CN208170743U - A kind of energy saving heat exchange structure of biomass thermal wind furnace - Google Patents

Abstract

The utility model discloses a kind of energy saving heat exchange structures of biomass thermal wind furnace, including shell, the side of enclosure interior to the other side is divided into biomass combustion area and Heat Room by vertical baffle, thermal circulation mechanism is provided on Heat Room, thermal circulation mechanism includes the first conduit, the inlet end of first conduit protrudes into Heat Room the top for being placed in S type heat exchanger tube, air pump is fixedly installed at the outlet side of first conduit, the inlet end of air pump is connected with the outlet side of the first conduit, the outlet side of air pump is connected by the second conduit with the bottom end inside Heat Room, and second conduit be placed in the indoor end surface of heat exchange and be provided with gas vent.The utility model is by being equipped with thermal circulation mechanism, air pump is drawn by also remaining the gas of high temperature after the first conduit heat exchanging, and pass through the second conduit for the gas transport to the bottom end for the chamber interior walls that exchange heat, the gas and S type heat exchanger tube is set to carry out secondary heat exchange, heat utilization rate is improved, the energy has been saved.

Description

A kind of energy saving heat exchange structure of biomass thermal wind furnace

Technical field

The utility model relates to a kind of heat exchange structure, specially a kind of energy saving heat exchange structure of biomass thermal wind furnace.

Background technique

Hot-blast stove as thermal power machinery starts to be widely applied in late 1970s in China, it is in many industries The regeneration product for having become electric heat source and conventional vapor power heat source is usually used in the operations such as food or drying corps Hot-blast stove.Hot-blast stove mostly uses greatly coal-fired or combustion gas, and energy consumption is more, and pollutes more serious.In consideration of it, it has been proposed that Using biomass fuel as fuels sources, biomass is collected, is crushed, is dried and die mould post-processing is in the pressure of certain shapes Then briquetting is placed in hot-blast stove and burns by block.

The heat exchange efficiency of existing biomass thermal wind furnace heat exchange structure is lower and energy utilization rate is lower, leads to energy-saving effect Poor, the heat exchange structure of existing biomass thermal wind furnace has not been able to satisfy the needs of people gradually, therefore we make this It improves, proposes a kind of energy saving heat exchange structure of biomass thermal wind furnace.

Utility model content

Heat exchange efficiency to solve biomass thermal wind furnace heat exchange structure of the existing technology is lower and energy utilization rate compared with It is low, lead to the defect that energy-saving effect is poor, the utility model provides a kind of energy saving heat exchange structure of biomass thermal wind furnace.

In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：

A kind of energy saving heat exchange structure of biomass thermal wind furnace of the utility model, including shell, the one of the enclosure interior Side to the other side is divided into biomass combustion area and Heat Room by vertical baffle, and the inside in the biomass combustion area is from top to bottom Combustion chamber and ash accumulating chamber are divided by lateral partitions, and lower hopper is provided in the middle part of lateral partitions, the top of the combustion chamber It is provided with the first blower, and the side of Inner Wall of Combustion Chamber bottom end offers the gas port of connection Heat Room, the top of the Heat Room End is provided with the second blower, S type heat exchanger tube is distributed on the inner wall of the Heat Room, the S type heat exchanger tube inlet end and outlet side Run through shell, and the inlet end of S type heat exchanger tube is placed in the top of outlet side, is provided with thermal circulation mechanism on the Heat Room, The thermal circulation mechanism includes the first conduit, and the inlet end of first conduit, which protrudes into Heat Room, is placed in S type heat exchanger tube Top is fixedly installed air pump, the outlet side of the inlet end of the air pump and the first conduit at the outlet side of first conduit It is connected, the outlet side of the air pump is connected by the second conduit with the bottom end inside Heat Room, and the second conduit is placed in and changes The indoor end surface of heat is provided with gas vent, and gas vent is several.

Further, the fixed connection place of the Heat Room and the first conduit is equipped with Non-return air valve.

Further, feed inlet is provided on the combustion chamber, and the other side of Inner Wall of Combustion Chamber bottom end is provided with and defends combustion Band.

Further, the side of the shell is equipped with switch panel and push rod, and slip-resistant texture is distributed on push rod, institute Four edges for stating housing bottom are distributed with universal wheel.

Further, the first fan switch, the second fan switch and air pump switch are installed on the switch panel, it is described First blower is electrically connected by the first fan switch and external power supply, second blower by the second fan switch with it is external Power supply is electrically connected, and the air pump is electrically connected by air pump switch and external power supply.

Further, thin chain link fence is installed on the gas port.

