CN117225354A - Reaction kettle for producing polycarboxylate superplasticizer and preparation method - Google Patents
Reaction kettle for producing polycarboxylate superplasticizer and preparation method Download PDFInfo
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- CN117225354A CN117225354A CN202311501777.1A CN202311501777A CN117225354A CN 117225354 A CN117225354 A CN 117225354A CN 202311501777 A CN202311501777 A CN 202311501777A CN 117225354 A CN117225354 A CN 117225354A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 97
- 229920005646 polycarboxylate Polymers 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000008030 superplasticizer Substances 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims description 32
- 229920000742 Cotton Polymers 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 17
- 239000002518 antifoaming agent Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Mixers Of The Rotary Stirring Type (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention discloses a reaction kettle for producing a polycarboxylate water reducer and a preparation method thereof, and relates to the technical field of preparing the polycarboxylate water reducer.
Description
Technical Field
The invention relates to the technical field of preparation of polycarboxylate water reducers, in particular to a reaction kettle for producing a polycarboxylate water reducer and a preparation method thereof.
Background
The carboxylic acid high-performance water reducer is prepared by graft copolymerization of various high-molecular organic compounds taking polycarboxylate as a main body, has extremely strong water reducing performance, belongs to an environment-friendly concrete additive leading the technology in the world at present, and has been widely applied to concrete construction of water conservancy, electric power, ports, railways, bridges, highways, airports, military projects and various structures, and raw materials are required to be placed in a reaction kettle for high-temperature stirring reaction in the process of preparing the polycarboxylic acid water reducer.
The existing polycarboxylate water reducer reaction kettle is characterized in that a great amount of foam is gradually generated due to the reaction between materials in the process of preparing the polycarboxylate water reducer, so that a great amount of bubble holes are easily formed in the prepared polycarboxylate water reducer, the water reducing rate and cohesiveness of the polycarboxylate water reducer are reduced, the traditional reaction kettle cannot uniformly throw out defoamer after raw materials are stirred and mixed, the water reducer is relatively violent in the synthesis process because chemical substances react with each other, organic acid waste gas is generated usually because of high-temperature stirring, and if the waste gas is directly discharged to the air, workers can inhale harmful gas, so that potential safety hazards occur.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reaction kettle for producing a polycarboxylate water reducer, which solves the problems that the existing polycarboxylate water reducer reaction kettle can gradually generate a large amount of foam in the process of preparing the polycarboxylate water reducer, and a large amount of bubble holes are easy to occur in the prepared polycarboxylate water reducer, so that the water reducing rate and cohesiveness of the water reducer are reduced, the traditional reaction kettle cannot uniformly throw out a defoaming agent after raw materials are stirred and mixed, the water reducer is relatively violent in the synthesis process because chemical substances react with each other, organic acid waste gas is usually generated because of high-temperature stirring, and staff can inhale harmful gas if the waste gas is directly discharged into the air, so that potential safety hazards occur.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the reaction kettle for producing the polycarboxylate water reducer comprises a reaction barrel, wherein the side wall of the reaction barrel is communicated with an air outlet pipe, the upper end surface of the reaction barrel is fixedly connected with a driving motor, the output shaft end of the driving motor penetrates through one end of the inner cavity top of the reaction barrel and is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with stirring blades, the inner cavity wall of the reaction barrel is symmetrically provided with uniform throwing and blanking mechanisms, and the inner cavity wall of the air outlet pipe is provided with a filter cotton taking-out mechanism;
the utility model provides a evenly throw unloading mechanism includes the sliding frame, the inner chamber wall symmetry fixedly connected with of reaction bucket the sliding frame, the inside equal sliding connection of sliding frame has L type cover, the vertical sliding connection of inner wall of L type cover has L type pole, the one end that the sliding frame was kept away from to L type pole rotates and is connected with the runner, the inner chamber of reaction bucket rotates and is connected with symmetrical leak hole sleeve, the one end fixedly connected with back shaft that the leak hole sleeve is close to the sliding frame, the one end fixedly connected with telescopic sleeve rod that the leak hole sleeve was kept away from to the back shaft, the one end that the back shaft was kept away from to telescopic sleeve rod rotates with the one end of L type cover to be connected, L type pole has the slide shaft through spout sliding connection, the top of slide shaft runs through the top surface of reaction bucket and with the top surface sliding connection of reaction bucket, the inner wall of sliding frame passes through the side wall fixedly connected with runner of spring telescopic link and L type cover, the up end fixedly connected with U of slide shaft, the up end of reaction bucket rotates and is connected with the screw thread post, screw thread post and U thread connection, the one of them eccentric face fixedly connected with of connecting rod of L type cover.
