CN105599939B - A kind of siccative for cement solidification fills cover - Google Patents
A kind of siccative for cement solidification fills cover Download PDFInfo
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- CN105599939B CN105599939B CN201610074640.6A CN201610074640A CN105599939B CN 105599939 B CN105599939 B CN 105599939B CN 201610074640 A CN201610074640 A CN 201610074640A CN 105599939 B CN105599939 B CN 105599939B
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- cement
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- 239000004568 cement Substances 0.000 title claims abstract description 68
- 238000007711 solidification Methods 0.000 title claims abstract description 27
- 230000008023 solidification Effects 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000000654 additive Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 24
- 238000007789 sealing Methods 0.000 abstract description 15
- 239000002901 radioactive waste Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 13
- 238000003756 stirring Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
本发明涉及一种物料输送设备。为解决采用桶内固化工艺的放射性废物水泥固化线中物料由供料设备向废物桶的加入问题，本发明提供了一种用于水泥固化的干料加注罩。该干料加注罩包括罩筒、水泥进料管、过滤器和风机；所述罩筒为两端开放的筒体；所述水泥进料管连接在罩筒外壁上；水泥进料管的侧壁上设有水泥进料口；水泥进料管的外壁上设有振动电机；所述过滤器的进口端与罩筒内部相连通，出口端与所述风机的进风口相连通。本发明的干料加注罩能够实现密封和搅拌条件下废物桶干物料的顺利加注，加注操作较为简便，有效解决了高湿条件下容易发生的堵塞、粘结等问题，便于实现加注过程的远距离操作，较好满足了辐射安全和工艺可靠性要求。
The invention relates to a material conveying device. In order to solve the problem of adding material from the feeding equipment to the waste barrel in the radioactive waste cement solidification line adopting the solidification process in the barrel, the invention provides a dry material filling cover for cement solidification. The dry material filling cover includes a cover tube, a cement feed pipe, a filter and a fan; the cover tube is a cylinder with two ends open; the cement feed pipe is connected to the outer wall of the cover tube; the cement feed pipe A cement feed port is provided on the side wall; a vibrating motor is provided on the outer wall of the cement feed pipe; the inlet end of the filter communicates with the inside of the cover cylinder, and the outlet end communicates with the air inlet of the fan. The dry material filling cover of the present invention can realize the smooth filling of dry material in the waste barrel under the condition of sealing and stirring, the filling operation is relatively simple, effectively solves the problems of clogging and sticking that are easy to occur under high humidity conditions, and facilitates the realization of filling The remote operation of the injection process better meets the requirements of radiation safety and process reliability.
Description
技术领域technical field
本发明涉及一种物料输送设备，特别涉及一种用于水泥固化的干料加注罩。The invention relates to a material conveying device, in particular to a dry material filling cover for cement solidification.
背景技术Background technique
在核工业领域，核设施的运行会产生相应的放射性废物。为确保放射性废物在长期贮存过程中的放射性安全，因此通常会对其进行适当的处理，其中，水泥固化技术以其开发较早、技术路线成熟、适用范围宽而被广泛应用。为满足辐射防护安全要求，实现水泥固化技术的产业化应用，国际上通常采用具有较高自动化程度的水泥固化线进行放射性废物的水泥固化。In the field of nuclear industry, the operation of nuclear facilities will produce corresponding radioactive waste. In order to ensure the radioactive safety of radioactive waste during long-term storage, it is usually treated properly. Among them, cement solidification technology is widely used because of its early development, mature technical route and wide application range. In order to meet the safety requirements of radiation protection and realize the industrial application of cement solidification technology, cement solidification lines with a high degree of automation are usually used internationally for cement solidification of radioactive waste.
当前，由于我国尚没有完整、成熟的自主放射性废物水泥固化线可以采用，因此若要实现自主水泥固化技术的产业化应用，就必须开发出一套完整的放射性废物水泥固化线。At present, since there is no complete and mature independent radioactive waste cement solidification line in my country, it is necessary to develop a complete set of radioactive waste cement solidification line if the industrial application of independent cement solidification technology is to be realized.
在各种放射性废物水泥固化工艺中，桶内固化作为一种具有优势的固化方式而受到较为广泛的关注，其工艺特点是将放射性废物和固化材料直接加入废物桶，在废物桶中实现放射性废物的水泥固化。桶内固化所具有的优势也使其成为我国放射性废物水泥固化线设计的较好选择之一。Among various radioactive waste cement solidification processes, in-barrel solidification has received widespread attention as an advantageous solidification method. The process is characterized by adding radioactive waste and solidified materials directly into the waste barrel, and realizing radioactive waste solidification in the waste barrel. of cement solidified. The advantages of solidification in barrels also make it one of the better choices for the design of cement solidification lines for radioactive waste in my country.
