CN106244277A - The shaped device of raw coke oven gas high-temperature dust removal ash - Google Patents
The shaped device of raw coke oven gas high-temperature dust removal ash Download PDFInfo
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
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Abstract
本发明公开了一种荒煤气高温除尘灰的成型装置。该装置包括密封输送机，粘结剂料仓，第一搅拌器，喷水装置以及成型机，密封输送机上设置有高温除尘灰入口和高温除尘灰出口，高温除尘灰入口与高温除尘器的出灰口相连；粘结剂料仓上设置有粘结剂出口；第一搅拌器上设置有第一进料口、第一出料口和进水口，第一进料口与粘结剂出口、高温除尘灰出口均相连；喷水装置上设置有喷水口，喷水口与进水口相连；成型机上设置有第二进料口和型焦出口，第二进料口与第一出料口相连。利用本发明提供的上述成型装置，能够将高温除尘器收集下来的兰炭粉在线成型，加工成具有规则形状的洁净型煤。
The invention discloses a molding device for high-temperature dedusting of raw gas. The device includes a sealed conveyor, a binder silo, a first agitator, a water spray device, and a molding machine. The sealed conveyor is provided with a high-temperature dust removal ash inlet and a high-temperature dust removal ash outlet, and a high-temperature dust removal ash inlet and a high-temperature dust collector outlet. The ash port is connected; the binder silo is provided with a binder outlet; the first agitator is provided with a first feed port, a first discharge port and a water inlet; The outlets of high-temperature dust removal are all connected; the water spray device is provided with a water spray port, and the water spray port is connected with the water inlet; connected. By using the molding device provided by the present invention, the semi-coal powder collected by the high-temperature dust collector can be molded online to be processed into clean briquettes with regular shapes.
Description
技术领域technical field
本发明涉及荒煤气高温除尘灰的回收利用领域，具体而言，涉及一种荒煤气高温除尘灰的成型装置。The invention relates to the field of recovery and utilization of raw gas high-temperature dedusting ash, in particular to a molding device for raw gas high-temperature dedusting ash.
背景技术Background technique
低阶煤分级分质利用以其投资较少、能效较高、经济效益较好等特点，近年来在市场中持续升温。分级分质利用主要是以中低温热解技术为依托，热解荒煤气中夹带有大量粒度极小的兰炭粉，高达总进煤量的1％以上，这部分兰炭粉经高温除尘器过滤收集后无法有效利用。目前的常规做法是将从高温除尘器得到的兰碳粉掺混在块状兰炭中出售，然而这降低了兰炭的品质，使兰炭价格降低；且由于兰碳粉粒径小、易扬尘且易燃易爆，给兰炭的储运带来困难。The graded and quality-based utilization of low-rank coal has been gaining popularity in the market in recent years due to its characteristics of less investment, higher energy efficiency, and better economic benefits. The utilization of classification and quality separation is mainly based on the medium and low temperature pyrolysis technology. There are a large number of small-sized semi-coal powder in the pyrolysis raw gas, which is as high as more than 1% of the total coal input. Cannot be effectively utilized after filtering and collecting. The current conventional practice is to mix the blue carbon powder obtained from the high-temperature dust collector into lump semi-coke for sale, but this reduces the quality of the semi-coke and reduces the price of the semi-coke; and due to the small particle size of the blue carbon powder, it is easy to raise dust And it is inflammable and explosive, which brings difficulties to the storage and transportation of semi-coke.
基于上述原因，有必要提供一种有效的处理热解荒煤气中兰炭粉的方法。Based on the above reasons, it is necessary to provide an effective method for treating the mid-blue charcoal powder of pyrolysis raw coal gas.
发明内容Contents of the invention
本发明旨在提供一种荒煤气高温除尘灰的成型装置，以解决现有技术中热解荒煤气经高温除尘器过滤除尘后收集的兰炭粉无法有效利用的问题。The present invention aims to provide a molding device for high-temperature dedusting of raw gas to solve the problem in the prior art that the blue charcoal powder collected after pyrolysis of raw gas is filtered and dedusted by a high-temperature dust collector cannot be effectively utilized.
