CN207408261U - Big weight biomass block shaped fuel combustion characteristics test device - Google Patents
Big weight biomass block shaped fuel combustion characteristics test device Download PDFInfo
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- CN207408261U CN207408261U CN201721414008.8U CN201721414008U CN207408261U CN 207408261 U CN207408261 U CN 207408261U CN 201721414008 U CN201721414008 U CN 201721414008U CN 207408261 U CN207408261 U CN 207408261U
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- test device
- wireless control
- fuel combustion
- characteristics test
- objective table
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Abstract
The utility model provides a kind of big weight biomass block shaped fuel combustion characteristics test device, it includes the babinet with chamber, cover board, weighing platform, temperature thermocouple, wireless control nitrogen oxygen transfer passage, wireless control air acquisition module and discharge flue, and weighing platform includes the objective table, the bellows-type weighing sensor being placed in outside babinet and connecting rod that is vertically arranged and connecting objective table and bellows-type weighing sensor that are placed in box house；Resistive heater is installed at objective table；Temperature thermocouple, bellows-type weighing sensor, resistive heater, wireless control air acquisition module and wireless control nitrogen oxygen transfer passage are all connected with controller.The big weight biomass block shaped fuel combustion characteristics test device has the advantages that design science, can measure biological particles more than 5g, can carry out whether ignition temperature, efficiency of combustion and burning fully be monitored and measure to fuel.
Description
Technical field
The utility model is related to a kind of biomass fuel combustion characteristic test devices, specifically, relate to a kind of new
Big weight biomass block shaped fuel combustion characteristics test device.
Background technology
Analysis currently for biomass combustion kinetic parameter is mainly studied using thermogravimetric analyzer, however thermogravimetric
Analyzer once can only carry out combustion analysis to the powdered sample of 2-5mg, and be molded granular fuel at least in more than 5g, and into
Type fuel is the kinetic parameter that is drawn by thermogravimetric analyzer by made of briquetting, density differs greatly with powdered sample
It is very different with the kinetic parameter of shaped granule fuel.Biomass molding fuel burning theoretical research only rests on granular fuel
Can reduce the evaporation rate of volatile matter, reduce oxygen-supplying amount during burning, but evaporation rate have it is much, it is necessary to oxygen-supplying amount have it is more
Greatly, should be much without specific numerical computations for oxygen quotient, cause existing biomass combustion boiler occur efficiency of combustion it is low,
It burns the problems such as insufficient, heat utilization is low, combustion instability, excessively high outlet temperature.
In order to solve the problems, such as present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, so as to provide a kind of design science, can measure greatly
Biological particles in 5g can carry out fuel whether ignition temperature, efficiency of combustion and burning fully be monitored and measure
Big weight biomass block shaped fuel combustion characteristics test device.
To achieve these goals, technical solution is used by the utility model：A kind of big weight biomass block into
Type fuel combustion characteristics test device, including the babinet with chamber, cover board, weighing platform, temperature thermocouple, wireless control nitrogen oxygen
Transfer passage, wireless control air acquisition module and discharge flue, the weighing platform include being placed in the loading of box house
Described in platform, the bellows-type weighing sensor for being placed in babinet outside and being located at immediately below the objective table and vertically arranged and connection
The connecting rod of objective table and the bellows-type weighing sensor；Resistive heater is installed at the objective table；The wireless controlled
The external Nitrogen source gases of nitrogen oxygen transfer passage processed and oxygen source, the wireless control air acquisition module include wireless module,
The gas collecting end and the air detection instrument at the connection gas collecting end that the corresponding discharge flue is set, the thermometric thermoelectricity
Even, described bellows-type weighing sensor, the control switch of the resistive heater, the wireless control air acquisition module and
The control valve of the wireless control nitrogen oxygen transfer passage is all connected with controller, and the controller connection host computer is used to input
With output data information.
Described on base, the medial surface of the medial surface of the babinet and the cover board is respectively provided with heat insulation foam.
Described on base, the objective table includes loading plate and the high temperature resistant bottom plate below loading plate, the heating
Resistance wire is annular solid wall-hanging resistance wire, and the resistive heater is suspended above the loading plate and around the loading plate
Loading region set, the annular solid diameter of the resistive heater is identical with the interior circular diameter of the loading plate.
