1. Improve the conveyor belt hopper. Improving the dropping hopper of conveyor belt is one of the effective measures to prevent the early damage of conveyor belt. The dropping hopper at the transition point of each belt conveyor is improved to increase its ability of passing through foreign matters by 2.5 times. The long and large foreign matters are not easy to be stuck between the funnel wall and the conveyor belt in the conveying process, so as to reduce the probability of foreign matters tearing the conveyor belt.

落料斗處的導(dǎo)料裙板，使其與輸送帶的間隙沿輸送帶運(yùn)行方向越來(lái)越大，解決煤塊、石塊卡在輸送帶和裙板之間的問(wèn)題，因此引起的輸送帶損傷。落差較大的料斗，內(nèi)部安裝緩沖擋板，避免物料直接沖擊輸送帶。

The guide apron at the hopper makes the gap between the conveyor belt and the conveyor belt larger and larger along the running direction of the conveyor belt, so as to solve the problem of coal and stone stuck between the conveyor belt and the apron, and eliminate the conveyor belt damage caused by this. For hopper with large drop, buffer baffle is installed inside to avoid direct impact of material on conveyor belt.

2.在改向滾筒處加刮料裝置。在輸送帶沿線的改向滾筒處加設(shè)刮料裝置，改向滾筒處物料粘結(jié)問(wèn)題，解決因滾筒粘料引起的輸送帶局部破損。

2. Add scraping device at the turning drum. The scraping device is added at the turning drum along the conveyor belt to eliminate the problem of material sticking at the drum, and to solve the local damage of the conveyor belt caused by the material sticking on the drum.

3.輸送機(jī)頭、尾及中間轉(zhuǎn)載過(guò)渡處的改進(jìn)。輸送機(jī)頭、尾及中間轉(zhuǎn)載處的過(guò)渡長(zhǎng)度及過(guò)渡方式，對(duì)輸送帶的使用壽命影響很大。須進(jìn)行合理的過(guò)渡設(shè)計(jì)，應(yīng)盡量減輕輸送帶膠面的磨損，確保不出現(xiàn)輸送帶的折疊、中間凸起現(xiàn)象，落料處不出現(xiàn)物料撒漏。

3. Improvement of head, tail and intermediate transfer transition of conveyor. The transition length and transition mode of conveyor head, tail and intermediate transfer place have great influence on the service life of conveyor belt. Reasonable transition design should be carried out to reduce the wear of rubber surface of conveyor belt as far as possible to ensure that there is no folding of conveyor belt and bulge in the middle, and there is no material leakage at the blanking place.

4.輸送機(jī)在凹過(guò)渡處的壓帶輪。實(shí)踐證實(shí)，鋼繩式輸送帶橫向強(qiáng)度不足，啟動(dòng)時(shí)，壓帶輪造成輸送帶局部受力過(guò)大，導(dǎo)致撕裂輸送帶，將壓帶輪全部改為壓帶滾筒，可徹底解決這一問(wèn)題。

4. Belt pulley at concave transition of conveyor. This problem can be solved thoroughly when the belt pulley is partially pressed, resulting in excessive pressure on the belt pulley.

5.大機(jī)臂架輸送帶配重減載。煤礦系統(tǒng)堆場(chǎng)堆料機(jī)臂架輸送帶更初使用壽命很短，配重設(shè)計(jì)過(guò)重是造成輸送帶張力過(guò)大，過(guò)早龜裂老化的重要原因。在滿足輸送帶運(yùn)載物料張力的基礎(chǔ)上，減輕配重后，運(yùn)送煤炭由150萬(wàn)t的使用壽命延長(zhǎng)到450萬(wàn)t。20萬(wàn)t礦用系統(tǒng)堆取料機(jī)臂架輸送帶原設(shè)計(jì)配重為25t(含配重滾筒重量)，原裝德國(guó)進(jìn)口抗撕裂鋼絲帶作業(yè)不到300萬(wàn)t就嚴(yán)重拉伸報(bào)廢，經(jīng)兩次減載降低6t配重后，使用國(guó)產(chǎn)普通鋼絲帶，作業(yè)量超過(guò)800萬(wàn)t。

