CN107676969A

CN107676969A - The new multi-layer temperature-control biomass fuel blast heater to cool

Info

Publication number: CN107676969A
Application number: CN201710913839.8A
Authority: CN
Inventors: 苏明文
Original assignee: 台山市合利生物质科技有限公司
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2018-02-09
Also published as: CN107676969B

Abstract

The present invention relates to the new multi-layer temperature-control biomass fuel blast heater to cool, by being improved to air-heating unit, air is progressively heated by partially or fully heating space, it is capable of the heat of preferably organism-absorbing matter fuel combustion, improves the effective rate of utilization of the heat energy of biomass fuel combustion；And by improving the structure of grate, set up at least two groups of elevating mechanisms, temperature reducing unit, hot blast temperature sensor and multiple air temperature sensor, with reference to current desired hot blast temperature and the detection signal of each temperature sensor input to each valve, each elevating mechanism, the working condition of drive mechanism is controlled, realize the stroke to air heating, the distance between combustion flame and air-heating unit, and the oxygen quantity delivered of burning and the regulation and control of total amount of fuel, realize stage construction temperature control, also there is cooling function, use demand can preferably be met, and can realize also can be so that air be heated to equal temperature using less biomass fuel.

Description

The new multi-layer temperature-control biomass fuel blast heater to cool

Technical field

The present invention relates to a kind of hot-blast stove, more particularly to a kind of new multi-layer temperature-control biomass fuel hot blast to cool Equipment.

Background technology

Hot-blast stove is a kind of the chemical energy of conventional energy resource or electric energy to be converted into heat energy so that energy is supplied in the form of hot blast Corresponding equipment should be given, is usually used in drying machine, dryer, forming machine and heating etc..

Biomass fuel refers to that typically mainly agriculture and forestry organic waste material (such as stalk, is sawed using biological material burning as fuel End, bagasse, rice chaff etc.), and biomass fuel as fuel in use, need using agricultural waste as raw material, and pass through The techniques such as crushing, mixing, extruding and drying, various shapings are manufactured into (such as bulk, graininess etc.), the one kind that can directly burn Novel clean-fuel.

Therefore for the sustainable development of society, the existing fuel for being widely used biomass fuel as hot-blast stove, and make Obtaining biomass fuel can fully burn, and prevent the discharge of biomass fuel tar, had been developed for a kind of life at present Biomass fuel hot-blast stove.But existing biomass fuel hot air stove can not regulate and control to leaving air temp, cause leaving air temp mistake It is hot or too low, use demand can not be met well, and caused heat energy can not abundant quilt after the burning of biomass fuel Heating air is used in, heat energy loss is caused or even waste of fuel can be caused.

The content of the invention

To solve the shortcomings that above-mentioned prior art and deficiency, the invention provides a kind of new multi-layer temperature-control life to cool Biomass fuel blast heater, stage construction regulation and control can be carried out to leaving air temp, and there is cooling function, preferably meet to use need Ask, and improve the effective rate of utilization of the heat energy of biomass fuel combustion, realizing can also make to have leisure using less biomass fuel Gas is heated to equal temperature.

A kind of new multi-layer temperature-control biomass fuel blast heater to cool, including body of heater, inner bag, combustion bin, fuel Storehouse, oxygen supply and air blower；Also include air-heating unit, at least two groups of elevating mechanisms, multiple air temperature sensor, a heat Air temperature sensor and heat control unit；

The body of heater is provided with cold wind import, hot-blast outlet, charging aperture and oxygen feeder；

The inner bag is arranged in the body of heater, and the space between its outer wall and inboard wall of furnace body forms heating chamber；In described The body of heater is penetrated at the top of courage, and offers exhaust opening；

The air-heating unit, combustion bin and Bunker are set gradually from top to bottom, and the air-heating unit bag Include and be provided with multiple air outlets and at least heated shell of an air inlet and multiple heat conducting walls；The air inlet of the heated shell Connected by an air-guiding aisle with the heating chamber, its multiple air outlet is connected by same air-guiding aisle and the hot-blast outlet It is logical, and each air outlet is designed with an air-out valve；The multiple heat conducting wall is staggeredly arranged at intervals at described successively from top to bottom In heated shell, one end of each heat conducting wall is connected with heated shell side inwall, the other end and heated shell opposite side inwall Between space formed interface channel；And the space between every adjacent two heat conducting wall forms a heating space, positioned at top Heat conducting wall and the heat conducting wall heating of space formation one between the inner top surface and inner bottom surface of heated shell respectively positioned at bottommost Space, and connected per adjacent two heating spaces by interface channel between the two；All heating spaces and all interface channels It is collectively forming the air heating passage of only at least one air inlet and multiple air outlets；

The combustion bin is connected by a feed pipe with the charging aperture, and with connecting inside the Bunker inside combustion bin It is logical；

The grate for accepting fuel is provided with the Bunker, the grate includes setting successively from center of circle direction toward circumferencial direction The center pontic for the center of circle structure put and at least one peripheral pontic of loop configuration；The center pontic and the peripheral pontic are total to The center of circle is set, and is surrounded around the center pontic by the center pontic, and the peripheral and described peripheral pontic of center pontic In enclose between be provided with elastic filter；The bottom of the center pontic and the peripheral pontic respectively with two groups of elevating mechanisms Line shaft drive connection, and can by two groups of elevating mechanisms drive and separately or concurrently pump, realize pair The control of the distance between fuel combustion amount and combustion flame and air-heating unit；

The oxygen supply is arranged at the opening of the combustion bin, and its oxygen intake passes through a pipeline and the oxygen feeder Connect, being provided with one in the oxygen feeder enters oxygen valve；

The air blower is arranged at outside body of heater, and its air feed mouth is connected by the cold wind import with the heating chamber；

