CN115212809A - Quantitative feeding device and quantitative feeding method for production of polycarboxylate superplasticizer - Google Patents
Quantitative feeding device and quantitative feeding method for production of polycarboxylate superplasticizer Download PDFInfo
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- CN115212809A CN115212809A CN202211147263.6A CN202211147263A CN115212809A CN 115212809 A CN115212809 A CN 115212809A CN 202211147263 A CN202211147263 A CN 202211147263A CN 115212809 A CN115212809 A CN 115212809A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/08—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds according to the "moving bed" method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40096—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating by using electrical resistance heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to the field of chemical industry, in particular to a quantitative feeding device and a quantitative feeding method for polycarboxylate superplasticizer production, which comprise a reaction kettle rack and a reaction kettle, wherein the reaction kettle is fixedly connected to the top of the reaction kettle rack, and the quantitative feeding device further comprises: the quantitative feeding mechanism is arranged on the right side of the top of the reaction kettle; the waste gas treatment mechanism is arranged on the left side of the top of the reaction kettle; the funnel is inserted at the top of the quantitative feeding mechanism; the ration is thrown material mechanism and is included: a tank body; the number of the supporting legs is three, the supporting legs are circumferentially arranged on the lower surface of the tank body, and the supporting legs are fixedly connected with the top of the reaction kettle; the blast pipe is installed the top left side of jar body. The invention realizes the quantitative feeding of raw materials, has high raw material weighing accuracy, saves time and labor for weighing, reduces the impurity amount of the solution, saves resources, has the function of movably adsorbing waste gas, has good waste gas purification effect, can realize the desorption of the adsorbent, ensures that the adsorbent is repeatedly used, and saves the waste gas purification cost.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a quantitative feeding device and a quantitative feeding method for production of a polycarboxylate superplasticizer.
Background
The water reducing agent is a concrete admixture which can reduce the mixing water consumption under the condition of keeping the slump constant of concrete basically. As anionic surfactants, there are lignin sulfonate, naphthalene sulfonate formaldehyde polymers, and the like. After the concrete mixture is added, the cement particles are dispersed, the workability of the cement particles can be improved, the unit water consumption is reduced, and the fluidity of the concrete mixture is improved; or the unit cement consumption is reduced, and the cement is saved;
the preparation of the water reducing agent needs esterification reaction, polymerization reaction and neutralization reaction, the required raw materials are weighed according to the proportion before each reaction and then put into a reaction kettle, and the reaction conditions such as heating, stirring and the like are provided by the reaction kettle, so that the qualified water reducing agent can be prepared;
in the production process of the water reducing agent, the raw materials are weighed in a large weight, so that a manual weighing mode is mostly adopted, a quantitative feeding device for uniformly weighing the raw materials is not available, the raw material weighing accuracy is poor, the preparation work is complex, the time and the labor are wasted, the raw material proportioning is not accurate, a large amount of impurities are easily caused, and the resources are wasted;
in the reaction process, can produce a large amount of hydrocarbon gas among the reation kettle, traditional mode relies on the adsorbent to adsorb the hydrocarbon gas in the waste gas, prevent that direct emission from causing the atmosphere pollution, in adsorption process, the adsorbent is unmovable, lead to the part of mutual contact between the adsorbent can not play the adsorption to gas, the adsorption effect is poor, furthermore, adsorb saturated adsorbent and change, it is high to obtain reuse exhaust-gas treatment expense, according to the problem of above-mentioned actual existence, it throws the response device of material device to need to provide one kind and possess the ration.
