CN210532380U - Integrated gasification furnace - Google Patents
Integrated gasification furnace Download PDFInfo
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- CN210532380U CN210532380U CN201920395694.1U CN201920395694U CN210532380U CN 210532380 U CN210532380 U CN 210532380U CN 201920395694 U CN201920395694 U CN 201920395694U CN 210532380 U CN210532380 U CN 210532380U
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Abstract
The utility model discloses an integral type gasifier, including the gasification furnace body, be equipped with the gasification chamber in the gasification furnace body, be equipped with the gas pipe on the lateral wall of gasification furnace body, the inlet end and the gasification chamber intercommunication of gas pipe. The end of giving vent to anger of gas pipe is connected with the burning kitchen, and the burning kitchen includes that the kitchen core and cover locate the kitchen core outside and be the outer kitchen section of thick bamboo of hollow tube-shape, and the cavity between outer kitchen section of thick bamboo and the kitchen core forms the burning chamber that supplies the mist to ignite the burning, is equipped with the gas mixing chamber that is used for making the gas mixture that gets into form mist in the kitchen core, mixes the gas chamber respectively with gas pipe and burning chamber intercommunication. The combustion stove further comprises an air distribution pipe communicated with the gas guide pipe, and the air distribution pipe is used for distributing air flow into the gas guide pipe so that the combustible gas flows towards the gas mixing cavity under the action of the air flow. The combustion stove also comprises a gas distribution pipe inserted into the gas guide pipe, and the gas distribution pipe is used for distributing combustion-supporting gas into the gas mixing cavity, so that the gas, the combustible gas and the air flow are fully mixed in the gas mixing cavity to form mixed gas.
Description
Technical Field
The utility model relates to a waste gasification field especially relates to an integral type gasifier.
Background
At present, the main method of garbage disposal is through incineration or landfill, but the incineration or landfill still causes certain influence on the environment, the landfill can cause huge pollution to water sources and soil, and occupies a large amount of land, and the incineration technology is limited by domestic garbage components, and the purpose of converting the garbage into nontoxic harmless green energy can not be really realized. At the present stage, the garbage gasification technology is relatively suitable for the national conditions of China, the garbage gasification refers to that materials are ignited and then are subjected to incomplete combustion in an oxygen-deficient environment to generate combustible gas, the combustible gas is mixed with each other and is combined with the incomplete combustion to act on the materials together, so that the materials are promoted to generate chemical changes, and molecules of the materials generate violent movement and collide with each other to generate decomposition.
Combustible gas generated by the garbage gasification treatment can be used as fuel for combustion, and when the garbage gasification furnace is started, a certain amount of smoke can be generated due to the fact that the combustible gas is low in fuel gas heat value and cannot be normally combusted in a combustion stove, and adverse effects are generated on environment and physical health of personnel.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integral type gasifier to solve the technical problem that the combustible gas that current integral type gasifier starts the initial stage and produces can not normally burn in burning the kitchen.
The utility model adopts the technical scheme as follows:
an integrated gasification furnace comprises a gasification furnace body which is supported on the working ground, a gasification cavity which is used for containing materials to be gasified to allow the materials to be gasified to carry out gasification reaction is arranged in the gasification furnace body, a gas guide pipe is arranged on the outer side wall of the gasification furnace body, and the gas inlet end of the gas guide pipe penetrates through the side wall of the gasification furnace body and then is communicated with the gasification cavity so as to lead out combustible gas generated by the gasification reaction in the gasification cavity; the gas outlet end of the gas guide pipe is connected with a combustion stove for combusting combustible gas in the gas guide pipe, the combustion stove comprises a stove core and an outer stove cylinder which is sleeved outside the stove core and is in a hollow cylinder shape, a cavity between the outer stove cylinder and the stove core forms a combustion cavity for igniting and combusting mixed gas, a gas mixing cavity for fully mixing the entering gas to form mixed gas is arranged in the stove core, and the gas mixing cavity is respectively communicated with the gas guide pipe and the combustion cavity; the combustion stove also comprises an air distribution pipe communicated with the gas guide pipe, and the air distribution pipe is used for distributing air flow into the gas guide pipe so that combustible gas in the gas guide pipe flows towards the gas mixing cavity under the action of the air flow and is distributed into the gas mixing cavity after being fully mixed in the gas guide pipe; the combustion stove also comprises a gas distribution pipe inserted into the gas guide pipe, and the gas distribution pipe is used for distributing combustion-supporting gas into the gas mixing cavity when the quantity of combustible gas in the gas mixing cavity is not enough to support stable combustion, so that the gas, the combustible gas and air flow are fully mixed in the gas mixing cavity to form mixed gas.
Furthermore, the air outlet end of the air distribution pipe is communicated with the fuel gas guide pipe, the air inlet end of the air distribution pipe is connected with an air distribution fan used for distributing air flow to the air distribution pipe, and the air distribution fan is arranged outside the fuel gas guide pipe; and a first switch for controlling the on-off of the air distribution pipe is arranged on a pipeline of the air distribution pipe outside the gas guide pipe.
