CN220657532U - Device for producing polycarboxylate water reducer mother liquor and automatic batching and dropwise adding device thereof - Google Patents

Abstract

The utility model relates to the technical field of polycarboxylate water reducers, in particular to a device for producing a polycarboxylate water reducer mother solution and an automatic batching and dropwise adding device thereof, comprising a batching tank and a dropwise adding tank; the material mixing tank is arranged in the inner space of the closed shell, and is respectively connected with a raw water pipeline, an A material dripping tank, a B material dripping tank, an A material feeding pipe and a B material feeding pipe through pipelines penetrating through the closed shell, a stirring device I is arranged in the material mixing tank, a weighing sensor I is arranged at the bottom of the material mixing tank, the closed shell isolates a place which is easy to be dangerous in the whole material mixing process from the external environment, splashing of liquid chemical raw materials and operators are prevented, and potential safety hazards possibly occurring are reduced to the minimum from hardware; the batching process is automatically controlled by the controller, all liquid raw materials can be automatically extracted and metered, a plurality of control elements are arranged, and the proportioning of different raw materials is carried out in a batching tank, so that accurate metering is realized.

Description

Device for producing polycarboxylate water reducer mother liquor and automatic batching and dropwise adding device thereof

Technical Field

The utility model relates to the technical field of polycarboxylate water reducers, in particular to a device for producing a polycarboxylate water reducer mother solution and an automatic batching and dropwise adding device thereof.

Background

Today, the engineering industry in China is continuously developed, and the requirements on building materials are continuously improved. Concrete is a major building material, and is required to have high strength, high setting property, high fluidity and high durability. Along with the development of material technology, various concrete additive layers are endless, and the use effect is quite different. By reasonably using the concrete admixture, the performance of the concrete can be effectively improved. Through applying the water reducing agent to the concrete stirring in-process, can effectively improve the air content of concrete, let the inside gap rate of concrete obtain greatly reduced, under the unchangeable circumstances of concrete water consumption, effectively promote the slump of concrete. The reasonable use of the water reducer can also effectively prolong the setting time of the concrete. The water reducer with reasonable proportion is doped, so that the performance and strength of the concrete structure can be improved to a great extent, and the water cement ratio of the concrete is reduced. Under the condition of keeping the cement dosage and slump constant, the strength of the concrete is improved; the cement consumption is saved under the condition of unchanged strength and slump. Through reasonably using the water reducer, the rust problem of the steel bar in the concrete can be effectively prevented. The polycarboxylic acid high-performance water reducer is a concrete superplasticizer (water reducer) with the forefront in the world, highest technological content, best application prospect and optimal comprehensive performance. The polycarboxylic acid high-performance water reducer is a compound product of carboxylic acid graft multi-polymer and other effective auxiliary agents.

