CN219256031U

CN219256031U - Mortar mixing device and dry-mixed mortar station

Info

Publication number: CN219256031U
Application number: CN202320189033.XU
Authority: CN
Inventors: 于明勇; 李玉良; 陈永纪; 陈嘉誉
Original assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Current assignee: Xuzhou XCMG Schwing Machinery Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-27
Anticipated expiration: 2033-02-13

Abstract

The utility model belongs to the technical field of civil engineering equipment, and particularly relates to a mortar mixing device and a dry-mixed mortar station. The mortar mixing device comprises a dry sand bin, a dry sand scale, a cement bin, a powder bin, an additive bin, a cement additive mixing bin, a powder scale, an additive scale and a stirrer; the discharge ports of the cement bin and the powder bin are connected with the inlet of the powder balance; the discharge ports of the additive bin and the cement additive mixing bin are connected with an additive scale; the discharge hole of the dry sand bin is connected with a dry sand scale; and the discharge ports of the dry sand scale, the powder scale and the additive scale are connected with a stirrer. The utility model has the advantages of low equipment cost, accurate additive metering, uniform additive mixing and capability of meeting different mortar formulas.

Description

Mortar mixing device and dry-mixed mortar station

Technical Field

The utility model belongs to the technical field of civil engineering equipment, and particularly relates to a mortar mixing device and a dry-mixed mortar station.

Background

The dry-mixed mortar stirring station is an automatic device for automatically metering various raw materials (sand, cement, fly ash, additives and the like) according to a formula, mixing the raw materials by a forced stirrer, and producing finished mortar meeting the requirements, and generally consists of a raw material feeding system, a storage system, a metering device, a stirring system, a packaging system, a bulk system, a dust removing system and an electric system. The additive is a material for improving the workability, layering degree, strength, shrinkage, freezing resistance and other performances of the dry-mixed mortar, such as a water reducing agent, redispersible latex powder, a coagulant aid, fibers and the like, and generally has small dosage.

Along with the increase of dry-mixed mortar varieties and the improvement of quality requirements, the variety of powder additives is more and more, but about several kilograms are generally used in each ton of dry-mixed mortar, the metering accuracy requirement is +/-1%, namely that the error is +/-0.01 kg when 1kg of additive is metered, the weight of the additive metering scale is about 200kg, and the accuracy cannot be ensured due to factors such as vibration in the production process. And when the additive after metering is thrown into a stirring main machine, the situation of uneven stirring often exists due to the small proportion of the additive.

Patent number: 202220685837.4 an auxiliary stirrer is added, the additive and the fly ash are firstly metered and stirred, and then are added into a main stirrer together with dry sand, cement and the like for mixing and stirring. However, in the technical scheme, an auxiliary stirrer, a fly ash metering scale and an additive metering scale are additionally added, the equipment cost and the use and maintenance cost are correspondingly increased, the additive and the fly ash are premixed, the mixing proportion of the additive and the fly ash is set according to a single formula, and when the formula is replaced for production, the mixture cannot be used and needs to be cleaned.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the mortar mixing device and the dry-mixed mortar station, which have the advantages of low equipment cost, accurate additive metering, uniform additive mixing and capability of meeting different mortar formulas.

In order to solve the defects in the prior art, the technical scheme provided by the utility model is as follows:

a mortar mixing device comprises a dry sand bin, a dry sand scale, a cement bin, a powder bin, an additive bin, a cement additive mixing bin, a powder scale, an additive scale and a stirrer;

the discharge ports of the cement bin and the powder bin are connected with the inlet of the powder scale;

the discharge port of the additive bin and the cement additive mixing bin is connected with the additive scale;

the discharge hole of the dry sand bin is connected with the dry sand scale;

and the discharge ports of the dry sand scale, the powder scale and the additive scale are connected with the stirrer.

Preferably, the discharge port of the mixer is connected with the feed port of the cement additive mixing bin.

Preferably, the device further comprises an air delivery system; and a discharge port of the stirrer is connected with a feed port of the cement additive mixing bin through the pneumatic conveying system.

Preferably, the discharge port of the mixer is also connected with a packaging system and a bulk system.

Preferably, the device also comprises a third outlet valve I, a third outlet valve II and a third outlet valve III; the discharge port of the stirrer is connected with the packaging system and the bulk system through the third outlet valve I and the third outlet valve II, and is connected with the air conveying system through the third outlet valve I and the third outlet valve II.

