CN207619030U - Chemical industry production system - Google Patents

Abstract

The utility model discloses a kind of chemical industry production systems, including reaction mechanism, heat exchange mechanisms and rectifying mechanism；The reaction mechanism includes autoclave body and lid, the autoclave body is equipped with first seal, the first seal is matched in the second seal on the lid, and the first seal is equipped with first conical surface, and the second seal is equipped with and matched second conical surface of first conical surface.First seal and second seal is respectively set in the utility model on autoclave body and lid, and two sealing elements can keep autoclave body inner sealing, avoids the chlorine that trichlorosilane generates from being leaked out from the junction of lid and autoclave body, to ensure the safety of device.

Description

Chemical industry production system

Technical field

The utility model belongs to industrial production technology field, more particularly, to a kind of chemical industry production system.

Background technology

Trichlorosilane is a kind of key chemical raw material of photovoltaic industry chain leading portion, is prepared using chemical deposition high-purity Polycrystalline silicon material obtains the disorderly arranged polysilicon of crystal face, in now producing, it usually needs carried out at heat exchange to intermediate product Reason, but existing device, heat exchange efficiency is poor, leads to the low output of trichlorosilane, the production cost increases.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides a kind of chemical industry production system that productivity is high.

To achieve the goals above, the utility model uses following technical scheme：A kind of chemical industry production system, including it is anti- Answer mechanism, heat exchange mechanisms and rectifying mechanism；It is characterized in that：The reaction mechanism includes autoclave body and lid, is set on the autoclave body There is first seal, which matches in the second seal on the lid；The heat exchange mechanisms include Shell and heat exchange pipe fitting, the housing sidewall be equipped with feed liquor part and liquid output element, the feed liquor part include feed liquor take over and along The isocon of the shell length direction setting.First seal and second is respectively set on autoclave body and lid in the utility model Sealing element, two sealing elements can keep autoclave body inner sealing, avoid the pernicious gases such as the chlorine of trichlorosilane generation from lid and kettle The junction of body is revealed, and is caused production dangerous, be ensure that equipment safety；Setting heat exchange pipe fitting can be such that two different fluids mutually hand over Heat exchange amount reduces energy loss, makes full use of energy, economize on resources；Isocon can slow down inlet tube fluid flow rate, and fluid is made to rush Power impact is hit on shunting inside pipe wall, is then flowed into housing hollow, impact force of the fluid to the pipe fitting that exchanges heat in shell is reduced, Heat exchange pipe fitting partial fracture is avoided, heat exchange pipe fitting service life is extended；And keep fluid flow rate small, extend fluid and is flowed in cavity Time extends and exchanges heat pipe fitting time of contact, improves heat transfer effect, while improving production efficiency.

Further, the first seal is equipped with first conical surface, and the second seal is equipped with and described first Matched second conical surface of the conical surface, by the way that first seal and second seal are respectively set on autoclave body and lid, and two The matched conical surface is respectively set on sealing element, when lid is covered on autoclave body, when lid is locked at autoclave body, first seal On first conical surface fitted closely with second conical surface in second seal together with, and then ensure have between autoclave body and lid Good sealing effect.

Further, the lid is lock onto by a locking mechanism on the autoclave body, which includes being set to institute State the boss on autoclave body, overturning is connected at least two connectors on the boss and can be with the connection on the lid The fixing piece that part is detachably connected；When lid is covered on autoclave body, the bottom end of lid can be inconsistent with boss surface, and then convex Platform can play a supporting role to lid, lid can be locked on autoclave body additionally by the cooperation of connector and fixing piece, at this time Second first conical surface of the conical surface pair applies an extruding force, fits together, ensure that good so that two conical surfaces are closer Sealing effect.