由于固化对象为放射性废物，基于辐射安全和工艺可靠性等方面的考虑，故不能采用简单的敞开式加料方式。为此，需要设计出具有密封和保护功能，并且便于通过远距离操作向废物桶内加入放射性废物、固化材料的接口设备。Since the curing object is radioactive waste, based on considerations of radiation safety and process reliability, a simple open feeding method cannot be used. For this reason, it is necessary to design an interface device that has sealing and protection functions, and is convenient for adding radioactive waste and solidified materials into the waste barrel through remote operation.
发明内容Contents of the invention
为解决采用桶内固化工艺的放射性废物水泥固化线中物料由供料设备向废物桶的加入问题，实现废物桶干物料的加注，本发明提供了一种用于水泥固化的干料加注罩。In order to solve the problem of adding material from the feeding equipment to the waste barrel in the radioactive waste cement solidification line using the solidification process in the barrel, and realize the filling of the dry material in the waste barrel, the invention provides a dry material filling for cement solidification cover.
该干料加注罩包括罩筒、水泥进料管、过滤器和风机；所述罩筒为两端开放的筒体，其两端边缘处分别设有上密封圈和下密封圈，罩筒外壁上设有接近开关和添加剂进料管；所述添加剂进料管上设有添加剂吹扫接口；所述水泥进料管一端连接在罩筒外壁上，并与罩筒内部相连通，另一端封闭；水泥进料管的侧壁上设有垂直向上的水泥进料口，水泥进料口附近设有水泥吹扫接口；水泥进料管的外壁上设有振动电机；所述过滤器的进口端通过过滤器接管与罩筒内部相连通，出口端通过风机接管与所述风机的进风口相连通。The dry material filling cover includes a cover cylinder, a cement feed pipe, a filter and a fan; the cover cylinder is a cylinder with open ends, and an upper sealing ring and a lower sealing ring are respectively provided on the edges of the two ends, and the cover cylinder A proximity switch and an additive feed pipe are provided on the outer wall; an additive purge interface is provided on the additive feed pipe; one end of the cement feed pipe is connected to the outer wall of the cover tube and communicates with the inside of the cover tube, and the other end Closed; the side wall of the cement feed pipe is provided with a vertically upward cement feed port, and a cement purge interface is provided near the cement feed port; a vibration motor is provided on the outer wall of the cement feed pipe; the inlet of the filter The filter end communicates with the inside of the cover tube through the filter pipe, and the outlet end communicates with the air inlet of the fan through the fan pipe.
所述过滤器上部设有压缩气体接口为优选，压缩气体接口在过滤器内部的开口端朝向过滤器的滤材。It is preferable that the upper part of the filter is provided with a compressed gas interface, and the open end of the compressed gas interface in the filter faces the filter material of the filter.
所述过滤器接管和风机接管之间设有差压变送器为优选。Preferably, a differential pressure transmitter is provided between the filter pipe and the fan pipe.
所述水泥进料管的外壁上设有电加热带为优选。It is preferred that an electric heating belt is provided on the outer wall of the cement feeding pipe.
所述过滤器接管的外壁上设有电加热带为优选。It is preferred that an electric heating belt is provided on the outer wall of the filter connecting pipe.
本发明的干料加注罩属于一种接口设备。在废物桶干物料加注过程中，由于需要对废物桶中的放射性废液和加入的干物料进行搅拌，因此干料加注罩本体采用筒形设计(即罩筒)，搅拌设备穿过罩筒并与上密封圈密封接触，废物桶与罩筒的下密封圈密封接触，从而实现了供料设备与废物桶的密封连接。添加剂进料管便于添加剂的加入，有利于提高水泥固化效果；所设计的添加剂吹扫接口便于采用气体对附着在添加剂进料管内壁上的添加剂进行吹扫，确保了添加剂用量的准确。The dry material filling cover of the invention belongs to an interface device. In the process of filling dry materials in the waste tank, since the radioactive waste liquid in the waste tank and the added dry material need to be stirred, the body of the dry material filling cover adopts a cylindrical design (that is, the cover tube), and the stirring device passes through the cover. The barrel is in sealing contact with the upper sealing ring, and the waste barrel is in sealing contact with the lower sealing ring of the cover barrel, thereby realizing the sealed connection between the feeding device and the waste barrel. The additive feed pipe is convenient for the addition of additives, which is beneficial to improve the cement curing effect; the designed additive purge interface is convenient for using gas to purge the additives attached to the inner wall of the additive feed pipe, ensuring the accuracy of the additive dosage.
