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Efficient Bucket Elevator

1. Overview

With the development of the national economy, the transportation machinery industry has introduced, absorbed, and digested new technologies of bucket elevators from various countries around the world. Combining with China's actual situation, it has designed the THG and TDG series of high-efficiency bucket elevators to meet the market's demand for new and high-efficiency bucket elevators with large conveying capacity, large lifting height, and compact structure.

（一）Technical Characteristics and Advantages of THG and TDG Type Bucket Elevators

1. Technical Features

Table 14-40 Technical Characteristics of THG and TDG Type Bucket Elevators

Form	THG type bucket elevator	TDG type bucket elevator
Structural features	High-strength round link chains are used as traction components, and these chains are manufactured in accordance with GB/ T12718-41 (High-strength Round Link Chains for Mining).	EP conveyor belts and steel cord rubber belts are used as traction components
Loading features	Using drag-and-drop loading	Using the scooping bagging method
Uninstall feature	Unloading by means of a hybrid or gravity method	Unloading by centrifugal or hybrid methods
Applicable conveying materials	When equipped with an Sh-type hopper, it is suitable for conveying dry, loose, and free-flowing powdery, granular, and lumpy materials When equipped with a Zh-type hopper, it is suitable for powdery and granular materials that are slightly damp, easy to agglomerate, and have poor fluidity	Same as THG type
Applicable humidity	The temperature of the conveyed material is below 250℃	Ordinary tape is suitable for materials below 80℃ Heat-resistant tape is suitable for materials below 120℃
Model Number	THG160、THG200、THG250、THG315、THG100 THG500、THG630、THG800、THG1000、THG1250 THG1600	TDG160、TDG200、TDG250、TDG315、TDG400 TDG500、TDG630、TDG800、TDG1000、TDG1250 TDG1600
Increase the height	5~75m	5~80m
conveying capacity	16~1800m³/h	24~2080m³/h

Note 1. The Sh-type hopper is a kind of deep hopper. When the Sh-type hopper is used and the wheelbase is less than 40m, the TDG-type bucket elevator is equipped with an EP belt.
2. The Zh-type hopper is a kind of shallow hopper. When the Zh-type hopper is used and the wheelbase is less than 50m, the TDG-type bucket elevator is equipped with an EP belt.
3. When the Sh-type hopper has a wheelbase greater than 40m, and the Zh-type hopper has a wheelbase less than 50m, the TDG-type bucket elevator is equipped with a steel cord belt.

(2) Advantages of THG and TDG type bucket elevators

(1) THG and TDG type bucket elevators have large conveying capacity and high lifting height.
(2) The bucket type is reasonable and has a large capacity.
(3) The round link chain is made of alloy steel. After surface and heat treatment, it has moderate hardness, high strength and good wear resistance.
(4) The adhesive tape adopts a steel wire rope braided core rubber tape, which has good toughness and high strength.
(5) The head, tail and middle casings of this machine are all sealed, so that materials and dust will not fly out, and no environmental pollution will be caused.
(6) The vertical shaft reducer and hydraulic coupling were originally used in the transmission device, but now they are replaced with DZ type shaft-mounted reducers, equipped with a backstop device, making the transmission device compact in structure and realizing flexible transmission. It can not only make the operation stable, but also protect the motor reducer and traction parts, and more importantly, keep the materials in a stable state when the machine is stopped.
(7) A spiral tensioning device is adopted at the lower part, which can maintain a constant tension force, avoid the adhesive tape from slipping or the chain from coming off, so as to ensure the normal operation of the machine.
(8) The upper and lower wheels of the THG type are assembled sprockets. The rim is connected to the wheel body with high-strength bolts. After the sprocket is worn, only the rim needs to be replaced, which is convenient for replacement, saves materials and reduces maintenance costs.

