CN218409945U

CN218409945U - Combustion waste heat utilization device of combustion furnace

Info

Publication number: CN218409945U
Application number: CN202222055643.9U
Authority: CN
Inventors: 杜兴阳
Original assignee: Fuyang Energy Chemical Engineering Co ltd
Current assignee: Fuyang Energy Chemical Engineering Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-31
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a solid useless rubbish fires burning furnace technical field, especially relates to fire burning furnace burning waste heat utilization equipment, fire burning furnace including useless solid, useless solid fires burning furnace top left side and fires burning furnace through connecting the flue and be connected with waste gas and link up, waste gas fires burning furnace top and is connected with exhaust-heat boiler through the combustor pipeline and link up. The utility model discloses a solid material burns burning furnace inside at the waste solid and carries out the postcombustion, produced high temperature flue gas flows into the high temperature moisture that waste gas burnt burning furnace inside production after the mixing of whirlwind section of thick bamboo and goes the multiple waste gas in the heating point burning exhaust gas burning furnace, thereby the combustion efficiency of waste gas has been promoted, high temperature flue gas gets into the produced steam of exhaust-heat boiler unit equipment and sends into steam pipe network and workshop section or steam turbine unit electricity generation usefulness again simultaneously, thereby reach waste heat recovery and utilize's effect, chemical production waste gas has been solved, the difficult problem of waste residue waste ash comprehensive control pollution, in addition make full use of the "three wastes" of coal industry, energy saving.

Description

Combustion waste heat utilization device of combustion furnace

Technical Field

The utility model relates to a solid useless rubbish fires burning furnace technical field, especially relates to fire burning furnace burning waste heat utilization equipment.

Background

The existing various combustible waste solids (slag, furnace ash, municipal refuse or straw and other solid wastes) are mixed with a circulating fluidized bed boiler for combustion, and combustible waste gas is mixed with high-calorific-value gas and enters an industrial gas furnace for combustion.

The unit with combustible solid waste and combustible waste gas needs two sets of devices, the treatment process is complex, the operation control difficulty is large, the cost is high, the combustible solid waste and the combustible waste gas are put into a mixed combustion furnace for combustion by the three-waste combustion furnace, the investment is large, the operation control flexibility is poor, the combustible solid waste combustion and the combustible waste gas combustion cannot independently operate, and the waste heat during combustion cannot be well utilized. Therefore, a combustion waste heat utilization device of the combustion furnace is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the problem proposed in the above background art.

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

combustion waste heat utilization device of combustion furnace, including useless solid combustion furnace, useless solid combustion furnace top left side is fired through connecting the flue and is fired the furnace with waste gas and be connected through, waste gas fires the furnace top and is connected through with exhaust-heat boiler through the combustor pipeline, the exhaust-heat boiler bottom is provided with the whirlwind section of thick bamboo, the whirlwind section of thick bamboo is including going out the tuber pipe, it is connected through with the barrel to go out tuber pipe bottom, barrel left side top is provided with the air intake, the barrel right side is fired the furnace with waste gas through the breather pipe and is connected through, the barrel bottom is connected fixedly through butt joint spare with the ash collecting part, butt joint spare includes the ash pipe, the barrel bottom is inserted and is equipped with the ash pipe, the ash collecting part includes the ash box, the ash box top is connected fixedly with the ash pipe.

Preferably, the ash pipe comprises sealed end and linking end, the sealed end outside of ash pipe is inlayed through the annular and is equipped with two rubber circles, the rubber circle is contradicted at barrel bottom opening inner wall, through the design of two rubber circles to with the gap filling of ash pipe and barrel inner wall, improved sealed effect.

Preferably, the barrel has two limiting plates with the symmetrical parcel in the ash pipe outside, the limiting plate outside is connected with the push pedal, just the push pedal right side inlays to be established inside the fixing base, inside transversely inserting of fixing base is equipped with the screw thread axle, just the screw thread axle left side runs through the push pedal through the screw hole and rotates after installing at the fixing base inner wall. Can wrap up barrel and ash pipe through the limiting plate, avoid the barrel to rock at work.

Preferably, the push pedal comprises straight board end and slip end, the vertical section of push pedal is T shape structure, the push pedal inlays through the spout and establishes at the fixing base inner wall, the fixing base symmetric connection is at grey box top avris, and the spout through the fixing base is spacing to the slip end of push pedal, has guaranteed the stationarity of push pedal in the removal.

Preferably, the limiting plate inner wall is provided with two arc slats, two the arc slat passes through the annular and inlays respectively to be established in the barrel and the ash pipe outside, and the arc slat through the limiting plate inner wall carries on spacingly to barrel and ash pipe, has guaranteed the stability of the vertical butt joint of barrel and ash pipe.