Further, for the boss equipped at least two flutings, each fluting is interior to be equipped with a fixing axle, the connection Part includes the threaded rod and be bolted in the spiral shell that the axle sleeve being movably set in the fixing axle, one end are fixed on the axle sleeve Locking member on rasp bar, the fixing piece are equipped with and the matched card slot of the threaded rod；Threaded rod is connected on axle sleeve, into And threaded rod can be rotated with axle sleeve around fixing axle, when lid is covered on autoclave body, overturning threaded rod is allowed to be caught in card slot It is interior, then tighten spiro connecting piece, so that it may firmly be locked at lid on autoclave body.

Further, the shell end is equipped with a liquid-storing cavity, one is equipped in the liquid-storing cavity, the liquid-storing cavity is divided into the The separator of one chamber and second chamber, the separator include the first demarcation strip and the second demarcation strip, first demarcation strip And second have vacuum gap between demarcation strip；Separator separates liquid-storing cavity, into the fluid not exchanged heat, fluid in first chamber It is buffered in the intracavitary, reduces flow velocity；The fluid that second chamber is completed into heat exchange keeps temperature one convenient for being mutually mixed between fluid It causes；Temperature is exchanged with each other between fluid in the avoidable first chamber of vacuum gap and second chamber, is kept fluid temperature (F.T.) constant, is carried High heat exchange efficiency.

Further, the rectifying mechanism includes tower body, column plate, inlet pipe member, discharging pipe fitting and reflux pipe fitting, the tower In vivo be equipped with the matched liquid separation component of institute's inlet pipe member, which includes the liquid separation part being connected with the inlet pipe member With the liquid separation net below the liquid separation part, the liquid separation part includes taking over and more water conservancy diversion of being connected with the inlet pipe member Pipe.The diversion pipe with it is described take over be connected and the diversion pipe be equipped with multiple liquid-leaking nozzles；Liquid separation component is set, it will be from feed pipe The material that part enters is dispersity from State Transition, reduces the volume that material flocks together, convenient for steam to material Fully heating, to which material is heated abundant, low boiling component and high boiling component separation, low boiling component in material rise, From discharging pipe fitting discharge；Diversion pipe is set, can be tentatively to feed separation, the material being gathered in together enters in diversion pipe, leads Flow tube volume is less than feed pipe, and then realizes preliminary exposition；Material may make to pass through leakage by the liquid-leaking nozzle on diversion pipe Fluid apertures further divides volume of material, then passes through liquid separation net, and the online net of liquid separation makes the material of drippage become smaller once again, from And distilling effect is good；And the liquid separation member principle is simple, and it is easy to operate, it is hardly damaged.

Further, the diversion pipe with it is described take over be connected and the diversion pipe be equipped with multiple liquid-leaking nozzles, the leakage Hole includes multiple first through hole in the middle part of diversion pipe and the second through-hole set on water conservancy diversion tube end, the hole of the first through hole Diameter is less than the aperture of the second through-hole；The aperture of first through hole is less than to the aperture of the second through-hole, material is when by first through hole Because pressure pre-pressure is big, therefore flow velocity is fast；Material pressure when through the second through-hole is big, and flow velocity is small, thus by first through hole and The aperture of second through-hole is set as different, and the amount of the material flowed out out of through-hole can be kept identical, and then material disperses through liquid separation net The amount opened is identical.

Further, the column plate is equipped with activity layer of charcoal and multiple penetrates to the fixed pin in the activity layer of charcoal, institute It states and is wrapped with a fixation net on active carbon layer；Active carbon layer can absorb the gas in material, and is filtered to material, fixed Net can fix active carbon layer, keep active carbon layer fastening, fixed pin to be inserted into active carbon layer, active carbon layer is kept to stablize.

Further, the tower body is externally provided with an insulating layer, and vacuum gap is equipped between the insulating layer and tower body；Insulating layer can Rectifying column is kept the temperature, vacuum gap reduces temperature and distributes outward, and the temperature in rectifying column is kept to stablize.

Further, the heat exchange pipe fitting is arranged for wavy shaped configuration；The pipe fitting waveform that exchanges heat setting, fluid is in the heat exchange Flow velocity reduces in pipe fitting, and the extension for the pipe fitting that exchanges heat, and extends with the time of contact of another fluid, improves heat transfer effect.

