CN207452208U - A kind of mixer Intensified support device - Google Patents

Abstract

The utility model discloses a kind of mixer Intensified support devices, including combination water injector and it is used to support the fixing bracket for combining water injector, the combination water injector includes only one for being passed through the water spray manifold of hot water or water vapour, and the water spray manifold is stretched into from the mixing drum feed inlet of mixer inside mixing drum；Injection point is distributed in the different positions of the water spray manifold in the longitudinal direction, and the injection point is disposed with distributive pipe, and each distributive pipe is separately installed with atomizer.The apparatus structure is reasonable, can significantly improve granulating efficiency (+3mm balls content), realizes the production of mixer Intensified support, improves bed permeability, meet the higher index request of sintering production, improves energy utilization rate.

Description

A kind of mixer Intensified support device

Technical field

The utility model is related to the raw material processing of the industries such as metallurgical, mining, particularly to ore deposit before sintering production Raw material carries out the second drum mixer of mixing granulation.

Background technology

Sinter is the main iron-containing charge of China blast furnace ironmaking production, China's Sintering Yield in 2016 more than 900,000,000 tons, In sintering production process, the quality of mixture granulation effect determines the gas permeability of sinter bed, and permeability of sintering material bed Quality again directly affect the usage factor of sintering machine and the power consumption of main exhauster, ensuring sintering process combustion front and biography On the premise of hot forward position is consistent, the gas permeability of sinter bed is better, and the usage factor of sintering machine is higher, and main exhauster power consumption is got over It is low.

Sintering production process uses two sections of mixing granulations at present, although certain granulating efficiency can be obtained, but still not Needs of the thickness of feed layer constantly promotion to sintering process gas permeability requirements can be met, under the conditions of common crude fuel, it is difficult to realize Deep bed sintering (>900mm) it is sintered.

As shown in Figure 1, the water injector of part mixer uses box beam form, 2 ＂ of water injector hangings are in mixing machine barrel On 3 ＂ of steel construction box beam penetrated through in vivo, the material pounding that 1 ＂ of steel wire rope and 2 ＂ of water injector are easy to be reversed whereabouts shakes Dynamic, when cylinder sizing occurs, after mixer actual inner diameter becomes smaller, material turning height increases, and hits the material number of steel wire rope Amount, weight and the frequency are increased sharply, and 1 ＂ of steel wire rope and 2 ＂ of water injector rock aggravation, after a certain period of time 2 ＂ of 1 ＂ of steel wire rope or water injector The impaired accident that will be broken of the position fatigue that overwhelms, prevents normal production disruption from continuing.Moreover, steel construction box Easy buildup, 3 ＂ of box beam are easily pressed down above 3 ＂ of beam, and mixer water injector steel wire rope is caused to break accidental shutdown, and is also held Industrial accident caused by the buildup in staff's cleaning box beam easily occurs.

As shown in Fig. 2, as an improvement water spray device for cylinder mixer, stretching into cylinder inner belt machine from feed inlet Front end in rack sets supporting rack 9', and stent 8' is set outside cylinder feed inlet, is pacified by stent 8' and supporting rack 9' Combination water injector is filled with, combines the structure of water injector to be installed with two water pipe 5' arranged side by side and one in casing 7' Sludge pipe 6', the forepart for stretching out the two water pipe 5' arranged side by side and sludge pipe 6' of casing 7' are all uniformly arranged hole for water spraying, The top for combining water injector is installed with the sparge pipe 4' that forepart is evenly equipped with hole for water spraying, sparge pipe by stent 8' and supporting rack 9' The length of 4' is longer than the length of water pipe 5', and main hangers 3', one end connection are set on the stent on installation sparge pipe 4' tops It the steel wire rope 2' of main hangers 3' its other end and is connected to the paying on hangers 12' of sparge pipe 4' front ends.

Although the device solves the problems, such as water injector shown in Fig. 1, but its spray orifice is directly opened on sparge pipe, spray The water gone out is in the form of a column current, and faciostenosis of spraying water, and wetting areas is small, and mix wetting degree is uneven.After one is blended grain Material has contained a certain amount of moisture, is present with wetting by the material that column current soak, the spherolite made reduces argillization Granulating efficiency and bed permeability are deteriorated, and soak insufficient material and will be unable to realize that mother bulb is grown up, and granulation, which improves, after water spray imitates Fruit is limited, it is impossible to embody two mixed effects.