Preferably, the ash box is internally and longitudinally inserted with an ash collecting drawer, the ash collecting drawer is internally embedded with a filter partition plate through an inner groove, fine ash separated from the barrel is treated through the ash collecting drawer, and the ash particles are conveniently and centrally treated by workers.

Preferably, the ash collecting drawer is openly transversely seted up and has been run through the groove, and runs through the inslot interpolation and be equipped with the driving lever, the other one end of driving lever inlays through the spacing groove and establishes at ash collecting drawer inner wall, the driving lever right side is connected with the cloth net, just the cloth net right side is connected at ash collecting drawer inner wall, covers the inside cigarette ash residue of ash collecting drawer through the cloth net, can effectively reduce the ash collecting drawer and cause the probability that cigarette ash drifted away because of the shake when taking out, and the convenience is with fine ash recycle.

The utility model discloses possess following beneficial effect at least:

1. through setting up exhaust-heat boiler and whirlwind section of thick bamboo, realize waste heat utilization, compare in traditional structure, this device carries out the postcombustion through solid material in the solid combustion furnace inside of giving up waste, produced high temperature waste heat flue gas and the gas that whirlwind section of thick bamboo got into flow into waste gas again after exhaust-heat boiler's mixture and fire inside the burning furnace, go the heating and ignite the inside various waste gases of waste gas burning furnace, improve the burning rate of waste gas, thereby reach the effect of the recycle of waste heat, gas making waste gas, the waste residue, the difficult problem of waste ash comprehensive control, in addition make full use of "three wastes" of coal industry, energy saving.

2. Through setting up collection ash spare, prevent the effect of wafing when realizing the dust and handling, this device is through stirring the driving lever to expand the cloth net, cover the inside cigarette ash residue of collection ash steamer tray through the cloth net, can effectively reduce the probability that the collection ash steamer tray caused cigarette ash to waft because of the shake when taking out, conveniently with fine ash recycle, protected the environment, administered the scene.

3. Through setting up the butt joint piece, realize the butt joint steadiness between barrel and the ash pipe, this device is inserted through ash pipe top and is established in the barrel bottom, and the rubber circle is contradicted at barrel opening inner wall, improves sealed effect, and two mutual centre gripping of limiting plate wrap up the barrel and the ash pipe outside simultaneously to fix the ash pipe, avoid the ash pipe to drop

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic view of an external structure of a combustion waste heat utilization device of a combustion furnace according to the present invention;

fig. 2 is a schematic perspective view of a connection structure of a cylinder and an ash collecting member in the combustion waste heat utilization device of the combustion furnace provided by the utility model;

fig. 3 is a schematic three-dimensional explosion and crack diagram of the internal structure of the ash collecting member in the combustion waste heat utilization device of the combustion furnace;

fig. 4 is a schematic view of the three-dimensional burst of the internal structure of the butt joint piece in the combustion waste heat utilization device of the combustion furnace.

In the figure: 1. a spent solids combustion furnace; 2. connecting a flue; 3. a waste gas burner; 4. a burner tube; 5. a waste heat boiler; 6. a cyclone; 61. a cylinder body; 62. a breather pipe; 63. an air outlet pipe; 64. an air inlet; 7. a docking member; 71. an ash discharging pipe; 72. a rubber ring; 73. a fixed seat; 74. pushing a plate; 75. a limiting plate; 76. a threaded shaft; 8. collecting ash; 81. ash boxes; 82. A filter separator plate; 83. a deflector rod; 84. a dust collection drawer; 85. and (7) laying a net.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, the combustion waste heat utilization device of the combustion furnace comprises a waste solid combustion furnace 1, wherein the left side of the top end of the waste solid combustion furnace 1 is connected and communicated with a waste gas combustion furnace 3 through a connecting flue 2, the top end of the waste gas combustion furnace 3 is connected and communicated with a waste heat boiler 5 through a combustor pipeline 4, the bottom end of the waste heat boiler 5 is provided with a cyclone cylinder 6, the cyclone cylinder 6 comprises an air outlet pipe 63, the bottom end of the air outlet pipe 63 is connected and communicated with a cylinder 61, the top end of the left side of the cylinder 61 is provided with an air inlet 64, the right side of the cylinder 61 is connected and communicated with the waste gas combustion furnace 3 through a vent pipe 62, the bottom end of the cylinder 61 is connected and fixed with a dust collecting part 8 through a butt joint part 7, the butt part 7 comprises a dust outlet pipe 71, the bottom end of the cylinder 61 is inserted and provided with a dust outlet pipe 71, the dust collecting part 8 comprises a dust box 81, and the top end of the dust box 81 is connected and fixed with the dust outlet pipe 71.

