CN112577049A

CN112577049A - Pyrolysis gasification system for industrial garbage and sludge

Info

Publication number: CN112577049A
Application number: CN202011458899.3A
Authority: CN
Inventors: 宫喜
Original assignee: Hangzhou Huangjun Environmental Protection Technology Co Ltd
Current assignee: Hangzhou Huangjun Environmental Protection Technology Co Ltd
Priority date: 2020-12-13
Filing date: 2020-12-13
Publication date: 2021-03-30

Abstract

The invention discloses a pyrolysis gasification system for industrial garbage and sludge, which comprises: the device comprises a feeding device, a pyrolysis and gasification incinerator and a waste heat boiler, wherein the feeding device is slidably arranged at the top of the pyrolysis and gasification incinerator, a heat conducting pipe is fixedly communicated between the pyrolysis gasification incinerator and the waste heat boiler, a valve is fixedly arranged in the heat conducting pipe, the feeding device comprises a feeding hopper, an arc-shaped vertical plate and a driving assembly, the feeding hopper is slidably arranged on one side of the arc-shaped vertical plate, the arc-shaped vertical plate is fixedly arranged at the top of the pyrolysis gasification incinerator, the driving component comprises a first motor and a cam, the first motor is fixedly arranged at the top of the arc-shaped vertical plate, the cam is fixedly arranged at the output shaft end of the first motor, cam and feeder hopper top laminating setting, fixedly connected with spring between arc riser and the feeder hopper solves the unfavorable problem of artifical material loading, carries out the homogenization to pyrolysis gasification incinerator gas, avoids the waste material to burn unevenly.

Description

Pyrolysis gasification system for industrial garbage and sludge

Technical Field

The invention belongs to the technical field of industrial garbage and sludge treatment, and particularly relates to a pyrolysis gasification system for industrial garbage and sludge.

Background

With the stricter environmental protection requirements in various regions, the demand for harmless disposal of the industrial waste which is originally managed roughly is increasing, and the method becomes a new trend of solid waste disposal.

The sulfur content of the waste cloth and sludge in the industrial waste is high, and if the traditional incineration process is adopted, the proportion of converting the sulfur into SO2 is high due to high combustion temperature, and a large amount of harmful gas SO2 is generated. The SO2 gas not only pollutes the environment, but also corrodes the heating surface of the waste heat boiler, and reduces the utilization efficiency of the waste heat of the flue gas. In order to reach the standard of flue gas emission, the existing solid waste incineration project needs to be equipped with a certain complex flue gas purification process, the investment and operation cost is high, and the process flow is relatively complex.

Present solid pyrolysis gasification burns burning furnace and lacks homogenization device, and the waste material burns unevenly, and burns the heat that produces after the production and lack purifier, meets cold back residue and falls back, influences subsequent burning effect, and present pyrolysis gasification burns burning furnace and lacks automatic feeding device, under the high temperature environment, does not utilize manual operation.

Therefore, a pyrolysis gasification system for industrial garbage and sludge is needed, an automatic feeding device is arranged, the problem that manual feeding is unfavorable is solved, a rotary turning plate is arranged in a pyrolysis gasification incinerator, gas of the pyrolysis gasification incinerator is homogenized, and waste materials are prevented from being burnt unevenly; and a coiled pipe with an activated carbon layer is arranged in the pyrolysis gasification incinerator, so that the high-temperature time of the gas is prolonged, and the gas is effectively filtered, so that the problems are solved.

Disclosure of Invention

The invention aims to provide a pyrolysis and gasification system for industrial garbage and sludge, and aims to solve the problems that the conventional solid pyrolysis and gasification incinerator is lack of a homogenizing device, the waste materials are not uniformly incinerated, heat generated after incineration lacks of the waste materials lacks of a purifying device, residues fall back when meeting cold, the subsequent incineration effect is influenced, the conventional pyrolysis and gasification incinerator is lack of an automatic feeding device, and the manual operation is not used in a high-temperature environment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pyrolysis gasification system for industrial waste and sludge comprising: the device comprises a feeding device, a pyrolysis and gasification incinerator and a waste heat boiler, wherein the feeding device is slidably mounted at the top of the pyrolysis and gasification incinerator, a heat conduction pipe is fixedly communicated between the pyrolysis and gasification incinerator and the waste heat boiler, and a valve is fixedly mounted in the heat conduction pipe;

