CN115957685B - Water reducer mother liquor manufacturing equipment and preparation process - Google Patents
Water reducer mother liquor manufacturing equipment and preparation process Download PDFInfo
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- CN115957685B CN115957685B CN202211540404.0A CN202211540404A CN115957685B CN 115957685 B CN115957685 B CN 115957685B CN 202211540404 A CN202211540404 A CN 202211540404A CN 115957685 B CN115957685 B CN 115957685B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 94
- 239000012452 mother liquor Substances 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 43
- 239000010413 mother solution Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000001276 controlling effect Effects 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 37
- 238000000926 separation method Methods 0.000 claims description 35
- 229920000728 polyester Polymers 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 19
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 229920000570 polyether Polymers 0.000 claims description 18
- 238000010790 dilution Methods 0.000 claims description 16
- 239000012895 dilution Substances 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- -1 ether compound Chemical class 0.000 claims description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 239000011550 stock solution Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000007865 diluting Methods 0.000 abstract 2
- 239000000178 monomer Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The application discloses water reducer mother liquor manufacturing equipment and a preparation process in the technical field of water reducer mother liquor preparation, and aims to solve the problem that in the prior art, the manual mixing process is complex in the preparation process of the compound water reducer mother liquor. The mixed liquor proportioning device comprises two groups of raw material boxes, two mixed liquor proportioning devices, a mixing kettle, two speed regulating motors, two regulating and controlling devices and a controller, wherein each group of raw material boxes comprises a mother liquor box and a diluting box, each mixed liquor proportioning device comprises proportioning pipes, each proportioning pipe is provided with a first feeding pipe and a second feeding pipe which are communicated with each other to the corresponding mother liquor box and the corresponding diluting box, each proportioning pipe is provided with a discharging pipe which is communicated with each mixing kettle, and each proportioning pipe is used for regulating the flow ratio of the mixed liquor. The method is used for simplifying the preparation work of the mother solution of the compound water reducer, can realize continuous production without repeated measurement and mixing, can effectively avoid the traditional operation steps of mixing impurities in a container, and is beneficial to improving the preparation efficiency.
Description
Technical Field
The application relates to water reducer mother liquor manufacturing equipment and a preparation process, and belongs to the technical field of water reducer mother liquor production equipment.
Background
The water reducing agent is a concrete admixture capable of reducing the mixing water consumption under the condition of maintaining the slump of the concrete basically unchanged. Most of the anionic surfactants include lignosulfonate and naphthalene sulfonate formaldehyde polymers. After the concrete mixture is added, the cement particles are dispersed, and the concrete mixture has the effects of improving the workability, reducing the unit water consumption and improving the fluidity of the concrete mixture.
Engineering practice shows that the water reducer of a single variety is difficult to meet the construction requirements of high performance and multifunction. The application performance of the water reducer has advantages and disadvantages due to the difference of the compositions of the water reducers of different types or varieties. Researches show that when the compound mass ratio of the polyester type carboxylic acid water reducer mother liquor to the polyether type carboxylic acid water reducer mother liquor is 3:2, the polyester type carboxylic acid water reducer has good compatibility for different cements, can delay the hydration of water in 1d, and has good application prospect.
When preparing the mother solution of the compound water reducer, the process equipment needs to consider the actual deviation of mass density and solid content of the mother solution of the polyester carboxylic acid water reducer and the mother solution of the polyether carboxylic acid water reducer after the preparation is finished, so that the compound water reducer mother solution is finally obtained by repeatedly measuring the proportion.
Disclosure of Invention
The application aims to overcome the defects in the prior art, provides a water reducer mother liquor manufacturing device and a preparation process, is used for simplifying the preparation work of a compound water reducer mother liquor, can realize continuous production without repeated measurement and mixing, can effectively avoid the traditional operation steps of mixing and mixing in a container, and is beneficial to improving the preparation efficiency.