The ash discharging pipe 71 is composed of a sealing end and a connecting end, two rubber rings 72 are embedded in the outer side of the sealing end of the ash discharging pipe 71 through annular grooves, and the rubber rings 72 abut against the inner wall of the opening in the bottom end of the cylinder 61.

Two limiting plates 75 are symmetrically wrapped on the outer sides of the barrel body 61 and the ash discharge pipe 71, a push plate 74 is connected to the outer side of each limiting plate 75, the right side of each push plate 74 is embedded in the corresponding fixing seat 73, a threaded shaft 76 is transversely inserted into the corresponding fixing seat 73, and the left side of the threaded shaft 76 penetrates through the push plates 74 through threaded holes and then is rotatably installed on the inner wall of the corresponding fixing seat 73.

The push plate 74 consists of a straight plate end and a sliding end, the vertical section of the push plate 74 is of a T-shaped structure, the push plate 74 is embedded in the inner wall of the fixed seat 73 through a sliding groove, and the fixed seat 73 is symmetrically connected to the side of the top end of the ash box 81.

The inner wall of the limit plate 75 is provided with two arc-shaped strips, and the two arc-shaped strips are respectively embedded outside the cylinder 61 and the ash discharge pipe 71 through ring grooves.

A dust collection drawer 84 is longitudinally inserted into the dust box 81, and a filter partition plate 82 is embedded into the dust collection drawer 84 through an inner groove.

The ash collection drawer 84 is transversely provided with a through groove in the front, a deflector rod 83 is inserted into the through groove, the other end of the deflector rod 83 is embedded in the inner wall of the ash collection drawer 84 through a limiting groove, the right side of the deflector rod 83 is connected with a cloth net 85, and the right side of the cloth net 85 is connected to the inner wall of the ash collection drawer 84.

Through the design of the two rubber rings 72, the gap between the ash discharging pipe 71 and the inner wall of the cylinder 61 is filled, the sealing effect is improved, the centrifugal fine ash in the cylinder 61 is prevented from leaking, the threaded shaft 76 rotates, the push plate 74 can move on the threaded shaft 76 to push the limit plate 75 to move, the limit plate 75 can wrap the cylinder 61 and the ash discharging pipe 71, the cylinder 61 is prevented from shaking in work, the sliding end of the push plate 74 is limited through the sliding groove of the fixed seat 73, the stability of the push plate 74 in movement is ensured, the deviation of the push plate 74 in movement is prevented from influencing the constraint effect of the limit plate 75 on the outer sides of the cylinder 61 and the ash discharging pipe 71, the cylinder 61 and the ash discharging pipe 71 are limited through the arc-shaped strip plates on the inner wall of the limit plate 75, guaranteed the stability of barrel 61 with ash pipe 71 butt joint, avoid barrel 61 to separate with ash pipe 71 easily in lifting, stability when influencing barrel 61 and ash pipe 71 butt joint, the fine ash of barrel 61 separation is handled through ash collection steamer tray 84, make things convenient for the staff to carry out centralized processing to the cigarette ash granule, and simultaneously, can handle big or small cigarette ash granule layering through straining baffle 82, stir through driving lever 83, thereby launch cloth 85, cover the inside cigarette ash residue of ash collection steamer tray 84 through cloth 85, can effectively reduce the probability that cigarette ash drifted away because of the shake causes when ash collection steamer tray 84 takes out, the convenience is with fine ash recycle, set up the rubber strip and seal running through the groove at ash collection steamer tray 84's the inslot portion that runs through, reduce the probability of raise dust.

The working principle is as follows: according to the attached drawing 1, solid waste garbage in a waste solid combustion furnace 1 is combusted at about 1000 ℃, mixed flue gas ascends to the middle of the waste solid combustion furnace 1 for circulating fluidized separation, high-temperature flue gas enters a waste gas combustion furnace 3 through a connecting flue 2 in a tangent line, the combusted flue gas enters a cylinder 61 through a vent pipe 62, fine ash carried by the cylinder 61 in a cyclone separation mode is separated, low-calorific-value waste gas and high-calorific-value waste gas are respectively sent to the top of the waste gas combustion furnace 3 through a low-calorific-value waste gas burner and a high-calorific-value waste gas burner in a burner pipeline 4, the low-calorific-value waste gas and the high-calorific-value waste gas are mixed with the high-temperature flue gas from about 1000C in the waste solid combustion furnace 1 and are ignited and fully combusted, the high-temperature flue gas leaves the waste gas combustion furnace 3 to enter a waste heat boiler 5 to exchange with desalted water from a desalination water pipe network, steam is generated to enter a steam pipe network for production, life or for steam turbine to generate electricity, according to the attached drawings 2 and 3, the fine ash separated from the cylinder 61 falls into an ash collecting box 81 along an ash discharging pipe 71 and is received by an ash collecting drawer 84, and when the ash collecting drawer 84 needs to be discharged, a deflector rod 83 is pulled out, the ash collecting drawer 85 is pulled out, and then the inner part of the ash collecting drawer 84 is unfolded, and then covered by the ash collecting drawer 84;

