CN211176838U

CN211176838U - Heat accumulating type combustion system for online ash removal

Info

Publication number: CN211176838U
Application number: CN201920991739.1U
Authority: CN
Inventors: 李萌萌
Original assignee: Maanshan Lanxin Environmental Protection Technology Co ltd
Current assignee: Maanshan Lanxin Environmental Protection Technology Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-08-04
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a heat accumulation formula combustion technology field, and disclose heat accumulation formula combustion system of online deashing, including the combustion chamber, the last fixed surface of combustion chamber is connected with the heating furnace, the both ends lateral wall of combustion chamber all fixes the intercommunication and has the connecting pipe, the bottom of connecting pipe all fixes the intercommunication and has the regenerator, the bottom outer wall screw thread of regenerator has cup jointed the bottom, the bottom of two bottoms is fixed the intercommunication respectively has first pipe and second pipe, the bottom of first pipe and second pipe is fixed the intercommunication jointly and has the switching-over valve, the intercommunication is fixed respectively to two other interfaces of switching-over valve has third pipe and fourth pipe, the bottom mounting intercommunication of first pipe has purification mechanism. The utility model discloses can effectively avoid the dust to influence the heat conduction efficiency of heat accumulation ball and heating furnace bottom, improve the heat utilization rate of combustion chamber, and reduce fuel consumption, and then reduce combustion system's combustion cost, also can effectively improve heat accumulation formula combustion system's feature of environmental protection ability.

Description

Heat accumulating type combustion system for online ash removal

Technical Field

The utility model relates to a heat accumulation formula combustion technology field especially relates to heat accumulation formula combustion system of online deashing.

Background

The regenerative combustion technology is a technology of combustion under the condition of high temperature and low oxygen. The heat accumulating type combustion technology fundamentally improves the energy utilization rate of the heating furnace, particularly reasonably utilizes low-heat value fuel (such as blast furnace gas), reduces the emission of pollutants (blast furnace gas), saves energy, becomes an advanced technology meeting the current resource and environmental requirements, and strengthens the furnace gas circulation in the heating furnace by adopting the heat accumulating type combustion technology, thereby homogenizing the temperature field of the furnace, improving the heating quality and having obvious effect.

At present, in a heat storage combustion system, fuel ash generated in the combustion process of fuel is attached to the bottom of a heating furnace and a heat storage ball in a heat storage chamber, when the thickness of the ash reaches a certain thickness, heat conduction in the heat storage combustion system is seriously influenced, the heat utilization efficiency is reduced, the fuel consumption is increased, and the combustion cost of the combustion system is further increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art fuel ash that fuel produced in the combustion process and attaching to the heating furnace bottom to and on the heat accumulation ball in the regenerator, when the thickness of ash reaches certain thickness, seriously influence the heat conduction among the heat accumulation combustion system, cause heat utilization efficiency to reduce, fuel consumes the increase, and then increases combustion system combustion cost's problem, and the heat accumulation combustion system of the online deashing that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the heat accumulating type combustion system for online ash removal comprises a combustion chamber, wherein a heating furnace is fixedly connected to the upper surface of the combustion chamber, connecting pipes are fixedly communicated with the side walls of the two ends of the combustion chamber, the bottom end of each connecting pipe is fixedly communicated with the corresponding heat accumulation chamber, a bottom cover is sleeved on the outer wall of the bottom end of each heat accumulation chamber in a threaded mode, the bottom end of each bottom cover is fixedly communicated with a first conduit and a second conduit respectively, the bottom ends of the first conduit and the second conduit are fixedly communicated with a reversing valve, the other two interfaces of the reversing valve are fixedly communicated with a third conduit and a fourth conduit respectively, the bottom end of the first conduit is fixedly communicated with a purification mechanism, the connecting pipes are fixedly connected with an oil supply mechanism, the connecting pipes are two, the inner walls of the connecting pipes are movably connected with a first ash removal mechanism, and the bottom end of.

Preferably, the oil supply mechanism comprises an oil supply pipe fixedly communicated with the outer wall of the connecting pipe, the bottom end of the oil supply pipe is fixedly communicated with a combustion head, the top end of the oil supply pipe is fixedly communicated with a valve, and the valve is fixedly communicated with the oil pipe.