In addition, the water pipe that the device employs three or more is sprayed water, water injector weight has not only been added, but also has caused to fill Put repair, replace it is cumbersome, and the making material of water injector be common iron, in process of production perishable get rusty and damage It is bad.

Therefore, how further to improve mixture granulation effect and improve the gas permeability of the sintering process bed of material, be ability Field technique personnel's technical issues that need to address.

Utility model content

The purpose of this utility model is to provide a kind of mixer Intensified support device.The apparatus structure is reasonable, can be notable Improve granulating efficiency (+3mm balls content), realize the production of mixer Intensified support, improve bed permeability, meet sintering production more High index request improves energy utilization rate.

To achieve the above object, the utility model provides a kind of mixer Intensified support device, including combining water injector Be used to support it is described combination water injector fixing bracket, it is described combination water injector include only one for be passed through hot water or The water spray manifold of water vapour, the water spray manifold are stretched into from the mixing drum feed inlet of mixer inside mixing drum；The water spray is total Injection point is distributed in the different position of pipe in the longitudinal direction, and the injection point is disposed with distributive pipe, each distributive pipe difference Atomizer is installed.

Preferably, the injection point on the water spray manifold is from the mixing drum nozzle to spraying water total pipe end along its length It is evenly distributed.

Preferably, in the injection point except starting injection point and end injection point in addition to, at least there are two injection point with The distributive pipe and atomizer are not provided with or do not enabled every the mode of 1~2 injection point, be provided with and enables described divide The injection point of water pipe and atomizer formed in the mixing drum concentration wetting section, be not provided with or do not enable the distributive pipe and The injection point of atomizer forms wetting spacer in the mixing drum.

Preferably, the fixing bracket includes supporting jointly solid outside the cylinder inner fixed support and cylinder of the combination water injector Fixed rack.

Preferably, the top of the water spray manifold is provided with head link inside the mixing drum, close to described The fixation link and the tensioning ring outside the mixing drum of head link, three is connected by steel wire rope plays auxiliary admittedly It is set for using.

Preferably, the gradient of the water spray manifold and the gradient of the mixing drum are consistent, and total length is less than Equal to 1/3rd of the mixing drum total length.

Preferably, distance of the atomizer apart from charge level is more than 0.5m.

Preferably, the diameter of the atomizer be 50mm~200mm, spray orifice pore size for 0.8mm~ 3mm。

Preferably, the atomizer or distributive pipe are equipped with protective cover.

Preferably, the internal diameter of the water spray manifold is more than the internal diameter of the distributive pipe, and the internal diameter size of the two meets institute When stating the water velocity in water spray manifold more than 1.0m/s, the water velocity in the distributive pipe is more than 1.5m/s.

The utility model is further improved the structure and spray mode of second drum mixer water injector, uses heat Water or vapor as water spray medium, can amplitude peak improve the temperature of sinter mixture, reach more than dew-point temperature, can With the overly moist phenomenon for substantially reducing moisture condensation in the bed of material and being formed, so as to mitigate the resistance of excessive moistening layer air-flow, improve the bed of material Gas permeability；The sinter mixture of different material granularity is made to have different degrees of raising to the yield of sinter after preheating；And It only has a water spray manifold, and sparge pipe quantity is few, light-weight, for ease of maintenaince and replaces, while is carried out using atomizer Water spray, atomizing effect is good, and atomized water flow velocity is high, and wetting areas is big, and mix wetting is uniform, and mix wetting can be made more reasonable, So as to which mixture granulation effect be greatly improved, realize the production of mixer Intensified support, improve bed permeability, meet sintering Higher index request is produced, improves energy utilization rate.In addition, water injector is not easy to be rocked by material pounding, steel can be prevented The problem of cord is broken and water injector is broken ensures the service life and functional reliability of equipment.

In a kind of preferred embodiment, it is not provided with using the injection point in selection or does not enable distributive pipe and atomizer, it can Concentration wetting section and wetting spacer are formed in mixing drum according to material itself granulation characteristic, wherein, concentration wetting section can make Mother bulb increases humidity in the reasonable scope, the condition of fast growth is provided, when wetting spacer is grown up for mother bulb and compacting provides Between, for next section wetting is concentrated to provide quality higher mother bulb, so as to fulfill+3mm ball contents are significantly increased, further improve object Expect gas permeability.

