CN205948715U - Mixing and stirring tank - Google Patents

Abstract

The utility model discloses a mixing and stirring tank has solved mixing uniformity and the not enough problem of sufficiency between raw materials liquid, and its technical scheme main points are, a mixing and stirring tank, including jar body and an agitating unit, agitating unit is including being fixed in the motor at the top of jar body, link to each other and arrange in with the motor the internal agitator of jar is still established including the cover the outer flow guide cover of agitator, flow guide cover's lower extreme is located the bottom of agitator with between the bottom of the jar body, flow guide cover is lower part open -ended cavity tube -shape and just is in it has a plurality of drainage holes to open on flow guide cover's the lateral wall, the water pump is installed to the bottom of the jar body, the exit linkage of water pump has vertical ascending straight tube, the utility model has the advantages of improve and mix sufficiency and homogeneity between raw materials liquid.

Description

Mixing and stirring tank

Technical field

This utility model is related to cement additire production technical field, particularly to a kind of mixing and stirring tank.

Background technology

In the grinding process of clinker, add a small amount of additional substance, mill efficiency or reduction can be significantly improved Energy consumption, but this chemical addition agent not damaging cement performance is commonly referred to as cement additire.

Cement additire is a kind of chemical addition agent improving cement grinding effect and performance, can significantly improve cement grinding mill Unit-hour output and each age strength of cement.It is existing that cement additire can be greatly lowered the Electrostatic Absorption bag ball being formed in grinding process As it is possible to reduce the coalescence trend again of the ultra-fine grain being formed in grinding process, reducing grinding phenomenon.Cement additire Also cement fluidity being significantly improved, improving the grinding efficiency of grinding machine and the grinding efficiency of powder concentrator, thus reducing grinding energy.

Wherein cement liquid additive is to be mixed through simple physical at normal temperatures and pressures by multiple organic and inorganic compound Close, its quality depends primarily on each component and constitutes with whether content is stable, and the unstable liquid water of quality Mud additive will directly influence the production cost of cement quality and cement.The synthesis of existing cement liquid additive generally exists Carry out in mixing and stirring tank, but because the order that raw material enters in mixing and stirring tank has successively, simultaneously by liquid additive The characteristic of itself is determined so that liquid easily produces layering in mixing and stirring tank, causes the mixing between raw material uneven Or insufficient, thus having influence on the stability of cement liquid additive, and then reduce cement quality.

For the problems referred to above, authorized announcement date March 25, the Chinese patent of Authorization Notice No. CN204220092U in 2015 Disclose a kind of mixing and stirring tank of liquid cement grinding additive, it is mainly by tank body, agitating device, mixing cover, mixing pump and spiral shell Coil forms, and wherein, agitating device includes motor and the shaft with motor connection, and the end of shaft is fixed with stirring paddle, And shaft is placed in tank body together with stirring paddle；Mixing cover is the hollow tube-shape of lower openings and is placed on outside shaft, and And mix between bottom and the bottom of tank body that the lower end of cover is located at stirring paddle；Mixing pump is fixed on the upper outside of mixing cover simultaneously And the outlet in mixing pump is connected with three way cock by bend pipe, other two of three way cock connects a serpentine pipe, spiral shell respectively Coil disk is connected on the outside of mixing cover and is entered in mixing cover and with diagonally downward by being opened in the pore at the middle part of mixing cover Direction setting.

Be provided with the technical scheme of above-mentioned patent mixing cover play guide shell effect so that stirring paddle discharge liquid Body is in the inside and outside formation axial circulation flowing of mixing cover, but because the rotating speed of stirring paddle is higher, liquid is in centrifugal force In the presence of pour into tank body inwall so that at the inwall of tank body liquid level rise, and serpentine pipe is only arranged on mixing diagonally downward In cover.As can be seen here, how to improve the mixing uniformity between raw material and adequacy need to study further.

