CN2524820Y - Screw humidifying stirrer - Google Patents

Abstract

The utility model relates to a screw humidifying stirrer and pertains to the mixed operation machinery technological field. The technical problem to be solved comprises the following that dry ash and water can be fully mixed in a humidification machine and dry ash processing capability of the humidification machine can be improved correspondingly. The stirrer comprises a lying-typed cylinder body, a spiral augur, an ash inlet, an ash outlet, a water nozzle and a transmission device; the structural characteristics comprises that a bushing is embedded in the middle section of the cylinder body, the internal surface and the external surface of the bushing matches with the augur and the cylinder body, and the cross section of the bushing is gradually increased from front to back so that the middle section of the cylinder body forms a compressed stirring space with a thin front part and a crude back part and the bushing can be an integrated or a local surrounding structure. The utility model has the advantages that compression trend changing range is not limited by the structure, larger compression ratio can be achieved easily, the bushing has various structures and can easily match with single augur or double augurs as well as various cylinder bodies, and the bushing is easy to process and manufacture, etc. The utility model is suitable for use in various dry ash discharging system.

Description

The spiral wetting stirrer

Technical field

The utility model relates to mixture operation machinery, especially industry dry ash humidification exhaust apparatus such as metallurgy, electric power, boiler.

Background technology

The spiral wetting stirrer is mounted in the dust pelletizing systems such as metallurgy, electric power, boiler, and the dry ash that dust pelletizing system is collected adds water and stirs, avoid discharging with transportation in the treatment facility of reentrainment of dust.Its basic structure is that horizontal stack shell is provided with dry ash inlet, wet ash outlet and water spout, be provided with single in the stack shell or double joint spiral screw feeder, the spiral screw feeder is connected with supporting transmission device, and dry ash enters behind the stack shell and to be mixed into moistening shape with water to be discharged by outlet under the stirring of spiral screw feeder and axial advance.Chinese patent discloses a kind of " double helix Humidifying ash discharging machine " for No. 00232779, this machine structure is that two spiral screw feeder horizontal settings are in horizontal stack shell, spiral on two screw feeders stirs wing and is staggered, each screw conveyor shaft is positioned at stack shell interlude position and is front fine and rear thick shape, the stirring space of interlude is dwindled gradually, to strengthen mixing of dry ash and water, improve mixture homogeneity and reach disposal ability dry ash.The structure of this taper screw conveyor shaft, difficulty of processing is big, and screw conveyor shaft generally adopts hollow steel pipe to make, its front and rear sections zero draft, only interlude is that the hollow shaft of taper is processed difficult especially; In addition, limited by the overall structure of axle, the tapering of hollow shaft interlude only should be chosen within the specific limits, so compression trend is little, the space degree of control is limited, and the disposal ability of dry ash also is restricted; Also have, double helix screw feeder in this dust unloadnig apparatus adopts gear drive, the processing installation accuracy of gear is had relatively high expectations, the processing of spiral screw feeder and stack shell and installation accuracy are then corresponding lower, are difficult to harmonious coupling between the two, and the adjustment workload that complete machine assembling middle gear is installed is big, time-consuming bothersome, the gear drive problem appears in normal deviation because of aspects such as the installation site and the depth of parallelisms in the use, causes vibration and noise, thereby influences the reliably working of dust unloadnig apparatus.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of stirring space that can conveniently change between stack shell and the screw feeder, be easy to obtain bigger compression trend, dry ash and moisture are mixed fully, and the spiral wetting stirrer of corresponding raising dry ash disposal ability.

The alleged technical problem of the utility model realizes with following solution:

A kind of spiral wetting stirrer, it comprises horizontal stack shell 1 in constituting, be positioned at the spiral screw feeder 2 of stack shell, be positioned at ash inlet 3, ash discharging hole 4, water spout 5 and supporting transmission device on the stack shell, the horizontal setting of spiral screw feeder is in stack shell, its improvement is, in the stack shell interlude, inlay lining 6, sleeve inner surface and screw feeder coupling, outer surface and stack shell coupling, the cross section of lining increase progressively after by forward direction gradually, the stack shell interlude is formed before the thin compression stirring space in thick back, lining can be integral loop around structure, also can be the local linking structure.

Above-mentioned spiral wetting stirrer, described stack shell cross section is a U-shaped, described spiral screw feeder quantity is 2, double helix screw feeder arranged parallel in stack shell, spiral stirs wing and is staggered, described lining 6 is the local linking structure, is embedded in stack shell interlude top that the inner surface of lining 6 is a Gothic, the corresponding double helix screw feeder of two circular arcs difference, each arc radius successively decreases after by forward direction gradually, forms the taper circular arc.

Above-mentioned spiral wetting stirrer is installed baffle plate 17 between described stack shell interlude and the back segment, baffle plate contacts with lining 6.

Above-mentioned spiral wetting stirrer, the tapering of the taper circular arc of described lining 6 is 1: 6-1: between 15.

The pitch that above-mentioned spiral wetting stirrer, the spiral that described double helix screw feeder is positioned at the stack shell interlude stir wing increases progressively after by forward direction gradually, and the spiral that is positioned at the stack shell back segment stirs wing and is interrupted at interval and distributes, and it is reverse acting spiral that least significant end stirs wing.