In order to achieve the above purpose, the application is realized by adopting the following technical scheme:
on the one hand, the device comprises two groups of raw material boxes, two mixed liquid proportioners, a mixing kettle, two speed regulating motors, two regulating and controlling devices and a controller;
each group of raw material boxes comprises a mother liquor box and a dilution box, the mixed liquor proportioner comprises proportioning pipes, a first feeding pipe and a second feeding pipe which are communicated with the corresponding mother liquor boxes and the dilution boxes are communicated with each other on the two proportioning pipes, and discharging pipes which are communicated with the mixing kettles are communicated with each other on the two proportioning pipes;
the two proportioning pipes are internally provided with a baffle plate for dividing the interior of the proportioning pipe into a first proportioning cavity and a second proportioning cavity, the first feeding pipe is communicated with the first proportioning cavity, the second feeding pipe is communicated with the second proportioning cavity, the discharging pipe is simultaneously communicated with the first proportioning cavity and the second proportioning cavity, the interiors of the first proportioning cavity and the second proportioning cavity are both rotatably provided with conveying rotary vanes for conveying upper-layer raw liquid into the lower-layer discharging pipe, and the two speed regulating motors are respectively used for driving the conveying rotary vanes in the two proportioning pipes to execute rotary conveying actions;
the volume ratio of the first proportioning cavity and the second proportioning cavity is adjustable under the action of a regulating device, and the regulating device and the two speed regulating motors are electrically connected with a controller.
Specifically, a quantitative separation block and a sliding separation block which is in sliding fit with the quantitative separation block are respectively arranged in the proportioning pipe;
the quantitative separation block comprises a separation disc attached to the inner diameter of the pipe body of the proportioning pipe, a first rotating vane and a second rotating vane which are distributed at equal intervals in a circumferential array are respectively arranged on two sides of the separation disc, the inner wall of the proportioning pipe is proportioned by the first rotating She Tiege until the inner wall extends to the bottom of the proportioning pipe, and a slot-type structure of the second rotating She Cheng quantitatively protrudes along the inner wall of the proportioning pipe;
the sliding separation block comprises a sealing disc closely matched with the inner wall of the proportioning pipe, a plurality of adjusting blades which are inserted in the second rotor She Chacao in a sliding manner are arranged on the sealing disc, closed cavities formed between all adjacent blades of the same type are in complementary interference, and the speed regulating motor acts on the sealing disc to drive all the blades to rotate.
Specifically, still include the motor fixed block that is used for fixed speed governing motor, regulation and control device includes installing support and servo motor, be provided with the slide bar that runs through motor fixed block and the lead screw with motor fixed block threaded connection on the installing support respectively, servo motor installs and is used for controlling the lead screw and rotates on the installing support.
Specifically, the speed regulating motor is a hollow motor, the motor fixing block is formed by clamping two clamping blocks provided with circular arc grooves, and the two circular arc grooves are used for forming a placing cavity of the speed regulating motor.
Specifically, one side of mother liquor case is provided with detects the drain pipe, the liquid outlet position department that detects the drain pipe is provided with solid content detector and density detector, solid content detector and density detector all with controller electric connection.
Specifically, the mixing kettle further comprises a heightening platform, wherein the heightening platform is used for lifting the bottom of the raw material box to the top of the mixing kettle.
Specifically, the initial volume ratio of the first proportioning cavity to the second proportioning cavity is 1:4.5, and the sliding separation block positioned under the volume ratio is positioned at the middle adjusting position.
In another aspect, the process comprises the following steps:
placing a polyester type carboxylic acid water reducer mother solution, a polyether type carboxylic acid water reducer mother solution and corresponding diluted solution into a raw material box;
respectively measuring the density and the solid content of the polyester type carboxylic acid water reducer mother liquor and the polyether type carboxylic acid water reducer mother liquor;
adjusting the volume ratio of the first proportioning cavity and the second proportioning cavity in the proportioning pipe according to the solid content, and recalculating the density of the diluted mother solution according to the readjusted volume ratio;
after the dilution density of the polyester type carboxylic acid water reducer mother solution and the polyether type carboxylic acid water reducer mother solution is obtained, calculating the rotation speed ratio of the two speed regulating motors according to the actual discharge amount of the two discharge pipes in unit time;
and after the rotation speed ratio is obtained, all working valves are opened, and equipment is started according to the rotation speed ratio, so that the polycarboxylate ether compound water reducing agent mother solution is obtained.