Disclosure of Invention
The embodiment of the invention aims to provide a quantitative feeding device and a quantitative feeding method for production of a polycarboxylate superplasticizer, and aims to solve the problems of nonuniform and inaccurate raw material weighing, poor waste gas treatment effect and high cost in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the utility model provides a polycarboxylate water reducing agent production ration feeding device, includes reation kettle frame and reation kettle, reation kettle fixed connection still includes at the top of reation kettle frame: the quantitative feeding mechanism is arranged on the right side of the top of the reaction kettle; the waste gas treatment mechanism is arranged on the left side of the top of the reaction kettle; the funnel is inserted at the top of the quantitative feeding mechanism;
the ration is thrown material mechanism and is included: the tank body is made of a corrosion-resistant high polymer material; the number of the supporting legs is three, the supporting legs are circumferentially arranged on the lower surface of the tank body, and the supporting legs are fixedly connected with the top of the reaction kettle; the exhaust pipe is arranged on the left side of the top of the tank body; the liquid level regulating and controlling assembly is arranged on the front side of the inner cavity of the tank body along the vertical direction; the observation assembly is arranged on the front side of the tank body along the up-down direction and corresponds to the liquid level regulation assembly in position; the throwing control assembly is arranged on the right side of the outer wall of the tank body;
the liquid level feeding assembly is made of corrosion-resistant materials, so that the service life of the weighed raw materials is prolonged;
aim at carries out the ration of raw materials weighing weight, liquid level regulation and control subassembly includes: the supporting plate is arranged on the front side of the inner cavity of the tank body along the vertical direction; the second motor is arranged at the top end of the supporting plate; one end of the screw is installed at the output end of the second motor, and the other end of the screw is connected with the bottom of the supporting plate through a bearing; the lifting plate is in threaded connection with the outer wall of the screw, and the lifting plate is sleeved on the outer wall of the supporting plate; the permanent magnet and the pressure switch are respectively embedded at the front end and the rear end of the lifting plate; the floating block is rotatably arranged at the bottom end of the rear side of the lifting plate through a pin shaft; the pressure plate is arranged at the top of the front side of the floating block and corresponds to the pressure switch in position; the limiting support is arranged on the rear side of the bottom of the lifting plate and used for limiting the descending of the floating block;
the observation assembly includes: the sliding rod is arranged on the front side of the outer wall of the tank body along the vertical direction; the volume graduated scale is embedded in the front side of the sliding rod along the up-down direction; the sliding sleeve can be in the gliding cup joint from top to bottom the outer wall of slide bar, and sliding sleeve and permanent magnet magnetism attract mutually.
As a further scheme of the invention: the surface area of the front side of the pressure plate is equal to the area of the force bearing surface of the pressure switch.
As a further scheme of the invention: when the floating block is in a horizontal state, the lower surface of the floating block and the lower surface of the sliding sleeve are on the same horizontal plane.
As a further scheme of the invention: after the internal raw materials volume of jar reachd appointed volume, can brake and suspend the interpolation, in discharging the internal raw materials of jar reation kettle simultaneously, possess automatic unloading ability, put in the control assembly and include: the shell is arranged on the right side of the outer wall of the tank body along the vertical direction; the rotary cylinder is arranged at the center of the front side of the shell and is electrically connected with the pressure switch; the swing rod is arranged at the output end of the rotary cylinder and is positioned in the inner cavity of the shell, and the upper end and the lower end of the front side and the lower end of the rear side of the swing rod are both provided with sliding grooves; the two valve seats are respectively arranged on the right sides of the upper end and the lower end of the tank body, a funnel is inserted into an inner cavity of the valve seat positioned at the top, and the valve seat positioned at the bottom is communicated with the reaction kettle through a water pipe; the valve cover is arranged on the right side wall of the valve seat; the valve core is inserted in the inner cavity of the valve cover, and the valve seat is opened and closed through the valve core; the support rod is arranged at the right end of the valve core; the deflector rod is arranged at the right end of the outer wall of the support rod and is inserted in the inner cavity of the sliding chute;
the rotary cylinder is provided with a reset button, and when the raw material weighing is finished, the rotary cylinder can drive the oscillating bar to rotate clockwise, so that the oscillating bar is reset, and the raw material is weighed again for use.
As a further scheme of the invention: the outer wall of the deflector rod is cylindrical.
As a further scheme of the invention: aim at purifies waste gas, possesses adsorbent desorption function moreover, realizes the used repeatedly of adsorbent, exhaust treatment mechanism includes: the bracket is arranged on the left side of the top of the reaction kettle; the discharge valve is arranged at the bottom end of the bracket; the first motor is arranged at the center of the lower surface of the bracket; the filter cartridge is arranged on the upper surface of the bracket; the heating wire is embedded in the filter cylinder; the number of the connecting rods is at least three, and the connecting rods are equidistantly arranged in the middle of the inner wall of the filter cylinder along the circumferential direction; the net barrel is arranged on the inner side of the connecting rod; the spiral conveying rod is arranged at the output end of the first motor and is inserted in the inner cavity of the net drum; the adsorbent is filled in the inner cavity of the filter cylinder; the number of the air guide pipes is at least two, one end of each air guide pipe is arranged at the bottom end of the outer wall of the filter cylinder at equal intervals along the circumferential direction, and the other end of each air guide pipe is connected with the top of the reaction kettle; the exhaust valve is arranged at the center of the top of the filter cylinder.
