CN211625706U - High-efficient living beings hot-blast furnace - Google Patents

High-efficient living beings hot-blast furnace Download PDF

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Publication number
CN211625706U
CN211625706U CN201922210762.5U CN201922210762U CN211625706U CN 211625706 U CN211625706 U CN 211625706U CN 201922210762 U CN201922210762 U CN 201922210762U CN 211625706 U CN211625706 U CN 211625706U
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heat
combustion
heat exchange
air
machine body
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CN201922210762.5U
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叶亚荣
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Xiamen Rongfeng New Energy Technology Co ltd
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Xiamen Rongfeng New Energy Technology Co ltd
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Abstract

The utility model discloses a high-efficient living beings hot-blast furnace, including the organism to and install burner, heat transfer device and the air-blast device on the organism, burner locates the organism is inboard for fully burn the biomass granule, the heat transfer device array is located the organism is inboard, and through the pipeline with burner connects, is used for right the heat that burner burning produced is collected, the air-blast device is located on the organism, be used for to the cold air current of drum income among the heat transfer device. The utility model discloses a the utility model discloses an array sets up the area of contact of thermal-collecting tube in order to have increased thermal-collecting tube and high-temperature gas, and the air current between the adjacent heat transfer device moves towards and adopts the S-shaped design simultaneously to improve the air current of high temperature at heat transfer device' S walking distance and time, have enough time to carry out the heat by the thermal-collecting tube and collect the heat exchange efficiency who has improved the hot-blast furnace with guaranteeing the heat.

