CN213032432U

CN213032432U - Cement grinding aid cooling arrangement with edulcoration function

Info

Publication number: CN213032432U
Application number: CN202021819302.9U
Authority: CN
Inventors: 王秀贵
Original assignee: Changsha Bao Bao Building Materials Additives Co ltd
Current assignee: Changsha Bao Bao Building Materials Additives Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-23
Anticipated expiration: 2030-08-27

Abstract

The utility model provides a cement grinding aid cooling arrangement with impurity removal function, it includes support, feed cylinder, rabbling mechanism, the top of feed cylinder is equipped with the top cap of sealing connection, the section of thick bamboo wall of this feed cylinder adopts the bilayer structure who contains the cooling chamber, and is equipped with the cooling coil pipe in the feed cylinder and communicates with section of thick bamboo wall cooling chamber; the stirring mechanism comprises a rotating shaft and a speed regulating motor, the lower end of the rotating shaft extends into the charging barrel, and blades are arranged on the outer circular surface of the rotating shaft; an impurity removal tank is arranged on one side of the end face of the top cover, a coarse filter screen and a fine filter screen are sequentially arranged in the tank body in an inclined mode from top to bottom, and a side door is connected to one side of the tank body in a sealing mode; the structure that the impurity removal tank is arranged on the top cover of the charging barrel is adopted, and the integrated continuous production of impurity removal and cooling can be realized, so that the defect of low operation efficiency in the prior art is overcome, and the problems of low cooling speed and poor cooling effect are solved by combining an internal and external cooling structure that a cooling coil is arranged in the charging barrel and a cooling cavity is arranged on the barrel wall; it is widely suitable for the matched use of the impurity removal and cooling operation of materials.

Description

Cement grinding aid cooling arrangement with edulcoration function

Technical Field

The utility model relates to a cement grinding aid production facility especially relates to a cement grinding aid cooling arrangement with edulcoration function.

Background

The cement industry is heavy industry and high energy consumption industry, the energy consumption of cement grinding occupies a great proportion in the whole production process, and most of cement enterprises in China use a ball mill to grind cement clinker, and the energy utilization rate is low, so a small amount of cement grinding aid is commonly added in the grinding process, the grindability of materials can be improved by adding the grinding aid, the cohesiveness and agglomeration among particles are reduced, the flowability of materials in the ball mill is improved, the grading of cement particles is optimized, the strength and the quality of cement are improved, and the purposes of saving energy, reducing consumption, improving quality and increasing yield are achieved.

At present, most of cement grinding aids in the market are mainly in liquid form and are mainly prepared by adding various organic components and inorganic components into a reaction kettle according to a specified proportion, heating, mixing and reacting; because the working environment of the cement grinding aid raw materials in the processes of production, storage, transportation and use is severe and impurity and dust are easy to adhere to the cement grinding aid raw materials, the cement grinding aid produced by the reaction kettle often contains impurities, precipitates, crystals and other insoluble matters, the quality and the using effect of the cement grinding aid are seriously influenced, and meanwhile, the cement grinding aid produced by the reaction kettle has high temperature and needs to be cooled, filled and stored; and current cement grinding aid cooling arrangement generally adopts the mode that sets up cooling jacket on the casing to carry out cooling to the cement grinding aid in the casing, consequently has cooling rate slow, the relatively poor problem of cooling effect, and the filtration edulcoration of cement grinding aid is in addition divided the arrangement mostly, influences the operating efficiency of whole production line.

Disclosure of Invention

In order to the above situation, the utility model aims to provide a cement grinding aid cooling arrangement with edulcoration function, it adopts the structure that is equipped with the edulcoration jar on the top cap of feed cylinder, can realize the edulcoration, the cooling integration continuous production, thereby overcome prior art and have the lower defect of operating efficiency, establish the inside and outside cooling structure who cools off the chamber with section of thick bamboo wall in the combination feed cylinder, it is slow to have solved cooling rate, the poor problem of cooling effect, overall structure scientific and reasonable, simple compactness, installation and convenient to use, market prospect is wide, and convenient to popularize and use.