Specifically, when the rotation speed ratio is measured and calculated, the mass ratio of the polyester carboxylic acid water reducer mother solution to the polyether carboxylic acid water reducer mother solution is 3:2.
Compared with the prior art, the application has the beneficial effects that:
1. according to the application, the polyester type carboxylic acid water reducer mother liquor and the polyether type carboxylic acid water reducer mother liquor are subjected to split flow dilution by utilizing the proportioning pipe, and the two speed regulating motors are output according to the dilution result at a certain rotation speed ratio, so that the compound water reducer mother liquor with the mass ratio of the polyester type carboxylic acid water reducer mother liquor to the polyether type carboxylic acid water reducer mother liquor being a rated value can be directly prepared by the device, the mixing is performed without manually repeatedly measuring and calculating the consumption, the construction efficiency is satisfied without large-scale mixing equipment, the process continuity is good, and the automatic production of the compound water reducer mother liquor is facilitated.
2. The application provides a reliable solution means for adjusting the volume ratio of the conveying liquid by providing a detailed structure in the proportioning pipe, has small single-pass mixing metering, and can be applied to various complex solution mixing scenes.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a water reducer mother liquor manufacturing device provided by the embodiment of the application;
fig. 2 is a front view of a water reducer mother liquor manufacturing device provided by an embodiment of the application;
FIG. 3 is a cross-sectional view in the direction A-A of a water reducing agent mother liquor manufacturing device provided by the embodiment of FIG. 2;
FIG. 4 is a schematic diagram of a structure of a mixed powder in a proportioning pipe according to an embodiment of the present application;
reference numerals: 1. a mother liquor tank; 2. a dilution tank; 3. proportioning pipes; 4. a first feed tube; 5. a second feed tube; 6. a discharge pipe; 7. a solid content detector; 8. a mixing kettle; 9. a speed regulating motor; 10. detecting a liquid outlet pipe; 11. a mounting bracket; 12. a motor fixing block; 13. a slide bar; 14. a screw rod; 15. a servo motor; 16. a controller; 17. a quantitative separation block; 1701. a separation plate; 1702. a first rotary vane; 1703. a second rotating blade; 18. a sliding separation block; 1801. a sealing plate; 1802. regulating the leaves; 19. raising the platform.
Detailed Description
The application is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and are not intended to limit the scope of the present application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
Embodiment one:
the water reducer mother liquor manufacturing equipment provided by the embodiment of the application is used for simplifying the preparation work of the compound water reducer mother liquor, can realize continuous production without repeated measurement and mixing, can effectively avoid the traditional operation steps of mixing impurities in a container, is beneficial to improving the preparation efficiency, and is beneficial to realizing the structural function of the equipment, wherein the setting device shown in fig. 1 comprises two groups of raw material boxes, two mixed liquor proportioners, a mixing kettle 8, two speed regulating motors 9, two regulating devices and a controller 16; specifically, in order to realize the holding of the stock solution water reducer mother liquor (mainly polyester type carboxylic acid water reducer mother liquor and polyether type carboxylic acid water reducer mother liquor) and the solution to be diluted, each group of stock tanks is provided with a mother liquor tank 1 and a dilution tank 2, a mixed liquor proportioner is provided with a proportioning pipe 3, a first feed pipe 4 and a second feed pipe 5 which are communicated with the corresponding mother liquor tank 1 and dilution tank 2 are communicated with each other on the two proportioning pipes 3, at this time, the first feed pipe 4 and the second feed pipe 5 are used for introducing the solution in the mother liquor tank 1 and the dilution tank 2, and conveying the obtained solution to a discharge pipe 6 arranged below the proportioning pipe 3, and the two discharge pipes 6 are used for distributing the solution obtained from the proportioning pipe 3 into a mixing kettle 8 according to the proportion of the proportioning pipe 3; in order to ensure accurate transportation of the monomer water reducer mother liquor and the diluted solution, a partition plate is arranged in each of the two proportioning pipes 3 for dividing the interior of the proportioning pipe 3 into a first proportioning cavity and a second proportioning cavity, a