As a further scheme of the invention: and a filter screen is arranged at the top of the air duct.
The quantitative feeding method of the quantitative feeding device for producing the polycarboxylic acid water reducing agent comprises the following steps:
firstly, adjusting the weighing volume according to the raw material proportion, driving a screw to rotate clockwise or anticlockwise through a second motor, driving a lifting plate to move upwards or downwards through the screw thread rotating force of the screw under the limiting action of a supporting plate, and driving a sliding sleeve to move up and down along with the lifting plate due to the magnetic attraction of a permanent magnet and the sliding sleeve until the volume of a scale on a volume scale corresponding to the bottom of the sliding sleeve is equal to the amount of the raw material to be weighed, so that the weighing weight of the raw material is adjusted and controlled;
step two, raw materials enter from a funnel, flow into a tank body through a valve seat at the top, the liquid level of the raw materials continuously rises, when the buoyancy of the raw materials forces a floating block to float upwards, the floating block drives a pressing plate to move and extrude a pressure switch, the pressure switch is triggered by the action of pressure, and then a rotary cylinder drives a swing rod to rotate anticlockwise, as a sliding chute is movably connected with a deflector rod, the swing rod extrudes the left side of a supporting rod at the top, a supporting rod at the bottom moves rightwards, a top valve core is inserted into the valve seat, the raw materials are not added into the tank body, a bottom valve core is drawn out from the valve seat, the raw materials pass through a water pipe from the bottom valve seat and enter a reaction kettle, and the quantitative weighing of the raw materials is achieved;
step three, an exhaust valve is opened, hydrocarbon gas generated by chemical reaction in the reaction kettle enters a filter cylinder through an air guide pipe, a first motor drives a spiral conveying rod to rotate, the spiral conveying rod drives adsorbent particles to move from bottom to top in the net cylinder, and when the adsorbent exceeds the top of the net cylinder, the adsorbent flows down from the outer side of the net cylinder to realize the circulating motion of the adsorbent from bottom to top, the adsorbent can be in full contact with waste gas when flowing, the effect of adsorbing hydrocarbon substances by the adsorbent is improved, and the purified gas is discharged from the exhaust valve;
and step four, after the adsorbent is saturated, electrifying the heating wire to raise the temperature, heating the filter cylinder, enabling the flowing adsorbent to be in contact with the filter cylinder, uniformly heating the adsorbent, enabling the adsorbent to be in a heat absorption process, and enabling substances adsorbed on the surface of the adsorbent to fall off, so that the adsorbent is desorbed, and the adsorbent is reused.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1. the lifting plate can be lifted or lowered by driving the screw rod to rotate clockwise or anticlockwise through the second motor, the sliding sleeve is lifted or lowered along the sliding rod under the magnetic action of the permanent magnet until the scale of the corresponding volume scale of the sliding sleeve is equal to the weight of the raw materials, the raw materials are weighed to be quantified, the liquid level of the raw materials continuously rises in the tank body, the floating block is forced to swing upwards by the buoyancy of the raw materials, the pressing plate extrudes the pressure switch to trigger, the rotating cylinder drives the swing rod to swing anticlockwise, the top valve core is inserted into the valve seat through the matching of the sliding groove and the shifting rod, the bottom valve core is extracted from the valve seat to stop adding the raw materials, and the weighed raw materials in the tank body enter the reaction kettle, so that the quantitative feeding of the raw materials is realized, the accuracy of the raw materials is high, the time and labor are saved during weighing, the impurity amount of the solution is reduced, and the resources are saved;
2. according to the invention, the spiral conveying rod can be rotated through the driving of the first motor, the adsorbent moves from bottom to top in the net cylinder under the driving of the spiral conveying rod, so that the adsorbent moves circularly, adsorbent particles are fully contacted with waste gas, the adsorption effect is strong, the waste gas is completely purified, the heating wire is electrified to heat the filter cylinder, the adsorbent absorbs the heat of the filter cylinder, the adsorbent is desorbed, and the adsorbent can be reused.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the quantitative feeding mechanism of the present invention;
FIG. 3 is a left side sectional view of the liquid level controlling assembly of the present invention;
FIG. 4 is a front sectional view of the launch control assembly of the present invention;
FIG. 5 is an enlarged view of the invention at A;
FIG. 6 is an enlarged view of the invention at B;
FIG. 7 is an enlarged view of the invention at C;
FIG. 8 is a schematic view of the exhaust treatment mechanism of the present invention;
FIG. 9 is a front sectional view of the exhaust gas treatment device of the present invention.