Above-mentioned spiral wetting stirrer, the interrupted spiral that distributes in described interval stirs the wing termination wear-resisting scraper plate 7 is installed.

For improving transmission stability and being convenient to assembling, above-mentioned spiral wetting stirrer, described transmission device is a chain and sprocket driving device, it comprises motor 8, gearbox 9, chain-wheel box 10 and is arranged in drive sprocket 11, the driven sprocket 12 of chain-wheel box, driving and driven sprocket wheel wheel shaft is installed in respectively on output shaft of gear-box and the spiral screw feeder wheel shaft, and driving and driven sprocket wheel is in transmission connection by chain 13.

Above-mentioned spiral wetting stirrer, described driven sprocket are two-row structure, and described drive sprocket is four row's structures, and two row's chain gear transmission that each double driven sprocket is arranged in the structure drive sprockets by 2 chains and four are connected.

For making things convenient for the maintenance of bearing, above-mentioned spiral wetting stirrer, described stack shell is furnished with external frame 14, the frame two ends are respectively equipped with bearing block, stack shell is fixed between the diaxon bearing, the wheel shaft of described two spiral screw feeders respectively swivel bearing in bearing block.

The utility model adopts the lining inlay the cross section and to increase gradually in stack shell, makes the stack shell interlude form the design of compression trend, and existing relatively diminished shaft structural design has following significant technical advantage:

1. compression trend excursion is not subjected to structural limitations, is easy to obtain big compression ratio, can improve the stirring dynamics greatly, thereby dry ash is mixed fully with water, eliminated the phenomenon that is mingled with dry ash in the wet-milling, and corresponding raising fltting speed, disposal ability improved to dry ash;

2. bush structure is various informative, can be neatly carry out multiple combinations matches with list or twin screws and different shape cylindrical shell, can change by the lining of different length or tapering, and the variation of lining installation site, obtain multiple compression trend and effect, so adaptability is good, applied widely, can satisfy different fields of employment easily, the multiple user demand of different disposal medium;

3. abandoned the defective of diminished shaft processing trouble, processing and fabricating is easy;

4. lining can intercept contacting of stack shell and medium, makes stack shell protected from wear, erosion, so can prolong the service life of stack shell; In addition, lining is easy to make the porcelain goods, is easy to obtain high surface smoothness and hardness, thus be difficult for bonding dust in using, wear-resistant, and be easy to clean, change;

Except above-mentioned points, the utility model also has stable drive, uses advantages such as reliable, that assembling is easy to maintenance, suits to install and use in various dry ash exhaust systems.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is an A-A profile among Fig. 1;

Fig. 4 chain and sprocket driving device kinematic scheme;

Fig. 5 is the B-B profile among Fig. 2.

The specific embodiment

Consult Fig. 1,2, formation of the present utility model comprises horizontal stack shell 1, be positioned at the spiral screw feeder 2 of stack shell, the spiral screw feeder can be single, also can be double joint, and the cross section of stack shell can be circle, square, U-shaped, oblateness, rectangle etc. are various, stack shell is provided with ash inlet 3, ash discharging hole 4, water spout 5, and the spiral screw feeder is furnished with transmission device, and main improvement of the present utility model is to inlay lining in the stack shell interlude.The corresponding coupling of interior rotational circle of lining with the spiral screw feeder, and keep certain clearance, the identical coupling of the outer surface of lining and stack shell is so can there be multiple concrete shape; Lining can be integral loop around structure, also can be the local linking structure, specifically decide on handled medium and required compression trend, lining no matter integral body whether, its cross section all is by increasing progressively gradually behind the forward direction, can both making the stack shell interlude form front fine and rear thick compression stirring space, dry powder is compressed in stirring progradation, dust density increases, thereby the dry powder ash is mixed fully with water, and because of mixing and the increase of fltting speed improves disposal ability.

Still consult Fig. 1,2,3, in the illustrated embodiment, for making things convenient for the processing of stack shell, stack shell 1 is made up of the following stack shell and the horizontal loam cake 18 in U-shaped cross section, the quantity of spiral screw feeder 2 is 2, arranged parallel is in stack shell, the U-shaped circular arc of following stack shell and screw feeder rotational circle coupling, horizontal loam cake 18 is the dead angle area that is difficult for being stirred to the zone, right angle that the U-shaped vertical edge forms, lining 6 adopts the local linking structure, be embedded in the stack shell the first half that has dead angle area, the inner surface of lining 6 is a Gothic, and two circular arcs are the rotational circle of corresponding two spiral screw feeders respectively, and the radius of each circular arc successively decreases after by forward direction gradually, form the taper circular arc, tapering is 1: 6-1: between 15; The outer surface of lining 6 and horizontal loam cake 18 and U-shaped barrel coupling, ash inlet 3 is the stack shell interlude to the position between the ash discharging hole 4, and lining 6 is fixed on the horizontal loam cake 18 by screw, and the spiral on the double helix screw feeder 2 stirs wing and is staggered.