Described on base, described certain two layers of wire turn local inclination for changing body wall-hanging resistive heater forms a perforation,
The probe of the temperature thermocouple is set through the perforation.
Described on base, the babinet bottom corresponds to the connecting rod and is provided with passage, and the bottom of the objective table has card
Mouthful, the top of the connecting rod has deck, and the bayonet engages with the deck.
Described on base, the lower section of the babinet sets protection chamber, and the connecting rod, the bellows-type weighing sensor are equal
Mounted on the protection intracavitary.
Described on base, the gas collecting end is an air extractor, and the air detection instrument is oxygen/nitrogen/hydrogen/carbon/sulphur content
Analyzer, the air extractor connect the oxygen/nitrogen/hydrogen/carbon/sulphur content analyzer and are supplied for it.
The utility model compared with the prior art have substantive distinguishing features and progress, specifically, the utility model have with
Lower advantage：
1st, objective table and the split of bellows weighing sensor design, and set in the case with outside case, isolation high temperature is to weighing
The control and analysis of the experiment of bulky grain biomass molding fuel are realized in the interference of system.
2nd, by acquisition of the wireless control air acquisition module to gas in discharge flue, detect volatile matter ingredient and respectively into
The percentage divided, it is accurate to sample, the evaporation rate, volatile matter ingredient, volatilization of biological substance shaped granule fuel volatile matter can be obtained
Divide each ingredient percentage, calculate the oxygen-supplying amount in each stage, draw oxygen supply matching relationship.
3rd, variation of the present apparatus to temperature, time and weight during biomass molding fuel burning calculates shaping combustion
The kinetic parameter of material obtains the kinetic parameter of accurate biomass molding fuel.
4th, according to the oxygen supply matching relationship calculated, wireless control nitrogen oxygen transfer passage control input oxygen speed is passed through
Rate verifies influence of the input rate to combustion process of oxygen, obtains the relation of oxygen rates and burning degree.
5th, nitrogen is played a protective role to extract during volatile matter sample carries out gas phase analysis, is selected as needed
Selecting can add and can be not added with.
6th, resistive heater suspends, and hangs on the madial wall of babinet, does not influence the weighing precision of weighing platform, adding thermal resistance
Silk is annular, and around the loading region of loading plate, the heating of which annular enclosed, heating is evenly；It is big in order to accommodate
The biomass fuel of particle is set the annular diameter of resistance wire identical with the interior circular diameter of loading plate.
Its with design science, biological particles more than 5g can be measured, ignition temperature, burning can be carried out to fuel
The advantages of whether efficiency and burning are fully monitored and measure.
Description of the drawings
Fig. 1 is the structural representation of big weight biomass block shaped fuel combustion characteristics test device in the utility model
Figure.
In figure：1. babinet；2. cover board；3. temperature thermocouple；4. wireless control nitrogen oxygen transfer passage；5. wireless control
Air acquisition module；6. discharge flue；7. loading plate；8. bellows-type weighing sensor；9. connecting rod；10. heating electricity
Hinder silk；11. controller；7-1. bayonet；7-2. deck.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
A kind of big weight biomass block shaped fuel combustion characteristics test device including the babinet 1 with chamber, cover board 2, claims
Galassing platform, temperature thermocouple 3, wireless control nitrogen oxygen transfer passage 4, wireless control air acquisition module 5 and discharge flue
6.In order to ensure that box interior temperature is not lost in, the medial surface of the babinet 1 and the medial surface of the cover board 2 are respectively provided with heat-insulated
Cotton.
The weighing platform includes the objective table being placed in inside babinet 1, is placed in 1 outside of babinet and is located at the objective table just
The bellows-type weighing sensor 8 of lower section and vertically arranged and connect the objective table and the bellows-type weighing sensor 8
Connecting rod 9, the objective table includes loading plate 7 and the high temperature resistant bottom plate 12 mounted on the lower section of loading plate 7, and loading plate is placed on
On high temperature resistant bottom plate 12,1 bottom of babinet corresponds to the connecting rod 9 and is provided with passage, the bottom of the high temperature resistant bottom plate 12
With bayonet 7-1, the top of the connecting rod 9 engages with deck 7-2, the bayonet 7-1 with the deck 7-2.
