CN212039441U - Vertical air inlet cubic water conservancy diversion bag collector - Google Patents

Abstract

The utility model discloses a vertical air inlet cubic water conservancy diversion bag collector, the power distribution box comprises a box body, the clean room, the card, the filter bag, the import of dirty gas, a guide plate, the secondary guide plate, the card is installed below neighbouring gas outlet that purifies, and be the box below the card, and purify gas outlet and set up the one side at the clean room, the vertical arrangement in box one side of dirty gas inlet, a guide plate setting is in the below horizontal installation of dirty air inlet in the water conservancy diversion chamber, the secondary guide plate sets up the below at a guide plate, the cubic guide plate sets up the below at the secondary guide plate. The technology adopts vertical air inlet and three-time diversion design, and the vertical air inlet can greatly prolong the gas flow, is convenient for the arrangement of a diversion system and is beneficial to buffering and diffusion of gas flow; the third diversion is to buffer high-speed airflow step by step to make the airflow uniformly distributed, and the airflow slowly enters the filter bag area, so that the local impact damage of the filter bag can be greatly reduced, the continuous operation period of the dust remover is greatly prolonged, the maintenance cost is reduced, and the production cost of enterprises is reduced.

Description

Vertical air inlet cubic water conservancy diversion bag collector

Technical Field

The utility model relates to a dust remover, the specially adapted environmental protection technology field uses.

Background

The main process flow of the coal preparation system in the dry coal powder gasification process is as follows: coal grinding → inert gas delivery → separation of coal powder and inert gas → coal powder storage → coal powder feeding, wherein the coal powder needs to be stored and pressurized before feeding, the pressure needs to be released before recharging after feeding, a large amount of dust is generated in the pressure release process, and a pressure relief pipe is generally adopted to be connected into a bag type dust collector for dust removal and then released to the atmosphere. The process has the advantages that the gas pressure at the inlet of the dust remover is up to 2Mpa, the flow rate is up to more than 50m/s, and the filter bag is easy to scour and damage due to very strong impact force. According to investigation, the long service life of the filter bag of the bag type dust collector under the working condition is half a year and several days, and the reason is that the structure of the flow guide system is not ideal, and high-speed and high-pressure airflow cannot be sufficiently released and buffered. The traditional structure is usually from ash bucket and box handing-over regional access pressure relief pipe, and pressure relief pipe and the general 45~60 of horizontal contained angle, this structure air current buffer distance is little, and the diversion system is difficult to arrange to be difficult to obtain ideal performance.

The patent granted by the national patent office has the patent numbers: 201920027-92.0, entitled "bag dust collector", is characterized in that: the device comprises a box body, a flower plate and a cleaning chamber, wherein the flower plate is arranged between the box body and the cleaning chamber, an air inlet is arranged at one side of the box body and is parallel to the air inlet direction of a primary flow guide partition plate arranged in the box body, a primary flow guide plate is arranged below the flower plate and separates an air inlet channel from a filter bag arranged in the flower plate, a secondary flow guide plate is arranged in the primary flow guide plate, a built-in air channel is arranged in the box body, the upper part of the built-in air channel is provided with an inlet which is connected with one end of an opening on the flower plate, the other end of the opening is connected with an outlet of the cleaning chamber, and the lower part of the built-in air channel is provided with an outlet which is connected with an air outlet, the device has the defects of 1, horizontal air inlet and is only suitable for the occasion that an air inlet pipe is horizontally butted, 2, the secondary flow guide plates are arranged in the primary flow, when the air flow is highly concentrated and the flow rate reaches 50m/s, effective buffering and dispersion cannot be performed.

Disclosure of Invention

The utility model aims to provide a mainly used dry coal powder gasification equipment coal system basin pressure release is removed dust or the high-speed dust-laden gas's of similar high pressure dust removal, enables high-speed dusty air current effective buffering in the dust remover, removes dust behind the pressure release equipartition, a vertical air inlet cubic water conservancy diversion bag collector.

The utility model discloses a task is accomplished like this, including box, clean room, card, filter bag, dusty gas import, a guide plate, secondary guide plate, its characterized in that: the card is installed below neighbouring purification gas export, and is the box below the card, and the purification gas export setting in one side of clean room, and the dust-laden gas import is vertical to be arranged in box one side, the setting of guide plate is in the below horizontal installation of dust-laden air inlet in the water conservancy diversion chamber once, and the setting of secondary guide plate is in the below of guide plate once, and the setting of cubic guide plate is in the below of secondary guide plate.