Still consult Fig. 1,2, in the illustrated embodiment, the corresponding ash inlet of the front end of double helix screw feeder partly is a feed auger, be positioned at the stack shell interlude and partly be agitating auger, the spiral of this section stirs wing, its pitch increases progressively after by forward direction gradually, can add strong mixing and prevent that wet ashes is bonded in spiral and stirs on wing and the screw conveyor shaft by improving axial advance speed, the spiral of back segment part stirs wing and is interrupted at interval distribution, can relax the axial advance speed of screw feeder, reinforcement impacts wet ashes, and terminal reverse acting spiral can make ashes compile to floss hole, is easy to discharging.

Consult Fig. 2, lining is that integral loop is when structure, the lining rear end face directly forms the baffle plate between stack shell interlude and the back segment, can prevent that the dry powder ash from entering back segment and forming reentrainment of dust: if during lining local linking structure, baffle plate 17 can be installed between stack shell interlude and back segment, preventing that the dry powder ash from entering back segment, and guarantee that the constricted zone of stack shell interlude, illustrated embodiment are like this.

Consult Fig. 2,5, wing revolves dozen great efforts, wearing and tearing increase because the interrupted at interval spiral that distributes stirs, so wear-resisting scraper plate 7 is equipped with in its termination, wear-resisting scraper plate material can be pottery or antifriction alloy material.

Still consult Fig. 1,2,4, in the illustrated embodiment, the double helix screw feeder adopts chain and sprocket driving device, and configure chassis 14, the motor 8 of chain and sprocket driving device, gearbox 9, chain-wheel box 10 are fixed on the front end of frame 14, drive sprocket 11, driven sprocket 12 are arranged in chain-wheel box 10, drive sprocket is installed on the output shaft of gear-box, driven sprocket is separately fixed on the wheel shaft of two spiral screw feeders 2, drive sprocket is four row's structures, driven sprocket is a two-row structure, and two row's chain gear transmission that each double driven sprocket is arranged in the structure drive sprockets by 2 chains 13 and four are connected; Frame 14 two ends are respectively equipped with bearing block 15, and stack shell 1 is fixed between the diaxon bearing, and the wheel shaft difference swivel bearing of two spiral screw feeders is in bearing block 15.

Claims (9)

1. spiral wetting stirrer, its formation comprises horizontal stack shell [1], is positioned at the spiral screw feeder [2] of stack shell, is positioned at ash inlet [3], ash discharging hole [4], water spout [5] and supporting transmission device on the stack shell, the horizontal setting of spiral screw feeder is in stack shell, it is characterized in that, in the stack shell interlude, inlay lining [6], sleeve inner surface and screw feeder coupling, outer surface and stack shell coupling, the cross section of lining increases progressively after by forward direction gradually, and lining can be integral loop around structure, also can be the local linking structure.

2. spiral wetting stirrer according to claim 1, it is characterized in that, described stack shell cross section is a U-shaped, and described spiral screw feeder quantity is 2, and double helix screw feeder arranged parallel is in stack shell, spiral on it stirs wing and is staggered, described lining [6] is the local linking structure, is embedded in stack shell interlude top that the inner surface of lining [6] is a Gothic, the corresponding double helix screw feeder of two circular arcs difference, each arc radius successively decreases after by forward direction gradually, forms the taper circular arc.

3. spiral wetting stirrer according to claim 2 is characterized in that, baffle plate [17] is installed between described stack shell interlude and the back segment, and baffle plate contacts with lining [6].

4. spiral wetting stirrer according to claim 4 is characterized in that, the tapering of the taper circular arc of described lining [6] is 1: 6-1: between 15.

5. according to the described spiral wetting stirrer of claim 1-5, it is characterized in that described spiral screw feeder is positioned at pitch that stack shell interlude spiral stirs wing and increases progressively gradually after by forward direction, the spiral that is positioned at the stack shell back segment stirs wing and is interrupted at interval distribution, and it is reverse acting spiral that least significant end stirs wing.

6. spiral wetting stirrer according to claim 5 is characterized in that, the interrupted spiral that distributes in described interval stirs the wing termination wear-resisting scraper plate 7 is installed.

7. spiral wetting stirrer according to claim 6, it is characterized in that, described transmission device is a chain and sprocket driving device, it comprises motor [8], gearbox [9], chain-wheel box [10] and is arranged in drive sprocket [11], the driven sprocket [12] of chain-wheel box, driving and driven sprocket wheel wheel shaft is installed in respectively on output shaft of gear-box and the spiral screw feeder wheel shaft, and driving and driven sprocket wheel is in transmission connection by chain [13].

8. spiral wetting stirrer according to claim 7, it is characterized in that, described driven sprocket is a two-row structure, and described drive sprocket is four row's structures, and two row's chain gear transmission that each double driven sprocket is arranged in the structure drive sprockets by 2 chains and four are connected.

9. spiral wetting stirrer according to claim 8, it is characterized in that described stack shell is furnished with external frame [14], the frame two ends are respectively equipped with bearing block, stack shell is fixed between the diaxon bearing, and the wheel shaft difference swivel bearing of described two spiral screw feeders is in bearing block.

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