Utility model content

The purpose of this utility model is to provide a kind of mixing and stirring tank, has the mixing uniformity improving between raw material and fills The advantage dividing property.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of mixing and stirring tank, including tank body and agitating device, described agitating device includes being fixed on the top of described tank body The motor in portion, it is connected with motor and is placed in the agitator in described tank body, also include the drainage hood being set in outside described agitator And the lower end of described drainage hood is located between bottom and the bottom of described tank body of described agitator, described drainage hood is opened for bottom Mouthful hollow tube-shape and some conduction holes are had on the side wall of described drainage hood；The bottom of described tank body is provided with water pump, institute The outlet stating water pump is connected with straight tube straight up.

Using such scheme, after starting agitating device, liquid is made axially and radially under the stirring paddle effect of high-speed rotation Motion, makees spiral motion, due to the effect of axial component velocity, liquid flows axially downward after liquid leaves stirring paddle, It is to turn back along the inwall of tank body when flowing to tank base again, returns stirring paddle, thus forming a kind of circulation overall flow, the opposing party Face, tangential-velocity component makes the liquid leaving stirring paddle drive the whole liquid in tank body to circle, this circular motion So that the liquid level being in stirring paddle center is recessed, consequently, it is possible to causing the lamination of liquid；

Be set in the drainage hood outside shaft play water conservancy diversion effect so that leave stirring paddle liquid a part along The inwall of drainage hood flows up, and a part is at the lower openings of drainage hood to the inwall direction flowing of tank body, now, water pump The raw material liq of the tank body lower part of suction ejects in the straight tube arranging straight up, produces with the liquid spreading to both sides Collide and mix, a part continues to the outside diffusion of drainage hood and the flowing axially upwards along drainage hood, another part enters Enter the flowing axially upwards also along drainage hood in drainage hood, the raw material liq outside drainage hood passes through to have on the wall of drainage hood side Conduction hole flow into drainage hood in and with drainage hood in the mutual collisional mixing of raw material liq；Meanwhile, the raw material liq in drainage hood By the conduction hole having on the wall of drainage hood side flow out to drainage hood outer and with drainage hood outside the mutual collisional mixing of raw material liq.

By said process, improve the adequacy of mixing and uniformity between raw material liq.

Preferably, described agitator is obliquely installed in described tank body.

Using such scheme, agitator is inclined in tank body and contributes to elimination and turn round and round phenomenon, and phenomenon of turning round and round is easy There is layering or the segregation phenomenon of liquid, therefore contribute to suppressing the generation of liquid layered phenomenon by being obliquely installed agitator.

Preferably, the axis of described straight tube is located in described drainage hood.

Using such scheme, the axis of straight tube is located at the former of the tank body lower part aspirating in drainage hood so that by water pump The injection by straight tube for the feed liquid body, a part and the raw material liq collisional mixing from drainage hood internal diffusion to inner tank wall, one Divide and the raw material liq collisional mixing in drainage hood, thus improve mixing between tank body lower part raw material liq and top raw material liq Adequacy.

Preferably, the top of described straight tube is less than the bottom of described drainage hood.

Using such scheme, the top of straight tube is less than the bottom of drainage hood, on the one hand reduce straight tube and agitator formed dry The probability relating to；On the other hand, during stirring, the raw material liq leaving stirring paddle expands stirring paddle to the inwall both sides of tank body Dissipate, the raw material liq part ejecting in the straight tube less than drainage hood bottom mixes to the liquid phase of both sides with expanding, and follows The raw material liq of diffusion is diffused into the outside of drainage hood and is mixed with the material liquid body phase outside drainage hood, then along drainage hood Flow axially upwards and flow in drainage hood from conduction hole and mix with the material liquid body phase in drainage hood；In addition, injection in straight tube Another part raw material liq going out is flowed up and is mixed with the material liquid body phase in drainage hood.

By said process, improve the adequacy of mixing between raw material liq.

