CN214038419U

CN214038419U - Small organic solid waste pyrolysis gasifier device

Info

Publication number: CN214038419U
Application number: CN202022797801.9U
Authority: CN
Inventors: 孙成才; 梁汉清; 赵宏
Original assignee: Qingdao Alps Waste Management Co ltd
Current assignee: Qingdao Alps Waste Management Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-24
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a small-size organic solid useless pyrolysis gasifier device that gives up, take over, considerable window, combustion air mouth, feed inlet, exhanst gas outlet, recirculated cooling air interface including furnace body, furnace body bottom frame, rotary grate, the spiral of slagging tap, negative pressure table interface, thermometer. The lowest end of the small organic solid waste pyrolysis gasifier device is a furnace body bottom frame, a furnace body is arranged above the bottom frame, a cavity between a shell at the middle lower part of the furnace body and a fireproof layer is an air cooling wall, and the furnace body is also provided with a feeding door, a manhole, a negative pressure meter interface, a thermometer connecting pipe, a observable window, a feeding hole, a flue gas outlet and a circulating cooling air interface; a frame at the bottom of the furnace body is provided with a rotary grate, a slag discharge spiral and a combustion-supporting air port; the air distribution holes are uniformly distributed on the interface between the internal cavity of the bottom frame and the interior of the furnace; the driving part is connected with the rotary grate. The small organic solid waste pyrolysis gasification furnace device can realize the cracking and gasification treatment of dispersed organic solid waste.

Description

Small organic solid waste pyrolysis gasifier device

Technical Field

The utility model belongs to the technical field of organic solid useless processing, concretely relates to small-size organic solid useless pyrolysis gasifier device.

Background

With social development and technological progress, organic solid waste relates to aspects of national production and life, domestic waste generated in daily life, residual sludge generated after domestic sewage treatment, medical waste such as infusion tubes and operation residues generated in the medical industry, leftovers of clothing factories, residues of recycled paper factories and the like. Different organic solid wastes need to be pyrolyzed and gasified, and because the organic solid wastes are too dispersed, equipment with smaller treatment capacity needs to be developed, so that the dispersed organic solid wastes are respectively subjected to harmless treatment.

Disclosure of Invention

The utility model aims at providing a small-size organic pyrolysis gasifier device that gives up admittedly, be convenient for transport and use, can effectively solve the current situation of the inconvenient centralized processing of organic solid useless.

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

the utility model provides a small organic solid waste pyrolysis gasifier device, which comprises a furnace body, a furnace body bottom frame, a rotary grate, a slag discharge spiral, a negative pressure meter interface, a thermometer adapter, a visible window, a combustion-supporting air port, a feed inlet, a flue gas outlet and a circulating cooling air interface; the furnace body bottom frame is positioned at the lowest end of the small organic solid waste pyrolysis gasifier device; the furnace body is fixedly connected above the bottom frame of the furnace body; the feed inlet and the flue gas outlet are respectively arranged at two sides of the furnace body; a feeding door is arranged on the feeding hole; the rotary fire grate is fixed above the inner part of the bottom frame of the furnace body and is connected with a driving part; the slag discharging spiral is arranged below the rotary grate and is connected with an external power supply; the thermometer connecting pipe is arranged on the furnace body; the combustion-supporting air port is arranged on the bottom frame of the furnace body; the circulating cooling air interface is arranged at the middle lower part of the furnace body and is connected with an air cooling wall formed between the outer shell and the refractory layer in the furnace body; the negative pressure meter interface and the observable window are fixedly arranged on the small organic solid waste pyrolysis gasification furnace device.

Further, the small organic solid waste pyrolysis gasifier device further comprises a manhole, and the manhole is installed on the back face of the small organic solid waste pyrolysis gasifier device.

Furthermore, air distribution holes are uniformly distributed on the interface between the bottom frame of the furnace body and the interior of the furnace body.

Furthermore, sixteen thermometer connecting pipes are symmetrically and uniformly arranged on the middle lower portion of the furnace body, and one thermometer connecting pipe is further arranged on the side face of a flue gas outlet of the furnace body.

Further, the driving part is a hydraulic oil cylinder.

Furthermore, four groups of slag tapping spirals which are arranged in parallel are arranged on the frame at the bottom of the furnace body.

