CN117906402A - Energy-saving recovery device of sodium silicate kiln - Google Patents
Energy-saving recovery device of sodium silicate kiln Download PDFInfo
- Publication number
- CN117906402A CN117906402A CN202410312289.4A CN202410312289A CN117906402A CN 117906402 A CN117906402 A CN 117906402A CN 202410312289 A CN202410312289 A CN 202410312289A CN 117906402 A CN117906402 A CN 117906402A
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- CN
- China
- Prior art keywords
- heat exchange
- sodium silicate
- arc
- energy
- abrasion
- Prior art date
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000004115 Sodium Silicate Substances 0.000 title claims abstract description 30
- 229910052911 sodium silicate Inorganic materials 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims description 47
- 238000001125 extrusion Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims 8
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000001354 calcination Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to an energy-saving recovery device of a sodium silicate kiln, which comprises: the heat exchange tube comprises an outer shell, wherein supporting plates are fixedly arranged at the upper end and the lower end of the inner part of the outer shell, a plurality of heat exchange tubes which are distributed in a staggered mode are fixedly arranged between the two supporting plates, and a plurality of anti-wear mechanisms are arranged on the supporting plates above the heat exchange tubes. The invention is mainly used for preventing the pipe wall of the heat exchange pipe from being worn by smoke through arranging the wear-proof mechanism, wherein the annular groove body is arranged on the outer annular surface of the wear-proof short pipe, and the driving part is used for driving the sealing part to move, so that the fixing of the wear-proof short pipe and the sealing effect on the annular groove body are realized, the traditional interference fit mode of the wear-proof short pipe is replaced, and the fixing effect on a plurality of wear-proof short pipes can be relieved only by operating the driving part when the wear-proof short pipe is replaced.
Description
Technical Field
The invention relates to the field of kilns, in particular to an energy-saving recovery device of a sodium silicate kiln.
Background
At present, in the process for preparing sodium silicate by using a precipitation method, after a water glass solution reacts with acid, precipitation, filtration, washing, drying and calcination are needed respectively, wherein during calcination, a special calcination kiln is needed, and most sodium silicate calcination kilns generally use fuel gas and assist in adding combustion air, so that the fuel gas can be fully combusted; in the kiln calcination process, a preheating device is used for preheating combustion air in order to enable the fuel gas to be fully combusted.
In the prior art, most of preheating devices used in sodium silicate kilns are tubular air preheaters, and the preheating devices mainly realize the function of energy-saving recovery by heat exchange between heat in recovered flue gas and external cold air; when the tubular air preheater is used, ash particles in the flue gas and larger particles which are not completely combusted can collide with the pipe wall because the high-speed flue gas washes the heating surface of the heat exchange pipe in the air preheater, so that the flue gas inlet position of the heat exchange pipe is easily worn, in order to solve the problem, an anti-abrasion short pipe is sleeved at the upper end of the heat exchange pipe to prevent the high-speed flue gas from directly contacting the upper end of the inner wall of the heat exchange pipe, and after the anti-abrasion short pipe is worn to a certain extent, the novel anti-abrasion short pipe is replaced, however, in order to prevent the flue gas from entering between the anti-abrasion short pipe and the heat exchange pipe wall and prevent the anti-abrasion short pipe from rotating relatively, the anti-abrasion short pipe is in interference fit with the heat exchange pipe, so that the operation difficulty is high when the anti-abrasion short pipe is replaced, and the required time is long.
Disclosure of Invention
The invention aims to solve the problems and provide the energy-saving recovery device of the sodium silicate kiln, which has a simple structure and a reasonable design.