the feeding device comprises a feeding hopper, an arc-shaped vertical plate and a driving assembly, the feeding hopper is slidably mounted on one side of the arc-shaped vertical plate, the arc-shaped vertical plate is fixedly mounted at the top of the pyrolysis gasification incinerator, the driving assembly comprises a first motor and a cam, the first motor is fixedly mounted at the top of the arc-shaped vertical plate, the cam is fixedly mounted at the output shaft end of the first motor, the cam is attached to the top of the feeding hopper, and a spring is fixedly connected between the arc-shaped vertical plate and the feeding hopper;

the pyrolysis gasification incinerator is internally and rotatably provided with a turnover shaft, the surface of the turnover shaft is provided with turnover plates in an annular equidistant array, a coiled pipe is fixedly arranged above the turnover plates in the pyrolysis gasification incinerator, one end of a heat conduction pipe extends into the pyrolysis gasification incinerator and is fixedly communicated with one end of the coiled pipe, and the inner wall of the coiled pipe is uniformly provided with an activated carbon layer;

and the bottom of the waste heat boiler is fixedly communicated with an air storage tank.

Preferably, the waste heat boiler comprises a boiler body and a steam drum, a heat exchanger is arranged on the boiler body, the steam drum comprises a shell, a water supply pipe, a water outlet pipe, a return pipe and a steam outlet pipe are fixedly communicated with the surface of the shell respectively, and the heat exchanger is fixedly communicated with the water outlet pipe and the return pipe respectively.

Preferably, two sets of T type grooves have been seted up to arc riser one side, feeder hopper one side symmetry is provided with two sets of T type pieces, T type groove and T type piece clearance fit, spring one end fixed mounting is in T type inslot, spring other end fixed connection is in T type piece bottom.

Preferably, one side of the outer wall of the pyrolysis and gasification incinerator is fixedly communicated with an air duct, the bottom of the feed hopper is fixedly communicated with a high-temperature-resistant hose, and one end of the air duct, far away from the pyrolysis and gasification incinerator, is fixedly communicated with one end of the high-temperature-resistant hose.

Preferably, two sets of arc connecting plates are installed to pyrolysis gasification incinerator inner wall symmetry, equal fixed mounting in arc connecting plate one side has the bearing frame, the trip shaft both ends are all rotated and are installed in the bearing frame, and trip shaft one end runs through in pyrolysis gasification incinerator and extend to pyrolysis gasification incinerator outside.

Preferably, one end of the turnover shaft, which is positioned outside the pyrolysis gasification incinerator, is in transmission connection with a second motor, and the output shaft end of the second motor is fixedly connected with the turnover shaft through a coupler.

Preferably, two groups of clamping blocks are symmetrically arranged on the inner wall of the pyrolysis gasification incinerator, and the coiled pipe is fixedly clamped in the clamping blocks.

Preferably, the inner wall of the furnace body is uniformly provided with a fireproof material layer, and the furnace body is arranged in a membrane type water-cooled wall structure.

Preferably, pyrolysis gasification incinerator bottom fixed mounting has the landing leg, the landing leg bottom surface respectively with exhaust-heat boiler, gas holder bottom surface level setting, pyrolysis gasification incinerator bottom position fixed mounting placed in the middle has the bin outlet that has the valve.

The invention has the technical effects and advantages that:

1. the automatic feeding device is arranged, so that the problem of unfavorable manual feeding is solved, when the automatic feeding device is used, waste materials are filled in the feeding hopper, the first motor is started to drive the cam to trigger the feeding hopper to vibrate, and continuous feeding is guaranteed;

2. the rotary turning plate is arranged in the pyrolysis and gasification incinerator to homogenize the gas of the pyrolysis and gasification incinerator, so that the waste materials are prevented from being uniformly incinerated, and when the device is used, the second motor is started to drive the turning shaft to rotate, so that the turning plate is driven to homogenize the gas in the pyrolysis and gasification incinerator;

3. because pyrolysis gasification burns burning furnace for the closed jar body, gas wants to get into in the exhaust-heat boiler and must return via the coiled pipe, sets up the coiled pipe that has the active carbon layer in pyrolysis gasification burns burning furnace, increases gaseous high temperature time, and effectively must filter gas.

