CN108592661A - A kind of Efficient high-temperature gas heat exchanger - Google Patents
A kind of Efficient high-temperature gas heat exchanger Download PDFInfo
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- CN108592661A CN108592661A CN201810693662.XA CN201810693662A CN108592661A CN 108592661 A CN108592661 A CN 108592661A CN 201810693662 A CN201810693662 A CN 201810693662A CN 108592661 A CN108592661 A CN 108592661A
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- temperature
- heat exchanger
- gas
- exhaust gas
- organic exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of Efficient high-temperature gas heat exchangers, including the low-temperature zone being connected with each other successively from left to right, middle-temperature section and high temperature section, the low-temperature zone, middle-temperature section, high temperature section respectively includes shell and set on its internal heat exchanger tube, the left rostral face of shell of the low-temperature zone is equipped with organic exhaust gas entrance, the right rostral face of shell of high temperature section is exported equipped with organic exhaust gas, organic exhaust gas is flowed into from organic exhaust gas entrance, it exports and flows out from organic exhaust gas after heat absorption, the heat exchanger tube right end of the high temperature section is equipped with high-temperature gas entrance, the heat exchanger tube left end of low-temperature zone is exported equipped with high-temperature gas, high-temperature gas is flowed into from high-temperature gas entrance, after high-temperature gas discharges heat, it exports and is discharged from high-temperature gas.This product effectively increases heat exchange efficiency, is advantageously implemented energy-saving and emission-reduction, reduces operation cost of enterprises.
Description
Technical field
The present invention relates to VOCs treatment technical fields, and in particular, to a kind of Efficient high-temperature gas heat exchanger.
Background technology
Heat exchanger be it is a kind of between two or more fluid of different temperatures realize material between heat transfer section
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.In VOCs treatment
On, traditional heat exchangers are influenced by the limitation of structure, generally can only be by organic waste under certain high temperature fluid temperature condition
Temperature degree is increased to certain amplitude.Such as, it is used on the organic waste gas treatment equipment of Huizhou City Rong Ke environmental protection equipments Co., Ltd
A kind of traditional heat exchanger, organic exhaust gas can only be warming up to 500 DEG C from 50 DEG C, and the organic exhaust gas decomposes needs completely
800 DEG C of temperature, gap are also bigger.Heat exchanger heating limit how is further increased, is currently to need one solved to ask
Topic.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of Efficient high-temperature gas heat exchanger
Problem.
To achieve the above object, the present invention provides the following technical solutions：
A kind of Efficient high-temperature gas heat exchanger, including the low-temperature zone, middle-temperature section and the high temperature that are connected with each other successively from left to right
Section, the low-temperature zone, middle-temperature section, high temperature section respectively include shell and set on its internal heat exchanger tube, the shells of the low-temperature zone
Left rostral face is equipped with organic exhaust gas entrance, and the right rostral face of shell of high temperature section is equipped with organic exhaust gas outlet, and organic exhaust gas is from organic
Exhaust gas entrance IN1 is flowed into, and is exported and is flowed out from organic exhaust gas after heat absorption, the heat exchanger tube right end of the high temperature section enters equipped with high-temperature gas
Mouthful, the heat exchanger tube left end of low-temperature zone be equipped with high-temperature gas and export, high-temperature gas is flowed into from high-temperature gas entrance, and high-temperature gas discharges
After heat, exports and be discharged from high-temperature gas.Here, high-temperature gas flows from right to left in heat exchanger tube, the organic exhaust gas of low temperature
It is flowed from left to right between heat exchanger tube and shell, the two forms the whole situation of convection current, fully exchanges heat in three sections of heat exchangers.
The synthesis heat exchange property of relatively general light pipe, multi-start helical tubes is more superior, it is preferred that the heat exchanger tube is using more
Head helix tube, makes gas exchange heat in a manner of turbulent, and heat exchange area is big, and heat exchange efficiency is high, and here, the head number of multi-start helical tubes is 8,
Groove depth is 5mm, and helical angle is 45 degree, to obtain best heat transfer effect.
Preferably, the low-temperature zone first member plate, high temperature section right end plate are respectively equipped with corresponding equally distributed through-hole, more
Heat exchanger tube is each passed through low-temperature zone, the through-hole of high temperature section is fixedly connected with shell using Tubesheet Welding, and more heat exchanger tubes are uniformly distributed
In in shell, high-temperature gas is flowed into from the high-temperature gas entrance of the heat exchanger tube right end of high temperature section, and the heat exchanger tube for flowing to low-temperature zone is left
The high-temperature gas at end exports；After organic exhaust gas entrance that organic exhaust gas is arranged from the shell of low-temperature zone enters, heat exchanger tube it
Between gap turbulent flow flow to the right, after being exchanged heat with the high-temperature gas in heat exchanger tube, what is be arranged from the shell of high temperature section has
Machine waste gas outlet flows out, to complete heat exchange in convection current.
