CN115770541B - Preparation method of concrete water reducer - Google Patents

Abstract

The invention discloses a preparation method of a concrete water reducer, which relates to the technical field of concrete additives, and is realized by concrete water reducer preparation equipment, wherein the concrete water reducer preparation equipment comprises a reaction kettle, a separation mechanism is arranged in the middle of an inner cavity of the reaction kettle, the inner cavity of the reaction kettle is divided into an upper cavity and a lower cavity by the separation mechanism, a pressurizing driving mechanism is arranged in the reaction kettle and at the bottom of the reaction kettle, a mixing discharging mechanism, a sealing mechanism, a lifting traction mechanism and a triggering type air inlet mechanism are sequentially arranged outside the pressurizing driving mechanism from bottom to top, and the mixing discharging mechanism and the lifting traction mechanism are in transmission connection with the pressurizing driving mechanism. The method effectively improves the preparation efficiency of the concrete water reducer, avoids time cost increase caused by material transfer, has higher automation degree, and is more effectively suitable for the industrial production of the concrete water reducer.

Description

Preparation method of concrete water reducer

Technical Field

The invention relates to the technical field of concrete additives, in particular to a preparation method of a concrete water reducer.

Background

The concrete water reducing agent is an additive with water reducing and reinforcing effects under the condition of keeping the viscosity of concrete unchanged, and the main component of the water reducing agent is an anionic surfactant which does not react with cement chemically but acts through plasticizing effect on fresh concrete.

The invention patent of the issued publication number CN 111153623B discloses a preparation method of a solid concrete water reducer, which comprises the following steps: weighing calcium chloride, calcium sulfate, calcium hydroxide, sodium sulfate, potassium sulfate, phosphorus pentoxide and sodium nitrate, and uniformly mixing to obtain a mixture A; placing acetic acid, ethanol, hydrogen peroxide and deionized water in a container, and uniformly mixing to obtain a mixed solution B; adding the mixed solution B into the mixture A, and uniformly stirring to obtain a mixture C; placing the mixture C in a closed container, heating to a reflux state, and spray drying to obtain water reducing agent particles; and grinding the water reducer particles into powder to obtain the solid concrete water reducer. The production process of the water reducer is obviously improved, the heat generation amount in the preparation process is reduced, the production safety coefficient is increased, the water reducing effect of the water reducer is enhanced, the use amount of the water reducer is further reduced, and the cost is reasonably saved.

The preparation method is applied to the industrialized preparation of the concrete water reducer, and the preparation method has the advantages that the preparation method is large in material quantity, so that the preparation method is used for the industrialized preparation of the concrete water reducer, namely, the preparation of the mixture B is required to transfer and feed various liquid materials, and then the preparation of the mixture C is required to transfer and feed the mixture B in a relatively long time, so that the time cost in the preparation process of the concrete water reducer is obviously increased, the industrialized preparation efficiency of the concrete water reducer is greatly influenced, and the method cannot be effectively applied to the industrialized production of the concrete water reducer.

Therefore, it is necessary to invent a preparation method of a concrete water reducing agent to solve the above problems.

Disclosure of Invention

The invention aims to provide a preparation method of a concrete water reducer, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation method of the concrete water reducer is realized by concrete water reducer preparation equipment, the concrete water reducer preparation equipment comprises a reaction kettle, a separation mechanism is arranged in the middle of an inner cavity of the reaction kettle, the inner cavity of the reaction kettle is separated into an upper cavity and a lower cavity by the separation mechanism, a pressurizing driving mechanism is arranged in the reaction kettle and at the bottom of the reaction kettle, a mixing discharge mechanism, a sealing mechanism, a lifting traction mechanism and a triggering type air inlet mechanism are sequentially arranged outside the pressurizing driving mechanism from bottom to top, and the mixing discharge mechanism and the lifting traction mechanism are in transmission connection with the pressurizing driving mechanism;

The separation mechanism comprises a separation inner plate, a liquid channel, a separation outer plate, an upper sealing plate, a first guide rod, an end block, a first spring and a lower sealing plate;

The inner separation plate is positioned inside the reaction kettle, the liquid channel penetrates through the bottom of the inner separation plate and extends to the top of the inner separation plate, the outer separation plate is rotatably sleeved on the outer side of the inner separation plate through a bearing and is rotatably connected with the inner wall of the reaction kettle through a bearing, the upper sealing plate is attached to the top of the inner separation plate and seals the liquid channel, two first guide rods, end blocks and first springs are respectively and fixedly arranged on two sides of the bottom of the upper sealing plate and respectively extend to the bottom of the inner separation plate in a sliding manner, the two end blocks are respectively and fixedly arranged at the bottom ends of the two first guide rods, the two first springs are respectively sleeved on the bottoms of the outer sides of the two first guide rods, and the lower sealing plate is slidably sleeved on the outer sides of the two first guide rods and positioned at the tops of the two first springs;