水泥进料管外壁上设置的振动电机确保了干物料的顺利加注，避免了在废物桶内高湿条件下容易发生的堵塞等问题；水泥进料口附近设置的水泥吹扫接口也便于对水泥进料管内部进行吹扫清理。The vibrating motor installed on the outer wall of the cement feed pipe ensures the smooth filling of dry materials and avoids problems such as clogging that may easily occur under high humidity conditions in the waste bin; the cement purge interface installed near the cement feed port is also convenient for cleaning The interior of the cement feed pipe is purged and cleaned.
所述采用的由过滤器和风机构成的除尘系统有效去除了废物桶内上部空间的高浓度干物料粉尘，解决了干料加注罩与废物桶分离时的扬尘问题，有利于干物料加注操作的顺利进行。The dust removal system composed of filter and fan effectively removes the high-concentration dry material dust in the upper space of the waste bucket, solves the problem of dust raising when the dry material filling cover is separated from the waste bucket, and is beneficial to dry material filling The operation went smoothly.
干料加注罩每运行一段时间后，可以通过压缩气体接口引入一股压缩气体，对聚积在过滤器中的水泥进行反吹，确保过滤器的过滤效果，延长过滤器的使用时间。After the dry material filling hood has been running for a period of time, a stream of compressed gas can be introduced through the compressed gas interface to blow back the cement accumulated in the filter to ensure the filtering effect of the filter and prolong the service life of the filter.
所采用的差压变送器能够监控过滤器接管和风机接管之间的气压差，当气压差过高时停止风机的运转，以实现过滤器及接管的保护。The differential pressure transmitter used can monitor the air pressure difference between the filter pipe and the fan pipe, and stop the operation of the fan when the air pressure difference is too high, so as to realize the protection of the filter and the pipe.
所述水泥进料管和过滤器接管外壁上设置的电加热带能够较好的防止潮湿水泥的粘结，确保干料加注罩的长时间正常运行。The electric heating belt provided on the outer wall of the cement feeding pipe and the filter connecting pipe can better prevent the bonding of wet cement and ensure the long-term normal operation of the dry material filling hood.
综上所述，本发明的用于水泥固化的干料加注罩能够实现密封和搅拌条件下废物桶干物料的顺利加注，加注操作较为简便，有效解决了高湿条件下容易发生的堵塞、粘结等问题，便于实现加注过程的远距离操作，较好的满足了辐射安全和工艺可靠性要求。To sum up, the dry material filling cover for cement solidification of the present invention can realize the smooth filling of dry material in the waste barrel under the condition of sealing and stirring, and the filling operation is relatively simple, which effectively solves the problems that easily occur under high humidity conditions. Problems such as clogging and sticking can be easily realized in the long-distance operation of the filling process, which better meets the requirements of radiation safety and process reliability.
附图说明Description of drawings
图1本发明的干料加注罩主视图。Fig. 1 is the front view of the dry material filling cover of the present invention.
图2本发明的干料加注罩俯视图。Fig. 2 is a top view of the dry material filling cover of the present invention.
附图标记：1.罩筒，2.上密封圈，3.下密封圈，4.接近开关，5.添加剂进料管，6.添加剂吹扫接口，7.水泥进料管，8.水泥进料口，9.水泥吹扫接口，10.振动电机，11.过滤器，12.过滤器接管13.风机接管，14.风机，15.风机排风口，16.压缩气体接口，17.差压变送器，18.电加热带。Reference signs: 1. Cover tube, 2. Upper seal ring, 3. Lower seal ring, 4. Proximity switch, 5. Additive feed pipe, 6. Additive purge interface, 7. Cement feed pipe, 8. Cement Feed inlet, 9. Cement purge interface, 10. Vibration motor, 11. Filter, 12. Filter connection, 13. Fan connection, 14. Fan, 15. Fan exhaust port, 16. Compressed gas connection, 17. Differential pressure transmitter, 18. Electric heating belt.
