CN112794670A - Preparation process of concrete high-efficiency water reducing agent - Google Patents
Preparation process of concrete high-efficiency water reducing agent Download PDFInfo
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- CN112794670A CN112794670A CN202110033185.6A CN202110033185A CN112794670A CN 112794670 A CN112794670 A CN 112794670A CN 202110033185 A CN202110033185 A CN 202110033185A CN 112794670 A CN112794670 A CN 112794670A
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- cavity
- reducing agent
- water reducing
- condensation
- chamber
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Abstract
The invention provides a preparation process of a concrete high-efficiency water reducing agent, which is characterized by comprising the operation of matching a frame body, a condensation cavity, a driving cylinder, two sealed condensation devices, two conveying devices, an injection cavity, a sealing block and a rack plate.
Description
Technical Field
The invention relates to the technical field of water reducer preparation, and particularly relates to a preparation process of a concrete high-efficiency water reducer.
Background
The water reducing agent is an important concrete admixture, is one of important products in the novel building material strut industry, is a concrete admixture capable of reducing the mixing water consumption under the condition of maintaining the concrete slump constant, mostly belongs to an anionic surfactant, and comprises lignosulfonate, naphthalene sulfonate formaldehyde polymer and the like, and has a dispersing effect on cement particles after being added into the concrete mixture, so that the workability of the concrete admixture can be improved, the unit water consumption is reduced, and the fluidity of the concrete mixture is improved; or unit cement consumption is reduced, cement is saved, the water reducing agent is generally heated and mixed in the production process, so that the produced water reducing agent has higher temperature and can be used after being condensed.
Traditional cooling mode often piles up the water-reducing agent and carry out the natural cooling on one side, but this kind of mode cooling efficiency is lower, has prolonged operating time greatly, and piles up the in-process, and the steam that inside water-reducing agent produced is difficult to spill, and after top layer water-reducing agent temperature reduction, the temperature of inside water-reducing agent is still higher, and people need regular stirring, and the instrument that turns over for in-process and turns over probably causes the damage to the water-reducing agent surface.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation process of a concrete high-efficiency water reducing agent, which can solve the problems that the water reducing agent is often accumulated aside to be naturally cooled and cooled in a traditional cooling mode, but the cooling efficiency is low in the mode, the working time is greatly prolonged, in the accumulation process, hot gas generated by the internal water reducing agent is difficult to diffuse, after the temperature of the surface water reducing agent is reduced, the temperature of the internal water reducing agent is still high, people need to turn regularly, tools used for turning in the turning process can damage the surface of the water reducing agent, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that a condensing device is used in the preparation process of the concrete high efficiency water reducing agent, the condensing device comprises a frame body, a condensing cavity, a driving cylinder, two sealed condensing devices, two conveying devices, an injection cavity, a sealing block and a rack plate, and the preparation process of the concrete high efficiency water reducing agent by adopting the condensing device comprises the following steps:
s1, drying: carrying out high-temperature drying treatment on the sprayed mist water reducing agent to form a granular water reducing agent;
s2, circulating condensation: inputting the water reducing agent processed in the step S1 into a condensation cavity, driving a rack plate to descend by a driving cylinder, driving two sealing plates to adjust the opposite angles under the action of a rack and a pinion until the upper end of the condensation cavity is sealed, at the moment, communicating a communicating pipe is communicated with a rotating column after rotating, and cold air blown out by an air pump is sprayed into the water reducing agent in the condensation cavity through a first flexible column and a second flexible column so as to carry out circulating condensation;
s3, conveying type condensation: after condensation, the separation plate is drawn out forwards, the water reducing agent in the condensation cavity is conveyed into the serpentine pipe, part of cold air blown out by the air pump is conveyed into the flow dividing cavity and then blown into the serpentine pipe, so that the falling water reducing agent is blown, and meanwhile, the cold water in the cooling cavity is matched to cool the interior of the serpentine pipe, so that the falling water reducing agent is further condensed;
s4, scattering and forming: and (3) scattering the condensed water reducer by a dispersing mechanism to form water reducer solid particles with clear particles.