The synthesis process of the polycarboxylate water reducer comprises the steps of firstly putting powdery synthesis raw materials and water into a reaction kettle, and then dropwise adding materials A and B, wherein the main components of the synthesis raw materials are isopentenol polyoxyethylene ether and methallyl polyoxyethylene ether, the main components of the materials A are acrylic acid solution, the main components of the materials B are reducer, and adding alkali liquor for neutralization after the materials fully react to obtain a finished product. In the production of the polycarboxylate water reducer mother liquor, most of required raw materials are chemical raw materials, the consumption of a plurality of liquid raw materials is very small, when the liquid raw materials are proportioned in the previous production, staff pump the liquid raw materials into a small barrel by using manual oil and weigh the liquid raw materials again, and then the liquid raw materials are added into a dripping tank, and in the manual pumping or adding process, if the operation is careless, the liquid raw materials are easy to splash on the body of an operator, and the liquid raw materials have skin irritation, can cause burn when contacting eyes, and cause permanent damage; the smell is irritating to nose and throat, and the high concentration contact can cause lung change; in addition, the manual oil pumping and weighing has a large weight error, the required accurate metering cannot be achieved, and the quality of the produced polycarboxylate water reducer mother liquor is affected to a certain extent.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the device for automatically producing the polycarboxylate water reducer mother liquor and the dosing dropwise adding device thereof, which can maximally protect the personal safety of operators and improve the metering accuracy, all liquid chemical raw materials can be automatically extracted and proportioned, the operators do not need to manually extract, weigh, meter and add, the safety accidents caused when the operators contact the chemical raw materials are avoided, and the metering accuracy is ensured by automatic metering.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model relates to an automatic batching and dropwise adding device for producing a polycarboxylate superplasticizer mother solution, which comprises a batching tank and a dropwise adding tank; the dosing tank is arranged in the inner space of the closed shell, the dripping tank comprises an A material dripping tank and a B material dripping tank which are arranged above the closed shell, the dosing tank is respectively connected with a raw water pipeline, the A material dripping tank, the B material dripping tank, an A material feeding pipe and a B material feeding pipe through pipelines penetrating through the closed shell, and a pipeline between the raw water pipeline and the dosing tank is provided with a first water inlet valve and a first water inlet pump; the pipeline between the A material dripping tank and the batching tank is provided with an A material feeding valve, an A material discharging valve and an A material discharging pump; a material B feeding valve, a material B discharging valve and a material B discharging pump are arranged between the material B dripping tank and the material mixing tank, and a material A material mixing pump is arranged between the material A feeding pipe and the material mixing tank; a material B proportioning pump is arranged between the material B feeding pipe and the proportioning tank; the stirring device I is arranged in the material mixing tank, the weighing sensor I is arranged at the bottom of the material mixing tank, and the water inlet valve I, the water inlet pump, the material A feeding valve, the material A discharging pump, the material B feeding valve, the material B discharging pump, the material A material mixing pump, the material B mixing pump, the stirring device I and the weighing sensor I are respectively in electric signal connection with a controller outside the closed shell; the liquid outlets of the A material dripping tank and the B material dripping tank are respectively connected with a reaction kettle through pipelines, and one side of the reaction kettle is also connected with a powder feeding machine.

In a possible technical scheme, the lower side of the batching tank is connected with a first pipeline through a discharge hole, the first pipeline is connected with a raw water pipeline along a liquid outlet direction through a branch respectively, and the first branch is provided with a first water inlet valve; the second branch is connected with a water inlet of the material mixing tank, and is provided with a second water inlet valve; the material dripping tank A is connected through a branch line IV which is provided with a material feeding valve A; the branch five is connected with the material B dripping tank, and is provided with a material B feeding valve; a discharge valve is arranged at the front side of the connection part of the first pipeline and the first branch pipeline; the rear side of the first pipeline, which is positioned at the joint with the first branch pipeline, is provided with a delivery pump.

In one possible technical scheme, the first pipeline is positioned at the joint of the second pipeline and the fourth pipeline and is connected with the reaction kettle through a third pipeline, and a third water inlet valve is arranged on the third pipeline.

In a possible technical scheme, the liquid outlets of the A material dripping tank and the B material dripping tank are respectively connected with a reaction kettle through a second pipeline and a third pipeline, and the second pipeline is provided with an A material dripping valve; and a material dripping valve B is arranged on the pipeline III, and the material dripping valve A and the material dripping valve B are respectively connected with the electric signal of the controller.

In a possible technical scheme, the bottom sides of the A material dripping tank and the B material dripping tank are respectively provided with a weighing sensor IV and a weighing sensor III.

In a possible technical scheme, closed shell includes square tube frame and closed panel beating, square tube frame surrounds the batching jar in inside, closed panel beating seals the parcel and installs in square tube frame's the outside and form the box.

Among possible technical scheme, still including setting up the elevated tank in closed shell one side, the pan feeding mouth of elevated tank passes through pipeline four and connects other reaction material inlet pipes, pipeline four sets up other reaction material charge pump, and the elevated tank discharge gate passes through pipeline five connection reation kettle, and pipeline five is equipped with the blowing valve, blowing valve and controller electrical signal connection.

In one possible technical scheme, a second weighing sensor is arranged at the bottom side of the elevated tank.

In one possible technical scheme, a second stirring device is arranged in the reaction kettle; the annular side of the reaction kettle is provided with a cooling coil pipe.

The device for producing the polycarboxylate superplasticizer mother liquor comprises any one of the automatic batching and dropwise adding devices for producing the polycarboxylate superplasticizer mother liquor.

