CN202499843U - High-temperature high-pressure quick pyrolysis device of solid fuel - Google Patents
High-temperature high-pressure quick pyrolysis device of solid fuel Download PDFInfo
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- CN202499843U CN202499843U CN2012200677066U CN201220067706U CN202499843U CN 202499843 U CN202499843 U CN 202499843U CN 2012200677066 U CN2012200677066 U CN 2012200677066U CN 201220067706 U CN201220067706 U CN 201220067706U CN 202499843 U CN202499843 U CN 202499843U
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Abstract
The utility model discloses a high-temperature high-pressure quick pyrolysis device of solid fuel, belonging to the field of thermal analysis testing devices of industrial furnaces. The high-temperature high-pressure quick pyrolysis device comprises a heating table device and a pressurizing device, wherein the heating table device is used for loading and heating the solid fuel, the pressurizing device is used for providing a high-pressure environment for the heating table device, the heating table device comprises an electrothermal screen, a heating control system, a circular water cooling device and a gas sweeper, the heating control system is connected with the electrothermal screen, the circular water cooling device is used for cooling the heating table device, and the gas sweeper is arranged below the electrothermal screen and is used for sweeping gas from the electrothermal screen. The utility model provides a test device capable of simulating a high-temperature high-pressure quick pyrolysis process under a solid fuel real condition.
Description
Technical field
The utility model belongs to the thermal analysis test apparatus field.
Background technology
Chemical reaction mechanism under researching high-temperature, high pressure, the high heating rate for analyzing solid-fuelled pyrolysis, flame mechanism, and is grasped it and is being had very important significance near the physical and chemical process Changing Pattern under the full-scale condition.In order to study solid-fuelled reaction kinetics, the experimental technique that generally adopts both at home and abroad has thermogravimetry, settling process, fluidization process, the experiment of small-sized hot-die.But all there is certain limitation in these four kinds of experimental techniques; And in the research of solid-fuelled pyrolytic reaction mechanism; Especially in the research of preparation condition to aspects such as hole microtexture, chemically reactives of pyrolysis product; Need higher sample weighing precision, highly controlled temperature course, and sample receives other condition interference as few as possible in experimentation.Therefore, design meets experimental installation ten minutes necessity of these research needs.
Summary of the invention
The purpose of the utility model is: a kind of testing apparatus of realizing HTHP fast pyrogenation process under the simulated solid fuel full-scale condition is provided.
The utility model purpose realizes through following technical proposals:
A kind of solid fuel HTHP rapid pyrolysis apparatus; The warm table device that comprises carrying, heat solid fuel; And the pressurizing device that hyperbaric environment is provided for the warm table device; Said warm table device comprises the heating wire net, connects heating wire net's heating control system, cools off the water-circulating cooling device of warm table, and places the gas purging device of heating wire net below to heating wire net's sweeping gas.
As optimal way; Said gas purging device comprises the gas blow pipe that places the heating wire net below and be communicated with the outer source of the gas of pressurizing device; Said gas blow pipe is a hollow sleeve, is provided with the multilayer insulating panel layer along the transverse section in the sleeve pipe, and said carrier ring is made up of dividing plate two-layer or the multiwalled parallel interval; Have some holes on the dividing plate, also be placed with the Metal Ball bigger on the dividing plate than the aperture.
As optimal way, said heating wire net comprises heating electrode and is sandwiched in the double-level-metal silk screen between heating electrode.As optimal way, said circulating water cooling device comprises water tank, and joining water box to one side heating electrode, again to the other side heating electrode, is back to the piping system of water tank at last.As optimal way, said warm table device also comprises the sample table that places the wire cloth below at interval, and the circulating water cooling device piping system between said heating electrode is through in this sample table, and said gas purging device runs through this sample table.
As optimal way, said pressurizing device comprises source of the gas, closed shell, and is located at pressure unit, SV and relief valve on the closed shell, is provided with said heating wire net and gas blow device in the said closed shell.
As optimal way, also comprise the tail gas heat radiation case that is communicated with pressurizing device, said tail gas heat radiation case is a double-layer sleeve structure, and its inner sleeve is communicated with pressurizing device and is provided with scoop, and outer sleeve is connected with the opposite heat-eliminating medium of exhaust gas flow direction in the flow direction and the inner sleeve.