The multiple air temperature sensor respectively with the multiple air outlet correspond, and be respectively arranged at it is right with it At the air outlet answered, for detecting the air themperature in the heating space where it, and the air temperature signal detected is conveyed To the heat control unit；

The hot blast temperature sensor is arranged at the hot-blast outlet, for detecting current hot blast temperature, and will inspection The hot blast temperature signal measured is delivered to the heat control unit；

The temperature reducing unit is arranged at the hot-blast outlet periphery, and it includes cool housing and an at least cooling machine Structure；The cooling enclosure interior is hollow heat-dissipating cavity, and its left and right sides offers what is connected with the heat-dissipating cavity respectively Hot wind inlet and terminal hot-blast outlet, the hot wind inlet connect with the hot-blast outlet, and are opened at the top of the cooling housing Provided with multiple thermal vias；The thermal vias connects with the heat-dissipating cavity, and each thermal vias is provided with radiating valve；Often One cooling mechanism includes drive mechanism and heat absorption dividing plate；The drive mechanism is arranged at outside the cooling housing；The suction Hot dividing plate one end and the drive mechanism drive connection, the other end is through the cooling housing and can extend into or out the cooling Housing；

The heat control unit includes trigger module and control module；The trigger module be used for input control instruction and Current desired hot blast temperature is set, and is sent to the control module；The control module senses with multiple air themperatures respectively Device, hot blast temperature sensor, two groups of elevating mechanisms, multiple air-out valves, enter oxygen valve and air blast mechatronics, and control and refer to Make, current desired hot blast temperature, each room temperature signal and hot blast temperature signal control two groups of elevating mechanisms, multiple Air-out valve, the working condition for entering oxygen valve and air blower.

Thus, the present invention to air-heating unit by being improved so that it is empty that air can pass through partially or fully heating Between progressively heated, be capable of the heat of preferably organism-absorbing matter fuel combustion, improve the heat energy of biomass fuel combustion Effective rate of utilization；And by improving the structure of grate, setting up at least two groups of elevating mechanisms, temperature reducing unit, hot blast temperature sensor With multiple air temperature sensor, the detection signal inputted with reference to current desired hot blast temperature and each temperature sensor is to each Air-out valve, each elevating mechanism, drive mechanism, each radiating valve and enter the working condition of oxygen valve and be controlled, realize The distance between stroke, combustion flame and air-heating unit to air heating and the oxygen quantity delivered and fuel of burning (e.g., only one group of elevating mechanism of control drives fuel thereon to rise to combustion bin to total amount, i.e. local burnup burns；Control is all Elevating mechanism drives all fuel to rise to combustion bin, i.e., whole fuel combustions) regulation and control, leaving air temp is carried out so as to realize Stage construction regulates and controls, and the control to the intensity of a fire is also realized in another aspect, also with cooling function, can preferably meet to use Demand, and can realize also can be so that air be heated to equal temperature using less biomass fuel.

Further, it is described enter oxygen valve be air flow control valve；The control module is to elevating mechanism, multiple air-out The control of valve, drive mechanism, each radiating valve, the working condition for entering oxygen valve and air blower comprises the following steps：

Step 1：The control instruction sent by trigger module is received, judges whether control instruction is start-up command, is to hold Row step 2, otherwise air blower and each temperature sensor is controlled to be in off-mode；

Step 2：Control air blower, each temperature sensor and each valve are in running status, while continue to control Instruction is handled, and obtains current desired hot blast temperature；

Step 3：The hot blast temperature signal sent by hot blast temperature sensor is received, and hot blast temperature signal transacting is obtained Current hot blast temperature；

Step 4：Temperature gap between hot blast temperature needed for calculating and current hot blast temperature；If temperature gap is zero, Then keep elevating mechanism and the current working condition of each valve；If temperature gap is negative value, step 5 is performed；Otherwise, such as Fruit temperature gap is on the occasion of performing step 6 and step 7 successively；

Step 5：The air temperature signal sent by each air borne sensor is received, and respectively to each air temperature signal Processing obtains the current air temperature in the heating space where each air borne sensor, calculate respectively needed for hot blast temperature with it is each The difference of current air temperature；It is zero if there is a difference, then opens the outlet valve at the air outlet in corresponding heating space Door, and control the air-out valve at other air outlets for heating spaces to close；If all differences are negative value, described in control Air blower it is out of service and it is described enter oxygen valve close, and the absolute value of C.T difference with it is default cool threshold value it is big Small, if the absolute value of temperature gap is more than default cooling threshold value, control drive mechanism driving heat absorption dividing plate is fully inserted into In the cooling housing, while control all radiating valve openings；Otherwise, drive mechanism driving heat absorption dividing plate is controlled to stretch out cooling In housing, while control all or part of radiating valve opening；

Step 6：The air temperature signal sent by each air borne sensor is received, and respectively to each air temperature signal Processing obtains the current air temperature for heating space where each air borne sensor, obtains a current air temperature highest and adds Heat space；The unlatching of the air-out valve at the air outlet in current air temperature highest heating space is controlled, and is controlled other Air-out valve is closed；

Step 7：Call the control data table to prestore；The control data table is preserved temperature gap and adjustable height and entered Oxygen amount relation, and the relation of temperature gap and oxygen feeding amount；C.T difference and the size of default temperature difference threshold, if temperature Difference is less than temperature difference threshold, then enters according to the Relation acquisition in control data table between temperature gap and oxygen feeding amount is current desired Oxygen amount value, and controlled according to the oxygen feeding amount value into oxygen valve；If temperature gap is more than temperature difference threshold, according to control data table The current desired fuel height of Relation acquisition between middle temperature gap and adjustable height and oxygen feeding amount and amount of oxygen, and according to this Fuel height and amount of oxygen control two groups of elevating mechanisms and enter oxygen valve respectively.