Preferably, some arms are communicated with described straight tube.

Using such scheme, some arms that straight tube is communicated with are so that the material liquid that aspirated from tank body lower part by water pump Body sprays upwards from the different azimuth of tank body, thus improving between the raw material liq of tank body lower part and the raw material liq on tank body top Combination.

Preferably, described arm includes some arms being vertically arranged.

Using such scheme, the raw material liq of the tank body lower part that water pump is aspirated by arm straight up sprays straight up Mix with the raw material liq on tank body top, thus improving the mixing adequacy of upper and lower interlayer raw material liq.

Preferably, described arm also includes some horizontally disposed arms and some arms being obliquely installed.

The raw material liq horizontal-jet of tank body lower part water pump being aspirated using such scheme, horizontally disposed arm and with Positioned at the material liquid body phase mixing of this layer, the raw material liq of the tank body lower part that water pump is aspirated by the arm being obliquely installed tilts injection Mix with the material liquid body phase of many levels, thus improving the adequacy of mixing between each level raw material liq.

Preferably, multiple described arms are uniformly distributed around described straight tube.

Using such scheme, multiple arms are uniformly distributed around straight tube, improve between tank body each orientation raw material liq interior Mixing adequacy and uniformity.

Preferably, described conduction hole staggered on the side wall of described drainage hood.

Using such scheme, the conduction hole being interspersed is so that the raw material liq flowing in or out drainage hood from conduction hole exists Different loci forms eddy flow, thus improving the uniformity of mixing between raw material liq.

Preferably, described stirring paddle has multilamellar along the axial directional distribution of described shaft.

Using such scheme, the stirring paddle of Multi-layers distributing can stir the raw material liq of different levels simultaneously.

In sum, this utility model has the advantages that：

Shaft is obliquely installed to have and eliminates raw material liq and turn round and round the effect of phenomenon, thus suppress raw material liq layering existing As；The conduction hole energy that the drainage hood being sheathed with outside shaft plays the effect of guide shell and has on the side wall of drainage hood Enough guiding are flowed in drainage hood by conduction hole along the upper raw material liq of drainage hood, and produce with the raw material liq in drainage hood Raw mixing；Be arranged at simultaneously the water pump of tank base by the raw material liq of tank base be transported to tank body top and with tank body on The raw material liq in portion produces mixing, thus improving mixing adequacy and uniformity between raw material liq.

Brief description

Fig. 1 is the structural representation of the present embodiment；

Fig. 2 is mixing and stirring tank sectional view in axial direction；

Fig. 3 be in whipping process in tank body raw material liq flow to schematic diagram.

In figure：1st, tank body；2nd, agitating device；21st, motor；22nd, agitator；221st, shaft；222nd, stirring paddle；3rd, drain Cover；4th, conduction hole；5th, water pump；6th, straight tube；7 arms.

Specific embodiment

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but As long as all being protected by Patent Law in right of the present utility model.

A kind of mixing and stirring tank disclosed in the present embodiment, with reference to Fig. 1, including tank body 1 and the motor that is arranged on tank body 1 top 21；With reference to Fig. 2, motor 21 is connected with agitator 22 and agitator 22 is placed in tank body 1, agitator 22 includes shaft 221 and stirring paddle 222；Three stirring paddles 222 are provided with shaft 221 and three stirring paddles 222 are from the bottom of shaft 221 End arranges successively upwards, is carved with scale value on the axis body of shaft 221.

With reference to Fig. 2, the outside of shaft 221 is sheathed with drainage hood 3, and the top of drainage hood 3 is fixed on the inwall of tank body 1 On；Drainage hood 3 is the hollow tube-shape of lower ending opening, and has some staggered conduction holes on the side wall of drainage hood 3 4, the lower end of drainage hood 3 is located between bottom and the bottom of tank body 1 of shaft 221.