In order to achieve the purpose, the cement grinding aid cooling equipment with the impurity removal function comprises a support, a charging barrel arranged on the support and a stirring mechanism matched with the charging barrel, wherein the charging barrel is in a round barrel shape, a top cover in sealing connection is arranged at the opening end of the top of the charging barrel, the barrel wall of the charging barrel adopts a double-layer structure, a cooling cavity is formed between the inner layer and the outer layer of the barrel wall, a cooling coil communicated with the cooling cavity of the barrel wall is coaxially arranged in the charging barrel, and a temperature sensor is further arranged on the barrel wall on one side of the charging barrel; the stirring mechanism comprises a rotating shaft and a speed regulating motor, the lower end of the rotating shaft extends into the charging barrel, blades are arranged on the outer circular surface of the rotating shaft, and the upper end of the rotating shaft extends out of the top cover and is connected with the output end of the speed regulating motor; one side is equipped with the edulcoration jar on the terminal surface of top cap, the edulcoration jar is including the feed inlet at jar body top, and in the conveying pipeline of jar body bottom extended into the feed cylinder through the top cap, jar internal coarse strainer and the fine filter screen that sets up to inclining in proper order down to and jar body one side sealing connection's side door.

In order to realize the optimization of the structure and the effect, the further measures are as follows: the lower end of the rotating shaft extends into the charging barrel and penetrates through the axial center of the cooling coil.

The paddle of the rotating shaft on the surface of the excircle at one end in the charging barrel is a radial arc-shaped blade.

The paddle that the pivot is located one end excircle surface in the feed cylinder is including setting up three groups, three groups of paddles are located cooling coil respectively and on the excircle surface of cooling coil upper and lower place pivot.

The inclined included angle between the coarse filter screen and the fine filter screen and the horizontal plane is 3-5 degrees.

The side door is positioned at one side of the bottom ends of the coarse filter screen and the fine filter screen which is connected with the tank body.

And a coolant inlet is formed in the upper end of one side of the charging barrel, and a coolant outlet is formed in the bottom end of the other side of the charging barrel.

The surface of feed cylinder is equipped with the insulating layer.

The heat insulation layer is formed by wrapping and pasting aluminum silicate cotton on the outer surface of the charging barrel.

The bottom of the charging barrel is conical, and a discharging hole is formed in the center of the bottom of the charging barrel.

The utility model discloses compare the produced beneficial effect of prior art:

the utility model (I) adopts the structure that the cooling coil is arranged in the charging barrel and the cooling cavity is arranged on the barrel wall, so that the material in the charging barrel can be cooled from inside and outside simultaneously, the heat exchange area of the material in the charging barrel can be increased, and compared with the structure that the cooling jacket is arranged on the shell in the prior art, the cooling time can be greatly shortened, thereby effectively improving the production efficiency, being beneficial to realizing uniform cooling inside and outside and ensuring good cooling effect;

(II) the utility model adopts the structure that the cooling coil in the charging barrel is communicated with the cooling cavity of the barrel wall, so that the integrated cooling control between the interior of the charging barrel and the barrel wall can be realized, and the stirring mechanism is combined to drive the material in the charging barrel to flow in an accelerated way, thereby further shortening the time for cooling and being beneficial to ensuring the uniform cooling and good cooling effect of the material in the charging barrel;

(III) the utility model adopts the structure that the thermal insulation layer is arranged on the outer surface of the charging barrel, so that the heat transfer between the cooling cavity of the barrel wall and the outside can be effectively isolated, the energy loss can be reduced, the utilization rate of the coolant can be effectively improved, the cooling effect can be greatly improved, the operation cost of the equipment can be greatly reduced, the whole structure is scientific and simple, and the installation and the use are convenient;

(IV) the utility model adopts the impurity removing tank arranged on one side of the end surface of the top cover of the charging barrel, and utilizes the coarse strainer and the fine strainer arranged in the impurity removing tank to carry out secondary filtration and impurity removal on the cement grinding aid material, thus solving the problem that the cement grinding aid produced by the reaction kettle often contains impurities, precipitates, crystals and other insoluble matters, and ensuring the quality of the finished cement grinding aid and the use effect of the cement grinding aid;

(V) the utility model discloses a be equipped with the structure of edulcoration jar on the top cap of feed cylinder, can realize edulcoration, cooling integration continuous production to overcome prior art and have the lower defect of operating efficiency, establish cooling coil and section of thick bamboo wall in the combination feed cylinder and establish the inside and outside cooling structure of cooling chamber, solved that cooling rate is slow, the poor problem of cooling effect, overall structure scientific and reasonable, simple compactness, installation and convenient to use have apparent economic benefits and social.