The invention solves the technical problems by the following technical proposal:
An energy-saving recovery device for a sodium silicate kiln, comprising: the anti-wear mechanism is aligned with ports of the heat exchange tubes in corresponding rows and comprises a mounting plate, a driving part, a plurality of sealing parts and a plurality of anti-wear short tubes, wherein the mounting plate is arranged at the top of the upper support plate, the driving part is arranged on the mounting plate and is used for driving the sealing parts to move, an annular groove body is formed in the outer annular surface of the anti-wear short tubes, the sealing parts are arranged at the upper ends of the heat exchange tubes and are used for sealing gaps between the annular groove body and the inner walls of the heat exchange tubes and fixing the positions of the anti-wear short tubes, a plurality of uniformly distributed mounting holes are formed in the top of the mounting plate, and the lower ends of the anti-wear short tubes are spliced at the upper ends of the heat exchange tubes through the mounting holes;
When the anti-abrasion short pipe is disassembled, the driving part drives the sealing parts to synchronously move, the sealing parts release the sealing and fixing functions of the anti-abrasion short pipe, the mounting plate is pulled upwards, and the anti-abrasion short pipe is separated from the heat exchange pipe.
As a further optimization scheme of the invention, the mounting plates are aligned with the heat exchange tubes in the corresponding rows, and the positions of the mounting holes on the mounting plates are in one-to-one correspondence with the heat exchange tubes.
As a further optimization scheme of the invention, the driving part comprises an incomplete gear, two rotating rods and a plurality of transmission gears, wherein a device groove is formed in the mounting plate, the incomplete gear is rotatably arranged at one end of the device groove, the transmission gears are arranged in the device groove, the bottom ends of the transmission gears are rotatably connected with the inner bottom wall of the device groove, the transmission gears are sleeved on the outer ring surfaces of the corresponding anti-abrasion short pipes, the transmission gears are meshed with each other, the incomplete gear is meshed with the transmission gears on the side, one rotating rod is in threaded connection with the axis position of the incomplete gear, the other rotating rod is in threaded connection with the top of the supporting plate, and the lower end of the rotating rod is in threaded connection with the top of the supporting plate.
As a further optimization scheme of the invention, the sealing component comprises a plurality of arc plates and a plurality of extrusion blocks, the upper end of the inner wall of the heat exchange tube is provided with a plurality of movable grooves, the arc plates are correspondingly and slidably arranged in the movable grooves, one side of each arc plate, which is close to each movable groove, is fixedly provided with an inclined surface block, each extrusion block is slidably arranged on the inner side wall of each movable groove, the inclined surface blocks are matched with the extrusion blocks, the arc plates are provided with through holes, a plurality of reset springs are fixedly arranged between the arc plates and the movable grooves, sealing gaskets are respectively arranged on two opposite side edges of each arc plate, the top of each extrusion block is fixedly connected with a connecting rod, the bottom of each transmission gear is provided with a plurality of inserting grooves, and the top ends of the connecting rods are inserted in the inserting grooves.
As a further optimization scheme of the invention, one side of the arc-shaped plate, which is close to the annular groove body, is fixedly connected with a positioning protrusion, the annular groove body is provided with a plurality of positioning grooves, and the positioning protrusion is clamped in the positioning grooves.
As a further optimization scheme of the invention, the driving part further comprises a rotating part, the rotating part comprises a rotating handle, the bottom of the rotating handle is fixedly connected with a plug-in connector, the upper end of the rotating rod is provided with a plug-in hole, and the plug-in connector is plugged in the plug-in hole.
As a further optimization scheme of the invention, the mounting plate is provided with the locking component, the locking component comprises a locking shaft, the locking shaft is arranged at one end of the mounting plate, which is close to the incomplete gear, the top end of the locking shaft is fixedly connected with a pull cover, the outer side of the locking shaft is sleeved with a connecting spring between the pull cover and the mounting plate, the outer side of the locking shaft is sleeved with the connecting spring, two ends of the connecting spring are respectively connected with the bottom of the pull cover and the top of the mounting plate, two locking clamping holes are formed in the top of the incomplete gear, and the bottom end of the locking shaft is matched with the locking clamping holes.
As a further optimized scheme of the invention, the lower end of the outer ring surface of the pull cover is provided with a conical surface, the plug connector is provided with an L shape, and the end part of the horizontal section of the plug connector is provided with an arc shape.