Preferably, the inner cavity wall fixedly connected with charging basket of reaction bucket, the lower terminal surface of charging basket is through spout sliding connection has the inclined groove board, the one end that the L type cover was kept away from to the connecting rod is connected with inclined groove board lateral wall fixed.
Preferably, the inner cavity wall fixedly connected with unloading funnel of charging basket, the cell wall sliding connection of chute board has the traveller, the inner cavity wall of reaction barrel passes through spout and the vertical sliding connection of traveller, the one end fixedly connected with flange of inner cavity wall of reaction barrel is kept away from to the traveller.
Preferably, one end of the convex plate, which is far away from the sliding column, is fixedly connected with a sealing plug, and the size of the sealing plug is consistent with the size of a hole of the blanking funnel.
Preferably, the filter cotton taking-out mechanism comprises a filter plate, the inner cavity wall of the air outlet pipe is fixedly connected with the filter plate, and the side wall of the filter plate is connected with a threaded rod in a penetrating and rotating mode.
Preferably, the outer wall winding of threaded rod has the rope, the one end fixedly connected with pull ring of threaded rod and run through the outlet duct outer wall is kept away from to the rope, the outer wall threaded connection of threaded rod has the thread board.
Preferably, the inner cavity wall of the air outlet pipe is in transverse sliding connection with the thread plate through a sliding groove, and the outer wall of the threaded rod is sleeved with filter cotton.
Preferably, the outer wall of the threaded rod is wound with a clockwork spring, and one end of the clockwork spring, which is far away from the threaded rod, is fixedly connected with the side wall of the filter plate.
The preparation method of the polycarboxylate water reducer adopts the reaction kettle, and comprises the following steps:
step one: preparing raw materials and a defoaming agent required by preparing the polycarboxylate superplasticizer;
step two: adding raw materials required to be added in an initial reaction into a reaction barrel of a reaction kettle, adding the rest raw materials into a charging barrel, and adding a defoaming agent into a leak hole sleeve;
step three: starting a driving motor, driving a rotating shaft and stirring blades to stir and mix raw materials, holding a threaded column to rotate after stirring and mixing for a period of time to enable a leak hole sleeve to uniformly and intermittently rotate, and driving a defoaming agent in the leak hole sleeve to be thrown out of a hole during rotation and uniformly throwing the defoaming agent on a mixed material in a reaction barrel;
step four: and when the threaded column is rotated, the sealing plug is driven to be opened or closed uniformly and intermittently, so that the residual raw materials in the charging barrel are uniformly and intermittently fed onto the mixed materials in the reaction barrel until the preparation of the polycarboxylate water reducer is completed.