Compared with prior art, the utility model has the advantages that：

1. the energy saving heat exchange structure of this kind of biomass thermal wind furnace, by being equipped with S type heat exchanger tube, and S type heat exchanger tube into Gas end is placed in the top of outlet side, increases the contact area of heat exchanger tube and high-temperature gas, while constantly rising in Heat Room The flow direction of hot gas to be added is on the contrary, make hot gas to be added in S type heat exchanger tube along flowing in high-temperature gas and S type heat exchanger tube Direction is gradually heated by the sonochemical activity, and is equivalent to and is provided a preheating process for the hot gas to be added in S type heat exchanger tube, improves hot wind The heat exchange efficiency of furnace

2. by being equipped with thermal circulation mechanism, air pump is inhaled by also remaining the gas of high temperature after the first conduit heat exchanging It takes, and so that the gas is carried out secondary change with S type heat exchanger tube the gas transport to the bottom end of heat exchange chamber interior walls by the second conduit Heat improves the utilization rate of thermal energy, is effectively saved the energy.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the energy saving heat exchange structure of biomass thermal wind furnace of the utility model；

Fig. 2 is a kind of circuit flow diagram of the energy saving heat exchange structure of biomass thermal wind furnace of the utility model.

In figure：1, shell；2, combustion chamber；3, ash accumulating chamber；4, Heat Room；5, the first blower；6, gas port；7, the second wind Machine；8, S type heat exchanger tube；9, the first conduit；10, air pump；11, the second conduit；12, Non-return air valve；13, feed inlet；14, Wei Ran Band；15, lower hopper；16, switch panel；17, push rod.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As depicted in figs. 1 and 2, a kind of energy saving heat exchange structure of biomass thermal wind furnace, including shell 1, inside shell 1 Side to the other side is divided into biomass combustion area and Heat Room 4 by vertical baffle, and the inside in biomass combustion area is from top to bottom Combustion chamber 2 and ash accumulating chamber 3 are divided by lateral partitions, and lower hopper 15 is provided in the middle part of lateral partitions, the top of combustion chamber 2 It is provided with the first blower 5, and the side of 2 inner wall bottom end of combustion chamber offers the gas port 6 of connection Heat Room 4, the top of Heat Room 4 End is provided with the second blower 7, S type heat exchanger tube 8 is distributed on the inner wall of Heat Room 4,8 inlet end of S type heat exchanger tube and outlet side Run through shell 1, and the inlet end of S type heat exchanger tube 8 is placed in the top of outlet side, is provided with thermal circulation mechanism on Heat Room 4, heat Circulation mechanism includes the first conduit 9, and the inlet end of the first conduit 9 protrudes into the top that S type heat exchanger tube 8 is placed in Heat Room 4, the Air pump 10 is fixedly installed at the outlet side of one conduit 9, the inlet end of air pump 10 is connected with the outlet side of the first conduit 9, gas The outlet side of pump 10 is connected by the second conduit 11 with the bottom end inside Heat Room 4, and the second conduit 11 is placed in Heat Room 4 End surface be provided with gas vent, and gas vent is several.

Wherein, the fixed connection place of Heat Room 4 and the first conduit 9 is equipped with Non-return air valve 12, passes through Non-return air valve 12, limit The flow direction of amount of residual heat gas is determined.

Wherein, feed inlet 13 is provided on combustion chamber 2, and the other side of 2 inner wall bottom end of combustion chamber is provided with wall with refractory lining, refracto 14, By wall with refractory lining, refracto 14, wall with refractory lining, refracto 14 improves the ignition temperature inside coal-fired room 2, keeps biomass fuel combustion more abundant, mentions High fuel availability.

Wherein, the side of shell 1 is equipped with switch panel 16 and push rod 17, and slip-resistant texture, shell are distributed on push rod 17 Four edges of 1 bottom end of body are distributed with universal wheel, by push rod 17 and universal wheel, transport the hot-blast stove convenient for staff It send to need place to be used.

Wherein, the first fan switch, the second fan switch and air pump switch, the first blower 5 are installed on switch panel 16 It is electrically connected by the first fan switch and external power supply, the second blower 7 is electrically connected by the second fan switch with external power supply It connects, air pump 10 is electrically connected by air pump switch and external power supply, by switch panel 16, controls the first wind convenient for staff The opening and closing of machine 5, the second blower 7 and air pump 10.

Wherein, thin chain link fence is installed on gas port 6, by thin chain link fence, effectively prevent in combustion chamber 2 Dust falls into Heat Room 4 by gas port 6 and pollutes.