In the figure: 1-a reaction kettle rack, 2-a reaction kettle, 3-a quantitative feeding mechanism, 4-a waste gas treatment mechanism, 5-a funnel, 31-a tank body, 32-a supporting leg, 33-an exhaust pipe, 34-a liquid level regulating component, 35-an observation component, 36-a feeding control component, 41-a bracket, 42-a discharge valve, 43-a first motor, 44-a filter cylinder, 45-a heating wire, 46-a connecting rod, 47-a mesh cylinder, 48-a spiral conveying rod, 49-an adsorbent, 410-an air guide pipe, 411-an exhaust valve, 341-a supporting plate, 342-a second motor, 343-a screw, 344-a lifting plate, 345-a permanent magnet, 346-a pressure switch, 347-a floating block, 348-a pressing plate, 349-a limiting support, 351-a sliding rod, 352-a volume scale, 353-a sliding sleeve, 361-a shell, 362-a rotary cylinder, 363-a swinging rod, 364-a sliding chute, 365-a valve seat, 366-a 367-a valve core, 368-a supporting rod and a driving rod.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1, in the embodiment of the present invention, a quantitative feeding device for producing a polycarboxylate water reducing agent includes a reaction kettle rack 1 and a reaction kettle 2, the reaction kettle 2 is fixedly connected to the top of the reaction kettle rack 1, and further includes a quantitative feeding mechanism 3, a waste gas treatment mechanism 4 and a funnel 5, wherein the quantitative feeding mechanism 3 is installed on the right side of the top of the reaction kettle 2; the waste gas treatment mechanism 4 is arranged on the left side of the top of the reaction kettle 2; the funnel 5 is inserted at the top of the quantitative feeding mechanism 3;
as shown in fig. 2, the quantitative feeding mechanism 3 comprises a tank 31, support legs 32, an exhaust pipe 33, a liquid level regulating component 34, an observation component 35 and a feeding control component 36, wherein the tank 31 is made of a corrosion-resistant polymer material, so that the service life of the tank 31 is prolonged; the number of the support legs 32 is three, the support legs are circumferentially arranged on the lower surface of the tank body 31, and the support legs 32 are fixedly connected with the top of the reaction kettle 2; the exhaust pipe 33 is arranged on the left side of the top of the tank body 31, so that the pressure of the tank body 31 is consistent with the external air pressure, and the gas in the tank body 31 can be conveniently exhausted; the liquid level regulating assembly 34 is installed at the front side of the inner cavity of the tank 31 along the up-down direction; the observation assembly 35 is arranged on the front side of the tank body 31 along the up-down direction and corresponds to the liquid level regulating assembly 34 in position; the throwing control assembly 36 is arranged on the right side of the outer wall of the tank body 31;
as shown in fig. 2, 3 and 6, the liquid level regulating assembly 34 includes a supporting plate 341, a second motor 342, a screw 343, a lifting plate 344, a permanent magnet 345, a pressure switch 346, a floating block 347, a pressing plate 348 and a limiting support 349, wherein the supporting plate 341 is installed at the front side of the inner cavity of the tank 31 in the up-down direction to limit the lifting plate 344; the second motor 342 is installed at the top end of the supporting plate 341; one end of the screw 343 is installed at the output end of the second motor 342, and the other end is connected with the bottom of the supporting plate 341 through a bearing, when the screw 343 rotates clockwise or counterclockwise, the screw thread rotating force of the screw 343 can drive the lifting plate 344 to move up or down; the lifting plate 344 is screwed on the outer wall of the screw 343, and the lifting plate 344 is sleeved on the outer wall of the supporting plate 341; the permanent magnet 345 and the pressure switch 346 are respectively embedded at the front end and the rear end of the lifting plate 344, and the permanent magnet 345 and the sliding sleeve 353 are magnetically attracted to enable the sliding sleeve 353 to move along with the lifting plate 344; the floating block 347 is rotatably arranged at the bottom end of the rear side of the lifting plate 344 through a pin shaft, the floating block 347 can float upwards due to the buoyancy of the liquid level of the raw material, and when the floating block 347 is kept horizontal, the pressure plate 348 triggers the pressure switch 346; a pressure plate 348 is arranged on the top of the front side of the floating block 347, and the pressure plate 348 corresponds to the position of the pressure switch 346; the limiting support 349 is arranged at the rear side of the bottom of the lifting plate 344, and the floating block 347 is limited by the limiting support 349;
the weighing volume is adjusted according to the raw material proportion, the screw 343 is driven to rotate clockwise or anticlockwise by the second motor 342, the lifting plate 344 is driven to move upwards or downwards by the thread rotating force of the screw 343 under the limiting action of the supporting plate 341, and the sliding sleeve 353 is driven to move up and down along with the lifting plate 344 due to the magnetic attraction between the permanent magnet 345 and the sliding sleeve 353 until the volume of the scales on the volume scale 352 corresponding to the bottom of the sliding sleeve 353 is equal to the raw material amount to be weighed, so that the weighing weight of the raw materials is adjusted;
