CN2163172Y - Low temp. heating pelletizing machine for compound ball fertilizer - Google Patents

Abstract

The low temperature full boiled process granulation equipment is a dedicated device for the reworking of a plurality of kinds of material fertilizer, particularly a dedicated device designed for manufacturing spherical mixed fertilizer of calcium magnesium phosphor-carbamide series material fertilizer, ordinary superphosphate-carbamide series material fertilizer, and calcium magnesium phosphor, ordinary superphosphate-carbamide series material fertilizer. The equipment comprises a heat generation furnace (1), a granulating machine system (2), a jet stream induced draught system (3) and a transmission system (33). The utility model does without adding any adhesive in the balling process and can finish the technologies of inducing hot wind by itself, mixing materials, low temperature heating, balling, drying, etc. The equipment has short technological process, simple corollary equipment and strong applicability, and can be selected to manufacture various spherical compound fertilizer by medium and small-sized enterprises in different areas.

Description

Low temp. heating pelletizing machine for compound ball fertilizer

The utility model relates to a kind of multiple fertile granulating equipment, particularly makes with calcium magnesium phosphorus-urea series raw material fertilizer; The spherical of normal superphosphate-urea series raw material fertilizer answered fertile and specific equipment design.

At present, the granulating equipment of use mostly is garden dish tablets press; Rotary drum granulator; Garden roller forcing machine or rolling wheel forcing machine and part rotary drum mixing nodulizer.Above-mentioned balling-up or Cheng Zhuji, what have does not adopt any drying plant, but the energy consumption height, equipment heating itself is serious, fragile.Cold wind airing technology after the equipment component employing balling-up.The draught fan impeller but dust easily bonds easily causes the wheel rotation imbalance, motor burning.And part producer uses the granulation of fused(calcium magnesium)phosphate material fertilizer, because of fused(calcium magnesium)phosphate is a glassiness fertilizer, and the balling-up difficulty, for addressing this problem, most technologies are to mend with binding agent, so just easily cause the equipment bonding.It is material fertilizer that part producer adopts with the normal superphosphate, but should fertilizer be water soluble fertilizer, and remaining sulfuric acid arranged in that manufacturing processed is surplus, thereby with other nitrogen manure balling-up in, temperature is wayward, loss of nitrogen fertilizer is serious, technical process is long, support equipment is many, easily causes sticking wall and passage to stop up, and influences the balling-up production and the agriculture substantial application of plurality of raw materials fertilizer.

For addressing the above problem, way is usually: the firstth, and in calcium magnesium phosphorus, add a kind of binding agent and other material fertilizer garden that coexists and coil balling-up in the tablets press, but production efficiency is low, nitrogen decreases serious, easily contaminate environment; Second sets up scraper plate in rotary drum, these work have solved the sticking wall problem in part of granulating equipment, but the adhesion problem of the significant points in the equipment is still unresolved.

At the problems referred to above, the utility model provides a kind of plurality of raw materials fertilizer once granulated equipment after mixing that is applicable to.This utility model can once be finished from drawing technologies such as low temperature hot blast, batch mixing, low-temperature heat, granulating, oven dry.Need not add binding agent in the granulating process, solve sticking wall, the problem of blocking channel adopts jet air inducing to solve blower fan and damages problem; Set up the self-induced-air blade, solved flue dust and fallen inverse problem.

Below in conjunction with description of drawings embodiment of the present utility model.

The utility model is by hot-air stove system (1), tablets press system (2), jet air inducing dust-removal system (3), four most of compositions such as transmission system (33).Hot producer (1) is the hot producer of reflection-type of common usefulness.It forms tablets press (2) heat supply part by body of heater (4) and refractory concrete pipe (5); Tablets press (2) is by one-level heat pipe (11), and secondary heat pipe (12) is formed tablets press (2) thermal radiation part; By garden column casing body (17), feeder (29), feeding turnover panel (31), (32), screw-blade (35), heat-resisting thermal insulation layer (36), rolling ring (18), (19), bull gear (15), poplar plate (20) is formed the tablets press body part; The driving part (33) of tablets press (2) is formed in step-down gear (21), electric motor (22), pinion(gear) (23), support roller combination (24), (34); the discharger (25) of tablets press (2), jet wind guiding tube (26), (27), jet induced draft fan (28), fly-ash separator (30) are formed the jet air inducing dust-removal system (3) of tablets press (2).

The detailed connection and the special construction of each part mentioned above are as follows:

The refractory concrete pipe (5) that heat takes place to install above the body of heater (4) is the garden column, and its center is the cavity cone; Its cone size is dwindled to tablets press (2) direction gradually from body of heater (4), and its cone angle can be the 3-6 degree; Refractory concrete pipe (5) begins metering from the inner branch of body of heater (4), 2/5ths to 1/3rd places open hole, a garden (6) in length, and answer pre-buried iron pipe (7), and expose the outer garden perimeter surface of refractory concrete pipe (5), so that weldering threaded connector (8) installs thermopair (9) and is used to show and the control interior temperature of refractory concrete pipe (5) (seeing accompanying drawing 1 and Fig. 2) with digital indicator gauge (10).The affixed two joint short tubes (12) of the one-level heat pipe (11) of tablets press (2) one ends, (13); Short tube (13) is enclosed within on the refractory concrete pipe (5); Short tube (12) is for ease of replace tubes and installation; One-level heat pipe (11) coats one deck aluminosilicate fiberboard or other rock wool heat-preservation material (39) (seeing accompanying drawing 1 and 4) with the outside surface of one-level heat pipe (11) part in feeder (29) of short tube (12) fixing position; The interior garden of one-level heat pipe (11) the cylinder 2-6 sheet screw-blade (38) (see Fig. 1 and B-B figure) that has been welded, the diameter of one-level heat pipe (11) and secondary heat pipe (12) is than being 0.5-0.75; Column casing body (17) one ends in garden are equipped with the axial oblique angle of many rows 1-3 degree, the poplar plate (20) (seeing accompanying drawing 1) of radial rake 4-18 degree, feeder (29) is axially being split, and utilizes bolted together, radially utilizes ring flange (34) bolted on garden column casing body (17); It is the feed hole (33) of the oblique parallelogram of 70-80 degree that garden column casing body (17) part that comprises in the feeder (29) has 4-8 outer vertically garden cylinder helix angle; Rotating feeding turnover panel is housed, the flap (31) that has been welded on it, following turnover panel (32) in it; (31) angle of release with (32) is the 40-60 degree, the long limit of turnover panel (31) is greater than the long limit of turnover panel (32), also can make the long limit of the long limit of turnover panel (32) greater than turnover panel (31), the long limit of feed hole (33) all should be longer than in the long limit of turnover panel (31), (32), so that sealing feed hole (33); Hit the iron that shakes (34) at turnover panel (31) or (32) minor face place weld counterweight, to hit the blanking that shakes.Rolling ring (18), (19) are packed in 1/3rd, 2/3rds liang of garden column casing body (17) respectively and locate, and to support the weight of tablets press (2), are convenient to rotate.At garden column casing body (17) 1/2nd places, master wheel is housed so that with the engagement of the pinion(gear) (23) of driving part (33), support roller combination (24), (34) are arranged respectively below rolling ring (18), (19).Pinion(gear) (23) is packed on the step-down gear terminal output shaft, and electric motor (22) connects with shaft coupling with step-down gear.

Tablets press (2) end support is discharger (25) fixedly, and discharger (25) is by porthole (35), observes flap (36), and jet wind guiding tube (26) is formed.The one side of discharger (25) is a garden column sleeve tubular, and its garden tube diameter just inserts garden column casing body (17); Seal with rubber plate or felt between discharger (25), garden column casing body (17); Jet wind guiding tube (26) is connected on the cylinder of garden, discharger (25) top, and the other end is connected on the spiral gravitational precipitator (29).Jet wind guiding tube (26) middle portion adds Venturi meter (37), and Venturi meter choke centerline inserts jet wind guiding tube (27), and jet wind guiding tube (27) is directly in jet induced draft fan (28).

The concrete case study on implementation of the utility model is as follows:

The inner cavity body cone angle of the refractory concrete pipe (5) of hot producer is 3 degree; Open hole, a garden (6) at length 0.75 place; The lagging material that the outer garden of one-level heat pipe (11) cylinder coats is selected aluminosilicate fiberboard for use; The interior garden of one-level heat pipe (11) the cylinder 2 spiral leaves (16) that have been welded; One-level heat pipe (11) is 0.5 with the diameter ratio of secondary heat pipe (12); Poplar plate (20) axially oblique angle is 1 degree; Radial rake is 17 degree, and tiltedly the helix angle in parallelogram hole (33) is 70 degree, and the number in hole is 4; Material rotating plate (31) is 40 degree with the angle of release of (32); The long limit of material rotating plate (31) is greater than the long limit of material rotating plate (32).This enforcement example has solved the distortion of heat pipe scaling loss, has avoided spout place raw material bonding and powder, flue dust to return adverse current, and the generation of problems such as blower fan damage has improved and produced spherical multiple fertile output and quality.

The utility model can be according to different material fertilizers, and design different type of machines and corollary apparatus are made multiple spherical multiple fertilizer with the medium and small sized enterprises that adapt to different areas and selected for use.

Claims (7)

1, a kind of plurality of raw materials fertilizer that is used for becomes spherical multiple fertile low warm method granulating equipment at it, be by hot generator system (1), tablets press system (2), jet air inducing dust-removal system (3), four most of compositions such as transmission system (33) is characterized in that having refractory concrete pipe (5); One-level fire tube (11); Secondary fire tube (12); Feeding turnover panel (31), (32); Screw-blade (35); Heat-resisting thermal insulation layer (36); Jet wind guiding tube (26); Short tube (12), (13).

2, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), it is characterized in that described refractory concrete pipe (5) is the garden column, interior is the cavity cone, and cone angle is the 3-6 degree, and tube wall is embedded with iron pipe (7).

3, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), the diameter that it is characterized in that described one-level fire tube (11), secondary fire tube (12) is than being 0.5-0.75.

4, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), the angle of release that it is characterized in that described feeding turnover panel (31), (32) is the 40-60 degree, is welded with counterweight in the minor face outside and hits the iron that shakes (34).

5, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), it is characterized in that described screw-blade (35) is heat-resisting boiler plate, its sheet number is 2-6.

6, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), it is characterized in that described heat-resisting thermal insulation layer (39) is aluminosilicate fiberboard or rock wool.

7, according to the described spherical multiple fertile low warm method granulating equipment of claim (1), it is characterized in that described jet wind guiding tube (26) middle portion adds Venturi meter (37).

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