first feeding pipe 4 is arranged at the moment and communicated with the first proportioning cavity, a second feeding pipe 5 is arranged and communicated with the second proportioning cavity, a discharging pipe 6 is arranged and communicated with the first proportioning cavity and the second proportioning cavity at the same time, and finally, through the transportation rotary vanes which are respectively arranged in the first proportioning cavity and the second proportioning cavity and used for transporting the upper-layer raw liquor into the lower-layer discharging pipe 6 in a rotating way, two speed regulating motors 9 are respectively used for driving the transportation rotary vanes in the two proportioning pipes 3 to execute rotation transportation actions, and the fact that orderly sealing structures are formed between the transportation rotary vanes and the proportioning pipes 3 is needed to avoid flow disturbance of the upper-layer liquid after the upper-layer liquid flows into the discharging pipe 6, so as to cause proportioning failure; the ratio of the solid content needs to be modulated when the pre-prepared monomer water reducer mother solution is prepared, so that the dosage of the diluted solution needs to be regulated in real time or accurately in the actual preparation process, the volume ratio of the first proportioning cavity and the second proportioning cavity is regulated by a regulating device, and the regulation means are numerous.
The water reducer mother liquor manufacturing equipment provided by the embodiment of the application particularly provides a diversion structure in a proportioning pipe 3, which can effectively ensure quantitative and stable flow of monomer water reducer mother liquor and diluted solution in the proportioning pipe 3, and particularly, a quantitative separation block 17 and a sliding separation block 18 which is in sliding fit with the quantitative separation block 17 are respectively arranged in the proportioning pipe 3, wherein the quantitative separation block 17 is used for controlling directional flow of a certain single liquid, and the sliding separation block 18 is used for regulating and controlling flow ratio of another corresponding liquid; specifically, referring to fig. 4, the quantitative separation block 17 includes a separation disc 1701 attached to the inner diameter of the pipe body of the proportioning pipe 3, first rotary vanes 1702 and second rotary vanes 1703 distributed at equal intervals in a circumferential array are respectively installed on two sides of the separation disc 1701, the first rotary vanes 1702 are attached to the inner wall of the proportioning pipe 3 until the first rotary vanes extend to the bottom of the proportioning pipe 3, the second rotary vanes 1703 protrude quantitatively along the inner wall of the proportioning pipe 3 in a slot structure, at this time, the separation disc 1701 is used for dividing the inner part of the proportioning pipe 3 into a first proportioning cavity and a second proportioning cavity, referring to fig. 3, the first proportioning cavity is used for containing monomer mother liquor at this time, and the second proportioning cavity is used for containing dilution solution; in order to facilitate the adjustment of the flow or volume of the second proportioning cavity (the actual function is to adjust the volume ratio or flow ratio with the second proportioning cavity), the sliding separation block 18 is provided herein to include a sealing disc 1801 tightly matching with the inner wall of the proportioning tube 3, specifically, referring to fig. 4, as shown in the matching structure, a plurality of adjusting blades 1802 inserted in the slots of the second rotating blades 1703 in a sliding manner are installed on the sealing disc 1801, so that when the adjusting blades 1802 are inserted in a sliding manner, the sealing disc 1801, the adjusting blades 1802, the second rotating blades 1703 and the separation disc 1701 together form a closed space of the second proportioning cavity, if the sealing disc 1801, the adjusting blades 1802, the second rotating blades 1703 and the separation disc 1701 are provided as a hollow structure as shown in fig. 4, a blocking shaft can be provided at the bottom of the proportioning tube 3 for realizing complete sealing, the assembly structure should meet the requirement that the closed hollow cavity formed between all adjacent two blades of the same type is complementarily interfered, the speed-adjusting motor 9 acts on the sealing disc 1801 to drive all the blades to rotate, and when the speed-adjusting motor 9 rotates, the cavity formed between the adjacent two rotating blades is used for transferring the upper layer solution to the lower layer and outputting the solution to the volume of the discharging tube 6 through the gravity effect, when the sliding separation block 18 needs to be adjusted and controlled.
