffle mechanisms 4 and a plurality of the second gas baffle mechanism 12, every three the first gas baffle mechanisms 4 form a first flue gas ash removal unit, every two the second gas baffle mechanisms 12 form a second flue gas ash removal unit, a plurality of described the first flue gas ash removal unit and a plurality of described the second flue gas ash removal unit are staggered and are arranged in the dirt pocket at body of heater 14 rear portions, a plurality of described the first flue gas ash removal unit and a plurality of the second flue gas ash removal unit form flue gas ash removal mechanism, a plurality of grit recovery tubes 7 are uniform is arranged on the below of described flue gas ash removal mechanism, rear shed pipe 3 is inserted in the rear end of body of heater 14, the right header 5 of dedusting is arranged on the right side in body of heater 14, the left side that dedusting Left-wing Federation case 6 is arranged in body of heater 14, two shoot doors 8 are arranged side by side on the lateral wall at body of heater 14 rear portions.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1 to Fig. 3, described in present embodiment, a kind of three the first gas baffle mechanisms 4 of each the first flue gas ash removal unit of interior dedusting afterheat recovery type power economized boiler are yi word pattern setting, and leave the first exhaust gases passes between adjacent two the first gas baffle mechanisms 4, two the second gas baffle mechanisms 2 of each the second flue gas ash removal unit are yi word pattern setting, and leave the second exhaust gases passes between two the second gas baffle mechanisms 12.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: present embodiment is described in conjunction with Fig. 4 and Fig. 5, described in present embodiment, each first gas baffle mechanism 4 of a kind of interior dedusting afterheat recovery type power economized boiler comprises three first flue gas gear pipe 4-1 and two the first fin keel 4-2, three the first flue gas gear pipe 4-1 be arranged in parallel side by side, and adjacent two the first flue gas gear pipe 4-1 connect by a first fin keel 4-2.Other composition and annexation are identical with the specific embodiment two.
The specific embodiment four: present embodiment is described in conjunction with Fig. 4 and Fig. 5, described in present embodiment, each second gas baffle mechanism 4 comprises two second flue gas gear pipe 12-1 and second fin keel 12-2, two the second flue gas gear pipe 12-1 be arranged in parallel side by side, and two the second fin keel 12-2 connect by the second fin keel 12-2.Other composition and annexation are identical with the specific embodiment two.
Operation principle
The utility model utilizes inertia ash disposal principle, before high-temperature flue gas enters Boiler smoke tube heating surface one district, first by the flue gas ash removal mechanism in dirt pocket, flue gas turns round rapidly and clashes into the first flue gas gear pipe 4-1, the first fin keel 4-2, the second flue gas gear pipe 12-1, the second fin keel 12-2 when the first exhaust gases passes and the second exhaust gases passes flow, soot dust granule in flue gas is because the inertia effect is separated with flue gas, and the clean flue gas after separation enters in the first boiler heating surface district 1.
Claims (4)
1. dedusting afterheat recovery type power economized boiler in a kind, it comprises boiler lower-left header (9), boiler bottom right header (10), boiler exhaust gas road (13) and body of heater (14), front end in body of heater (14) is provided with combustion chamber (11), the first boiler heating surface district (1), the second boiler heating surface district (2) is from top to bottom successively set in body of heater (14), and the first boiler heating surface district (1) and the second boiler heating surface district (2) are all positioned at the top of combustion chamber (11), boiler lower-left header (9) is arranged on the left side in body of heater (14), boiler bottom right header (10) is arranged on the right side in body of heater (14), boiler exhaust gas road (13) is arranged on the upper surface of body of heater (14), it is characterized in that: described a kind of interior dedusting afterheat recovery type power economized boiler also comprises rear shed pipe (3), the right header of dedusting (5), dedusting Left-wing Federation case (6), two shoot doors (8), a plurality of grit recovery tubes (7), a plurality of the first gas baffle mechanisms (4) and a plurality of the second gas baffle mechanism (12), every three the first gas baffle mechanisms (4) form a first flue gas ash removal unit, every two the second gas baffle mechanisms (12) form a second flue gas ash removal unit, a plurality of described the first flue gas ash removal unit and a plurality of described the second flue gas ash removal unit are staggered and are arranged in the dirt pocket at body of heater (14) rear portion, a plurality of described the first flue gas ash removal unit and a plurality of the second flue gas ash removal unit form flue gas ash removal mechanism, a plurality of grit recovery tubes (7) are uniform is arranged on the below of described flue gas ash removal mechanism, rear shed pipe (3) is inserted in the rear end of body of heater (14), the right header of dedusting (5) is arranged on the right side in body of heater (14), dedusting Left-wing Federation case (6) is arranged on the left side in body of heater (14), two shoot doors (8) are arranged side by side on the lateral wall at body of heater (14) rear portion.
2. a kind of interior dedusting afterheat recovery type power economized boiler according to claim 1, it is characterized in that: three the first gas baffle mechanisms (4) of each the first flue gas ash removal unit are yi word pattern setting, and leave the first exhaust gases passes between adjacent two the first gas baffle mechanisms (4), two the second gas baffle mechanisms (2) of each the second flue gas ash removal unit are yi word pattern setting, and leave the second exhaust gases passes between two the second gas baffle mechanisms (12).
3. a kind of interior dedusting afterheat recovery type power economized boiler according to claim 2, it is characterized in that: each first gas baffle mechanism (4) comprises three first flue gas gear pipes (4-1) and two the first fin keels (4-2), three the first flue gas gear pipes (4-1) be arranged in parallel side by side, and adjacent two the first flue gas gear pipes (4-1) connect by first fin keel (4-2).
4. a kind of interior dedusting afterheat recovery type power economized boiler according to claim 2, it is characterized in that: each second gas baffle mechanism (4) comprises two second flue gas gear pipes (12-1) and second fin keels (12-2), two the second flue gas gear pipes (12-1) be arranged in parallel side by side, and two the second fin keels (12-2) connect by the second fin keel (12-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474413.4U CN203413650U (en) | 2013-08-05 | 2013-08-05 | Energy-saving boiler capable of internal dust removal and afterheat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320474413.4U CN203413650U (en) | 2013-08-05 | 2013-08-05 | Energy-saving boiler capable of internal dust removal and afterheat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413650U true CN203413650U (en) | 2014-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320474413.4U Expired - Lifetime CN203413650U (en) | 2013-08-05 | 2013-08-05 | Energy-saving boiler capable of internal dust removal and afterheat recovery |
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| Country | Link |
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| CN (1) | CN203413650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757639A (en) * | 2014-12-16 | 2016-07-13 | 哈尔滨东升锅炉有限公司 | Single-drum water-fire tube boiler preventing front tube sheet from being damaged |
-
2013
- 2013-08-05 CN CN201320474413.4U patent/CN203413650U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757639A (en) * | 2014-12-16 | 2016-07-13 | 哈尔滨东升锅炉有限公司 | Single-drum water-fire tube boiler preventing front tube sheet from being damaged |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
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| CX01 | Expiry of patent term |