as shown in fig. 2, the observation assembly 35 includes a sliding rod 351, a volume scale 352 and a sliding sleeve 353, wherein the sliding rod 351 is installed at the front side of the outer wall of the tank 31 in the up-down direction, and the outer wall of the sliding rod 351 is rectangular to prevent the sliding sleeve 353 from rotating when moving up and down; the volume graduated scale 352 is embedded in the front side of the sliding rod 351 along the up-down direction, and the scale of the volume graduated scale 352 is set according to the volume of the tank body 31 and is used for weighing raw materials; the sliding sleeve 353 can be sleeved on the outer wall of the sliding rod 351 in a vertically sliding mode, and the sliding sleeve 353 and the permanent magnet 345 are magnetically attracted.
Furthermore, the surface area of the front side of the pressure plate 348 is equal to the area of the force bearing surface of the pressure switch 346, so that the surface area of the pressure plate 348 is reduced, the pressure of the pressure plate 348 on the pressure switch 346 is increased, and the stability of the pressure plate 348 for triggering the pressure switch 346 is ensured.
Further, when the floating block 347 is in a horizontal state, the lower surface of the floating block is on the same horizontal plane as the lower surface of the sliding sleeve 353, so that the liquid level of the raw material in the tank 31 reaches the lower surface of the floating block 347, that is, the scale of the volume scale 352 corresponding to the sliding sleeve 353, thereby realizing accurate weighing of the raw material.
Further, as shown in fig. 2, 4, 5, and 7, the dispensing control assembly 36 includes a housing 361, a rotary cylinder 362, a swing rod 363, a sliding slot 364, a valve seat 365, a valve cover 366, a valve core 367, a support rod 368, and a driving lever 369, wherein the housing 361 is installed on the right side of the outer wall of the tank 31 along the up-down direction; the rotary cylinder 362 is installed at the front center position of the outer shell 361, the rotary cylinder 362 is electrically connected with the pressure switch 346, the rotary cylinder 362 is connected with a pneumatic system through an air pipe, and the rotary cylinder 362 drives the swing rod 363 to rotate clockwise or anticlockwise; the swing rod 363 is installed at the output end of the rotary cylinder 362, the swing rod 363 is located in an inner cavity of the outer shell 361, the upper end and the lower end of the front side and the lower end of the swing rod 363 are both provided with sliding grooves 364, and the supporting rod 368 is forced to move left and right by means of the swing rod 363; the number of the valve seats 365 is two, the two valve seats are respectively arranged on the right sides of the upper end and the lower end of the tank body 31, a funnel 5 is inserted into an inner cavity of the valve seat 365 positioned at the top, and the valve seat 365 positioned at the bottom is communicated with the reaction kettle 2 through a water pipe; the valve cover 366 is mounted on the right side wall of the valve seat 365; the valve core 367 is inserted into the inner cavity of the valve cover 366, the valve seat 365 is opened and closed through the valve core 367, and the valve seat 365 is opened and closed by drawing out or inserting the valve core 367; the support rod 368 is arranged at the right end of the valve core 367; the driving lever 369 is installed at the right end of the outer wall of the supporting rod 368, the driving lever 369 is inserted into an inner cavity of the sliding groove 364 in a plugging mode, the outer wall of the driving lever 369 is cylindrical, and when the swinging rod 363 swings, the driving lever 369 can be always in a fit state with the inner wall of the sliding groove 364 by utilizing a curved surface of the driving lever 369, so that shaking is prevented when the supporting rod 368 is driven to move;
raw materials enter from a funnel 5 and flow into the tank body 31 through the valve seat 365 at the top, the liquid level of the raw materials continuously rises, when the buoyancy of the raw materials forces the floating block 347 to float, the floating block 347 drives the pressing plate 348 to move to extrude the pressure switch 346, the pressure switch 346 is triggered by the action of pressure, and then the rotary cylinder 362 drives the swing rod 363 to rotate anticlockwise, because the sliding chute 364 is movably connected with the shifting rod 369, the swing rod 363 extrudes the supporting rod 368 at the top to move leftwards, the supporting rod 368 at the bottom to move rightwards, the valve core 367 at the top is inserted into the valve seat 365, the raw materials are not added into the tank body 31, the valve core 367 at the bottom is extracted from the valve seat 365, the raw materials pass through a water pipe from the valve seat 365 at the bottom to enter the reaction kettle 2, and the quantitative weighing of the raw materials is achieved.