具体实施方式Detailed ways
下面结合附图对本发明的实施方式做进一步的说明。Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
实施例Example
如附图1-2所示，本发明的干料加注罩包括罩筒、水泥进料管、过滤器和风机；所述罩筒为两端开放的筒体，其两端边缘处分别设有上密封圈和下密封圈，罩筒外壁上设有接近开关和添加剂进料管；所述添加剂进料管上设有添加剂吹扫接口；所述水泥进料管一端连接在罩筒外壁上，并与罩筒内部相连通，另一端封闭；水泥进料管的侧壁上设有垂直向上的水泥进料口，水泥进料口附近设有水泥吹扫接口；水泥进料管的外壁上设有振动电机；所述过滤器的进口端通过过滤器接管与罩筒内部相连通，出口端通过风机接管与所述风机的进风口相连通。As shown in the accompanying drawings 1-2, the dry material filling cover of the present invention includes a cover tube, a cement feed pipe, a filter and a fan; the cover tube is a cylinder with open ends, and There are an upper sealing ring and a lower sealing ring, a proximity switch and an additive feeding pipe are provided on the outer wall of the casing; the additive feeding pipe is provided with an additive purging interface; one end of the cement feeding pipe is connected to the outer wall of the casing , and communicate with the inside of the cover tube, and the other end is closed; the side wall of the cement feeding pipe is provided with a vertically upward cement feeding port, and a cement purge interface is provided near the cement feeding port; the outer wall of the cement feeding pipe is A vibrating motor is provided; the inlet end of the filter communicates with the inside of the cover tube through the filter connecting pipe, and the outlet end communicates with the air inlet of the fan through the fan connecting pipe.
所述过滤器上部还可以设有压缩气体接口；所述过滤器接管和风机接管之间还可以设有差压变送器；所述水泥进料管的外壁上还可以设有电加热带；所述过滤器接管的外壁上还可以设有电加热带。The upper part of the filter can also be provided with a compressed gas interface; a differential pressure transmitter can also be provided between the filter connecting pipe and the fan connecting pipe; an electric heating belt can also be provided on the outer wall of the cement feeding pipe; An electric heating belt may also be provided on the outer wall of the filter connecting pipe.
采用上述干料加注罩对盛有放射性浓缩废液的废物桶进行加料操作，具体步骤如下：Use the above-mentioned dry material filling cover to add material to the waste barrel filled with radioactive concentrated waste liquid. The specific steps are as follows:
(一)将盛有放射性浓缩废液的废物桶顶升，根据接近开关的信号控制废物桶开口与干料加注罩下密封圈吻合，实现密封接触；(1) Lift the waste barrel containing radioactive concentrated waste liquid, and control the opening of the waste barrel to coincide with the sealing ring under the dry material filling cover according to the signal of the proximity switch, so as to realize sealing contact;
(二)将干料加注罩与搅拌设备进行配合，使得干料加注罩上密封圈与搅拌设备密封接触；(2) Cooperate the dry material filling cover with the stirring equipment, so that the sealing ring on the dry material filling cover is in sealing contact with the stirring equipment;
(三)启动搅拌设备、风机和振动电机，通过水泥进料管向废物桶内加注干水泥，在振动电机的作用下，干水泥得以顺利加注；废物桶内上部空间的干水泥粉尘在风机的抽吸下被吸附于过滤器中；必要时，还可以适时通过水泥吹扫接口进行吹扫清理；(3) Start the mixing equipment, fan and vibrating motor, add dry cement to the waste bucket through the cement feed pipe, under the action of the vibrating motor, the dry cement can be filled smoothly; the dry cement dust in the upper space of the waste bucket is Under the suction of the fan, it is adsorbed in the filter; if necessary, it can also be purged and cleaned through the cement purge interface in due course;
(四)根据工艺需要，通过添加剂进料管向废物桶内加入添加剂，然后由添加剂吹扫接口进行吹扫；(4) According to the process requirements, add additives into the waste barrel through the additive feeding pipe, and then purge through the additive purge interface;
(五)干水泥加注及搅拌完成后，提升搅拌装置，降下废物桶，完成加料操作。(5) After the filling and mixing of dry cement is completed, the mixing device is raised, the waste bucket is lowered, and the feeding operation is completed.
Claims (5)
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| SE504321C2 (en) * | 1995-08-30 | 1997-01-13 | Asea Atom Ab | Apparatus and method for weighing a material supplied to a container during processing |
| CN201042660Y (en) * | 2006-11-30 | 2008-04-02 | 核工业第二研究设计院 | Spiral ribbon type planet stirring mixer |
| US8512216B2 (en) * | 2007-11-08 | 2013-08-20 | Energysolutions, Llc | System for and method of filling a container with hazardous waste |
| CN201732589U (en) * | 2010-07-16 | 2011-02-02 | 王镭 | Stirring leakage-preventive filling device inside stirring case |
| CN103366851B (en) * | 2013-07-15 | 2016-10-05 | 中广核工程有限公司 | Cement solidification method for radioactive wet waste |
| CN204695796U (en) * | 2015-06-04 | 2015-10-07 | 中核四川环保工程有限责任公司 | Packaged type radioactive liquid waste cement solidification device |
| CN204977040U (en) * | 2015-09-22 | 2016-01-20 | 西安璐江桥隧设备有限公司 | Take dust collector's mixer |
| CN205327466U (en) * | 2016-02-03 | 2016-06-22 | 中国原子能科学研究院 | A drier filling cover for cement curing |
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