Further, 6-15 pairs of circulating cooling air interfaces are arranged on the middle lower part of the furnace body at equal intervals.

Furthermore, the feeding door is connected to the position right above the feeding hole of the furnace body in a sliding mode through a track.

Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:

1. the small organic solid waste pyrolysis gasification furnace device has simple structure, convenience and practicability, convenient transportation and installation and low cost; the device is convenient to realize miniaturization treatment, and is helpful for solving the problems of organic solid waste dispersion and inconvenient centralized treatment.

2. The heat generated by the combustion of the cracked gasification gas of the organic solid waste can be utilized to provide energy for the cracking gasification of the organic solid waste which enters later, no additional fuel is needed to be input, and the energy is saved while the waste is treated.

3. In the operation process, the furnace body is in a negative pressure state, organic solid waste is cracked and gasified in the negative pressure hearth, the phenomena of smoke leakage and ash leakage are avoided, and the operation environment is clean.

4. The four groups of slag-out screws are used for discharging slag, the shaftless screws can enable ash slag to vertically fall in, the ash slag in the furnace body can be discharged in time, a certain crushing effect is achieved, the bridging phenomenon does not exist, and the ash blockage phenomenon is prevented.

5. The middle lower part of the furnace body is provided with a circulating cooling air interface and an air cooling wall, which not only reduces the temperature of the high-temperature section of the furnace body and prevents coking in the furnace, but also is beneficial to the recovery and utilization of waste heat.

6. The combustion-supporting air of furnace body gets into the furnace body through bottom of a furnace frame, and the hole evenly distributed that distributes on frame and the inside interface of furnace body helps evenly giving the wind, adjusts the amount of wind, and then realizes the abundant burning of organic solid useless, reduces the hot burning rate of slag, gives the amount of wind through adjusting simultaneously, helps realizing low nitrogen burning to reduce the degree of difficulty that the flue gas was handled.

7. The furnace body is provided with a observable window, the flame condition is observed to judge the combustion state, and the stable combustion of organic solid wastes is realized by adjusting the feeding amount, the air supply amount and the circulating cooling air amount.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of a small organic solid waste pyrolysis gasifier apparatus;

FIG. 2 is a top view of a small organic solid waste pyrolysis gasifier apparatus;

FIG. 3 is a view of the side A of the small organic solid waste pyrolysis gasifier device;

FIG. 4 is a sectional view of B-B, C-C, D-D, E-E;

reference numbers in the figures: 1. a furnace body; 2. a furnace body bottom frame; 3. rotating the grate; 4. a feed gate; 5. a manhole; 6. slag tapping screw; 7. a negative pressure gauge interface; 8. a thermometer adapter; 9. a window can be observed; 10. a combustion air port; 11. a feed inlet; 12. a flue gas outlet; 13. a drive member; 14. a circulating cooling air interface; 15. an air-cooled wall.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

The utility model provides a small organic solid waste pyrolysis gasifier device, the structure of which is shown in figures 1-4. The small organic solid waste pyrolysis gasifier device comprises a furnace body 1, a furnace body bottom frame 2, a rotary grate 3, a feeding door 4, a manhole 5, a slag discharge spiral 6, a negative pressure meter connector 7, a thermometer connecting pipe 8, a visible window 9, a combustion-supporting air port 10, a feeding port 11, a flue gas outlet 12, a driving part 13, a circulating cooling air connector 14 and an air cooling wall 15.