The supercharging driving mechanism comprises a hollow screw rod, a driving motor, a driving gear and an air inlet pipe;

the hollow screw penetrates through the bottom of the reaction kettle and extends to the inside of the reaction kettle, and is rotationally connected with the reaction kettle through a bearing, the driving motor is fixedly arranged on the right side of the bottom of the reaction kettle, two driving gears are arranged, the hollow screw is in transmission connection with the driving motor through the two driving gears, and the air inlet pipe is rotationally connected to the bottom end of the hollow screw through a rotary joint;

the mixing and discharging mechanism comprises a rotating disc, an arc-shaped push plate, a stirring main rod and a stirring support rod;

the fixed cup joint of rolling disc sets up in the hollow screw rod outside, and rotates and set up in reation kettle inner chamber bottom, the arc push pedal is provided with a plurality of, and is a plurality of the arc push pedal evenly fixes to set up in the rolling disc outside, the stirring mobile jib is provided with two, stirring branch is provided with a plurality of, two the arc push pedal is fixed respectively to set up in rolling disc top both sides, a plurality of stirring branch evenly fixes respectively and sets up in stirring mobile jib both sides, the stirring mobile jib runs through the separation planking and rotates with the separation planking to be connected.

Preferably, the closing mechanism comprises a first annular outer plate, a threaded sleeve, a second annular outer plate, a connecting rod, an annular closing plate and a guide rail.

Preferably, the first annular planking is rotated through the bearing and is cup jointed and set up in the lower seal board outside, threaded sleeve is provided with two, two threaded sleeve is fixed the nested setting respectively in first annular planking top both sides, two threaded sleeve cup joints respectively and sets up in two stirring mobile jib outsides, and respectively with two stirring mobile jib threaded connection, the second annular planking is rotated through the bearing and is cup jointed and set up in first annular planking outside, the connecting rod is provided with a plurality of, a plurality of the connecting rod evenly fixes and sets up in the second annular planking outside, annular closure plate is fixed to be set up in a plurality of connecting rod outsides, and with reation kettle inner wall sliding connection, the guide rail is provided with two, two the guide rail slides the nested setting respectively in annular closure plate both sides, and all with reation kettle inner wall fixed connection.

Preferably, the lifting traction mechanism comprises a lifting sleeve plate, a second guide rod, a lifting rod, a limiting block and a limiting sleeve.

Preferably, the lifting sleeve plate is sleeved outside the hollow screw rod and is in threaded connection with the hollow screw rod, the second guide rods, the lifting rods, the limiting blocks and the limiting sleeves are all arranged in two, the second guide rods are respectively fixedly arranged on two sides of the top of the lifting sleeve plate, the lifting rods are respectively fixedly arranged on two sides of the bottom of the lifting sleeve plate, the limiting blocks are respectively fixedly arranged at two lifting rod bottoms, and the limiting sleeves are respectively slidably sleeved outside the two limiting blocks and are fixedly connected with the upper sealing plate.

Preferably, the triggering type air inlet mechanism comprises an air hole, a closed sleeve, an avoidance groove and a second spring.

Preferably, the air hole is formed in the top of the front surface of the hollow screw, the sealing sleeve is sleeved on the outer side of the air hole in a sliding manner, the avoidance groove is formed in the front surface of the sealing sleeve, the second spring is sleeved on the top of the outer side of the hollow screw, one end of the second spring is fixedly connected with the sealing sleeve, and the other end of the second spring is fixedly connected with the inner wall of the reaction kettle.

Preferably, the method specifically comprises the following steps:

S1, adding calcium chloride, calcium sulfate, calcium hydroxide, sodium sulfate, potassium sulfate, phosphorus pentoxide and sodium nitrate powder into a lower chamber, adding anhydrous acetic acid, ethanol, hydrogen peroxide and deionized water into an upper chamber, and starting a driving motor;

S2, after the driving motor is started, the driving gear drives the hollow screw rod to rotate, the hollow screw rod drives the two stirring main rods to rotate through the rotating disc, the stirring main rods drive the stirring support rods to uniformly mix materials in the lower cavity, meanwhile, the stirring main rods drive the separation outer plates to synchronously rotate, and the separation outer plates uniformly mix the materials in the upper cavity when rotating;

S3, the hollow screw rotates to drive the lifting sleeve plate guided by the second guide rod to synchronously rise, the lifting sleeve plate drives the limiting block to rise on the inner side of the limiting sleeve through the lifting rod when rising, when the rising distance of the lifting sleeve plate reaches a first threshold value, the limiting block moves to the topmost part of the inner side of the limiting sleeve at the moment, meanwhile, the materials in the upper chamber and the lower chamber are uniformly mixed, a mixture B is prepared in the upper chamber, and a mixture A is prepared in the lower chamber;

