CN110252214B - Organic silicon fluidized bed fluidization effect experimental device - Google Patents
Organic silicon fluidized bed fluidization effect experimental device Download PDFInfo
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- CN110252214B CN110252214B CN201910473098.5A CN201910473098A CN110252214B CN 110252214 B CN110252214 B CN 110252214B CN 201910473098 A CN201910473098 A CN 201910473098A CN 110252214 B CN110252214 B CN 110252214B
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000005243 fluidization Methods 0.000 title claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title abstract description 11
- 229910052710 silicon Inorganic materials 0.000 title abstract description 10
- 239000010703 silicon Substances 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims description 29
- 238000009826 distribution Methods 0.000 claims description 21
- 239000000376 reactant Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 13
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 10
- 238000007599 discharging Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229940050176 methyl chloride Drugs 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241001635598 Enicostema Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/12—Organo silicon halides
- C07F7/16—Preparation thereof from silicon and halogenated hydrocarbons direct synthesis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses an experimental device for fluidization effect of an organic silicon fluidized bed, which comprises a cylinder body, wherein the cylinder body comprises a lateral cyclone air inlet area, a plurality of groups of lateral cyclone air inlet devices are arranged on the outer wall of the cylinder body of the lateral cyclone air inlet area, each lateral cyclone air inlet device comprises a connecting block A fixedly connected to the outer wall of the cylinder body, a first accommodating cavity communicated with the lateral cyclone air inlet area is arranged in each connecting block A, an angle-adjustable lateral cyclone air inlet pipe is arranged in each first accommodating cavity, one end of each lateral cyclone air inlet pipe extends into the cylinder body along the horizontal direction, the other end of each lateral cyclone air inlet pipe is fixedly connected to a shaft body of a rotating shaft, one end of the rotating shaft is inserted into the first accommodating cavity along the vertical direction, the shaft body is in rotating and sealing connection with the wall of the first accommodating cavity, a connecting.
Description
Technical Field
The invention relates to an organic silicon fluidized bed fluidization effect experimental device.
Background
The organic silicon is an important component of the new chemical material industry, is widely applied to various fields of chemical industry, machinery, agriculture and the like by virtue of excellent performance, and the core equipment for producing the organic silicon is an organic silicon fluidized bed. When the fluidized bed works, silicon powder is required to be fluidized in the equipment and generate gas-solid phase reaction with methyl chloride to generate a methyl silicon mixed monomer, the reaction is exothermic reaction, and the reaction temperature is required to be kept at about 300 ℃.
A general fluidized effect experimental device of an organic silicon fluidized bed comprises a frame as shown in figure 1, wherein a cylinder body 10 is fixedly connected on the frame through bolts, an upper end enclosure 40 is connected on the upper portion of the cylinder body 10 in a flange mode, a lower end enclosure 30 is connected on the lower portion of the cylinder body 10 in a flange mode, a finished gas outlet pipe 42 and a solid material feed inlet 41 are arranged on the top of the upper end enclosure 40, a net-shaped steel beam area 14, a heat exchange tube bundle area 15 and a side-spinning gas inlet area 11 are sequentially arranged in the cylinder body 10 from top to bottom, a main gas inlet pipe 50 is further arranged outside the side-spinning gas inlet area 11 and used for being communicated with a side-spinning gas inlet pipe 122 inserted into the side-spinning gas inlet area, each area is connected, the inside welding of low head 30 has gas distribution plate 31, and the bottom sets up reactant discharging pipe 32 and supplementary gas intake pipe 33, and this experimental apparatus can only carry out simple experiment to the vulcanization reaction normally.
There are following problems, one, the side is revolved the intake pipe and is pressed certain angle welded fastening and connect on the barrel outer wall, can't control methyl chloride gas air current through the injection angle who adjusts the side and revolve the intake pipe and form the ascending methyl chloride air current of general spiral and blow up the fluidization of messenger's silica flour, two, in the reaction zone (heat exchanger tube bank district) because temperature probe is less can't effectual carry out effective monitoring to reaction temperature, three, current gas distribution plate is dull and stereotyped, can not carry out effectual collection when reaction waste material discharges, and gas distribution plate generally welds and the dismouting is changed comparatively inconvenient on the section of thick bamboo wall.