Preferably, the first ash removing mechanism comprises a filter screen cage movably connected with the inner wall of the connecting pipe, an arc-shaped block is fixedly connected with the side wall of the filter screen cage, an arc-shaped through hole matched with the arc-shaped block is formed in the side wall of the connecting pipe, and a fixing mechanism is fixedly connected with the outer wall of the arc-shaped block and the outer wall of the connecting pipe together.

Preferably, the fixing mechanism comprises a supporting block fixedly connected with the outer wall of the arc-shaped block, telescopic rods are fixedly connected to the upper surface and the lower surface of the supporting block, a pulling block is fixedly adjusted on the rod wall of each telescopic rod, a fixing block is movably sleeved at one end, far away from the supporting block, of each telescopic rod, the side wall of each fixing block is fixedly connected with the outer wall of the corresponding connecting pipe, a spring is movably sleeved on the rod wall of each telescopic rod, and the two ends of each spring are fixedly connected with the lower surface of the corresponding pulling block and the outer wall of the corresponding supporting block.

Preferably, the second ash removal mechanism comprises an ash collection box in threaded connection with the bottom of the combustion chamber, a threaded hole matched with the ash collection box is formed in the lower surface of the combustion chamber, a through hole is formed in the lower surface of the ash collection box, a sealing bearing is fixedly connected to the wall of the through hole, a threaded cylinder is fixedly connected to the inner wall of the sealing bearing, a threaded rod is in threaded connection with the inner wall of the threaded cylinder, a fixed disc is fixedly connected to the top end of the threaded rod, a steel wire brush is fixedly connected to the upper surface of the fixed disc, a rotating block is fixedly connected to the bottom end of the threaded rod, two connecting holes which are symmetrically distributed are formed in the outer wall of the threaded cylinder, a plurality of inserting holes are formed in the wall of the threaded rod, bolts are movably connected to the wall of the.

Preferably, the purification mechanism includes the water tank with fourth pipe bottom mounting intercommunication, the last fixed surface of water tank is connected with the blast pipe, the bottom lateral wall fixedly connected with blowdown valve of water tank.

Preferably, the outer walls of the two regenerators are fixedly connected with limiting blocks, and the side walls of the limiting blocks are fixedly connected with the outer wall of the combustion chamber.

Preferably, the lower surface of the rotating block is provided with a polygonal groove.

Preferably, the heat storage chamber is filled with a plurality of heat storage balls.

Compared with the prior art, the utility model provides a heat accumulation formula combustion system of online deashing possesses following beneficial effect:

1. the heat accumulating type combustion system for online ash removal is provided with a filter screen cage, a fixed disc, a steel wire brush and a rotating block, when the heat accumulating type combustion system works, fuel is burnt in a combustion chamber, smoke enters the heat accumulating chamber through a connecting pipe, heat is absorbed by a heat accumulating ball, meanwhile, smoke dust in the smoke is filtered by the filter screen cage in a double-layer mode, clean waste gas enters the heat accumulating chamber, dust in the smoke is prevented from attaching to the surface of the heat accumulating ball, the heat conduction efficiency of the heat accumulating ball is guaranteed, in addition, when the dust in the filter screen cage is more in influence on smoke emission, the pulling block is pulled to drive a telescopic rod to contract, the telescopic rod is separated from the fixed block, then the arc-shaped block and the filter screen cage are drawn out, the filter screen cage is cleaned and reused, and in addition, the steel wire brush is enabled to be contacted with the bottom of a heating furnace by adjusting the, carry out spacing fixed through bolt and nut simultaneously, later insert in the polygon recess of turning block through electric tool, make it rotate, and then make the fixed disk rotate, make the steel brush scrape brush heating furnace bottom dust, and the dust drops in the ash collecting box, and this mechanism can effectively avoid the dust to influence the heat conduction efficiency of heat accumulation ball and heating furnace bottom, has improved the heat utilization ratio of combustion chamber, and reduces fuel consumption, and then has reduced combustion system's combustion cost.

2. This heat accumulation formula combustion system of online deashing through being provided with water tank and blast pipe, when the flue gas from the fourth pipe discharge, makes the flue gas enter into the water tank to dissolve the back through the water in the water tank, clean air is discharged from the blast pipe, avoids the particulate matter to have the environmental protection performance who pollutes all ring edge borders, and this structure can effectively improve heat accumulation formula combustion system.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectively avoid the dust to influence the heat conduction efficiency of heat accumulation ball and heating furnace bottom, improve the heat utilization ratio of combustion chamber, and reduce fuel consumption, and then reduce combustion system's combustion cost, also can effectively improve heat accumulation formula combustion system's feature of environmental protection.