S4, when the lifting sleeve plate lifting distance reaches a second threshold value, the lifting sleeve plate starts to push the sealing sleeve to lift, the sealing sleeve releases the blocking of the air holes along with the continuous lifting of the sealing sleeve, and at the moment, the air flow input into the hollow screw by the air inlet pipe enters the upper cavity through the air holes, so that the upper cavity is pressurized;

S5, along with the continuous rotation of the hollow screw rod, the lifting sleeve plate drives the upper sealing plate to ascend through the lifting rod, the limiting block and the limiting sleeve, the blocking of the liquid channel is relieved when the upper sealing plate ascends, the mixture B positioned in the upper cavity passes through the liquid channel and falls into the top of the lower sealing plate, then flows into the lower cavity through a gap between the second annular outer plate and the annular sealing plate to be mixed with the mixture A, and in the process, the rotating disc drives the stirring main rod to uniformly mix the mixture A and the mixture B through the stirring branch rod;

S6, in the rising process of the upper sealing plate, the upper sealing plate drives the lower sealing plate to synchronously rise through the first guide rod, the lower sealing plate drives the threaded sleeve to rise through the first annular outer plate when rising, the annular sealing plate is driven to rise through the second annular outer plate and the connecting rod, the threaded sleeve drives the stirring main rod to rotate when rising, the stirring main rod rotates while revolving around the hollow screw rod as the axis, the stirring intensity is improved, and the feeding hopper of the lower cavity is gradually blocked when the annular sealing plate rises;

s7, when the rising distance of the lifting sleeve plate reaches a third threshold value, the lower sealing plate seals the liquid channel from the lower part under the pushing of the first guide rod, the end block and the first spring, at the moment, all the mixture B in the upper cavity is input into the lower cavity, meanwhile, the annular sealing plate also completes the sealing of the feeding hopper of the lower cavity, the lifting sleeve plate continues to rise along with the continuing rotation of the hollow screw, at the moment, the lower sealing plate cannot continue to rise due to the blocking of the separation inner plate, so the lower sealing plate is kept motionless, and the first spring is compressed;

S8, when the rising distance of the lifting sleeve plate reaches a fourth threshold value, the lifting sleeve plate rises to the outer side of the air hole, the air hole is blocked, so that the air hole cannot continuously input air flow into the upper cavity, at the moment, the mixture A and the mixture B are uniformly mixed to prepare a mixture C, meanwhile, the lower cavity is in a closed state, at the moment, a self-contained adding component in the lower cavity is started, and the mixture C is heated;

And S9, discharging the mixture after heating, performing spray drying treatment to obtain water reducer particles, and finally grinding the water reducer particles into powder to obtain the solid concrete water reducer.

The invention has the technical effects and advantages that:

According to the invention, the separation mechanism, the pressurizing driving mechanism, the mixing discharging mechanism, the sealing mechanism, the lifting traction mechanism and the triggering type air inlet mechanism are arranged, so that the inner cavity of the reaction kettle is separated by the separation mechanism, an upper cavity for mixing liquid materials and a lower cavity for mixing solid materials are formed, meanwhile, the mixing discharging mechanism can be driven, so that the mixing of the liquid materials and the solid materials is synchronously completed, in addition, in the process of driving the mixing discharging mechanism by the pressurizing driving mechanism, the lifting traction mechanism is synchronously driven, the lifting traction mechanism is triggered to increase the internal pressure of the upper cavity, meanwhile, the lifting traction mechanism is continuously driven along with the lifting traction mechanism to trigger the separation mechanism, so that the materials in the upper cavity can quickly enter the lower cavity to complete mixing, and when the separation mechanism is triggered, the mixing discharging mechanism and the sealing mechanism are simultaneously driven, so that the sealing mechanism is matched with the separation mechanism to finish sealing of the lower cavity, and meanwhile, the mixing effect of the mixing discharging mechanism is enhanced, the mixing time is shortened, the same as the water reducing agent is continuously driven by the lifting traction mechanism, the water reducing agent is more efficient in the prior art, the water reducing agent is produced, the cost of the invention is more effectively improved, and the cost of the automatic water reducing agent is more efficient than the water reducing agent is produced by the prior art.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of the present invention.

Fig. 2 is a schematic diagram of a partial, lifting traction mechanism and triggered air intake mechanism desktop cross-sectional structure of the partition mechanism of the present invention.

Fig. 3 is a schematic view of a front cross-sectional view of a partition mechanism and a closure mechanism according to the present invention.

Fig. 4 is a schematic diagram of a front cross-sectional structure of the pressurizing driving mechanism and the mixing discharging mechanism.

