CN101922739A - Double-furnace counter heating coal-fired coal gasification boiler - Google Patents

Double-furnace counter heating coal-fired coal gasification boiler Download PDF

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Publication number
CN101922739A
CN101922739A CN 201010290384 CN201010290384A CN101922739A CN 101922739 A CN101922739 A CN 101922739A CN 201010290384 CN201010290384 CN 201010290384 CN 201010290384 A CN201010290384 A CN 201010290384A CN 101922739 A CN101922739 A CN 101922739A
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CN
China
Prior art keywords
coal
gasification boiler
coal gasification
burning
counter heating
Prior art date
Application number
CN 201010290384
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Chinese (zh)
Inventor
任二平
任政姣
Original Assignee
山西新聚星锅炉有限公司
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.)
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Publication date
Application filed by 山西新聚星锅炉有限公司 filed Critical 山西新聚星锅炉有限公司
Priority to CN 201010290384 priority Critical patent/CN101922739A/en
Publication of CN101922739A publication Critical patent/CN101922739A/en

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Abstract

The invention discloses a double-furnace counter heating coal-fired coal gasification boiler, which belongs to the technical field of boilers and solves the problems of unqualified flue gas and inconvenient operation of the existing coal-fired coal gasification boiler. The double-furnace counter heating coal-fired coal gasification boiler comprises a plurality of counter heating coal gas generating chambers the upper parts of which are communicated through counter heating vent breathers, and the counter heating coal gas generating chambers are respectively provided with a coal feeding furnace door; the lower parts of the coal feeding furnace doors are respectively with a counter heating fire grate and an ash discharging port, and the lower part of each ash discharging port is provided with a combustion chamber, a primary high-pressure blast and a water seal pool; the combustion chamber is provided with a fire outlet communicated with a heat absorption area, and the lower part of the fire outlet is provided with a taphole; secondary high-pressure blasts are respectively arranged above the counter heating coal gas generating chambers; and the heat absorption area is internally provided with a plurality of heat-absorption water pipes, and a flue gas outlet is arranged above the heat absorption area. The double-furnace counter heating coal-fired coal gasification boiler has increased counter heating area, enables the flue gas to be more environmental-friendly, has convenient operation, improves the flow velocity of the flue gas and reduces potential safety hazards.

Description

Double-furnace counter heating coal-fired coal gasification boiler

Technical field

The invention belongs to the technical field of boiler, be specifically related to a kind of double-furnace counter heating coal-fired coal gasification boiler.

Background technology

The applicant as the inventor in 200920351986.1 of first to file, a kind of coal-fired coal gasification boiler is disclosed, comprise just burn gas generation chamber and reverse-burning gas generation chamber that top interconnects, the generation chamber that just burning gas bottom is provided with just burns fire grate, just burning fire grate below high-pressure blast and water-stop pond are set, the top is the generating region that just burns gas; Reverse-burning gas generation chamber bottom is provided with anti-burn grate, and the anti-burn grate below is provided with the combustion chamber and has the crater that is communicated with the district of absorbing heat, and the top is the reverse-burning gas generating region; Secondary high-pressure wind is established in reverse-burning gas generating region top, and heat absorption is provided with heat-absorbing water pipe in the district, and top, heat absorption district has exhanst gas outlet.The coal-fired coal gasification boiler of existing structure exists combustion fumes too much in use, influences environment, and environmental protection is not up to standard; Fireman's inconvenient operation; The problem that has potential safety hazard.

Summary of the invention

The present invention is in order to solve existing coal-fired coal gasification boiler because unreasonable structure, and the flue gas of existence is not up to standard, inconvenient operation, and the problem of potential safety hazard, and a kind of twin furnace burning coal gasification boiler that is all-trans is provided.

The present invention is achieved by the following technical solutions:

The twin furnace burning coal gasification boiler that is all-trans, comprise that top is communicated with by anti-burning connected entrance and be respectively arranged with two reverse-burning gas generation chamber that add coal stove door, each reverse-burning gas generation chamber bottom is provided with anti-burn grate, ash poking mouth and slag notch, the anti-burn grate below is provided with the combustion chamber, and have and the crater that is communicated with of district that absorbs heat, the anti-burn grate top is the reverse-burning gas generation chamber, reverse-burning gas generation chamber top is provided with secondary high-pressure wind, anti-burn grate below is provided with high-pressure blast and water-stop pond, heat absorption is provided with some heat-absorbing water pipes in the district, and top, heat absorption district has exhanst gas outlet.During use, add coal from adding coal stove door, under high-pressure blast and secondary high-pressure wind action, mixed gas that produces on the anti-burn grate and used heat are by the reverse-burning gas generating region on anti-burn grate top, penetrate the combustion chamber that coal seam and burnt layer on the anti-burn grate enter below the anti-burn grate and burn under the effect of secondary high-pressure wind and air-introduced machine, fully discharge from exhanst gas outlet the burning back.