Preferably, the shell be open column shape, the low-temperature zone, middle-temperature section, high temperature section enclosure interior be respectively equipped with
The section of wind shield G, H, I, the shell are circular ring shape, and wind shield is semicircle, partition-type is welded in shell centre position
At lower half circle, wind shield is equipped with equally distributed through-hole, and the heat exchanger tube at lower half circle passes through the through-hole of wind shield to be fixedly mounted；
Wind shield supports lower half circular portion heat exchanger tube, prevents heat exchanger tube from sinking；With after heat exchanger tube installation connection, organic exhaust gas exists wind shield
It is blocked at semicircle wind shield, action of turbulent flow can be played, and guided and slowly flowed at the upper semi-circle that gas is never blocked, filled
Divide heat exchange.
Preferably, the organic exhaust gas entrance, organic exhaust gas outlet are opened in low temperature piece housing, high temperature piece housing respectively
Below cylindrical sides, the organic exhaust gas that multiple complications are cooperatively formed with wind shield flows to channel, to make organic exhaust gas in shell
The flowing for forming more abundant, long-acting circulation passage and longer time between heat exchanger tube in vivo, to increase the efficiency of heat exchange.
To ensure leakproofness, while preferably heat exchanger tube being fixed on shell, it is preferred that the shell of the middle-temperature section
First member plate, right end plate are respectively the semicircle equipped with equally distributed through-hole, are set at the upper semi-circle of shell, changing at upper semi-circle
Through-hole of the heat pipe in the first member plate of the shell of middle-temperature section, right end plate is fixedly mounted, and organic exhaust gas is in the shell for flowing through middle-temperature section
When the first member plate of body, right end plate, stopped jointly by heat exchanger tube and end plate at upper semi-circle, around end plate to the lower half not being blocked
Circle place flowing, to more preferably, more fully exchanged heat with high-temperature gas to the more time.
Preferably, the low-temperature zone, middle-temperature section, high temperature section heat exchanger tube be seamlessly connected between each other, before ensuring processing
Gas absolutely detaches afterwards, prevents untreated organic exhaust gas and enters discharge duct.
The gas generated after being decomposed in exhaust gas decomposer due to organic exhaust gas is high-temperature gas, and thermal energy is expelled directly out
It is unfavorable for energy-saving and emission-reduction and environmental protection, it is preferred that the gases exit line of the high-temperature gas entrance and exhaust gas decomposer
Connection realizes recycling for thermal energy to be introduced directly into the high temperature heat of the gas after organic exhaust gas decomposes.
To realize the energy-saving and emission-reduction of entire VOCs treatment flow, improving heat exchanging efficiency to the maximum extent, it is preferred that institute
It states high-temperature gas and enters the temperature control of heat exchanger at 800 ± 20 DEG C from high-temperature gas entrance, the IN1 inputs of organic exhaust gas entrance
The temperature of organic exhaust gas is controlled at 50 ± 10 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：Efficient high-temperature gas heat exchanger of the present invention, mainly
For organic waste gas treatment equipment, 50 DEG C or so of organic exhaust gas can be directly increased to 700 DEG C or so by it by heat exchange, greatly
The earth, which has approached organic exhaust gas and decomposed completely, needs 800 DEG C of temperature to be advantageously implemented section to effectively increase heat exchange efficiency
It can emission reduction, reduction operation cost of enterprises.