THG Type Bucket Elevator

THG type bucket elevator（Technical Performance Table 1 (equipped with Sh-type hopper)

Bucket elevator model		THG 160	THG 200	THG 250	THG 315	THG 400	THG 500	THG 630	THG 800	THG 1000	THG 1250	THG 1600
delivery capacityQ, m³/h		30	50	70	100	160	210	350	475	715	1120	1550
hopper	capacity，L	2.6	4.1	6.5	10	16	25	40	64	102	161	255
hopper	bucket distance，mm	270	270	336	378	420	480	546	630	756	756	882
Weight of traction chain and hopper per meter length kg/m		31	31.85	33.4	43.25	60.9	79.6	88.66	107	150	187.6	233
Hopper running speed u, m/s		0-93	0.93	1.04	1.04	1.17	1.17	1.32	1.31	1.47	1.47	1.47
Increase the heightHamx, m		60	60	60	60	60	60	60	55	55	40	40

Technical Performance Table 2 for THG Type Bucket Elevator (Equipped with Zh Type Hoppers)

Bucket elevator model		THG 160	THG 200	THG 250	THG 315	THG 400	THG 500	THG 630	THG 800	THG 1000	THG 1250	THG 1600
Conveying capacityQ, m³/h		21	33	45	74	120	160	250	345	520	810	1110
hopper	capacity，L	1.9	2.9	4.6	7.4	12	19	29	47	74	117	184
hopper	bucket distance，mm	270	270	336	378	420	480	546	630	756	756	882
Weight of traction chain and hopper per meter length kg/m		31	31.85	33.4	43.25	60.9	79.6	88.66	107	150	187.6	233
Hopper running speedu, m/s		0.93	0.93	1.04	1.04	1.17	1.17	1.32	1.31	1.47	1.47	1.47
Increase the heightHamx, m		75	75	75	75	75	75	75	70	70	55	55

Note: 1. The conveying capacity Q in Table 1 and Table 2 is calculated based on the filling factor Ψ = 1. 2. The hopper capacity in the tables refers to the capacity when filled with water. 3. The maximum lifting height refers to the轴距 of the elevator.

TDG type bucket elevator

Technical Performance Table 1 for TDG Bucket Elevator (equipped with Sh-type buckets)

Main technical parameters		TDG 160	TDG 200	TDG 250	TDG 315	TDG 400	TDG 500	TDG 630	TDG 800	TDG 1000	TDG 1250	TDG 1600
conveying capacity^①Q, m³/h		32	45	72	101	158	220	348	492	788	1.22	1541
hopper	capacity，L	2.6	4.1	6.5	10	16	25	40	64	102	161	255
hopper	Bucket distance，mm	260	300	325	360	420	460	520	580	650	720	820
Weight of traction chain and hopper per meter length kg/m		22	21.5	33	33.2	42.2	62.3	78.53	106	145	155.5	223
Hopper running speed U , m/s		1.2	1.2	1.34	1.34	1.5	1.5	1.68	1.65	1.86	1.86	1.836
Increase the height Hamx, m		80	80	80	80	80	80	80	80	80	80	80

① The conveying capacity in the table is calculated based on a filling weight coefficient of 70%.

Technical Performance Table 2 for TDG Type Bucket Elevator (equipped with Zh Type Hopper)

Main technical parameters		TDG 160	TDG 200	TDG 250	TDG 315	TDG 400	TDG 500	TDG 630	TDG 800	TDG 1000	TDG 1250	TDG 1600
delivery volume^①Q, m³/h		24	31	51	74	118	167	253	361	571	816	1112
hopper	capacity，L	1.9	2.9	4.5	7.4	12	19	29	47	74	117	184
hopper	bucket distance，mm	260	300	325	360	420	460	520	580	650	720	820
Weight of traction chain and hopper per meter length kg/m		22	21.5	33	33.2	42.2	62.3	78.53	106	145	155.5	223
Hopper running speed U , m/s		1.2	1.2	1.34	1.34	1-5	1.5	1.68	1.65	1.86	1.86	1.836
Increase the height Hamx, m		80	80	80	80	80	80	80	80	80	80	80

①The conveying capacity in the table is calculated based on a filling weight coefficient of 70%.