Compared with the prior art, the utility model has the beneficial effects that: the utility model installs the batching tank, part of connecting pipelines and control elements in the inner space of the closed shell, so that the places which are easy to be dangerous in the whole batching process are isolated from the external environment, the splashing injury of liquid chemical raw materials and the operators are prevented, and the possible potential safety hazard is reduced to the minimum from the hardware; the batching process is automatically controlled by the controller, all liquid raw materials can be automatically extracted and automatically metered, a plurality of control elements are arranged, the proportioning of different raw materials is carried out in the batching tank, the accurate metering is realized, the safety accidents caused when operators contact the chemical raw materials are further avoided, and the influence of the artificial factors in the manual adding mode on the stable product quality is avoided; the device has the characteristics of reasonable design, ingenious design, full utilization of reasonable space, easy use and maintenance, direct upgrading and reconstruction of old equipment, reduced professional requirements on operators, simple and intelligent operation, reduced production threshold and comprehensive cost of the polycarboxylate water reducer mother liquor, and contribution to wide popularization and application in industry.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

reference numerals: 1-a controller; 2-a batching tank; 3-stirring device I; 4-a first weighing sensor; 5-a discharge valve; 6-a first water inlet valve; 7-a delivery pump; 8-a second water inlet valve; 9-a water inlet valve III; a 10-A material feeding valve; 11-B material feed valve; 12-a raw water pipeline; 13-other reactant feed lines; a 14-A material proportioning pump; 15-B material proportioning pump; 16-other reaction material feed pump; 17-a liquid inlet pipeline; 18, a second weighing sensor; 19-a discharge valve; 20-high level tank; a 21-B gob addition valve; 22-a third weighing sensor; a 23-B material dripping tank; a 24-A gob addition valve; 25-a weighing sensor IV; a 26-A material dripping tank; 27-square tube frame; 28-closing metal plates; 29-A material feeding pipe; a 30-B material feeding pipe; 31-a reaction kettle; 32-a powder feeder; 33-a second stirring device; 34-cooling coil pipe; 35-mother liquor output pipeline; 36-mother liquor output pump; 37-mother liquor outlet valve; 100-pipeline I; 110-branch one; 120-branch two; 130-branch three; 140-branch four; 150-branch five; 200-a second pipeline; 300-a third pipeline; 400-pipe four; 500-pipeline five.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1, an automatic dosing and dripping device for producing a polycarboxylate superplasticizer mother solution comprises a dosing tank 2 and a dripping tank; the dosing tank 2 is arranged in the inner space of the closed shell, the dripping tank comprises an A material dripping tank 26 and a B material dripping tank 23 which are arranged above the closed shell, the dosing tank 2 is respectively connected with a raw water pipeline 12, the A material dripping tank 26, the B material dripping tank 23, an A material feeding pipe 29 and a B material feeding pipe 30 through pipelines penetrating through the closed shell, the raw water pipeline 12 can convey raw water for dosing into the dosing tank 2, the A material feeding pipe 29 or the B material feeding pipe 30 can respectively convey A material or B material for dosing into the dosing tank 2, the A material or the B material respectively prepare and mix into a water reducing agent mother solution synthesis solution in proportion in the dosing tank 2, and then the solution is respectively conveyed to the A material dripping tank 26 or the B material dripping tank 23 through pipelines; a pipeline between the raw water pipeline 12 and the batching tank 2 is provided with a first water inlet valve 6 and a water inlet pump for controlling the opening and closing of water inlet; the pipeline between the material dripping tank 26 and the material mixing tank 2 is provided with a material feeding valve 10, a material discharging valve and a material discharging pump which are used for controlling the opening and closing of the material solution A conveyed from the material mixing tank 2 to the material dripping tank 26; a material B feeding valve 11, a material B discharging valve and a material B discharging pump are arranged between the material B dripping tank 23 and the material mixing tank 2 and used for controlling the on-off of the material B solution conveyed from the material mixing tank 2 to the material B dripping tank 23, and a material A material mixing pump 14 is arranged between the material A feeding pipe 29 and the material mixing tank 2 and used for controlling the on-off of the material A conveyed into the material mixing tank 2; a material B proportioning pump 15 is arranged between the material B feeding pipe 30 and the proportioning tank 2 and used for controlling the opening and closing of the material B conveyed into the proportioning tank 2; a stirring device I3 is arranged in the batching tank 2, which is beneficial to uniformly stirring and mixing raw materials and raw water and improves batching efficiency; the bottom of the batching tank 2 is provided with a weighing sensor I4, the weight of raw materials entering the batching tank 2 is automatically and accurately weighed, a water inlet valve I6, a water inlet pump, an A material inlet valve 10, an A material outlet valve, an A material outlet pump, a B material inlet valve 11, a B material outlet valve, a B material outlet pump, an A material batching pump 14, a B material batching pump 15, a stirring device I3 and the weighing sensor I4 are respectively connected with a controller 1 outside the closed shell in an electric signal manner, the weighing sensor I4 transmits weighing data information to the controller 1, and the controller judges whether the feeding reaches the preset weight according to the weighing data information and controls the opening and closing of the control elements; specifically, during the material preparation, the material A or the material B is respectively prepared and conveyed, raw water and the material A or the material B are pumped into the material preparation tank 2 step by step, the pumping control of raw materials is realized through the control elements of the corresponding pipelines, and the weighing sensor 4 is used for weighing the pumped raw materials in each step respectively so as to finish the accurate control of the preparation proportion of the solution; after the raw materials are pumped in, a stirring device I3 can be started for stirring and uniformly mixing to finish the batching; the liquid outlets of the material dripping tank 26A and the material dripping tank 23B are respectively connected with a reaction kettle 31 through pipelines, one side of the reaction kettle 31 is also connected with a powder feeding machine 32, the powder feeding machine 32 is used for conveying powder reaction materials into the reaction kettle 31, preferably, the powder feeding machine 32 is conveyed to the reaction kettle 31 in a ground feeding mode, and potential safety hazards caused by a high-level feeding mode are avoided; a second stirring device 33 is arranged in the reaction kettle 31; the cooling coil 34 is arranged on the annular side of the reaction kettle 31 to control the temperature in the reaction kettle 31; one side of the reaction kettle 31 is connected with a mother liquor output pipeline 35, and the mother liquor output pipeline 35 is provided with a mother liquor output pump 36 and a mother liquor outlet valve 37.