Drawings

FIG. 1 is a schematic structural view of a regenerative combustion system for on-line ash removal according to the present invention;

FIG. 2 is a schematic structural view of a portion A of the on-line ash removal heat accumulating type combustion system provided by the present invention;

FIG. 3 is a schematic structural view of a part B of the on-line ash-removing heat accumulating type combustion system provided by the present invention;

fig. 4 is a schematic structural view of a rotary block in the heat accumulating type combustion system for online ash removal of the present invention.

In the figure: 1 combustion chamber, 2 heating furnace, 3 connecting pipe, 4 heat storage chamber, 5 bottom cover, 6 purification mechanism, 61 water tank, 62 exhaust pipe, 7 oil supply mechanism, 71 oil supply pipe, 72 combustion head, 73 valve, 8 first dust cleaning mechanism, 81 filter screen cage, 82 arc block, 9 second dust cleaning mechanism, 91 dust collecting box, 92 sealing bearing, 93 screw tube, 94 threaded rod, 95 fixing disk, 96 steel wire brush, 97 rotating block, 98 bolt, 99 nut, 10 first conduit, 11 second conduit, 12 reversing valve, 13 third conduit, 14 fourth conduit, 15 fixing mechanism, 151 support block, 152 telescopic rod, 153 pulling block, 154 fixing block, 155 spring, 16 limiting block, 17 polygon groove and 18 heat storage ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a heat accumulating type combustion system for online ash removal comprises a combustion chamber 1, a heating furnace 2 is fixedly connected to the upper surface of the combustion chamber 1, connecting pipes 3 are fixedly communicated with the side walls of two ends of the combustion chamber 1, a regenerator 4 is fixedly communicated with the bottom ends of the connecting pipes 3, a bottom cover 5 is sleeved on the outer wall of the bottom end of the regenerator 4 in a threaded manner, the bottom ends of the two bottom covers 5 are respectively fixedly communicated with a first conduit 10 and a second conduit 11, the bottom ends of the first conduit 10 and the second conduit 11 are jointly fixedly communicated with a reversing valve 12, the other two interfaces of the reversing valve 12 are respectively fixedly communicated with a third conduit 13 and a fourth conduit 14, the bottom end of the first conduit 10 is fixedly communicated with a purification mechanism 6, oil supply mechanisms 7 are fixedly connected in the two connecting pipes 3, the inner walls of the two connecting pipes 3 are movably connected with a first ash removal mechanism 8, and the bottom end.

The oil supply mechanism 7 comprises an oil supply pipe 71 fixedly communicated with the outer wall of the connecting pipe 3, a combustion head 72 is fixedly communicated with the bottom end of the oil supply pipe 71, a valve 73 is fixedly communicated with the top end of the oil supply pipe 71, and the valve 73 is fixedly communicated with an oil pipe.

First deashing mechanism 8 includes the filter screen cage 81 with connecting pipe 3 inner wall swing joint, the lateral wall fixedly connected with arc piece 82 of filter screen cage 81, the lateral wall of connecting pipe 3 seted up with arc piece 82 matched with arc through-hole, the common fixedly connected with fixed establishment 15 of the outer wall of arc piece 82 and connecting pipe 3, this mechanism can effectively avoid the dust to influence the heat conduction efficiency of heat accumulation ball 18, the heat utilization of combustion chamber 1 has been improved, and reduce fuel consumption, and then combustion system's combustion cost has been reduced.

Fixed establishment 15 includes the supporting shoe 151 with arc piece 82 outer wall fixed connection, the upper surface and the equal fixedly connected with telescopic link 152 of lower surface of supporting shoe 151, the pole wall of telescopic link 152 is fixed to be adjusted and is drawn piece 153, the one end activity that supporting shoe 151 was kept away from to telescopic link 152 has cup jointed fixed block 154, the lateral wall of fixed block 154 and the outer wall fixed connection of connecting pipe 3, the pole wall activity of telescopic link 152 has cup jointed spring 155, the both ends of spring 155 respectively with the lower surface that draws piece 153 and the outer wall fixed connection of supporting shoe 151.