By above-mentioned rate-determining steps, be advantageous to according to actually removing regulating and controlling temperature, and it is real according to multiple air temperature sensor Now the air themperature in multiple heating spaces of air-heating unit is detected, and goes to control unlatching or the pass of corresponding air-out valve Close, so as to the more convenient quick regulation and control realized in several cases to current hot blast temperature；In combination with control elevating mechanism With enter oxygen valve, realize the quick regulation and control of larger range of hot blast temperature --- rise temperature and reduce temperature, can more meet reality Border use demand.

Further, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes being provided with recovery entrance Waste residue accumulator tank；And the lower portion of furnace body offers fire door；The waste residue accumulator tank is arranged in the body of heater, and position Below the grate, it reclaims entrance face towards the grate, and it can be extend out to outside body of heater from the fire door.Pass through this Place limits, the convenient recovery to caused waste residue after biomass fuel combustion so that the cleaning of body of heater more aspect, reduces cleaning Burden.

Further, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also include two recovery slide rails and Two assembly pulleys；The two recovery slide rail is relatively arranged on the inwall opposite sides of the body of heater, and two assembly pulley is set respectively In the outer wall opposite sides of the waste residue accumulator tank；The waste residue accumulator tank is arranged at two recovery by two assembly pulley Between slide rail, and the reciprocating motion outside fire door and entered in body of heater can be extend out to along two recovery slide rails.By limiting herein, Further facilitated waste residue accumulator tank is removed and placed into operation, so as to reduce work burden.

Further, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes heated barrier；Institute State heated barrier to be set up between the exhaust opening and the air-heating unit, and it offers multiple exhaust smoke holes, Mei Yipai A smoke evacuation one-way cock is provided with cigarette hole；It is all smoke evacuation one-way cocks electrically connected with the control module, by control module according to Default its opening and closing of smoke evacuation time interval controls；And the inner bag is divided into above heated barrier by heated barrier The smoke evacuation section and insulation section below heated barrier；All smoke evacuation one-way cocks of control module control are closed When, the heated barrier cut-off smoke evacuation section and insulation section, insulation section is closed section；The control module control is at least When one smoke evacuation one-way cock is opened, the smoke evacuation section connects with soak zones, and insulation section is open section.By limiting herein It is fixed, be advantageous to the heating shell using high-temperature flue gas caused by burning further to air-heating unit and heat, so as to enter One step lifts the utilization to heat energy caused by biomass fuel combustion, further reduces fuel consumption.

Further, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes air exhauster；It is described Air exhauster is arranged at the exhaust opening.By limiting herein, be advantageous to accelerate the discharge of flue gas caused by burning, avoid flue gas Excessive overrich and influence to burn.

Further, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes a gas cleaning list Member；The gas cleaning unit is arranged between the air exhauster and the air-heating unit.By limiting herein, be advantageous to After flue gas purifies caused by biomass fuel combustion, it is then exhausted to outdoor, reduces the pollution to environment.

Further, the wall of the air-guiding aisle between the air outlet of the air-heating unit and body of heater hot-blast outlet includes Heat-insulation layer, vacuum layer and the heat-insulation layer inside set gradually outward.By limiting herein, the air after by heating is advantageously ensured that During being sent to outside hot-blast outlet, the loss of atmospheric heat is reduced.

Further, the heated shell of the air-heating unit is provided with two air inlets；Two air inlet is relatively arranged on One positioned at top heats the opposite sides in space, and is connected respectively by an air-guiding aisle with the heating chamber；It is described more Individual air outlet is respectively arranged at the side in other heating spaces in addition to most pushing up two layers of heating space.By limiting herein, no The air capacity for flowing into air-heating unit is only advantageously ensured that, also, because hot-air rises, cold air sinks, and air adds The bottom of hot cell has higher temperature, that is, every layer of heating space of air-heating unit is all tool closer to burning things which may cause a fire disaster There is different air themperatures, and air inlet and multiple air outlets are setting up and down, are so advantageous to the cold sky entered from air inlet Gas exports after quickly can sinking to being heated from one or more air outlets, also can export different temperatures beneficial to air-heating unit A variety of air.

Further, the cold wind import and the hot-blast outlet are relatively arranged on the bottom opposite sides of the body of heater.It is logical Cross and limit herein, be advantageous to improve the interactive speed between hot-air and cold air.

In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.

Brief description of the drawings

Fig. 1 is the cross section structure diagram of the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention；

Fig. 2 is the section view of the air-heating unit of the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention Structural representation；

Fig. 3 is the overlooking the structure diagram of the grate of the present invention；

Fig. 4 is the front view structure perspective diagram of the grate of the present invention；

Fig. 5 is that the center pontic of the grate of the present invention rises and peripheral bridge body is located at the grate structural representation of elemental height Figure；

Fig. 6 is that the grate perspective structure of the center pontic and peripheral pontic of the grate of present invention when rising to identical height shows It is intended to；

Fig. 7 is the center pontic of the grate of the present invention and grate structural representation when peripheral pontic rises to different height Figure；

Fig. 8 is initial position of the temperature reducing unit in its dividing plate that absorbs heat of the present invention, i.e., is not to stretch into when in cooling housing Cross section structure diagram；

Fig. 9 is sectional structure signal of the temperature reducing unit of the present invention when its dividing plate that absorbs heat is fully inserted into cooling housing Figure；

Figure 10 is when the new multi-layer temperature-control bio-fuel blast heater to cool in Fig. 1 is contained with biomass fuel Structural representation；

Figure 11 is during the elevating mechanism 81 of the new multi-layer temperature-control biomass fuel blast heater to cool in Fig. 1 controls Heart pontic and drive biomass fuel rise after schematic diagram；

Figure 12 is the knot after the new multi-layer temperature-control biomass fuel blast heater to cool in Figure 11 further improves Structure schematic diagram.