为了实现上述目的，根据本发明的一个方面，提供了一种荒煤气高温除尘灰的成型装置，其包括：密封输送机，密封输送机上设置有高温除尘灰入口和高温除尘灰出口，高温除尘灰入口与高温除尘器的出灰口相连；粘结剂料仓，粘结剂料仓上设置有粘结剂出口；第一搅拌器，第一搅拌器上设置有第一进料口、第一出料口和进水口，第一进料口与粘结剂出口、高温除尘灰出口均相连；喷水装置，喷水装置上设置有喷水口，喷水口与进水口相连；以及成型机，成型机上设置有第二进料口和型焦出口，第二进料口与第一出料口相连。In order to achieve the above object, according to one aspect of the present invention, a molding device for high-temperature dedusting ash of raw gas is provided, which includes: a sealed conveyor, which is provided with a high-temperature dedusting ash inlet and a high-temperature dedusting ash outlet, and a high-temperature dedusting ash The inlet is connected to the ash outlet of the high-temperature dust collector; the binder silo is provided with a binder outlet; the first agitator is provided with a first feed inlet, a first The material outlet and the water inlet, the first material inlet is connected to the binder outlet and the high-temperature dust removal outlet; the water spray device is provided with a water spray port, and the water spray port is connected to the water inlet; and the molding machine , the molding machine is provided with a second feed port and a coke outlet, and the second feed port is connected with the first discharge port.
进一步地，密封输送机为溢流螺旋输送机。Further, the sealed conveyor is an overflow screw conveyor.
进一步地，成型装置还包括第二搅拌器，第二搅拌器上设置有第三进料口和第二出料口，第三进料口与第一出料口相连，第二出料口与第二进料口相连。Further, the molding device also includes a second agitator, the second agitator is provided with a third feed port and a second discharge port, the third feed port is connected to the first discharge port, and the second discharge port is connected to the first discharge port. The second feed port is connected.
进一步地，第一搅拌器和/或第二搅拌器为双轴搅拌器。Further, the first agitator and/or the second agitator is a twin-shaft agitator.
进一步地，成型装置还包括干燥塔，干燥塔上设置有第四进料口，第四进料口与型焦出口相连。Further, the molding device also includes a drying tower, and a fourth feeding port is arranged on the drying tower, and the fourth feeding port is connected with the form coke outlet.
进一步地，成型装置还包括中间料仓，中间料仓上设置有第五进料口和第三出料口，第五进料口与高温除尘灰出口相连，第三出料口与第一进料口相连。Further, the forming device also includes an intermediate silo, the intermediate silo is provided with a fifth feed port and a third discharge port, the fifth feed port is connected to the high-temperature dust removal outlet, and the third discharge port is connected to the first feed port. The feed port is connected.
进一步地，中间料仓内部设置有冷却装置。Further, a cooling device is provided inside the intermediate storage bin.
进一步地，冷却装置为冷却盘管，冷却盘管中通有冷却介质。Further, the cooling device is a cooling coil, and a cooling medium passes through the cooling coil.
进一步地，成型装置还包括第一皮带输送机，第一皮带输送机用以连接第三出料口与第一进料口。Further, the forming device further includes a first belt conveyor, which is used to connect the third discharge port and the first feed port.
进一步地，粘结剂出口通过第一皮带输送机与第一进料口相连。Further, the binder outlet is connected with the first feeding port through the first belt conveyor.
进一步地，中间料仓上设置有第一定量给料机，第一定量给料机位于第三出料口所在的管路上。Further, a first quantitative feeder is provided on the intermediate silo, and the first quantitative feeder is located on the pipeline where the third outlet is located.
进一步地，粘结剂料仓上设置有第二定量给料机，第二定量给料机位于粘结剂出口所在的管路上。Further, the binder silo is provided with a second quantitative feeder, and the second quantitative feeder is located on the pipeline where the binder outlet is located.
进一步地，成型装置还包括第二皮带输送机，第二皮带输送机用以连接第二出料口与第二进料口。Further, the molding device further includes a second belt conveyor, which is used to connect the second discharge port and the second feed port.
进一步地，成型机为对辊成型机。Further, the forming machine is a double-roll forming machine.
进一步地，成型装置还包括灰仓，灰仓上设置有灰仓进口和灰仓出口，灰仓进口与出灰口相连，灰仓出口与高温除尘灰入口相连。Further, the molding device also includes an ash bin, and the ash bin is provided with an ash bin inlet and an ash bin outlet, the ash bin inlet is connected with the ash outlet, and the ash bin outlet is connected with the high-temperature dedusting ash inlet.