Description of the drawings
Fig. 1 is the combining structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the embodiment of the present invention；
Wherein：1. low-temperature zone, 2. middle-temperature sections, 3. high temperature sections, 4. heat exchanger tubes, IN1. organic exhaust gas entrances, OUT1. organic wastes
Gas exports, IN2. high-temperature gas entrances, the outlet of OUT2. high-temperature gases, A. low-temperature zone first member plates, B. low-temperature zone right ends, C. medium temperatures
Section first member plate, D. middle-temperature section right end plates, E. high temperature section left ends, F. high temperature section right end plates, G, H, I. wind shield.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is shown in reference picture 1, Fig. 2, a kind of Efficient high-temperature gas heat exchanger, including the low temperature that is connected with each other successively from left to right
Section 1, middle-temperature section 2 and high temperature section 3, the low-temperature zone 1, middle-temperature section 2, high temperature section 3 respectively include shell and changing set on its inside
The left rostral face of shell of heat pipe 4, the low-temperature zone 1 is equipped with organic exhaust gas entrance IN1, and the right rostral face of shell of high temperature section 3 is equipped with
Organic exhaust gas exports OUT1, and organic exhaust gas is flowed into from organic exhaust gas entrance IN1, and from organic exhaust gas outlet, OUT1 flows out after heat absorption,
4 right end of heat exchanger tube of the high temperature section 3 is equipped with high-temperature gas entrance IN2,4 left end of heat exchanger tube of low-temperature zone 1 is equipped with high-temperature gas
OUT2 is exported, high-temperature gas is flowed into from high-temperature gas entrance IN2, and after high-temperature gas discharges heat, OUT2 is exported from high-temperature gas
Discharge.Here, high-temperature gas flows from right to left in heat exchanger tube 4, the organic exhaust gas of low temperature between heat exchanger tube 4 and shell from
From left to right flows, and the two forms the whole situation of convection current, fully exchanges heat in three sections of heat exchangers.
The synthesis heat exchange property of relatively general light pipe, multi-start helical tubes is more superior, and the heat exchanger tube 4 uses multi-head spiral
Pipe, makes gas exchange heat in a manner of turbulent, and heat exchange area is big, and heat exchange efficiency is high, and here, the head number of multi-start helical tubes is 8, and groove depth is
5mm, helical angle is 45 degree, to obtain best heat transfer effect.
1 first member plate A of the low-temperature zone, 3 right end plate F of high temperature section are respectively equipped with corresponding equally distributed through-hole, and more are changed
Heat pipe 4 is each passed through low-temperature zone 1, the through-hole of high temperature section 3 is fixedly connected with shell using Tubesheet Welding, and more heat exchanger tubes 4 uniformly divide
It is distributed in shell, high-temperature gas is flowed into from the high-temperature gas entrance IN2 of 4 right end of heat exchanger tube of high temperature section 3, flows to low-temperature zone 1
The high-temperature gas of 4 left end of heat exchanger tube exports OUT2；The organic exhaust gas entrance IN1 that organic exhaust gas is arranged from the shell of low-temperature zone 1
After, the gap turbulent flow between heat exchanger tube 4 flows to the right, after being exchanged heat with the high-temperature gas in heat exchanger tube 4, from high temperature
The organic exhaust gas outlet OUT1 outflows being arranged on the shell of section 3, to complete heat exchange in convection current.
The shell is open column shape, the low-temperature zone 1, middle-temperature section 2, high temperature section 3 enclosure interior be respectively equipped with and keep out the wind
The section of plate G, H, I, the shell are circular ring shape, and wind shield G, H, I are semicircle, partition-type is welded in shell centre position
At lower half circle, wind shield G, H, I are equipped with equally distributed through-hole, and the heat exchanger tube 4 at lower half circle is across the logical of wind shield G, H, I
Hole is fixedly mounted；Wind shield G, H, I support lower half circular portion heat exchanger tube 4, prevents heat exchanger tube 4 from sinking；Wind shield G, H, I and heat exchange
Pipe 4 installation connection after, organic exhaust gas is blocked at semicircle wind shield G, H, I, can play action of turbulent flow, and guide gas from
It slowly flows at the upper semi-circle not being blocked, fully exchanges heat.
The organic exhaust gas entrance IN1, organic exhaust gas outlet OUT1 are opened in 1 shell of low-temperature zone, 3 shell of high temperature section respectively
Cylindrical sides below, the organic exhaust gas that multiple complications are cooperatively formed with wind shield G, H, I flows to channel, to make organic waste
Gas forms the flowing of more abundant, long-acting circulation passage and longer time in shell between heat exchanger tube 4, to increase heat exchange
Efficiency.
To ensure leakproofness, while preferably heat exchanger tube 4 being fixed on shell, the left end of the shell of the middle-temperature section 2
Plate C, right end plate D are respectively the semicircle equipped with equally distributed through-hole, are set at the upper semi-circle of shell, the heat exchange at upper semi-circle
Pipe 4 passes through the through-hole on first member plate C, the right end plate D of the shell of middle-temperature section 2 to be fixedly mounted, and organic exhaust gas is flowing through middle-temperature section 2
When first member plate C, the right end plate D of shell, stopped jointly by heat exchanger tube 4 and end plate C, D at upper semi-circle, bypasses end plate C, D respectively
It flows to the lower half circle not being blocked, to increase heat exchange stroke, with the more preferable, more time is carried out more with high-temperature gas
Fully exchange heat.