Further, as shown in fig. 8 to 9, the exhaust gas treatment mechanism 4 includes a support 41, a discharge valve 42, a first motor 43, a filter cartridge 44, a heating wire 45, a connecting rod 46, a mesh cartridge 47, a spiral conveying rod 48, an adsorbent 49, a gas guide tube 410 and a gas discharge valve 411, wherein the support 41 is installed at the left side of the top of the reaction kettle 2; the discharge valve 42 is installed at the bottom end of the bracket 41, and the discharge valve 42 is opened to achieve the purpose of discharging the adsorbent 49 particles in the filter cylinder 44; the first motor 43 is installed at the center of the lower surface of the bracket 41; the filter cartridge 44 is mounted on the upper surface of the support 41; the heating wires 45 are embedded in the filter cylinder 44, and the heating wires 45 are distributed in the filter cylinder 44 from top to bottom to carry out omnibearing heating on the filter cylinder 44; the connecting rods 46 are at least three in number and are circumferentially and equidistantly arranged in the middle of the inner wall of the filter cylinder 44; the net drum 47 is arranged on the inner side of the connecting rod 46, and limits the storage state of the adsorbent 49 particles; the spiral conveying rod 48 is arranged at the output end of the first motor 43 and is inserted into the inner cavity of the net cylinder 47, and when the spiral conveying rod 48 rotates, the adsorbent 49 can be driven to move from bottom to top in the net cylinder 47; the adsorbent 49 is filled in the inner cavity of the filter cylinder 44; the number of the air ducts 410 is at least two, one end of each air duct is arranged at the bottom end of the outer wall of the filter cylinder 44 at equal intervals along the circumferential direction, the other end of each air duct is connected with the top of the reaction kettle 2, and a filter screen is arranged at the top of each air duct 410 to prevent the adsorbent 49 from entering the air ducts 410 and falling into the reaction kettle 2; the exhaust valve 411 is installed at the top center of the filter cartridge 44;
opening an exhaust valve 411, enabling hydrocarbon gas generated by chemical reaction in the reaction kettle 2 to enter a filter cylinder 44 through an air guide pipe 410, enabling a first motor 43 to drive a spiral conveying rod 48 to rotate, enabling the spiral conveying rod 48 to drive adsorbent 49 particles to move from bottom to top in a net cylinder 47, enabling the adsorbent 49 to flow down from the outer side of the net cylinder 47 when the adsorbent 49 exceeds the top of the net cylinder 47, achieving the circular motion of the adsorbent 49 from bottom to top, enabling the adsorbent 49 to be in full contact with exhaust gas when flowing, improving the effect of adsorbing hydrocarbon substances by the adsorbent 49, and exhausting the purified gas from the exhaust valve 411;
after the adsorbent 49 is saturated, the heating wire 45 is electrified to raise the temperature, the filter cylinder 44 is heated, the flowing adsorbent 49 is in contact with the filter cylinder 44, the adsorbent 49 is uniformly heated, the adsorbent 49 is in a heat absorption process, and substances adsorbed on the surface of the adsorbent 49 fall off, so that the adsorbent 49 is desorbed, and the adsorbent 49 is reused.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (8)
1. The utility model provides a polycarboxylate water reducing agent production ration material feeding device, includes reation kettle frame (1) and reation kettle (2), reation kettle (2) fixed connection is at the top of reation kettle frame (1), its characterized in that still includes:
the quantitative feeding mechanism (3) is arranged on the right side of the top of the reaction kettle (2);
the waste gas treatment mechanism (4) is arranged on the left side of the top of the reaction kettle (2);
the hopper (5) is inserted at the top of the quantitative feeding mechanism (3);
the quantitative feeding mechanism (3) comprises:
the tank body (31) is made of corrosion-resistant high polymer materials;
the three support legs (32) are circumferentially arranged on the lower surface of the tank body (31), and the support legs (32) are fixedly connected with the top of the reaction kettle (2);