The invention has the beneficial effects that:
according to the reaction kettle for producing the polycarboxylate water reducer, raw materials needing stirring and heating can be added into a reaction barrel, a driving motor and a heating mechanism are started after the raw materials are added, the driving motor drives a rotating shaft and stirring blades to stir and mix the raw materials, after stirring and mixing for a period of time, a U-shaped plate on the outer wall of the U-shaped plate can be held by a hand to rotate, so that two sliding shafts are pressed to push an L-shaped rod to slide downwards in an L-shaped sleeve, the rotating wheel and an eccentric wheel can be positioned at the same horizontal plane, then the rotating wheel can be pushed to push the L-shaped rod and the L-shaped sleeve to slide transversely in a sliding frame and stretch the spring telescoping rod when the L-shaped sleeve slides, and then a supporting shaft and the leak hole sleeve are driven to rotate for half a circle;
according to the reaction kettle for producing the polycarboxylate water reducer, various raw materials required for producing the polycarboxylate water reducer can be added and mixed, different raw materials used for producing the polycarboxylate water reducer can be poured into the charging barrel in the initial use, then the inclined groove plate is pulled to repeatedly transversely move at the lower part of the charging barrel through the connecting rod when the L-shaped rod transversely moves, the chute of the inclined groove plate can extrude the sliding column to vertically slide in the chute of the inner wall of the reaction barrel when the inclined groove plate moves, the convex plate and the sealing plug are pulled to be separated from the discharging hole of the discharging hopper, so that the raw materials in the charging barrel fall into the stirred reaction barrel, and the inclined groove plate moves to reset, the convex plate and the sealing plug are extruded again to be inserted into the leakage hole of the discharging hopper;
according to the reaction kettle for producing the polycarboxylate water reducer, when the filter cotton is used for a long time and needs to be replaced, only the garbage bag is required to be placed at the lower part of the air outlet pipe, then the pull ring is held by a hand to be pulled upwards to drive the rope to be prolonged so that the threaded rod rotates, the spiral spring is driven to be contracted by the rotation of the threaded rod, the threaded plate which is in threaded connection with the outer wall of the threaded rod moves transversely, the filter cotton is pushed out from the outer wall of the threaded rod and falls into the garbage bag placed in advance, then the new filter cotton is replaced, the new filter cotton is inserted into the outer wall of the threaded rod, the filter cotton used for a long time is replaced in a non-contact mode, the cleanness of the hands is kept, harmful substances are prevented from being polluted, the replacement speed is high, more time is not delayed, and the effectiveness of continuous filtering gas of the subsequent filter cotton is guaranteed;
according to the reaction kettle for producing the polycarboxylate water reducer, disclosed by the invention, the phenomenon that the generated acid-containing gas is discharged from the air outlet pipe when the added materials are heated and stirred by the reaction barrel, and the gas is made of the activated carbon fiber through the filtering pore plate and the filtering cotton during discharge, so that organic pollutants and peculiar smell generated during production of the polycarboxylate water reducer can be effectively adsorbed, the phenomenon that the working environment contains harmful substances and peculiar smell due to the fact that the waste gas generated during production of the polycarboxylate water reducer is directly discharged by the reaction kettle is avoided, and the safety of the working environment is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a reaction vessel in partial cutaway configuration according to the present invention;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 2 according to the present invention;
FIG. 5 is a schematic structural view of the shaft and stirring blade of the present invention;
FIG. 6 is an enlarged view of the area C of FIG. 5 according to the present invention;
FIG. 7 is an enlarged view of the area D of FIG. 5 according to the present invention;
FIG. 8 is a schematic structural view of the charging barrel, the blanking hopper and other parts of the present invention;
FIG. 9 is an enlarged schematic view of the area E of FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the structure of the connecting rod and chute plate of the present invention;
fig. 11 is an enlarged view of the area F in fig. 10 according to the present invention.