The condensation chamber has been seted up to the upper end of framework, and both ends are provided with two sealed condensing equipment about the condensation chamber, and two transport chambeies have been seted up to the left and right sides of framework lower extreme, carry and install conveyor on the chamber, and the injection chamber has been seted up at the lower extreme middle part of framework, and the embedding has sealed piece on the injection chamber, and the front end of framework is installed and is driven actuating cylinder, and the rack board is installed to the ejecting end that drives actuating cylinder.
The sealed condensing device comprises a connecting shaft, a rotating column, a sealing plate, a main air cavity, a first flexible column, a second flexible column, a communicating pipe, an air pump and a gear, wherein the connecting shaft is arranged on a frame body through a bearing, the gear is arranged at the front end of the connecting shaft, the rotating column is arranged on the connecting shaft, the sealing plate is arranged at the upper end of the rotating column, the main air cavity is formed in the sealing plate, the first flexible column and the second flexible column are arranged on the inner wall of the sealing plate at intervals, the length of the first flexible column is smaller than that of the second flexible column, the damage to the surface of the water reducing agent is reduced due to the flexible materials of the first flexible column and the second flexible column, the air pump is arranged on the outer side of the middle part of the frame body and connected with the communicating pipe, the communicating pipe is arranged on the frame body, and during specific work, after the water reducing agent is input into the condensing cavity, the rack, until the upper end to the condensation chamber is sealed, at this moment, the opening position of the arc chamber on the synchronous pivoted rotation post corresponds the switch-on with communicating pipe, and the air conditioning that the air pump blew off is spout from the first air cavity of first flexible post and the second air cavity of the flexible post of second respectively behind arc chamber, the main air cavity to carry out the air conditioning to the water-reducing agent of condensation intracavity and spout into the condensation.
The conveying device comprises a coiled pipe, a diversion chamber, a cooling chamber, a blocking block, a partition plate and a dispersing mechanism, wherein the coiled pipe is arranged in the conveying chamber, the diversion chamber is formed in the outer side of the coiled pipe and is communicated with the lower end of a communicating pipe, the cooling chamber is formed in the inner side of the coiled pipe, the blocking block is blocked at the lower end of the cooling chamber, the blocking block is convenient to discharge water in the cooling chamber, the dispersing mechanism is uniformly arranged at the lower end of the coiled pipe from left to right, the upper end of the coiled pipe is attached to the partition plate, the partition plate is connected with a frame body in an embedding mode, and ice water is injected into the cooling chamber from an injection chamber during specific work, thereby carry out physics cooling to the snakelike intraduct, simultaneously through some air conditioning that blow off in the air pump carry to the reposition of redundant personnel chamber after spout from gas pocket, delivery outlet respectively to further condensation process to the water-reducing agent of whereabouts.
The first flexible column is provided with a first air cavity which is communicated with the main air cavity, the second flexible column is provided with a second air cavity which is communicated with the main air cavity.
Wherein, the rotating column is provided with an arc-shaped cavity, the upper end of the arc-shaped cavity is communicated with the main air cavity, and the lower end of the arc-shaped cavity is of an opening structure.
The left end and the right end of the rack plate are provided with two racks, and the racks are meshed with the gears.
Wherein, the injection cavity and the cooling cavity are communicated, the upper end of the shunting cavity is uniformly provided with air holes, the lower end of the shunting cavity is uniformly provided with output holes, and the output holes are of a structure gradually inclining downwards from outside to inside.
The dispersing mechanism comprises an embedding shaft, a rolling barrel, an annular cavity, an embedding block and a handle, the embedding block is installed at the front end of the embedding shaft, the embedding block is embedded into the front end of the frame body, the handle is installed at the front end of the embedding block, the rolling barrel is sleeved outside the embedding shaft, and the annular cavity is formed in the rolling barrel.
The embedded shaft is uniformly provided with inner grooves along the circumferential direction of the embedded shaft, the inner grooves are connected with the drag reduction rollers through pin shafts, and the drag reduction rollers are attached to the inner walls of the rolling cylinders.