The view of the surface A shown in figure 3 is the front surface of the small organic solid waste pyrolysis gasifier device, and the corresponding surface is the back surface. In FIG. 4, as shown in B-B, the furnace bottom frame 2 is located at the lowermost end of the pyrolysis gasifier apparatus. The furnace body 1 is fixedly connected above the furnace body bottom frame 2; the furnace body 1 is used as a place for gasifying and burning organic solid waste in a refractory layer (also called a hearth). The air cooling wall 15 is a cavity formed by the outer shell of the middle lower part of the furnace body 1 and the refractory layer and is a refractory independent inner cavity; is an air-cooled air flowing place. The feed inlet 11 is arranged above the right side of the furnace body 1, the feed door 4 is connected to the feed inlet 11 of the furnace body 1 through a sliding track, and organic solid waste can be thrown into the furnace body 1 from the feed inlet 11 by opening the feed door 4. The flue gas outlet 12 is arranged above the left side of the furnace body 1, and the waste after combustion is discharged out of the furnace body 1 through the flue gas outlet 12. The rotary grate 3 is fixed at the uppermost part inside the bottom frame 2 of the furnace body; heating and ash removal is possible. The driving part 13 is a hydraulic oil cylinder and is connected to the rotary grate 3 through a connecting rod and a shaft system; the driving component 13 can drive the rotary grate 3 to rotate, so that the ash can be screened and dropped. Four groups of slag tapping spirals 6 which are arranged in parallel are fixedly arranged below the rotary grate 3 of the furnace body bottom frame 2 through shafts, and a motor of each slag tapping spiral 6 is electrically connected with an external power supply; the slag screw 6 rotates to discharge the collected waste slag, and simultaneously the screw plays a role in crushing to prevent ash from bridging. The thermometer connecting pipes 8 penetrate through the air cooling wall 15, the direction is along the radial direction of the section, the thermometer connecting pipes 8 arranged at the middle lower part of the furnace body 1 are symmetrically and uniformly distributed around the middle lower part of the furnace body 1, and the thermometer connecting pipes 8 are also arranged at the upper part of the furnace body 1 near the smoke outlet 12; the installed thermometer monitors the temperature of the high temperature area in the furnace body 1 and the flue gas temperature of the flue gas outlet 12 in real time. The combustion-supporting air port 10 is welded on the bottom frame 2 of the furnace body, below the rotary fire grate 3, and is connected with the inner cavity of the bottom frame 2 of the furnace body; the air distribution holes are uniformly arranged on the interface between the furnace body bottom frame 2 and the interior of the furnace body 1, so that combustion-supporting air can uniformly and adjustably enter the interior of the furnace body 1. The ten pairs of circulating cooling air interfaces 14 are arranged at equal intervals at the middle lower part of the furnace body 1 along the radial direction of the section, and the interior of the ten pairs of circulating cooling air interfaces is communicated with the cavity of the air cooling wall 15; the temperature of the cavity inside the air cooling wall 15 can be changed by adjusting the air inlet amount of the circulating cooling air interface 14, so that the temperature inside the hearth can be adjusted, and meanwhile, the flue gas temperature of the flue gas outlet 12 can be adjusted; the circulating cooling air interface 14 can be connected with a fan and a heating heat exchanger outside to realize waste heat recovery, so that heating in winter and hot water supply in summer can be realized. The observable window 9 is fixedly arranged in the middle of the front surface of the furnace body 1, the gasification combustion condition of organic solid waste in the hearth can be clearly observed, and the sufficient and stable combustion of the organic solid waste is realized by controlling the feeding amount, the combustion air supply amount and the air intake amount of circulating cooling air. A negative pressure meter interface 7 is arranged in the middle of the furnace body 1 right above the observable window 9; is used for installing a negative pressure gauge to display the air pressure in the furnace body 1 at any time. The manhole 5 is arranged on the furnace body 1 at the back of the device through a hinge; used for the internal overhaul of maintenance personnel.

The working principle of the small organic solid waste pyrolysis gasification furnace device is as follows:

1. feeding: the feed gate 4 is opened, and the organic solid waste is fed into the furnace body 1 (also referred to as a furnace) from the feed port 11 of the pyrolysis/gasification furnace.

2. Gasification and combustion: in the hearth, the organic solid waste is cracked, gasified and stirred on the rotary grate 3 to generate combustible cracked gas. Combustion-supporting air enters the hearth through a combustion-supporting air port 10 on the bottom frame 2 of the furnace body, and the combustion-supporting air entering the hearth is uniformly mixed with combustible pyrolysis gas and combusted in the hearth; in the combustion process, the furnace body 1 is in a negative pressure state, the combustible pyrolysis gas is completely combusted in the negative pressure hearth, and the air pressure in the hearth is displayed through the negative pressure gauge on the negative pressure gauge connector 7 on the furnace body 1. And monitoring the air pressure in the hearth in real time. In the combustion process, the combustion state is judged by observing the flame condition in the hearth through the observable window 9 at intervals, and the feeding amount, the supply amount of the combustion air port 10 and the air inlet amount of the circulating cooling air interface 14 can be adjusted according to the combustion condition, so that the stable cracking combustion of the organic solid wastes in the hearth is realized.