The seamless connection between each other of heat exchanger tube 4 of the low-temperature zone 1, middle-temperature section 2, high temperature section 3, to ensure gas before and after the processing
Body absolutely detaches, and prevents untreated organic exhaust gas and enters discharge duct.Here, low-temperature zone right end B and middle-temperature section first member plate C
Seamless welding, middle-temperature section right end plate D and high temperature section left end E seamless weldings are seamlessly connected to use and shake weldering mode seamless welding.
The gas generated after being decomposed in exhaust gas decomposer due to organic exhaust gas is high-temperature gas, and thermal energy is expelled directly out
It is unfavorable for energy-saving and emission-reduction and environmental protection, the high-temperature gas entrance IN2 is connect with the gases exit line of exhaust gas decomposer,
To be introduced directly into the high temperature heat of the gas after organic exhaust gas decomposes, recycling for thermal energy is realized.
Data test is carried out it is found that under the same conditions to the present embodiment：
800 DEG C of high-temperature gas enters heat exchanger from high-temperature gas entrance IN2, can will be inputted by organic exhaust gas entrance IN1
50 DEG C of cryogenic gas be increased to 700 DEG C by organic exhaust gas outlet OUT1 discharge.After 700 DEG C of organic exhaust gas enters high temperature furnace
Continue to be heated to 800 DEG C or so to decompose completely, the high-temperature gases after decomposition are discharged by high temperature furnace, through high-temperature gas entrance IN2 into
Enter heat exchanger, from high-temperature gas outlet OUT2 discharges after heat release.
The present embodiment can be used on the organic waste gas treatment equipment of Rong Ke environmental protection equipments Co., Ltd of Huizhou City, it can be 50
DEG C or so organic exhaust gas be directly increased to 700 DEG C or so by heat exchange, and organic exhaust gas decomposes the temperature of 800 DEG C of needs completely
It spends, therefore be increased to 800 degrees Celsius by 700 DEG C only to increase 100 DEG C only, can only be increased to by 50 DEG C with traditional heat exchangers
500 DEG C are compared, and substantially increase heat exchange efficiency, while energy consumption substantially reduces.
Temperature detection is carried out to the present embodiment, concrete condition is：
Organic exhaust gas entrance IN1 temperature：50℃；
Organic exhaust gas exports OUT1 temperature:700℃；
High-temperature gas entrance IN2 temperature：802℃；
High-temperature gas exports OUT2 temperature：103℃；
It is found that the heat exchange efficiency of the present embodiment is about (700-50)/802=81%.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of Efficient high-temperature gas heat exchanger, which is characterized in that including low-temperature zone, the medium temperature being connected with each other successively from left to right
Section and high temperature section, the low-temperature zone, middle-temperature section, high temperature section respectively include shell and set on its internal heat exchanger tube, the low temperature
The left rostral face of shell of section is equipped with organic exhaust gas entrance, and the right rostral face of shell of high temperature section is exported equipped with organic exhaust gas, organic waste
Gas is flowed into from organic exhaust gas entrance, is exported and is flowed out from organic exhaust gas after heat absorption, and the heat exchanger tube right end of the high temperature section is equipped with high temperature
Gas access, low-temperature zone heat exchanger tube left end equipped with high-temperature gas export, high-temperature gas from high-temperature gas entrance flow into, High Temperature Gas
After body discharges heat, exports and be discharged from high-temperature gas.
2. Efficient high-temperature gas heat exchanger according to claim 1, which is characterized in that the heat exchanger tube uses multi-head spiral
Pipe.
3. Efficient high-temperature gas heat exchanger according to claim 2, which is characterized in that the head number of multi-start helical tubes is 8, slot
Depth is 5mm, and helical angle is 45 degree.
4. Efficient high-temperature gas heat exchanger according to claim 1, which is characterized in that the low-temperature zone first member plate, high temperature
Section right end plate is respectively equipped with corresponding equally distributed through-hole, more heat exchanger tubes be each passed through low-temperature zone, high temperature section through-hole with
Shell is fixedly connected using Tubesheet Welding, and more heat exchanger tubes are uniformly distributed in shell, and the heat exchanger tube of high-temperature gas from high temperature section is right
The high-temperature gas entrance at end flows into, and flows to the high-temperature gas outlet of the heat exchanger tube left end of low-temperature zone；Organic exhaust gas is from low-temperature zone
After the organic exhaust gas entrance being arranged on shell enters, the gap turbulent flow between heat exchanger tube flows to the right, with the height in heat exchanger tube
After wet body is exchanged heat, heat exchange is completed in the organic exhaust gas outlet outflow being arranged from the shell of high temperature section in convection current.