The utility model discloses extensively be applicable to liquid material edulcoration cooling operation and use in a complete set.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1-support, 11-universal wheel, 2-material cylinder, 21-coolant outlet, 22-heat insulation layer, 23-temperature sensor, 24-coolant inlet, 25-cooling coil, 26-discharge port, 3-top cover, 4-speed regulating motor, 5-impurity removing tank, 51-fine filter screen, 52-coarse filter screen, 53-feed port, 54-side door, 55-material conveying pipe, 6-rotating shaft and 61-paddle.

Detailed Description

Referring to fig. 1, the present invention is implemented as follows: a cement grinding aid cooling device with impurity removal function comprises a support 1, a charging barrel 2 arranged on the support 1 and a stirring mechanism assembled with the charging barrel 2, wherein the charging barrel 2 is in a round barrel shape, a top cover 3 in sealing connection is arranged at the opening end of the top of the charging barrel 2, the barrel wall of the charging barrel 2 adopts a double-layer structure, a cooling cavity is formed between the inner layer and the outer layer of the barrel wall, a cooling coil 25 communicated with the cooling cavity of the barrel wall is coaxially arranged in the charging barrel 2, and a temperature sensor 23 is further arranged on the barrel wall on one side of the charging barrel 2; the stirring mechanism comprises a rotating shaft 6 and a speed regulating motor 4, the lower end of the rotating shaft 6 extends into the charging barrel 2, a paddle 61 is arranged on the outer circular surface of the rotating shaft, and the upper end of the rotating shaft 6 extends out of the top cover 3 and is connected with the output end of the speed regulating motor 4; an impurity removal tank 5 is arranged on one side of the end face of the top cover 3, the impurity removal tank 5 comprises a feed inlet 53 at the top of the tank body, a feed delivery pipe 55 at the bottom of the tank body penetrates through the top cover 3 and extends into the charging barrel 2, a coarse filter screen 52 and a fine filter screen 51 which are obliquely arranged in the tank body from top to bottom in sequence, and a side door 54 which is hermetically connected with one side of the tank body; the bottom surface of support 1 is equipped with a plurality of universal wheels 11, utilizes universal wheel 11 to make things convenient for pushing equipment to shift the place to solved the problem that current cooling arrangement is immovable, inconvenient removal, made things convenient for the maintenance operation of equipment, universal wheel 11 generally takes arrestment mechanism certainly, during the operation, compresses tightly arrestment mechanism and can make universal wheel 11 keep motionless, is favorable to the stable work of whole equipment, when needs maintain equipment, then loosens arrestment mechanism, can promote whole equipment and shift to suitable place, conveniently carries out the maintenance of equipment and includes change, the cleaning operation of spare part.

Referring to fig. 1, in the present invention, the lower end of the rotating shaft 6 extends into the charging barrel 2 and passes through the axial center of the cooling coil 25, and the rotating shaft 6 is driven by the speed regulating motor 4 to operate, so as to conveniently realize the stirring operation of the materials in the charging barrel; the blades 61 of the rotating shaft 6, which are positioned on the outer circumferential surface of one end in the charging barrel 2, are radial arc-shaped blades, and the structure of the radial arc-shaped blades can push the material in the charging barrel to move in an accelerated manner along the axial direction, so that the swirling phenomenon is reduced, the cooling speed of the material in the charging barrel for heat exchange can be accelerated, and the uniform cooling is ensured; the paddle 61 that pivot 6 is located one end excircle surface in feed cylinder 2 is including setting up three groups, three paddle 61 of group are located cooling coil 25 respectively and cooling coil 25 on the excircle surface of below pivot 6, through setting up the stirring operation of the material in the promotion feed cylinder that three groups can be better, are favorable to improving the cooling rate, shorten the time of cooling to promote work efficiency, notice need leave certain clearance between paddle 61 and the cooling coil 25 during the installation, avoid cooling coil 25 to interfere the normal operating of paddle 61.