As a further optimization scheme of the invention, the number of the arc-shaped plates and the number of the extrusion blocks are four, and the number of the inserting grooves is four.
As a further optimization scheme of the invention, the number of the reset springs at one side of the arc-shaped plate is four, and the four reset springs are uniformly distributed at one side of the arc-shaped plate.
The invention has the beneficial effects that:
The invention is mainly used for preventing the pipe wall of the heat exchange pipe from being worn by smoke through arranging the anti-wear mechanism, wherein the annular groove body is arranged on the outer annular surface of the anti-wear short pipe, and the driving part is used for driving the sealing part to move, so that the fixing of the anti-wear short pipe and the sealing effect on the annular groove body are realized, the traditional anti-wear short pipe is replaced by adopting an interference fit mode, the fixing effect on a plurality of anti-wear short pipes can be relieved only by operating the driving part when the anti-wear short pipe is replaced, and the plurality of anti-wear short pipes can be synchronously separated from the heat exchange pipe by pulling the mounting plate, so that the operation of taking down the anti-wear short pipes one by one is omitted, the replacement operation steps of the anti-wear short pipe are greatly simplified, the operation is easier, and the replacement operation speed is accelerated.
Drawings
FIG. 1 is a schematic diagram of a sodium silicate kiln energy-saving recovery device;
FIG. 2 is a schematic structural view of a support plate, a heat exchange tube and an anti-wear mechanism in the sodium silicate kiln energy-saving recovery device;
FIG. 3 is a cross-sectional view of a support plate, heat exchange tubes and wear prevention mechanism in a sodium silicate kiln energy-saving recovery device provided by the invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged schematic view of portion B shown in FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged schematic view of section C of FIG. 3 in accordance with the present invention;
FIG. 7 is a schematic diagram of the structure between the driving part and the anti-abrasion short pipe in the sodium silicate kiln energy-saving recovery device;
FIG. 8 is a sectional view of the heat exchange tube and the anti-abrasion short tube in the sodium silicate kiln energy-saving recovery device;
FIG. 9 is a schematic diagram of the structure of the exterior of a heat exchange tube in the sodium silicate kiln energy-saving recovery device;
FIG. 10 is a schematic structural view of a sealing member in an energy-saving recovery device of a sodium silicate kiln;
FIG. 11 is a schematic view of the structure between the anti-abrasion short pipe and the arc plate in the sodium silicate kiln energy-saving recovery device;
FIG. 12 is a schematic diagram of the structure of a transmission gear in the energy-saving recovery device of the sodium silicate kiln;
fig. 13 is a schematic diagram of the structure between the incomplete gear and the locking shaft and the rotating member in the sodium silicate kiln energy-saving recovery device.
In the figure: 1. an outer housing; 2. a support plate; 3. a heat exchange tube; 4. an anti-wear mechanism; 41. a mounting plate; 42. a driving part; 421. an incomplete gear; 422. a rotating rod; 423. a transmission gear; 424. a device slot; 425. a rotating member; 4251. a rotating handle; 4252. a plug-in component; 4253. a plug hole; 43. a sealing member; 431. an arc-shaped plate; 432. extruding a block; 433. a movable groove; 434. a bevel block; 435. a through hole; 436. a return spring; 437. a sealing gasket; 438. a connecting rod; 439. a plug-in groove; 4310. positioning the bulge; 4311. a positioning groove; 4312. a first guide groove; 44. a wear-resistant short pipe; 45. an annular groove body; 46. a mounting hole; 47. a locking member; 471. a locking shaft; 472. pulling the cover; 473. a connecting spring; 474. locking the clamping hole; 5. and a second guide groove.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