5. Efficient high-temperature gas heat exchanger according to claim 4, which is characterized in that the shell is open column shape, institute
State low-temperature zone, middle-temperature section, high temperature section enclosure interior be respectively equipped with wind shield, the section of the shell is circular ring shape, wind shield
It is welded at the lower half circle in shell centre position for semicircle, partition-type, wind shield is equipped with equally distributed through-hole, lower half circle
The heat exchanger tube at place passes through the through-hole of wind shield to be fixedly mounted；Wind shield supports lower half circular portion heat exchanger tube；Wind shield and heat exchanger tube
After installation connection, organic exhaust gas is blocked at semicircle wind shield, and is guided slow at the upper semi-circle that gas is never blocked
Flowing fully exchanges heat.
6. Efficient high-temperature gas heat exchanger according to claim 5, which is characterized in that the organic exhaust gas entrance, organic
Waste gas outlet is opened in respectively below the cylindrical sides of low temperature piece housing, high temperature piece housing, is cooperatively formed with wind shield multiple
Tortuous organic exhaust gas flows to channel.
7. Efficient high-temperature gas heat exchanger according to claim 6, which is characterized in that the left end of the shell of the middle-temperature section
Plate, right end plate are respectively the semicircle equipped with equally distributed through-hole, are set at the upper semi-circle of shell, the heat exchanger tube at upper semi-circle
Through-hole in the first member plate of the shell of middle-temperature section, right end plate is fixedly mounted, and organic exhaust gas is in the shell for flowing through middle-temperature section
When first member plate, right end plate, stopped jointly by heat exchanger tube and end plate at upper semi-circle, around end plate at the lower half circle not being blocked
Flowing.
8. Efficient high-temperature gas heat exchanger according to claim 7, which is characterized in that the low-temperature zone, middle-temperature section, high temperature
The heat exchanger tube of section is seamlessly connected between each other；Low-temperature zone right end and middle-temperature section first member plate seamless welding, middle-temperature section right end plate and height
Temperature section left end seamless welding is seamlessly connected to use and shakes weldering mode.
9. according to the Efficient high-temperature gas heat exchanger described in above-mentioned any one claim, which is characterized in that the High Temperature Gas
Body entrance is connect with the gases exit line of exhaust gas decomposer, to be introduced directly into the high temperature of the gas after organic exhaust gas decomposes
Heat realizes recycling for thermal energy.
10. Efficient high-temperature gas heat exchanger according to claim 9, which is characterized in that the high-temperature gas is from High Temperature Gas
Body entrance enters the temperature control of heat exchanger at 800 ± 20 DEG C, and the temperature of the organic exhaust gas of organic exhaust gas entrance IN1 inputs controls
At 50 ± 10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693662.XA CN108592661A (en) | 2018-06-29 | 2018-06-29 | A kind of Efficient high-temperature gas heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693662.XA CN108592661A (en) | 2018-06-29 | 2018-06-29 | A kind of Efficient high-temperature gas heat exchanger |
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| Publication Number | Publication Date |
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| CN108592661A true CN108592661A (en) | 2018-09-28 |
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| CN201810693662.XA Pending CN108592661A (en) | 2018-06-29 | 2018-06-29 | A kind of Efficient high-temperature gas heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109925841A (en) * | 2019-04-17 | 2019-06-25 | 惠州市溶科环保科技有限公司 | A kind of energy-efficient organic exhaust gas purifying system |
| CN110030548A (en) * | 2019-04-01 | 2019-07-19 | 黑龙江赫尔特生物质能源发展有限公司 | A kind of the modularization heat-exchange method and device of particularly suitable biomass combustion system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030548A (en) * | 2019-04-01 | 2019-07-19 | 黑龙江赫尔特生物质能源发展有限公司 | A kind of the modularization heat-exchange method and device of particularly suitable biomass combustion system |
| CN110030548B (en) * | 2019-04-01 | 2024-06-25 | 黑龙江赫尔特生物质能源发展有限公司 | Modularized heat exchange device especially suitable for biomass combustion system |
| CN109925841A (en) * | 2019-04-17 | 2019-06-25 | 惠州市溶科环保科技有限公司 | A kind of energy-efficient organic exhaust gas purifying system |
| CN109925841B (en) * | 2019-04-17 | 2021-04-06 | 惠州市溶科环保科技有限公司 | Energy-efficient organic waste gas purification system |
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Application publication date: 20180928 |