With reference to Fig. 2, in the bottom of tank body 1, water pump 5 is installed, the outlet of water pump 5 is communicated with two by three way cock and erects Directly straight tube 6 upwards, and the axis of straight tube 6 is located in drainage hood 3, is communicated with two and is horizontally disposed with every straight tube 6 Arm 7, and the outlet of two arms 7 is respectively facing the inwall direction of tank body 1, is also communicated with two inclinations on straight tube 6 Arm 7 upwards.

Work process：With reference to Fig. 3, motor 21 drives agitator 22 to rotate after opening, and the raw material liq in tank body 1 exists Under the drive of stirring paddle 222, occur radially, axially and circumferential movement, the raw material liq leaving stirring paddle 222 is to outside drainage hood 3 Diffusion is simultaneously upper along drainage hood 3, and the raw material liq of tank body 1 bottom is passed through straight tube 6 by water pump 5 simultaneously, arm 7 is transported to drain The bottom of cover 3, the raw material liq part that straight tube 6 ejects is mixed with producing to the raw material liq of external diffusion from drainage hood 3 bottom Close, another part raw material liq impacts the raw material liq in drainage hood 5 flowing axially upwards along drainage hood 5 upwards, draws Raw material liq outside stream cover 3 is flowed in drainage hood 3 from conduction hole 4 and is mixed with the material liquid body phase in drainage hood 3, in the same manner, drain Raw material liq outside cover 3 is mixed with the material liquid body phase outside drainage hood 3 from conduction hole 4 flows out to drainage hood 3；

The raw material liq of tank body 1 bottom is gone out by horizontally disposed arm 7 towards the direction horizontal-jet of tank body 1 inwall, and Mix with the material liquid body phase positioned at this layer；The raw material liq of tank body 1 bottom is tilted upward injection simultaneously by the arm 7 being obliquely installed Mix with multilamellar raw material liq.

By said process, the raw material liq on upper strata and the raw material liq of lower floor are sufficiently mixed, thus improving raw material liq Between mixing adequacy and uniformity.

Claims (10)

1. a kind of mixing and stirring tank, including tank body（1）And agitating device（2）, described agitating device（2）Including being fixed on described tank Body（1）Top motor（21）, and motor（21）It is connected and be placed in described tank body（1）Interior agitator（22）, it is characterized in that： Also include being set in described agitator（22）Outer drainage hood（3）, described drainage hood（3）Lower end be located at described agitator（22） Bottom and described tank body（1）Bottom between, described drainage hood（3）Hollow tube-shape for lower openings and in described drainage hood （3）Side wall on have some conduction holes（4）；Described tank body（1）Bottom water pump is installed（5）, described water pump（5）Outlet It is connected with straight tube straight up（6）.

2. mixing and stirring tank according to claim 1, is characterized in that：Described agitator（22）It is obliquely installed in described tank body （1）Interior.

3. mixing and stirring tank according to claim 2, is characterized in that：Described straight tube（6）Axis be located at described drain Cover（3）Interior.

4. mixing and stirring tank according to claim 3, is characterized in that：Described straight tube（6）Top be less than described drainage hood （3）Bottom.

5. mixing and stirring tank according to claim 4, is characterized in that：Described straight tube（6）On be communicated with arm（7）.

6. mixing and stirring tank according to claim 5, is characterized in that：Described arm（7）Include some be vertically arranged Arm（7）.

7. mixing and stirring tank according to claim 6, is characterized in that：Described arm（7）Also include some horizontally disposed Arm（7）With some arms being obliquely installed（7）.

8. mixing and stirring tank according to claim 7, is characterized in that：Multiple described arms（7）Around described straight tube（6）All Even distribution.

9. mixing and stirring tank according to claim 1, is characterized in that：Described conduction hole（4）Staggered in described drain Cover（3）Side wall on.

10. mixing and stirring tank according to claim 1, is characterized in that：Described stirring paddle（222）Along described shaft （221）Axial directional distribution have multilamellar.