As shown in fig. 1 to 13, an energy-saving recovery device for a sodium silicate kiln, comprising: the heat exchange tube heat exchanger comprises an outer shell body 1, support plates 2 are fixedly arranged at the upper end and the lower end of the inner portion of the outer shell body 1, a plurality of heat exchange tubes 3 which are distributed in a staggered mode are fixedly arranged between the two support plates 2, eleven anti-abrasion mechanisms 4 are arranged on the support plates 2 above, each anti-abrasion mechanism 4 comprises a mounting plate 41, a driving part 42, a plurality of sealing parts 43 and a plurality of anti-abrasion short tubes 44, the mounting plates 41 are aligned with the heat exchange tubes 3 in corresponding longitudinal rows, the sealing parts 43 and the anti-abrasion short tubes 44 are the same in number with the heat exchange tubes 3, the mounting plates 41 are arranged at the tops of the support plates 2, the driving parts 42 are arranged on the mounting plates 41, the driving parts 42 are used for driving the sealing parts 43 to move, annular groove bodies 45 are arranged on the outer annular surfaces of the heat exchange tubes 3, the sealing parts 43 are used for sealing gaps between the annular groove bodies 45 and the inner walls of the heat exchange tubes 3, and fixing the positions of the anti-abrasion short tubes 44 at the same time, the tops of the mounting plates 41 are provided with a plurality of uniformly distributed mounting holes 46, the lower ends of the anti-abrasion short tubes 44 are inserted into the upper ends of the heat exchange tubes 3 through the mounting holes 46, and the positions of the mounting holes 46 correspond to the heat exchange tubes 3 one by one.
When the anti-abrasion short tube 44 is dismounted, the driving part 42 is operated, so that the driving part 42 can drive the plurality of sealing parts 43 to synchronously move, the sealing parts 43 can be separated from the annular groove body 45, the sealing and fixing effects on the anti-abrasion short tube 44 are further relieved, and then the plurality of anti-abrasion short tubes 44 synchronously move upwards along with the mounting plate 41 and are separated from the heat exchange tube 3 by pulling the mounting plate 41 upwards, so that the synchronous dismounting operation of the plurality of anti-abrasion short tubes 44 is completed.
As an embodiment of the present invention, the driving component 42 includes an incomplete gear 421, two rotating rods 422 and a plurality of transmission gears 423, the inside of the mounting plate 41 is provided with a device groove 424, the incomplete gear 421 is rotatably mounted at one end of the device groove 424, the transmission gears 423 are disposed in the device groove 424, the bottom end of the transmission gears 423 is rotatably connected with the inner bottom wall of the device groove 424, the transmission gears 423 are sleeved on the outer ring surface of the corresponding anti-wear short tube 44, the plurality of transmission gears 423 are meshed with each other, the incomplete gear 421 is meshed with the transmission gears 423 on the side, one rotating rod 422 is in threaded connection with the axial center position of the incomplete gear 421, the other rotating rod 422 is in threaded connection with one end of the mounting plate 41 away from the incomplete gear 421, and the lower end of the rotating rod 422 is in threaded connection with the top of the upper supporting plate 2;
The sealing part 43 comprises four arc plates 431 and four extrusion blocks 432, the upper end of the inner wall of the heat exchange tube 3 is provided with four movable grooves 433, the arc plates 431 are correspondingly arranged in the movable grooves 433 in a sliding way, one side of each arc plate 431 close to each movable groove 433 is fixedly provided with an inclined surface block 434 matched with each extrusion block 432, each arc plate 431 is provided with a through hole 435, the through holes 435 are used for ventilation in the annular groove 45, air pressure change caused when the arc plates 431 move is avoided, four return springs 436 are fixedly arranged between each arc plate 431 and each movable groove 433, the four return springs 436 are uniformly distributed on the arc plates 431, two opposite side edges of each arc plate 431 are respectively provided with a sealing pad 437, the sealing pad 437 can be a rubber pad, after the four arc plates 431 are closed, gaps of the four arc plates 431 are sealed through the sealing pad 437, so that four arc 431 can splice into a complete drum, extrusion piece 432 slides and sets up on the inside wall of movable groove 433, be equipped with first guide slot 4312 on the inside wall of movable groove 433, be equipped with the arch on the inside wall of movable groove 433 is close to extrusion piece 432, this arch is through being connected with first guide slot 4312 sliding, sliding connection between extrusion piece 432 and the movable groove 433 has been realized, and provide support and guide effect to extrusion piece 432, extrusion piece 432 sets up between arc 431 and movable groove 433, extrusion piece 432 is the arc piece, be convenient for with inclined plane piece 434 contact extrusion, the top fixedly connected with connecting rod 438 of extrusion piece 432, four grafting grooves 439 have been seted up to the bottom of drive gear 423, the top of connecting rod 438 is pegged graft in grafting groove 439.