In order to specifically realize the change of the volume ratio, the water reducer mother liquor manufacturing equipment provided by the embodiment of the application is provided with the equipment comprising the motor fixing block 12 for fixing the speed regulating motor 9, the adjusting and controlling device comprises the mounting bracket 11 and the servo motor 15, the mounting bracket 11 is respectively provided with the sliding rod 13 which penetrates through the motor fixing block 12 in a sliding way and the screw rod 14 which is in threaded connection with the motor fixing block 12, the servo motor 15 is arranged on the mounting bracket 11 and is used for controlling the screw rod 14 to rotate, as shown in fig. 1, when the servo motor 15 drives the screw rod 14 to rotate, the motor fixing block 12 moves along the sliding direction provided by the sliding rod 13, and at the moment, the speed regulating motor 9 drives the sliding separation block 18 to integrally deviate by cooperating with a transmission shaft of the speed regulating motor, and the volume ratio (actual flow ratio) is adjusted.
In order to facilitate the fixation and driving of the speed-adjusting motor 9, the speed-adjusting motor 9 is provided with the water-reducing agent mother liquor manufacturing equipment provided by the embodiment of the application, and the speed-adjusting motor 9 can be provided with the motor fixing block 12 shown in fig. 1 and is formed by clamping two clamping blocks provided with circular arc grooves, and the two circular arc grooves are used for forming a placing cavity of the speed-adjusting motor 9, so that the whole volume of the speed-adjusting motor 9 is small and is fixed under the clamping effect, and the good transmission performance of the speed-adjusting motor can be effectively ensured.
In order to measure the density and the solid content of the monomer water reducer mother liquor in the mother liquor box conveniently, the device for manufacturing the water reducer mother liquor provided by the embodiment of the application is provided with the detection liquid outlet pipe 10 at one side of the mother liquor box 1, and is provided with the solid content detector 7 and the density detector (only the solid content detector 7 is shown in fig. 1) at the liquid outlet position of the detection liquid outlet pipe 10, and the solid content detector 7 and the density detector are electrically connected with the controller 16, so that the two-component monomer water reducer mother liquor can be conveniently analyzed before the compound water reducer mother liquor is configured, and the volume ratio in the proportioning pipe 3 and the rotation speed ratio of the two speed adjusting motors 9 are determined according to the properties of the monomer water reducer mother liquor.
When liquid is introduced into the mixing kettle 8 through the way of the discharging pipe 6, if the height of the liquid outlet of the raw material box is low, a corresponding pump is needed to provide power for liquid, at the moment, negative pressure acts on the discharging pipe 6 to influence the normal transmission of a mechanism in the proportioning pipe 3, so that the resistance of the speed regulating motor 9 is increased, the speed regulating motor 9 is influenced uncontrollably, the speed regulating motor 9 is easy to deviate in speed ratio, and the device further comprises a heightening platform 19 for raising the bottom of the raw material box to the top of the mixing kettle 8, so that the raw material is completely influenced by gravity to naturally flow downwards, the device cost can be reduced, and the accurate regulation of the speed regulating motor 9 speed ratio can be ensured.
According to the equipment for manufacturing the water reducer mother liquor, the solid content of the polyester carboxylic acid water reducer mother liquor and the polyether carboxylic acid water reducer mother liquor prepared according to the fixed method flow is generally 40% -50%, so that the initial volume ratio of a first proportioning cavity to a second proportioning cavity can be set to be 1:4.5, the sliding separation block 18 positioned under the volume ratio is arranged at the middle adjusting position, and the sliding separation block 18 positioned at the middle stroke can realize simple adjustment and control of the volume ratio only by moving a small distance.