Description of the drawings

Fig. 1 is that the water injector of mixer uses the structure diagram of box beam form；

Fig. 2 is the water injector of mixer using the structure diagram of more sparge pipes；

Fig. 3 is a kind of structure diagram of mixer Intensified support device disclosed in the utility model embodiment；

Fig. 4 is the position relationship schematic diagram of mixer Intensified support device and mixing drum shown in Fig. 3；

Fig. 5 is the first nozzle position schematic diagram；

Fig. 6 is second of nozzle position schematic diagram；

Fig. 7 is the third nozzle position schematic diagram；

Fig. 8 is the 4th kind of nozzle position schematic diagram；

Fig. 9 is the structure diagram of nozzle；

Figure 10 is the A direction views of Fig. 9；

Figure 11 is the first concentration wetting section and the distribution schematic diagram for soaking spacer；

Figure 12 is second of distribution schematic diagram for concentrating wetting section and wetting spacer；

Figure 13 is the third concentration wetting section and the distribution schematic diagram for soaking spacer.

In Fig. 1：

1 ＂ steel wire ropes, 2 ＂ water injectors, 3 ＂ box beams

In Fig. 2：

The main hangers 4'. sparge pipes 5'. water pipes 6'. sludge pipes 7'. casings 8'. of 1'. cylinder 2'. steel wire ropes 3' Stent 9'. supporting rack 10'. belt feeder rack 11'. fixing pieces 12'. pays hangers 13'. suspender member 14'. nozzles

Fig. 3 is into Figure 13：

5. tensioning rings of manifold, 6. steel wire 1. 2. belt feeder rack of exterior fixing rack, 3. inner fixed supports 4. are sprayed water 7. distributive pipe, 8. protective cover 9. of restricting fixes 10. head link of link, 11. atomizer

Specific embodiment

In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the accompanying drawings and it is embodied The utility model is described in further detail for mode.

Herein, the terms such as " upper and lower, inside and outside " are the establishments based on position relationship shown in the drawings, with reference to the accompanying drawings Difference, corresponding position relationship is also possible to change therewith, therefore, can not be understood as to the exhausted of protection domain To limiting；Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relation or Sequentially.

Permeability of sintering material bed is very important state parameter in sintering process, and reflecting sinter bed allows gas to lead to The complexity crossed has close relationship with the structure of the bed of material.Flow condition and changing rule of the gas in sinter bed Mass transfer, heat transfer and the physical-chemical reaction of sintering process are influenced, therefore permeability of sintering material bed determines that sintering process is smooth The complexity of progress influences the yield and quality index of sinter.Meanwhile the quality of gas permeability affects the stabilization of sintering end point, Gas permeability is excessively good, and sintering end point is advanced, poor air permeability, sintering end point hysteresis.Therefore, only stablize and improve bed permeability, Ability stable sintering terminal, and then stable sintering process, realize high-quality, high yield and low consumption.So the control of sintering process moisture should Centered on gas permeability, i.e., good permeability when, stability contorting mixture moisture；During poor air permeability, according to gas permeability model, adjust Moisture improves gas permeability so that sintering process is stable, high-yielding.

To meet the higher index request of sintering production, energy utilization rate is improved, the present embodiment utilizes sintering plant surplus heat Water or steam are to as sintering second drum mixer granulation water spray medium, passing through optimization water spray position, water spray and water injector knot Structure realizes the production of mixer Intensified support.

It please refers to Fig.3, Fig. 4, Fig. 3 is a kind of structure of mixer Intensified support device disclosed in the utility model embodiment Schematic diagram；Fig. 4 is the position relationship schematic diagram of mixer Intensified support device and mixing drum shown in Fig. 3.

In a kind of specific embodiment, mixer Intensified support device provided by the utility model, mainly by combining Water injector and the fixing bracket composition for being used to support combination water injector, wherein, combination water injector is provided only with one and is used for The water spray manifold 4 of hot water or steam is passed through, water spray manifold 4 is stretched into from the mixing drum feed inlet of mixer inside mixing drum, is sprayed water Injection point is distributed in the different positions of manifold 4 in the longitudinal direction, and injection point is disposed with distributive pipe 7, each 7 head of distributive pipe difference Atomizer 11 is installed, hot water spray is sprayed with mist, is equipped with and is fixed on distributive pipe 7 above atomizer 11 Protective cover, to protect atomizer 11, avoiding atomizer 11,11 quantity of atomizer and location arrangements can appoint by material pounding Meaning combination, cooperation property of raw material carry out reasonable Arrangement, and atomizer 11 can be connected with distributive pipe 7 with screw thread.

