CN201014725Y - Environment protection type back-firing coal gasification boiler - Google Patents

Environment protection type back-firing coal gasification boiler Download PDF

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Publication number
CN201014725Y
CN201014725Y CNU2007200892432U CN200720089243U CN201014725Y CN 201014725 Y CN201014725 Y CN 201014725Y CN U2007200892432 U CNU2007200892432 U CN U2007200892432U CN 200720089243 U CN200720089243 U CN 200720089243U CN 201014725 Y CN201014725 Y CN 201014725Y
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CN
China
Prior art keywords
chamber
burning
baffling
boiler
gas generating
Prior art date
Application number
CNU2007200892432U
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Chinese (zh)
Inventor
周建章
张铁成
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周建章
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Priority to CNU2007200892432U priority Critical patent/CN201014725Y/en
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Publication of CN201014725Y publication Critical patent/CN201014725Y/en

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Abstract

The utility model relates to an environmental protection inverse combustion coal gasification boiler comprising a boiler body and a positive pressure multi-point air distributing system. The boiler body comprises a coal gas generating chamber, a firebox, a water-cooled grate, a rebuming chamber, and a convection heat transfer chamber. A water jacket is arranged between the coal gas generating chamber, firebox, rebuming chamber and a boiler shell. The coal gas generating chamber is communicated with the firebox and the coal gas generating chamber is on-off with atmosphere. The positive pressure multi-point air distributing system is connected with the coal gas generating chamber, firebox, and the rebuming chamber through a primary air inlet pipe, a secondary air inlet pipe, and a tertiary air inlet pipe. The water jacket of the convection heat transfer chamber is communicated with the water jacket between the coal gas generating chamber, firebox, the rebuming chamber and the boiler shell through a water siphoneum and a gas water mixture exit tube. The utility model has the advantages of novel structure, easy use, high coal gas conversion rate, and no coal gas detonation danger. The utility model can be broadly applied to the places that need environmental exhausting boilers and can replace the oil and gas-fired boiler, which can save considerable running cost for customers.

Description

Environment-friendly type reverse-burning gas boiler

Technical field

The utility model relates to a kind of reverse-burning gas boiler, particularly a kind of environment-friendly type reverse-burning gas boiler.

Background technology

Current, the anti-burning technology and the coal gasification combustion technology of the coal nothing more than of the clean combustion technology comparative maturity of coal.Though traditional back firing boiler can alleviate the pollution to atmosphere to a certain extent, but do not reach existing national environmental protection index regulation far away, though the coal gasification combustion boiler has been realized the coal clean combustion well, in running, there is the danger of complex operation, coal gas detonation again.

Summary of the invention

The purpose of this utility model is at above-mentioned two kinds of pluses and minuses that boiler exists on combustion system, the two is organically combined, and provide a kind of can qualified discharge, environment-friendly type reverse-burning gas boiler simple to operate, safe in utilization again, and this type of furnace is by adding the heat convection part, both play the effect of dedusting, improved exerting oneself of boiler again greatly.

Technical solution of the present utility model is such: comprise boiler body, be installed in the malleation multiple spot blowing system on the boiler body, boiler body comprise combustion chamber, the below, combustion chamber of gas generating chamber, gas generating chamber below water-cooled grate, be positioned at the burning chamber of water-cooled grate below, by the convection heat-exchange chamber of exhaust gases passes with burning chamber's connection; It between gas generating chamber, combustion chamber, burning chamber and the shell water leg that has outlet, the gas generating chamber that sets gradually from top to bottom, combustion chamber, water-cooled grate and burning chamber constitute combustion system, gas generating chamber directly communicates with the combustion chamber, the gas generating chamber place has and adds coal stove door, the place, combustion chamber has the slagging-off fire door, the burning chamber place has the deashing fire door, and gas generating chamber is through flue gas by-passing valve and smoke exhaust pipe and atmosphere break-make; Malleation multiple spot blowing system is connected with gas generating chamber, combustion chamber and burning chamber respectively by blast pipe, secondary wind inleting tube, three blast pipes, forces air distribution to gas generating chamber, combustion chamber and burning chamber; Water leg between water leg in the convection heat-exchange chamber and gas generating chamber, combustion chamber, burning chamber and the shell goes out pipe by water connecting leg and steam water interface and connects mutually.