本发明提供了一种荒煤气高温除尘灰的成型装置，利用该成型装置，采用密封输送机能够在密封状态下将出灰口出来的高温除尘灰(兰炭粉)输送至第一搅拌器，在第一搅拌器中，兰炭粉和粘结剂料仓出来的粘结剂、喷水装置出来的水混合搅拌形成较为均匀的混合料。这些混合料经过后续的成型机处理，能够形成具有规则形状的洁净型煤。The invention provides a molding device for high-temperature dedusting of raw gas. Using the molding device, the high-temperature dedusting ash (blue charcoal powder) coming out of the ash outlet can be transported to the first agitator in a sealed state by using a sealed conveyor. In the first agitator, the blue charcoal powder, the binder from the binder silo, and the water from the water spray device are mixed and stirred to form a relatively uniform mixture. These mixtures are processed by subsequent forming machines to form clean briquettes with regular shapes.
总之，利用本发明提供的上述成型装置，能够将高温除尘器收集下来的兰炭粉在线成型，加工成具有规则形状的洁净型煤。这些型煤可以用作民用燃料、工业燃料或气化原料等，既解决了超细兰碳粉的储运困难问题，又提高了产品附加值，变废为宝，提高了企业经济效益。In a word, by using the above-mentioned forming device provided by the present invention, the semi-coal powder collected by the high-temperature dust collector can be formed online and processed into clean briquettes with regular shapes. These briquettes can be used as civil fuel, industrial fuel or gasification raw material, etc., which not only solves the problem of difficult storage and transportation of ultra-fine blue carbon powder, but also increases the added value of products, turns waste into treasure, and improves the economic benefits of enterprises.
附图说明Description of drawings
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:
图1示出了根据本发明一种实施方式中的荒煤气高温除尘灰的成型装置。Fig. 1 shows a raw gas high-temperature dedusting ash molding device according to an embodiment of the present invention.
其中，附图标记如下：Wherein, the reference signs are as follows:
10、密封输送机；20、粘结剂料仓；30、第一搅拌器；40、喷水装置；50、成型机；60、第二搅拌器；70、干燥塔；80、中间料仓；90、灰仓。10. Sealing conveyor; 20. Adhesive silo; 30. First agitator; 40. Water spray device; 50. Forming machine; 60. Second agitator; 70. Drying tower; 80. Intermediate silo; 90. Ash bin.
具体实施方式detailed description
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
正如背景技术部分所介绍的，现有技术中的热解荒煤气经高温除尘器过滤收集的兰炭粉无法得到有效利用。为了解决这一问题，本发明提供了一种荒煤气高温除尘灰的成型装置，如图1所示，该成型装置包括：密封输送机10，粘结剂料仓20，第一搅拌器30，喷水装置40以及成型机50，密封输送机10上设置有高温除尘灰入口和高温除尘灰出口，高温除尘灰入口与高温除尘器的出灰口相连；粘结剂料仓20上设置有粘结剂出口；第一搅拌器30上设置有第一进料口、第一出料口和进水口，第一进料口与粘结剂出口、高温除尘灰出口均相连；喷水装置40上设置有喷水口，喷水口与进水口相连；成型机50上设置有第二进料口和型焦出口，第二进料口与第一出料口相连。As introduced in the background technology section, the blue charcoal powder collected by the pyrolysis raw coal gas filtered and collected by the high-temperature dust collector in the prior art cannot be effectively utilized. In order to solve this problem, the present invention provides a molding device for raw gas high-temperature dust removal, as shown in Figure 1, the molding device includes: a sealing conveyor 10, a binder silo 20, a first agitator 30, The water spray device 40 and the molding machine 50 are provided with a high-temperature dust removal ash inlet and a high-temperature dust removal ash outlet on the sealing conveyor 10, and the high-temperature dust removal ash inlet is connected with the ash outlet of the high-temperature dust collector; binder outlet; the first agitator 30 is provided with a first feed inlet, a first discharge outlet and a water inlet, and the first feed inlet is connected to the binder outlet and the high-temperature dedusting ash outlet; the water spray device 40 A water spray port is provided, and the water spray port is connected with the water inlet; the molding machine 50 is provided with a second feed port and a coke outlet, and the second feed port is connected with the first discharge port.