The gradient of manifold 4 of spraying water and the gradient of mixing drum are consistent, and total length is less than or equal to mixing drum overall length / 3rd of degree, distributive pipe 7 and the angle of water-main 4 can be adjusted arbitrarily, ensure the water spray wetting uniformity, water spray manifold's 4 Internal diameter is more than the internal diameter of distributive pipe 7, and the internal diameter size of the two can be adjusted as needed, during work, the water sprayed water in manifold 4 Flow velocity degree is more than 1.0m/s, and the water velocity in distributive pipe 7 is more than 1.5m/s.

Cylinder inner fixed support 3 is set from the front end that feed inlet is stretched into mix cylinder inner belt machine rack in material, Cylinder exterior fixing rack 1 is set outside cylinder feed inlet, combination spray is installed with by cylinder inner fixed support 3 and cylinder exterior fixing rack 1 Water installations combine water injector and are supported jointly by cylinder inner fixed support 3 and cylinder exterior fixing rack 1.

The top of water spray manifold 4 is provided with the head link 10 inside mixing drum, the fixed extension close to head link Ring 9 and the tensioning ring 5 outside mixing drum, three is connected by steel wire rope 6 plays auxiliary fixation, avoids under material Fall the strike to water pipe to rock.

Spray water manifold 4 at cylinder external fixing rack position with outside feed pipe to be bolted, 360m²It is mixed that sintering machine corresponds to two Water gross mass is no more than 60kg in the water-main 4 of mixing drum, distributive pipe 7, atomizer 11 and pipe, dismantle, repair it is more convenient.

It refer to shown in Fig. 5 to Figure 10, Fig. 5 is the first nozzle position schematic diagram；Fig. 6 illustrates for second of nozzle position Figure；Fig. 7 is the third nozzle position schematic diagram；Fig. 8 is the 4th kind of nozzle position schematic diagram；Fig. 9 is the structure diagram of nozzle； Figure 10 is the A direction views of Fig. 9.

As shown in the figure, atomizer 11 can be selected patent publication No. by 202105629 U of CN utility model patent public affairs " a kind of aerial fog water jet " opened, to prevent nozzle from blocking, spray orifice internal diameter is changed to 0.8mm~3mm by 0.5mm~0.8mm, Ensure atomizer apart from charge level height in more than 0.5m simultaneously, it is ensured that enough wetting faces.

According to mixing doses size, various sizes of atomizer 11 may be selected, but jet diameters should not be too large, and nozzle is straight Footpath is excessive easily to be rocked by material pounding, and the utility model designs 11 size of atomizer as 50mm~200mm, the atomization of recommendation A diameter of 150mm of nozzle 11.

From the section view of mixing drum, the water spraying direction of atomizer 11 both can also may be used vertically downward (see Fig. 5) On the right side of being partial to left side (see Fig. 6) or be partial to (see Fig. 7), can also be partially deflected on the right side of left part is partial to (see Fig. 8), in fig. 8, the 1st~No. 3 atomizer is partial to left side, and 4-7 atomizers are partial to right side.

1 to Figure 13 is please referred to Fig.1, Figure 11 is the first concentration wetting section and the distribution schematic diagram for soaking spacer；Figure 12 Wetting section is concentrated for second and soaks the distribution schematic diagram of spacer；Figure 13 is the third concentration wetting section and wetting spacer Distribution schematic diagram.

As shown in the figure, from mixing drum nozzle to 4 ends of water spray manifold, average mark is furnished with 6~7 injection points along its length, Respectively 1., 2., 3., 4., 5., 6., 7., each injection point arranges 1~2 distributive pipe 7, and each distributive pipe 7 configures a mist Change nozzle 11.

Here the point position that injection point is for only for ease of description and defines, being not offered as injection point will necessarily spray water, only Having after injection point perforate and distributive pipe 7 and atomizer 11 being installed, injection point can just have the function of to spray water to mineral aggregate, and And according to actual needs, the quantity of injection point can also be increased or decreased further, such as be reduced to 6 or increased to 8, Etc..

More than 7 injection points can all install distributive pipe 7 and atomizer 11 (see Fig. 3) additional, can also be according to material system Grain characteristic arrangement distributive pipe 7 and atomizer 11, layout rules are：In injection point except starting injection point and end injection point with Outside, at least it is not provided in a manner of the injection point of 1~2, interval there are two injection point or does not enable distributive pipe 7 and atomizer 11, Be provided with and enable distributive pipe 7 and the injection point of atomizer 11 formed in the mixing drum concentration wetting section, do not set Put or do not enable distributive pipe 7 and the injection point of atomizer 11 formed in mixing drum wetting spacer.