The utility model installs the batching tank 2, part of connecting pipelines and control elements in the inner space of the closed shell, so that the places which are easy to be dangerous in the whole batching process are isolated from the external environment, the splashing injury of liquid chemical raw materials and the operators are prevented, and the possible potential safety hazard is reduced to the minimum from the hardware; the batching process is automatically controlled by the controller, all liquid raw materials can be automatically extracted and automatically metered, a plurality of control elements are arranged, the proportioning of different raw materials is carried out in the batching tank, the accurate metering is realized, the safety accidents caused when operators contact the chemical raw materials are further avoided, and the influence of the artificial factors in the manual adding mode on the stable product quality is avoided; the device has the characteristics of reasonable design, ingenious design, full utilization of reasonable space, easy use and maintenance, direct upgrading and reconstruction of old equipment, reduced professional requirements on operators, simple and intelligent operation, reduced production threshold and comprehensive cost of the polycarboxylate water reducer mother liquor, and contribution to wide popularization and application in industry.

In this embodiment, in the implementation, as shown in fig. 1, in order to simplify the pipeline structure, save the occupied space and reduce the usage amount of the control element, the material mixing tank 2 is respectively combined with the raw water pipeline 12, the material dripping tank a 26 and the material dripping tank B23, specifically, the lower side of the material mixing tank 2 is connected with the pipeline a 100 through a material outlet, the pipeline a 100 is connected with the raw water pipeline 12 along the liquid outlet direction through a branch a 110, and the branch a 110 is provided with a water inlet valve a 6; the second branch 120 is connected with the water inlet of the material mixing tank 2, and the second branch 120 is provided with a second water inlet valve 8; the material A dripping tank 26 is connected through a branch line IV 140, and the branch line IV 140 is provided with a material A feeding valve 10; the B material dripping tank 23 is connected through a branch five 150, and the branch five 150 is provided with a B material feeding valve 11; the plurality of connecting pipelines are combined into a pipeline I100 which is connected with the batching tank 2, the front side of the pipeline I100, which is positioned at the joint of the pipeline I110, is provided with a discharge valve 5, the solution in the batching tank 2 is uniformly controlled by the discharge valve 5 when discharged, and the discharge valve 5 replaces the functions of the two valves of the A material discharge valve and the B material discharge valve; the rear side of the connection part of the pipeline I100 and the branch I110 is provided with a delivery pump 7, the delivery pump 7 and the control valves on the branches are matched to uniformly control the liquid inlet or liquid outlet of the material mixing tank 2 and the branches, and the delivery pump 7 replaces the functions of the three pumps, namely a water inlet pump, an A material discharging pump and a B material discharging pump; when raw water is required to be conveyed into the batching tank 2, the first water inlet valve 6, the second water inlet valve 8 and the conveying pump 7 are opened, other valves and pumps are closed, and raw water enters the batching tank 2 through the raw water pipeline 12, the first branch 110 and the second branch 120; when the solution prepared in the batching tank 2 is required to be conveyed to the material A dripping tank 26, the discharging valve 5, the conveying pump 7 and the material A feeding valve 10 are opened, other valves and pumps are closed, and the solution enters the material A dripping tank 26 through the pipeline one 100 and the branch four 140; similarly, when the solution prepared in the batching tank 2 needs to be conveyed to the B material dripping tank 23, the discharging valve 5, the conveying pump 7 and the B material feeding valve 11 are opened, other valves and pumps are closed, and the solution enters the B material dripping tank 23 through the pipeline one 100 and the branch five 150.