In conclusion first seal and second seal is respectively set in the utility model on autoclave body and lid, two is close Sealing can keep autoclave body inner sealing, and the pernicious gases such as the chlorine of trichlorosilane generation is avoided to be let out from the junction of lid and autoclave body Dew causes production dangerous, ensure that equipment safety；Setting heat exchange pipe fitting can make two different fluids be exchanged with each other heat, reduce Energy loss makes full use of energy, economizes on resources；Isocon can slow down inlet tube fluid flow rate, make fluid impingement force impact in It shunts on inside pipe wall, then flows into housing hollow, reduce fluid to the impact force for the pipe fitting that exchanges heat in shell, avoid heat exchanger tube Part partial fracture extends heat exchange pipe fitting service life；And keep fluid flow rate small, extend fluid flowing time in cavity, extends With heat exchange pipe fitting time of contact, heat transfer effect is improved, while improving production efficiency.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the reaction mechanism of the utility model.

Fig. 3 is enlarged drawing at A in Fig. 2.

Fig. 4 is the autoclave body vertical view of the reaction mechanism of the utility model.

Fig. 5 is the autoclave body front view of the reaction mechanism of the utility model.

Fig. 6 is the lid vertical view of the reaction mechanism of the utility model.

Fig. 7 is the structural schematic diagram of the heating mechanism of the utility model.

Fig. 8 is the structural schematic diagram of the rectifying mechanism of the utility model.

Fig. 9 is enlarged drawing at B in Fig. 8.

Figure 10 is enlarged drawing at C in Fig. 8.

Specific implementation mode

In order to make those skilled in the art be better understood from the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.

As Figure 1-10 shows, a kind of chemical industry production system, including reaction mechanism 1, heat exchange mechanisms 2 and rectifying mechanism 3, Described in reaction mechanism 1 include autoclave body 11 and lid 12,11 open end lateral wall of the autoclave body be equipped with first seal 13, The first seal 13 is equipped with first conical surface, and the lid 12 is equipped with and the first seal 13 matched second Sealing element 14, the second seal 14 be equipped with matched second conical surface of first conical surface, specifically, the autoclave body 11 open end lateral walls are equipped with cricoid first resettlement groove 11, and the first seal 13 is to be arranged in first resettlement groove Rubber turn, the lateral wall of the rubber turn is conical surface setting, and the lid 12 is equipped with cricoid second and disposes Slot 121, the second seal 14 are the rubber turn being arranged in the resettlement groove, and the rubber ring madial wall sets for the conical surface It sets, when lid 12 is sealed on autoclave body 11, two conical surfaces on two sealing elements can fit closely together, and then play preferable Sealing effect, it is preferred that first conical surface is equipped with an annular groove 131, and second conical surface is equipped with and the groove 131 matched annular projections 141, when two conical surfaces fit closely together, 131 inner wall of groove and raised 141 surfaces can The contact area increased together between two conical surfaces is fitted closely, sealing effect is further improved.

Further, the lid 12 can be lock onto by a locking mechanism 15 on the autoclave body 11, specifically, the lock Locking structure 155 includes the boss 112 being set on the autoclave body 11, overturns at least two connectors being connected on the boss 112 166 and the fixing piece 1717 that can be detachably connected with the connector 16 on the lid 12, the boss 129 be equipped with At least two flutings 129, specifically, the number of the connector 16 and fluting 129 is all four, four flutings 129 are around convex 112 circumferencial direction interval of platform is uniformly arranged, and the fixing piece 17 is fixed on metal derby on 12 lateral wall of lid for one and number is Four, four metal derbies are uniformly distributed around 12 lateral wall of lid is circumferentially-spaced, and four flutings are set between 129 two sides It is equipped with a fixing axle 128, the connector 166 includes that the axle sleeve 161 being movably set in the fixing axle 128, bottom end are connected In on the axle sleeve 161 threaded rod 162 and the locking member 63 that is bolted on the threaded rod 162, set on the fixing piece 17 Have with 162 matched card slot 171 of the threaded rod, specifically, the locking member be a nut, when lid 12 is sealed on autoclave body When on 11, overturning threaded rod 162 makes it be caught in the card slot 171 being arranged on metal derby, and then tightening nut can be by lid 12 are firmly locked on autoclave body 11, at this point, second conical surface is fitted tightly under the action of nut compaction forces with first conical surface Together, so that having good sealing effect between lid 12 and autoclave body 11.