Disclosure of Invention
The invention mainly aims to provide an organic silicon fluidized bed fluidization effect experimental device which is provided with a side-swirl air inlet structure with an adjustable injection angle, can better experiment the reaction effect brought by chloromethane spiral airflow under different angle conditions, discharges waste materials by arranging a gas distribution plate into a better conical shape, and observes the temperature change at each position inside the device caused by the flow field change in real time by uniformly arranging a plurality of temperature measuring points in the reaction area of the device, thereby being convenient to test the fluidization effect under different air inlet states.
In order to achieve the purpose, the invention adopts the technical scheme that:
organosilicon fluidized bed fluidization effect experimental apparatus, experimental apparatus includes the barrel, the barrel includes the side precession district, be equipped with multiunit side precession air inlet unit on the barrel outer wall in side precession district, side precession air inlet unit includes fixed connection in the connecting block A of barrel outer wall, be equipped with the first holding chamber with side precession district intercommunication in the connecting block A, first holding intracavity is equipped with the side intake pipe of adjustable angle, side whirl intake pipe one end is followed in the horizontal direction stretches into the barrel, other end fixed connection is in the axle body of axis of rotation, axis of rotation one end is inserted along vertical direction first holding intracavity, axle body and the first holding chamber wall rotate sealing connection, be equipped with the interface channel in the axis of rotation, the interface channel both ends communicate outside air supply and side whirl intake pipe respectively. Through with the axle body of sidespin intake pipe horizontal fixed connection in the axis of rotation to insert first holding intracavity with the vertical direction of axis of rotation, set up interface channel in the axis of rotation, communicate outside air supply and sidespin intake pipe respectively, thereby realize through rotating the axis of rotation that the sidespin intake pipe inserts the angular adjustment in the barrel, satisfy the experiment requirement.
Furthermore, a connecting block B is connected to the rotating shaft body outside the wall of the first accommodating cavity in a rotating and sealing mode, a second accommodating cavity is arranged in the connecting block B, a port at one end of the connecting channel is arranged in the second accommodating cavity, and the second accommodating cavity is communicated with an air source. Through setting up connecting block B to rotate connecting block B and be connected with the axis of rotation axle body, set up second holding chamber in connecting block B, and set up the air inlet of axis of rotation in-connection passageway in the second holding intracavity, through the outside air supply of second holding chamber intercommunication, with air supply pipeline and connecting block B fixed connection, make the air supply need not to rotate simultaneously with the axis of rotation.
Further, connecting block B fixed connection is in connecting block A, fixedly connected with seal receptacle A between connecting block A and the connecting block B, seal receptacle A includes sealing bottom plate, sealing bottom plate is protruding towards second holding intracavity, is close to first holding chamber one side and forms third holding chamber, insert second holding chamber after the through-hole that the axis of rotation passed third holding chamber bottom, the axis of rotation shaft body that is located third holding intracavity has cup jointed the sealing washer, the third holding intracavity still inlays and is equipped with the seal clamp plate that is used for compressing tightly the sealing washer, seal clamp plate fixed connection is on sealing bottom plate, the axis of rotation is worn out the shaft body of second holding chamber department and is equipped with the seal receptacle B that sets up with seal receptacle A symmetry. Through connecting block A and connecting block B sharing a seal receptacle A, the structure is simpler.
Further, be located and be equipped with supporting platform on the barrel outer wall on first holding chamber upper portion, axis of rotation one end is passed supporting platform, is located and is provided with the screw thread in the axis of rotation of supporting platform both sides, the axis of rotation passes through nut threaded connection back and presss from both sides tight supporting platform fixed connection, axis of rotation axle shaft body fixedly connected with rotates the handle, fixed surface is connected with the angle scale on the supporting platform, is located the axis of rotation free end tip fixedly connected with angle pointer on supporting platform upper portion. Set up supporting platform, thereby wear out supporting platform with the axle head of axis of rotation after thereby guaranteeing through nut screw thread locking that the axis of rotation angle after the adjustment is not changing, the rethread sets up the angle pointer at the axis of rotation free end tip, thereby it inserts the angle in the barrel to make clear and definite sidespin intake pipe in the fixed angle scale that sets up of supporting platform upper surface.