When the raw water is required to be input into the reaction kettle 31, the pipeline is integrated into the automatic batching and dripping device, namely, the pipeline I100 is positioned at the joint of the pipeline I and the branch II 120 and the branch IV 140 and is connected with the liquid inlet pipeline 17 of the reaction kettle 31 through the branch III 130, the branch III 130 is provided with the water inlet valve III 9, and when the raw water is required to be input into the reaction kettle 31, the water inlet valve I6, the conveying pump 7 and the water inlet valve III 9 are started, so that the raw water can enter the reaction kettle 31 through the raw water pipeline 12, the branch I110 and the branch III 130.

The liquid outlets of the A material dripping tank 26 and the B material dripping tank 23 are respectively connected with the corresponding liquid inlet pipeline 17 of the reaction kettle 31 through a pipeline II 200 and a pipeline III 300, and the pipeline II 200 is provided with an A material dripping valve 24; the third pipeline 300 is provided with a B material dripping valve 21, the A material dripping valve 24 and the B material dripping valve 21 are respectively connected with the electric signal of the controller 1, and the dripping control of the A material or the B material is realized through the A material dripping valve 24 and the B material dripping valve 21.

It should be noted that, the above-mentioned pipeline arrangement manner provided in this embodiment is only a preferred embodiment of the present utility model, and in practical application, any suitable change may be made according to specific structure and space requirements, so long as the above-mentioned functions can be implemented, which are all within the scope of protection of the present utility model.

Preferably, the bottom sides of the material A dripping tank 26 and the material B dripping tank 23 are respectively provided with a weighing sensor IV 25 and a weighing sensor III 22, and the dripping amount of the material A or the material B is accurately monitored in real time.

Preferably, closed shell includes square tube frame 27 and closed panel beating 28, square tube frame 27 surrounds batching jar 2 in inside, closed panel beating 28 seals the parcel and installs in square tube frame 27's the outside and form the box, and closed panel beating 28 can be with the place that the in-process of batching takes place danger completely isolated with external environment completely, and on the other hand its structure is stronger, can play the supporting role to A gob jar 26 and B gob jar 23 when playing the guard action to its inner structure, has further optimized the whole spatial layout of device, rational utilization space to also convenient transportation.

Further, the automatic batching and dropwise adding device for producing the polycarboxylate superplasticizer mother liquor further comprises a high-level tank 20 arranged on one side of the closed shell, a feeding port of the high-level tank 20 is connected with other reaction material feeding pipes 13 through a pipeline IV 400, the pipeline IV 400 is provided with other reaction material feeding pumps 16, a discharging port of the high-level tank 20 is connected with a liquid feeding pipeline 17 of a reaction kettle 31 through a pipeline V500, the pipeline V500 is provided with a discharging valve 19, the discharging valve 19 is electrically connected with a controller 1, other reaction materials (such as hydrogen peroxide, ammonium persulfate solution and the like) needing to be input into the reaction kettle 31 except for materials A and B can be supplied to the reaction kettle 31 through the high-level tank 20, the reaction materials can be controlled through the discharging valve 19, preferably, a weighing sensor II 18 is arranged on the bottom side of the high-level tank 20, and the supply quantity of the other reaction materials is accurately monitored in real time.

