CN208832468U

CN208832468U - A kind of pyrolysis gasification furnace

Info

Publication number: CN208832468U
Application number: CN201821139192.4U
Authority: CN
Inventors: 吴晓龙
Original assignee: Fujian Huixin Environmental Protection Technology Co Ltd
Current assignee: Fujian Huixin Environmental Protection Technology Co Ltd
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2019-05-07
Anticipated expiration: 2028-07-18

Abstract

The utility model discloses a kind of pyrolysis gasification furnaces, furnace body including hollow cylinder, feed inlet and smoke outlet are equipped at the top of furnace body, bottom of furnace body connects fire grate, furnace body includes outer cover of steel plate, thermal insulation layer and two layers of drying layer, gap between two layers of drying layer forms annular dual firing chamber's cavity, drying layer middle section is equipped with two rows of circumferential several small air inlet holes, drying layer upper section has several air inlet macropores along axially in spiral distribution, extend two circle edge parts outward in drying layer middle section, cavity in drying layer is connected to dual firing chamber's cavity with air inlet macropore by small air inlet hole, the utility model is by house refuse during pyrolytic gasification, the high-temperature flue gas and fuel gas of generation are when high temperature pyrolysis shapes, it introduces dual firing chamber and carries out full combustion processing, high-temperature flue gas fires again using the multiple baffling of dual firing chamber to be handled, and it solves When high temperature section absorbs high-temperature flue gas, uncombusted rubbish and high-temperature flue gas and fuel gas are mixed together, block the problem of entering dual firing chamber.

Description

A kind of pyrolysis gasification furnace

Technical field

The utility model relates to environment protection equipment technical fields, and in particular to a kind of pyrolysis gasification furnace.

Background technique

Refuse pyrolysis gasification refers to that under conditions of anaerobic or anoxic, organic macromolecule is broken in rubbish, generates small The process of molecular gas, tar and residue, refuse pyrolysis gasification technology not only realize garbage harmless, minimizing and recycling, And can also effectively overcome the problems, such as the dioxin contamination that waste incineration generates, thus become a kind of rubbish with large development prospect Rubbish processing technique.

The exhanst gas outlet of domestic garbage pyrolysis gasification oven is all updraft type and downdraft currently on the market, and updraft type is under Suction is difficult the temperature for allowing dual firing chamber to reach relatively high, therefore the heat of updraft type and downdraft because flue gas exit temperature is relatively low Gasification furnace is solved in combustion process, the addition fuel oil in furnace body is required and carries out auxiliary heating, could thoroughly burn consumption in this way, institute With the pyrolysis gasification furnace in actual work, problems can be often faced.

Utility model content

In place of overcoming the above deficiencies in the existing technologies, the purpose of this utility model is to provide a kind of pyrolysis Gasification furnace, which is able to solve rubbish full combustion, and can prevent the problem of rubbish is taken back dual firing chamber by combustion process.

The utility model is achieved through the following technical solutions: a kind of pyrolysis gasification furnace, the furnace body including hollow cylinder, furnace body Top be equipped with feed inlet and smoke outlet, bottom of furnace body connect fire grate, the furnace body include outer cover of steel plate, be arranged in outer cover of steel plate The thermal insulation layer of inner wall and one layer of drying being arranged in thermal insulation layer and two layers of drying, dry one layer is tightly attached on thermal insulation layer, institute State dry one layer and it is two layers dry between gap form annular dual firing chamber's cavity, the top of dual firing chamber's cavity and Bottom be it is closed, two layers of middle section of the drying are at least provided with the circumferential several small air inlet holes of a row, the drying two Layer upper section has several air inlet macropores along axially in spiral distribution, and a circle edge is at least extended in two layers of middle section of the drying outward Portion, small air inlet hole are located at below edge part, and the cavity in two layers of drying is connected to dual firing chamber's chamber with air inlet macropore by small air inlet hole Body.

Further, thermal insulation layer described in the utility model uses foamed concrete or perlite.

Further, one layer of drying described in the utility model and dry two layers are all made of refractory brick and pour.

Further, two layers of middle section of drying described in the utility model are equipped with two rows of circumferential several small air inlet holes.

Further, small air inlet hole described in the utility model is inclination small air inlet hole.

Further, two circle edge parts, two circle edge parts are extended in two layers of middle section of drying described in the utility model outward It is axially and intervally distributed.

Further, edge part upper surface described in the utility model is inclined-plane.