In the figure: 1. a reaction kettle; 2. a partition mechanism; 21. a partition inner plate; 22. a liquid channel; 23. a dividing outer plate; 24. an upper sealing plate; 25. a first guide bar; 26. an end block; 27. a first spring; 28. a lower sealing plate; 3. a boost drive mechanism; 31. a hollow screw; 32. a driving motor; 33. a drive gear; 34. an air inlet pipe; 4. a mixing and discharging mechanism; 41. a rotating disc; 42. an arc push plate; 43. a stirring main rod; 44. stirring support rods; 5. a closing mechanism; 51. a first annular outer plate; 52. a threaded sleeve; 53. a second annular outer plate; 54. a connecting rod; 55. an annular closing plate; 56. a guide rail; 6. a lifting traction mechanism; 61. lifting the sleeve plate; 62. a second guide bar; 63. a lifting rod; 64. a limiting block; 65. a limit sleeve; 7. a trigger type air inlet mechanism; 71. air holes; 72. closing the sleeve; 73. an avoidance groove; 74. and a second 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

The invention provides a preparation method of a concrete water reducer, which is shown in figures 1-4, and is realized by concrete water reducer preparation equipment, the concrete water reducer preparation equipment comprises a reaction kettle 1, a separation mechanism 2 is arranged in the middle of an inner cavity of the reaction kettle 1, the inner cavity of the reaction kettle 1 is divided into an upper cavity and a lower cavity by the separation mechanism 2, a pressurizing driving mechanism 3 is arranged in the reaction kettle 1 and at the bottom of the reaction kettle 1, a mixing discharge mechanism 4, a sealing mechanism 5, a lifting traction mechanism 6 and a trigger type air inlet mechanism 7 are sequentially arranged outside the pressurizing driving mechanism 3 from bottom to top, and the mixing discharge mechanism 4 and the lifting traction mechanism 6 are in transmission connection with the pressurizing driving mechanism 3.

As shown in fig. 2 and fig. 3, the separation mechanism 2 includes a separation inner plate 21, a liquid channel 22, a separation outer plate 23, an upper sealing plate 24, first guide rods 25, end blocks 26, first springs 27 and a lower sealing plate 28, wherein the separation inner plate 21 is located inside the reaction kettle 1, the liquid channel 22 is penetrated and arranged at the bottom of the separation inner plate 21 and extends to the top of the separation inner plate 21, the separation outer plate 23 is rotatably sleeved and arranged at the outer side of the separation inner plate 21 through a bearing and is rotatably connected with the inner wall of the reaction kettle 1 through the bearing, the upper sealing plate 24 is attached and arranged at the top of the separation inner plate 21 and seals the liquid channel 22, the first guide rods 25, the end blocks 26 and the first springs 27 are respectively and fixedly arranged at two sides of the bottom of the upper sealing plate 24, and respectively extend to the bottom of the separation inner plate 21, the two end blocks 26 are respectively and fixedly arranged at the bottom of the two first guide rods 25, the two first springs 27 are respectively sleeved and arranged at the bottom of the two first guide rods 25, and the lower sealing plate 28 is slidably arranged at the top of the two first guide rods 25.

As shown in fig. 4, the pressurizing driving mechanism 3 includes a hollow screw 31, a driving motor 32, a driving gear 33 and an air inlet pipe 34, wherein the hollow screw 31 penetrates through the bottom of the reaction kettle 1 and extends to the inside of the reaction kettle 1, and is rotationally connected with the reaction kettle 1 through a bearing, the driving motor 32 is fixedly arranged on the right side of the bottom of the reaction kettle 1, the driving gears 33 are provided with two, the hollow screw 31 is in transmission connection with the driving motor 32 through the two driving gears 33, and the air inlet pipe 34 is rotationally connected to the bottom end of the hollow screw 31 through a rotary joint.

As shown in fig. 4, the mixing and discharging mechanism 4 includes a rotating disc 41, an arc-shaped pushing plate 42, a stirring main rod 43 and stirring support rods 44, wherein the rotating disc 41 is fixedly sleeved on the outer side of the hollow screw 31, and is rotatably arranged at the bottom of an inner cavity of the reaction kettle 1, the arc-shaped pushing plate 42 is provided with a plurality of stirring main rods, the arc-shaped pushing plate 42 is uniformly and fixedly arranged on the outer side of the rotating disc 41, the stirring main rod 43 is provided with two stirring support rods 44, the two arc-shaped pushing plates 42 are respectively and fixedly arranged on two sides of the top of the rotating disc 41, the stirring support rods 44 are respectively and uniformly fixedly arranged on two sides of the stirring main rod 43, and the stirring main rod 43 penetrates through the separation outer plate 23 and is rotatably connected with the separation outer plate 23.

Through setting up above-mentioned boost driving mechanism 3 and mixing discharging mechanism 4 to drive the hollow screw 31 through drive gear 33 after the driving motor 32 starts and rotate, the hollow screw 31 drives two stirring mobile jib 43 through rolling disc 41 and rotates, drives a plurality of stirring branches 44 and carries out the mixing to the material that is located the cavity down when stirring mobile jib 43 rotates, drives when stirring mobile jib 43 simultaneously and separates planking 23 synchronous rotation, separates planking 23 and carries out the mixing to the material that is located the cavity down when rotating.