Furthermore, the shaft end of the rotating shaft, which is positioned in the first accommodating cavity, is inserted into the support groove on the inner wall of the first accommodating cavity. The support groove is arranged to limit the rotating shaft and prevent the rotating shaft from wearing the inner wall of the first accommodating cavity.
Further, the experimental device comprises nine temperature measuring tubes, a net-shaped steel beam area and a heat exchange tube bundle area are further arranged in the barrel, each temperature measuring tube comprises a display part and a temperature measuring part, the display parts penetrate out of the barrel and are fixedly connected with the barrel, the temperature measuring parts are inserted into the heat exchange tube bundle area from the net-shaped steel beam area, the temperature measuring part of one temperature measuring tube is located in the center of the barrel, and the other eight temperature measuring parts are uniformly distributed along the circumference of the barrel. The temperature in the cylinder can be better monitored by arranging the plurality of temperature measuring tubes.
Furthermore, the temperature measuring part is respectively provided with an upper temperature measuring probe, a middle temperature measuring probe and a lower temperature measuring probe from top to bottom along the length direction, the middle temperature measuring probe is positioned in the middle of the heat exchange tube bundle, the ratio of the distance from the upper temperature measuring probe to the upper end of the heat exchange tube bundle to the middle distance of the heat exchange tube bundle is 1:2, the ratio of the distance from the lower temperature measuring probe to the lower end of the heat exchange tube bundle to the middle distance of the heat exchange tube bundle is 1:2, and the display part is provided with a temperature indicator which is respectively matched with the three temperature measuring probes. The radiation range of each temperature measuring probe is consistent, and the reaction temperature is monitored more effectively.
Further, the barrel still includes the low head, fixed connection has the reactant discharging pipe on the low head, pass through flange joint between low head and the side whirl air inlet area, be equipped with gas distribution plate in the low head, gas distribution plate is the back taper, and the toper edge passes through the flange and presss from both sides tight fixed connection between low head and side whirl air inlet area, be equipped with supplementary air inlet on the gas distribution plate facial features, be located gas distribution plate face center and be equipped with the through-hole, the through-hole diameter slightly is greater than reactant discharging pipe external diameter, the through-hole top is slightly inserted to free end on the reactant discharging pipe. The fluidization effect of gas distribution plate's structure to silica flour also has great influence, and this structure is torn open and is traded the convenience, and the convenience is torn open and is traded different structure gas distribution plate experiment achievement during the experiment, and what simultaneously can be better discharges solid waste material.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: the side whirl air inlet structure with the adjustable injection angle is arranged, the reaction effect brought by chloromethane spiral airflow under the condition of different angles in the experiment can be better, the waste materials with better conical shapes are discharged by setting the gas distribution plate, and the temperature change of all parts in the equipment caused by the change of a flow field is observed in real time by uniformly setting a plurality of temperature measuring points in the reaction area of the device, so that the fluidization effect under different air inlet states is conveniently tested.
Drawings
FIG. 1 is a schematic structural diagram of an experimental apparatus;
FIG. 2 is a schematic structural view of a side-swirl air inlet device;
FIG. 3 is a schematic top view of the side-swirl air inlet device;
FIG. 4 is a top view of the support platform;
FIG. 5 is a structural diagram of a swing track of a side-rotating intake pipe;
FIG. 6 is a schematic structural view of the rotating shaft at the shaft head;
FIG. 7 is a schematic structural view of the lower shaft head of the rotating shaft;
FIG. 8 is a schematic top view of the temperature measuring tube;
FIG. 9 is a schematic view of a temperature tube structure;
FIG. 10 is a schematic view of the internal structure of the socket of the temperature measuring part;
FIG. 11 is a schematic view of a gas distribution plate.