Drawings

FIG. 1 is a schematic view, partially in section and in elevation, of a pyrolysis gasification system for industrial waste and sludge in accordance with the present invention;

FIG. 2 is a schematic side view of a pyrolysis gasification system for industrial waste and sludge in accordance with the present invention;

FIG. 3 is a schematic top view of a pyrolysis gasification system for industrial waste and sludge in accordance with the present invention;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 1 of a pyrolysis gasification system for industrial waste and sludge in accordance with the present invention;

FIG. 5 is an enlarged view of a portion B of FIG. 3 of the pyrolysis gasification system for industrial waste and sludge according to the present invention.

In the figure: 1. a feeding device; 101. a feed hopper; 102. an arc-shaped vertical plate; 103. a drive assembly; 1031. a first motor; 1032. a cam; 104. a spring; 2. a pyrolysis gasification incinerator; 201. a turning shaft; 202. turning over a plate; 203. a serpentine tube; 204. an activated carbon layer; 205. an air duct; 206. a high temperature resistant hose; 207. an arc-shaped connecting plate; 208. a support leg; 209. a discharge outlet; 3. a waste heat boiler; 301. a furnace body; 302. a heat exchanger; 303. a steam drum; 3031. a housing; 304. a layer of fire-retardant material; 4. a heat conducting pipe; 5. a valve; 6. a gas storage tank; 7. a T-shaped groove; 8. a T-shaped block; 9. a second motor; 10. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The present invention provides a pyrolysis gasification system for industrial waste and sludge as shown in fig. 1 to 5, comprising: the waste material treatment device comprises a feeding device 1, a pyrolysis and gasification incinerator 2 and a waste heat boiler 3, wherein the feeding device 1 is slidably mounted at the top of the pyrolysis and gasification incinerator 2, a heat conduction pipe 4 is fixedly communicated between the pyrolysis and gasification incinerator 2 and the waste heat boiler 3, a valve 5 is fixedly mounted in the heat conduction pipe 4, when the waste material treatment device is used, waste materials to be treated can be guided into a feeding hopper 101 by using a spiral material conveyor, and after the feeding hopper 101 is filled with the waste materials, a first motor 1031 is started to drive a cam 1032 to trigger the feeding hopper 101 to vibrate;

the feeding device 1 comprises a feeding hopper 101, an arc-shaped vertical plate 102 and a driving assembly 103, wherein the feeding hopper 101 is slidably mounted on one side of the arc-shaped vertical plate 102, two groups of T-shaped grooves 7 are formed in one side of the arc-shaped vertical plate 102, two groups of T-shaped blocks 8 are symmetrically arranged on one side of the feeding hopper 101, the T-shaped grooves 7 are in clearance fit with the T-shaped blocks 8, an action space is provided for the cam 1032 to push the feeding hopper 101 to move up and down, one end of a spring 104 is fixedly mounted in the T-shaped grooves 7, the other end of the spring 104 is fixedly connected to the bottom of the; the arc-shaped vertical plate 102 is fixedly arranged at the top of the pyrolysis gasification incinerator 2, and the arc-shaped vertical plate 102 is arranged, so that the sliding dependence is provided for the feed hopper 101, and the support is provided for the first motor 1031; the driving assembly 103 includes a first motor 1031 and a cam 1032, and the cam 1032 is arranged to rapidly drive the first motor 1031 to vibrate the feeding hopper 101 up and down; the first motor 1031 is fixedly arranged at the top of the arc-shaped vertical plate 102, the cam 1032 is fixedly arranged at the output shaft end of the first motor 1031, the cam 1032 is attached to the top of the feed hopper 101, and the spring 104 is fixedly connected between the arc-shaped vertical plate 102 and the feed hopper 101;