Such as：In fig. 11,1. 2., 4. 5., 7. injection point is provided with distributive pipe 7 and atomizer 11, is formed and concentrates profit Wet section, 3., 6. injection point is not provided with distributive pipe 7 and atomizer 11, forms wetting spacer；In fig. 12,1., 3., 5., 7. injection point is provided with distributive pipe 7 and atomizer 11, is formed and concentrate wetting section, 2., 4., 6. injection point is not provided with distributive pipe 7 and atomizer 11, form wetting spacer；In fig. 13,1., 3., 4., 6., 7. injection point is provided with distributive pipe 7 and atomization Nozzle 11 forms and concentrates wetting section, and 2., 5. injection point is not provided with distributive pipe 7 and atomizer 11, forms wetting spacer.

The variation of the utility model injection point during 7 arranged for interval of distributive pipe, concentrates wetting section that can make mother bulb in zone of reasonableness Interior increase humidity provides the condition of fast growth, and wetting spacer is grown up for mother bulb and compacting provides the time, improves bead grain size And intensity, it avoids mixture wetting excessive, for next section wetting is concentrated to provide quality higher mother bulb, so as to fulfill being significantly increased + 3mm ball contents further improve material gas permeability.

It is tested in a manner of the arranged for interval shown in Figure 11,Make on the mixed mixing drum of sintering two With the Intensified support device, inventory 756t/h, raw material moisture after one is mixed is 6.2%, two it is mixed need water spray as 5.7t/h, Two mixed Granulation times are 4.3min, and hot water temperature is 90 DEG C, and atomizer arrangement is 1. 2., 4. 5., 7., atomizer is big It is small for 150mm, spray orifice aperture 1.0mm, water flow velocity is 1.9m/s at spray nozzle, and the mix wetting face of each nozzle is a diameter of 800mm.Spray water total bore 30mm, water flow velocity 2.2m/s, distributive pipe internal diameter 10mm, water flow velocity 4.0m/s.Embodiment and Comparative example result is as shown in table 1, table 2.

The mixed variation for increasing the front and rear mixing material granularity of atomized water of table 1 two

	Two it is mixed before+3mm contents/%	Two mixed rear+3mm contents/%	+ 3mm grades increasing degree/%
				Before transformation	48.57	51.57	3.00
After transformation	48.57	61.06	12.49

The variation of mixture temperature before and after the mixed increase atomized water of table 2 two

	Two mixed preceding mixture temperatures/DEG C	Two mixed rear mixture temperatures/DEG C	Temperature increasing degree/DEG C
				Before transformation	20	20	0
After transformation	20	24.64	4.64

In theory, effect of the mixture moisture in sintering process includes：

(1) in sintering process, moisture can absorb surplus heat, prevent from being sintered too early, play the adjustment effect of heat.

(2) because of moisture evaporation when adding water that can make furnace charge balling-up, while being sintered, furnace charge is made to become cellular, it is equal convenient for air It is even by, improve furnace charge air permeability.

(3) granular material is prevented to be entrained by the flow of air and block pipeline, improves working environment, reduces the loss of material.

As it can be seen that appropriate water content can be such that concentrate and back powder mutually bonds, allow moisture fully penetrated to inside furnace charge with Ensure good gas permeability, when each material is suitably moistened to a certain extent, there is minimum bulk density, i.e., this humidity makes Material has maximum volume, that is, best gas permeability, and the granulation effect of material is maximum at this time.

The utility model using hot water or vapor as water spray medium, can amplitude peak improve the temperature of sinter mixture Degree, reaches more than dew-point temperature, the overly moist phenomenon that can be substantially reduced moisture condensation in the bed of material and be formed, so as to mitigate The resistance of wet layer air-flow improves the gas permeability of the bed of material；Make the sinter mixture of different material granularity preheat after production to sinter Amount has different degrees of raising.

In practical application, the granulating moisture needed for characteristic that can be pelletized according to material itself requires and goes out a mixed rear material water sorting Result set Computer feedback is surveyed, confluent is controlled by computer software, realizes the accurate control of water spray.