As shown in fig. 3, the sealing mechanism 5 includes a first annular outer plate 51, threaded sleeves 52, a second annular outer plate 53, connecting rods 54, annular sealing plates 55 and guide rails 56, wherein the first annular outer plate 51 is rotatably sleeved on the outer side of the lower sealing plate 28 through bearings, two threaded sleeves 52 are respectively fixedly nested on two sides of the top of the first annular outer plate 51, two threaded sleeves 52 are respectively sleeved on the outer sides of two stirring main rods 43 and are respectively in threaded connection with the two stirring main rods 43, the second annular outer plate 53 is rotatably sleeved on the outer side of the first annular outer plate 51 through bearings, a plurality of connecting rods 54 are arranged, a plurality of connecting rods 54 are uniformly and fixedly arranged on the outer side of the second annular outer plate 53, the annular sealing plates 55 are fixedly arranged on the outer sides of the plurality of connecting rods 54 and are slidably connected with the inner wall of the reaction kettle 1, and two guide rails 56 are respectively slidably nested on two sides of the annular sealing plates 55 and are fixedly connected with the inner wall of the reaction kettle 1.

Through setting up above-mentioned structure to drive screw sleeve 52 through first annular planking 51 when the lower closing plate 28 rises, drive annular closing plate 55 through second annular planking 53 and connecting rod 54 and rise, drive stirring mobile jib 43 rotation when screw sleeve 52 rises, and then make stirring mobile jib 43 take place the rotation when being located hollow screw 31 and revolve around as the axle center, improve stirring intensity, the feeder hopper of lower cavity is plugged gradually when annular closing plate 55 rises.

As shown in fig. 2, the lifting traction mechanism 6 includes a lifting sleeve plate 61, a second guide rod 62, a lifting rod 63, a limiting block 64 and a limiting sleeve 65, wherein the lifting sleeve plate 61 is sleeved outside the hollow screw 31 and is in threaded connection with the hollow screw 31, the second guide rod 62, the lifting rod 63, the limiting block 64 and the limiting sleeve 65 are respectively provided with two, the second guide rod 62 is respectively fixedly arranged on two sides of the top of the lifting sleeve plate 61, the lifting rod 63 is respectively fixedly arranged on two sides of the bottom of the lifting sleeve plate 61, the limiting block 64 is respectively fixedly arranged at the bottom ends of the two lifting rods 63, and the limiting sleeve 65 is respectively and slidably sleeved outside the two limiting blocks 64 and is fixedly connected with the upper sealing plate 24.

Through setting up above-mentioned structure to drive lift sleeve plate 61 when hollow screw 31 rotates and rise, lift sleeve plate 61 rises and is difficult to drive stopper 64 at limit sleeve 65 inboard slip when rising, and when stopper 64 slides to limit sleeve 65 inboard top, lift sleeve plate 61 can drive upper seal plate 24 through lifter 63, stopper 64 and limit sleeve 65 and rise.

As shown in fig. 2, the triggering air intake mechanism 7 includes an air hole 71, a closed sleeve 72, an avoidance groove 73 and a second spring 74, wherein the air hole 71 is formed at the top of the front surface of the hollow screw 31, the closed sleeve 72 is slidably sleeved on the outer side of the air hole 71, the avoidance groove 73 is formed at the front surface of the closed sleeve 72, the second spring 74 is sleeved on the top of the outer side of the hollow screw 31, one end of the second spring 74 is fixedly connected with the closed sleeve 72, and the other end of the second spring is fixedly connected with the inner wall of the reaction kettle 1.

Through setting up above-mentioned structure to drive when lifting sleeve plate 61 rises and seal sleeve 72 synchronous rising, and then make seal sleeve 72 remove the shutoff to gas pocket 71, the inside air current of hollow screw 31 can enter into the cavity through gas pocket 71 this moment, and then carries out the pressure boost to the cavity, makes follow-up mixture B can be discharged more soon.

Example 2

The method specifically comprises the following steps:

S1, adding calcium chloride, calcium sulfate, calcium hydroxide, sodium sulfate, potassium sulfate, phosphorus pentoxide and sodium nitrate powder into a lower chamber, adding anhydrous acetic acid, ethanol, hydrogen peroxide and deionized water into an upper chamber, and starting a driving motor 32;

S2, after the driving motor 32 is started, the driving gear 33 drives the hollow screw 31 to rotate, the hollow screw 31 drives the two stirring main rods 43 to rotate through the rotating disc 41, the stirring main rods 43 drive the plurality of stirring support rods 44 to mix materials in the lower cavity uniformly when rotating, and meanwhile, the separation outer plate 23 is driven to synchronously rotate when the stirring main rods 43 rotate, and materials in the upper cavity are mixed uniformly when the separation outer plate 23 rotates;