3. Smoke and wind assistance: the heat generated by combustion provides energy for the pyrolysis and gasification of the organic solid waste, and a combustion-supporting air port 10 on the furnace body bottom frame 2 provides combustion-supporting gas for combustion. The air inlet amount of a circulating cooling air interface 14 is adjusted, the temperature of the cavity inside the air cooling wall 15 is changed, the temperature inside the hearth is further adjusted, and the temperature inside the hearth is detected through a thermometer of a thermometer connecting pipe 8 arranged at the middle lower part of the furnace body 1; the temperature change in the furnace controls the flue gas temperature of the flue gas outlet 12, the temperature change is observed through a thermometer at the position of the flue gas outlet 12, the outlet flue gas temperature is ensured to be in a certain range, the flue gas temperature reaches the standard of flue gas treatment, and the combusted waste gas enters a tail gas treatment system through the flue gas outlet 12.

4. Deslagging: the hydraulic rod of the hydraulic oil cylinder moves forwards and backwards to drive the rotary grate 3 to rotate, the non-combustible residues above the rotary grate 3 are screened below the rotary grate 3, and the dropped ash slag is collected by four groups of slag-tapping screws 6 below the furnace body bottom frame 2 and discharged out of the pyrolysis gasification furnace through the slag-tapping screws 6. The four groups of slag-out screws 6 at the bottom enable ash to fall vertically, the ash in the furnace body 1 is discharged in time, the screws have the function of crushing, the slag-out process is smooth, and the bridging phenomenon is prevented, so that the ash blockage phenomenon is avoided.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. A small organic solid waste pyrolysis gasifier device is characterized by comprising a furnace body, a furnace body bottom frame, a rotary grate, a slag discharge spiral, a negative pressure meter interface, a thermometer adapter, a observable window, a combustion-supporting air port, a feed inlet, a flue gas outlet and a circulating cooling air interface; the furnace body bottom frame is positioned at the lowest end of the small organic solid waste pyrolysis gasifier device; the furnace body is fixedly connected above the bottom frame of the furnace body; the feed inlet and the flue gas outlet are respectively arranged at two sides of the furnace body; a feeding door is arranged on the feeding hole; the rotary fire grate is fixed above the inner part of the bottom frame of the furnace body and is connected with a driving part; the slag discharge spiral is arranged below the rotary grate, and a motor of the slag discharge spiral is connected with an external power supply; the thermometer connecting pipe is arranged on the furnace body; the combustion-supporting air port is arranged on the bottom frame of the furnace body; the circulating cooling air interface is arranged at the middle lower part of the furnace body and is connected with an air cooling wall formed between the outer shell and the refractory layer in the furnace body; the negative pressure meter interface and the observable window are fixedly arranged on the small organic solid waste pyrolysis gasification furnace device.

2. The small organic solid waste pyrolysis gasifier device as claimed in claim 1, further comprising a manhole installed at a rear surface of the small organic solid waste pyrolysis gasifier device.

3. The small-sized organic solid waste pyrolysis gasifier device according to claim 1, wherein the air distribution holes are uniformly arranged on the interface between the furnace body bottom frame and the inside of the furnace body.

4. The small organic solid waste pyrolysis gasifier device as claimed in claim 1, wherein sixteen thermometer connecting pipes are symmetrically and uniformly arranged at the middle lower part of the furnace body, and one thermometer connecting pipe is further arranged on the side surface of the flue gas outlet of the furnace body.

5. The compact organic solid waste pyrolysis gasifier apparatus of claim 1 wherein the drive means is a hydraulic ram.

6. The small-sized organic solid waste pyrolysis gasifier device according to claim 1, wherein four groups of slag tapping spirals arranged in parallel are arranged on the bottom frame of the furnace body.

7. The small-sized organic solid waste pyrolysis gasifier device according to claim 1, wherein 6-15 pairs of circulating cooling air connectors are arranged on the middle lower part of the furnace body at equal intervals.

8. The small organic solid waste thermal gasification furnace device according to claim 1, wherein the feeding gate is slidably connected to the furnace body directly above the feeding port through a rail.