One end of the primary guide plate, one end of the secondary guide plate and one end of the tertiary guide plate are connected with the inner plate of the box body, the other end of the primary guide plate, the secondary guide plate and the tertiary guide plate are connected with the partition plate, and the blowing device is installed in the cleaning chamber.

The water conservancy diversion chamber comprises box inner panel and baffle, the baffle is placed along the longitudinal position of box, and baffle one end upwards extends to the clean room along the box and is the blind end, and the baffle other end extends downwards along the box and is open end.

The secondary guide plate and the tertiary guide plate are formed by a plurality of parallel inverted V-shaped plates and are arranged in the horizontal direction at a certain interval.

The mounting number of the filter bags is equal to the number of the flower plate assembling holes processed on the flower plate, one end of each filter bag is assembled with the assembling holes processed on the flower plate, and the other end of each filter bag is suspended in the inner box of the box body to form a filter bag area.

The utility model discloses has following effect: the technical scheme adopts vertical air inlet and three-time diversion design, and the vertical air inlet can greatly prolong the gas flow, is convenient for the arrangement of a diversion system and is beneficial to buffering and diffusion of gas flow; the third diversion is to buffer high-speed airflow step by step to make the airflow uniformly distributed, and the airflow slowly enters the filter bag area, so that the local impact damage of the filter bag can be greatly reduced, the continuous operation period of the dust remover is greatly prolonged, the maintenance cost is reduced, and the production cost of enterprises is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a side view of fig. 1.

Description of the drawings: 1. the device comprises a box body, 2, a clean room, 3, an ash hopper, 4, a pattern plate, 5, a filter bag, 6, a dust-containing gas inlet, 7, a primary guide plate, 8, a secondary guide plate, 9, a tertiary guide plate, 10, a partition plate, 11, an ash discharge port, 12, a purified gas outlet, 13, a blowing device, 14 and a guide cavity.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The specific embodiment is shown in the figure, comprising a box body 1, a clean room 2, a flower plate 4, a filter bag 5, a dust-containing gas inlet 6, a primary guide plate 7, a secondary guide plate 8 and a purified gas outlet 12, wherein the flower plate 4 is arranged below the purified gas outlet 12, the box body 1 is arranged below the flower plate, the purified gas outlet is arranged at one side of the clean room 2, the dust-containing gas inlet 6 is vertically arranged at one side of the box body, the dust-containing gas inlet vertically arranged at one side of the box body greatly prolongs the gas flow, overcomes the defect of short horizontal air inlet flow in the prior art, in order to buffer high-speed air flow, the air flow is uniform, the air flow slowly enters the filter bag area, the technical scheme designs three-time flow guide, the primary guide plate is arranged below the dust-containing gas inlet and horizontally arranged in a flow guide cavity 14, the secondary guide plate 8 is arranged below the primary guide plate, and the tertiary guide plate 9 is, one end of the primary guide plate, one end of the secondary guide plate and one end of the tertiary guide plate are connected with the inner plate of the box body, the other end of the primary guide plate, the secondary guide plate and the tertiary guide plate are connected with the partition plate, dust-containing gas is guided by the primary guide plate, the secondary guide plate and the tertiary guide plate, then the gas flow is uniform and buffered, and enters the filter bag area, and the blowing device 13 is.

The flow guide cavity 14 is composed of a box inner plate and a partition plate 10, the partition plate 10 is placed along the longitudinal position of the box, one end of the partition plate extends upwards to the clean room along the box to form a closed end, the other end of the partition plate extends downwards to form an open end, the purpose of the flow guide cavity designed by the technical scheme is that a primary flow guide plate, a secondary flow guide plate and a tertiary flow guide plate are sequentially placed, and secondly, after air flow enters the flow guide cavity from a dust-containing air inlet, the flow direction of the forced air flow in the flow guide cavity is realized, and high-speed air flow guided step by step for three times stably.

The dust-laden gas inlet is at least 1 or more.