The second ash removing mechanism 9 comprises an ash collecting box 91 in threaded connection with the bottom end of the combustion chamber 1, a threaded hole matched with the ash collecting box 91 is formed in the lower surface of the combustion chamber 1, a through hole is formed in the lower surface of the ash collecting box 91, a sealing bearing 92 is fixedly connected to the wall of the through hole, a threaded cylinder 93 is fixedly connected to the inner wall of the sealing bearing 92, a threaded rod 94 is in threaded connection with the inner wall of the threaded cylinder 93, a fixed disc 95 is fixedly connected to the top end of the threaded rod 94, a steel wire brush 96 is fixedly connected to the upper surface of the fixed disc 95, a rotating block 97 is fixedly connected to the bottom end of the threaded rod 94, two connecting holes which are symmetrically distributed are formed in the outer wall of the threaded cylinder 93, a plurality of jacks are formed in the rod wall of the threaded rod 94, bolts 98 are movably connected to the hole walls of the, the heat utilization rate of the combustion chamber 1 is improved, the fuel consumption is reduced, and the combustion cost of the combustion system is further reduced.

The purification mechanism 6 comprises a water tank 61 fixedly communicated with the bottom end of the fourth guide pipe 14, an exhaust pipe 62 is fixedly connected to the upper surface of the water tank 61, and a blow-down valve is fixedly connected to the side wall of the bottom end of the water tank 61.

The equal fixedly connected with stopper 16 of outer wall of two regenerators 4, the lateral wall of stopper 16 and the outer wall fixed connection of combustion chamber 1, stopper 16 can support regenerator 4.

The lower surface of the rotating block 97 is provided with a polygonal groove 17, and the polygonal groove 17 can increase the rotating stability of the rotating block 97.

The heat storage chamber 4 is filled with a plurality of heat storage balls 18, and the heat storage balls 18 can quickly absorb heat in the flue gas.

In the utility model, when the heat accumulating type combustion system works, after the fuel is combusted in the combustion chamber 1, the flue gas enters the heat accumulating chamber 4 through the connecting pipe 3, wherein the heat is absorbed by the heat accumulating ball 18, meanwhile, the flue gas dust in the flue gas is double-layer filtered by the filter net cage 81, then the clean waste gas enters the heat accumulating chamber 4, the dust in the flue gas is prevented from attaching to the surface of the heat accumulating ball 18, the heat conduction efficiency of the heat accumulating ball 18 is ensured, in addition, when the dust in the filter net cage 81 has more influence on the flue gas emission, the pull block 153 is pulled to drive the telescopic link 152 to shrink, the telescopic link 152 is separated from the fixed block 154, then the arc block 82 and the filter net cage 81 are drawn out, and the filter net cage 81 is cleaned and reused, in addition, through adjusting the position of the threaded rod 94 on the threaded cylinder 93, the steel wire brush 96 is contacted with the heating furnace bottom 2 part, meanwhile, the limit fixing, later insert in the polygon recess 17 of turning block 97 through electric tool, make it rotate, and then make fixed disk 95 rotate, make steel brush 96 scrape brush heating furnace 2 bottom dust, and the dust drops in ash collecting box 91, this mechanism can effectively avoid the dust to influence the heat conduction efficiency of heat accumulation ball 18 and heating furnace 2 bottom, the heat utilization ratio of combustion chamber 1 has been improved, and reduce fuel consumption, and then combustion cost of combustion system has been reduced, when the flue gas from fourth pipe 14 exhaust, make the flue gas enter into in the water tank 61, and dissolve the back through in the water tank 61, clean air is discharged from blast pipe 62, it has the all ring edge borders to avoid the particulate matter, this structure can effectively improve heat accumulation combustion system's feature of environmental protection.