Embodiment

It is to be appreciated that in the description of the invention, unless otherwise indicated, " multiple " be meant that two or two with On.

Referring to Fig. 1, the invention provides a kind of new multi-layer temperature-control biomass fuel blast heater to cool, it is wrapped Include body of heater 1, inner bag 2, combustion bin 3, Bunker 4, oxygen supply 5, air blower 6, air-heating unit 7, elevating mechanism 8, Duo Gekong Gas temperature sensor W, a hot blast sensor 9 and heat control unit.In the present embodiment, provided with two groups of elevating mechanism (81 Hes 82), every group of elevating mechanism may include one or more elevating mechanisms.

The body of heater 1 is provided with cold wind import 11, hot-blast outlet 12, charging aperture 13 and oxygen feeder 14.

The inner bag 2 is arranged in the body of heater 1, and the space between its outer wall and the inwall of body of heater 1 forms heating chamber A；Institute State the top of inner bag 2 and penetrate the body of heater 1, and offer exhaust opening 21.

Please refer to Fig. 1 and Fig. 2, the air-heating unit 7, combustion bin 3 and Bunker 4 are set successively from top to bottom Put, and the air-heating unit 7 includes heated shell 71, Yi Jiduo provided with multiple air outlets 711 and an at least air inlet Individual heat conducting wall 72.The air inlet of the heated shell 71 is connected by an air-guiding aisle with the heating chamber A, its multiple air outlet 711 are connected by same air-guiding aisle D1 with the hot-blast outlet 12, and each air outlet is designed with an air-out valve.It is described more Individual heat conducting wall 72 is staggeredly arranged at intervals in the heated shell 71 successively from top to bottom, one end and the heating shell of each heat conducting wall The side inwall connection of body 71, the space between the other end and the opposite side inwall of heated shell 71 forms interface channel；And per adjacent Space between two heat conducting walls forms a heating space, the heat conducting wall positioned at top and the heat conducting wall positioned at bottommost respectively with Space between the inner top surface and inner bottom surface of heated shell 71 forms a heating space, and passes through both per adjacent two heating spaces Between interface channel connection.Thus it is all heating space and all interface channels be collectively forming only at least one air inlet and The air heating passage of multiple air outlets 711.

The combustion bin 3 is connected by a feed pipe D4 with the charging aperture 13, and the inside of combustion bin 3 and the Bunker 4 inside connect.

The grate 41 for accepting fuel is provided with the Bunker 4, please refer to Fig. 3~8, the grate 41 is included from circle The center pontic 411 for the center of circle structure that heart direction is set gradually toward circumferencial direction and at least the one of loop configuration peripheral pontic 412. In the present embodiment, the quantity of peripheral pontic 412 is 1.The center pontic 411 and the 412 concyclic heart of the peripheral pontic are set, And surrounded around the center pontic 411 by the center pontic 411, and the peripheral and described peripheral pontic of center pontic 411 Elastic filter is provided between being enclosed in 412, thus when two pontics are in different height, can also be kept away by elastic filter Exempt from dropping for fuel in uphill process.The bottom of the center pontic 411 and the peripheral pontic 412 respectively with two groups of liters The line shaft drive connection of descending mechanism (81 and 82), and can by two groups of elevating mechanisms (81 and 82) drive and separately or concurrently Pump, realize the control to the distance between fuel combustion amount and combustion flame and air-heating unit.It is central The elevating mechanism 81 of the bottom of heart pontic 411 and the elevating mechanism 82 of the bottom of peripheral pontic 412 are in original state, center pontic 411 and peripheral pontic 412 be located at minimum altitude, as shown in Figure 3；When the elevating mechanism 81 of the bottom of center pontic 411 drives center Pontic 411 rises, and when the elevating mechanism 82 of the bottom of peripheral pontic 412 does not drive the peripheral pontic 412 to rise, only center pontic The fuel of 411 top surfaces can rise and close air-heating unit 7, as shown in Figure 5；When simultaneously two groups of elevating mechanisms 81 and 82 drive When center pontic 411 and peripheral pontic 412 rise to extreme higher position, the structure of grate 41 is as shown in Figure 6；When two groups of elevating mechanisms When 81 and 82 driving center pontics 411 and peripheral pontic 412 rise to different height, the structure of grate is as shown in Figure 7.

The oxygen supply 5 is arranged at the opening of the combustion bin 3, and its oxygen intake by a pipeline D5 with it is described enter Oxygen mouth 14 connects, and being provided with one in the oxygen feeder 14 enters oxygen valve.

The air blower 6 is arranged at outside body of heater 1, and its air feed mouth is connected by the cold wind import 11 and the heating chamber A It is logical.

The multiple air temperature sensor W corresponds with the multiple air outlet 711 respectively, and be respectively arranged at At its corresponding air outlet, for the air themperature in the heating space where detector, and the air temperature signal that will be detected It is delivered to the heat control unit.

The hot blast temperature sensor 9 is arranged at the hot-blast outlet 12, for detecting current hot blast temperature, and will The hot blast temperature signal detected is delivered to the heat control unit.

Fig. 1, Fig. 8 and Fig. 9 are referred to, the temperature reducing unit 40 is arranged at the periphery of hot-blast outlet 12, and it includes cooling Housing 401 and at least a cooling mechanism；The inside of cooling housing 401 is hollow heat-dissipating cavity, its left and right sides point The hot wind inlet 402 connected with the heat-dissipating cavity and terminal hot-blast outlet 403, the hot wind inlet 402 and institute are not offered State hot-blast outlet 12 to connect, and the top of the cooling housing 401 offers multiple thermal vias 404；The thermal vias with The heat-dissipating cavity connection, and each thermal vias is provided with radiating valve.Each cooling mechanism includes the He of drive mechanism 405 Absorb heat dividing plate 406；The drive mechanism 405 is arranged at outside the cooling housing 401；It is described heat absorption the one end of dividing plate 406 with it is described The drive connection of drive mechanism 405, the other end is through the cooling housing 401 and can extend into or out the cooling housing 401. In the present embodiment, the temperature reducing unit 40 includes the cooling mechanism of structure identical two (40A and 40B).