The secondary guide plate and the tertiary guide plate are composed of a plurality of inverted V-shaped plates arranged side by side and arranged in the horizontal direction at a certain interval, and the inverted V-shaped plates have the beneficial effects that airflow forms a certain angle and is not impacted frontally, so that the purposes of buffering, shunting and reducing speed can be achieved.

The mounting number of the filter bags 5 is equal to the number of the flower plate assembling holes processed on the flower plate 4, one ends of the filter bags are assembled with the assembling holes processed on the flower plate, and the other ends of the filter bags are suspended in the inner box of the box body to form a filter bag area.

An ash hopper 3 is movably connected below the box body 1, and an ash discharge port 11 is arranged below the ash hopper.

The blowing device 13 comprises a blowing pipeline and blowing nozzles, the blowing pipeline is arranged in the clean room, the blowing nozzles are arranged on the blowing pipeline at intervals, the blowing medium adopts compressed gas, and the structure is the prior art and is not detailed any more.

When the device works, high-speed dust-containing gas vertically enters a flow guide cavity 14 formed by a wall plate of the box body 1 and the partition plate 10 from the dust-containing gas inlet 6 downwards, the airflow and the primary flow guide 7 form front impact, namely primary flow guide, and after the flow guide, the airflow is divided to two sides and descends after speed reduction. The downward air flow flows through the secondary guide plate 8, and the air flow is further diffused and decelerated after the secondary guide and then descends. The downward air flow flows through the third guide plate 9 again, and the air flow is diffused and decelerated again after the third guide. The airflow after the three times of diversion passes through the clapboard 10 and enters the filter bag area. The dust-containing gas entering the filter bag area is filtered by the filter bag 5, the dust is blocked on the surface of the filter bag, and the clean gas penetrates through the filter bag, enters the cleaning chamber 2 and is discharged through the purified gas outlet 12. Along with the increase of the dust accumulation on the surface of the filter bag 5, the blowing device 13 can perform pulse back blowing ash removal on the filter bag 5 according to a certain time or resistance index, and the back blowing airflow enables the dust to be stripped from the surface of the filter bag and fall into the ash hopper 3, and then the dust is discharged through the ash discharge port 11.

The flow velocity of gas entering from the dust-containing gas inlet 6 is about 50m/s generally, after three times of diversion, the highest flow velocity of gas entering into the filter bag area is controlled below 5m/s generally, and the specific sizes and the arrangement of the primary diversion plate 7, the secondary diversion plate 8 and the third diversion plate 9 are further determined through fluid analysis and calculation.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected, and may communicate between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (5)

1. The utility model provides a vertical air inlet cubic water conservancy diversion bag collector, includes box, clean room, card, filter bag, dust-laden gas import, a guide plate, secondary guide plate, its characterized in that: the card is installed below neighbouring purification gas export, and is the box below the card, and the purification gas export setting in one side of clean room, and the dust-laden gas import is vertical to be arranged in box one side, the setting of guide plate is in the below horizontal installation of dust-laden air inlet in the water conservancy diversion chamber once, and the setting of secondary guide plate is in the below of guide plate once, and the setting of cubic guide plate is in the below of secondary guide plate.

2. The vertical air intake three-time diversion bag type dust collector of claim 1, wherein: one end of the primary guide plate, one end of the secondary guide plate and one end of the tertiary guide plate are connected with the inner plate of the box body, the other end of the primary guide plate, the secondary guide plate and the tertiary guide plate are connected with the partition plate, and the blowing device is installed in the cleaning chamber.

3. The vertical air intake three-time diversion bag type dust collector of claim 1, wherein: the water conservancy diversion chamber comprises box inner panel and baffle, the baffle is placed along the longitudinal position of box, and baffle one end upwards extends to the clean room along the box and is the blind end, and the baffle other end extends downwards along the box and is open end.

4. The vertical air intake three-time diversion bag type dust collector of claim 2, wherein: the secondary guide plate and the tertiary guide plate are formed by a plurality of parallel inverted V-shaped plates and are arranged in the horizontal direction at a certain interval.

5. The vertical air intake three-time diversion bag type dust collector of claim 1, wherein: the mounting number of the filter bags is equal to the number of the flower plate assembling holes processed on the flower plate, one end of each filter bag is assembled with the assembling holes processed on the flower plate, and the other end of each filter bag is suspended in the inner box of the box body to form a filter bag area.

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