Further, polylith reinforcing plate 18 is equipped between 111 side wall of the boss 129 and autoclave body；Specifically, the reinforcement 18 rectangular triangular structure of plate, one right-angle side and the welding of 112 lower surface of boss, the lateral wall of another right-angle side and autoclave body 11 Welding enhances the bonding strength between 11 side wall of boss 112 and autoclave body by the setting of reinforcing plate 18, ensures 112 energy of boss The supporting role of a stabilization is played to lid 12.

Specifically, the heat exchange mechanisms 2 include shell 21 and heat exchange pipe fitting 211；The shell 21 is to be internally provided with sky The cylindrical steel material shell of chamber 210, the heat exchange pipe fitting 211 is arranged in the cavity 210 of shell 21, and the heat exchange pipe fitting 211 be the steel pipe of U-shaped structure, and for two open positions in the same end, which is wavy shaped configuration；In the shell 21 A feed liquor part 22 is provided on the side wall of upper end, which includes feed liquor take over 221 and isocon 222, the feed liquor Take over 221 is steel pipe, and the isocon 222 is the pipeline that is laterally arranged of side wall along shell, and the bottom of the pipeline and The side wall of shell 21 closely welds together, and is connected with feed liquor take over 221；It is provided in the bottom of the isocon 222 Multiple through-holes 223, which is laterally arranged along isocon 222, and the spacing between each two through-holes 223 is identical, institute The through-hole 223 stated passes through the side wall of shell 21 to be connected with cavity 210 from the bottom of isocon 222 always；Therefore liquid from into Liquid take over 221 flows into isocon 222, is then flowed into cavity 210 from through-hole 223；Meanwhile in 21 lower end of the shell Side wall is equipped with a liquid output element 23, which is hollow steel pipe, and fluid can flow out from the liquid output element 23, fluid when outflow It converges at together, is mutually mixed, keep the temperature between fluid uniform, reduce fluid temperature variations amount.

Further, the tube sheet 216 with multiple circular holes, the tube sheet 216 and institute are equipped on the end of the shell 21 The heat exchange pipe fitting 211 stated is connected, and the circular hole on tube sheet 216 is connected with the chamber of heat exchange pipe fitting 211；And in shell 21 End be additionally provided with a lid 25, which is arc, and the lid 25 and tube sheet 216 form a liquid-storing cavity 213, It is provided with a separator 214 in the liquid-storing cavity 213, which is divided into first chamber 201 and the by liquid-storing cavity 213 Two chambers 202, specifically, 214 side of separator is vertically arranged on tube sheet 216, the other side is connected with lid 25, in institute It states and is also provided with that a fluid enters pipeline 251 and fluid is gone out pipeline 252 on lid 25, the fluid enters pipeline 251 are connected with first chamber 201, and the outgoing pipeline 252 of fluid is connected with second chamber 202；In order to avoid first chamber 201 It is exchanged with each other, is set on the separator 214 there are one vacuum gap 253, specifically with the fluid temperature (F.T.) in second chamber 202 , the separator 214 includes first partition 251 and second partition 252, the first partition 251 and second partition 252 For two steel plates of identical mistake, gap of the vacuum gap 253 between first partition 251 and second partition 252 is by vacuumizing shape At.