the exhaust pipe (33) is arranged on the left side of the top of the tank body (31);
the liquid level regulating and controlling assembly (34) is arranged on the front side of the inner cavity of the tank body (31) along the vertical direction;
the observation assembly (35) is arranged on the front side of the tank body (31) along the vertical direction and corresponds to the liquid level regulation assembly (34);
the throwing control assembly (36) is installed on the right side of the outer wall of the tank body (31);
the level regulating assembly (34) comprises:
a support plate (341) installed at the front side of the inner cavity of the can body (31) in the up-down direction;
a second motor (342) installed at a top end of the support plate (341);
one end of the screw rod (343) is installed at the output end of the second motor (342), and the other end of the screw rod is connected with the bottom of the supporting plate (341) through a bearing;
the lifting plate (344) is in threaded connection with the outer wall of the screw rod (343), and the lifting plate (344) is sleeved on the outer wall of the supporting plate (341);
a permanent magnet (345) and a pressure switch (346) embedded in the front and rear ends of the lifting plate (344), respectively;
a floating block (347) rotatably mounted on the rear bottom end of the lifting plate (344) by a pin;
a pressure plate (348) is installed on the top of the front side of the floating block (347), and the position of the pressure plate (348) corresponds to the position of a pressure switch (346);
the limiting support (349) is arranged on the rear side of the bottom of the lifting plate (344), and the floating block (347) is limited by the limiting support (349);
the observation assembly (35) comprises:
a slide bar (351) which is installed on the front side of the outer wall of the tank body (31) along the vertical direction;
a volume scale (352) embedded at the front side of the slide bar (351) along the vertical direction;
and the sliding sleeve (353) can be sleeved on the outer wall of the sliding rod (351) in a vertically sliding manner, and the sliding sleeve (353) and the permanent magnet (345) are magnetically attracted.
2. A device for producing and dosing a polycarboxylate water reducing agent according to claim 1, characterized in that the surface area of the front side of the pressure plate (348) is equal to the surface area of the force bearing surface of the pressure switch (346).
3. The device for producing the quantitative feeding material of the polycarboxylate water reducer as claimed in claim 1, wherein the lower surface of the floating block (347) is at the same level with the lower surface of the sliding sleeve (353) when the floating block is horizontal.
4. A polycarboxylate water reducing agent production dosing device according to claim 1, characterized in that said dosing control assembly (36) comprises:
the shell (361) is arranged on the right side of the outer wall of the tank body (31) along the vertical direction;
a rotary cylinder (362) installed at the front center of the housing (361), the rotary cylinder (362) being electrically connected to the pressure switch (346);
the swing rod (363) is installed at the output end of the rotating cylinder (362), the swing rod (363) is located in an inner cavity of the shell (361), and the upper end and the lower end of the front side and the lower end of the swing rod (363) are both provided with sliding grooves (364);
the two valve seats (365) are respectively arranged on the right sides of the upper end and the lower end of the tank body (31), a funnel (5) is inserted into the inner cavity of the valve seat (365) positioned at the top, and the valve seat (365) positioned at the bottom is communicated with the reaction kettle (2) through a water pipe;
a valve cover (366) mounted on the right side wall of the valve seat (365);
the valve core (367) is inserted into the inner cavity of the valve cover (366), and the valve seat (365) is opened and closed through the valve core (367);
a support rod (368) mounted at the right end of the valve core (367);
and the shifting rod (369) is installed at the right end of the outer wall of the supporting rod (368), and the shifting rod (369) is inserted into the inner cavity of the sliding groove (364).