利用该成型装置，采用密封输送机10能够在密封状态下将出灰口出来的高温除尘灰(兰炭粉)输送至第一搅拌器30，在第一搅拌器30中，兰炭粉和粘结剂料仓20出来的粘结剂、喷水装置40出来的水混合搅拌形成较为均匀的混合料。这些混合料经过后续的成型机50处理，能够形成具有规则形状的洁净型煤。总之，利用本发明提供的上述成型装置，能够将高温除尘器收集下来的兰炭粉在线成型，加工成具有规则形状的洁净型煤。这些型煤可以用作民用燃料、工业燃料或气化原料等，既解决了超细兰碳粉的储运困难问题，又提高了产品附加值，变废为宝，提高了企业经济效益。Utilize this molding device, adopt sealing conveyor 10 to be able to convey the high-temperature dedusting ash (blue charcoal powder) that ash outlet comes out under sealed state to the first agitator 30, in the first agitator 30, blue charcoal powder and sticky The binder coming out of the binder silo 20 and the water coming out of the water spray device 40 are mixed and stirred to form a relatively uniform mixture. These mixtures are processed by the subsequent forming machine 50 to form clean briquettes with regular shapes. In a word, by using the above-mentioned forming device provided by the present invention, the semi-coal powder collected by the high-temperature dust collector can be formed online and processed into clean briquettes with regular shapes. These briquettes can be used as civil fuel, industrial fuel or gasification raw material, etc., which not only solves the problem of difficult storage and transportation of ultra-fine blue carbon powder, but also increases the added value of products, turns waste into treasure, and improves the economic benefits of enterprises.
在一种优选的实施例中，密封输送机10为溢流螺旋输送机。溢流螺旋输送机本身自带冷却功能，且密封输送性能较好。采用溢流螺旋输送机不仅能够更好地解决高温兰炭粉的输送安全性问题，还能够将高温兰炭粉进行初步冷却，使其更快达到后续的成型条件。在实际应用过程中，高温除尘器从荒煤气中分离下来的兰碳粉温度为350～400℃，采用溢流螺旋输送机可将高温兰炭粉降温50～100℃。In a preferred embodiment, the sealed conveyor 10 is an overflow screw conveyor. The overflow screw conveyor has its own cooling function, and its sealing performance is good. The use of overflow screw conveyor can not only better solve the problem of transportation safety of high-temperature blue carbon powder, but also preliminarily cool the high-temperature blue carbon powder, so that it can reach the subsequent molding conditions faster. In the actual application process, the temperature of the blue carbon powder separated from the raw gas by the high temperature dust collector is 350-400°C, and the high-temperature blue carbon powder can be cooled by 50-100°C by using an overflow screw conveyor.
在一种优选的实施例中，成型装置还包括第二搅拌器60，第二搅拌器60上设置有第三进料口和第二出料口，第三进料口与第一出料口相连，第二出料口与第二进料口相连。在实际操作过程中，是将第二搅拌器60串联在第一搅拌器30之后，这样可以进一步将兰炭粉、粘结剂和水混合均匀。In a preferred embodiment, the forming device further includes a second agitator 60, the second agitator 60 is provided with a third feed port and a second discharge port, the third feed port and the first discharge port Connected, the second discharge port is connected with the second feed port. In the actual operation process, the second agitator 60 is connected in series after the first agitator 30, so that the blue charcoal powder, binder and water can be further mixed evenly.
在一种优选的实施例中，第一搅拌器30和/或第二搅拌器60为双轴搅拌器。采用双轴搅拌器能够进一步提高物料的混合均匀度。In a preferred embodiment, the first agitator 30 and/or the second agitator 60 is a double-shaft agitator. The use of a double-shaft agitator can further improve the mixing uniformity of the material.
在一种优选的实施例中，成型装置还包括干燥塔70，干燥塔70上设置有第四进料口，第四进料口与型焦出口相连。利用干燥塔70可以将成型机50出来的型焦进行干燥，形成的产品可直接使用。In a preferred embodiment, the shaping device further includes a drying tower 70, and a fourth feeding port is arranged on the drying tower 70, and the fourth feeding port is connected with the form coke outlet. The form coke coming out of the forming machine 50 can be dried by the drying tower 70, and the formed product can be used directly.
在一种优选的实施例中，成型装置还包括中间料仓80，中间料仓80上设置有第五进料口和第三出料口，第五进料口与高温除尘灰出口相连，第三出料口与第一进料口相连。利用中间料仓80能够使高温除尘灰出来的兰炭粉进行暂存，以方便后续的加料和成型。In a preferred embodiment, the forming device further includes an intermediate silo 80, the intermediate silo 80 is provided with a fifth feed port and a third discharge port, the fifth feed port is connected with the high-temperature dust removal outlet, and the fifth feed port is connected to the high-temperature dust removal outlet. The three discharge ports are connected with the first feed port. Utilizing the intermediate silo 80 can temporarily store the blue charcoal powder from the high-temperature dedusting ash to facilitate subsequent feeding and molding.