when the ash box 81 needs to be disassembled, as shown in the attached drawing 4, the threaded shaft 76 is rotated, the push plate 74 is driven to move in the rotation of the threaded shaft 76, the limit plate 75 is driven to move in the movement of the push plate 74, the limit plate 75 drives the arc-shaped lath to be separated from the outer sides of the ash discharge pipe 71 and the cylinder 61, and after the bolts at the two ends of the combustor pipeline 4 are disassembled, the cylinder 61 can be lifted up, then the cylinder 61 is moved up, then the cylinder 61 is separated from the outer side of the ash discharge pipe 71, and the disassembly is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The combustion waste heat utilization device of the combustion furnace comprises a waste solid combustion furnace (1), and is characterized in that the left side of the top end of the waste solid combustion furnace (1) is connected with a waste gas combustion furnace (3) through a connecting flue (2) and is communicated with the waste gas combustion furnace (3), the top end of the waste gas combustion furnace (3) is connected with a waste heat boiler (5) through a combustor pipeline (4) and is communicated with the waste heat boiler (5), the bottom end of the waste heat boiler (5) is provided with a cyclone cylinder (6), the cyclone cylinder (6) comprises an air outlet pipe (63), the bottom end of the air outlet pipe (63) is connected with a cylinder body (61) and is communicated with the cylinder body (61), the top end of the left side of the cylinder body (61) is provided with an air inlet (64), the right side of the cylinder body (61) is connected with the waste gas combustion furnace (3) through a vent pipe (62) and is communicated with the waste gas combustion furnace, the bottom end of the cylinder body (61) is fixedly connected with an ash collecting piece (8) through a butt joint piece (7), the butt joint piece (7) comprises an ash outlet pipe (71), the ash collecting piece (8) and the top end of the ash box (81) is fixedly connected with the ash outlet pipe (71).

2. The combustion waste heat utilization device of the combustion furnace as claimed in claim 1, wherein the ash discharge pipe (71) is composed of a sealing end and a connecting end, two rubber rings (72) are embedded in the outer side of the sealing end of the ash discharge pipe (71) through a ring groove, and the rubber rings (72) abut against the inner wall of the opening at the bottom end of the cylinder body (61).

3. The combustion furnace combustion waste heat utilization device as claimed in claim 2, wherein the outer sides of the barrel (61) and the ash discharge pipe (71) are symmetrically wrapped with two limiting plates (75), the outer sides of the limiting plates (75) are connected with a push plate (74), the right side of the push plate (74) is embedded in a fixed seat (73), a threaded shaft (76) is transversely inserted in the fixed seat (73), and the left side of the threaded shaft (76) penetrates through the push plate (74) through a threaded hole and then is rotatably installed on the inner wall of the fixed seat (73).

4. The combustion furnace combustion waste heat utilization device as claimed in claim 3, characterized in that the push plate (74) consists of a straight plate end and a sliding end, the vertical section of the push plate (74) is in a T-shaped structure, the push plate (74) is embedded in the inner wall of the fixed seat (73) through a sliding groove, and the fixed seat (73) is symmetrically connected to the side of the top end of the ash box (81).

5. The combustion waste heat utilization device of the combustion furnace as claimed in claim 3, wherein the inner wall of the limit plate (75) is provided with two arc-shaped strips, and the two arc-shaped strips are respectively embedded outside the barrel body (61) and the ash discharge pipe (71) through ring grooves.

6. A combustion waste heat utilization device of a combustion furnace as claimed in claim 4, characterized in that a dust collection drawer (84) is longitudinally inserted into the ash box (81), and a filter partition plate (82) is embedded into the dust collection drawer (84) through an inner groove.

7. The combustion furnace combustion waste heat utilization device as claimed in claim 6, wherein a through groove is transversely formed in the front face of the ash collection drawer (84), a shift lever (83) is inserted into the through groove, the other end of the shift lever (83) is embedded in the inner wall of the ash collection drawer (84) through a limiting groove, a cloth net (85) is connected to the right side of the shift lever (83), and the right side of the cloth net (85) is connected to the inner wall of the ash collection drawer (84).