5. The quantitative feeding device for the production of the polycarboxylate water reducer as claimed in claim 4, wherein the deflector rod (369) is cylindrical in outer wall shape.
6. The polycarboxylate water reducing agent production ration feeding device of claim 1, characterized in that, the exhaust-gas treatment mechanism (4) includes:
the bracket (41) is arranged on the left side of the top of the reaction kettle (2);
a discharge valve (42) mounted at the bottom end of the support (41);
a first motor (43) installed at the center of the lower surface of the bracket (41);
a filter cartridge (44) mounted on an upper surface of the support (41);
a heating wire (45) embedded inside the filter cartridge (44);
the connecting rods (46) are at least three in number and are circumferentially and equidistantly arranged in the middle of the inner wall of the filter cylinder (44);
a net drum (47) installed inside the connection rod (46);
the spiral conveying rod (48) is arranged at the output end of the first motor (43) and is inserted into the inner cavity of the net barrel (47);
an adsorbent (49) filled in the inner cavity of the filter cartridge (44);
the number of the air ducts (410) is at least two, one end of each air duct is arranged at the bottom end of the outer wall of the filter cylinder (44) at equal intervals along the circumferential direction, and the other end of each air duct is connected with the top of the reaction kettle (2);
and the exhaust valve (411) is installed at the center of the top of the filter cylinder (44).
7. The quantitative feeding device for production of the polycarboxylate water reducer as claimed in claim 6, wherein a filter screen is mounted at the top of the gas guide pipe (410).
8. The quantitative feeding method of the quantitative feeding device for the production of the polycarboxylate superplasticizer according to any one of claims 1 to 7, comprising the following steps:
firstly, the weighing volume is adjusted according to the raw material proportion, the screw rod (343) is driven to rotate clockwise or anticlockwise through the second motor (342), the lifting plate (344) is driven to move upwards or downwards by the thread rotating force of the screw rod (343) under the limiting action of the supporting plate (341), and the sliding sleeve (353) is driven to move up and down along with the lifting plate (344) due to the magnetic attraction of the permanent magnet (345) and the sliding sleeve (353), until the volume of the scale on the volume scale (352) corresponding to the bottom of the sliding sleeve (353) is equal to the raw material amount to be weighed, so that the regulation and control of the weighing weight of the raw materials are realized;
step two, raw materials enter from a funnel (5), flow into a tank body (31) through a valve seat (365) at the top, the liquid level of the raw materials continuously rises, when buoyancy of the raw materials forces a floating block (347) to float, the floating block (347) drives a pressing plate (348) to move to extrude a pressure switch (346), the pressure switch (346) is triggered by pressure, a rotary cylinder (362) drives a swing rod (363) to rotate anticlockwise, the swing rod (363) extrudes the left side of a supporting rod (368) at the top and moves rightwards due to the fact that a sliding chute (364) is movably connected with a shifting rod (369), a top valve core (367) is inserted into the valve seat (365), the raw materials are not added into the tank body (31), the valve core (367) at the bottom is extracted from the valve seat (365), and the raw materials pass through a water pipe from the valve seat (365) at the bottom to enter a reaction kettle (2), and quantitative weighing of the raw materials is achieved;
step three, opening an exhaust valve (411), enabling hydrocarbon gas generated by chemical reaction in the reaction kettle (2) to enter a filter cylinder (44) through a gas guide pipe (410), driving a spiral conveying rod (48) to rotate by a first motor (43), driving particles of an adsorbent (49) to move from bottom to top in a net cylinder (47) by the spiral conveying rod (48), enabling the adsorbent (49) to flow down from the outer side of the net cylinder (47) when the adsorbent (49) exceeds the top of the net cylinder (47), realizing the circular motion of the adsorbent (49) from bottom to top, enabling the adsorbent (49) to be in full contact with waste gas when flowing, improving the effect of the adsorbent (49) on adsorbing hydrocarbon substances, and discharging purified gas from the exhaust valve (411);
and step four, after the adsorbent (49) is saturated, electrifying and heating the filter cylinder (44) through a heating wire (45), heating the flowing adsorbent (49) to be in contact with the filter cylinder (44), uniformly heating the adsorbent (49), enabling the adsorbent (49) to be in an endothermic process, and enabling substances adsorbed on the surface of the adsorbent (49) to fall off, so that the adsorbent (49) is desorbed, and the adsorbent (49) is reused.
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