在一种优选的实施例中，中间料仓80内部设置有冷却装置。利用该冷却装置能够进一步对高温兰炭粉进行降温。优选地，冷却装置为冷却盘管，冷却盘管中通有冷却介质。在实际操作过程中，该中间料仓80的冷却功能可以将兰炭粉的温度降至150℃以下。冷却介质可以采用冷却水，较为方便，成本较低。In a preferred embodiment, a cooling device is provided inside the intermediate storage bin 80 . The cooling device can further lower the temperature of the high-temperature semi-coke powder. Preferably, the cooling device is a cooling coil, and a cooling medium passes through the cooling coil. In the actual operation process, the cooling function of the intermediate storage bin 80 can reduce the temperature of the semi-coke powder to below 150°C. The cooling medium can be cooling water, which is more convenient and lower in cost.
在一种优选的实施例中，成型装置还包括第一皮带输送机，第一皮带输送机用以连接第三出料口与第一进料口。该第一皮带输送机可以选自任意的耐高温皮带输送机。In a preferred embodiment, the molding device further includes a first belt conveyor, and the first belt conveyor is used to connect the third discharge port and the first feed port. The first belt conveyor can be selected from any high temperature resistant belt conveyor.
在一种优选的实施例中，粘结剂出口通过第一皮带输送机与第一进料口相连。In a preferred embodiment, the binder outlet is connected to the first feed inlet through a first belt conveyor.
在一种优选的实施例中，中间料仓80上设置有第一定量给料机，第一定量给料机位于第三出料口所在的管路上。利用第一定量给料机可以控制兰炭粉的加入量，使其达到成型条件。In a preferred embodiment, the intermediate silo 80 is provided with a first quantitative feeder, and the first quantitative feeder is located on the pipeline where the third outlet is located. The addition of the blue charcoal powder can be controlled by the first quantitative feeder to make it reach the molding conditions.
在一种优选的实施例中，粘结剂料仓20上设置有第二定量给料机，第二定量给料机位于粘结剂出口所在的管路上。同理，第二定量给料机可用于控制粘结剂的加入量。In a preferred embodiment, the binder silo 20 is provided with a second quantitative feeder, and the second quantitative feeder is located on the pipeline where the binder outlet is located. Similarly, the second quantitative feeder can be used to control the amount of binder added.
在实际的加工做成中，在第一搅拌器30的中间段进行喷水，喷水量为兰碳粉和粘结剂总质量的12％～16％，使成型物料达到成型所需水分。In actual processing, water is sprayed in the middle section of the first agitator 30, and the amount of water sprayed is 12% to 16% of the total mass of blue carbon powder and binder, so that the molding material reaches the moisture required for molding.
在一种优选的实施例中，成型装置还包括第二皮带输送机，第二皮带输送机用以连接第二出料口与第二进料口。第二皮带输送机同样可以选自任意的耐高温皮带输送机。In a preferred embodiment, the molding device further includes a second belt conveyor, and the second belt conveyor is used to connect the second discharge port and the second feed port. The second belt conveyor can also be selected from any high temperature resistant belt conveyor.
在一种优选的实施例中，成型机50为对辊成型机。利用辊成型机可以有效地进行型焦成型。In a preferred embodiment, the forming machine 50 is a double-roll forming machine. Coke forming can be efficiently performed using a roll forming machine.
在一种优选的实施例中，成型装置还包括灰仓90，灰仓90上设置有灰仓进口和灰仓出口，灰仓进口与出灰口相连，灰仓出口与高温除尘灰入口相连。设置灰仓90可以暂存高温兰炭粉，使在线成型装置更容易控制。In a preferred embodiment, the molding device further includes an ash bin 90, which is provided with an ash bin inlet and an ash bin outlet, the ash bin inlet is connected with the ash outlet, and the ash bin outlet is connected with the high-temperature dedusting ash inlet. The ash bin 90 can temporarily store the high-temperature blue charcoal powder, making the online forming device easier to control.
由上述描述可知，采用本发明所提供的成型装置，能够将高温除尘器收集下来的兰炭粉在线成型，加工成具有规则形状的洁净型煤。这些型煤可以用作民用燃料、工业燃料或气化原料等，既解决了超细兰碳粉的储运困难问题，又提高了产品附加值，变废为宝，提高了企业经济效益。From the above description, it can be known that by adopting the forming device provided by the present invention, the semi-coal powder collected by the high-temperature dust collector can be formed online and processed into clean briquettes with regular shapes. These briquettes can be used as civil fuel, industrial fuel or gasification raw material, etc., which not only solves the problem of difficult storage and transportation of ultra-fine blue carbon powder, but also increases the added value of products, turns waste into treasure, and improves the economic benefits of enterprises.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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