Such split design, avoids bellows-type weighing sensor 8 that high temperature is subject to disturb, ensures the accuracy weighed,
The effect of connecting rod 9 is that conduction power, connecting rod 9 and objective table 7 using clamping, facilitate the dismounting and cleaning of objective table.
The lower section of the babinet 1 sets protection chamber, and the connecting rod 9, the bellows-type weighing sensor 8 are installed in
The protection intracavitary, protection weighing system are interference-free.
The resistive heater is annular solid wall-hanging resistance wire, and the resistive heater is suspended above the loading plate
At 3mm, loading plate is avoided contact with, influences weighing precision, while is set around the loading region of the loading plate, for heating life
Substance shaped fuel.
Specifically, the annular solid diameter of the resistive heater is identical with the interior circular diameter of the loading plate, can heat
The biomass molding fuel of bulky grain.Described certain two layers of wire turn local inclination for changing body wall-hanging resistive heater forms one
Perforation, the probe of the temperature thermocouple are set through the perforation, and distance of the temperature thermocouple apart from combustion zone is closer to survey
The temperature obtained is more accurate.The high temperature resistant bottom plate 12 where resistive heater 10 manufactures for heat-resisting material, adding thermal resistance
Silk 10 transfers heat to biomass molding fuel by loading plate 7, for its burning.
The 4 external Nitrogen source gases of wireless control nitrogen oxygen transfer passage and oxygen source, wireless module use wireless 485
Module, transmission signal is more stable, which is mainly used for the oxygen flow of control input and is filled with nitrogen.
The gas collecting that the wireless control air acquisition module 5 includes wireless module, the corresponding discharge flue is set
Hold and connect the air detection instrument at the gas collecting end, the gas collecting end is an air extractor, the air detection instrument
For oxygen/nitrogen/hydrogen/carbon/sulphur content analyzer, the air extractor connects the oxygen/nitrogen/hydrogen/carbon/sulphur content analyzer and is supplied for it.Wirelessly
Module uses 485 modules, which is mainly used for volatile matter ingredient and its proportionate relationship after acquisition burning, verifies whether fully
Burning.
It should be noted that oxygen/nitrogen/hydrogen/carbon/sulphur content the analyzer is generally divided into oxygen nitrogen hydrogen analyzer part and carbon sulphur content
Analyzer part can also match configuration, this current kind equipment has very much, and institute is specifically using Japanese HORIBA institutes in this programme
Oxygen/nitrogen/hydrogen/carbon/sulphur content analyzer of research and development, other analyzer brands also have Germany ELTRA and U.S. LECO etc..
The temperature thermocouple 3, the bellows-type weighing sensor 8, the resistive heater 10, the wireless control
Air acquisition module 5 and the wireless control nitrogen oxygen transfer passage 4 are all connected with controller 11, and controller is uniformly controlled each list
The action of member.