The heat control unit includes trigger module and control module；The trigger module be used for input control instruction and Current desired hot blast temperature is set, and is sent to the control module.The control module senses with multiple air themperatures respectively Device W1, hot blast temperature sensor 9, elevating mechanism 8, each drive mechanism 405, it is each radiating valve, enter oxygen valve and air blower 6 Electrical connection；The control module is according to control instruction, current desired hot blast temperature, each room temperature signal and hot blast temperature Signal controls the elevating mechanism 8, multiple air-out valves, each drive mechanism 405, each radiating valve, enters oxygen valve and drum The working condition of blower fan 6.

In the present embodiment, in order to improve to hot blast temperature regulation and control it is intelligent, it is preferable that it is described enter oxygen valve be air Flow control valve.

Thus, during work, air blower 6 starts, it is necessary to which the air outlet of the cold air heated from air blower 6 enters heating chamber In A, cold air is gradually increasing after heating chamber A heating and entered from the air inlet of air-guiding aisle and heated shell 71 described In air-heating unit 7, and the heat of passage draw air heating passage and the heat of each heat conducting wall, shape are heated along air Into hot-air；Hot-blast outlet 12 is flowed out to from any air outlet and air-guiding aisle D1 of air-heating unit 7 immediately, realizes hot blast Output.In this course of work, the control module is to two groups of elevating mechanisms 81 and 82, multiple air-out valves, each driving The control of mechanism 405, each radiating valve, the working condition for entering oxygen valve and air blower 6 comprises the following steps：

Step 1：The control instruction sent by trigger module is received, judges whether control instruction is start-up command, is to hold Row step 2, otherwise air blower and each temperature sensor is controlled to be in off-mode；Wherein, current desired hot blast temperature is logical Trigger module input is crossed, and trigger module can be made up of control button and display screen or touch-screen, is using When, hot blast temperature of the start-up command simultaneously with needs can be keyed in by human hand；, can when this blast heater need not be used To key in shutdown command by human hand, control module can control this blast heater to close；

Step 2：Control air blower 6, each temperature sensor and each valve are in running status, while continue to control Instruction is handled, and obtains current desired hot blast temperature；

Step 3：The hot blast temperature signal sent by hot blast temperature sensor 9 is received, and hot blast temperature signal transacting is obtained To current hot blast temperature；

Step 5：The air temperature signal sent by each air borne sensor is received, and respectively to each air temperature signal Processing obtains the current air temperature in the heating space where each air borne sensor, calculate respectively needed for hot blast temperature with it is each The difference of current air temperature；It is zero if there is a difference, then opens the outlet valve at the air outlet in corresponding heating space Door, and control the air-out valve at other air outlets for heating spaces to close；If all differences are negative value, described in control Air blower it is out of service and it is described enter oxygen valve close, and the absolute value of C.T difference with it is default cool threshold value it is big It is small, if the absolute value of temperature gap is more than default cooling threshold value, control each driving of drive mechanism 405 heat absorption dividing plate 406 are fully inserted into the cooling housing 401, as shown in figure 3, controlling all radiating valve openings simultaneously；Otherwise, control each The driving heat absorption dividing plate 406 of drive mechanism 405 is stretched out in cooling housing 401, as shown in Fig. 2 controlling all or part of radiating simultaneously Valve opening；Thus, the hot-air in temperature reducing unit 40 is made to carry out heat exchange with extraneous air by radiating valve opening, from And the air themperature in temperature reducing unit 40 is reduced, realize cooling；

Step 7：Call the control data table to prestore；The control data table is preserved temperature gap and adjustable height and entered Oxygen amount relation, and the relation of temperature gap and oxygen feeding amount；C.T difference and the size of default temperature difference threshold, if temperature Difference is less than temperature difference threshold, then enters according to the Relation acquisition in control data table between temperature gap and oxygen feeding amount is current desired Oxygen amount value, and controlled according to the oxygen feeding amount value into oxygen valve；If temperature gap is more than temperature difference threshold, according to control data table The current desired fuel height of Relation acquisition between middle temperature gap and adjustable height and oxygen feeding amount and amount of oxygen, and according to this Fuel height and amount of oxygen control two groups of elevating mechanisms 81 and 82 and enter oxygen valve respectively.Wherein, control data table is according to big What the experimental data of amount obtained, similar to such, institute after mass data statistics and repeatedly adjustment that builds up process of grader , its technological means specifically obtained is identical with prior art means, herein without repeating.

In above-mentioned steps, the process for controlling two groups of elevating mechanisms 81 and 82 to be acted control module below is shown Meaning explanation, when temperature gap is negative value, represent that current hot blast temperature is higher than required hot blast temperature, then control module control is all Elevating mechanism 81 and 82 drops to extreme lower position, namely opening position as shown in Figure 10；And when temperature gap be on the occasion of when, judge Whether temperature gap is more than first threshold, is, needs to control two groups of elevating mechanisms 81 and 82 by calling control data table to determine Carry out stretching out motion and driving the fuel on center pontic 411 and peripheral pontic 412 to rise to certain height simultaneously, to cause Air-heating unit 7 is more nearly thermal source and increase fuel combustion total amount, control module two groups of elevating mechanisms 81 and 82 of control Line shaft is run to certain height according to the current stroke that stretches out, and drives fuel to rise；If temperature gap be on the occasion of and Judge that temperature gap is less than first threshold, then only control elevating mechanism 81 to drive center pontic 411 to rise to certain height, such as Opening position shown in Figure 11.Wherein, that " currently stretches out stroke " is obtained by inquiring about what control data table obtained.

