CN218146770U - Simple dust concentration measuring structure of dry dedusting box - Google Patents
Simple dust concentration measuring structure of dry dedusting box Download PDFInfo
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- CN218146770U CN218146770U CN202222287412.0U CN202222287412U CN218146770U CN 218146770 U CN218146770 U CN 218146770U CN 202222287412 U CN202222287412 U CN 202222287412U CN 218146770 U CN218146770 U CN 218146770U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a simple dust concentration measuring structure of a dry dedusting box, which is provided with a clean gas pipeline, one end of the clean gas pipeline is connected with the dedusting box, the clean gas pipeline is also provided with an outlet gate valve and an outlet butterfly valve in sequence, a detection small hole is arranged at the rear part of the outlet butterfly valve on the clean gas pipeline, the detection small hole is connected with a detection pipe, the detection pipe is provided with a ball valve a and a ball valve b in sequence, the end of the detection pipe is provided with a loose joint detection head, and the loose joint detection head is used for detecting the gas cleaning degree in the clean gas pipeline; when the utility model is used for measuring the concentration of the clean gas and the dust on site, the gas in the dust removing box body can pass through the detachable loose joint detection head only by detecting the two ball valves on the pipeline through the operation switch, and the operation is very simple and easy; the condition of dust concentration in the dust removal box body can be obtained through the detection piece placed in the detachable loose joint detection head, and the detection is visual and efficient.
Description
Technical Field
The utility model belongs to the technical field of the iron and steel smelting dust removal auxiliary assembly technique and specifically relates to a simple and easy measurement structure of dry process dust removal box dust concentration is related to.
Background
In the smelting process of iron and steel enterprises, the dust content of coal gas discharged from the top of a blast furnace is 10-40 g/Nm & lt 3 & gt, and if dust removal and cleaning are not carried out, the coal gas has no use value, because a large amount of coal gas containing dust can block lattice bricks of a combustion chamber of a chemical coke oven, lattice bricks of a heat storage chamber of a blast furnace hot blast stove, burner nozzles of a heating furnace of a steel mill and igniters of a sintering machine during combustion, and simultaneously can cause pipeline blockage, scouring and corrosion of pipe walls in the long-distance conveying process, so that the maintenance amount of the whole system is increased, and even the production is influenced.
With the development of the steel industry, most steel enterprises adopt a blast furnace gas dry dedusting process, and some enterprises adopt a mode of combining a dry dedusting process and a wet dedusting process. Compared with wet dust removal, the blast furnace gas dry dust removal not only simplifies the process system, fundamentally solves the problems of secondary water pollution and sludge treatment, but also can obtain good effects of recovering physical heat of the gas, saving water and electricity, and can obviously improve the power generation level by matching with the dry TRT, thereby being a technical route with energy conservation, emission reduction and environmental protection. In the dry dust removal process, the dust concentration of a dry box body is always an important means for judging the use condition of a cloth bag.
At present, each dust removal box body in a smelting plant is provided with an instrument monitoring device, but because an instrument probe is easy to deposit dust, and because a clean gas platform is not provided with a roof and is in an open-air state, instrument data can be deviated frequently, and the real condition of the dust concentration of the box body can not be judged normally.
Disclosure of Invention
The utility model aims at providing a dry process dust removal box dust concentration simply measures structure to above-mentioned condition, the utility model discloses a measure the structure very simply, the operation simple accurate that gets up detects the cost and also very low.
The utility model discloses a concrete scheme is: the utility model provides a simple and easy measurement structure of dry process dust removal box dust concentration, has clean gas pipeline, and the one end of clean gas pipeline is connected with the dust removal box, still be equipped with export push-pull valve and export butterfly valve on the clean gas pipeline in proper order, lies in export butterfly valve rear and has seted up the detection aperture on clean gas pipeline, is connected with a detection tube on this detection aperture, ball valve an and ball valve b have set gradually on the detection tube, are equipped with a loose joint detection head on the end of detection tube, and this loose joint detection head is arranged in detecting the clean degree of gas in the clean gas pipeline.
Further, the utility model discloses in loose joint detection head link up including detecting the casing, and the both ends of detecting the casing are link up, and the one end threaded connection of detecting the casing is on the end of test tube, and the other end of detecting the casing is for lining up the mouth, has clamped a detection piece in the detection casing.
Further, the utility model discloses in it is cylindrical shape to detect the casing, is provided with ring groove in the detection casing, it clamps to detect the piece in the ring groove.