Embodiment two:
the preparation process of the water reducer mother liquor provided by the embodiment of the application realizes the preparation of the compound water reducer mother liquor through the process equipment provided by the first embodiment, and the setting process flow specifically comprises the following steps:
placing a polyester type carboxylic acid water reducer mother solution, a polyether type carboxylic acid water reducer mother solution and corresponding diluted solution into a raw material box;
respectively measuring the density and the solid content of the polyester type carboxylic acid water reducer mother liquor and the polyether type carboxylic acid water reducer mother liquor;
the volume ratio of the first proportioning cavity and the second proportioning cavity in the proportioning pipe 3 is adjusted according to the solid content, and the density of the diluted water reducer mother liquor is recalculated according to the readjusted volume ratio;
after the dilution density of the polyester type carboxylic acid water reducer mother solution and the polyether type carboxylic acid water reducer mother solution is obtained, the rotation speed ratio of the two speed regulating motors 9 is calculated according to the actual discharge amount of the two discharge pipes 6 in unit time;
and after the rotation speed ratio is obtained, all working valves are opened, and equipment is started according to the rotation speed ratio, so that the polycarboxylate ether compound water reducing agent mother solution is obtained.
According to the mode, the monomer water reducer mother liquor is diluted by adjusting the volume ratio in the proportioning pipe 3, the preferable dilution result is that the solid content in the original monomer water reducer mother liquor is adjusted to 10%, the two types of monomer water reducer mother liquor are prepared in the same mode, the control unit analyzes the mass of the added dilution solution after receiving the adjustment amount of the volume ratio, the rotation speed ratio of the speed regulating motor 9 is adjusted according to the set mass ratio, the proportioning flow of the monomer water reducer mother liquor is adjusted by adjusting the rotation speeds of different speed regulating motors 9, the one-time mixing of the compound water reducer mother liquor is realized, the process continuity of the device can be effectively improved, and the automatic production of the compound water reducer mother liquor is facilitated.
According to the preparation process of the water reducer mother liquor, when the rotation speed ratio is measured and calculated, the mass ratio of the polyester carboxylic acid water reducer mother liquor to the polyether carboxylic acid water reducer mother liquor is 3:2, and the polycarboxylic acid ester ether type compound water reducer mother liquor prepared by the method has good hydration resistance and good compatibility for different types of cement.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present application, and such modifications and variations should also be regarded as being within the scope of the application.
Claims (7)
1. The water reducer mother liquor manufacturing equipment is characterized by comprising two groups of raw material boxes, two mixed liquor proportioners, a mixing kettle (8), two speed regulating motors (9), two regulating devices and a controller (16);
each group of raw material boxes comprises a mother liquor box (1) and a dilution box (2), each mixed liquor proportioner comprises proportioning pipes (3), a first feed pipe (4) and a second feed pipe (5) which are communicated with the corresponding mother liquor boxes (1) and the corresponding dilution boxes (2) are communicated with each other on the two proportioning pipes (3), and a discharge pipe (6) which is communicated with a mixing kettle (8) is communicated with the two proportioning pipes (3);
the two proportioning pipes (3) are internally provided with a partition board for dividing the interior of the proportioning pipe (3) into a first proportioning cavity and a second proportioning cavity, the first feeding pipe (4) is communicated with the first proportioning cavity, the second feeding pipe (5) is communicated with the second proportioning cavity, the discharging pipe (6) is simultaneously communicated with the first proportioning cavity and the second proportioning cavity, the interiors of the first proportioning cavity and the second proportioning cavity are rotationally provided with conveying rotary vanes for conveying an upper-layer stock solution into the lower-layer discharging pipe (6), and the two speed regulating motors (9) are respectively used for driving the conveying rotary vanes in the two proportioning pipes (3) to execute rotary conveying actions;
the volume ratio of the first proportioning cavity and the second proportioning cavity is adjustable under the action of a regulating device, and the regulating device and the two speed regulating motors (9) are electrically connected with a controller (16);