Furthermore, the combustion stove also comprises a gas feeder for distributing gas to the gas distribution pipe, and the gas feeder is arranged outside the gas guide pipe; the gas inlet end of the gas distribution pipe is communicated with the gas feeder, and the gas outlet end of the gas distribution pipe is inserted into the gas guide pipe and then faces the gas inlet of the gas mixing cavity; and a second switch for controlling the on-off of the gas distribution pipe is arranged on a pipeline of the gas distribution pipe outside the gas guide pipe.
Furthermore, the gas conduit is a square pipe, an upper panel of the gas conduit is provided with a gas outlet communicated with the gas mixing cavity, and a lower panel of the gas conduit close to the combustion stove is an inclined plate inclined upwards along the gas flowing direction; the air distribution pipe is arranged at the position of the inclined plate and passes through the inclined plate to face the air outlet.
Further, the gas guide pipe is horizontally arranged; or the gas guide pipe is gradually and upwards obliquely arranged from the gasification furnace body to the combustion stove.
Furthermore, the flame-throwing end of the combustion cavity faces upwards, and one end of the combustion cavity, which is opposite to the flame-throwing end, is a closed end; the annular wall of the stove core is provided with a plurality of through gas injection holes, the gas inlet ends of the gas injection holes are communicated with the gas mixing cavity, and the gas injection ends of the gas injection holes are communicated with the combustion cavity so as to allow the fully mixed gas in the gas mixing cavity to be injected into the combustion cavity for combustion; the ring wall of the fire spraying end of the combustion cavity is provided with a fire pressing disc which is used for preventing combustion smoke from leaking outwards and promoting the combustion smoke to be fully mixed and combusted with oxygen, and the fire pressing disc is arranged above the stove core.
Furthermore, an annular support plate which is horizontally arranged and annular is arranged at the ash outlet end of the gasification cavity; the integrated gasification furnace also comprises a gas distribution disc which is arranged on the lower surface of the annular support plate in a sliding manner, and the gas distribution disc is used for supporting materials in the gasification cavity and enabling ash slag generated by the combustion of the materials to continuously pass through and then fall into the ash storage box below; the air distribution plate is communicated with the air distribution fan, so that air flow enters the air distribution plate and is uniformly and dispersedly distributed into the gasification cavity under the action of the air distribution plate.
Furthermore, the gas distribution plate comprises a gas distribution pipe network extending into the lower part of the inner hole of the annular support plate, the gas distribution pipe network is used for supporting materials in the gasification cavity and enabling ash slag generated by the combustion of the materials to continuously pass through and then fall into the ash storage box, and the gas distribution pipe network is communicated with the air distribution fan so as to introduce air flow into the gas distribution pipe network; the air distribution pipe network is provided with a plurality of through air distribution holes which are used for enabling the air flow introduced into the air distribution pipe network to be uniformly and dispersedly distributed into the gasification cavity.
Furthermore, the air distribution pipe network comprises a plurality of air distribution pipes which are arranged at intervals in sequence, and each air distribution pipe is respectively communicated with the air distribution fan to supply air flow into the air distribution pipes; each air distribution calandria is provided with a plurality of air distribution holes.
Furthermore, a plurality of air distribution calandria are sequentially distributed in a high-low mode in the vertical direction; each air distribution calandria is a corrugated pipe which is arranged in a wave shape in the vertical direction; the gas distribution calandria is a circular pipe, and the gas distribution direction of the gas distribution holes on the gas distribution calandria is vertical to the gas distribution disc and faces to the materials in the gasification furnace.
The utility model discloses following beneficial effect has:
the utility model discloses an in the integral type gasifier, distribute the air in to the gas pipe through the air distribution pipe so that combustible gas in the gas pipe and air join in marriage the gas mixing chamber again after intensive mixing in the gas pipe, simultaneously through the air distribution pipe to being used for combustion-supporting gas to gas mixing chamber delivery, and make the gas, combustible gas and air further intensive mixing form the mist in gas mixing chamber, this mist spouts the burning in the burning chamber again, thereby solve the combustible gas calorific value that the gasifier starts the initial stage and produce and hang down the problem that leads to normal combustion in the burning kitchen, prevent that the flue gas from producing, reduce the harmful effects that the rubbish burning produced environment and personnel are healthy.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic view of the spatial structure of an integrated gasification furnace according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional front view of the structure of FIG. 1;
fig. 3 is a schematic top view of the gas panel of fig. 1.