It should be noted that the utility model is a kind of energy saving heat exchange structure of biomass thermal wind furnace, when specific works, As shown in Figure 1, staff, which first passes through push rod 17 and universal wheel, is moved to need place to be used for the hot-blast stove, then pass through Suitable biomass fuel is added into combustion chamber 2 and lights for feed inlet 13, controls the first blower 5 by Operation switch panel 16 Starting, outside air is sucked in combustion chamber 2 and is heated to form high-temperature gas by the first blower 5, while wall with refractory lining, refracto 14 improves burning Ignition temperature in room 2, high-temperature gas flow in Heat Room 4 after the thin chain link fence on gas port 6 eliminates dust, And exchange heat to S type heat exchange 8, outwardly by 7 row of the second blower, due to the high-temperature gas and S type constantly risen in Heat Room 4 The flow direction of hot gas to be added is on the contrary, make the hot gas streamwise to be added in S type heat exchanger tube 8 by gradually in heat exchanger tube 8 Heating, is equivalent to and provides a preheating process for the hot gas to be added in S type heat exchanger tube 8, improve the heat exchange of hot-blast stove Efficiency, it is worth mentioning at this point that, when gas is exchanged heat in high-temperature gas and S type heat exchanger tube 8, air pump 10 is can be by first The gas that high temperature is also remained after 9 heat exchanging of conduit is drawn, and is transported the high-temperature gas to heat exchange by the second conduit 11 The bottom end of 4 inner wall of room makes to carry out secondary heat exchange to recuperated gas in the gas and S type heat exchanger tube 8, improves the utilization of thermal energy Rate is effectively saved the energy, and after heat exchange, the ash material that burning generates in combustion chamber 2 falls into ash accumulating chamber 3 by lower hopper 15 Cleaning is concentrated after interior collection.

As shown in Fig. 2, the first fan switch, the second fan switch and the air pump switch that are equipped with by switch panel 16, Convenient for the opening and closing of work independently personnel control the first blower 5, the second blower 7 and air pump 10.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of energy saving heat exchange structure of biomass thermal wind furnace, including shell（1）, the shell（1）Internal side is to another Side is divided into biomass combustion area and Heat Room by vertical baffle（4）, the inside in the biomass combustion area from top to bottom by Lateral partitions are divided into combustion chamber（2）And ash accumulating chamber（3）, and lower hopper is provided in the middle part of lateral partitions（15）, feature exists In the combustion chamber（2）Top be provided with the first blower（5）, and combustion chamber（2）The side of inner wall bottom end offers connection and changes Hot cell（4）Gas port（6）, the Heat Room（4）Top be provided with the second blower（7）, the Heat Room（4）Inner wall on S type heat exchanger tube is distributed with（8）, the S type heat exchanger tube（8）Shell is run through in inlet end and outlet side（1）, and S type heat exchanger tube（8）'s Inlet end is placed in the top of outlet side, the Heat Room（4）On be provided with thermal circulation mechanism, the thermal circulation mechanism includes first Conduit（9）, first conduit（9）Inlet end protrude into Heat Room（4）Inside it is placed in S type heat exchanger tube（8）Top, described One conduit（9）Outlet side at be fixedly installed air pump（10）, the air pump（10）Inlet end and the first conduit（9）Outlet End is connected, the air pump（10）Outlet side pass through the second conduit（11）With Heat Room（4）Internal bottom end is connected, and the Two conduits（11）It is placed in Heat Room（4）Interior end surface is provided with gas vent, and gas vent is several.

2. a kind of energy saving heat exchange structure of biomass thermal wind furnace according to claim 1, which is characterized in that the heat exchange Room（4）With the first conduit（9）Fixed connection place Non-return air valve is installed（12）.

3. a kind of energy saving heat exchange structure of biomass thermal wind furnace according to claim 1, which is characterized in that the burning Room（2）On be provided with feed inlet（13）, and combustion chamber（2）The other side of inner wall bottom end is provided with wall with refractory lining, refracto（14）.

4. a kind of energy saving heat exchange structure of biomass thermal wind furnace according to claim 1, which is characterized in that the shell （1）Side switch panel is installed（16）And push rod（17）, and push rod（17）On slip-resistant texture, the shell is distributed with（1） Four edges of bottom end are distributed with universal wheel.

5. a kind of energy saving heat exchange structure of biomass thermal wind furnace according to claim 4, which is characterized in that the switch Panel（16）On the first fan switch, the second fan switch and air pump switch, first blower are installed（5）Pass through the first wind Machine switch is electrically connected with external power supply, second blower（7）It is electrically connected by the second fan switch and external power supply, institute State air pump（10）It is electrically connected by air pump switch and external power supply.

6. a kind of energy saving heat exchange structure of biomass thermal wind furnace according to claim 1, which is characterized in that the air guide Hole（6）On thin chain link fence is installed.