Detailed Description
The invention relates to an experimental device for fluidization effect of an organic silicon fluidized bed, which comprises a cylinder body 10, the cylinder body 10 comprises a side air intake area 11, a plurality of groups of side air intake devices 12 are arranged on the outer wall of the cylinder body 10 of the side air intake area 11, the side-swirl air inlet device 12 comprises a connecting block A121 fixedly connected to the outer wall of the cylinder 10, a first accommodating cavity 1211 communicated with the side cyclone air inlet area 11 is arranged in the connecting block A121, an angle-adjustable side-rotating air inlet pipe 122 is arranged in the first accommodating cavity 1211, one end of the side-rotating air inlet pipe 122 extends into the cylinder 10 along the horizontal direction, the other end is fixedly connected to the shaft body of the rotating shaft 123, one end of the rotating shaft 123 is inserted into the first receiving cavity 1211 along the vertical direction, the shaft body is connected with the wall of the first receiving cavity 1211 in a rotating and sealing manner, a connecting channel is arranged in the rotating shaft 123, and two ends of the connecting channel are respectively communicated with an external air source and the side-swirl air inlet pipe 122.
Specifically, the connecting block a121 is welded to the outer wall of the lateral rotation air intake region 11 of the cylinder 10, a first accommodating cavity 1211 communicated with the lateral rotation air intake region 11 is arranged in the connecting block a121, a lateral rotation air intake pipe is horizontally arranged in the first accommodating cavity 1211, the lateral rotation air intake pipe is welded and sealed and fixed to the shaft body of the rotating shaft 123, the rotating shaft 123 is inserted into the first accommodating cavity 1211 in the vertical direction and is in sealed and rotating connection with the first accommodating cavity 1211, a connecting channel is arranged on the rotating shaft 123 to respectively communicate an external air source with the lateral rotation air intake pipe 122, so that when the rotating shaft 123 rotates, the angle of the lateral rotation air intake pipe 122 inserted into the cylinder 10 is driven to change, and the angle of the lateral rotation air intake pipe 122 can.
Furthermore, a connecting block B is connected to the shaft body of the rotating shaft 123 outside the wall of the first accommodating cavity 1211, a second accommodating cavity 1221 is arranged in the connecting block B, a port at one end of the connecting channel is opened in the second accommodating cavity 1221, and the second accommodating cavity 1221 is communicated with an air source.
Particularly, through rotating on the axis of rotation 123 axle body and cup jointing a connecting block B, connecting block B can be a three-way structure's connecting block, and axis of rotation 123 is sealed to be rotated and is connected in connecting block B for another connecting channel of connecting block B can pass through ooff valve lug connection air intake manifold according to the design requirement originally, only need rotate axis of rotation 123 and can drive the rotation of sidespin intake pipe 122, need not to make the air supply rotate thereupon.
Further, the connecting block B is fixedly connected to the connecting block a121, a sealing seat a124 is fixedly connected between the connecting block a121 and the connecting block B, the sealing seat a124 includes a sealing bottom plate 1241, the sealing bottom plate 1241 protrudes toward the inside of the second accommodating cavity 1221 and is close to one side of the first accommodating cavity 1211 to form a third accommodating cavity, the rotating shaft 123 passes through a through hole at the bottom of the third accommodating cavity and then is inserted into the second accommodating cavity 1221, a shaft body of the rotating shaft 123 located in the third accommodating cavity is sleeved with a sealing ring 1242, a sealing pressing plate 1243 for pressing the sealing ring 1242 is further embedded in the third accommodating cavity, the sealing pressing plate 1243 is fixedly connected to the sealing bottom plate 1241, and a shaft body of the rotating shaft 123 penetrating through the second accommodating cavity 1221 is sleeved with a sealing seat B125 symmetrically arranged with the sealing seat a 124.