a quantitative separation block (17) and a sliding separation block (18) which is in sliding fit with the quantitative separation block (17) are respectively arranged in the proportioning pipe (3);
the quantitative separation block (17) comprises a separation disc (1701) attached to the inner diameter of the tube body of the proportioning tube (3), first rotating blades (1702) and second rotating blades (1703) which are distributed at equal intervals in a circumferential array are respectively arranged on two sides of the separation disc (1701), the first rotating blades (1702) are attached to the inner wall of the proportioning tube (3) until the first rotating blades extend to the bottom of the proportioning tube (3), and the second rotating blades (1703) are in a slot-type structure and quantitatively protrude along the inner wall of the proportioning tube (3);
the sliding separation block (18) comprises a sealing disc (1801) closely contacted with the inner wall of the proportioning pipe (3), a plurality of adjusting blades (1802) which are inserted into slots of the second rotating blades (1703) in a sliding manner are arranged on the sealing disc (1801), closed cavities formed between two adjacent blades of all the same type are not interfered with each other, and the speed regulating motor (9) acts on the sealing disc (1801) to drive all the blades to rotate;
still including motor fixed block (12) that are used for fixed speed governing motor (9), regulation and control device includes installing support (11) and servo motor (15), be provided with slide bar (13) that slide run through motor fixed block (12) and lead screw (14) with motor fixed block (12) threaded connection on installing support (11) respectively, servo motor (15) are installed on installing support (11) and are used for controlling lead screw (14) and rotate.
2. The water reducer mother liquor manufacturing equipment according to claim 1, wherein the speed regulating motor (9) is a hollow motor, the motor fixing block (12) is formed by clamping two clamping blocks provided with circular arc grooves, and the two circular arc grooves are used for forming a placing cavity of the speed regulating motor (9).
3. The water reducer mother liquor manufacturing device according to claim 1, wherein a detection liquid outlet pipe (10) is arranged on one side of the mother liquor box (1), a solid content detector (7) and a density detector are arranged at the liquid outlet position of the detection liquid outlet pipe (10), and the solid content detector (7) and the density detector are electrically connected with a controller (16).
4. The water reducing agent mother liquor manufacturing device according to claim 1, further comprising a raising table (19), wherein the raising table (19) is used for raising the bottom of the raw material tank to the top of the mixing kettle (8).
5. The water reducer mother liquor manufacturing device according to claim 1, wherein the initial volume ratio of the first proportioning chamber to the second proportioning chamber is 1:4.5, and a sliding separation block (18) positioned at the initial volume ratio is positioned at the middle adjusting position.
6. A process for preparing a water reducing agent mother liquor of an apparatus according to any one of claims 1 to 5, wherein the process comprises the following steps:
placing a polyester type carboxylic acid water reducer mother solution, a polyether type carboxylic acid water reducer mother solution and corresponding diluted solution into a raw material box;
respectively measuring the density and the solid content of the polyester type carboxylic acid water reducer mother liquor and the polyether type carboxylic acid water reducer mother liquor;
the volume ratio of the first proportioning cavity and the second proportioning cavity in the proportioning pipe (3) is adjusted according to the solid content, and the density of the diluted mother solution is recalculated according to the readjusted volume ratio;
after the dilution density of the polyester type carboxylic acid water reducer mother solution and the polyether type carboxylic acid water reducer mother solution is obtained, the rotation speed ratio of the two speed regulating motors (9) is calculated according to the actual discharge amount of the two discharge pipes (6) in unit time;
and after the rotation speed ratio is obtained, all working valves are opened, and equipment is started according to the rotation speed ratio, so that the polycarboxylate ether compound water reducing agent mother solution is obtained.
7. The process for preparing the water reducer mother liquor according to claim 6, wherein the rotation speed ratio is calculated and outputted when the mass ratio of the polyester type carboxylic acid water reducer mother liquor to the polyether type carboxylic acid water reducer mother liquor is 3:2.
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| CN209333665U (en) * | 2018-11-05 | 2019-09-03 | 内蒙古绿杭农牧业科技有限责任公司 | A kind of production equipment of soil measurement formula fertilizer |
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