In the figure: 1. a reaction barrel; 2. an air outlet pipe; 3. a driving motor; 4. a rotating shaft; 5. stirring the leaves; 61. A sliding frame; 62. an L-shaped sleeve; 63. an L-shaped rod; 64. a rotating wheel; 65. a leak hole sleeve; 66. a support shaft; 67. a telescopic loop bar; 68. a slide shaft; 69. a spring telescoping rod; 610. a U-shaped plate; 611. a threaded column; 612. an eccentric wheel; 613. a connecting rod; 614. charging barrel; 615. a chute plate; 616. a blanking funnel; 617. a spool; 618. a convex plate; 619. a sealing plug;
71. a filter plate; 72. a threaded rod; 73. a rope; 74. a pull ring; 75. a thread plate; 76. filtering cotton; 77. and a spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, 2, 3, 5, 6 and 8-10, a reaction kettle for producing a polycarboxylate water reducer comprises a reaction barrel 1, wherein the side wall of the reaction barrel 1 is communicated with an air outlet pipe 2, the upper end surface of the reaction barrel 1 is fixedly connected with a driving motor 3, the output shaft end of the driving motor 3 penetrates through one end of the top of an inner cavity of the reaction barrel 1 and is fixedly connected with a rotating shaft 4, the outer wall of the rotating shaft 4 is fixedly connected with a stirring blade 5, the inner cavity wall of the reaction barrel 1 is symmetrically provided with a uniform throwing and blanking mechanism, and the inner cavity wall of the air outlet pipe 2 is provided with a filter cotton taking-out mechanism;
the uniform throwing and discharging mechanism comprises a sliding frame 61, the inner cavity wall of the reaction barrel 1 is symmetrically and fixedly connected with the sliding frame 61, the inside of the sliding frame 61 is both in sliding connection with an L-shaped sleeve 62, the inner wall of the L-shaped sleeve 62 is vertically and slidingly connected with an L-shaped rod 63, one end of the L-shaped rod 63 far away from the sliding frame 61 is rotationally connected with a rotating wheel 64, the inner cavity of the reaction barrel 1 is rotationally connected with a symmetrical leak hole sleeve 65, one end of the leak hole sleeve 65 near the sliding frame 61 is fixedly connected with a supporting shaft 66, one end of the supporting shaft 66 far away from the leak hole sleeve 65 is fixedly connected with a telescopic sleeve rod 67, one end of the telescopic sleeve rod 67 far away from the supporting shaft 66 is rotationally connected with one end of the L-shaped sleeve 62, the L-shaped rod 63 is in sliding connection with a sliding shaft 68 through a sliding groove, the sliding shaft 68 can horizontally slide in the L-shaped rod 63, but can't carry out vertical slip in L type pole 63, the top of slide shaft 68 runs through the top surface of reaction barrel 1 and with the top surface of reaction barrel 1 sliding connection from top to bottom, the inner wall of sliding frame 61 passes through spring telescopic link 69 and the lateral wall fixed connection of L type cover 62, the upper end fixedly connected with U template 610 of slide shaft 68, the up end of reaction barrel 1 rotates and is connected with screw post 611, screw post 611 and U template 610 threaded connection, the outer wall fixedly connected with eccentric wheel 612 of pivot 4, one of them L type pole 63's an end fixedly connected with connecting rod 613, L type pole 63 is equipped with the cavity, can slide at the lower extreme of slide shaft 68 when L type pole 63 carries out lateral shifting, can not pull slide shaft 68 and produce lateral displacement because there is the cavity.
Example two
Referring to fig. 1, fig. 2, fig. 3, fig. 5, fig. 6, fig. 8 to fig. 11, a heating mechanism is disposed on the inner cavity wall of the reaction barrel 1, a charging barrel 614 is fixedly connected to the inner cavity wall of the reaction barrel 1, a chute plate 615 is slidably connected to the lower end surface of the charging barrel 614 through a chute, a discharging funnel 616 is fixedly connected to the inner cavity wall of the charging barrel 614 at one end of the connecting rod 613 far away from the L-shaped sleeve 62 and the side wall of the chute plate 615, a through groove deflecting by a certain angle along the vertical direction is disposed on the chute plate 615, a sliding column 617 is slidably connected in the through groove, a convex plate 618 is fixedly connected to one end of the inner cavity wall of the reaction barrel 1, which is far away from the chute plate 615, and the convex plate 618 is synchronously pulled to repeatedly move when the L-shaped rod 63 moves transversely, so that the convex plate 618 can be matched with the sealing plug to repeatedly open the discharging funnel 616;
the end of the convex plate 618 far away from the sliding column 617 is fixedly connected with a sealing plug 619, the size of the sealing plug 619 is consistent with the size of a hole of the blanking funnel 616, and the upper end surfaces of the leak hole sleeve 65 and the charging barrel 614 are respectively inserted with a sealing cover.