S3, the hollow screw 31 rotates to drive the lifting sleeve plate 61 guided by the second guide rod 62 to synchronously lift, the lifting sleeve plate 61 drives the limiting block 64 to lift on the inner side of the limiting sleeve 65 through the lifting rod 63 when lifted, when the lifting sleeve plate 61 lifts to reach a first threshold value, the limiting block 64 moves to the top of the inner side of the limiting sleeve 65, meanwhile, the material inside the upper chamber and the material inside the lower chamber are uniformly mixed, a mixture B is prepared in the upper chamber, and a mixture A is prepared in the lower chamber;

s4, when the lifting sleeve plate 61 rises to reach a second threshold value, the lifting sleeve plate 61 starts to push the sealing sleeve 72 to rise, the sealing sleeve 72 releases the blocking of the air hole 71 along with the continuous rising of the sealing sleeve 72, and at the moment, the air flow input into the hollow screw 31 by the air inlet pipe 34 enters the upper cavity through the air hole 71, so that the upper cavity is pressurized;

S5, along with the continuous rotation of the hollow screw 31, the lifting sleeve plate 61 drives the upper sealing plate 24 to lift up through the lifting rod 63, the limiting block 64 and the limiting sleeve 65, the blocking of the liquid channel 22 is released when the upper sealing plate 24 lifts up, at the moment, the mixture B in the upper chamber passes through the liquid channel 22 and falls into the top of the lower sealing plate 28, then flows into the lower chamber through a gap between the second annular outer plate 53 and the annular sealing plate 55 to be mixed with the mixture A, and in the process, the rotating disc 41 drives the stirring main rod 43 to uniformly mix the mixture A and the mixture B through the stirring supporting rods 44;

S6, in the rising process of the upper sealing plate 24, the upper sealing plate 24 drives the lower sealing plate 28 to synchronously rise through the first guide rod 25, the lower sealing plate 28 drives the threaded sleeve 52 to rise through the first annular outer plate 51, the annular sealing plate 55 is driven to rise through the second annular outer plate 53 and the connecting rod 54, the threaded sleeve 52 drives the stirring main rod 43 to rotate when rising, the stirring main rod 43 rotates while revolving with the hollow screw 31 as an axis, stirring strength is improved, and the annular sealing plate 55 gradually seals a feed hopper of the lower cavity when rising;

S7, when the rising distance of the lifting sleeve plate 61 reaches a third threshold value, the lower sealing plate 28 is pushed by the first guide rod 25, the end block 26 and the first spring 27 to block the liquid channel 22 from below, at the moment, all the mixture B in the upper chamber is input into the lower chamber, meanwhile, the annular sealing plate 55 also completes the blocking of the feeding hopper of the lower chamber, the lifting sleeve plate 61 continues to rise along with the continuing rotation of the hollow screw 31, at the moment, the lower sealing plate 28 cannot continue to rise due to the blocking of the separation inner plate 21, so the lower sealing plate 28 is kept still, and the first spring 27 is compressed;

S8, when the rising distance of the lifting sleeve plate 61 reaches a fourth threshold value, the lifting sleeve plate 61 rises to the outer side of the air hole 71, and then the air hole 71 is blocked, so that the air hole 71 cannot continuously input air flow into the upper chamber, at the moment, the mixture A and the mixture B are uniformly mixed to prepare a mixture C, and meanwhile, the lower chamber is in a closed state, and at the moment, a self-contained adding component in the lower chamber is started, so that the mixture C is heated;

And S9, discharging the mixture after heating, performing spray drying treatment to obtain water reducer particles, and finally grinding the water reducer particles into powder to obtain the solid concrete water reducer.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (8)

1. A preparation method of a concrete water reducer is characterized by comprising the following steps: the preparation method of the concrete water reducer is realized through concrete water reducer preparation equipment, the concrete water reducer preparation equipment comprises a reaction kettle (1), a separation mechanism (2) is arranged in the middle of an inner cavity of the reaction kettle (1), the inner cavity of the reaction kettle (1) is separated into an upper cavity and a lower cavity by the separation mechanism (2), a pressurizing driving mechanism (3) is jointly arranged in the reaction kettle (1) and at the bottom of the reaction kettle (1), a mixing discharging mechanism (4), a sealing mechanism (5), a lifting traction mechanism (6) and a triggering type air inlet mechanism (7) are sequentially arranged outside the pressurizing driving mechanism (3) from bottom to top, and the mixing discharging mechanism (4) and the lifting traction mechanism (6) are in transmission connection with the pressurizing driving mechanism (3);

The separation mechanism (2) comprises a separation inner plate (21), a liquid channel (22), a separation outer plate (23), an upper sealing plate (24), a first guide rod (25), an end block (26), a first spring (27) and a lower sealing plate (28);