Description of the figures
10. A gasification furnace body; 101. an annular support plate; 103. a gasification chamber; 11. a gas conduit; 112. a lower panel; 15. sealing the upper cover; 16. a support leg; 40. a gas distribution plate; 401. air distribution holes; 41. a gas distribution pipe network; 410. distributing the exhaust pipes; 42. installing a pipe; 43. an air inlet pipe; 80. a combustion stove; 801. a combustion chamber; 802. a gas mixing cavity; 81. a stove core; 82. an outer cylinder; 83. an air distribution pipe; 84. a gas distribution pipe; 85. a wind distribution fan; 86. a first switch; 88. a second switch; 89. a fire suppression disc.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides an integrated gasification furnace, including: the gasification furnace is used for supporting a gasification furnace body 10 on a working floor, a gasification cavity 103 used for containing materials to be gasified to allow the materials to be subjected to gasification reaction is arranged in the gasification furnace body 10, a gas guide pipe 11 is arranged on the outer side wall of the gasification furnace body 10, and the gas inlet end of the gas guide pipe 11 penetrates through the side wall of the gasification furnace body 10 and then is communicated with the gasification cavity 103 so as to lead out combustible gas generated by the gasification reaction in the gasification cavity 103. The end of giving vent to anger of gas pipe 11 is connected with the burning kitchen 80 that is used for the combustible gas in the gas pipe 11 to burn, burning kitchen 80 includes that kitchen core 81 and cover are located the outer kitchen section of thick bamboo 82 that just is hollow tube-shape of kitchen core 81 outside, the cavity between outer kitchen section of thick bamboo 82 and the kitchen core 81 forms the burning chamber 801 that supplies the mist ignition burning, be equipped with in the kitchen core 81 and be used for making the gaseous gas of entering fully mixed each other and form mist chamber 802 of mist, mist chamber 802 communicates with gas pipe 11 and burning chamber 801 respectively. The combustion stove 80 further comprises an air distribution pipe 83 communicated with the gas conduit 11, wherein the air distribution pipe 83 is used for distributing air flow into the gas conduit 11, so that combustible gas in the gas conduit 11 flows towards the air mixing cavity 802 under the action of the air flow and is fully mixed in the gas conduit 11 and then is distributed into the air mixing cavity 802. The burner 80 further comprises a gas distribution pipe 84 inserted into the gas conduit 11, wherein the gas distribution pipe 84 is used for distributing combustion-supporting gas into the gas mixing chamber 802 when the amount of combustible gas in the gas mixing chamber 802 is not enough to support stable combustion, so that the gas, the combustible gas and the air flow are fully mixed in the gas mixing chamber 802 to form mixed gas.
The utility model discloses an integral type gasifier during operation, the combustible gas that gasification reaction produced in the gasifier body 10 at first gets into gas pipe 11, then with the air of being joined in marriage into gas pipe 11 in gas pipe 11 intensive mixing, and the gas after mixing is distributed under the effect of the air current of joining in marriage into gas mixing chamber 802, and with the gas that is used for combustion-supporting in gas mixing chamber 802 that is distributed by gas distribution pipe 84 further intensive mixing forms the mist in gas mixing chamber 802, the mist is spouted into in burning chamber 801 by gas mixing chamber 802 again, and the postcombustion is lighted in burning chamber 801. The utility model discloses an in the integral type gasifier, distribute the air in order to make combustible gas in the gas pipe 11 and air join in marriage again after intensive mixing in the gas pipe 11 in gas pipe 11 through air distribution pipe 83, simultaneously through air distribution pipe 84 to mixing gas chamber 802 distribution and being used for combustion-supporting gas, and make the gas, combustible gas and air further intensive mixing form the mist in mixing gas chamber 802, this mist spouts the burning in the burning chamber 801 again, thereby it leads to the problem that can not normally burn in burning kitchen 80 to solve the combustible gas heat value that the gasifier starts the initial stage and produces, prevent that the flue gas from producing, reduce the adverse effect that the rubbish burning produced environment and personnel are healthy.
Optionally, as shown in fig. 2, an air outlet end of the air distribution pipe 83 is communicated with the gas conduit 11, an air inlet end of the air distribution pipe 83 is connected with an air distribution fan 85 for distributing air flow to the air distribution pipe 83, and the air distribution fan 85 is disposed outside the gas conduit 11. A first switch 86 for controlling the on-off of the air distribution pipe 83 is arranged on a pipeline of the air distribution pipe 83 outside the gas guide pipe 11.
Alternatively, as shown in fig. 2, the combustion range 80 further includes a gas supplier (not shown) for supplying gas to the gas distribution pipe 84, and the gas supplier is disposed outside the gas guide pipe 11. The air inlet end of the air distribution pipe 84 is communicated with the gas supplier, and the air outlet end of the air distribution pipe 84 is inserted into the gas guide pipe 11 and then faces the air inlet of the gas mixing chamber 802. A second switch 88 for controlling the on-off of the gas distribution pipe 84 is arranged in a pipeline of the gas distribution pipe 84 outside the gas guide pipe 11. Specifically, the gas supplier is a liquefied gas tank.