Example III
Referring to fig. 1, 2, 4, 5 and 7, the filter cotton taking-out mechanism comprises a filter hole plate 71, the inner cavity wall of the air outlet pipe 2 is fixedly connected with the filter hole plate 71, the side wall of the filter hole plate 71 is connected with a threaded rod 72 in a penetrating and rotating manner, the outer wall of the threaded rod 72 is wound with a rope 73, the rope 73 is far away from the threaded rod 72 and penetrates one end of the outer wall of the air outlet pipe 2 to be fixedly connected with a pull ring 74, the outer wall of the threaded rod 72 is in threaded connection with a threaded plate 75, the inner cavity wall of the air outlet pipe 2 is in transverse sliding connection with the threaded plate 75 through a sliding groove, the outer wall of the threaded rod 72 is sleeved with filter cotton 76, and the filter cotton 76 is made of activated carbon fibers;
the outer wall of threaded rod 72 is wound with clockwork spring 77, and clockwork spring 77 keeps away from threaded rod 72 one end and the filter screen 71 lateral wall fixed connection, clockwork spring 77 can help threaded rod 72 reversal to reset pulling rope 73 to wind again.
Example IV
The preparation method of the polycarboxylate water reducer adopts the reaction kettle, and comprises the following steps:
step one: preparing raw materials and a defoaming agent required for preparing the polycarboxylate water reducer, wherein the raw materials required for preparing the polycarboxylate water reducer are raw materials used for preparing the polycarboxylate water reducer in the prior art, and the raw materials are not described in detail;
step two: adding raw materials required to be added in the initial reaction into a reaction barrel 1 of a reaction kettle, adding the rest raw materials into a charging barrel 614, and adding a defoaming agent into a leak hole sleeve 65;
step three: starting a driving motor 3, driving a rotating shaft 4 and a stirring blade 5 to stir and mix raw materials by the driving motor 3, holding a threaded column 611 to rotate after stirring and mixing for a period of time to enable a leak hole sleeve 65 to uniformly and intermittently rotate, and driving a defoaming agent in the leak hole sleeve 65 to be thrown out of a hole during rotation so as to uniformly throw the defoaming agent onto the mixed materials in a reaction barrel 1;
step four: when the threaded column 611 is rotated, the sealing plug 619 is driven to be opened or closed uniformly and intermittently, so that the residual raw materials in the charging barrel 614 are uniformly and intermittently fed onto the mixed materials in the reaction barrel 1 until the preparation of the polycarboxylate water reducer is completed.
The following is the overall operation of the above examples 1 to 3:
the foregoing: in the initial state, the L-shaped rod 63 is contracted in the L-shaped sleeve 62 for a certain distance, at this time, the rotating wheel 64 is not in the same horizontal plane with the eccentric wheel 612, and then the defoaming agent is filled into the two leak hole sleeves 65.