The inner separation plate (21) is positioned inside the reaction kettle (1), the liquid channel (22) is penetrated and arranged at the bottom of the inner separation plate (21) and extends to the top of the inner separation plate (21), the outer separation plate (23) is rotatably sleeved on the outer side of the inner separation plate (21) through a bearing and is rotatably connected with the inner wall of the reaction kettle (1) through a bearing, the upper sealing plate (24) is attached to the top of the inner separation plate (21) and seals the liquid channel (22), the first guiding rods (25), the end blocks (26) and the first springs (27) are both arranged at two positions, the two first guiding rods (25) are fixedly arranged at the two sides of the bottom of the upper sealing plate (24) respectively, and are both fixedly arranged at the bottom of the two first guiding rods (25) respectively in a sliding sleeved mode, and the two first springs (27) are both sleeved on the outer sides of the two first guiding rods (25) in a sliding mode;

the supercharging driving mechanism (3) comprises a hollow screw rod (31), a driving motor (32), a driving gear (33) and an air inlet pipe (34);

the hollow screw (31) penetrates through the bottom of the reaction kettle (1) and extends to the inside of the reaction kettle (1), the hollow screw is rotationally connected with the reaction kettle (1) through a bearing, the driving motor (32) is fixedly arranged on the right side of the bottom of the reaction kettle (1), two driving gears (33) are arranged, the hollow screw (31) is in transmission connection with the driving motor (32) through the two driving gears (33), and the air inlet pipe (34) is rotationally connected to the bottom end of the hollow screw (31) through a rotary joint;

The mixing and discharging mechanism (4) comprises a rotating disc (41), an arc-shaped push plate (42), a stirring main rod (43) and a stirring support rod (44);

The utility model discloses a stirring main rod (43) is fixed, including hollow screw (31) and hollow screw (31) are fixed, rotary disk (41) are fixed cup joint in the hollow screw (31) outside, and rotate and set up in reation kettle (1) inner chamber bottom, arc push pedal (42) are provided with a plurality of, a plurality of arc push pedal (42) evenly fix and set up in rotary disk (41) outside, stirring main rod (43) are provided with two, stirring branch (44) are provided with a plurality of, two arc push pedal (42) are fixed respectively and are set up in rotary disk (41) top both sides, a plurality of stirring branch (44) evenly fix respectively and set up in stirring main rod (43) both sides, stirring main rod (43) run through and separate planking (23) and rotate with separating planking (23) and be connected.

2. The method for preparing the concrete water reducer, according to claim 1, is characterized in that: the closing mechanism (5) comprises a first annular outer plate (51), a threaded sleeve (52), a second annular outer plate (53), a connecting rod (54), an annular closing plate (55) and a guide rail (56).

3. The method for preparing the concrete water reducer according to claim 2, which is characterized in that: the utility model provides a reaction kettle, including first annular planking (51), screw sleeve (52) are provided with two in the lower seal board (28) outside through the bearing rotation cup joint, two screw sleeve (52) are fixed the nest respectively and are set up in first annular planking (51) top both sides, two screw sleeve (52) cup joint respectively and set up in two stirring mobile jib (43) outsides, and with two stirring mobile jib (43) threaded connection respectively, second annular planking (53) are rotated through the bearing and are set up in first annular planking (51) outside, connecting rod (54) are provided with a plurality of connecting rods (54) evenly fixed the setting in second annular planking (53) outside, annular closing plate (55) are fixed to be set up in a plurality of connecting rods (54) outsides, and with reation kettle (1) inner wall sliding connection, guide rail (56) are provided with two, two guide rail (56) are respectively slide the nest and are set up in annular closing plate (55) both sides, and all with reation kettle (1) inner wall fixed connection.

4. A method for preparing a concrete water reducing agent according to claim 3, wherein: the lifting traction mechanism (6) comprises a lifting sleeve plate (61), a second guide rod (62), a lifting rod (63), a limiting block (64) and a limiting sleeve (65).

5. The method for preparing the concrete water reducer, which is characterized by comprising the following steps of: the lifting sleeve plate (61) is sleeved outside the hollow screw rod (31) and is in threaded connection with the hollow screw rod (31), the second guide rods (62), the lifting rods (63), the limiting blocks (64) and the limiting sleeves (65) are all arranged in two, the second guide rods (62) are fixedly arranged on two sides of the top of the lifting sleeve plate (61) respectively, the lifting rods (63) are fixedly arranged on two sides of the bottom of the lifting sleeve plate (61) respectively, the limiting blocks (64) are fixedly arranged at the bottoms of the two lifting rods (63) respectively, and the limiting sleeves (65) are slidably sleeved outside the two limiting blocks (64) respectively and are fixedly connected with the upper sealing plate (24).

6. The method for preparing the concrete water reducer, which is characterized by comprising the following steps of: the trigger type air inlet mechanism (7) comprises an air hole (71), a sealing sleeve (72), an avoidance groove (73) and a second spring (74).