When the anti-wear short tube 44 needs to be replaced, the fixing effect on the mounting plate 41 is firstly relieved through the operation of the driving part 42, the bottom end of the anti-wear short tube is gradually separated from the threaded hole on the supporting plate 2 along with the continuous rotation of the rotating rod 422 through the rotation of the rotating rod 422, meanwhile, the incomplete gear 421 follows the synchronous rotation of the rotating rod 422, the plurality of transmission gears 423 follow the synchronous rotation of the incomplete gear 421, the transmission gears 423 rotate to drive the connecting rod 438 and the extrusion block 432 to move together, so that the extrusion block 432 is gradually far away from the inclined surface block 434, the extrusion force born by the inclined surface block 434 is gradually reduced, at this time, the reset spring 436 is in a stretching state, the extrusion force of the extrusion block 432 is gradually reduced, simultaneously, the arc 431 and the inclined surface block 434 are pulled to retract into the movable groove 433 together through the elastic force of the reset spring 436, so that the arc 431 is gradually far away from the annular groove 45, the clamping effect on the anti-wear short tube 44 is lost, until the connecting rod 438 moves to the other side of the second guide groove 5 at this time, the end of the heat exchange tube 3, the extrusion block 432 moves to the maximum position, the connecting rod 438 cannot continue to move, and the extrusion block 431 cannot move continuously, and the extrusion block 431 cannot move away from the inclined surface block 434, the upper end of the annular groove 45 and the end of the anti-wear short tube 44 can be separated from the fixed plate 44, the end of the anti-wear short tube 44 is further fixed by the fixed plate 44, and the end plate 44 is further separated from the end plate 44, and finally, and the end plate 41 is removed by the rotation of the anti-wear short tube 44 is mounted by the rotation of the anti-wear short tube 44, and the end plate 41 is further separated from the end is mounted by the fixed mounting plate 41, and the end plate 41 and the end is further is separated by the abrasion hole and the end is separated by the abrasion hole and the end plate 41 and the end is directly after the abrasion. And a new anti-wear short pipe 44 is replaced, the mounting plate 41 is fixed on the support plate 2 again, and the rotating rod 422 is reversely rotated, so that the new anti-wear short pipe 44 is tightly fixed in the heat exchange tube 3 by the sealing component 43 finally;
It should be noted that, since the rotation directions of the two engaged transmission gears 423 are opposite, the inclined surface blocks 434 disposed in the two adjacent heat exchange tubes 3 of the present invention are disposed in opposite directions, which are not shown in the drawings.
The anti-abrasion mechanism 4 is mainly used for preventing the pipe wall of the heat exchange pipe 3 from being abraded by smoke, the annular groove body 45 is arranged on the outer annular surface of the anti-abrasion short pipe 44, the driving part 42 is used for driving the sealing part 43 to move, the fixing of the anti-abrasion short pipe 44 and the sealing effect of the annular groove body 45 are achieved, the traditional anti-abrasion short pipe 44 is replaced by adopting an interference fit mode, the fixing effect of the anti-abrasion short pipes 44 can be relieved only by operating the driving part 42 when the anti-abrasion short pipe 44 is replaced, the plurality of anti-abrasion short pipes 44 can be synchronously separated from the heat exchange pipe 3 by pulling the mounting plate 41, the operation of taking down the anti-abrasion short pipes 44 one by one is omitted, the replacement operation steps of the anti-abrasion short pipe 44 are greatly simplified, the operation is easier, and the replacement operation speed is accelerated.