Description

High-efficient living beings hot-blast furnace
Technical Field
The utility model relates to a combustion apparatus technical field, in particular to high-efficient living beings hot-blast furnace.
Background
The hot blast stove is the most common energy conversion equipment in people's life or industry, and can convert the chemical energy of conventional energy into heat energy, and the energy is supplied to corresponding equipment in the form of hot blast, and is commonly used for a dryer, a forming machine, heating and the like. Most hot blast stoves adopt coal or gas, so that energy consumption is high and pollution is serious. In view of this, it is proposed to use biomass fuel as a fuel source, collect, crush, dry and shape the biomass, then process the biomass into briquettes with a certain shape, and then place the briquettes in a hot blast stove for combustion, but the existing hot blast stove has low heat exchange efficiency and low energy utilization rate.
In order to improve the heat exchange efficiency and the energy utilization rate, for example, the prior Chinese utility model patent CN201820611893.7, the energy-saving heat exchange structure of the biomass hot blast stove comprises a shell, wherein one side to the other side inside the shell is divided into a biomass combustion area and a heat exchange chamber by a vertical clapboard, the inside of the biomass combustion area is divided into the combustion chamber and an ash deposition chamber by a transverse clapboard from top to bottom, the middle part of the transverse clapboard is provided with a blanking hopper, the top end of the combustion chamber is provided with a first fan, one side of the bottom end of the inner wall of the combustion chamber is provided with an air guide hole communicated with the heat exchange chamber, the top end of the heat exchange chamber is provided with a second fan, S-shaped heat exchange tubes are distributed on the inner wall of the heat exchange chamber, the air inlet end and the air outlet end of the S-shaped heat exchange tubes both penetrate through the shell, the air, the thermal cycle mechanism includes first pipe, the inlet end of first pipe stretches into in the heat transfer chamber and places the top of S type heat exchange tube in, the end department of giving vent to anger of first pipe is fixed and is provided with the air pump, the inlet end of air pump and the end intercommunication of giving vent to anger of first pipe, the end of giving vent to anger of air pump is linked together through the bottom of second pipe with the heat transfer indoor portion, and the second pipe is arranged the tip surface in the heat transfer chamber in and is provided with the exhaust hole, and the exhaust hole is a plurality of. The design can realize the purpose of improving the heat exchange efficiency and the energy utilization rate; however, the final product still can not meet the needs of people, so that the improvement is made, and a high-efficiency biomass hot blast stove is provided.
Disclosure of Invention
The utility model provides a high-efficient living beings hot-blast furnace that comprehensive properties is superior to solve current heat exchange efficiency lower and energy utilization rate lower grade technical problem.
In order to solve the technical problem, the utility model provides a following technical scheme: a high-efficiency biomass hot blast stove comprises a machine body and a combustion device, wherein the combustion device is arranged on the inner side of the machine body and is used for fully combusting biomass particles; the heat exchange devices are arranged on the inner side of the machine body in an array mode, connected with the combustion device through a pipeline and used for collecting and exchanging heat generated by combustion of the combustion device; and the air blowing device is arranged on the machine body and is used for blowing air flow into the heat exchange device so as to timely take out the heat collected by the heat exchange device.
By adopting the technical scheme, when the high-efficiency biomass hot blast stove works, firstly, biomass particles are conveyed to the inner side of the combustion device for full combustion; the hot air flow generated by combustion flows to the heat exchange device through the pipeline for sufficient collection, so that the finally discharged flue gas is discharged at normal temperature. Wherein burner and heat transfer device can give off partial heat to the organism inboard at the during operation, input other will give off partial heat through the inlet port on the organism and take to the air-blowing device this moment, carry the air current to the heat transfer device on with the heat exchanger on the heat exchanger take away to burner after heating output, the hot balloon temperature of inputing like this can reach 900 ℃ to 1100 ℃, is enough to satisfy people's needs. In addition, the combustion device can ensure that the biomass fuel is completely combusted, no black smoke exists during combustion, the environment is protected, the heat generated by combustion is sufficient and recycled by the heat exchange device and the air blowing device, the utilization rate of heat energy is effectively improved, and energy is effectively saved.
In conclusion, the high-efficiency biomass hot-blast stove is not easy to coke when biomass is combusted during working, the fuel is fully combusted, the heat efficiency is high, the operation is simple and convenient, the heat exchange rate of the heat exchange device is high, and the service life is long; and the finally-discharged hot air does not carry clean air of dust and impurities generated by combustion, so that the method is more environment-friendly.
Further, the combustion device comprises a combustion liner for carrying out sufficient combustion; an airflow cover is arranged on the combustion liner; one end of the airflow cover is provided with a high-temperature airflow outlet; the bottom of the combustion liner is provided with an ash removal port, and the ash removal port is provided with an observation hole.
Through adopting above-mentioned technical scheme, burner during operation can observe the living beings benefit burning condition in the burner through the observation hole, carries out appropriate adjustment to improve combustion efficiency, reduce the waste of the energy. And the combustion ash generated after combustion can be cleaned through the ash cleaning port. The combustion device is provided with an airflow cover for preventing heat from being dissipated, and meanwhile, the airflow cover is used for constructing a cavity for secondarily heating hot airflow so as to ensure that the temperature of the airflow meets the requirements of people.