The invention has the beneficial effects that:
according to the preparation process of the concrete high-efficiency water reducing agent, the water reducing agent particles in the condensation cavity are cooled in a cold air injection mode, the water reducing agent can be turned by air blowing in the cooling process, the cooling uniformity of the surface of each water reducing agent is improved, the possibility of surface damage is greatly reduced, and the concrete high-efficiency water reducing agent is further condensed in a later-stage conveying mode through physical cooling and secondary cold air direct injection, so that the condensation efficiency is improved, and the condensation time is shortened;
secondly, the preparation process of the concrete high efficiency water reducing agent provided by the invention is characterized in that the sealed type condensing device continuously blows and turns over the water reducing agent particles in the condensing cavity while cooling through the deep penetration of the first flexible column and the second flexible column and the blowing action, so that the surfaces of the water reducing agents at different positions can be cooled by blowing;
and thirdly, the conveying device physically cools the interior of the coiled pipe through ice water and blows secondary cold air during conveying, so that falling water reducer particles are further cooled, and the cooled water reducer is scattered through a dispersing mechanism, so that the possibility of agglomeration is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a concrete high efficiency water reducing agent preparation process;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is a schematic view of the structure of the dispersion mechanism of the present invention;
FIG. 5 is a cross-sectional view of the dispersion mechanism of the present invention;
FIG. 6 is a cross-sectional view of the serpentine tube, the manifold chamber, the cooling chamber, and the obstruction block of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at X of FIG. 3;
fig. 8 is a partial enlarged view of the invention at Y of fig. 3.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 8, a concrete high efficiency water reducing agent preparation process uses a condensing device, the condensing device comprises a frame 1, a condensing cavity 2, a driving cylinder 3, two sealed condensing units 4, two conveying devices 5, an injection cavity 6, a sealing block 7 and a rack plate 8, and the concrete high efficiency water reducing agent preparation process using the condensing device is as follows:
s1, drying: carrying out high-temperature drying treatment on the sprayed mist water reducing agent to form a granular water reducing agent;
s2, circulating condensation: inputting the water reducing agent processed in the step S1 into the condensation chamber 2, driving the rack plate 8 to descend by driving the cylinder 3, driving the two sealing plates 43 to adjust the angle in the opposite direction under the action of the rack and pinion until the upper end of the condensation chamber 2 is sealed, at this time, the communicating pipe 47 is communicated with the rotating column 42 after rotating, and the cold air blown out by the air pump 48 is sprayed into the water reducing agent in the condensation chamber 2 through the first flexible column 45 and the second flexible column 46 to perform circulating condensation;
s3, conveying type condensation: after condensation, the partition plate 56 is drawn out forwards, the water reducing agent in the condensation chamber 2 is conveyed into the coiled pipe 51, part of cold air blown out by the air pump 48 is conveyed to the flow dividing chamber 52 and then blown into the coiled pipe 51, so that the falling water reducing agent is blown out, and simultaneously the temperature of the interior of the coiled pipe 51 is reduced by matching with the cold water in the temperature reduction chamber 54, and further the falling water reducing agent is condensed;
s4, scattering and forming: the condensed water-reducing agent is broken up by a dispersion mechanism 57 to form water-reducing agent solid particles with distinct particles.
