Bag type slag sampling device suitable for dry type slag extractor

Abstract

The bag type slag sampling device comprises a collecting bag, a contraction strip, a handheld rod and a filter screen, the collecting bag is fixedly connected with the handheld rod, the outer edge of a bag opening of the collecting bag is folded downwards and connected with the collecting bag to form an annular groove structure, the contraction strip is arranged in the annular groove, and the handheld rod is arranged in the annular groove. The two ends of the collecting bag extend out of the annular groove, and a filter screen is further arranged in the collecting bag. According to the sampling device, the annular groove structure is arranged at the top of the collecting bag, the bag opening of the collecting bag can be tightened by pulling the contraction strip, the collecting bag can be closed after sampling is completed, effective sampling is guaranteed, coke blocks can be filtered by arranging the filter screen, and the sampling accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of equipment more particularly relates to a kind of bag type furnace slag sampling device suitable for dry slag extractor. BACKGROUND

[0002] In the operation process of power plant boiler, it is necessary to analyze slag regularly to ensure the efficient and safe operation of the boiler. The traditional slag sampling method is inefficient, and there are safety hazards under high temperature conditions. Therefore, it is particularly important to develop a safe and efficient slag sampling device.

[0003] The existing dry slag extractor sampling method generally has two kinds, one is automatic sampling, which is a kind of periodic or continuous slag sampling method using automatic equipment, this method has less manual intervention, but the initial investment is larger;The other is manual sampling, which is a kind of most basic but still very useful sampling method under certain conditions, but the existing manual sampling device structure is relatively complex, inconvenient to operate and easy to damage. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is how to ensure the accuracy of slag sampling.

[0005] The utility model solves the above technical problems by the following technical means: a kind of bag type furnace slag sampling device suitable for dry slag extractor, including collection bag, contraction strip, hand rod, filter screen, the collection bag is fixedly connected with hand rod, the bag opening of the collection bag is folded downward and connected with the collection bag to form a ring groove structure, the contraction strip is arranged in the ring groove, and both ends thereof extend to the outside of the ring groove, the filter screen is further arranged in the collection bag.

[0006] By setting ring groove structure on the top of collection bag, the bag opening of collection bag can be tightened by pulling contraction strip, which meets the needs of closing collection bag after sampling is completed, ensures effective sampling, and by setting filter screen, larger coke can be filtered, which improves sampling accuracy.

[0007] As a preferred technical scheme, the filter screen and the inner wall of the collection bag are in interference fit.

[0008] As a preferred technical scheme, the filter screen includes a head portion, the inner wall of the collection bag is provided with a magnetic attraction block matched with the shape of the head portion, and the head portion and the magnetic attraction block are magnetically attracted and fixed.

[0009] As a preferred technical scheme, the filter screen further includes a rod portion, and the rod portion and the hand rod are magnetically attracted and fixed.

[0010] As a preferred technical scheme, the magnetic attraction block is annularly arranged.

[0011] As a preferred technical solution, the magnetic block is provided with a plurality of magnetic blocks, and is distributed along the circumference of the head.

[0012] As a preferred technical solution, the gap between the filter screen and the inner wall of the collection bag is less than the filter diameter of the filter screen.

[0013] As a preferred technical solution, the shrinkable strip is a silica gel strip.

[0014] As a preferred technical solution, the filter screen has a filter diameter of 5mm.

[0015] As a preferred technical solution, the opening direction of the collection bag is the same as the air direction in the dry slag discharge machine.

[0016] The beneficial effects of the present application are as follows:

[0017] (1) In the present application, the annular groove structure is arranged on the top of the collection bag, and the shrinkable strip can be pulled to tighten the opening of the collection bag, so that the collection bag can be closed after sampling, ensuring effective sampling, and the filter screen can filter the focus block, improving the sampling accuracy.

[0018] (2) In the present application, the collection bag is made of flexible material, and the shrinkable strip is made of silica gel strip, which can meet the temperature requirements in the dry slag discharge machine. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structure schematic view provided by the present application is provided.

[0020] Figure 2 The use state schematic view provided by the present application is provided.