Preferably, as shown in fig. 1 and 2, the gas duct 11 is a square pipe, an upper panel of the gas duct 11 is provided with a gas outlet communicated with the gas mixing cavity 802, and a lower panel 112 of the gas duct 11, which is close to the combustion stove 80, is an inclined plate inclined upward along the gas flowing direction. The gas distribution pipe 84 is arranged at the position of the inclined plate and passes through the inclined plate to face the gas outlet on the gas conduit 11. When the lower panel 112 of the gas conduit 11 close to the combustion stove 80 is an inclined plate inclined upwards along the gas flowing direction, the cross-sectional area of the gas conduit 11 can be gradually reduced along the gas flowing direction, so that the flowing speed of the gas is gradually increased, the gas flow in the gas conduit 11 is rapidly flushed into the gas mixing cavity 802, and the mixed gas is prevented from being combusted in the gas conduit 11.
Further, as shown in fig. 2, the gas duct 11 is horizontally disposed. Because the lower panel 112 of the gas conduit 11 close to the combustion stove 80 is an inclined plate which inclines upwards along the gas flowing direction, when the gas conduit 11 is horizontally arranged, a small amount of tar-containing wastewater generated in the process that the combustible gas enters the combustion chamber 801 from the gasification chamber 103 can automatically flow back into the gasification chamber 103 and then is automatically cracked under the high-temperature and oxygen-deficient environment of the gasification chamber 103, so that the tar-containing wastewater cannot be discharged, and the problem of secondary pollution of the environment caused by the tar-containing wastewater discharged by garbage gasification is fundamentally solved. Or the gas guide pipe 11 is gradually inclined upwards from the gasification furnace body to the direction of the combustion stove 80. When the gas conduit 11 is inclined upwards gradually from the gasification furnace body to the combustion stove 80, the problem of secondary pollution to the environment caused by the tar-containing waste water discharged by garbage gasification can be solved fundamentally, and the principle is as described above.
Alternatively, as shown in FIG. 2, the firing end of the combustion chamber 801 faces upward and the end of the combustion chamber 801 disposed opposite the firing end is a closed end. The annular wall of the stove core 81 is provided with a plurality of through gas injection holes, the gas inlet ends of the gas injection holes are communicated with the gas mixing cavity 802, and the gas injection ends of the gas injection holes are communicated with the combustion cavity 801 so as to allow the fully mixed gas in the gas mixing cavity 802 to be injected into the combustion cavity 801 for combustion. The annular wall of the fire spraying end of the combustion cavity 801 is provided with a fire pressing disc 89 which is used for preventing combustion smoke from leaking outwards and promoting the combustion smoke to be fully mixed and combusted with oxygen, and the fire pressing disc 89 is arranged above the stove core 81. The fire spraying end of the combustion cavity 801 is provided with a fire pressing disc 89, so that on one hand, smoke can be prevented from emitting and combustion can be enhanced; on the other hand, under the condition that the amount of combustible gas is less at the initial stage of the gasification reaction or at the end of the gasification reaction, the temperature of the flame pressing plate 89 is very high, and the combustible gas can be ignited again after encountering the flame pressing plate 89 with very high temperature without re-ignition, so that the gasification efficiency and the combustion quality of the combustible gas are improved, and the workload of operators is reduced.
Specifically, the middle of the pressing fire plate 89 is solid, a plurality of circles of fire holes are radially arranged on the periphery of the pressing fire plate 89, and the fire holes are arranged in a staggered mode in the circumferential direction. The pressing fire plate 89 is used for preventing the flue gas to emerge and the reinforcing burning on the one hand, and on the other hand is under the condition that the burning kitchen is flame-out in reinforced process, because of pressing fire plate 89 temperature is very high, combustible gas can ignite burning kitchen 80 again meeting pressing fire plate 89, need not ignite again. In addition, the middle part of the fire pressing plate 89 is solid, so that the mixed gas flow of fuel gas or combustible gas and air can quickly flow to the periphery of the fire pressing plate 89, and the fuel gas or the mixed gas flow can be fully combusted.
Optionally, as shown in fig. 2, the ash outlet end of the gasification chamber 103 is provided with a horizontally arranged and annular support plate 101. The integrated gasification furnace also comprises a gas distribution disc 40 which is arranged on the lower surface of the annular support plate 101 in a sliding way, and the gas distribution disc 40 is used for supporting the materials in the gasification cavity 103 and enabling ash slag generated by the combustion of the materials to continuously pass through and fall into an ash storage box below. The gas panel 40 is in communication with the air distribution fan 85 such that the air flow entering the panel 40 is distributed evenly and dispersedly to the gasification chamber 103 by the panel 40. The utility model discloses a gas distribution plate 40 during operation, on the one hand be used for supporting the material of treating gasification reaction in gasification chamber 103, on the other hand is used for distributing the gasification reaction of material, not only realizes distributing the gasification reaction in gasification chamber 103, guarantees the homogeneity of gasification simultaneously, makes the material be difficult for forming "vacancy", and then improves the stability of system operation and the efficiency of gasification reaction; meanwhile, the gas distribution plate 40 is also used for enabling ash generated by material combustion to continuously pass through and then fall into the ash storage box below, so that the technical problem that the ash is difficult to clean in the gasification process of the gasification furnace is solved, the ash is continuously discharged from the furnace chamber in the gasification reaction process, and the stability of the system in the gasification process is improved.