When in operation, the device comprises: firstly, adding raw materials to be stirred and heated into a reaction barrel 1, starting a driving motor 3 and a heating mechanism after adding, driving a rotating shaft 4 and a stirring blade 5 to stir and mix the raw materials, holding a threaded column 611 to rotate after stirring and mixing for a period of time to enable a U-shaped plate 610 on the outer wall of the U-shaped plate to move downwards, pressing two sliding shafts 68 to push an L-shaped rod 63 to slide downwards in an L-shaped sleeve 62, enabling a rotating wheel 64 and an eccentric wheel 612 to be in the same horizontal plane, pushing the rotating wheel 64 to push the L-shaped rod 63 and the L-shaped sleeve 62 to slide transversely in a sliding frame 61 and stretch a spring telescopic rod 69 when the L-shaped sleeve 62 slides, and driving a supporting shaft 66 and a leak sleeve 65 to rotate for half a circle when the L-shaped sleeve 62 slides, when the eccentric wheel 612 continuously rotates and is not attached to the extrusion rotating wheel 64, the spring telescopic rod 69 is reset and rebounded to pull the L-shaped sleeve 62 to slide and reset, so that the telescopic sleeve rod 67 is pushed again to shrink and drive the supporting shaft 66 and the leak hole sleeve 65 to deflect and reset, the effect of intermittently rotating the leak hole sleeve 65 is achieved, the defoaming agent in the leak hole sleeve 65 can be driven to be thrown out of the holes during rotation, the defoaming agent can be uniformly and intermittently thrown on the upper part of a mixed material, a large amount of bubbles generated by reaction between materials can be effectively eliminated, the water reducing rate and cohesiveness of the water reducing agent after manufacturing are guaranteed, and the compactness of the subsequent addition of the polycarboxylic acid water reducing agent in concrete mixing is improved;
because various raw materials are added for stirring and mixing in the preparation of the polycarboxylate superplasticizer, different raw materials used for preparing the polycarboxylate superplasticizer can be poured into the charging barrel 614 in the initial use, then the chute plate 615 is pulled to repeatedly transversely move at the lower part of the charging barrel 614 through the connecting rod 613 when the L-shaped rod 63 transversely moves, the chute of the chute plate 615 can extrude the sliding column 617 to vertically slide in the chute of the inner wall of the reaction barrel 1 when the chute plate 615 moves, the convex plate 618 and the sealing plug 619 are pulled to separate from the discharging hole of the discharging funnel 616, so that the raw materials in the charging barrel 614 fall into the stirred reaction barrel 1, the chute plate 615 can extrude the sliding column 617 again when the chute plate 615 moves and resets, the convex plate 618 and the sealing plug are pulled to be inserted into the leakage hole of the discharging funnel 616, intermittent reciprocating type underground materials are adopted, the intermittent underground materials can be in the materials in the reaction barrel 1 when the stirring blade 5 is stirred for moving, the phenomenon that the materials are stacked by excessive materials is avoided, and the reaction speed is slower due to the fact that the disposable underground materials are stacked is avoided, and the diversity of the functions of the reaction kettle is increased;
when the reaction barrel 1 heats and stirs the added materials, the generated acid-containing gas is discharged from the gas outlet pipe 2, and the gas passes through the filter plate 71 and the filter cotton 76 when discharged, and the filter cotton 76 is made of activated carbon fibers, so that organic pollutants and peculiar smell generated when the polycarboxylate water reducer is produced can be effectively adsorbed, the phenomenon that the working environment contains harmful substances and peculiar smell caused by directly discharging the waste gas generated when the water reducer is produced by the reaction kettle is avoided, and the safety of the working environment is ensured;