The sealed condensing device 4 comprises a connecting shaft 41, a rotating column 42, a sealing plate 43, a main air cavity 44, a first flexible column 45, a second flexible column 46, a communicating pipe 47, an air pump 48 and a gear 49, wherein the connecting shaft 41 is arranged on the frame body 1 through a bearing, the gear 49 is arranged at the front end of the connecting shaft 41, the rotating column 42 is arranged on the connecting shaft 41, the sealing plate 43 is arranged at the upper end of the rotating column 42, the main air cavity 44 is arranged on the sealing plate 43, the first flexible column 45 and the second flexible column 46 are arranged on the inner wall of the sealing plate 43 at intervals, the length of the first flexible column 45 is smaller than that of the second flexible column 46, the damage to the surface of the water reducing agent is reduced due to the flexible materials of the first flexible column 45 and the second flexible column 46, the communicating pipe 48 is arranged on the outer side of the middle part of the frame body 1, the air pump 48 is connected, after the water-reducing agent after the drying is input condensation chamber 2, drive rack plate 8 through driving actuating cylinder 3 and descend, the closing plate 43 who arranges about driving under rack and pinion's effect is angle modulation in opposite directions, until sealed to the upper end of condensation chamber 2, at this moment, the opening position in arc chamber on the synchronous pivoted rotation post 42 corresponds the switch-on with communicating pipe 47, the air conditioning that air pump 48 blew out passes through the arc chamber, spout from the first air cavity of first flexible post 45 and the second air cavity of second flexible post 46 respectively behind the main air cavity 44, thereby carry out air conditioning to the water-reducing agent in the condensation chamber 2 and spout into the condensation.
The first flexible column 45 is provided with a first air cavity which is communicated with the main air cavity 44, the second flexible column 46 is provided with a second air cavity which is communicated with the main air cavity 44, the rotating column 42 is provided with an arc-shaped cavity, the upper end of the arc-shaped cavity is communicated with the main air cavity 44, the lower end of the arc-shaped cavity is of an opening structure, when the opposite angles of the sealing plates 43 arranged on the left and the right are adjusted until the upper end of the condensation cavity 2 is sealed, the rotating column 42 rotates synchronously at the moment, the opening part at the original lower end of the arc-shaped cavity is communicated with the inner end of the communicating pipe 47 in a butt joint mode, the left end and the right end of the rack plate 8 are provided with two racks, and the racks are meshed with.
The conveying device 5 comprises a coiled pipe 51, a diversion cavity 52, a cooling cavity 54, a blocking block 55, a partition plate 56 and a dispersing mechanism 57, the coiled pipe 51 is arranged inside the conveying cavity, the diversion cavity 52 is formed on the outer side of the coiled pipe 51, the diversion cavity 52 is communicated with the lower end of a communication pipe 47, the cooling cavity 54 is formed on the inner side of the coiled pipe 51, the blocking block 55 is blocked at the lower end of the cooling cavity 54, the blocking block 55 is arranged to facilitate the discharge of water in the cooling cavity 54, the dispersing mechanism 57 is uniformly arranged at the lower end of the coiled pipe 51 from left to right, the upper end of the coiled pipe 51 is attached to the partition plate 56, the partition plate 56 is connected with the frame body 1 in an embedding mode, during specific work, ice water is injected into the cooling cavity 54 from the injection cavity 6, so as to physically cool the inside of the coiled pipe 51, and part of cold air blown out from the air pump 48 is conveyed to the diversion cavity 52, The output hole is sprayed out, so that the falling water reducing agent is further condensed.
The injection cavity 6 and the cooling cavity 54 are communicated, the upper end of the flow distribution cavity 52 is uniformly provided with air holes, the lower end of the flow distribution cavity 52 is uniformly provided with an output hole, the output hole is of a gradually downward-inclined structure from outside to inside, and the downward-inclined structure ensures the falling of the water reducing agent.