When raw water is required to be conveyed into the batching tank 2, the first water inlet valve 6, the second water inlet valve 8 and the conveying pump 7 are opened, other valves and pumps are closed, and the raw water enters the batching tank 2 through the raw water pipeline 12, the first branch 110 and the second branch 120; when the material A is required to be conveyed into the batching tank 2, the material A batching pump 14 is started, other valves and pumps are closed, and the material A feeding pipe 29 inputs the material A into the batching tank 2; when the material B is required to be conveyed into the batching tank 2, a material B batching pump 15 is started, other valves and pumps are closed, and a material B feeding pipe 30 inputs material B into the batching tank 2; the first weighing sensor 4 is used for respectively weighing the raw materials pumped in each step, and the first stirring device 3 can be started for stirring and uniformly mixing after the raw materials are pumped in to finish the batching; when the solution prepared in the batching tank 2 is required to be conveyed to the material A dripping tank 26, the discharging valve 5, the conveying pump 7 and the material A feeding valve 10 are opened, other valves and pumps are closed, and the solution enters the material A dripping tank 26 through the pipeline one 100 and the branch four 140; similarly, when the solution prepared in the batching tank 2 is required to be conveyed to the material B dripping tank 23, the discharging valve 5, the conveying pump 7 and the material B feeding valve 11 are opened, other valves and pumps are closed, and the solution enters the material B dripping tank 23 through the pipeline I100 and the branch I150; when raw water is required to be input into the reaction kettle 31, the first water inlet valve 6, the delivery pump 7 and the third water inlet valve 9 are opened, and the raw water can enter the reaction kettle 31 through the raw water pipeline 12, the first branch 110 and the third branch 130; when other reactants are required to be input into the overhead tank 20, the other reactant feed pump 16 is started, and the other reactant feed pipe 13 inputs feed liquid through a pipeline IV 400; during dripping, the dripping control of the material A or the material B is realized through the material A dripping valve 24 and the weighing sensor IV 25 or the material B dripping valve 21 and the weighing sensor III 22, and the dripping process of other reaction materials is controlled through the material discharging valve 19 and the weighing sensor II 18.

According to the device for producing the polycarboxylate superplasticizer mother liquor, disclosed by the embodiment of the utility model, on the basis of the automatic batching and dropwise adding device, the reaction kettle liquid inlet pipeline 17 is connected through the corresponding pipeline, the reaction kettle liquid inlet pipeline 17 is connected into the reaction kettle 31, the dropwise adding process of each raw material is automatically controlled through the controller 1 according to the production requirement of the polycarboxylate superplasticizer mother liquor, the powder reaction material is conveyed into the reaction kettle 31 through the powder feeder 32, and the reaction material is uniformly stirred through the stirring device II 33; the temperature in the reaction kettle 31 is controlled through a cooling coil 34; the mother solution of the needed molecular chain is synthesized through chemical reaction, so that the whole production process of the polycarboxylic acid mother solution is automatically controlled to a higher degree; by controlling the mother liquor output pump 36 and the mother liquor outlet valve 37, the mother liquor of polycarboxylic acid after completion of synthesis can be transported to a mother liquor storage tank through the mother liquor output pipe 35.

Other mounting, connecting or arranging modes except the above description are common mechanical modes, and can be implemented as long as the beneficial effects can be achieved; the control elements and the weighing sensors of the utility model can be purchased in the market in proper models, and the person skilled in the art can only install and operate according to the attached instructions.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. An automatic dosing dropwise adding device for producing a polycarboxylate superplasticizer mother solution comprises a dosing tank (2) and a dropwise adding tank; the automatic material mixing device is characterized in that a material mixing tank (2) is arranged in an inner space of a closed shell, the material mixing tank comprises an A material mixing tank (26) and a B material mixing tank (23) which are arranged above the closed shell, the material mixing tank (2) is connected with a raw water pipeline (12), the A material mixing tank (26), the B material mixing tank (23), an A material feeding pipe (29) and a B material feeding pipe (30) through pipelines penetrating through the closed shell, and a water inlet valve I (6) and a water inlet pump are arranged in the pipeline between the raw water pipeline (12) and the material mixing tank (2); the pipeline between the A material dripping tank (26) and the batching tank (2) is provided with an A material feeding valve (10), an A material discharging valve and an A material discharging pump; a material B feeding valve (11), a material B discharging valve and a material B discharging pump are arranged between the material B dripping tank (23) and the material mixing tank (2), and a material A material mixing pump (14) is arranged between the material A feeding pipe (29) and the material mixing tank (2); a material B proportioning pump (15) is arranged between the material B feeding pipe (30) and the proportioning tank (2); a stirring device I (3) is arranged in the batching tank (2), a weighing sensor I (4) is arranged at the bottom of the batching tank (2), and the water inlet valve I (6), the water inlet pump, the A material inlet valve (10), the A material outlet valve, the A material outlet pump, the B material inlet valve (11), the B material outlet valve, the B material outlet pump, the A material batching pump (14), the B material batching pump (15), the stirring device I (3) and the weighing sensor I (4) are respectively connected with a controller (1) outside the closed shell in an electric signal manner; the liquid outlets of the A material dripping tank (26) and the B material dripping tank (23) are respectively connected with a reaction kettle (31) through pipelines, and one side of the reaction kettle (31) is also connected with a powder feeding machine (32).