when the filter cotton 76 needs to be replaced after long-term use, the garbage bag is only required to be placed at the lower part of the air outlet pipe 2, then the pull ring 74 is held by a hand to be pulled upwards to drive the rope 73 to be prolonged, so that the threaded rod 72 rotates, the spring 77 is driven to be contracted by the rotation of the threaded rod 72, the threaded plate 75 which is in threaded connection with the outer wall of the threaded rod is enabled to move transversely, the filter cotton 76 is pushed out from the outer wall of the threaded rod 72 and falls into the garbage bag which is placed in advance, then the new filter cotton 76 is replaced, the new filter cotton 76 is inserted into the outer wall of the threaded rod 72, the filter cotton 76 is replaced in a non-contact mode, the fact that the hands of a user cannot be contaminated by the filter cotton 76 used for a long time is guaranteed, the hands are kept clean, harmful substances are prevented from being contaminated, the replacement speed is high, more time cannot be delayed, and the effectiveness of continuous gas filtration of the subsequent filter cotton 76 is guaranteed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A reation kettle for producing polycarboxylate water reducing agent, including reaction barrel (1), its characterized in that: the side wall of the reaction barrel (1) is communicated with an air outlet pipe (2), the upper end face of the reaction barrel (1) is fixedly connected with a driving motor (3), one end of the output shaft end of the driving motor (3) penetrating through the top of the inner cavity of the reaction barrel (1) is fixedly connected with a rotating shaft (4), the outer wall of the rotating shaft (4) is fixedly connected with a stirring blade (5), the inner cavity wall of the reaction barrel (1) is symmetrically provided with uniform throwing and blanking mechanisms, and the inner cavity wall of the air outlet pipe (2) is provided with a filter cotton taking mechanism;
the uniform throwing blanking mechanism comprises a sliding frame (61), the inner cavity wall of the reaction barrel (1) is symmetrically and fixedly connected with the sliding frame (61), the inner part of the sliding frame (61) is fixedly connected with an L-shaped sleeve (62) in a sliding manner, the inner wall of the L-shaped sleeve (62) is vertically and slidingly connected with an L-shaped rod (63), one end of the L-shaped rod (63) far away from the sliding frame (61) is rotationally connected with a rotating wheel (64), the inner cavity of the reaction barrel (1) is rotationally connected with a symmetrical leak hole sleeve (65), one end of the leak hole sleeve (65) close to the sliding frame (61) is fixedly connected with a supporting shaft (66), one end of the supporting shaft (66) far away from the supporting shaft (67) is rotationally connected with one end of the L-shaped sleeve (62), the L-shaped rod (63) is rotationally connected with a sliding shaft (68) through a sliding chute, the top end of the sliding shaft (68) penetrates through the top surface of the reaction barrel (1) and is fixedly connected with a supporting shaft (69) of the inner wall (61) of the reaction barrel (61), the side wall of the reaction barrel (610) is fixedly connected with the sliding sleeve (610), the screw column (611) is in threaded connection with the U-shaped plate (610), the outer wall of the rotating shaft (4) is fixedly connected with the eccentric wheel (612), and one end face of one L-shaped rod (63) is fixedly connected with the connecting rod (613).
2. The reaction kettle for producing the polycarboxylate superplasticizer as recited in claim 1, wherein: the inner cavity wall of the reaction barrel (1) is fixedly connected with a charging barrel (614), the lower end face of the charging barrel (614) is slidably connected with an inclined groove plate (615) through a sliding groove, and one end, far away from the L-shaped sleeve (62), of the connecting rod (613) is fixedly connected with the side wall of the inclined groove plate (615).
3. The reaction kettle for producing the polycarboxylate superplasticizer as recited in claim 2, wherein: the inner cavity wall of the charging barrel (614) is fixedly connected with a discharging funnel (616), the groove wall of the chute plate (615) is slidably connected with a sliding column (617), the inner cavity wall of the reaction barrel (1) is vertically slidably connected with the sliding column (617) through a chute, and one end, far away from the inner cavity wall of the reaction barrel (1), of the sliding column (617) is fixedly connected with a convex plate (618).
4. A reaction kettle for producing a polycarboxylate superplasticizer as set forth in claim 3, wherein: one end of the convex plate (618) far away from the sliding column (617) is fixedly connected with a sealing plug (619), and the size of the sealing plug (619) is consistent with the size of a hole of the blanking funnel (616).
5. The reaction kettle for producing the polycarboxylate superplasticizer as recited in claim 1, wherein: the filter cotton taking-out mechanism comprises a filter plate (71), the inner cavity wall of the air outlet pipe (2) is fixedly connected with the filter plate (71), and the side wall of the filter plate (71) is connected with a threaded rod (72) in a penetrating and rotating manner.