In malleation multiple spot blowing system, gas generating chamber is provided with blast pipe one time, this pipe directly feeds in the coal store or extend into that one 90 ° of elbows of the heart channel of Hang-Shaoyin are bent downwardly in the coal store, at this elbow end one toroidal airduct is arranged, in this toroidal airduct spinning disk is housed, on a blast pipe, the control air valve is installed, by air distribution amount of control air valve control, the combustion chamber is provided with secondary wind inleting tube, this airduct is that an angle is 116 ° of sector wind bands after entering the combustion chamber, on this wind band every certain angle radially and to wind hole that water-cooled grate tilts, this sector wind band is positioned at a side of combustion chamber, or being symmetrical in both sides branch, sector wind band periphery has flame retardant coating, and the control air valve is installed on secondary wind inleting tube, by control air valve control secondary air distribution amount, in secondary wind inleting tube the place ahead auxiliary steam pipe is arranged, auxiliary steam pipe is connected the steam of providing and delivering by secondary wind inleting tube and combustion chamber in the combustion chamber; Three times blast pipe is identical with the secondary air tubular construction, and its position is in burning chamber, and its sector wind band only is distributed in air intake one side, and outer nothing has flame retardant coating coated, and the control air valve is installed on three blast pipes, by three air distribution amounts of control air valve control.

Convection heat-exchange chamber and combustion system are " one " word arrangement, convection heat-exchange chamber is provided with the first baffling chamber, the first baffling fire tube, the second baffling chamber, the second baffling fire tube and flue gas collecting chamber, and on the second baffling chamber, be provided with shoot door, the first baffling fire tube is connected the first baffling chamber and the second baffling chamber by last lower perforated plate, the second baffling fire tube is connected the second baffling chamber and flue gas collecting chamber by last lower perforated plate equally, the last lower perforated plate and the first baffling fire tube, be water leg between the second baffling fire tube, between the first baffling chamber and flue gas collecting chamber brick baffle is arranged, have exhaust gases passes between the burning chamber and the first baffling chamber.The air inducing wet desulfurizing dust-collector that declines links to each other with the flue gas collecting chamber by smoke exhaust pipe, and air inducing declines to wet and is equipped with air blast on the desulfurizing dust-collector, and links to each other with chimney.

Water leg exit in boiler body is equipped with water separator.Inwall is covered with flame retardant coating in burning chamber.The whole cooker furnace body has the packing heat-insulation layer outward, and the whole cooker furnace body is " L " type.Automatic loading water system, the automatically controlled case of micro computer also are installed on boiler body.The first baffling chamber, the second baffling chamber, flue gas collecting chamber remove last lower perforated plate face and all are covered with flame retardant coating.Be provided with smoke wall between the burning chamber and the first baffling chamber, on smoke wall, have the exhaust gases passes of elliptical aperture.

The utility model has the advantages that: structure uniqueness, easy to manufacture, easy to install, safe and reliable, coal are that fuel anti-burning in boiler is converted into gas-fired again, reach the sufficient combustion environment protecting of smokeless and dust free and desulfurization again.After heat convection system and air inducing decline wet dust catcher, reach smokeless emission, be a kind of desirable energy-saving environmental protection boiler.Thereby this boiler can be used in all that require environment protection emission widely and need the occasion of boiler, can replace fuel oil (gas) boiler in certain field, for the user saves considerable operating cost.

Description of drawings

Fig. 1 is a body of heater overall structure schematic diagram of the present utility model.

Fig. 2 is a combustion system cutaway view of the present utility model.

Fig. 3,4 is the front view and the cutaway view of secondary blowing system of the present utility model.

Fig. 5,6 is the front view and the cutaway view of three blowing systems of the present utility model.

Fig. 7 is a malleation multiple spot blowing system structural representation of the present utility model.

Fig. 8 is a blowing system structural representation of the present utility model.

Fig. 9 is outsourcing insulation figure of the present utility model.