Preferably, the cement bin and the powder bin are positioned above the powder scale; the additive bin and the cement additive mixing bin are positioned above the additive scale; the dry sand bin is positioned above the dry sand scale;

and the dry sand scale, the powder scale and the additive scale are positioned above the stirrer.

Preferably, the powder bin comprises a fly ash bin and a stone powder bin.

A dry-mixed mortar station comprises the mortar mixing device.

The utility model has the beneficial effects that:

the utility model is additionally provided with the cement additive mixing bin, and cement and additives are mixed, so that the utility model has the advantages of low equipment cost, accurate additive metering, uniform additive mixing and capability of meeting different mortar formulas.

Drawings

FIG. 1 is a schematic view of a mortar mixing device provided by the utility model;

wherein 1 is a cement bin; 2 is a powder balance; 3 is a stirrer; 31 is the outlet valve three; 32 is outlet valve III; 33 is outlet valve III; 4 is an air delivery system; 5 is an additive bin; 6 is a cement additive mixing bin; 7 is an additive scale; 8 is a fly ash bin; 9 is a stone powder bin; 10 is a packaging system; 11 is a bulk system.

Detailed Description

The utility model is further described below in connection with embodiments. The following embodiments are only for more clearly illustrating the technical aspects of the present utility model, and should not be used to limit the scope of the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment of the utility model provides a mortar mixing device, referring to fig. 1, which comprises a dry sand bin, a dry sand scale, a cement bin 1, a powder bin, an additive bin 5, a cement additive mixing bin 6 for containing a mixture of cement and additives, a powder scale 2, an additive scale 7 and a stirrer 3; the discharge ports of the cement bin 1 and the powder bin are connected with the inlet of the powder balance 2; the discharge ports of the additive bin 5 and the cement additive mixing bin 6 are connected with an additive scale 7; the discharge hole of the dry sand bin is connected with a dry sand scale; and the discharge ports of the dry sand scale, the powder scale 2 and the additive scale 7 are connected with the stirrer 3.

The arrangement of the dry sand bin and the dry sand scale is consistent with the prior art and is not shown in the figure.

The utility model is additionally provided with a cement additive mixing bin for containing cement and additive mixture. In the formal production, the amount of the mixture of the cement and the additive is calculated according to the amount of the additive, then the amount of the cement in the mixture of the cement and the additive is subtracted from the total amount of the cement to obtain the amount of the cement to be added, the amount of the cement to be added is added through a cement bin, the cement to be added is added into a stirrer after being measured through a powder scale, dry sand is added into the stirrer after being measured through a dry sand scale, powder such as fly ash is added into the stirrer after being measured through a powder scale, the mixture of the cement and the additive is added into the stirrer after being measured through an additive scale, and the mixture of the added powder such as the cement, the dry sand, the fly ash and the cement and the additive is uniformly mixed in the stirrer to obtain the product mortar.

According to the utility model, cement and additives are mixed, the proportion of cement in dry-mixed mortar powder is maximum, part of cement and additives are premixed, the rest is measured through a powder balance, when the formula is changed, only the amount of cement to be added is required to be adjusted, the use of the mixture of cement and additives is not affected, and therefore, the mixing requirements of different formulas can be met.

According to the utility model, the additive is premixed and diluted with the cement, the metering error is reduced by metering the addition amount of the mixture of the cement and the additive, and meanwhile, the premixing is also improved in stirring uniformity.

When the cement and the additive are mixed, the cement in the cement bin is metered by a powder balance and then is put into a stirrer, the additive in the additive bin is metered by the additive balance and then is put into the stirrer, and the cement and the additive are mixed and then are stored into a cement additive mixing bin. Therefore, no additional auxiliary stirrer or weighing scale is needed, and the equipment cost is low.

The number of the cement additive mixing bins can be set according to actual conditions. When a plurality of additives exist, the same number of cement additive mixing bins can be arranged for storing the mixture of cement and different additives, at the moment, before the actual production, the cement and the additives are mixed one by one and then stored in the cement additive mixing bins, the mode has universality, and when the mortar formula is replaced, the mixture of the cement and the additives can be directly used. For the use scene of fixed mortar formula, only one or a few cement additive mixing bins can be arranged, and cement and various additives are mixed in proportion for use, so that the process is simplified, and the equipment cost is reduced.