6. The reaction kettle for producing the polycarboxylate superplasticizer as set forth in claim 5, wherein: the outer wall winding of threaded rod (72) has rope (73), one end fixedly connected with pull ring (74) of threaded rod (72) and run through outlet duct (2) outer wall is kept away from threaded rod (72) to rope (73), the outer wall threaded connection of threaded rod (72) has screw thread board (75).
7. The reaction kettle for producing the polycarboxylate superplasticizer as set forth in claim 6, wherein: the inner cavity wall of the air outlet pipe (2) is transversely connected with the threaded plate (75) in a sliding manner through a sliding groove, and the outer wall of the threaded rod (72) is sleeved with filter cotton (76).
8. The reaction kettle for producing the polycarboxylate superplasticizer as set forth in claim 7, wherein: the outer wall of the threaded rod (72) is wound with a clockwork spring (77), and one end of the clockwork spring (77) away from the threaded rod (72) is fixedly connected with the side wall of the filter plate (71).
9. A preparation method of a polycarboxylate superplasticizer is characterized by comprising the following steps of: use of a reaction vessel according to any one of claims 4 to 8, the preparation method comprising the steps of:
step one: preparing raw materials and a defoaming agent required by preparing the polycarboxylate superplasticizer;
step two: adding raw materials required to be added in the initial reaction into a reaction barrel (1) of a reaction kettle, adding the rest raw materials into a charging barrel (614), and adding a defoaming agent into a leak hole sleeve (65);
step three: starting a driving motor (3), driving a rotating shaft (4) and stirring blades (5) to stir and mix raw materials by the driving motor (3), holding a threaded column (611) to rotate after stirring and mixing for a period of time to enable a leak hole sleeve (65) to uniformly and intermittently rotate, and driving a defoaming agent in the leak hole sleeve (65) to be thrown out of a hole during rotation and uniformly throwing the defoaming agent on the mixed materials in a reaction barrel (1);
step four: when the threaded column (611) is rotated, the sealing plug (619) is driven to be opened or closed uniformly and intermittently, so that the residual raw materials in the charging barrel (614) are uniformly and intermittently fed onto the mixed materials in the reaction barrel (1) until the preparation of the polycarboxylate water reducer is completed.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011005145A1 (en) * | 2009-07-06 | 2011-01-13 | Reva Vasilij Ivanovich | Method for separating liquid and gas heterogeneous systems and a mechanical thermochemical fractionator for carrying out said method |
| CN111807574A (en) * | 2020-07-17 | 2020-10-23 | 湖州清鸿环境科技有限公司 | Acid industrial waste water purification treatment device |
| CN212328244U (en) * | 2020-04-07 | 2021-01-12 | 福建金化科技有限公司 | Reation kettle is used in film forming auxiliary agent production with intermittent type feed mechanism |
| CN112811648A (en) * | 2020-12-24 | 2021-05-18 | 蒋春梅 | Efficient sewage filters recovery unit |
| CN116037568A (en) * | 2023-02-09 | 2023-05-02 | 龚挺 | Waste gas centralized collection and treatment device for sewage plant |
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2023
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011005145A1 (en) * | 2009-07-06 | 2011-01-13 | Reva Vasilij Ivanovich | Method for separating liquid and gas heterogeneous systems and a mechanical thermochemical fractionator for carrying out said method |
| CN212328244U (en) * | 2020-04-07 | 2021-01-12 | 福建金化科技有限公司 | Reation kettle is used in film forming auxiliary agent production with intermittent type feed mechanism |
| CN111807574A (en) * | 2020-07-17 | 2020-10-23 | 湖州清鸿环境科技有限公司 | Acid industrial waste water purification treatment device |
| CN112811648A (en) * | 2020-12-24 | 2021-05-18 | 蒋春梅 | Efficient sewage filters recovery unit |
| CN116037568A (en) * | 2023-02-09 | 2023-05-02 | 龚挺 | Waste gas centralized collection and treatment device for sewage plant |
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