The specific embodiment

Shown in Fig. 1~9, the utility model comprises boiler body 1, be installed in the malleation multiple spot blowing system 23 on the boiler body 1, boiler body 1 comprises gas generating chamber 31, the combustion chamber 33 of gas generating chamber 31 belows, the water-cooled grate 36 of 33 belows, combustion chamber, be positioned at the burning chamber 37 of water-cooled grate 36 belows, by the convection heat-exchange chamber 13 of exhaust gases passes 2 with burning chamber's 37 connections, gas generating chamber 31, combustion chamber 33, it between burning chamber 37 and the shell 38 water leg 34 that has outlet, the gas generating chamber 31 that sets gradually from top to bottom, combustion chamber 33, water-cooled grate 36 and burning chamber 37 constitute combustion system 29, gas generating chamber 31 directly communicates with combustion chamber 33, gas generating chamber 31 places have and add coal stove door 32,33 places, combustion chamber have slagging-off fire door 35, burning chamber 37 places have deashing fire door 39, gas generating chamber 31 is through flue gas by-passing valve 21 and smoke exhaust pipe 20 and atmosphere break-make, and promptly boiler body 1 is made up of combustion system 29 and convection heat-exchange chamber 13.

Malleation multiple spot blowing system 23 is connected with gas generating chamber 31, combustion chamber 33 and burning chamber 37 respectively by blast pipe 22, secondary wind inleting tube 25, three blast pipes 28, forces air distributions to gas generating chamber 31, combustion chamber 33 and burning chamber 37.

Water leg 34 between water leg 10 in the convection heat-exchange chamber 13 and gas generating chamber 31, combustion chamber 33, burning chamber 37 and the shell 38 goes out pipe 18 by water connecting leg 8 and steam water interface and connects mutually.

Above-mentioned combustion system 29 includes specifically that carbonated drink separates 30, gas generating chamber 31, add coal stove door 32, combustion chamber 33, water leg 34, slagging-off fire door 35, water-cooled grate 36, burning chamber 37, shell 38, deashing fire door 39, flame retardant coating 40.

Convection heat-exchange chamber 13 comprises the first baffling chamber 3, brick baffle 4, flue gas collecting chamber 5, water connecting leg 8, water leg 10, flame retardant coating 12, the second baffling fire tube 14, the second baffling chamber 15, shoot door 16, upward lower perforated plate 17, steam water interface go out pipe 18, the first baffling fire tube 19 formations, air blast 9 communicates with chimney 11, and chimney 11 is connected to air inducing and declines on the wet dust catcher 6.

Shown in Fig. 1,2,7,8, in malleation multiple spot blowing system 23, gas generating chamber 31 is provided with blast pipe 22 one time, this pipe directly feeds in the coal store or extend into that one 90 ° of elbows 47 of the heart channel of Hang-Shaoyin are bent downwardly in the coal store, at this elbow end one toroidal airduct 46 is arranged, in this toroidal airduct 46 spinning disk 48 is housed, control air valve 24 is installed on a blast pipe 22, by air distribution amount of control air valve 24 controls.

As Fig. 1,2,3,4,7, shown in 8, combustion chamber 33 is provided with secondary wind inleting tube 25, this airduct is that an angle is 116 ° of sector wind bands 43 after entering the combustion chamber, on this wind band every certain angle radially and to wind hole 41 that water-cooled grate 36 tilts, this sector wind band 43 is positioned at a side of combustion chamber 33, or be symmetrical in both sides branch, sector wind band 43 peripheries have flame retardant coating 42, control air valve 26 is installed on secondary wind inleting tube 25, by control air valve 26 control secondary air distribution amounts, in secondary wind inleting tube 25 the place aheads auxiliary steam pipe 45 is arranged, auxiliary steam pipe 45 is connected by secondary wind inleting tube 25 and combustion chamber 33, dispensing steam in combustion chamber 33.

Shown in Fig. 1,2,5,6,7,8, three times blast pipe 28 is identical with the secondary air tubular construction, its position is in burning chamber, its sector wind band 44 only is distributed in air intake one side, outer nothing has flame retardant coating coated, control air valve 27 is installed, by three air distribution amounts of control air valve 27 controls on three blast pipes 28.