Alternatively, as shown in fig. 2 and 3, the air distribution plate 40 includes an air distribution pipe network 41 extending below the inner hole of the annular support plate 101, the air distribution pipe network 41 is used for supporting the materials in the gasification cavity 103 and allowing ash slag generated by the combustion of the materials to continuously pass through and fall into the ash storage box, and the air distribution pipe network 41 is communicated with the air distribution fan 85 to introduce air flow into the air distribution pipe network 41. The air distribution pipe network 41 is provided with a plurality of through air distribution holes 401, and the air distribution holes 401 are used for uniformly and dispersedly distributing the air flow introduced into the air distribution pipe network 41 into the gasification cavity 103. The gas distribution pipe network 41 is used for supporting the materials in the gasification cavity 103 in an auxiliary manner, and distributing the gas for the gasification reaction of the materials, so that the air is uniformly and dispersedly distributed into the gasification cavity 103 through the gas distribution holes 401, the uniformity of gasification is ensured, and the gas distribution pipe network 41 is also used for allowing ash generated by material combustion to continuously pass through so as to fall into the ash storage box below the gas distribution plate 40, thereby solving the technical problem that the ash is difficult to clean in the gasification process of the gasification furnace, realizing continuous ash discharge of the furnace cavity in the gasification reaction process, and further improving the stability of the system in the gasification process.
Optionally, as shown in fig. 3, the plurality of gas distribution holes 401 are uniformly distributed on the gas distribution pipe network 41, and the gas distribution direction of each gas distribution hole 401 faces to the material in the gasification cavity 103, so as to further ensure the uniformity of gasification, so that the material is not easy to form "vacancy", thereby improving the stability of the gasification reaction and the efficiency of the gasification reaction; the air distribution direction of each air distribution hole 401 faces to the materials in the gasification cavity 103, so that the air distribution efficiency and the air distribution effect on the materials are further improved.
Further, as shown in fig. 3, the plurality of air distribution holes 401 are arranged in concentric circles, and the air distribution holes 401 of two adjacent concentric circles are arranged in a staggered manner one by one in the circumferential direction, so that the uniformity of gasification is further ensured, the material is not easy to form 'vacant sites', and further the stability of the gasification reaction and the efficiency of the gasification reaction are further improved.
Optionally, as shown in fig. 3, the air distribution pipe network 41 includes a plurality of air distribution pipes 410 arranged in sequence at intervals, and each air distribution pipe 410 is respectively communicated with the air distribution fan 85 to allow air flow to enter the air distribution pipe 410. Each air distribution row tube 410 is provided with a plurality of air distribution holes 401. Compared with the 'plate-type' support of gas distribution box to the material, the utility model discloses in, gas distribution pipe network 41 is including many gas distribution calandria 410 that the interval was laid in proper order, thereby form the "built on the shelf formula" support to the material, it is quicker to be convenient for the air, more fully and more evenly disperse in the material, and then improve gasification cavity 103 gasification reaction's efficiency and quality, more guarantee gasification's homogeneity simultaneously, make the material difficult to form "vacancy", more importantly, the lime-ash that the material burning of being convenient for produced is passed through in order to fall into the ash storage box below by the cavity between the adjacent gas distribution calandria 410, thereby solve the difficult technological problem of clearance furnace chamber of lime-ash in the gasification furnace gasification process, realize the gasification reaction in-process goes out the lime-ash in succession, and then improve the stability of; in addition, the distribution calandria 410 can reduce the weight of the distribution plate compared with the distribution box, and is convenient for improving the convenience of operation.
Preferably, the plurality of air distribution calandria 410 are arranged in sequence in the vertical direction, so that an 'overhead' support for the material is formed more easily, air can be dispersed in the material more quickly, sufficiently and uniformly, and the situation that the air distribution holes 401 are blocked due to the fact that the material is supported on the air distribution calandria 410 can be prevented, and the stability and uniformity of air distribution are improved. Preferably, each air distribution calandria 410 is a corrugated pipe which is arranged in a wave shape in the vertical direction, so that the 'overhead' support for the material is more easily formed, the air is more quickly, sufficiently and uniformly dispersed in the material, meanwhile, the situation that the air distribution holes 401 are blocked due to the fact that the material is supported on the air distribution calandria 410 is prevented, and the stability and uniformity of air distribution are improved. Preferably, the air distribution calandria 410 is a circular tube, and the air distribution direction of the air distribution holes 401 on the air distribution calandria 410 is perpendicular to the air distribution disk 40 toward the material in the gasification cavity 103. Compared with the plate-type support of the gas distribution box for the materials, when the gas distribution calandria 410 is a circular pipe, the contact area with the materials can be reduced, so that the overhead support for the materials is more easily formed, and the air can be more quickly, fully and uniformly dispersed in the materials; in addition, because the reaction temperature in the gasification cavity 103 is very high, compared with the gas distribution plate on the gas distribution box, the gas distribution calandria 410 is less prone to oxidation and deformation due to the fact that the contact area between the gas distribution calandria and the materials is reduced, and the service life of the gas distribution plate can be further prolonged.