Be provided with the desulfurization pond below the exhanst gas outlet connection devulcanizer, devulcanizer, devulcanizer top connects chimney through air-introduced machine.

Heat absorption is provided with some backhauls in the district, and an end of each backhaul links to each other with body of heater, leaves the gap between the other end and the body of heater, and the gap of adjacent backhaul is crisscross arranged.

Described backhaul is the fin type backhaul, and the fin type backhaul comprises some water pipes, and two adjacent water pipes connect by two steel plates, the end that two steel plates the join overlap joint that intermeshes, and lap-joint leaves the gap.

Top, heat absorption district has inspection socket, and the bottom has cleaning door.

Reverse-burning gas generating region top is provided with the bypass pipe that is connected with chimney, and bypass pipe is provided with by-passing valve.

The present invention has following beneficial effect:

(1) takes the coupling of twin furnace, anti-burn grate burning structure and the effect of first and second high pressure air blast, increase anti-area and the burning velocity of burning, make boiler normally go out merit;

(2) the negative-pressure firing method that adopts positive and negative pressure to combine makes boiler attendance convenient.

(3) adopt the water pipe heat-absorbing structure, eliminated the fire tube structure and easily caused fire tube inwall dust stratification and obstruction, make the heat absorption of boiler bad, the drawback of waste fuel.

(4) adopt fin type horizontal water tube return structures, both increased the volume of heating surface, minimizing stove, increase the flow velocity of flue gas again.

Description of drawings

Fig. 1 looks the internal structure schematic diagram for master of the present invention

Fig. 2 is a plan structure schematic diagram of the present invention

Among the figure: 1-water-stop pond, the 2-slag notch, the 3-slag notch, 4-adds coal stove door, the 5-anti-burn grate, 6-ash poking mouth, 7-adds coal stove door, 8-combustion chamber, 9-secondary high-pressure wind, the 10-water layer, 11-by-passing valve, 12-bypass pipe, 13-heat-absorbing water pipe, the 14-inspection socket, 15-air-introduced machine, 16-chimney, 17-devulcanizer, 18-reverse-burning gas generation chamber, 19-crater, 20-high pressure blower, high-pressure blast of 21-, the backhaul of 22-fin type, 23-cleaning door, 24-desulfurization pond, the anti-connected entrance that burns of 25-.

The specific embodiment

In conjunction with the accompanying drawings the specific embodiment of the present invention is described further.

As Fig. 1, shown in 2, the twin furnace burning coal gasification boiler that is all-trans, comprise that top is that be communicated with and be respectively arranged with two reverse-burning gas generation chamber 18 that add coal stove door 4 and add coal stove door 7 by anti-burning connected entrance 25, each reverse-burning gas generation chamber bottom is provided with anti-burn grate 5, ash poking mouth 6, slag notch 2 and slag notch 3, anti-burn grate 5 belows are provided with combustion chamber 8, and have and the crater 19 that is communicated with of district that absorbs heat, anti-burn grate 5 tops are reverse-burning gas generation chamber 18, reverse-burning gas generation chamber 18 tops are provided with secondary high-pressure wind 9, anti-burn grate 5 belows are provided with high-pressure blast 21 and water-stop pond 1, heat absorption is provided with some heat-absorbing water pipes 13 in the district, and top, heat absorption district has exhanst gas outlet.

A high-pressure blast 21 also is connected with top, high pressure blower 20 heat absorption district and has inspection socket 14, and the bottom has cleaning door 23.The top is provided with water layer 10 in the heat absorption district.In the heat absorption district some fin type backhauls 22 are set, the fin type backhaul comprises some water pipes, and two adjacent water pipes connect by two steel plates, the end that two steel plates the join overlap joint that intermeshes, and lap-joint leaves the gap.The air inlet of secondary high-pressure wind 9 links to each other with high pressure blower 20, and exhanst gas outlet connects devulcanizer 17, is provided with desulfurization pond 24 below the devulcanizer, and devulcanizer top connects chimneys 16 through air-introduced machine 15.

Reverse-burning gas generation chamber top is provided with the bypass pipe 12 that is connected with chimney 16, and bypass pipe is provided with by-passing valve 11.