The dispersing mechanism 57 comprises an embedded shaft 571, a rolling cylinder 572, an annular cavity 573, an embedded block 574 and a handle 575, the embedded block 574 is installed at the front end of the embedded shaft 571, the embedded block 574 is embedded at the front end of the frame body 1 and is detachably connected with the frame body 1, the dispersing mechanism 57 can be taken out conveniently for replacing ice water, the handle 575 is installed at the front end of the embedded block 574, the rolling cylinder 572 is sleeved outside the embedded shaft 571, the annular cavity 573 is formed in the rolling cylinder 572, the ice water injected into the annular cavity 573 reduces the temperature on the surface of the rolling cylinder 573, the condensed water reducing agent is scattered by a dispersing mechanism 57 to form water reducing agent solid particles with clear particles, the embedded shaft 571 is uniformly provided with inner grooves along the circumferential direction thereof, the inner grooves are connected with the drag reduction roller through pin shafts, and the drag reduction roller is attached to the inner wall of the rolling cylinder 572, and the design of the drag reduction roller reduces the resistance of the rolling cylinder 572 to rotate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a concrete high efficiency water reducing agent preparation technology, its used a condensing equipment, this condensing equipment includes framework (1), condensation chamber (2), drives actuating cylinder (3), two sealed condensing equipment (4), two conveyor (5), pours into chamber (6), sealed piece (7), rack board (8), its characterized in that: the preparation process of the concrete high-efficiency water reducing agent by adopting the condensing equipment comprises the following steps:
s1, drying: carrying out high-temperature drying treatment on the sprayed mist water reducing agent to form a granular water reducing agent;
s2, circulating condensation: inputting the water reducing agent processed in the step S1 into the condensation chamber (2), driving the rack plate (8) to descend by driving the cylinder (3), driving the two sealing plates (43) to adjust the opposite angles under the action of the rack and pinion until the upper end of the condensation chamber (2) is sealed, at the moment, the communicating pipe (47) is communicated with the rotating column (42) after rotating, and cold air blown out by the air pump (48) is sprayed into the water reducing agent in the condensation chamber (2) through the first flexible column (45) and the second flexible column (46) so as to carry out circulating condensation;
s3, conveying type condensation: after condensation, the partition plate (56) is drawn out forwards, the water reducing agent in the condensation cavity (2) is conveyed into the coiled pipe (51), part of cold air blown out by the air pump (48) is conveyed into the flow dividing cavity (52) and then blown into the coiled pipe (51), so that the falling water reducing agent is blown out, and simultaneously the cooling water in the cooling cavity (54) is matched to cool the interior of the coiled pipe (51), so that the falling water reducing agent is further condensed;
s4, scattering and forming: the condensed water reducing agent is scattered by a dispersing mechanism (57) to form water reducing agent solid particles with clear particles;
the upper end of the frame body (1) is provided with a condensation cavity (2), the left end and the right end of the condensation cavity (2) are provided with two sealed condensing devices (4), the left side and the right side of the lower end of the frame body (1) are provided with two conveying cavities, the conveying cavities are provided with conveying devices (5), the middle part of the lower end of the frame body (1) is provided with an injection cavity (6), a sealing block (7) is embedded in the injection cavity (6), the front end of the frame body (1) is provided with a driving air cylinder (3), and the ejection end of the driving air cylinder (3) is provided with a rack;
the sealed condensing device (4) comprises a connecting shaft (41), a rotating column (42), a sealing plate (43), a main air cavity (44), a first flexible column (45), a second flexible column (46), a communicating pipe (47), an air pump (48) and a gear (49), wherein the connecting shaft (41) is installed on the frame body (1) through a bearing, the gear (49) is installed at the front end of the connecting shaft (41), the rotating column (42) is installed on the connecting shaft (41), the sealing plate (43) is installed at the upper end of the rotating column (42), the main air cavity (44) is formed in the sealing plate (43), the first flexible column (45) and the second flexible column (46) are installed on the inner wall of the sealing plate (43) at intervals, the length of the first flexible column (45) is smaller than that of the second flexible column (46), the air pump (48) is installed on the outer side of the middle part of the frame body (1), and the air pump, the communicating pipe (47) is installed on the frame body (1);
conveyor (5) including coiled pipe (51), reposition of redundant personnel chamber (52), cooling chamber (54), jam piece (55), division board (56), dispersion mechanism (57), the inside at the transport chamber is installed in coiled pipe (51), reposition of redundant personnel chamber (52) have been seted up in the outside of coiled pipe (51), reposition of redundant personnel chamber (52) are linked together with the lower extreme of communicating pipe (47), cooling chamber (54) have been seted up to the inboard of coiled pipe (51), the lower extreme jam in cooling chamber (54) has jam piece (55), the lower extreme of coiled pipe (51) is from a left side to the right side and is evenly provided with dispersion mechanism (57), the upper end and division board (56) of coiled pipe (51) are laminated mutually, division board (56) are connected with framework (1) through the mode of embedding.