Workflow: open closed shell; Solid fuel evenly is laid on the wire cloth center; Fuel is laid diameter and is about the gas blow pipe internal diameter; The sealing closed shell feeds high pressure gas through source of the gas, and reaches when measuring closed shell internal pressure, superpressure the emergency relief and the normal purpose of release through pressure unit and SV, relief valve.Before energising and after lasting till that pyrolysis finishes, the sweeping gas of gas purging device through sleeve pipe and sample table, blows away the gaseous product after the solid-fuelled pyrolysis, reduces the influence of gaseous product and solid fuel secondary reaction.Be provided with some carrier rings in the sleeve pipe, the gas of guaranteeing to come out from source of the gas can guarantee that passing of low speed, current stabilization is tiled in the solid fuel of wire cloth after through several layers dividing plate and steel ball; After the energising, heating electrode heating of metal silk screen capable of using and top solid fuel thereof.Discharge tail gas and heat-eliminating medium countercurrent flow in inner sleeve and outer sleeve respectively in the tail gas heat radiation case, and place scoop in inner sleeve, being provided with, collect viscous substances such as refrigerative tar.Before energising and after lasting till that pyrolysis finishes, through the purpose of water tank with cooling water circulation cooling heating electrode and sample table.In intensification heat-processed, control solid-fuelled heating rate through heating control system, to reach the purpose of fast pyrogenation.
The beneficial effect of the utility model: the high-temp combustion state of solid fuel particle in the warm table device simulation industrial furnace; And reach the control of rapid heating through heating control system; Reach the control of device inner high voltage through pressurizing device; Blow device purges, thereby realizes the practical situation of solid fuel HTHP fast pyrogenation in the simulation industrial furnace, and avoids the influence of gaseous product and solid fuel secondary reaction.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment warm table device;
Fig. 3 is the structural representation of the utility model embodiment tail gas heat radiation case.
Embodiment
Following non-limiting examples is used to explain the utility model.
Shown in Fig. 1 to 3; A kind of solid fuel HTHP rapid pyrolysis apparatus; The warm table device 6 that comprises carrying, heat solid fuel; And be the pressurizing device that warm table device 6 provides hyperbaric environment, the warm table device comprises the heating wire net, connects heating wire net's heating control system 4, and places the gas purging device of heating wire net below to heating wire net's sweeping gas.The wire cloth 12 that the heating wire net comprises heating electrode 11 and is sandwiched in 11 of heating electrodes.In the experimentation, at first solid fuel is milled to suitable size, solid fuel evenly is laid on wire cloth 12 centers.Pressurizing device comprises gas tank 2, closed shell, and sealing constitutes closed shell with base plate by shell 5, adopts the bolt seals structure between the two, and adopts the metal wound gasket, can guarantee safely, not leak and realize the simulation of high-pressure situations; Subsequently with shell 5 and bed bolt good seal; Feed high pressure gas through the gas tank in the pressurizing device 2; Make the intravital pressure of closed housing reach preset pressure, and reach the purpose of emergency relief and normal release when measuring shell internal pressure, superpressure through the pressure unit on the shell 59 and SV 10, relief valve 8.The gas purging device comprises the gas blow pipe that places wire cloth 12 belows and be communicated with the outer gas tank 1 of pressurizing device, and gas blow pipe is a hollow sleeve 15.Wire cloth 12 is apart from sample table 13 about 2～3mm, wraps up sheet mica around the sample table 13 and is used for heat insulationly, dug circular hole in the middle of the sample table 13, makes things convenient for the feeding of sleeve pipe 15.Before energising, from gas tank 1 effusive solid fuel sweeping gas,, blow away the gaseous product after the solid-fuelled pyrolysis through sleeve pipe 15 and sample table 13, reduce the influence of gaseous product and solid fuel secondary reaction, purge and last till that pyrolysis finishes for some time afterwards.After the energising, heating electrode 11 heating of metal silk screens 12 capable of using and top solid fuel thereof.Simultaneously; Wire cloth 12 tops also are provided with one and fall funnel shaped gas drainage system 21; The tail gas heat radiation case 7 of the outer setting of closed shell and its UNICOM, it is a double-layer sleeve structure, emission gases and cooling material be countercurrent flow in inner sleeve 19 and outer sleeve 20 respectively; And place scoop 18 in inner sleeve 19, being provided with, collect viscous substances such as refrigerative tar.The sweeping gas of sleeve pipe 15 promptly passes through gas drainage system 21 drainages to tail gas heat radiation case 7 with the gaseous product after the solid fuel pyrolysis at once, reduces the time of secondary reaction as far as possible.It is consistent with tail gas heat radiation case 7 exhaust emissions flows that sleeve pipe 15 is blown into gas flow, guaranteeing to purge under the prerequisite, guarantees simultaneously again dynamically to maintain under the preset high pressure all the time in the closed shell.The sleeve pipe 15 interior multilayer insulating panel layers 16 that are provided with along the transverse section; Said carrier ring 16 is made up of dividing plate two-layer or the multiwalled parallel interval; Require to be provided with some apertures according to current stabilization in the dividing plate; Place the small ball more bigger than hole diameter on the dividing plate again, the gas of guaranteeing to come out from gas tank 1 can guarantee that passing of low speed, current stabilization is tiled in the solid fuel of 12 on double-level-metal silk screen after through several layers dividing plate and steel ball;
Before energising and after lasting till that pyrolysis finishes; Through water tank 3 water coolant is introduced from copper pipe 17; Flow through U type pipe 14 successively, behind left side heating electrode 11, sample table 13, the right heating electrode 11, last cycling stream is gone into water tank 3 to reach the purpose of cooling heating electrode 11, sample table 13.In intensification heat-processed, through the solid-fuelled heating rate of heating control system 4 controls, to reach the purpose of fast pyrogenation.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. solid fuel HTHP rapid pyrolysis apparatus; It is characterized in that: the warm table device that comprises carrying, heat solid fuel; And the pressurizing device that hyperbaric environment is provided for the warm table device; Said warm table device comprises the heating wire net, connects heating wire net's heating control system, cools off the water-circulating cooling device of warm table, and places the gas purging device of heating wire net below to heating wire net's sweeping gas.
2. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 1; It is characterized in that: said gas purging device comprises the gas blow pipe that places the heating wire net below and be communicated with the outer source of the gas of pressurizing device; Said gas blow pipe is a hollow sleeve, is provided with the multilayer insulating panel layer along the transverse section in the sleeve pipe, and said carrier ring is made up of dividing plate two-layer or the multiwalled parallel interval; Have some holes on the dividing plate, also be placed with the Metal Ball bigger on the dividing plate than the aperture.
3. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 1 is characterized in that: said heating wire net comprises heating electrode and is sandwiched in the double-level-metal silk screen between heating electrode.
4. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 3, it is characterized in that: said circulating water cooling device comprises water tank, and joining water box to one side heating electrode, again to the other side heating electrode, is back to the piping system of water tank at last.
5. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 4; It is characterized in that: said warm table device also comprises the sample table that places the wire cloth below at interval; Circulating water cooling device piping system between said heating electrode is through in this sample table, and said gas purging device runs through this sample table.
6. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 1; It is characterized in that: said pressurizing device comprises source of the gas, closed shell; And be located at pressure unit, SV and the relief valve on the closed shell, be provided with said heating wire net and gas blow device in the said closed shell.
7. solid fuel HTHP rapid pyrolysis apparatus as claimed in claim 1; It is characterized in that: also comprise the tail gas heat radiation case that is communicated with pressurizing device; Said tail gas heat radiation case is a double-layer sleeve structure; Its inner sleeve is communicated with pressurizing device and is provided with scoop, and outer sleeve is connected with the opposite heat-eliminating medium of exhaust gas flow direction in the flow direction and the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200677066U CN202499843U (en) | 2012-02-28 | 2012-02-28 | High-temperature high-pressure quick pyrolysis device of solid fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200677066U CN202499843U (en) | 2012-02-28 | 2012-02-28 | High-temperature high-pressure quick pyrolysis device of solid fuel |
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| Publication Number | Publication Date |
|---|---|
| CN202499843U true CN202499843U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200677066U Expired - Lifetime CN202499843U (en) | 2012-02-28 | 2012-02-28 | High-temperature high-pressure quick pyrolysis device of solid fuel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403679A (en) * | 2014-11-21 | 2015-03-11 | 西安交通大学 | Device and method for quickly pyrolysing biomass by adopting electric heat supply network |
| CN108414391A (en) * | 2018-03-06 | 2018-08-17 | 中国石油大学(华东) | A kind of experimental provision and experimental method of high temperature and high pressure steam pyrolytic reaction |
-
2012
- 2012-02-28 CN CN2012200677066U patent/CN202499843U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403679A (en) * | 2014-11-21 | 2015-03-11 | 西安交通大学 | Device and method for quickly pyrolysing biomass by adopting electric heat supply network |
| CN108414391A (en) * | 2018-03-06 | 2018-08-17 | 中国石油大学(华东) | A kind of experimental provision and experimental method of high temperature and high pressure steam pyrolytic reaction |
| CN108414391B (en) * | 2018-03-06 | 2024-03-19 | 中国石油大学(华东) | Experimental method for high-temperature high-pressure steam pyrolysis reaction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121024 |
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| CX01 | Expiry of patent term |