As an embodiment of the present invention, to prevent the wear pipe spool 44 from rotating relative to each other, the present embodiment is further optimized for the above-described scheme, specifically: one side of the arc 431 close to the annular groove body 45 is fixedly connected with a positioning protrusion 4310, the annular groove body 45 is provided with four positioning grooves 4311, the positioning protrusion 4310 is clamped in the positioning groove 4311, and when the arc 431 is attached to the annular groove body 45, the positioning protrusion 4310 is just clamped in the positioning groove 4311, so that an effective positioning effect is achieved on the anti-abrasion short tube 44, and relative rotation is prevented.
As an embodiment of the present invention, when the wear preventing short tube 44 is replaced, since the rotating member 425 is in a high temperature environment for a long time, the operator may be scalded by directly rotating the rotating rod 422 by hand, so in order to solve the problem, the embodiment optimizes the above scheme specifically as follows: the driving part 42 further comprises a rotating part 425, the rotating part 425 comprises a rotating handle 4251, the bottom of the rotating handle 4251 is fixedly connected with a plug-in part 4252, the upper end of the rotating rod 422 is provided with a plug-in hole 4253, and the plug-in part 4252 is plugged in the plug-in hole 4253;
When the rotating member 425 is used, the plug member 4252 is aligned with the plug hole 4253 and then directly plugged, so that the rotating handle 4251 is just above the rotating rod 422, then the rotating handle 4251 can be directly rotated, the rotating rod 422 is driven to rotate, after the vertical row of anti-abrasion short tubes 44 are replaced, the plug member 4252 can be separated from the plug hole 4253 by pulling the rotating handle 4251, the rotating member 425 is detached from the rotating rod 422, and then the rotating member 425 is installed on the other rotating rod 422 for continuous use, so that a worker does not need to directly rotate the rotating rod 422, contact with the rotating rod 422 is avoided, and scalding of the rotating rod 422 is prevented.
As an embodiment of the present invention, in the above-mentioned solution, after the mounting plate 41 and the plurality of anti-wear short tubes 44 are detached, the incomplete gear 421 may slightly rotate due to the movement of the mounting plate 41, which may cause the position of the inserting slot 439 and the connecting rod 438 to deviate, which is not beneficial to splice the driving gear 423 and the connecting rod 438 together, so in order to solve the problem, the embodiment is optimized as follows: the mounting plate 41 is provided with a locking member 47, the locking member 47 comprises a locking shaft 471, the locking shaft 471 is slidably arranged at one end of the mounting plate 41, which is close to the incomplete gear 421, the top end of the locking shaft 471 is fixedly connected with a pull cover 472, the outer side of the locking shaft 471 is sleeved with a connecting spring 473, two ends of the connecting spring 473 are respectively connected with the bottom of the pull cover 472 and the top of the mounting plate 41, two locking clamping holes 474 are formed in the top of the incomplete gear 421, and the bottom end of the locking shaft 471 is matched with the locking clamping holes 474;
When the locking member 47 is in use, the rotating rod 422 starts to rotate to drive the incomplete gear 421, at this time, the locking shaft 471 is clamped with one of the locking clamping holes 474, the locking shaft 471 can be synchronously moved upwards by pulling the pull cover 472 upwards, and the connecting spring 473 is stretched, so that the locking shaft 471 is gradually separated from the locking clamping hole 474 until the locking shaft 471 is completely separated, at this time, the incomplete gear 421 is not clamped, the rotating rod 422 can be rotated, and the pull cover 472 is gradually released, at this time, the incomplete gear 421 is driven to rotate together, the locking shaft 471 automatically moves downwards under the elastic force of the connecting spring 473 and is attached to the upper surface of the incomplete gear 421, and as the incomplete gear 421 continues to rotate, when the other locking clamping hole 474 is aligned with the locking shaft 471, under the elastic force of the connecting spring 473, the locking shaft 471 is clamped in the locking clamping hole 474, the incomplete gear 421 is locked again, so that the incomplete gear 421 cannot continue to rotate, and the rotating rod 422 continues to rotate until the bottom end of the incomplete gear 421 is separated from the threaded hole 41, and the locking shaft 421 is completely pulled again, and the locking shaft 421 is completely locked again, and the locking shaft 421 is completely is released, and the locking shaft is completely locked again, and the locking shaft 421 is completely is released; this embodiment is used for locking the position of the incomplete gear 421 through setting up this locking component 47, is favorable to preventing that the incomplete gear 421 from taking place relative rotation when the mounting panel 41 is dismantled, promotes the stability of incomplete gear 421 and drive gear 423, and then guarantees that grafting groove 439 is in the alignment state with connecting rod 438, is favorable to drive gear 423 and connecting rod 438 to splice fast and use.