To ensure to flow into the air capacity of air-heating unit 7, as a kind of more excellent technical scheme, please continue to refer to Fig. 1 With 2, the heated shell 71 of the air-heating unit 7 is provided with two air inlets (712 and 713).Two air inlets (712 Hes 713) it is relatively arranged on and heats the opposite sides of space B 1 positioned at the one of top, and is led to respectively by air-guiding aisle D2 and wind-guiding Road D3 connects with heating chamber A；The multiple air outlet 711 is respectively arranged at other heating in addition to top two heats space The side in space.Because hot-air rises, cold air sinks, and the bottom of air-heating unit 7 has more closer to burning things which may cause a fire disaster High temperature, that is, every layer of heating space of air-heating unit is all to have different air themperatures, and two air inlets (712 and 713) and multiple air outlets 711 are setting up and down, are so advantageous to quickly sink from the cold air that air inlet enters Exported after heated from one or more air outlets, a variety of air of different temperatures can be also exported beneficial to air-heating unit.It is excellent Selection of land, the multiple heat conducting wall 72 are arranged in parallel.

To improve the interactive speed between hot-air and cold air, it is preferable that referring to Fig. 1, the He of the cold wind import 11 The hot-blast outlet 12 is relatively arranged on the bottom opposite sides of the body of heater 1.

Further, to ensure during the air after by heating is sent to outside hot-blast outlet 12, reduction atmospheric heat Loss, as a kind of more excellent technical scheme, the air outlet 711 and the hot-blast outlet 12 of body of heater 1 of the air-heating unit 7 it Between air-guiding aisle D1 wall include interior heat-insulation layer, vacuum layer and the heat-insulation layer set gradually outward.

For the benefit of the heating shell using high-temperature flue gas caused by burning further to air-heating unit 7 heats, So as to further lift the utilization to heat energy caused by biomass fuel combustion, fuel consumption is further reduced, as one kind more Excellent technical scheme, refers to Figure 12, and the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes adding Hot dividing plate 10；The heated barrier 10 is set up between the exhaust opening 21 and the air-heating unit 7, and its offer it is more Individual exhaust smoke hole 101, a smoke evacuation one-way cock is provided with each exhaust smoke hole；All smoke evacuation one-way cocks are electrically connected with the control module Connect, by control module according to default its opening and closing of smoke evacuation time interval controls；And the inner bag 2 is drawn by heated barrier 10 It is divided into positioned at the smoke evacuation section of the top of heated barrier 10 and positioned at the insulation section of the lower section of heated barrier 10；The control module control When making all smoke evacuation one-way cocks closings, the heated barrier 10 separates smoke evacuation section and insulation section, and it is closed to be incubated section Section；When the smoke evacuation one-way cock of control module control at least one is opened, the smoke evacuation section connects with soak zones, is incubated Section is open section.Wherein, it is default smoke evacuation time interval can be obtained from actual experiment, that is, based on the present invention it is new can The multi-layer temperature-control biomass fuel blast heater of cooling, test and drawn in combustion, in the regular hour of burning not Being discharged fume will not also impact to burning, and being burned to a time can cause combustion efficiency bad without smoke evacuation, then The smoke evacuation time interval is that can also be taken after burning without discharging fume without the burn time duration threshold value impacted to burning Less than other values of the threshold value, therefore the smoke evacuation time interval occurrence is not limited in the present embodiment.

For convenience of the recovery to caused waste residue after biomass fuel combustion so that the cleaning of body of heater 1 more aspect, reduce Cleaning burden, as a kind of more excellent technical scheme, please continue to refer to Figure 12, the new multi-layer temperature-control biology to cool of the present invention Matter fuel blast heater also includes the waste residue accumulator tank for being provided with recovery entrance；And the bottom of body of heater 1 offers fire door 15, A fire door is provided with the fire door 15.The waste residue accumulator tank is arranged in the body of heater 1, and under the grate 41 Side, it reclaims entrance face towards the grate 41, and it can be extend out to outside body of heater 1 from the fire door 15.

To further facilitate the operation that is removed and placed into of waste residue accumulator tank, work burden is reduced, as a kind of more excellent skill Art scheme, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also include two recovery slide rails and two pulleys Group；The two recovery slide rail is relatively arranged on the inwall opposite sides of the body of heater 1, and two assembly pulley is respectively arranged at described The outer wall opposite sides of waste residue accumulator tank；The waste residue accumulator tank by two assembly pulley be arranged at it is described two recovery slide rail it Between, and can be extend out to along two recovery slide rails outside fire door 15 and enter to the reciprocating motion in body of heater 1.

To accelerate the discharge of flue gas caused by burning, avoid the excessive overrich of flue gas and influence to burn, as a kind of more excellent Technical scheme, refers to Figure 12, and the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention also includes air exhauster 20；The air exhauster 20 is arranged at the exhaust opening 21.

After being advantageous to flue gas purifies caused by biomass fuel combustion, it is then exhausted to outdoor, reduces to environment Pollution, as a kind of more excellent technical scheme, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention is also Including a gas cleaning unit 30；The gas cleaning unit 30 is arranged at the air exhauster 20 and the air-heating unit 7 Between.And based on the scheme after being additionally arranged heated barrier 10, the new multi-layer temperature-control biomass fuel blast heater to cool, The gas cleaning unit 30 is arranged between the air exhauster 20 and heated barrier 10, as shown in figure 12.