Particularly, through holes are formed in the combustion liner in a circumferential array; and an annular airflow pipe is arranged on the through hole.
Through adopting above-mentioned technical scheme, burner during operation, through carrying out the secondary oxygen suppliment to burning flame, guarantee that living beings granule accomplishes the burning, no black cigarette does benefit to the environmental protection during so burning.
Further, adjacent heat exchange devices are connected through a second pipeline; the number of the heat exchange devices is at least two.
Further, the heat exchange device comprises an exchange box body and a heat collecting pipe; the heat collecting pipe array is arranged on the exchange box body; the exchange box body is provided with a dust removing door for opening and cleaning the gray matter collected on the heat collecting pipe; and a second ash removing port is formed at the bottom of the heat exchange device.
Through adopting above-mentioned technical scheme, heat transfer device sets up the thermal-collecting tube in order to increase the area of contact of heat exchange tube with high-temperature gas through the array at the during operation, and the air current trend between the adjacent heat transfer device adopts the S-shaped design simultaneously to improve high temperature air current at heat transfer device' S walking distance and time, have enough time to be carried out the heat by the thermal-collecting tube in order to guarantee the heat and collect the heat exchange efficiency who has improved the hot-blast furnace. In addition, the heat collecting pipe is cleaned by arranging the openable ash removing door, the problem that the heat exchange pipe of the traditional hot blast stove cannot remove ash is effectively solved, and the heat transfer effect and the heat utilization rate are further improved.
Further, the air blowing device adopts an air blower, and an air inlet of the air blower is connected with the machine body through a third pipeline; and the air outlet of the air blower is connected with the air inlet of the heat exchange device.
Through adopting above-mentioned technical scheme, at the air-blower during operation, outside gas earlier when the organism collects the back through the air-blower drum heat transfer device with the inboard temperature of organism earlier, cools off heat transfer device, and the air current is discharged after through final heating at last, and the great produced heat of burning of having collected of whole process effectively reduces and scatters and disappears, provides the utilization ratio of whole energy.
Furthermore, an air inlet is arranged at the top of the machine body; the machine body is provided with a lifting lug.
Through adopting above-mentioned technical scheme, whole equipment is directly carried through the lug when the transportation, so more convenient and installation.
Compared with the prior art, the utility model has the advantages of it is following:
1) structurally, the annular airflow pipe is arranged on the combustion liner of the combustion device, secondary air is introduced through the annular airflow pipe, complete combustion of biomass fuel is guaranteed, no black smoke is generated during combustion, and environmental protection is facilitated; the combustion liner is observed and deashed by arranging the ash clearing port and the observation hole, so that the combustion efficiency is further improved;
2) structurally, the heat collecting pipes are arranged in an array to increase the contact area between the heat collecting pipes and high-temperature gas, and meanwhile, the air flow direction between adjacent heat exchange devices adopts an S-shaped design to improve the traveling distance and time of high-temperature air flow at the heat exchange devices, so that enough time is ensured for heat to be collected by the heat collecting pipes, and the heat exchange efficiency of the hot blast stove is improved;
3) structurally, the heat collecting pipe is cleaned by arranging the openable ash removing door, so that the problem that the heat exchange pipe of the traditional hot blast stove cannot remove ash is effectively solved, and the heat transfer effect and the heat utilization rate are further improved;
4) structurally, the utility model is provided with air inlet holes, and the air is discharged after passing through the combustion device after being brought into the heat exchange device through the blower device, thus effectively collecting and utilizing the heat conducted from the surfaces of the combustion device and the heat exchange device, avoiding the heat in the furnace body from being lost through conduction, and being beneficial to improving the heat utilization rate;
5) structurally, the multistage heat exchange device is adopted to collect heat, so that the utilization rate of heat energy is improved, and energy is effectively saved;
6) the utility model discloses high-efficient living beings hot-blast furnace is because the difficult coking of living beings burning, the abundant thermal efficiency of pellet fuel burning is high, the heat exchange rate is high, and easy operation, convenience, is suitable for very much to popularize and implement.
Drawings
FIG. 1 is a three-dimensional structural view of an embodiment of the present invention;
FIG. 2 is a schematic view of an inner side structure of a machine body according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a combustion apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a heat exchange device according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Please refer to fig. 1 to 2: a high-efficiency biomass hot blast stove comprises a machine body 1, and a combustion device 2, a heat exchange device 3 and a blast device 4 which are arranged on the machine body. Wherein the body 1 may typically be made of a metallic material such as steel, aluminium or the like. The combustion device 2 is arranged on the inner side of the machine body 1 and is used for fully combusting biomass particles. The heat exchange devices 3 are arranged on the inner side of the machine body 1 in an array mode, connected with the combustion device 2 through pipelines and used for collecting heat generated by combustion of the combustion device 2 and then transmitting the heat to hot air flow. The blowing device 4 is arranged on the machine body 1 and used for blowing cold air flow into the heat exchange device 3 so as to timely take out the heat collected by the heat exchange device 3. The combustion apparatus 2, the heat exchanger 3, and the blower 4 will be described in detail below.