Optionally, as shown in fig. 3, the distribution plate 40 further includes a mounting tube 42 for mounting a plurality of distribution rows 410, and the mounting tube 42 is in communication with the air distribution fan 85. The connecting ends of the plurality of air distribution calandria 410 are respectively communicated with the mounting tube 42, and the lengths of the free ends of the plurality of air distribution calandria 410 are different so as to be adapted to the circular inner cavity structure of the gasification cavity 103. Through the installation pipe 42, the air introduced by the air distribution fan 85 can be uniformly dispersed into each air distribution calandria 410, and the uniformity of air distribution of each air distribution calandria 410 is further improved.
Preferably, the free ends of the plurality of air distribution pipes 410 are connected with vent pipes respectively communicated with the plurality of air distribution pipes 410, the vent pipes are arc pipes matched with the circular inner cavity of the gasification cavity 103, and the vent ends of the air distribution pipes 410 are communicated with each other through the vent pipes, so that the uniformity of air distribution along the length direction in the air distribution pipes 410 is improved, and the uniformity of air distribution of the air distribution pipes is further improved.
Optionally, as shown in FIG. 3, the gas panel 40 further includes a supply air duct 43 for introducing air into the mounting tube 42, the supply air duct 43 extending outwardly from the gasification chamber 103. The air inlet end of the air inlet pipe 43 is connected with the air distribution fan 85, and the air outlet end of the air inlet pipe 43 is connected with the installation pipe 42. The air inlet end of the air distribution pipe 83 is communicated with the air inlet pipe 43. The utility model discloses an among the integral type gasifier, a distribution fan 85 is shared to distribution plate 40 and distribution pipe 83, thereby makes the utility model discloses an integral type gasifier simple structure, and the wholeness is good.
Optionally, the gasification furnace body 10 includes a furnace body, the furnace body is a hollow cylinder with an open upper end, the upper open end of the furnace body is provided with a sealing upper cover 15 for sealing the upper open end, and the lower closed end of the furnace body is connected with a plurality of support legs 16 for supporting the furnace body.
The utility model discloses an operation flow of integral type gasifier includes:
step S1: the preparation and inspection before the gasification furnace is started specifically comprises the following steps:
checking connection and functions of each component of the gasification furnace: after the gasifier is installed, whether each joint department of careful inspection connecting tube connects is intact, whether each sealed lid sealed condition is intact, must not have the gas leakage phenomenon, especially the gasification furnace bottom of careful inspection, include:
an access ash discharging door, a sealing upper cover 15 and an access cover;
checking whether the gas distribution plate 40 is installed in place and is flexible to push and pull;
whether the electronic ignition device, the ignition gun and the liquefied gas combustion-supporting ignition device are normal is tried;
checking whether the sealing ring groove is filled with sealing liquid to a sealable position;
and (3) air leakage checking: after the installation is finished, the sealing upper cover 15 and the ash discharging opening cover of the gasification furnace are closed, the air distribution fan 85 is started, whether each joint switch of the pipeline leaks air or not is checked, whether the switch is opened flexibly and reliably or not is checked, if the air leaks air, the pipeline joint switch is reinstalled, the switch is flexible and free, the phenomenon of clamping stagnation or failure cannot occur, and otherwise, the pipeline joint switch is replaced;
preparing materials: the size of the material should be enough to be placed in the gasification cavity 103 and be compact, the material should not be too large to be too long so as to avoid the aerial phenomenon in the gasification cavity, the material should not be mixed with stone, glass, soil block, cement block or metal, etc., the material should be dry, the water content should be less than 20%, if powder material (such as bran, dust, etc.) is used, a part of sawdust, leaves or other fuel with larger volume (such as wood block, fruit core, shell, branch, etc.) should be properly mixed, so as to facilitate the gas to be discharged in the gasification reaction process;
feeding: putting combustible ignition materials such as waste paper or shavings and the like into the bottom of a gasification cavity, adding gasification materials such as leaves, broken wood, broken garbage and the like on the gasification cavity, wherein the height is about 100mm, and adding mixed garbage on the gasification materials until the gasification cavity is filled with the materials;
the gasification material requirement is as follows: the domestic garbage is separated, solid-liquid separation is carried out, impurities such as masonry, glass, soil blocks, cement blocks or metal in the garbage are removed, and large waste paper, plastic, woven bags and the like are crushed.