As shown in Figure 1, convection heat-exchange chamber 13 is " one " word arrangement with combustion system, convection heat-exchange chamber 13 is provided with the first baffling chamber 3, the first baffling fire tube 19, the second baffling chamber 15, the second baffling fire tube 14 and flue gas collecting chamber 5, and on the second baffling chamber, be provided with shoot door 16, the first baffling fire tube 19 is connected the first baffling chamber 3 and the second baffling chamber 15 by last lower perforated plate 17, the second baffling fire tube 14 is same by last lower perforated plate 17 connection second baffling chamber 15 and flue gas collecting chambers 5, the last lower perforated plate 17 and the first baffling fire tube 19, be water leg 10 between the second baffling fire tube 14,5 of the first baffling chamber 3 and flue gas collecting chambers have brick baffle 4, have exhaust gases passes 2 between the burning chamber 37 and the first baffling chamber 3.The air inducing wet desulfurizing dust-collector 6 that declines links to each other with flue gas collecting chamber 5 by smoke exhaust pipe 7, and air inducing declines to wet and is equipped with air blast 9 on the desulfurizing dust-collector 6, and links to each other with chimney 11.

The first baffling chamber 3, the second baffling chamber 15, flue gas collecting chamber 5 remove 17 of last lower perforated plates and all are covered with flame retardant coating 12.Be provided with smoke wall between the burning chamber 37 and the first baffling chamber 3, on smoke wall, have the exhaust gases passes 2 of elliptical aperture.

As shown in Figure 2,34 exits of the water leg in boiler body 1 are equipped with water separator 30.37 inwalls are covered with flame retardant coating 40 in burning chamber.

As shown in Figure 9, the whole cooker furnace body has packing heat-insulation layer 49 outward, and the whole cooker furnace body is " L " type.Automatic loading water system, the automatically controlled case of micro computer also are installed on boiler body 1.

This practical environmental protection counter-burning type coal gasification steam boiler is that boiler body is made up of combustion system, heat convection system, blowing system with traditional counter-burning type boiler and the popular in recent years two-in-one boiler of coal gasification combustion boiler.Combustion system is made up of coal store (gas generating chamber), combustion chamber, water-cooled grate and gas burner (burning chamber).Be provided with water leg outside coal storeroom, combustion chamber and gas burner, the heat convection system is made up of first and second flue gas baffling chamber, last lower perforated plate, first and second flue gas baffling fire tube, flue gas collecting chamber and water leg.This place's water leg goes out pipe by water connecting leg, steam water interface and links to each other with combustion system place water leg, in first and second flue gas baffling chamber and the place that contacts with flue gas (flame) of flue gas collecting chamber be covered with flame retardant coating (except the place that upper and lower tube sheet is in contact with it).Blowing system has adopted the supporting wind of one, two, three multiple spot, and is connected with steam at first and second air distribution place, is beneficial to coal gasification, alleviates coking.The air inducing wet dust catcher that declines is blown into air to reach the effect of injection by air blast.Can eliminate the pollution of sulphur to atmosphere after this system adds desulfurizing agent, the flue gas by-passing valve is installed in gas generating chamber top, and chimney connects the air inducing wet dust catcher that declines.

Claims (10)