Specifically, the connecting block B is fixedly connected with the connecting block a121 through a bolt, the connecting block B is further connected with the sealing seat a124 through a bolt, and the sealing seat a124 simultaneously realizes the sealing and rotating connection of the rotating shaft 123 relative to the connecting block a121 and the connecting block B, so that the structure is simpler and the installation is convenient.
Further, be equipped with supporting platform 13 on the barrel 10 outer wall that is located first holding chamber 1211 upper portion, supporting platform 13 is passed to axis of rotation 123 one end, is provided with the screw thread on the axis of rotation 123 that is located supporting platform 13 both sides, the axis of rotation 123 presss from both sides tight supporting platform 13 fixed connection after through nut threaded connection, axis of rotation 123 shaft body fixedly connected with rotates handle 1231, surface fixedly connected with angle scale 131 on supporting platform 13, the free end fixedly connected with angle pointer 1232 of axis of rotation 123 that is located supporting platform 13 upper portion.
Specifically, a supporting platform 13 is welded on the outer wall of the barrel 10 above the connecting block a121, the rotating shaft 123 is provided with an upper shaft head 1235, a shaft barrel 1234 and a lower shaft head 1233, wherein the upper shaft head 1235 is connected with the upper end of the shaft barrel 1234 through a thread, the upper shaft head 1235 penetrates through the supporting platform 13, the supporting platform 13 is locked by a nut so that the rotating shaft 123 does not rotate after the rotating angle is fixed, a radial connecting hole is formed in the part of the shaft barrel 1234, which is located in the second accommodating cavity 1221, a lateral air inlet pipe 122 is welded by a tee joint, the lower shaft head 1233 is connected by a thread so that the rotating shaft 123 is communicated with the second accommodating cavity 1221 and the lateral air inlet pipe 122 through a connecting channel, an angle dial 131 is arranged on the supporting platform 13, an angle pointer 1232 is fixed on the upper shaft head 1235, the angle recording by an operator is facilitated, the locking nut on the upper shaft head 1235 is loosened to rotate during adjustment, after the rotation is in place, the locking nut fixes the angle, and the rotation shaft 123 is conveniently adjusted in angle through the rotation white head 1231 arranged on the upper shaft head 1235.
Further, the shaft end of the rotating shaft 123 located in the first receiving cavity is inserted into the supporting groove 12111 on the inner wall of the first receiving cavity 1211.
Specifically, a support groove 12111 is welded to the inner wall of the first receiving cavity 1211 to limit the position of the lower shaft 1233 of the rotation shaft 123, and prevent the inner wall of the first receiving cavity 1211 from being worn.
Further, the experimental device comprises nine temperature measuring tubes 20, a net-shaped steel beam area 14 and a heat exchange tube bundle area 15 are further arranged in the cylinder 10, each temperature measuring tube 20 comprises a display part 21 and a temperature measuring part 22, the display part 21 penetrates out of the cylinder 10 and is fixedly connected with the cylinder 10, the temperature measuring parts 22 are inserted into the heat exchange tube bundle area 15 from the net-shaped steel beam area 14, the temperature measuring part 22 of one temperature measuring tube is located at the center of the cylinder 10, and the rest eight temperature measuring parts 22 are uniformly distributed along the circumference of the cylinder 10.
Particularly, 9 temperature measuring tubes 20 are arranged in the experimental device, so that the temperature of the reaction zone in the cylinder 10 can be effectively detected, and experimental data can be conveniently recorded.
Furthermore, the temperature measuring part 22 is respectively provided with an upper temperature measuring probe 221, a middle temperature measuring probe 222 and a lower temperature measuring probe 223 from top to bottom along the length direction, the middle temperature measuring probe 222 is located at the middle position of the heat exchange tube bundle, the ratio of the distance from the upper temperature measuring probe 221 to the upper end of the heat exchange tube bundle to the distance from the upper end of the heat exchange tube bundle to the middle of the heat exchange tube bundle is 1:2, the ratio of the distance from the lower temperature measuring probe 223 to the lower end of the heat exchange tube bundle to the distance from the lower end of the heat exchange tube bundle to the middle of the heat exchange tube bundle is 1.