the turnover shaft 201 is rotatably mounted in the pyrolysis and gasification incinerator 2, the turnover plates 202 are annularly and equidistantly arrayed on the surface of the turnover shaft 201, the rotary turnover plates 202 are arranged in the pyrolysis and gasification incinerator 2, and the gas in the pyrolysis and gasification incinerator 2 is homogenized to avoid uneven waste material incineration; the coil pipe 203 is fixedly arranged above the turning plate 202 in the pyrolysis and gasification incinerator 2, the pyrolysis and gasification incinerator 2 is a closed tank body, gas inevitably returns to the waste heat boiler 3 after entering the waste heat boiler 203, the coil pipe 203 with the activated carbon layer 204 is arranged in the pyrolysis and gasification incinerator 2, the high-temperature time of the gas is prolonged, the gas is effectively filtered, and the influence of impurity falling back on the subsequent pyrolysis and gasification effect is avoided; one end of the heat conduction pipe 4 extends into the pyrolysis and gasification incinerator 2 and is fixedly communicated with one end of the coiled pipe 203, an activated carbon layer 204 is uniformly arranged on the inner wall of the coiled pipe 203, an air guide pipe 205 is fixedly communicated with one side of the outer wall of the pyrolysis and gasification incinerator 2, a high temperature resistant hose 206 is fixedly communicated with the bottom of the feed hopper 101, the high temperature resistant hose 206 is arranged, and a valve 5 is also arranged in the air guide pipe 205, so that hot gas backflow is prevented, and the feed hopper 101 is guaranteed not to interfere with the air guide pipe 205 when vibrating; one end of the gas guide pipe 205, which is far away from the pyrolysis and gasification incinerator 2, is fixedly communicated with one end of the high temperature resistant hose 206, two groups of arc-shaped connecting plates 207 are symmetrically arranged on the inner wall of the pyrolysis and gasification incinerator 2, bearing seats are fixedly arranged on one sides of the arc-shaped connecting plates 207, both ends of the turnover shaft 201 are rotatably arranged in the bearing seats, and 201 one end of trip shaft runs through in pyrolysis gasification burns burning furnace 2 and extends to pyrolysis gasification burns burning furnace 2 outsidely, trip shaft 201 is located the outside one end transmission of pyrolysis gasification burns burning furnace 2 and is connected with second motor 9, the output axle head of second motor 9 passes through shaft coupling and trip shaft 201 fixed connection, 2 inner wall symmetries of pyrolysis gasification burns burning furnace install two sets of fixture blocks 10, the fixed joint of coiled pipe 203 is in fixture block 10, 2 bottom fixed mounting of pyrolysis gasification burns burning furnace has landing leg 208, landing leg 208 bottom surface respectively with exhaust-heat boiler 3, 6 bottom surface levels of gas holder set up, 2 bottom of pyrolysis gasification burns burning furnace 2 fixed mounting placed in the middle of position has bin outlet 209 that has.

The bottom of the waste heat boiler 3 is fixedly communicated with a gas storage tank 6, the waste heat boiler 3 comprises a boiler body 301 and a steam drum 303, a heat exchanger 302 is arranged on the boiler body 301, the steam drum 303 comprises a shell 3031, the surface of the shell 3031 is respectively fixedly communicated with a water supply pipe, a water outlet pipe, a return pipe and a steam outlet pipe, the heat exchanger 302 is respectively fixedly communicated with the water outlet pipe and the return pipe, the inner wall of the boiler body 301 is uniformly provided with a fireproof material layer 304, and the boiler body 301 is in a membrane water-cooling.

The structure principle is as follows: the automatic feeding device 1 is arranged to solve the problem of unfavorable manual feeding, when the automatic feeding device is used, waste materials are filled in the feeding hopper 101, the first motor 1031 is started to drive the cam 1032 to trigger the feeding hopper 101 to vibrate, and continuous feeding is guaranteed;

the rotary turning plate 202 is arranged in the pyrolysis and gasification incinerator 2, the gas in the pyrolysis and gasification incinerator 2 is homogenized, so that the waste materials are prevented from being uniformly burnt, and when the device is used, the second motor 9 is started to drive the turning shaft 201 to rotate, so that the turning plate 202 is driven to homogenize the gas in the pyrolysis and gasification incinerator 2;

because pyrolysis gasification burns burning furnace 2 and is the sealed jar body, gas wants to get into in exhaust-heat boiler 3 and must return via coiled pipe 203, sets up the coiled pipe 203 that has activated carbon layer 204 in pyrolysis gasification burns burning furnace 2, increases gaseous high temperature time, and effectively must filter gas, avoids impurity to fall back and influences subsequent pyrolysis gasification effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. A pyrolysis gasification system for industrial waste and sludge comprising: feed arrangement (1), pyrolysis gasification incinerator (2) and exhaust-heat boiler (3), its characterized in that: the feeding device (1) is slidably mounted at the top of the pyrolysis and gasification incinerator (2), a heat conduction pipe (4) is fixedly communicated between the pyrolysis and gasification incinerator (2) and the waste heat boiler (3), and a valve (5) is fixedly mounted in the heat conduction pipe (4);