Furthermore, the detection piece of the utility model is made of a cloth piece of a filter bag of a dust remover.
Furthermore, the utility model discloses in detect aperture and test tube setting are in clean gas pipeline's bottom and set up down.
Further, in the present invention, the aperture of the detecting tube is 15mm, and the length of the detecting tube is 25-35 cm.
The utility model discloses the beneficial effect who has: (1) when the concentration of the clean gas and dust is measured on site, the gas in the dust removal box body can pass through the detachable loose joint detection head only by detecting the two ball valves on the pipeline through the operation switch, and the operation is very simple and convenient; (2) through the condition that just can obtain the dust concentration in the dust removal box at the detection piece of placing in detachable loose joint detection head, detect directly perceived high-efficient.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is a schematic view of the split structure of the loose joint detection head of the present invention.
In the figure: the gas detection device comprises a dust removal box body, a gas purification pipeline 2, an outlet gate valve 3, an outlet butterfly valve 4, a ball valve a, a ball valve b, a loose joint detection head 5, a detection pipe 6, a detection shell 9, an annular clamping groove 10 and a detection sheet 11.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The following describes the detailed technical solution of the present invention with only two embodiments.
Example 1:
referring to fig. 1 and 2, a simple dust concentration measuring structure of a dry dedusting box body comprises a clean gas pipeline 2, one end of the clean gas pipeline is connected with a dedusting box body 1, an outlet gate valve 3 and an outlet butterfly valve 4 are sequentially arranged on the clean gas pipeline, a detection small hole is formed in the position, behind the outlet butterfly valve, on the clean gas pipeline, a detection pipe 8 is connected to the detection small hole, a ball valve a5 and a ball valve b6 are sequentially arranged on the detection pipe, and a loose joint detection head 7 is arranged at the end of the detection pipe and used for detecting the gas cleaning degree in the clean gas pipeline; furthermore, the loose joint detection head in the utility model comprises a detection shell 9, both ends of the detection shell are through, one end of the detection shell is connected to the end of the detection tube by screw thread, the other end of the detection shell is a through hole, and a detection piece 11 is clamped in the detection shell; in the utility model, the detection shell is in a cylindrical shape, the cylindrical cylinder is divided into a connecting cylinder and two ends of a detection cylinder cavity during actual manufacturing, the inner wall of the connecting cylinder at the front end is provided with threads for being connected with the threads of the detection tube, an annular clamping groove 10 is arranged in the detection cylinder cavity of the detection shell, and the detection sheet is clamped in the annular clamping groove; the detection piece in the utility model is made of a round piece cut from the filter bag cloth of the dust remover; further, in the present invention, the aperture of the detecting tube is 15mm, and the length of the detecting tube is 25cm.
When detection is not needed at ordinary times, the ball valve a and the ball valve b are both in a closed state, so that normal dust removal work of the dust removal box body cannot be influenced.
When the gas dust removal box is required to be measured, the detachable loose joint detection head is screwed down when the ball valves a and b are closed, the measured detection piece is placed in an annular clamping groove in the loose joint detection head to be clamped (the size of the detection piece is just the same as the inner diameter of the loose joint detection head), the loose joint detection head is screwed up to be assembled, then the ball valve b is opened firstly, a person stands on the upper blast head and then the ball valve a is opened, the ball valves a and b are closed after 3-5 minutes of gas in the dust removal box passes through the detection piece of the loose joint detection head, the detection piece is taken out from the loose joint detection head, and a worker directly observes how dense dust particles on the detection piece, so that the measurement result can be judged.
In normal work, when the ball valve b breaks down, the ball valve a can be closed, and then the ball valve b is replaced; if ball valve a breaks down, accessible ball valve b controls, also can measure work, waits to stop the wind and changes ball valve a again.