As shown in fig. 1, the bottom of the charging barrel 2 of the present invention is tapered, and the center of the bottom is provided with a discharging port 26, and a switch valve is generally arranged on the discharging port 26, so that after the material cooling operation is completed, the material can be discharged from the discharging port 26 by opening the valve, and the tapered bottom structure is provided to facilitate smooth and rapid discharge of the material, thereby being beneficial to reducing residue; a coolant inlet 24 is formed in the upper end of one side of the charging barrel 2, a coolant outlet 21 is formed in the bottom end of the other side of the charging barrel, coolant is continuously input into a cooling cavity of the barrel wall and a cooling coil 25 from the inlet, the material in the charging barrel 2 is cooled through heat exchange with the material in the charging barrel 2, then the coolant is discharged through the outlet, the cooling coil 25 is arranged in the charging barrel 2, so that the heat exchange area can be increased, the material in the charging barrel 2 can be cooled rapidly, and the coolant can adopt cooling liquid such as low-temperature cooling water or liquid ammonia; the surface of feed cylinder 2 is equipped with insulating layer 22, insulating layer 22 adopts the cotton parcel of aluminium silicate to paste and form in the surface of feed cylinder 2, sets up the section of thick bamboo wall that insulating layer 22 can keep apart feed cylinder 2 and external heat exchange, can improve the utilization ratio and the cooling effect of coolant to be favorable to the energy saving loss, reduction production running cost, aluminium silicate is novel green thermal insulation material, has nontoxic harmless, good sound characteristic of inhaling, safe and reliable, is fit for the thermal-insulated use of feed cylinder outward appearance heat preservation.

As shown in fig. 1, in the present invention, a temperature sensor 23 is disposed on a side wall of the charging barrel 2, and an induction head of the temperature sensor 23 should extend into the charging barrel 2, so that temperature information of the material in the charging barrel 2 can be collected by the temperature sensor 23 and transmitted to the control system, when the temperature of the material in the charging barrel 2 is lower than a set temperature range, the transportation of the coolant is controlled to stop, i.e., the cooling operation is stopped, the energy consumption can be effectively saved, and the operation cost of the cooling operation is reduced; the impurity removing tank 5 is internally provided with a coarse filter screen 52 and a fine filter screen 51 which are sequentially arranged from top to bottom in an inclined mode, the diameter of a filter hole of the fine filter screen 51 is smaller than that of the filter hole of the coarse filter screen 52, so that the fine filter screen can be separated and separated according to the particle diameter, the impurity removing effect of impurity separation and filtration can be effectively guaranteed through secondary filtration, and meanwhile, the impurity remaining on the filter screen can be conveniently cleaned through the inclined structure; the size of an inclined included angle between the coarse filter screen 52 and the fine filter screen 51 and the horizontal plane is 3-5 degrees, impurities remained on the filter screens can intensively roll to the bottom ends of the filter screens by setting a proper inclined angle, a side door 54 is arranged on one side, connected with the tank body, combining the bottom ends of the coarse filter screen 52 and the fine filter screen 51, cleaning and discharging the impurities remained on the filter screens by opening the side door 54, avoiding blocking the filter screens to influence the impurity removal and filtration operation, two side doors 54 can be arranged, and the impurities remained on the coarse filter screen 52 and the fine filter screen 51 can be conveniently and separately cleaned; the coarse filter screen 52 and the fine filter screen 51 are preferably made of stainless steel materials, and the stainless steel materials have the characteristics of good corrosion resistance and difficult rusting, and meanwhile, the mechanical strength is good, the impact resistance is strong, when the cement grinding aid rapidly enters the tank body from the feed inlet 53 at the top of the impurity removal tank 5, a certain impact pressure can be formed on the filter screens, the stainless steel filter screens can bear larger impact force and cannot be damaged, and meanwhile, the stainless steel filter screens cannot be corroded and damaged due to the penetration of the cement grinding aid, so that the service life of equipment is prolonged, the maintenance cost is reduced, and the operation cost is reduced; the impurity removal tank 5, the charging barrel 2, the top cover 3 and the rotating shaft 6 are generally preferably made of stainless steel materials including the blades 61, so that the equipment can be prevented from being easily damaged due to corrosion of cement grinding aids in work, the service life of the equipment is integrally prolonged, the maintenance cost is reduced, and the operation cost is reduced.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and the technical solution and the concept of the present invention should be replaced or changed equivalently, and all should be included in the scope of the present invention.