Specifically biomass molding fuel combustion is carried out using big weight biomass block shaped fuel combustion characteristics test device
The process of characteristic observing and controlling is burnt, is comprised the following steps
1）Set burning situation：The bellows-type weighing sensor is returned to zero, ring is obtained by the temperature thermocouple
Border temperature, the TT＆C software inside host computer start, and record weight change and temperature change in real time；
2）Combustion phases thermogravimetric curve obtains：Biomass molding fuel is put into, is controlled by controller and opens adding thermal resistance
Silk carries out being heated to burning, and the temperature data and bellows-type weighing sensor of the acquisition of controller real-time reception temperature thermocouple are surveyed
The weight data obtained, and the curve that the curve and weight changed over time according to time acquisition temperature varies with temperature, pass through two
Curve binding analysis obtains thermogravimetric curve；
3）Kinetics of combustion parameter is calculated：Bulky grain shaping combustion is calculated according to the three of acquisition curve datas and model
Expect kinetics of combustion parameter, model is model used by general kinetics of combustion；
4）The acquisition of Volatile speed and temperature：During burning carries out, controller passes through wireless control air
Acquisition module, which perceives the presence of volatile matter and records, is precipitated the time, and Precipitation Temperature is obtained by temperature thermocouple；
6）Volatile matter ingredient obtains：Air detection instrument connects wireless control air acquisition module, in real time to volatile matter
Ingredient is parsed, the percentage shared by acquisition volatile matter ingredient and each ingredient, and analytic function is oxygen/nitrogen/hydrogen/carbon/Sulfur Analysis
The ability that instrument possesses in itself；
7）Oxygen demand is calculated：Air detection instrument extremely controls the data sending of volatile matter ingredient and each ingredient percentage
Device processed, controller carry out following calculate：According to oxygen exothermic reaction, calculate combustion phases oxygen demand, i.e., combustion phases consumption
Amount of oxygen；Further according to the content of fixed carbon in ingredient, the oxygen demand of fixed carbon combustion phases is calculated, i.e., is contained shared by carbon
It measures, the oxygen demand in computational theory；
In the present embodiment, handled without nitrogen charging, directly extract flue gas analyzed, meanwhile, the ingredient of volatile matter and
Each ingredient percentage calculates the oxygen demand of each combustion phases, including CH compounds, NH3、CO、CO2 Wait gases into
The detection divided.
The stage it should be noted that, the process of fuel combustion is stage by stage, such as ignition phase, since ignition temperature is opposite
Relatively low, fuel combustion is insufficient, and unburned ingredient is more in volatile matter ingredient, into after combustion phases, with burning not
Disconnected to strengthen, volatile matter is gradually changed into branch, and unburnt ingredient also gradually decreases, until in fray-out of flame, whole process, waving
The composition transfer of hair point gradually changes, and therefore, the combustibility in each stage is different, and oxygen demand can also change, this
Apply for the problem of being exactly the optimal oxygen demand in each stage to be solved.
8）Verify：According to analysis result, controller control wireless control nitrogen oxygen transfer passage adjusts oxygen therapy amount, simultaneously
Step 6 is performed in real time）With 7）, the volatile matter ingredient changed as oxygen-supplying amount changes is obtained, whether verification burning is abundant, follows
Ring is reciprocal, and data are recorded in real time.
The purpose of the program is：Existing biomass boiler in operation due to each combustion phases oxygen-supplying amount with it is aerobic
Magnitude relation mismatch causes the problems such as insufficient, combustion instability, efficiency of combustion are low, smoke evacuation dust is more, pollution environment of burning, limit
The popularization and utilization of biomass energy processed.We by experimental rig measure the speed of separating out of volatile matter, the ingredient of volatile matter and
Each ingredient percentage calculates the oxygen demand of each combustion phases.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
Among scope.
Claims (7)
1. a kind of big weight biomass block shaped fuel combustion characteristics test device, it is characterised in that：It includes the case with chamber
Body, cover board, weighing platform, temperature thermocouple, wireless control nitrogen oxygen transfer passage, wireless control air acquisition module and row
Cigarette channel, the weighing platform are included under being placed in the objective table of box house, be placed in outside babinet and being located at the objective table just
The bellows-type weighing sensor of side and company that is vertically arranged and connecting the objective table and the bellows-type weighing sensor
Extension bar；Resistive heater is installed at the objective table；The external Nitrogen source gases of the wireless control nitrogen oxygen transfer passage and oxygen
Source of the gas, the wireless control air acquisition module include wireless module, the gas collecting end that the corresponding discharge flue is set and
Connect the air detection instrument at the gas collecting end, the temperature thermocouple, the bellows-type weighing sensor, the heating
The control valve for controlling switch, the wireless control air acquisition module and the wireless control nitrogen oxygen transfer passage of resistance wire
Door is all connected with controller, and the controller connection host computer is used to output and input data message.
2. big weight biomass block shaped fuel combustion characteristics test device according to claim 1, it is characterised in that：
The medial surface of the medial surface of the babinet and the cover board is respectively provided with heat insulation foam.