Step S2: the ignition starting specifically comprises:
closing the upper sealing cover, connecting an electronic ignition rod power supply, or spraying flame into an ignition hole of the gasification furnace by using an ignition gun;
when the electronic ignition rod is used for ignition, the garbage at the bottom in the gasification cavity can be heated in about 1-2 minutes, and when the air distribution fan is turned on, smoke can be generated, which indicates that the ignition is successful; if the flame gun is used for ignition and starting, the smoke is generated in about 15 seconds;
switching on a power supply of an air distribution fan, starting gasification reaction, immediately starting a liquefied gas combustion assisting function of the combustion stove, and starting combustion of flue gas generated at the initial gasification stage in a combustion cavity under the assistance of liquefied gas;
gradually adjusting the air distribution quantity of the air distribution fan within 1-5 minutes, if the quality of the fuel gas is good and the combustion is normal, closing the liquefied gas combustion assisting function, and adjusting the air distribution quantity of the air distribution fan and the fuel gas supply quantity of the fuel gas supply device according to the combustion quality;
step S3: and (3) shutting off fire, wherein after the gasifier is used for a period of time, when the gasification reaction is found to be abnormal and the firepower obviously becomes smaller and has a feeling of ending, the gasification of the materials is basically finished, and the use of the gasifier is stopped by shutting off the fire, and the method specifically comprises the following steps:
turning off the first switch;
turning off the air distribution fan, continuously burning the high-temperature pyrolysis gas in the gasification furnace, and slowly reducing the flame;
after about 10 minutes, the second switch is turned off, if the requirement on environmental protection is high, the liquefied gas combustion-supporting function can be started in the process of turning off the fire, but the liquefied gas is only turned on and off a little, and the liquefied gas is always combusted until the gasifier does not have smoke any more.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An integrated gasification furnace, comprising:
the gasification furnace comprises a gasification furnace body (10) which is supported on a working ground, wherein a gasification cavity (103) which is used for containing materials to be gasified to enable the materials to be gasified to carry out gasification reaction is arranged in the gasification furnace body (10), a gas guide pipe (11) is arranged on the outer side wall of the gasification furnace body (10), and the gas inlet end of the gas guide pipe (11) penetrates through the side wall of the gasification furnace body (10) and then is communicated with the gasification cavity (103) so as to lead out combustible gas generated by the gasification reaction in the gasification cavity (103);
the gas outlet end of the gas guide pipe (11) is connected with a combustion stove (80) used for combusting combustible gas in the gas guide pipe (11), the combustion stove (80) comprises a stove core (81) and an outer stove cylinder (82) which is sleeved outside the stove core (81) and is in a hollow cylinder shape, a cavity between the outer stove cylinder (82) and the stove core (81) forms a combustion cavity (801) for igniting and combusting mixed gas, a gas mixing cavity (802) used for enabling the entering gas to be fully mixed with each other to form the mixed gas is arranged in the stove core (81), and the gas mixing cavity (802) is respectively communicated with the gas guide pipe (11) and the combustion cavity (801);
the combustion stove (80) further comprises an air distribution pipe (83) communicated with the gas guide pipe (11), and the air distribution pipe (83) is used for distributing air flow into the gas guide pipe (11) so that combustible gas in the gas guide pipe (11) flows towards the air mixing cavity (802) under the action of the air flow and is fully mixed in the gas guide pipe (11) and then is distributed into the air mixing cavity (802);
the combustion stove (80) further comprises a gas distribution pipe (84) inserted into the gas guide pipe (11), and the gas distribution pipe (84) is used for distributing combustion-supporting gas into the gas mixing cavity (802) when the quantity of combustible gas in the gas mixing cavity (802) is not enough to support stable combustion, so that the gas, the combustible gas and the air flow are fully mixed in the gas mixing cavity (802) to form mixed gas.
2. The integrated gasification furnace according to claim 1,
the air outlet end of the air distribution pipe (83) is communicated with the fuel gas guide pipe (11), the air inlet end of the air distribution pipe (83) is connected with an air distribution fan (85) used for distributing air flow to the air distribution pipe (83), and the air distribution fan (85) is arranged outside the fuel gas guide pipe (11);
and a pipeline of the air distribution pipe (83) positioned outside the gas guide pipe (11) is provided with a first switch (86) for controlling the on-off of the air distribution pipe (83).
3. The integrated gasification furnace according to claim 1,
the combustion stove (80) further comprises a gas feeder for delivering gas to the gas distribution pipe (84), and the gas feeder is arranged outside the gas guide pipe (11);
the gas inlet end of the gas distribution pipe (84) is communicated with the gas feeder, and the gas outlet end of the gas distribution pipe (84) is inserted into the gas guide pipe (11) and then faces the gas inlet of the gas mixing cavity (802);
and a second switch (88) for controlling the on-off of the gas distribution pipe (84) is arranged on a pipeline of the gas distribution pipe (84) outside the gas guide pipe (11).