Specifically, the temperature measuring part 22 is provided with a sleeve, three probe lines are arranged inside the sleeve, the periphery of the sleeve is filled and protected by high-temperature-resistant heat-insulating cotton, the temperature measuring probe extends out of a probe port and is screwed on a small threaded hole of the probe fixing cap through threaded connection, and the internal thread of the threaded fixing cap is matched with the external thread of the probe port to fix the probe fixing cap on the probe port, so that the fixing and sealing purposes are realized. Here, the thermometer is a digital thermometer with a long probe, such as a DTM-491 type thermometer.
Further, barrel 10 still includes low head 30, fixed connection has reactant discharging pipe 32 on the low head 30, through flange joint between low head 30 and the side whirl intake zone 11, be equipped with gas distribution plate 31 in the low head 30, gas distribution plate 31 is the back taper, and the toper edge presss from both sides tight fixed connection in low head 30 and side whirl intake zone 11 between through the flange, be equipped with supplementary air inlet 311 on the gas distribution plate 31 face, be located gas distribution plate face center and be equipped with the through-hole, the through-hole diameter slightly is greater than reactant discharging pipe 32 external diameter, free end slightly inserts the through-hole top on the reactant discharging pipe 32.
Specifically, by providing the gas distribution plate 31 with a tapered shape, the waste material can be better collected to the reactant discharging pipe 32 and discharged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The experimental device for fluidization effect of the organosilicon fluidized bed comprises a cylinder body (10), wherein the cylinder body (10) comprises a side precession air region (11), and a plurality of groups of side precession air devices (12) are arranged on the outer wall of the cylinder body (10) of the side precession air region (11), and is characterized in that each side precession air device (12) comprises a connecting block A (121) fixedly connected to the outer wall of the cylinder body (10), a first accommodating cavity (1211) communicated with the side precession air region (11) is arranged in each connecting block A (121), an angle-adjustable side whirl air inlet pipe (122) is arranged in each first accommodating cavity (1211), one end of each side whirl air inlet pipe (122) extends into the cylinder body (10) along the horizontal direction, the other end of each side whirl air inlet pipe is fixedly connected to the shaft body of a rotating shaft (123), one end of the rotating shaft (123) is inserted into the first accommodating cavity, The shaft body rotates sealing connection with first holding chamber (1211) wall, be equipped with the interface channel in axis of rotation (123), the interface channel both ends communicate outside air supply and sidespin intake pipe (122) respectively, lie in axis of rotation (123) shaft body outside first holding chamber (1211) chamber wall and rotate sealing connection and have connecting block B, be equipped with second holding chamber (1221) in the connecting block B, interface channel one end port is seted up in second holding chamber (1221), second holding chamber (1221) intercommunication air supply.
2. The fluidization effect experimental apparatus for the organosilicon fluidized bed according to claim 1, wherein the connecting block B is fixedly connected to a connecting block A (121), a sealing seat A (124) is fixedly connected between the connecting block A (121) and the connecting block B, the sealing seat A (124) comprises a sealing bottom plate (1241), the sealing bottom plate (1241) protrudes toward the second accommodating cavity (1221), a third accommodating cavity is formed at a side close to the first accommodating cavity (1211), the rotating shaft (123) passes through a through hole at the bottom of the third accommodating cavity and then is inserted into the second accommodating cavity (1221), a sealing ring (1242) is sleeved on a shaft body of the rotating shaft (123) in the third accommodating cavity, a sealing pressing plate (1243) for pressing the sealing ring (1242) is further embedded in the third accommodating cavity, and the sealing pressing plate (1243) is fixedly connected to the sealing bottom plate (1241), the shaft body of the rotating shaft (123) penetrating through the second accommodating cavity (1221) is sleeved with a sealing seat B (125) which is symmetrical to the sealing seat A (124).