5. Load reduction of conveyor belt counterweight on crane boom. The initial service life of the conveyor belt of the stacker boom in coal mine system is very short, and the design of counterweight is an important reason for the excessive tension and premature cracking and aging of the conveyor belt. On the basis of meeting the material tension of the conveyor belt and reducing the counterweight, the service life of coal transportation is extended from 1.5 million tons to 4.5 million tons. The original design counterweight of the boom conveyor belt of the 200000 t mining system stacker reclaimer was 25 t (including the weight of the counterweight drum). The original anti tearing steel belt imported from Germany was seriously stretched and scrapped when it was less than 3 million tons. After reducing the counterweight by 6 tons twice, the domestic ordinary steel wire belt was used, and the operation volume was more than 8 million tons.

6.料流方向調(diào)整。料流方向?qū)斔蛶У氖褂脡勖哂兄匾绊?，?yīng)使物料流與輸送帶同方向運(yùn)行，可大大提高設(shè)備使用壽命。

6. Adjust the direction of material flow. The direction of material flow has an important influence on the service life of the conveyor belt. The material flow should run in the same direction with the conveyor belt, which can greatly improve the service life of the equipment.

7.輸送帶局部損傷修復(fù)技術(shù)延長(zhǎng)使用壽命。(1)局部熱硫化；也就是大家常說(shuō)的輸送帶熱流化需要配備硫化機(jī)。(2)局部冷潑，產(chǎn)品有德國(guó)迪普特技術(shù)液體高分子復(fù)合修復(fù)材料等，但需常溫固化10h左右；(3)局部冷粘，采用德國(guó)迪普特公司修補(bǔ)條(縱向裂口)、冷粘膠一T2復(fù)合膠縱向填補(bǔ)裂縫堵(需專用膠槍)。這兩種方法優(yōu)點(diǎn)是人力物力投人較少，具有較好的耐磨損和補(bǔ)強(qiáng)性能，恢復(fù)時(shí)間較短，缺點(diǎn)是對(duì)環(huán)境的要求高，不能恢復(fù)到原輸送帶表面平整要求；(4)輸送帶噴涂修復(fù)技術(shù)。該技術(shù)是將幾種液體材料經(jīng)專用設(shè)備混合，高壓噴到皮帶磨損表面，根據(jù)需要噴涂一定厚度的耐磨層。固化時(shí)間短，適用于連成片的局部磨損，效果很好，缺點(diǎn)是需要專用設(shè)備。

7. Local damage repair technology of conveyor belt can prolong its service life. (1) Local hot vulcanization; that is, it is often said that the conveyor belt heat fluidization needs to be equipped with curing press. (2) For local cold pouring, the products include liquid polymer composite repair materials of German duput technology, but they need to be cured at room temperature for about 10 h; (3) for local cold bonding, the repair strip (longitudinal crack) of German duput company and the longitudinal filling of crack plug with cold glue-t2 composite glue (special glue gun is required). The advantages of these two methods are less manpower and material resources, good wear resistance and reinforcement performance, short recovery time, but high environmental requirements and can not be restored to the original conveyor belt surface leveling requirements; (4) conveyor belt spray repair technology. The technology is to mix several liquid materials with special equipment, spray them on the wear surface of belt under high pressure, and spray a certain thickness of wear-resistant layer as required. The curing time is short, and it is suitable for the local wear of continuous sheets, and the effect is very good. The disadvantage is that special equipment is needed.

8.合理選擇皮帶類型與維護(hù)。合理選擇類型，根據(jù)季節(jié)變化及時(shí)調(diào)整沿線糾偏裝置，加防曬罩以及冬季維護(hù)等措施亦可延長(zhǎng)輸送帶壽命。

8. Reasonable selection of belt type and maintenance. Reasonable selection of type, timely adjustment of deviation correction device along the line according to seasonal changes, adding sunscreen cover and winter maintenance can also prolong the service life of conveyor belt.

9.其他管理問(wèn)題。加強(qiáng)托輥及清掃器管理，損壞要及時(shí)更換?？刂茙лd啟動(dòng)。

9. Other management issues. Strengthen the management of idlers and sweepers, and replace the damaged ones in time. Control load start.

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