[0021] Reference numeral: 1, collection bag; 2, shrinkable strip; 3, hand rod; 4, filter screen; 41, head; 42, rod; 5, magnetic block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below, obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] Reference Figure 1The utility model provides a bag type furnace slag sampling device suitable for dry type slag extractor, including collection bag 1, contraction strip 2, handheld rod 3, filter screen 4, magnetic attraction piece 5, collection bag 1 is fixedly connected with handheld rod 3, and the bag mouth outside of collection bag 1 is folded down and is fixedly connected with collection bag 1 and forms a annular groove structure, and contraction strip 2 is arranged in the annular groove, and both ends thereof extend to the outside of annular groove, in the embodiment, contraction strip 2 is silica gel strip, and the opening direction of collection bag 1 is same as the wind direction in dry type slag extractor, so that the wind in dry type slag extractor can blow up collection bag 1, and filter screen 4 is further arranged in collection bag 1, by setting filter screen 4, larger coke can be filtered, and the sampling accuracy is improved.

[0024] Referring to Figure 1 、 Figure 2 Filter screen 4 includes head 41 and rod 42, and magnetic attraction piece 5 that is adapted to the shape of head 41 is arranged on the inner wall of collection bag 1, head 41 is fixedly connected with magnetic attraction piece 5, and rod 42 is fixedly connected with handheld rod 3; magnetic attraction piece 5 can be annular, which completely fills the gap between the outer wall of filter screen 4 and the outer wall of collection bag 1, or magnetic attraction piece 5 is provided with a plurality of magnetic attraction pieces, which are distributed along the circumference of head 41, and the gap between filter screen 4 and the inner wall of collection bag 1 is less than the filter diameter of filter screen 4, and in the embodiment, the filter diameter of filter screen 4 is 5 mm, that is, the thickness of magnetic attraction piece 5 is less than 5 mm.

[0025] It should be noted that filter screen 4 and the inner wall of collection bag 1 are in interference fit, collection bag 1 is made of flexible material that can withstand high temperature, head 41 and rod 42 are made of iron, and handheld rod 3 and magnetic attraction piece 5 can be magnetite; referring to Figure 2 The end of head 41 of filter screen 4 and the inner wall of collection bag 1 form a first connection point, the first connection point is located at a position extending from the bag opening of collection bag 1 to the inside of the bag opening by a certain distance, and the collection bag 1 between the bag opening and the first connection point is redundantly arranged to provide a contraction space for the contraction of contraction strip 2.

[0026] The use method is as follows: collection bag 1 is placed towards the wind direction in dry type slag extractor, that is, placed towards the left as shown in the figure, after collecting the required slag sample, the bag opening of collection bag 1 is contracted by pulling contraction strip 2, and collection bag 1 can be taken out of dry type slag extractor by handheld rod 3. Figure 2

[0027] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.​

Claims

1. A bag-type slag sampling device suitable for a dry slag discharger, characterized in that: Including collecting bag (1), shrinkage strip (2), handheld rod (3), filter screen (4), the collecting bag (1) is fixedly connected with handheld rod (3), the bag opening outer edge of the collecting bag (1) is folded down and is connected with the collecting bag (1) to form a ring groove structure, the shrinkage strip (2) is located in the ring groove, and both ends thereof extend to the outside of the ring groove, the collecting bag (1) is further provided with filter screen (4) in.

2. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 1, wherein, The filter screen (4) is interference fit with the inner wall of the collecting bag (1).

3. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 1, wherein, The filter screen (4) includes a head portion (41), and the inner wall of the collecting bag (1) is provided with a magnetic block (5) matched with the shape of the head portion (41), and the head portion (41) is magnetically attracted and fixed with the magnetic block (5).

4. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 3, wherein, The filter screen (4) further includes a rod portion (42), and the rod portion (42) is magnetically attracted and fixed with the handheld rod (3).

5. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 3, wherein, The magnetic block (5) is annularly arranged.

6. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 3, wherein, The magnetic block (5) is provided with a plurality of magnetic blocks, and the magnetic blocks are distributed along the circumference of the head portion (41) at intervals.

7. A bagged slag sampling device suitable for use with a dry slagging machine as claimed in claim 3, wherein, The gap between the filter screen (4) and the inner wall of the collecting bag (1) is less than the filter diameter of the filter screen (4).

8. A bagged slag sampling device suitable for use with a dry slagging machine according to claim 1, wherein, The shrinkage strip (2) is a silica gel strip.

9. A bagged slag sampling device suitable for use with a dry slagging machine according to claim 1, wherein, The filter diameter of the filter screen (4) is 5 mm.

10. A bagged slag sampling device suitable for use with a dry slagging machine according to claim 1, wherein, The opening direction of the collecting bag (1) is the same as the air direction in the dry slag discharger.

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