the feeding device (1) comprises a feeding hopper (101), an arc-shaped vertical plate (102) and a driving assembly (103), wherein the feeding hopper (101) is slidably mounted on one side of the arc-shaped vertical plate (102), the arc-shaped vertical plate (102) is fixedly mounted on the top of the pyrolysis gasification incinerator (2), the driving assembly (103) comprises a first motor (1031) and a cam (1032), the first motor (1031) is fixedly mounted on the top of the arc-shaped vertical plate (102), the cam (1032) is fixedly mounted on the output shaft end of the first motor (1031), the cam (1032) is attached to the top of the feeding hopper (101), and a spring (104) is fixedly connected between the arc-shaped vertical plate (102) and the feeding hopper (101);

a turnover shaft (201) is rotatably mounted in the pyrolysis and gasification incinerator (2), turnover plates (202) are annularly and equidistantly arrayed on the surface of the turnover shaft (201), a coiled pipe (203) is fixedly mounted above the turnover plates (202) in the pyrolysis and gasification incinerator (2), one end of a heat conduction pipe (4) extends into the pyrolysis and gasification incinerator (2) and is fixedly communicated with one end of the coiled pipe (203), and an activated carbon layer (204) is uniformly arranged on the inner wall of the coiled pipe (203);

and the bottom of the waste heat boiler (3) is fixedly communicated with an air storage tank (6).

2. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: the waste heat boiler (3) comprises a boiler body (301) and a steam drum (303), wherein a heat exchanger (302) is arranged on the boiler body (301), the steam drum (303) comprises an outer shell (3031), a water supply pipe, a water outlet pipe, a return pipe and a steam outlet pipe are fixedly communicated with the surface of the outer shell (3031) respectively, and the heat exchanger (302) is fixedly communicated with the water outlet pipe and the return pipe respectively.

3. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: two sets of T type grooves (7) have been seted up to arc riser (102) one side, feeder hopper (101) one side symmetry is provided with two sets of T type pieces (8), T type groove (7) and T type piece (8) clearance fit, spring (104) one end fixed mounting is in T type groove (7), spring (104) other end fixed connection is in T type piece (8) bottom.

4. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: the pyrolysis gasification incinerator (2) outer wall one side is fixed the intercommunication has air duct (205), the fixed intercommunication in feeder hopper (101) bottom has high temperature resistant hose (206), pyrolysis gasification incinerator (2) one end and the fixed intercommunication of high temperature resistant hose (206) are kept away from in air duct (205).

5. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: two sets of arc connecting plates (207) are installed to pyrolysis gasification burns burning furnace (2) inner wall symmetry, the equal fixed mounting in arc connecting plate (207) one side has the bearing frame, trip shaft (201) both ends are all rotated and are installed in the bearing frame, and trip shaft (201) one end runs through in pyrolysis gasification burns burning furnace (2) and extends to pyrolysis gasification burns burning furnace (2) outside.

6. A pyrolysis gasification system for industrial waste and sludge according to claim 5, characterized in that: the turnover shaft (201) is located at one end outside the pyrolysis gasification incinerator (2), one end of the turnover shaft (201) is in transmission connection with a second motor (9), and the output shaft end of the second motor (9) is fixedly connected with the turnover shaft (201) through a coupler.

7. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: two groups of clamping blocks (10) are symmetrically installed on the inner wall of the pyrolysis gasification incinerator (2), and the coiled pipe (203) is fixedly clamped in the clamping blocks (10).

8. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: the inner wall of the furnace body (301) is uniformly provided with fireproof material layers (304), and the furnace body (301) is arranged in a membrane type water-cooled wall structure.

9. A pyrolysis gasification system for industrial waste and sludge according to claim 1, characterized in that: pyrolysis gasification burns burning furnace (2) bottom fixed mounting has landing leg (208), landing leg (208) bottom surface respectively with exhaust-heat boiler (3), gas holder (6) bottom surface level setting, pyrolysis gasification burns burning furnace (2) bottom position fixed mounting placed in the middle has bin outlet (209) with the valve.