2. The automatic batching and dripping device for producing the polycarboxylate superplasticizer mother liquor according to claim 1, wherein the lower side of the batching tank (2) is connected with a pipeline I (100) through a discharge hole, the pipeline I (100) is respectively connected with a raw water pipeline (12) along the liquid outlet direction through a branch I (110), and the branch I (110) is provided with a water inlet valve I (6); the second branch (120) is connected with a water inlet of the material mixing tank (2), and the second branch (120) is provided with a second water inlet valve (8); the A material dripping tank (26) is connected through a branch IV (140), and the branch IV (140) is provided with an A material feeding valve (10); the B material dripping tank (23) is connected through a branch five (150), and the branch five (150) is provided with a B material feeding valve (11); a discharge valve (5) is arranged at the front side of the connection part of the first pipeline (100) and the first branch (110); the first pipeline (100) is provided with a delivery pump (7) at the rear side of the joint with the first branch pipeline (110).

3. The automatic dosing and dripping device for producing the polycarboxylate superplasticizer mother liquor according to claim 2, wherein the first pipeline (100) is positioned at the joint of the second branch (120) and the fourth branch (140) and is connected with the reaction kettle (31) through the third branch (130), and the third branch (130) is provided with the third water inlet valve (9).

4. The automatic dosing and dripping device for producing the polycarboxylate superplasticizer mother liquor according to claim 1, wherein the liquid outlets of the A material dripping tank (26) and the B material dripping tank (23) are respectively connected with a reaction kettle (31) through a pipeline II (200) and a pipeline III (300), and an A material dripping valve (24) is arranged on the pipeline II (200); and a material dripping valve B (21) is arranged on the pipeline III (300), and the material dripping valve A (24) and the material dripping valve B (21) are respectively connected with the electric signal of the controller (1).

5. The automatic dispensing device for producing a polycarboxylate superplasticizer mother liquor according to claim 4, wherein the bottom sides of the A gob adding tank (26) and the B gob adding tank (23) are respectively provided with a fourth weighing sensor (25) and a third weighing sensor (22).

6. The automatic dosing and dripping device for producing the polycarboxylate water reducer mother liquor according to claim 1, wherein the closed shell comprises a square tube frame (27) and a closed sheet metal (28), the square tube frame (27) surrounds the dosing tank (2) inside, and the closed sheet metal (28) is installed on the outer side of the square tube frame (27) in a closed package mode to form a box shape.

7. The automatic dosing and dripping device for producing the polycarboxylate superplasticizer mother liquor according to claim 1, further comprising a high-level tank (20) arranged on one side of the closed shell, wherein a feeding port of the high-level tank (20) is connected with other reaction material feeding pipes (13) through a pipeline IV (400), the pipeline IV (400) is provided with other reaction material feeding pumps (16), a discharging port of the high-level tank (20) is connected with the reaction kettle through a pipeline V (500), the pipeline V (500) is provided with a discharging valve (19), and the discharging valve (19) is electrically connected with the controller (1).

8. The automatic dosing and dropping device for producing a polycarboxylate superplasticizer mother liquor according to claim 7, wherein a second load cell (18) is installed at the bottom side of the elevated tank (20).

9. The automatic dosing and dripping device for producing the polycarboxylate superplasticizer mother liquor according to claim 1, wherein a stirring device II (33) is arranged in the reaction kettle (31); the annular side of the reaction kettle (31) is provided with a cooling coil pipe (34).

10. A device for producing a polycarboxylate superplasticizer mother liquor, which is characterized by comprising the automatic batching and dropwise adding device for producing the polycarboxylate superplasticizer mother liquor according to any one of claims 1-9.