As shown in fig. 2 and 3, the combustion device 2 includes a combustion liner 21 for performing sufficient combustion, wherein the combustion liner 21 is formed by welding a base, a cylindrical barrel and a head, and the base is provided with an air inlet for blowing in combustion-supporting air. The combustion liner 21 is provided with an airflow cover 22 for preventing high temperature on the combustion liner 21 from directly diffusing into air, and simultaneously providing a heating place for secondary heating airflow to ensure that the finally-discharged hot airflow can reach the temperature required by people; one end of the airflow cover 22 is provided with a high-temperature airflow outlet 23 which is used for butting external equipment to blow hot airflow subjected to secondary heating into butting equipment for use; the bottom of the combustion liner 21 is provided with an ash cleaning port 24 for cleaning the residual ash after the biomass is combusted, so as to ensure the normal use of the equipment. An observation hole 25 is arranged above the ash cleaning port 24 and used for observing the condition of biomass combustion in the combustion device 2, and further controlling the flow of biomass concentrate and air blowing.
On the basis of the above-mentioned embodiment, can burn completely in order to guarantee living beings to improve combustion thermal efficiency and reduce the flue gas, the utility model discloses the through-hole has been seted up to cylinder bottom circumference array in the burning inner bag 21 for carry out the secondary oxygen suppliment for flame, in order to guarantee to burn completely. The through hole is provided with a hemispherical annular airflow pipe 211 used for establishing a spherical flow passage for secondary oxygen supply.
As shown in fig. 2 and 3, the heat exchanging device 3 includes an exchanging box 31 and a heat collecting pipe 32. A hollow chamber, in which the exchange box 31 is made of metal, such as steel, welded, for receiving the hot air flow coming out of the burner 2; the heat collecting pipes 32 are arranged on the exchange box body 31 in an array mode, and three heat collecting pipes 32 are adopted to form a group of heat collecting resistors to be arranged on the exchange box body 31 in an array mode, so that the contact area between the heat collecting pipes and high-temperature gas can be effectively increased, and heat in hot air flow can be rapidly absorbed. The ash removal door 33 is arranged on the exchange box body 31 and used for opening and cleaning the ash collected on the heat collection pipe 32 so as to prevent the ash generated by burning from attaching to the heat collection pipe 32 and reducing the heat collection efficiency. The bottom of the heat exchange device 3 is provided with a second ash cleaning port 34 for clearly burning ash.
In the above-mentioned embodiment technique, the utility model discloses in adopt 3 array settings of three heat transfer device (can set up 3~8 in order to realize better conversion), through the pipe connection between adjacent, wherein the position of pipe connection just in time makes 3 stroke S-shaped walking routes of three heat transfer device, so can effectually lengthen the dwell time of air current at heat transfer device 3. Further improving the effective collection of the temperature of the hot gas.
Referring to fig. 1 again, the blower 4 is a blower, and an air inlet of the blower is connected 41 to the machine body 1 through a third pipeline; the air outlet of the blower is connected with the air inlet of the heat exchange device 3; and the top of the machine body 1 is provided with an air inlet 11. During operation outside air gets into the organism inboard through inlet port 11 for lower the temperature to burner 2 and heat transfer device 3, collect the heat of effluvium simultaneously and at last it is inhaled the back with it through the air-blower and is blown into heat transfer device 3 inboard and cool off thermal-collecting tube 32. The arrangement can effectively absorb and utilize all heat released by biomass combustion.
To sum up: when the utility model works, firstly, the biomass particles are conveyed to the inner side of the combustion device 2 for sufficient combustion; the hot air flow generated by combustion flows to the heat exchange device 3 through the pipeline for sufficient collection, so that the finally discharged flue gas is discharged at normal temperature. Wherein burner 2 and heat transfer device 3 can give off partial heat to the organism inboard at the during operation, input other partial heat that will give off through the inlet port on the organism and take to blower 4 this moment, carry the air current to heat transfer device on with the heat exchanger on the heat exchanger take away to burner 2 and export after heating through blower 4, the hot air balloon temperature of input like this can reach 900 degrees centigrade to 1100 degrees centigrade, is enough to satisfy people's needs. In addition, the combustion device can ensure that the biomass fuel is completely combusted, no black smoke exists during combustion, the environment is protected, the heat generated by combustion is sufficient and recycled by the heat exchange device and the air blowing device, the utilization rate of heat energy is effectively improved, and energy is effectively saved.
To sum up, the utility model discloses an array sets up the area of contact of thermal-collecting tube in order to increase thermal-collecting tube and high-temperature gas, and the air current between the adjacent heat transfer device moves towards and adopts the S-shaped design simultaneously to improve the air current of high temperature at heat transfer device' S walking distance and time, have enough time to carry out the heat by the thermal-collecting tube and collect the heat exchange efficiency who has improved the hot-blast furnace with guaranteeing.
It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims (7)