1. an environment-friendly type reverse-burning gas boiler comprises boiler body (1), is installed in the malleation multiple spot blowing system (23) on the boiler body (1), it is characterized in that:
A, boiler body (1) comprises gas generating chamber (31), the combustion chamber (33) of gas generating chamber (31) below, the water-cooled grate (36) of below, combustion chamber (33), be positioned at the burning chamber (37) of water-cooled grate (36) below, by the convection heat-exchange chamber (13) of exhaust gases passes (2) with burning chamber (37) connection, gas generating chamber (31), combustion chamber (33), it between burning chamber (37) and the shell (38) water leg (34) that has outlet, the gas generating chamber that sets gradually from top to bottom (31), combustion chamber (33), water-cooled grate (36) and burning chamber (37) constitute combustion system (29), gas generating chamber (31) directly communicates with combustion chamber (33), gas generating chamber (31) locates to have and adds coal stove door (32), slagging-off fire door (35) is located to have in combustion chamber (33), burning chamber (37) locates to have deashing fire door (39), gas generating chamber (31) is through flue gas by-passing valve (21) and smoke exhaust pipe (20) and atmosphere break-make
B, malleation multiple spot blowing system (23) are connected with gas generating chamber (31), combustion chamber (33) and burning chamber (37) respectively by a blast pipe (22), secondary wind inleting tube (25), three blast pipes (28), force air distribution to gas generating chamber (31), combustion chamber (33) and burning chamber (37)
Water leg (34) between water leg (10) in c, the convection heat-exchange chamber (13) and gas generating chamber (31), combustion chamber (33), burning chamber (37) and the shell (38) goes out pipe (18) by water connecting leg (8) and steam water interface and connects mutually.
2. environment-friendly type reverse-burning gas boiler according to claim 1, it is characterized in that: at malleation multiple spot blowing system, (23) in, gas generating chamber, (31) be provided with blast pipe one time, (22), this pipe directly feeds in the coal store or extend into one 90 ° of elbows of the heart channel of Hang-Shaoyin in the coal store, (47) be bent downwardly, at this elbow end one toroidal airduct is arranged, (46), this toroidal airduct, spinning disk is housed (46), (48), at a blast pipe, the control air valve is installed (22), (24), by the control air valve, (24) air distribution amount of control
Combustion chamber (33) is provided with secondary wind inleting tube (25), this airduct is that an angle is 116 ° of sector wind bands (43) after entering the combustion chamber, on this wind band every certain angle radially and to wind hole (41) that water-cooled grate (36) tilts, this sector wind band (43) is positioned at a side of combustion chamber (33), or be symmetrical in both sides branch, sector wind band (43) periphery has flame retardant coating (42), control air valve (26) is installed on secondary wind inleting tube (25), by control air valve (26) control secondary air distribution amount, in secondary wind inleting tube (25) the place ahead auxiliary steam pipe (45) is arranged, auxiliary steam pipe (45) is connected by secondary wind inleting tube (25) and combustion chamber (33), dispensing steam in combustion chamber (33)
Three blast pipes (28) are identical with the secondary air tubular construction, its position is in burning chamber, and its sector wind band (44) only is distributed in air intake one side, and outer nothing has flame retardant coating coated, go up installation control air valve (27) at three blast pipes (28), by three air distribution amounts of control air valve (27) control.
3. environment-friendly type reverse-burning gas boiler according to claim 1, it is characterized in that: convection heat-exchange chamber (13) is " one " word arrangement with combustion system, convection heat-exchange chamber (13) is provided with the first baffling chamber (3), the first baffling fire tube (19), the second baffling chamber (15), the second baffling fire tube (14) and flue gas collecting chamber (5), and on the second baffling chamber, be provided with shoot door (16), the first baffling fire tube (19) is connected the first baffling chamber (3) and the second baffling chamber (15) by last lower perforated plate (17), the second baffling fire tube (14) is connected the second baffling chamber (15) and flue gas collecting chamber (5) by last lower perforated plate (17) equally, the last lower perforated plate (17) and the first baffling fire tube (19), be water leg (10) between the second baffling fire tube (14), between the first baffling chamber (3) and flue gas collecting chamber (5) brick baffle (4) is arranged, have exhaust gases passes (2) between the burning chamber (37) and the first baffling chamber (3).
4. environment-friendly type reverse-burning gas boiler according to claim 3, it is characterized in that: go up by smoke exhaust pipe (7) at flue gas collecting chamber (5) and be communicated with the air inducing wet desulfurizing dust-collector (6) that declines, air inducing declines and is equipped with air blast (9) on the wet desulfurizing dust-collector (6), and links to each other with chimney (11).
5. environment-friendly type reverse-burning gas boiler according to claim 1 is characterized in that: water leg (34) exit in boiler body (1) is equipped with water separator (30).
6. environment-friendly type reverse-burning gas boiler according to claim 1 is characterized in that: inwall is covered with flame retardant coating (40) in burning chamber (37).
7. environment-friendly type reverse-burning gas boiler according to claim 1 is characterized in that: the whole cooker furnace body has packing heat-insulation layer (49) outward, and the whole cooker furnace body is " L " type.
8. environment-friendly type reverse-burning gas boiler according to claim 1 is characterized in that: automatic loading water system, the automatically controlled case of micro computer also are installed on boiler body (1).
9. environment-friendly type reverse-burning gas boiler according to claim 3 is characterized in that: the first baffling chamber (3), the second baffling chamber (15), flue gas collecting chamber (5), remove last lower perforated plate (17) face and all be covered with flame retardant coating (12).
10. environment-friendly type counter-burning type coal gasification boiler according to claim 3 is characterized in that: be provided with smoke wall between the burning chamber (37) and the first baffling chamber (3), have the exhaust gases passes (2) of elliptical aperture on smoke wall.
CNU2007200892432U 2007-01-23 2007-01-23 Environment protection type back-firing coal gasification boiler CN201014725Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915413A (en) * 2010-09-25 2010-12-15 山西新聚星锅炉有限公司 Multi-hearth full-anti-burning coal gasification boiler
CN101922739A (en) * 2010-09-25 2010-12-22 山西新聚星锅炉有限公司 Double-furnace counter heating coal-fired coal gasification boiler
CN101922700A (en) * 2010-09-25 2010-12-22 山西新聚星锅炉有限公司 Horizontal coal-fired coal gasification boiler
CN102121693A (en) * 2011-03-30 2011-07-13 刘奉国 Dioxygen coal gasifying vortex type burning smokeless boiler
CN102927558A (en) * 2012-11-12 2013-02-13 青岛艳阳天环保锅炉有限公司 Coal-fired full-automatic gasification combustion boiler
CN103471137A (en) * 2013-09-06 2013-12-25 梁可竹 Multiple-return-stroke reverse combustion heating boiler
CN106871147A (en) * 2017-02-28 2017-06-20 泰州金泰环保热电有限公司 A kind of coal-burning boiler with smoke eliminator
CN106895432A (en) * 2017-02-28 2017-06-27 泰州金泰环保热电有限公司 A kind of improved environmental protection coal-fired boiler
CN106895391A (en) * 2017-02-28 2017-06-27 泰州金泰环保热电有限公司 A kind of environmental protection high efficiency and energy-saving coal-burning boiler
CN106907704A (en) * 2017-02-28 2017-06-30 泰州金泰环保热电有限公司 A kind of environmental protection coal-fired boiler