Claims

1. The heat accumulating type combustion system for online ash removal comprises a combustion chamber (1) and is characterized in that a heating furnace (2) is fixedly connected to the upper surface of the combustion chamber (1), connecting pipes (3) are fixedly communicated with the side walls of two ends of the combustion chamber (1), a heat accumulating chamber (4) is fixedly communicated with the bottom end of each connecting pipe (3), a bottom cover (5) is sleeved on the outer wall of the bottom end of each heat accumulating chamber (4) in a threaded manner, the bottom ends of the two bottom covers (5) are respectively and fixedly communicated with a first conduit (10) and a second conduit (11), the bottom ends of the first conduit (10) and the second conduit (11) are jointly and fixedly communicated with a reversing valve (12), the other two interfaces of the reversing valve (12) are respectively and fixedly communicated with a third conduit (13) and a fourth conduit (14), and the bottom end of the first conduit (10) is fixedly communicated with a purification mechanism (6), two fixedly connected with fuel feeding mechanism (7) in connecting pipe (3), two the inner wall swing joint of connecting pipe (3) has first deashing mechanism (8), the bottom threaded connection of combustion chamber (1) has second deashing mechanism (9).

2. The regenerative combustion system for online ash removal according to claim 1, wherein the oil supply mechanism (7) comprises an oil supply pipe (71) fixedly communicated with the outer wall of the connection pipe (3), a combustion head (72) is fixedly communicated with the bottom end of the oil supply pipe (71), a valve (73) is fixedly communicated with the top end of the oil supply pipe (71), and the valve (73) is fixedly communicated with the oil pipe.

3. The on-line ash removal heat accumulating type combustion system as claimed in claim 1, wherein the first ash removal mechanism (8) comprises a filter screen cage (81) movably connected with the inner wall of the connecting pipe (3), an arc-shaped block (82) is fixedly connected to the side wall of the filter screen cage (81), an arc-shaped through hole matched with the arc-shaped block (82) is formed in the side wall of the connecting pipe (3), and a fixing mechanism (15) is fixedly connected to the outer wall of the arc-shaped block (82) and the outer wall of the connecting pipe (3) together.

4. The on-line ash removal heat accumulating type combustion system according to claim 3, wherein the fixing mechanism (15) comprises a supporting block (151) fixedly connected with the outer wall of the arc-shaped block (82), the upper surface and the lower surface of the supporting block (151) are both fixedly connected with an expansion link (152), a pulling block (153) is fixedly adjusted on the rod wall of the expansion link (152), a fixing block (154) is movably sleeved at one end, away from the supporting block (151), of the expansion link (152), the side wall of the fixing block (154) is fixedly connected with the outer wall of the connecting pipe (3), a spring (155) is movably sleeved on the rod wall of the expansion link (152), and two ends of the spring (155) are respectively fixedly connected with the lower surface of the pulling block (153) and the outer wall of the supporting block (151).

5. The on-line ash removal heat accumulating type combustion system of claim 1, wherein the second ash removal mechanism (9) comprises an ash collection box (91) in threaded connection with the bottom end of the combustion chamber (1), the lower surface of the combustion chamber (1) is provided with a threaded hole matched with the ash collection box (91), the lower surface of the ash collection box (91) is provided with a through hole, the hole wall of the through hole is fixedly connected with a sealing bearing (92), the inner wall of the sealing bearing (92) is fixedly connected with a threaded cylinder (93), the inner wall of the threaded cylinder (93) is in threaded connection with a threaded rod (94), the top end of the threaded rod (94) is fixedly connected with a fixed disk (95), the upper surface of the fixed disk (95) is fixedly connected with a steel wire brush (96), the bottom end of the threaded rod (94) is fixedly connected with a rotating block (97), the outer wall of the threaded cylinder (93) is provided with two connecting, the wall of the threaded rod (94) is provided with a plurality of insertion holes, the hole walls of the insertion holes of the connecting holes are movably connected with bolts (98) together, and the outer wall of each bolt (98) is in threaded connection with a nut (99).

6. The regenerative combustion system for online ash removal according to claim 1, wherein the purification mechanism (6) comprises a water tank (61) fixedly communicated with the bottom end of the fourth conduit (14), an exhaust pipe (62) is fixedly connected to the upper surface of the water tank (61), and a blowdown valve is fixedly connected to the side wall of the bottom end of the water tank (61).

7. The regenerative combustion system for online ash removal according to claim 1, wherein the outer walls of the two regenerative chambers (4) are fixedly connected with limit blocks (16), and the side walls of the limit blocks (16) are fixedly connected with the outer walls of the combustion chambers (1).

8. The regenerative combustion system for online ash removal of claim 5, wherein the lower surface of the rotating block (97) is provided with a polygonal groove (17).

9. The regenerative combustion system for online ash removal of claim 1, wherein the regenerator (4) is filled with a plurality of regenerative balls (18).