3. The fluidized effect experimental apparatus of the organosilicon fluidized bed according to claim 1, wherein a supporting platform (13) is disposed on an outer wall of the cylinder (10) located at an upper portion of the first accommodating chamber (1211), one end of the rotating shaft (123) passes through the supporting platform (13), threads are disposed on the rotating shaft (123) located at two sides of the supporting platform (13), the rotating shaft (123) is fixedly connected to the supporting platform (13) through a nut and a thread, a rotating handle (1231) is fixedly connected to a shaft body of the rotating shaft (123), an angle scale (131) is fixedly connected to an upper surface of the supporting platform (13), and an angle pointer (1232) is fixedly connected to a free end of the rotating shaft (123) located at an upper portion of the supporting platform (13).
4. The fluidization effect experimental apparatus for fluidized bed of organosilicon according to claim 3, wherein the shaft end of the rotating shaft (123) located in the first receiving cavity is inserted into the supporting groove (12111) on the inner wall of the first receiving cavity (1211).
5. The fluidized effect experimental device of the organosilicon fluidized bed according to claim 1, wherein the experimental device comprises nine temperature measuring tubes (20), the cylinder (10) is further provided with a reticular steel beam region (14) and a heat exchange tube bundle region (15), the temperature measuring tubes (20) comprise a display part (21) and a temperature measuring part (22), the display part (21) penetrates through the cylinder (10) and is fixedly connected with the cylinder (10), the temperature measuring part (22) is inserted from the reticular steel beam region (14) towards the heat exchange tube bundle region (15), the temperature measuring part (22) of one temperature measuring tube is located at the center of the cylinder (10), and the other eight temperature measuring parts (22) are uniformly distributed along the circumference of the cylinder (10).
6. The fluidized effect experimental device of the organosilicon fluidized bed according to claim 5, characterized in that the temperature measuring part (22) is respectively provided with an upper temperature measuring probe (221), a middle temperature measuring probe (222) and a lower temperature measuring probe (223) from top to bottom along the length direction, the middle temperature measuring probe (222) is located at the middle position of the heat exchange tube bundle, the ratio of the distance from the upper temperature measuring probe (221) to the upper end of the heat exchange tube bundle to the middle distance of the heat exchange tube bundle is 1:2, the ratio of the distance from the lower temperature measuring probe (223) to the lower end of the heat exchange tube bundle to the middle distance of the heat exchange tube bundle is 1:2, and the display part (21) is provided with temperature indicating gauges respectively matched with the three temperature measuring.
7. The fluidization effect experimental device for the organosilicon fluidized bed according to claim 1, wherein the cylinder (10) further comprises a lower head (30), the lower head (30) is fixedly connected with a reactant discharge pipe (32), the lower head (30) is connected with the side precession area (11) through a flange, a gas distribution plate (31) is arranged in the lower head (30), the gas distribution plate (31) is in an inverted cone shape, the tapered edge is fixedly connected between the lower head (30) and the side precession area (11) through flange clamping, an auxiliary gas inlet (311) is arranged on the surface of the gas distribution plate (31), a through hole is arranged in the center of the surface of the gas distribution plate, the diameter of the through hole is slightly larger than the outer diameter of the reactant discharge pipe (32), and the free end of the reactant discharge pipe (32) is slightly inserted above the through hole.
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Application publication date: 20190920 Assignee: JIANGSU XIONGYUE PETROLEUM MECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY|JIANGSU KESHENG CHEMICAL MACHINERY Co.,Ltd. Contract record no.: X2021980010939 Denomination of invention: Experimental device for fluidization effect of silicone fluidized bed Granted publication date: 20210702 License type: Common License Record date: 20211020 |
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Address after: 223005 Huaian 1 Jiangsu economic and Technological Development Zone Patentee after: HUAIYIN INSTITUTE OF TECHNOLOGY Patentee after: Jiangsu Kesheng Intelligent Equipment Co.,Ltd. Address before: 223005 Huaian 1 Jiangsu economic and Technological Development Zone Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY Patentee before: JIANGSU KESHENG CHEMICAL MACHINERY Co.,Ltd. |