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915413A (en) * 2010-09-25 2010-12-15 山西新聚星锅炉有限公司 Multi-hearth full-anti-burning coal gasification boiler
CN101922739A (en) * 2010-09-25 2010-12-22 山西新聚星锅炉有限公司 Double-furnace counter heating coal-fired coal gasification boiler
CN101922700A (en) * 2010-09-25 2010-12-22 山西新聚星锅炉有限公司 Horizontal coal-fired coal gasification boiler
CN102121693A (en) * 2011-03-30 2011-07-13 刘奉国 Dioxygen coal gasifying vortex type burning smokeless boiler
CN102121693B (en) * 2011-03-30 2012-12-05 刘奉国 Dioxygen coal gasifying vortex type burning smokeless boiler
CN102927558A (en) * 2012-11-12 2013-02-13 青岛艳阳天环保锅炉有限公司 Coal-fired full-automatic gasification combustion boiler
CN103471137A (en) * 2013-09-06 2013-12-25 梁可竹 Multiple-return-stroke reverse combustion heating boiler
CN106871147A (en) * 2017-02-28 2017-06-20 泰州金泰环保热电有限公司 A kind of coal-burning boiler with smoke eliminator
CN106895432A (en) * 2017-02-28 2017-06-27 泰州金泰环保热电有限公司 A kind of improved environmental protection coal-fired boiler
CN106895391A (en) * 2017-02-28 2017-06-27 泰州金泰环保热电有限公司 A kind of environmental protection high efficiency and energy-saving coal-burning boiler
CN106907704A (en) * 2017-02-28 2017-06-30 泰州金泰环保热电有限公司 A kind of environmental protection coal-fired boiler

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Granted publication date: 20080130

Termination date: 20140123