1. The utility model provides a high-efficient living beings hot-blast furnace, includes organism (1), its characterized in that, this high-efficient living beings hot-blast furnace still includes:
the combustion device (2) is arranged on the inner side of the machine body (1) and is used for fully combusting biomass particles;
the heat exchange devices (3) are arranged on the inner side of the machine body (1) in an array mode, are connected with the combustion device (2) through pipelines and are used for collecting and exchanging heat generated by the combustion device (2) in a combustion mode; and
and the blowing device (4) is arranged on the machine body (1) and is used for blowing cold air flow into the heat exchange device (3) so as to timely take out the heat collected by the heat exchange device (3).
2. The high-efficiency biomass hot blast stove according to claim 1, characterized in that the combustion device (2) comprises a combustion liner (21) for full combustion; an airflow cover (22) is arranged on the combustion liner (21); one end of the airflow cover (22) is provided with a high-temperature air flow outlet (23); the bottom of the combustion liner (21) is provided with an ash cleaning port (24); an observation hole (25) is arranged above the ash removing opening (24).
3. The high-efficiency biomass hot blast stove according to claim 2, characterized in that the combustion liner (21) is provided with through holes in a circumferential array; and an annular airflow pipe (211) is arranged on the through hole.
4. The high-efficiency biomass hot blast stove according to claim 1, characterized in that adjacent heat exchange devices (3) are connected through a second pipeline; the number of the heat exchange devices is at least two.
5. The high-efficiency biomass hot blast stove according to claim 1 or 4, characterized in that the heat exchange device (3) comprises an exchange box (31) and a heat collecting pipe (32); the heat collecting pipes (32) are arranged on the exchange box body (31) in an array manner; the exchange box body (31) is provided with an ash cleaning door (33) for opening and cleaning the ash collected on the heat collecting pipe (32); and a second ash removing port (34) is formed at the bottom of the heat exchange device (3).
6. The high-efficiency biomass hot blast stove according to claim 1, characterized in that the air blowing device (4) is a blower, and the air inlet of the blower is connected (41) with the machine body (1) through a third pipeline; and the air outlet of the air blower is connected with the air inlet of the heat exchange device (3).
7. The high-efficiency biomass hot blast stove according to claim 1, characterized in that an air inlet hole (11) is arranged at the top of the machine body (1); the machine body is provided with a lifting lug (12).
CN201922210762.5U 2019-12-11 2019-12-11 High-efficient living beings hot-blast furnace Active CN211625706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922210762.5U CN211625706U (en) 2019-12-11 2019-12-11 High-efficient living beings hot-blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922210762.5U CN211625706U (en) 2019-12-11 2019-12-11 High-efficient living beings hot-blast furnace

Publications (1)

Publication Number Publication Date
CN211625706U true CN211625706U (en) 2020-10-02

Family

ID=72628811

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922210762.5U Active CN211625706U (en) 2019-12-11 2019-12-11 High-efficient living beings hot-blast furnace

Country Status (1)

Country Link
CN (1) CN211625706U (en)

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