The outlets of the dry sand bin, the cement bin, the powder bin, the additive bin, the cement additive mixing bin, the dry sand scale, the powder scale, the additive scale, the stirrer and the like can be provided with one or more outlet valves according to the requirements, the outflow of materials is controlled by controlling the opening and closing of the valves, and the setting and the control of the valves belong to the prior art and are not described in detail.

In an alternative embodiment of the utility model, see fig. 1, the outlet of the mixer 3 is connected to the inlet of the cement additive mixing silo 6. The cement and the additive can be directly stored in a cement additive mixing bin after being mixed in a mixer.

In a preferred embodiment of the utility model, referring to fig. 1, the mortar mixing device further comprises an air delivery system 4; the discharge port of the mixer 3 is connected with the feed port of the cement additive mixing bin 6 through the pneumatic conveying system 4. The outlet of the air delivery system is provided with an outlet valve. The cement and the additive are mixed in a mixer and then are directly stored into a cement additive mixing bin through an air delivery system. The mode only needs to add one set of air conveying system on the equipment, and has simple process and high automation degree.

In an alternative embodiment of the utility model, see fig. 1, the discharge opening of the mixer 3 is also connected to a packaging system 10 and a bulk system 11.

In an alternative embodiment of the utility model, referring to fig. 1, the mortar mixing device further comprises an outlet valve III-31, an outlet valve III-32, and an outlet valve III-33; the discharge port of the mixer 3 is connected with the packaging system 10 and the bulk system 11 through a third outlet valve 31 and a third outlet valve 33, and is connected with the air delivery system 4 through a third outlet valve 31 and a third outlet valve 32. The discharge hole of the mixer is provided with a third outlet valve, and then the discharge hole is divided into two parts, wherein one part is connected with the gas delivery system and is provided with the third outlet valve, and the third outlet valve is used for inputting the mixed cement and the additive into the cement additive mixing bin through the gas delivery system; and the other path is connected with the packaging system and the bulk system and is provided with a third outlet valve for packaging by the packaging system or the bulk system after the product mortar is mixed.

In an alternative embodiment of the utility model, referring to fig. 1, the cement bin 1 and the powder bin are positioned above the powder balance 2; the additive bin 5 and the cement additive mixing bin 6 are positioned above the additive scale 7; the dry sand bin is positioned above the dry sand scale; the dry sand scale, the powder scale 2 and the additive scale 7 are positioned above the stirrer 3. The mode relies on the dead weight of material to realize the transmission of material, convenient and fast.

In an alternative embodiment of the utility model, referring to FIG. 1, the powder bin includes a fly ash bin 8 and a stone dust bin 9.

The utility model also provides a dry-mixed mortar station which comprises the mortar mixing device.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The mortar mixing device is characterized by comprising a dry sand bin, a dry sand scale, a cement bin, a powder bin, an additive bin, a cement additive mixing bin, a powder scale, an additive scale and a stirrer;

the discharge hole of the dry sand bin is connected with the dry sand scale;

2. The mortar mixing device of claim 1, wherein the discharge port of the mixer is connected to the feed port of the cement additive mixing bin.

3. A mortar mixing device according to claim 2, further comprising an air delivery system; and a discharge port of the stirrer is connected with a feed port of the cement additive mixing bin through the pneumatic conveying system.

4. A mortar mixing device according to claim 3, wherein the discharge port of the mixer is further connected to a packaging system and a bulk system.

5. The mortar mixing device of claim 4, further comprising a third outlet valve, a second outlet valve, and a third outlet valve; the discharge port of the stirrer is connected with the packaging system and the bulk system through the third outlet valve I and the third outlet valve II, and is connected with the air conveying system through the third outlet valve I and the third outlet valve II.

6. The mortar mixing device of claim 1, wherein the cement bin and the powder bin are positioned above the powder scale; the additive bin and the cement additive mixing bin are positioned above the additive scale; the dry sand bin is positioned above the dry sand scale;

7. A mortar mixing device according to claim 1, wherein the powder bin comprises a fly ash bin and a stone dust bin.

8. A dry-mixed mortar station comprising a mortar mixing device according to any one of claims 1-7.