Claims (7)

1. twin furnace burning coal gasification boiler that is all-trans, it is characterized in that comprising that top passes through instead to burn that connected entrance (25) is communicated with and be respectively arranged with two the reverse-burning gas generation chamber (18) that add coal stove door, each reverse-burning gas generation chamber bottom is provided with anti-burn grate (5), ash poking mouth (6), slag notch, the anti-burn grate below is provided with combustion chamber (8), and have and the crater (19) that is communicated with of district that absorbs heat, the anti-burn grate top is the reverse-burning gas generation chamber, reverse-burning gas generation chamber top is provided with secondary high-pressure wind (9), the anti-burn grate below is provided with a high-pressure blast (21) and water-stop pond (1), heat absorption is provided with some heat-absorbing water pipes (13) in the district, and top, heat absorption district has exhanst gas outlet.
2. the twin furnace according to claim 1 burning coal gasification boiler that is all-trans is characterized in that top, described heat absorption district has inspection socket (14), and the bottom has cleaning door (23).
3. the twin furnace according to claim 1 and 2 burning coal gasification boiler that is all-trans, it is characterized in that in the described heat absorption district some backhauls being set, one end of each backhaul links to each other with body of heater, leaves the gap between the other end and the body of heater, and the gap of adjacent backhaul is crisscross arranged.
4. the twin furnace according to claim 3 burning coal gasification boiler that is all-trans, it is characterized in that described backhaul is fin type backhaul (22), the fin type backhaul comprises some water pipes, two adjacent water pipes connect by two steel plates, the end that two steel plates the join overlap joint that intermeshes, lap-joint leaves the gap.
5. the twin furnace according to claim 1 and 2 burning coal gasification boiler that is all-trans is characterized in that the air inlet of described secondary high-pressure wind (9) links to each other with high pressure blower (20).
6. the twin furnace according to claim 1 and 2 burning coal gasification boiler that is all-trans is characterized in that described exhanst gas outlet connects devulcanizer (17), is provided with desulfurization pond (24) below the devulcanizer, and devulcanizer top connects chimney (16) through air-introduced machine (15).
7. the twin furnace according to claim 1 and 2 burning coal gasification boiler that is all-trans is characterized in that described reverse-burning gas generation chamber (18) top is provided with the bypass pipe (12) that is connected with chimney (16), and bypass pipe is provided with by-passing valve (11).
CN 201010290384 2010-09-25 2010-09-25 Double-furnace counter heating coal-fired coal gasification boiler CN101922739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010290384 CN101922739A (en) 2010-09-25 2010-09-25 Double-furnace counter heating coal-fired coal gasification boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010290384 CN101922739A (en) 2010-09-25 2010-09-25 Double-furnace counter heating coal-fired coal gasification boiler

Publications (1)

Publication Number Publication Date
CN101922739A true CN101922739A (en) 2010-12-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287910A (en) * 2011-06-23 2011-12-21 山西新聚星锅炉有限公司 Double-hearth coal-gasifying boiler
CN103471137A (en) * 2013-09-06 2013-12-25 梁可竹 Multiple-return-stroke reverse combustion heating boiler
CN104748153A (en) * 2015-04-12 2015-07-01 陈相源 Sealed duplex energy-saving stove
CN106091023A (en) * 2016-08-17 2016-11-09 常州市锅炉设备有限公司 The burner hearth of biomass fired boiler

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014725Y (en) * 2007-01-23 2008-01-30 周建章 Environment protection type back-firing coal gasification boiler
CN201433198Y (en) * 2009-07-13 2010-03-31 任二平 Coal-fired coal gasification boiler
CN201514016U (en) * 2009-03-27 2010-06-23 巩运国 Double furnace body counter heating energy-saving environment-friendly boiler
CN201589407U (en) * 2009-12-31 2010-09-22 任二平 Coal-fired gasification boiler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201014725Y (en) * 2007-01-23 2008-01-30 周建章 Environment protection type back-firing coal gasification boiler
CN201514016U (en) * 2009-03-27 2010-06-23 巩运国 Double furnace body counter heating energy-saving environment-friendly boiler
CN201433198Y (en) * 2009-07-13 2010-03-31 任二平 Coal-fired coal gasification boiler
CN201589407U (en) * 2009-12-31 2010-09-22 任二平 Coal-fired gasification boiler

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287910A (en) * 2011-06-23 2011-12-21 山西新聚星锅炉有限公司 Double-hearth coal-gasifying boiler
CN103471137A (en) * 2013-09-06 2013-12-25 梁可竹 Multiple-return-stroke reverse combustion heating boiler
CN104748153A (en) * 2015-04-12 2015-07-01 陈相源 Sealed duplex energy-saving stove
CN106091023A (en) * 2016-08-17 2016-11-09 常州市锅炉设备有限公司 The burner hearth of biomass fired boiler

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Application publication date: 20101222

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