2. The preparation process of the concrete high efficiency water reducing agent according to claim 1, which is characterized in that: the first flexible column (45) is provided with a first air cavity which is communicated with the main air cavity (44), the second flexible column (46) is provided with a second air cavity which is communicated with the main air cavity (44).
3. The preparation process of the concrete high efficiency water reducing agent according to claim 1, which is characterized in that: an arc-shaped cavity is formed in the rotating column (42), the upper end of the arc-shaped cavity is communicated with the main air cavity (44), and the lower end of the arc-shaped cavity is of an opening structure.
4. The preparation process of the concrete high efficiency water reducing agent according to claim 1, which is characterized in that: two racks are arranged at the left end and the right end of the rack plate (8), and the racks are meshed with the gear (49).
5. The preparation process of the concrete high efficiency water reducing agent according to claim 1, which is characterized in that: the injection cavity (6) and the cooling cavity (54) are communicated, air holes are uniformly formed in the upper end of the diversion cavity (52), output holes are uniformly formed in the lower end of the diversion cavity (52), and the output holes are of a structure which is gradually inclined downwards from outside to inside.
6. The preparation process of the concrete high efficiency water reducing agent according to claim 1, which is characterized in that: the dispersing mechanism (57) comprises an embedding shaft (571), a rolling cylinder (572), an annular cavity (573), an embedding block (574) and a handle (575), wherein the embedding block (574) is installed at the front end of the embedding shaft (571), the embedding block (574) is embedded at the front end of the frame body (1), the handle (575) is installed at the front end of the embedding block (574), the rolling cylinder (572) is sleeved outside the embedding shaft (571), and the annular cavity (573) is formed in the rolling cylinder (572).
7. The preparation process of the concrete high efficiency water reducing agent according to claim 6, characterized in that: the embedding shaft (571) is uniformly provided with inner grooves along the circumferential direction, the inner grooves are connected with the drag reduction rollers through pin shafts, and the drag reduction rollers are attached to the inner wall of the rolling barrel (572).
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| US20100086477A1 (en) * | 2008-10-07 | 2010-04-08 | Ifp | Reaction chamber promoting heat exchange between the reagents and the gases that are produced |
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| CN209783336U (en) * | 2019-01-15 | 2019-12-13 | 荆门市万泰机械有限公司 | Novel vertical fertilizer cooling device |
| CN111253104A (en) * | 2020-03-01 | 2020-06-09 | 刘青山 | Device and method for preparing environment-friendly composite concrete water reducer |
| CN111408214A (en) * | 2020-04-18 | 2020-07-14 | 程业春 | Industrial flue gas purification treatment method |
| CN111939835A (en) * | 2020-08-21 | 2020-11-17 | 陶娟 | Preparation method of organic compound fertilizer |
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2021
- 2021-01-11 CN CN202110033185.6A patent/CN112794670B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100086477A1 (en) * | 2008-10-07 | 2010-04-08 | Ifp | Reaction chamber promoting heat exchange between the reagents and the gases that are produced |
| CN208786416U (en) * | 2018-06-28 | 2019-04-26 | 四川银凯新材料有限公司 | Xanthator is used in a kind of production of water-reducing agent |
| CN209783336U (en) * | 2019-01-15 | 2019-12-13 | 荆门市万泰机械有限公司 | Novel vertical fertilizer cooling device |
| CN111253104A (en) * | 2020-03-01 | 2020-06-09 | 刘青山 | Device and method for preparing environment-friendly composite concrete water reducer |
| CN111408214A (en) * | 2020-04-18 | 2020-07-14 | 程业春 | Industrial flue gas purification treatment method |
| CN111939835A (en) * | 2020-08-21 | 2020-11-17 | 陶娟 | Preparation method of organic compound fertilizer |
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| CN112794670B (en) | 2022-05-13 |
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