Further, in order to accelerate to exchange heat, multiple heat exchanger fins 217 are provided on the heat exchange pipe fitting 211, each two is changed Spacing size between backing is identical, which is that setting heat exchange pipe fitting 211 is passed through from the opening 207, to exchange heat Piece is fixed on heat exchange pipe fitting 211.

Further, the rectifying mechanism 3 includes tower body 31, column plate 32, inlet pipe member 311, discharging pipe fitting 312 and reflux Pipe fitting 313, wherein the tower body 31 is pipe tower made of steel material, the column plate 32 is fixed in tower body 31, and tower 32 side of plate and the side wall of tower body 31 have spacing, and five column plates 32 are set in tower body 31, are equipped in the lower end of the tower body 31 One jet chimney 316, steam are entered to from the jet chimney 316 in tower body 31；The inlet pipe member 311 is located at the steam pipe The top in road 316, and the inlet pipe member 311 is located at the lower section of column plate 32, while the discharging pipe fitting 312 is located at tower body 31 On upper end, the reflux pipe fitting 313 is located at the top of the column plate 32 of maximum layer, the lower section for the pipe fitting 312 that discharges, described Inlet pipe member 311, discharging pipe fitting 312 and reflux pipe fitting 313 are identical steel material pipeline.

In order to which by feed separation, a liquid separation component 33, the liquid separation component 33 are preferably provided in the tower body 31 Including liquid separation part 331 and liquid separation net 332, wherein the liquid separation net 332 is the steel wire that a steel wire is compiled into, and the steel wire Edge fixed by a steel ring；The liquid separation part 331 includes multiple take overs 339 and diversion pipe 338, and described takes over 339 are directly connected with inlet pipe member 311, which is steel pipe, and the diversion pipe 338 is connected with take over 339, water conservancy diversion The quantity of pipe 338 is five, and is arranged along the side wall annular taken over；And multiple liquid-leaking nozzles are equipped on diversion pipe 338 337, material enters in diversion pipe 338 to flow out in the liquid-leaking nozzle 337.

Further, the quantity for the ease of the material that is flowed out in liquid-leaking nozzle 337 in the same period is consistent, institute The liquid-leaking nozzle 337 stated is set as two kinds of forms, and liquid-leaking nozzle 337 includes first through hole 336 and the second through-hole 335, and described The interlude of one through-hole 336 setting diversion pipe 338, the left and right ends of second through-hole 335 setting diversion pipe 338, and the The aperture of one through-hole 336 is less than the aperture of the second through-hole 335；The setting can be convenient for the rate phase for keeping steam to heat material Together, the time for the boiling point that low-boiling point material reaches in material is identical, improves the efficiency of heating surface.

Further, active carbon layer 321 is equipped on the column plate 32, which has wrapped up one admittedly Determine net 322, which is the net that finer wire is worked out, and has certain flexibility, therefore active carbon layer 321 is being installed It can be deformed, be easily installed to a certain extent when with dismounting；Multiple fixed pins are equipped on the bottom of the column plate 32 323, when installation, fixed pin 323 passes through fixed net 322, is then inserted directly into active carbon layer 321, and then to active carbon layer 321 realize fixation.

In order to enhance heat insulation effect, set outside the tower body 31 there are one insulating layer 314, which is one Steel material shell, and have by vacuumizing the vacuum layer 315 to be formed between the insulating layer 314 and tower body 31, reduce tower body Temperature inside 31 improves rectification efficiency to external diffusion.In order to further enhance the rectification efficiency of rectifying column, the discharging A condensing part 34 is connected on pipe fitting 312, which includes being equipped with the liner 341 of condensation chamber 349 and being set in liner 341 Shell 342, and the end of shell 342 bends inwards and welds together with the outer wall of liner 341, in the shell 342 and liner There is flow liquid gap 348 between 341, and a water inlet pipe 343 and outlet pipe are connected with respectively in the bending place of 342 upper and lower ends of shell 344, the water inlet pipe 343 is connected with flow liquid gap 348 respectively with outlet pipe 344；Therefore water inlet pipe 343 goes out into cold water Cold water is discharged water pipe 344, keeps internal water temperature-resistant.