In the present embodiment, each elevating mechanism 8 and each drive mechanism be electric pushrod or electric cylinder or it is other can To carry out the drive mechanism of linear reciprocating motion.Wherein, the quantity of elevating mechanism can be set according to actual use demand, can To be worked asynchronously with multiple elevating mechanisms, the weight of fuel and grate 41 is born jointly, sharing for heavy burden is realized, improves motion Stability and the service life for extending elevating mechanism.

Relative to prior art, the new multi-layer temperature-control biomass fuel blast heater to cool of the present invention passes through to air Heating unit is improved so that air can pass through partially or fully heating space and progressively be heated, and can preferably absorb The heat of biomass fuel combustion, improve the effective rate of utilization of the heat energy of biomass fuel combustion；And by improving the knot of grate Structure, set up at least two groups of elevating mechanisms, temperature reducing unit, hot blast temperature sensor and multiple air temperature sensor, with reference to current Required hot blast temperature and the detection signal of each temperature sensor input are to each air-out valve, each elevating mechanism, driving machine Structure, each radiating valve and enter the working condition of oxygen valve and be controlled, realize the stroke to air heating, combustion flame with it is empty (e.g., only one group of elevating mechanism of control drives the oxygen quantity delivered and total amount of fuel of the distance between gas heating unit and burning Fuel thereon rises to combustion bin, i.e. local burnup burns；All elevating mechanisms are controlled to drive all fuel to rise to burning Storehouse, i.e., whole fuel combustions) regulation and control, stage construction regulation and control are carried out to leaving air temp so as to realize, it is also real in another aspect It now to the control of the intensity of a fire, also with cooling function, can preferably meet use demand, and can realize and utilize less biomass Fuel also can cause air to be heated to equal temperature.

Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.

Claims

1. a kind of new multi-layer temperature-control biomass fuel blast heater to cool, including body of heater, inner bag, combustion bin, Bunker, Oxygen supply and air blower, it is characterised in that：Also include air-heating unit, at least two groups of elevating mechanisms, multiple air themperatures to pass Sensor, a hot blast temperature sensor, temperature reducing unit and heat control unit；

The inner bag is arranged in the body of heater, and the space between its outer wall and inboard wall of furnace body forms heating chamber；The inner bag top Portion penetrates the body of heater, and offers exhaust opening；

The air-heating unit, combustion bin and Bunker are set gradually from top to bottom, and the air-heating unit includes setting There are multiple air outlets and at least heated shell of an air inlet and multiple heat conducting walls；The air inlet of the heated shell passes through One air-guiding aisle is connected with the heating chamber, and its multiple air outlet is connected by same air-guiding aisle with the hot-blast outlet, and Each air outlet is designed with an air-out valve；The multiple heat conducting wall is staggeredly arranged at intervals at the heating shell successively from top to bottom In vivo, one end of each heat conducting wall is connected with heated shell side inwall, between the other end and heated shell opposite side inwall Space forms interface channel；And the space between every adjacent two heat conducting wall forms a heating space, positioned at the heat conducting wall of top And space between the inner top surface and inner bottom surface of heated shell forms a heating space respectively positioned at the heat conducting wall of bottommost, and Connected per adjacent two heating spaces by interface channel between the two；All heating spaces and all interface channels are collectively forming The air of only at least one air inlet and multiple air outlets heats passage；

The combustion bin is connected by a feed pipe with the charging aperture, and with being connected inside the Bunker inside combustion bin；

The grate for accepting fuel is provided with the Bunker, the grate includes what is set gradually from center of circle direction toward circumferencial direction The center pontic of center of circle structure and at least one peripheral pontic of loop configuration；The center pontic and the concyclic heart of peripheral pontic Set, and surrounded around the center pontic by the center pontic, and the peripheral and described peripheral pontic of center pontic is interior Elastic filter is provided between enclosing；The bottom of the center pontic and the peripheral pontic is dynamic with two groups of elevating mechanisms respectively Power axle drive connection, and can be driven by two groups of elevating mechanisms and separately or concurrently pumped, realize to fuel The control of the distance between quantity combusted and combustion flame and air-heating unit；

The oxygen supply is arranged at the opening of the combustion bin, and its oxygen intake is connected by a pipeline and the oxygen feeder It is logical, it is provided with one in the oxygen feeder and enters oxygen valve；

The multiple air temperature sensor corresponds with the multiple air outlet respectively, and is respectively arranged at corresponding At air outlet, for detecting the air themperature in the heating space where it, and the air temperature signal detected is delivered to institute State heat control unit；

The hot blast temperature sensor is arranged at the hot-blast outlet, for detecting current hot blast temperature, and will be detected Hot blast temperature signal be delivered to the heat control unit；

The temperature reducing unit is arranged at the hot-blast outlet periphery, and it includes cool housing and an at least cooling mechanism；Institute It is hollow heat-dissipating cavity to state cooling enclosure interior, and its left and right sides offers the hot blast connected with the heat-dissipating cavity and entered respectively Mouth and terminal hot-blast outlet, the hot wind inlet connect with the hot-blast outlet, and are offered at the top of the cooling housing more Individual thermal vias；The thermal vias connects with the heat-dissipating cavity, and each thermal vias is provided with radiating valve；Each cooling Cooling mechanism includes drive mechanism and heat absorption dividing plate；The drive mechanism is arranged at outside the cooling housing；The heat absorption dividing plate One end and the drive mechanism drive connection, the other end is through the cooling housing and can extend into or out the cooling housing；

The heat control unit includes trigger module and control module；The trigger module is used to input control instruction and setting Current desired hot blast temperature, and send to the control module；The control module respectively with multiple air temperature sensor, heat Air temperature sensor, two groups of elevating mechanisms, multiple air-out valves, drive mechanism, it is each radiating valve, enter oxygen valve and air blast Mechatronics, and controlled according to control instruction, current desired hot blast temperature, each room temperature signal and hot blast temperature signal Two groups of elevating mechanisms, multiple air-out valves, drive mechanism, each radiating valve, the work shape for entering oxygen valve and air blower State.

2. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1, it is characterised in that：Institute It is air flow control valve to state into oxygen valve；The control module is to two groups of elevating mechanisms, multiple air-out valves, driving machine The control of structure, each radiating valve, the working condition for entering oxygen valve and air blower comprises the following steps：

Step 1：The control instruction sent by trigger module is received, judges whether control instruction is start-up command, is then to perform step Rapid 2, otherwise control air blower and each temperature sensor to be in off-mode；

Step 2：Control air blower, each temperature sensor and each valve are in running status, while continue to control instruction Handled, obtain current desired hot blast temperature；

Step 3：The hot blast temperature signal sent by hot blast temperature sensor is received, and hot blast temperature signal transacting is obtained currently Hot blast temperature；

Step 4：Temperature gap between hot blast temperature needed for calculating and current hot blast temperature；If temperature gap is zero, protect Hold elevating mechanism and the current working condition of each valve；If temperature gap is negative value, step 5 is performed；Otherwise, it is if warm It is on the occasion of performing step 6 and step 7 successively to spend difference；

Step 5：The air temperature signal sent by each air borne sensor is received, and respectively to the processing of each air temperature signal Obtain the current air temperature in the heating space where each air borne sensor, calculate respectively needed for hot blast temperature with it is each current The difference of air themperature；It is zero if there is a difference, then opens the air-out valve at the air outlet in corresponding heating space, and The air-out valve at the air outlet in other heating spaces is controlled to close；If all differences are negative value, the air blast is controlled Machine it is out of service and it is described enter oxygen valve close, and the absolute value of C.T difference with it is default cooling threshold value size, such as The absolute value of fruit temperature gap is more than default cooling threshold value, then controls drive mechanism driving heat absorption dividing plate to be fully inserted into the drop In warm housing, while control all radiating valve openings；Otherwise, drive mechanism driving heat absorption dividing plate is controlled to stretch out cooling housing It is interior, while control all or part of radiating valve opening；

Step 6：The air temperature signal sent by each air borne sensor is received, and respectively to the processing of each air temperature signal The current air temperature for heating space where each air borne sensor is obtained, it is empty to obtain current air temperature highest heating Between；The unlatching of the air-out valve at the air outlet in current air temperature highest heating space is controlled, and controls other air-out Valve is closed；

Step 7：Call the control data table to prestore；The control data table preserves temperature gap and adjustable height and oxygen feeding amount Relation, and the relation of temperature gap and oxygen feeding amount；C.T difference and the size of default temperature difference threshold, if temperature gap Less than temperature difference threshold, then according to the current desired oxygen feeding amount of the Relation acquisition in control data table between temperature gap and oxygen feeding amount Value, and controlled according to the oxygen feeding amount value into oxygen valve；If temperature gap is more than temperature difference threshold, according to control data table medium temperature The current desired fuel height of the Relation acquisition spent between difference and adjustable height and oxygen feeding amount and amount of oxygen, and according to the fuel Height and amount of oxygen control two groups of elevating mechanisms and enter oxygen valve respectively.

3. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1 or 2, its feature exist In：Also include the waste residue accumulator tank for being provided with recovery entrance；And the lower portion of furnace body offers fire door；The waste residue accumulator tank It is arranged in the body of heater, and below the grate, it reclaims entrance face towards the grate, and it can be from the stove Mouth is extend out to outside body of heater.

4. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 3, it is characterised in that：Also Including two recovery slide rails and two assembly pulleys；The two recovery slide rail is relatively arranged on the inwall opposite sides of the body of heater, described Two assembly pulleys are respectively arranged at the outer wall opposite sides of the waste residue accumulator tank；The waste residue accumulator tank passes through two assembly pulley It is arranged between the two recovery slide rail, and the reciprocal fortune outside fire door and entered in body of heater can be extend out to along two recovery slide rails It is dynamic.

5. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1 or 2, its feature exist In：Also include heated barrier；The heated barrier is set up between the exhaust opening and the air-heating unit, and it is opened up There are multiple exhaust smoke holes, a smoke evacuation one-way cock is provided with each exhaust smoke hole；All smoke evacuation one-way cocks and control module electricity Connection, by control module according to default its opening and closing of smoke evacuation time interval controls；And the inner bag is divided by heated barrier For the smoke evacuation section above heated barrier and the insulation section below heated barrier；

When all smoke evacuation one-way cocks of control module control are closed, the heated barrier cut-off smoke evacuation section and heat preservation zone Between, insulation section is closed section；When the smoke evacuation one-way cock of control module control at least one is opened, the smoke evacuation section and Soak zones connect, and insulation section is open section.

6. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1 or 2, its feature exist In：Also include air exhauster；The air exhauster is arranged at the exhaust opening.

7. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 6, it is characterised in that：Also Including a gas cleaning unit；The gas cleaning unit is arranged between the air exhauster and the air-heating unit.

8. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1, it is characterised in that：Institute Stating the wall of the air-guiding aisle between the air outlet of air-heating unit and body of heater hot-blast outlet includes interior setting gradually outward Heat-insulation layer, vacuum layer and heat-insulation layer.

9. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 1, it is characterised in that：Institute The heated shell for stating air-heating unit is provided with two air inlets；Two air inlet is relatively arranged on the heating positioned at top The opposite sides in space, and connected respectively by an air-guiding aisle with the heating chamber；The multiple air outlet is respectively arranged at The side in other heating spaces in addition to most pushing up two layers of heating space.

10. the new multi-layer temperature-control biomass fuel blast heater to cool according to claim 9, it is characterised in that： The cold wind import and the hot-blast outlet are relatively arranged on the bottom opposite sides of the body of heater.