Example 2:
referring to fig. 1 and 2, a simple dust concentration measuring structure of a dry dedusting box body comprises a clean gas pipeline 2, one end of the clean gas pipeline is connected with a dedusting box body 1, an outlet gate valve 3 and an outlet butterfly valve 4 are sequentially arranged on the clean gas pipeline, a detection small hole is formed in the position, behind the outlet butterfly valve, on the clean gas pipeline, a detection pipe 8 is connected to the detection small hole, a ball valve a5 and a ball valve b6 are sequentially arranged on the detection pipe, and a loose joint detection head 7 is arranged at the end of the detection pipe and used for detecting the gas cleaning degree in the clean gas pipeline; the utility model discloses in the loose joint detection head include detect casing 9, detect both ends of casing to link up, detect one end threaded connection of casing on the end of detection tube, detect the other end of casing and be the through hole, a detection piece 11 is clamped in the detection casing; in the utility model, the detection shell is cylindrical, the cylindrical is divided into a connecting cylinder and two ends of a detection cylinder cavity during actual manufacturing, the inner wall of the connecting cylinder at the front end is provided with threads for being connected with the detection pipe threads, an annular clamping groove 10 is arranged in the detection cylinder cavity of the detection shell, and the detection piece is clamped in the annular clamping groove; the detection piece in the utility model is made of a round piece cut from the filter bag cloth of the dust remover; the aperture of the detection tube in the utility model is 15mm, the length of the detection tube is 30cm, the length is convenient for manufacturing, and meanwhile, clean gas can flow down from the upper side conveniently; the detection small hole and the detection pipe are arranged at the bottom of the clean gas pipeline and are arranged downwards.
In this embodiment, the ball valves a and b are two 4-point ball valves.
When detection is not needed at ordinary times, the ball valve a and the ball valve b are both in a closed state, so that normal dust removal work of the dust removal box body cannot be influenced.
When the gas dust removal box is required to be measured, the detachable loose joint detection head is screwed down when the ball valves a and b are closed, the measured detection piece is placed in an annular clamping groove in the loose joint detection head to be clamped (the size of the detection piece is just the same as the inner diameter of the loose joint detection head), the loose joint detection head is screwed up to be assembled, then the ball valve b is opened firstly, a person stands on the upper blast head and then the ball valve a is opened, the ball valves a and b are closed after 3-5 minutes of gas in the dust removal box passes through the detection piece of the loose joint detection head, the detection piece is taken out from the loose joint detection head, and a worker directly observes how dense dust particles on the detection piece, so that the measurement result can be judged.
In normal work, when the ball valve b breaks down, the ball valve a can be closed, and then the ball valve b is replaced; if ball valve a breaks down, accessible ball valve b controls, also can carry out measurement work, waits to stop the amortization and changes ball valve a again.
The above embodiments are merely two preferred embodiments of the present invention, and the practical implementation process is not limited thereto.
Claims (6)
1. The utility model provides a simple and easy measurement structure of dry process dust removal box dust concentration, has clean gas conduit, and clean gas conduit's one end is connected with the dust removal box, still be equipped with export push-pull valve and export butterfly valve, its characterized in that on the clean gas conduit in proper order: the gas cleaning device is characterized in that a detection small hole is formed in the clean gas pipeline behind the outlet butterfly valve, a detection pipe is connected to the detection small hole, a ball valve a and a ball valve b are sequentially arranged on the detection pipe, and a loose joint detection head is mounted at the end of the detection pipe and used for detecting the gas cleaning degree in the clean gas pipeline.
2. The simple dust concentration measuring structure of the dry dedusting box body according to claim 1, is characterized in that: the loose joint detection head comprises a detection shell, two ends of the detection shell are communicated, one end of the detection shell is in threaded connection with the end of the detection pipe, the other end of the detection shell is a through hole, and a detection piece is clamped in the detection shell.
3. The simple dust concentration measuring structure of the dry dedusting box body according to claim 2, is characterized in that: the detection shell is cylindrical, an annular clamping groove is formed in the detection shell, and the detection piece is clamped in the annular clamping groove.
4. The simple dust concentration measuring structure of the dry dedusting box body according to claim 2, is characterized in that: the detection piece is made of a filter bag cloth piece of a dust remover.
5. The simple dust concentration measuring structure of the dry dedusting box body according to claim 1, characterized in that: the detection small hole and the detection pipe are arranged at the bottom of the clean gas pipeline and face downwards.
6. The simple dust concentration measuring structure of the dry dedusting box body according to claim 1, is characterized in that: the aperture of the detection tube is 15mm, and the length of the detection tube is 25-35 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287412.0U CN218146770U (en) | 2022-08-30 | 2022-08-30 | Simple dust concentration measuring structure of dry dedusting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287412.0U CN218146770U (en) | 2022-08-30 | 2022-08-30 | Simple dust concentration measuring structure of dry dedusting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218146770U true CN218146770U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222287412.0U Active CN218146770U (en) | 2022-08-30 | 2022-08-30 | Simple dust concentration measuring structure of dry dedusting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218146770U (en) |
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2022
- 2022-08-30 CN CN202222287412.0U patent/CN218146770U/en active Active
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