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention Every other embodiment should all belong to the range of the utility model protection.

Claims (10)

1. a kind of chemical industry production system, including reaction mechanism (1), heat exchange mechanisms (2) and rectifying mechanism (3)；It is characterized in that： The reaction mechanism (1) includes autoclave body (11) and lid (12), and the autoclave body (11) is equipped with first seal (13), this first Sealing element (13) is matched with the second seal (14) on the lid (12)；The heat exchange mechanisms (2) include shell (21) and heat exchange pipe fitting (211), shell (21) side wall are equipped with feed liquor part (22) and liquid output element (23), the feed liquor part (22) include isocon (222) that feed liquor is taken over (221) and is arranged along the shell (21) length direction.

2. chemical industry production system according to claim 1, it is characterised in that：The first seal (13) is equipped with the One conical surface, the second seal (14) are equipped with and matched second conical surface of first conical surface.

3. chemical industry production system according to claim 1, it is characterised in that：The lid (12) passes through a locking mechanism (15) it lock onto on the autoclave body (11), which includes the boss (112) being set on the autoclave body (11), overturning At least two connectors (16) that are connected on the boss (112) and can be with the connector on the lid (12) (16) fixing piece (17) being detachably connected.

4. chemical industry production system according to claim 3, it is characterised in that：The boss (112) is equipped at least two It slots (129), a fixing axle (128) is equipped in each fluting (129), the connector (16) includes being movably set in institute It states the axle sleeve (161) in fixing axle (128), the threaded rod (162) that one end is fixed on the axle sleeve (161) and is bolted in described Locking member (163) on threaded rod (162), the fixing piece (17) are equipped with and the threaded rod (162) matched card slot (171)。

5. chemical industry production system according to claim 1, it is characterised in that：Shell (21) end is equipped with one and stores liquid Chamber (213), the liquid-storing cavity (213) is interior to be divided into first chamber (201) and second chamber equipped with one by the liquid-storing cavity (213) (202) separator (214), the separator (214) include the first demarcation strip (251) and the second demarcation strip (252), and described the There is vacuum gap (253) between one demarcation strip (251) and the second demarcation strip (252).

6. chemical industry production system according to claim 1, it is characterised in that：The rectifying mechanism (3) includes tower body (31), column plate (32), inlet pipe member (311), discharging pipe fitting (312) and reflux pipe fitting (313)；One is equipped in the tower body (31) With the matched liquid separation component (33) of the inlet pipe member (311), which includes and the inlet pipe member (311) Connected liquid separation part (331) and the liquid separation net (332) below the liquid separation part (331)；Include on the liquid separation part (331) What is be connected with the inlet pipe member (311) takes over (339) and more diversion pipes (338), and the diversion pipe (338) is taken over described (339) it is connected and the diversion pipe (338) is equipped with multiple liquid-leaking nozzles (337).

7. chemical industry production system according to claim 6, it is characterised in that：The diversion pipe (338) is taken over described (339) it is connected and the diversion pipe (338) is equipped with multiple liquid-leaking nozzles (337), the liquid-leaking nozzle (337) includes multiple set on water conservancy diversion Manage the first through hole (336) in the middle part of (338) and the second through-hole (335) set on diversion pipe (338) end, the first through hole (336) aperture is less than the aperture of the second through-hole (335).

8. chemical industry production system according to claim 6, it is characterised in that：The column plate (32) is equipped with active carbon layer (321) and it is multiple penetrate to the fixed pin (323) in the active carbon layer (321), be wrapped on the active carbon layer (321) One fixes net (322).

9. chemical industry production system according to claim 6, it is characterised in that：The tower body (31) is externally provided with an insulating layer (314), vacuum gap (253) is equipped between the insulating layer (314) and tower body (31).

10. chemical industry production system according to claim 1, it is characterised in that：The heat exchange pipe fitting (211) is waveform Structure setting.