As an embodiment of the present invention, in the above-described scheme, in order to simplify the repeated operation of the locking member 47, the present embodiment optimizes the above-described scheme, specifically: the lower end of the outer ring surface of the pull cover 472 is provided with a conical surface, the plug-in piece 4252 is provided with an L-shaped, and the end part of the horizontal section of the plug-in piece 4252 is provided with an arc shape;
When the plug 4252 is plugged into the plug hole 4253, when the end of the plug 4252 contacts with the conical surface of the pull cover 472, the plug 4252 is pushed continuously, so that the plug 4252 extrudes the pull cover 472 to move upwards synchronously until the plug 4252 moves to the maximum position, and the locking shaft 471 is just driven to be separated from the locking clamping hole 474, thus realizing that the unlocking operation of the locking member 47 is synchronously completed while the rotating member 425 is installed, omitting the operation of actively pulling the pull cover 472, and being more convenient in use.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. An energy-saving recovery device for a sodium silicate kiln, comprising: the heat exchange device comprises an outer shell body (1), wherein a supporting plate (2) is fixedly installed at the upper end and the lower end of the inner portion of the outer shell body (1), a plurality of rows of heat exchange tubes (3) are fixedly installed between the two supporting plates (2), and the heat exchange device is characterized in that:
A plurality of anti-abrasion mechanisms (4) are arranged on the upper supporting plate (2), and the anti-abrasion mechanisms (4) are aligned with ports of the heat exchange tubes (3) of the corresponding row;
The anti-wear mechanism (4) comprises a mounting plate (41), a driving part (42), a plurality of sealing parts (43) and a plurality of anti-wear short pipes (44), wherein the mounting plate (41) is arranged at the top of the upper supporting plate (2), and the driving part (42) is arranged on the mounting plate (41); the driving component (42) is used for driving a plurality of sealing components (43) to move, an annular groove body (45) is formed in the outer annular surface of the anti-abrasion short tube (44), the sealing components (43) are arranged at the upper end of the heat exchange tube (3), the sealing components (43) are used for sealing gaps between the annular groove body (45) and the inner wall of the heat exchange tube (3) and fixing the positions of the anti-abrasion short tube (44), a plurality of uniformly distributed mounting holes (46) are formed in the top of the mounting plate (41), and the lower end of the anti-abrasion short tube (44) is inserted into the upper end of the heat exchange tube (3) through the mounting holes (46);
When the anti-abrasion short pipe (44) is disassembled, the driving part (42) drives the sealing parts (43) to synchronously move, the sealing parts (43) release the sealing and fixing functions of the anti-abrasion short pipe (44), the mounting plate (41) is pulled upwards, and the anti-abrasion short pipe (44) is separated from the heat exchange pipe (3).
2. The energy-saving and recycling device for sodium silicate kilns according to claim 1, wherein the mounting plates (41) are aligned with the ports of the heat exchange tubes (3) of the corresponding row, and the positions of the mounting holes (46) on the mounting plates are in one-to-one correspondence with the ports of the heat exchange tubes (3).