The utility model compared with prior art, have the following advantages that and the utility model has the advantages that the utility model by house refuse During pyrolytic gasification, the high-temperature flue gas and fuel gas of generation introduce dual firing chamber and carry out sufficiently when high temperature pyrolysis shapes Burning processing, high-temperature flue gas fires again using the multiple baffling of dual firing chamber to be handled, and is solved and absorbed high temperature cigarette in high temperature section When gas, uncombusted rubbish and high-temperature flue gas and fuel gas are mixed together, block the problem of entering dual firing chamber.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become apparent:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the A-A of Fig. 1 to diagrammatic cross-section；

Wherein: 1-feed inlet, 2-smoke outlets, 3-fire grates, 4-outer cover of steel plate, 5-thermal insulation layers, one layer of 6a-drying, Two layers of 6b-drying, 7-dual firing chamber's cavitys, 8-small air inlet holes, 9-edge parts.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than a.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；It is also possible to be connected directly, is also possible to indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

A kind of pyrolysis gasification furnace of the present embodiment, as depicted in figs. 1 and 2, the furnace body including hollow cylinder, the top of furnace body Equipped with feed inlet 1 and smoke outlet 2, bottom of furnace body connects fire grate 3, and furnace body includes outer cover of steel plate 4, outer cover of steel plate inner wall is arranged in Thermal insulation layer 5 and the one layer of 6a of drying being arranged in thermal insulation layer 5 and dry two layers of 6b, dry one layer is tightly attached on thermal insulation layer, every Thermosphere 5, can be depending on production using any one in foamed concrete or perlite, and dry one layer of 6a and dry two Layer 6b is all made of refractory brick and pours.

Gap between dry one layer of 6a and dry two layers of 6b forms annular dual firing chamber's cavity 7, dual firing chamber's cavity 7 Top and bottom be it is closed, dry two layers of 6b upper sections in spiral distribution have several air inlet macropores, dry two layers of 6b along axial Middle section is equipped with two rows of circumferential several small air inlet holes 8, and small air inlet hole 8 is angling hole, can prevent rubbish from passing through aperture It is introduced in dual firing chamber's cavity 7, two circle edge parts 9 are extended in dry two layers of middle section 6b outward, and two circle edge parts 9 are between axial direction Every distribution, each 9 upper surface of edge part is inclined-plane, is corresponding with row's small air inlet hole 8 below every circle edge part 9, passes through edge part 9 Design can stop flue gas and fuel gas to be directly discharged from top, allow flue gas and fuel gas by the introducing of small air inlet hole 8 two It fires in chamber body 7, the cavity in dry two layers of 6b is connected to dual firing chamber's cavity 7 with air inlet macropore by small air inlet hole 8, two layers dry Cavity in 6b is also connected to feed inlet 1, and dual firing chamber's cavity 7 is connected to smoke outlet 2.

The working principle of the utility model is that the feed inlet 1 toward furnace body launches house refuse, and house refuse is in pyrolytic gasification In the process, the high-temperature flue gas and fuel gas of generation are when high temperature pyrolysis shapes, first from the small air inlet hole 8 in dry two layers of middle section 6b Introduce and carry out full combustion processing in dual firing chamber's cavity 7, then enter the cavity in dry two layers of 6b from air inlet macropore, finally again from Air inlet macropore enters dual firing chamber's cavity 7, and dual firing chamber's cavity 7 is communicated with smoke outlet 2 again, so flue gas is finally discharged from smoke outlet, High-temperature flue gas fires again by more than 7 bafflings of dual firing chamber's cavity to be handled, and is solved when high temperature section absorbs high-temperature flue gas, not The rubbish and high-temperature flue gas and fuel gas of after-flame are mixed together, block the problem of entering dual firing chamber.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where not departing from the principles of the present invention and objective, The scope of the utility model is defined by the claims and their equivalents.

Claims

1. the top of a kind of pyrolysis gasification furnace, the furnace body including hollow cylinder, furnace body is equipped with feed inlet and smoke outlet, bottom of furnace body Connect fire grate, it is characterised in that: the furnace body includes outer cover of steel plate, the thermal insulation layer that outer cover of steel plate inner wall is arranged in and setting Two layers of one layer of drying in thermal insulation layer and drying, dry one layer is tightly attached on thermal insulation layer, two layers of one layer of the drying and drying Between gap form annular dual firing chamber's cavity, be at the top and bottom of dual firing chamber's cavity it is closed, it is described dry Dry layer middle section is at least provided with the circumferential several small air inlet holes of a row, and two layers of upper section of the drying are along axial in spiral distribution There are several air inlet macropores, a circle edge part is at least extended in two layers of middle section of the drying outward, and small air inlet hole is located at edge part Lower section, the cavity dried in two layers are connected to dual firing chamber's cavity with air inlet macropore by small air inlet hole.

2. a kind of pyrolysis gasification furnace according to claim 1, it is characterised in that: the thermal insulation layer using foamed concrete or Perlite.

3. a kind of pyrolysis gasification furnace according to claim 1, it is characterised in that: two layers of one layer of the drying and drying are adopted It is poured with refractory brick.

4. a kind of pyrolysis gasification furnace according to claim 3, it is characterised in that: two layers of middle section of the drying are equipped with two rows of edges Several small air inlet holes of circle distribution.

5. a kind of pyrolysis gasification furnace according to claim 4, it is characterised in that: the small air inlet hole is that inclination air inlet is small Hole.

6. a kind of pyrolysis gasification furnace according to claim 4, it is characterised in that: two layers of middle section of the drying extend outward Two circle edge part out, two circle edge parts are axially and intervally distributed.

7. a kind of pyrolysis gasification furnace according to claim 6, it is characterised in that: the edge part upper surface is inclined-plane.