3. big weight biomass block shaped fuel combustion characteristics test device according to claim 2, it is characterised in that：
The objective table includes loading plate and the high temperature resistant bottom plate below loading plate, and the resistive heater is annular solid wall built-up
Formula resistance wire, the resistive heater are suspended above the loading plate and are set around the loading region of the loading plate, institute
The annular solid diameter for stating resistive heater is identical with the interior circular diameter of the loading plate.
4. big weight biomass block shaped fuel combustion characteristics test device according to claim 3, it is characterised in that：
Certain two layers of wire turn local inclination of the annular solid wall-hanging resistive heater forms a perforation, the spy of the temperature thermocouple
Head is set through the perforation.
5. according to the big weight biomass block shaped fuel combustion characteristics test device of claim 1-4 any one of them,
It is characterized in that：The babinet bottom corresponds to the connecting rod and is provided with passage, and the bottom of the objective table has bayonet, the company
The top of extension bar has deck, and the bayonet engages with the deck.
6. big weight biomass block shaped fuel combustion characteristics test device according to claim 5, it is characterised in that：
The lower section of the babinet sets protection chamber, and the connecting rod, the bellows-type weighing sensor are installed in the protection chamber
It is interior.
7. big weight biomass block shaped fuel combustion characteristics test device according to claim 1, it is characterised in that：
The gas collecting end be an air extractor, the air detection instrument be oxygen/nitrogen/hydrogen/carbon/sulphur content analyzer, the air extractor
Oxygen/nitrogen/hydrogen/carbon/sulphur content the analyzer is connected to supply for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414008.8U CN207408261U (en) | 2017-10-30 | 2017-10-30 | Big weight biomass block shaped fuel combustion characteristics test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721414008.8U CN207408261U (en) | 2017-10-30 | 2017-10-30 | Big weight biomass block shaped fuel combustion characteristics test device |
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| Publication Number | Publication Date |
|---|---|
| CN207408261U true CN207408261U (en) | 2018-05-25 |
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ID=62408263
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721414008.8U Expired - Fee Related CN207408261U (en) | 2017-10-30 | 2017-10-30 | Big weight biomass block shaped fuel combustion characteristics test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741379A (en) * | 2017-10-30 | 2018-02-27 | 河南科技学院 | Big weight biomass block shaped fuel combustion characteristics test device and investigating method |
| CN110132788A (en) * | 2019-06-26 | 2019-08-16 | 中国科学院合肥物质科学研究院 | A kind of Multi-example automatic weighing system for the quick water content detection of tobacco |
| CN110186744A (en) * | 2019-04-12 | 2019-08-30 | 武汉钢铁有限公司 | A kind of sintering solid fuel calorific capacity on-line quick detection method and processing unit |
| CN112682817A (en) * | 2020-12-30 | 2021-04-20 | 南京朗润新智能科技有限公司 | Fuel combustion condition analytical instrument in boiler |
| CN112694063A (en) * | 2020-12-31 | 2021-04-23 | 陕西航天西诺美灵电气有限公司 | Intelligent group type oxygen release device and method |
-
2017
- 2017-10-30 CN CN201721414008.8U patent/CN207408261U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741379A (en) * | 2017-10-30 | 2018-02-27 | 河南科技学院 | Big weight biomass block shaped fuel combustion characteristics test device and investigating method |
| CN110186744A (en) * | 2019-04-12 | 2019-08-30 | 武汉钢铁有限公司 | A kind of sintering solid fuel calorific capacity on-line quick detection method and processing unit |
| CN110186744B (en) * | 2019-04-12 | 2020-09-15 | 武汉钢铁有限公司 | Sintered solid fuel calorific value online rapid detection method and processing device |
| CN110132788A (en) * | 2019-06-26 | 2019-08-16 | 中国科学院合肥物质科学研究院 | A kind of Multi-example automatic weighing system for the quick water content detection of tobacco |
| CN112682817A (en) * | 2020-12-30 | 2021-04-20 | 南京朗润新智能科技有限公司 | Fuel combustion condition analytical instrument in boiler |
| CN112694063A (en) * | 2020-12-31 | 2021-04-23 | 陕西航天西诺美灵电气有限公司 | Intelligent group type oxygen release device and method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20201030 |