3. The energy-saving and recycling device for sodium silicate kilns according to claim 1, wherein the driving component (42) comprises an incomplete gear (421), two rotating rods (422) and a plurality of transmission gears (423), a device groove (424) is formed in the mounting plate (41), and the incomplete gear (421) is rotatably mounted at one end of the device groove (424);
The transmission gear (423) is arranged in the device groove (424), the bottom end of the transmission gear (423) is rotationally connected with the inner bottom wall of the device groove (424), and the transmission gear (423) is sleeved on the outer annular surface of the corresponding anti-abrasion short pipe (44); the transmission gears (423) are meshed with each other, the incomplete gears (421) are meshed with the transmission gears (423) on the side, one of the rotation rods (422) is in threaded connection with the axis of the incomplete gears (421), the other rotation rod (422) is in threaded connection with one end, far away from the incomplete gears (421), of the mounting plate (41), and the lower end of the rotation rod (422) is in threaded connection with the top of the supporting plate (2) above.
4. A sodium silicate kiln energy saving and recovery device according to claim 3, characterized in that the sealing means (43) comprise a plurality of curved plates (431) and a plurality of extruded blocks (432);
The upper end of heat exchange tube (3) inner wall has been seted up a plurality of movable grooves (433), arc (431) correspond the sliding arrangement in movable groove (433), arc (431) are close to one side fixed mounting of movable groove (433) has inclined plane piece (434), extrusion piece (432) slide the setting is in on the inside wall of movable groove (433), inclined plane piece (434) with extrusion piece (432) looks adaptation, through-hole (435) have been seted up on arc (431), arc (431) with a plurality of reset spring (436) of fixed mounting between movable groove (433), sealed pad (437) are all installed to two opposite sides of arc (431), the top fixedly connected with connecting rod (438) of extrusion piece (432), a plurality of grafting grooves (439) have been seted up to the bottom of drive gear (423), the top of connecting rod (438) is pegged graft in grafting groove (439).
5. The energy-saving and recycling device for sodium silicate kilns according to claim 4, wherein a positioning protrusion (4310) is fixedly connected to one side, close to the annular groove body (45), of the arc-shaped plate (431), a plurality of positioning grooves (4311) are formed in the annular groove body (45), and the positioning protrusion (4310) is clamped in the positioning grooves (4311).
6. A sodium silicate kiln energy-saving and recycling device according to claim 3, wherein the driving component (42) further comprises a rotating component (425), the rotating component (425) comprises a rotating handle (4251), a plug-in component (4252) is fixedly connected to the bottom of the rotating handle (4251), a plug-in hole (4253) is formed in the upper end of the rotating rod (422), and the plug-in component (4252) is plugged in the plug-in hole (4253).
7. The energy-saving and recycling device for sodium silicate kilns according to claim 6, wherein the mounting plate (41) is provided with a locking member (47), the locking member (47) comprises a locking shaft (471), the locking shaft (471) is slidably arranged at one end, close to the incomplete gear (421), of the mounting plate (41), a pull cover (472) is fixedly connected to the top end of the locking shaft (471), a connecting spring (473) is sleeved on the outer side of the locking shaft (471), two ends of the connecting spring (473) are respectively connected with the bottom of the pull cover (472) and the top of the mounting plate (41), two locking clamping holes (474) are formed in the top of the incomplete gear (421), and the bottom end of the locking shaft (471) is matched with the locking clamping holes (474).
8. The energy-saving and recycling device for sodium silicate kilns according to claim 7, wherein the lower end of the outer annular surface of the pull cover (472) is provided with a conical surface, the plug-in connector (4252) is provided with an L-shaped, and the end part of the horizontal section of the plug-in connector (4252) is provided with an arc shape.
9. The energy-saving and recycling device for sodium silicate kilns according to claim 4, wherein the number of arc plates (431) and extrusion blocks (432) is four, and the number of inserting grooves (439) is four.
10. The energy-saving and recycling device for sodium silicate kilns according to claim 4, wherein the number of the return springs (436) on one side of the arc plate (431) is four, and the four return springs (436) are uniformly distributed on one side of the arc plate (431).
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