It is preferable to use plant area is self-produced or superfluous hot water, steam are as water spray medium for the utility model, it is desirable that medium temperature ＞ 80℃.It is computed, in 360m²When making water spray medium using 90 DEG C of hot water on two mixed mixing drums of sintering machine correspondence, temperature of charge carries It is 2~5 DEG C high, ton 0.4~1.0kgce of sinter mark coals can be reduced.The utility model technique uses hollow nozzle, sprays water as atomization Effect is good, and atomized water flow velocity is high, and wetting areas is big, and mix wetting is uniform.In addition, water injector can be all using (except steel wire rope Stainless steel wear-resistant material makes outside), it is ensured that water injection system, which is not corroded, gets rusty and damage, and influences productivity.

Above-described embodiment is only the preferred embodiment of the utility model, is specifically not limited thereto, on this basis can basis Actual needs is made with targetedly adjusting, so as to obtain different embodiments.For example, when required water spray is excessive, It is not excluded for increasing possibility of water-main quantity, etc..Since mode in the cards is more, just no longer illustrate one by one here It is bright.

The technological design of the utility model is reasonable, and apparatus structure is more excellent, is no longer shaken in guarantee water injector by material pounding It is dynamic, on the basis of the service life extension of equipment and reliability raising, make mix wetting more reasonable, be greatly improved mixed Material granulating efficiency is closed, the water injector facility of the trommel mixer equipment fed in cylinder is stretched into suitable for current belt great wheel, Different cylinder specifications can root Ju the design principle combination concrete condition be applied, especially for high Iron concentrate rate sintering condition Under easily sizing mixing machine equipment, application prospect is particularly wide.

Mixer Intensified support device provided by the utility model is described in detail above.It is used herein Specific case is set forth the principle and embodiment of the utility model, and the explanation of above example is only intended to help to manage Solve the core concept of the utility model.It should be pointed out that for those skilled in the art, this reality is not being departed from On the premise of with new principle, can also to the utility model, some improvement and modification can also be carried out, these improvement and modification are also fallen into In the protection domain of the utility model claims.

Claims (10)

1. a kind of mixer Intensified support device including combination water injector and is used to support the fixation for combining water injector Stent, which is characterized in that the combination water injector includes only one for being passed through the water spray manifold of hot water or water vapour, described Water spray manifold is stretched into from the mixing drum feed inlet of mixer inside mixing drum；The different positions of the water spray manifold in the longitudinal direction It puts and injection point is distributed with, the injection point is disposed with distributive pipe, and each distributive pipe is separately installed with atomizer.

2. mixer Intensified support device according to claim 1, which is characterized in that the injection point on the water spray manifold It is evenly distributed along its length from the mixing drum nozzle to total pipe end of spraying water.

3. mixer Intensified support device according to claim 2, which is characterized in that except starting water spray in the injection point Beyond point and end injection point, at least two injection points in a manner of the injection point of 1~2, interval are not provided with or do not enable described point Water pipe and atomizer are provided with and enable the distributive pipe and the injection point of atomizer is formed in the mixing drum Concentrate wetting section, be not provided with or do not enable the distributive pipe and the injection point of atomizer is formed in the mixing drum soak between Compartment.

4. mixer Intensified support device according to claim 1, which is characterized in that the fixing bracket includes common branch Support the combination cylinder inner fixed support of water injector and cylinder exterior fixing rack.

5. mixer Intensified support device according to claim 4, which is characterized in that the top of the water spray manifold is set There is the head link being located inside the mixing drum, close to the fixation link of the head link and outside the mixing drum Tensioning ring, three is connected by steel wire rope plays auxiliary fixation.

6. mixer Intensified support device according to claim 1, which is characterized in that it is described water spray manifold gradient with The gradient of the mixing drum is consistent, and total length is less than or equal to 1/3rd of the mixing drum total length.

7. mixer Intensified support device according to claim 1, which is characterized in that the atomizer is apart from charge level Distance is more than 0.5m.

8. mixer Intensified support device according to claim 1, which is characterized in that the diameter of the atomizer For 50mm~200mm, spray orifice pore size is 0.8mm~3mm.

9. mixer Intensified support device according to claim 1, which is characterized in that on the atomizer or distributive pipe Equipped with protective cover.

10. according to claim 1 to 9 any one of them mixer Intensified support device, which is characterized in that the water spray manifold Internal diameter be more than the distributive pipe internal diameter, and the internal diameter size of the two meet it is described water spray manifold in water velocity be more than During 1.0m/s, the water velocity in the distributive pipe is more than 1.5m/s.