4. The integrated gasification furnace according to claim 1,
the gas guide pipe (11) is a square pipe, an upper panel of the gas guide pipe (11) is provided with a gas outlet communicated with the gas mixing cavity (802), and a lower panel (112) of the gas guide pipe (11) close to the combustion stove (80) is an inclined plate which is inclined upwards along the gas flowing direction;
the air distribution pipe (84) is arranged at the position of the inclined plate and passes through the inclined plate to face the air outlet.
5. The integrated gasification furnace according to claim 4,
the gas guide pipe (11) is horizontally arranged; or
The gas guide pipe (11) is gradually and upwards obliquely arranged from the gasification furnace body to the combustion stove (80).
6. The integrated gasification furnace according to claim 1,
the flame-throwing end of the combustion cavity (801) faces upwards, and one end, opposite to the flame-throwing end, of the combustion cavity (801) is a closed end;
a plurality of through gas injection holes are formed in the annular wall of the stove core (81), the gas inlet ends of the gas injection holes are communicated with the gas mixing cavity (802), and the gas injection ends of the gas injection holes are communicated with the combustion cavity (801) so that the mixed gas fully mixed in the gas mixing cavity (802) can be injected into the combustion cavity (801) to be combusted;
the annular wall of the flame-out end of the combustion cavity (801) is provided with a flame pressing disc (89) which is used for preventing combustion smoke from leaking outwards and promoting the combustion smoke to be fully mixed and combusted with oxygen, and the flame pressing disc (89) is arranged above the stove core (81).
7. The integrated gasification furnace according to claim 2,
an annular support plate (101) which is horizontally arranged and annular is arranged at the ash outlet end of the gasification cavity (103);
the integrated gasification furnace also comprises a gas distribution disc (40) which is arranged on the lower surface of the annular support plate (101) in a sliding manner, and the gas distribution disc (40) is used for supporting the materials in the gasification cavity (103) and enabling ash slag generated by the combustion of the materials to continuously pass through and then fall into an ash storage box below;
the air distribution disc (40) is communicated with the air distribution fan (85) so that air flow enters the air distribution disc (40) and then is uniformly and dispersedly distributed into the gasification cavity (103) under the action of the air distribution disc (40).
8. The integrated gasification furnace according to claim 7,
the gas distribution plate (40) comprises a gas distribution pipe network (41) extending into the lower part of the inner hole of the annular support plate (101), the gas distribution pipe network (41) is used for supporting materials in the gasification cavity (103) and enabling ash slag generated by material combustion to continuously pass through and fall into the ash storage box, and the gas distribution pipe network (41) is communicated with the air distribution fan (85) to introduce air flow into the gas distribution pipe network (41);
a plurality of through air distribution holes (401) are processed on the air distribution pipe network (41), and the air distribution holes (401) are used for enabling air flow introduced into the air distribution pipe network (41) to be uniformly and dispersedly distributed to the gasification cavity (103).
9. The integrated gasification furnace according to claim 8,
the air distribution pipe network (41) comprises a plurality of air distribution calandria (410) which are sequentially arranged at intervals, and each air distribution calandria (410) is respectively communicated with the air distribution fan (85) to supply air flow into the air distribution calandria (410);
a plurality of air distribution holes (401) are arranged on each air distribution calandria (410).
10. The integrated gasification furnace according to claim 9,
the plurality of air distribution calandria (410) are arranged in a high-low mode in sequence in the vertical direction;
each air distribution calandria (410) is a corrugated pipe which is arranged in a wave shape in the vertical direction;
the gas distribution calandria (410) is a circular pipe, and the gas distribution direction of the gas distribution holes (401) on the gas distribution calandria (410) is vertical to the gas distribution disc (40) and faces to the materials in the gasification furnace body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395694.1U CN210532380U (en) | 2019-03-27 | 2019-03-27 | Integrated gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395694.1U CN210532380U (en) | 2019-03-27 | 2019-03-27 | Integrated gasification furnace |
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| CN210532380U true CN210532380U (en) | 2020-05-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006048A (en) * | 2019-03-27 | 2019-07-12 | 湖南大学 | Integral type gasification furnace |
| CN115419888A (en) * | 2022-09-06 | 2022-12-02 | 湖北鑫星节能炉具有限公司 | Biomass combustion furnace body structure capable of being heated uniformly |
-
2019
- 2019-03-27 CN CN201920395694.1U patent/CN210532380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006048A (en) * | 2019-03-27 | 2019-07-12 | 湖南大学 | Integral type gasification furnace |
| CN115419888A (en) * | 2022-09-06 | 2022-12-02 | 湖北鑫星节能炉具有限公司 | Biomass combustion furnace body structure capable of being heated uniformly |
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Granted publication date: 20200515 |