7. The method for preparing the concrete water reducer, which is characterized by comprising the following steps of: the gas hole (71) is formed in the top of the front surface of the hollow screw (31), the sealing sleeve (72) is sleeved on the outer side of the gas hole (71) in a sliding mode, the avoidance groove (73) is formed in the front surface of the sealing sleeve (72), the second spring (74) is sleeved on the top of the outer side of the hollow screw (31), one end of the second spring (74) is fixedly connected with the sealing sleeve (72) and the other end of the second spring is fixedly connected with the inner wall of the reaction kettle (1).

8. The preparation method of the concrete water reducer according to claim 7 is characterized by comprising the following steps:

S1, adding calcium chloride, calcium sulfate, calcium hydroxide, sodium sulfate, potassium sulfate, phosphorus pentoxide and sodium nitrate powder into a lower chamber, adding anhydrous acetic acid, ethanol, hydrogen peroxide and deionized water into an upper chamber, and starting a driving motor (32);

S2, after a driving motor (32) is started, a driving gear (33) drives a hollow screw (31) to rotate, the hollow screw (31) drives two stirring main rods (43) to rotate through a rotating disc (41), a plurality of stirring support rods (44) are driven to mix materials in a lower cavity when the stirring main rods (43) rotate, meanwhile, a separation outer plate (23) is driven to synchronously rotate when the stirring main rods (43) rotate, and materials in an upper cavity are mixed when the separation outer plate (23) rotates;

S3, the hollow screw rod (31) rotates to drive the lifting sleeve plate (61) guided by the second guide rod (62) to synchronously lift, the lifting sleeve plate (61) drives the limiting block (64) to lift on the inner side of the limiting sleeve (65) through the lifting rod (63) when lifted, when the lifting sleeve plate (61) lifts to reach a first threshold value, the limiting block (64) moves to the top of the inner side of the limiting sleeve (65), meanwhile, the mixing of materials in the upper chamber and the lower chamber is completed, a mixture B is prepared in the upper chamber, and a mixture A is prepared in the lower chamber;

s4, when the lifting sleeve plate (61) rises to reach a second threshold value, the lifting sleeve plate (61) starts to push the sealing sleeve (72) to rise, the sealing sleeve (72) releases the sealing of the air hole (71) along with the continuous rising of the sealing sleeve (72), and at the moment, air flow input into the hollow screw (31) by the air inlet pipe (34) enters the upper cavity through the air hole (71), so that the upper cavity is pressurized;

S5, along with the continuous rotation of the hollow screw rod (31), the lifting sleeve plate (61) drives the upper sealing plate (24) to ascend through the lifting rod (63), the limiting block (64) and the limiting sleeve (65), the blocking of the liquid channel (22) is removed when the upper sealing plate (24) ascends, at the moment, the mixture B in the upper cavity passes through the liquid channel (22) and falls into the top of the lower sealing plate (28), then flows into the lower cavity through a gap between the second annular outer plate (53) and the annular sealing plate (55) to be mixed with the mixture A, and in the process, the rotating disc (41) drives the stirring main rod (43) to mix the mixture A and the mixture B uniformly through the stirring support rods (44);

s6, in the rising process of the upper sealing plate (24), the upper sealing plate (24) drives the lower sealing plate (28) to synchronously rise through a first guide rod (25), the lower sealing plate (28) drives the threaded sleeve (52) to rise through a first annular outer plate (51), the annular sealing plate (55) is driven to rise through a second annular outer plate (53) and a connecting rod (54), the threaded sleeve (52) drives the stirring main rod (43) to rotate when rising, the stirring main rod (43) rotates while revolving by taking the hollow screw rod (31) as an axis, stirring strength is improved, and the annular sealing plate (55) gradually seals a feed hopper of a lower cavity when rising;

S7, when the rising distance of the lifting sleeve plate (61) reaches a third threshold value, the lower sealing plate (28) is pushed by the first guide rod (25), the end block (26) and the first spring (27) to block the liquid channel (22) from below, at the moment, all the mixture B in the upper chamber is input into the lower chamber, meanwhile, the annular sealing plate (55) also completes the blocking of the feeding hopper of the lower chamber, the lifting sleeve plate (61) continues to rise along with the continuing rotation of the hollow screw (31), at the moment, the lower sealing plate (28) cannot continue to rise due to the blocking of the separation inner plate (21), the lower sealing plate (28) is kept still, and the first spring (27) is compressed;

S8, when the rising distance of the lifting sleeve plate (61) reaches a fourth threshold value, the lifting sleeve plate (61) rises to the outer side of the air hole (71), and then the air hole (71) is blocked, so that the air hole (71) cannot continuously input air flow into the upper cavity, at the moment, the mixture A and the mixture B are uniformly mixed to prepare a mixture C, and meanwhile, the lower cavity is in a closed state, and at the moment, a self-contained adding component in the lower cavity is started, so that the mixture C is heated;

And S9, discharging the mixture after heating, performing spray drying treatment to obtain water reducer particles, and finally grinding the water reducer particles into powder to obtain the solid concrete water reducer.