Claims

1. A cement grinding aid cooling device with an impurity removal function is characterized by comprising a support (1), a charging barrel (2) arranged on the support (1) and a stirring mechanism assembled with the charging barrel (2), wherein the charging barrel (2) is in a circular cylindrical shape, a top cover (3) in sealing connection is arranged at the opening end of the top of the charging barrel, the wall of the charging barrel (2) adopts a double-layer structure, a cooling cavity is formed between the inner layer and the outer layer of the wall of the charging barrel, a cooling coil (25) communicated with the cooling cavity of the wall of the charging barrel is coaxially arranged in the charging barrel (2), and a temperature sensor (23) is further arranged on the wall of one side of the charging barrel (; the stirring mechanism comprises a rotating shaft (6) and a speed regulating motor (4), the lower end of the rotating shaft (6) extends into the charging barrel (2), blades (61) are arranged on the outer circular surface of the rotating shaft, and the upper end of the rotating shaft (6) extends out of the top cover (3) and is connected with the output end of the speed regulating motor (4); one side is equipped with edulcoration jar (5) on the terminal surface of top cap (3), edulcoration jar (5) are including feed inlet (53) at jar body top, and in conveying pipeline (55) of jar body bottom and run through top cap (3) stretch into feed cylinder (2), jar internal coarse strainer (52) and fine filter screen (51) that set up from last to inclining in proper order down to and jar side door (54) of body one side sealing connection.

2. The cement grinding aid cooling device with impurity removing function according to claim 1, wherein the lower end of the rotating shaft (6) extends into the charging barrel (2) and penetrates through the axial center of the cooling coil (25).

3. The cement grinding aid cooling device with impurity removing function according to claim 2, wherein the blades (61) of the rotating shaft (6) positioned on the outer circumferential surface of one end in the charging barrel (2) are radial arc blades.

4. The cement grinding aid cooling device with impurity removing function according to claim 2, wherein the blades (61) of the rotating shaft (6) positioned on the outer circular surface of one end in the charging barrel (2) comprise three groups, and the three groups of blades (61) are respectively positioned in the cooling coil (25) and on the outer circular surface of the rotating shaft (6) above and below the cooling coil (25).

5. The cement grinding aid cooling device with impurity removing function according to claim 1, wherein the size of the inclined included angle between the coarse filter screen (52) and the fine filter screen (51) and the horizontal plane is 3-5 degrees.

6. The cement grinding aid cooling device with impurity removing function according to claim 5, wherein the side door (54) is positioned at one side of the bottom ends of the coarse filter screen (52) and the fine filter screen (51) which are connected with the tank body.

7. The cement grinding aid cooling device with impurity removing function according to claim 1, characterized in that the upper end of one side of the charging barrel (2) is provided with a coolant inlet (24), and the bottom end of the other side of the charging barrel is provided with a coolant outlet (21).

8. The cement grinding aid cooling device with impurity removing function according to claim 1, characterized in that the outer surface of the charging barrel (2) is provided with a heat insulating layer (22).

9. The cement grinding aid cooling device with impurity removal function according to claim 8, wherein the heat insulation layer (22) is formed by wrapping aluminum silicate cotton and adhering the aluminum silicate cotton to the outer surface of the charging barrel (2).

10. The cement grinding aid cooling device with the impurity removing function according to any one of claims 1 to 9, wherein the bottom of the charging barrel (2) is conical, and a discharge hole (26) is formed in the center of the bottom of the charging barrel.