CN219639534U - Fire-fighting safety protection equipment for dust pipeline - Google Patents

Abstract

The utility model discloses fire-fighting safety protection equipment for dust pipelines, which belongs to the technical field of fire-fighting equipment and comprises a shell, a non-return device, an inlet pipe, an outlet pipe and a pressure relief pipe, wherein the inlet pipe is fixedly connected with the outer wall of one side of the shell, one end of the inlet pipe extends to the inside of the shell, an inclined opening is formed in the inner wall of the inlet pipe, the non-return device penetrates through the shell and extends to the outer side of the shell, the outer wall of the other side of the shell is fixedly connected with the outlet pipe, the side wall of the shell is fixedly connected with the pressure relief pipe, the non-return device comprises a rotating shaft, a non-return plate, a connecting rod, a balancing weight, a compression bolt, a reinforcing plate and a stop rod, a rotating shaft is connected between the inner walls of the two sides of the shell, the non-return plate is welded at the bottom of the rotating shaft, the connecting rod is welded at one end of the rotating shaft, the top end of the connecting rod is connected with the balancing weight, the outer wall of the balancing weight is connected with the compression bolt through threads, one end of the compression bolt is welded with the reinforcing plate, and the outer wall of the shell is welded with the stop rod. Solves the problem that dust is easy to explode when encountering fire during the transportation in the pipeline, which causes interlink explosion.

Description

Fire-fighting safety protection equipment for dust pipeline

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to fire-fighting safety protection equipment for a dust pipeline.

Background

In industrial production, often carry through the pipeline when carrying out production transportation to the material of dust class for the dust can not spread everywhere in the pipeline inside, and then guaranteed the overall environment of transfer chain. But the dust materials in the prior art are easy to explode when encountering fire during the transportation in the pipeline, and the interlink explosion phenomenon is easy to occur, the whole transportation pipeline is damaged during the dust explosion, and huge loss is caused for enterprises.

In the prior art, the patent application number is 202123404197.X, and the name is a safe type dust conveying pipeline, and the dust explosion is avoided by setting up explosion-proof safety valve and the structure such as sunshade component inside the pipe wall in the pipeline main body and setting up airtight inner interlayer. However, the prior art has the following problems: (1) The possibility of dust explosion cannot be completely eradicated by cooling the dust conveying pipeline, and effective preventive measures are not adopted in the prior art for the condition that the dust material is exploded to cause serial explosion; (2) Dust explosion and the resulting cascade explosion can cause damage to the entire conveying pipeline, and no effective protection measures are provided for the conveying pipeline in the prior art.

Therefore, it is necessary to develop a device for preventing the serial explosion after the dust explosion and protecting the conveying pipeline, so as to avoid huge loss caused by enterprises.

Disclosure of Invention

Therefore, the utility model provides a safe dust conveying pipeline, which solves the problem of cascade explosion caused by dust explosion in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a fire control safety protection equipment for dust pipeline, includes casing, non-return device, advances pipe, exit tube and pressure release pipe, one side outer wall fixed connection of casing advances the pipe, advance the one end of pipe to the inside of casing is provided with the bevel connection, non-return device runs through casing both sides inner wall and extends to the casing outside, the opposite side outer wall fixed connection exit tube of casing, one side outer wall fixed connection pressure release pipe of casing.

Further, the non-return device includes pivot, non-return board, connecting rod, balancing weight, hold-down bolt, gusset and pin, be connected with the pivot through the bearing between the both sides inner wall of casing, the bottom outer wall welding of pivot has the non-return board, the one end of pivot extends to the outside of casing and welding have the connecting rod, the top of connecting rod has the balancing weight through threaded connection, the outer wall of balancing weight passes through threaded connection hold-down bolt, just hold-down bolt's one end welding has the gusset, one side of casing outer wall still welds the pin.

Further, a baffle ring, a baffle plate and an air support are arranged in the pressure relief pipe, the baffle ring is welded on the inner wall of the pressure relief pipe, the baffle plate is hinged to the outer wall of the bottom of the baffle ring through a shaft, and the air support is hinged to the inner wall of the pressure relief pipe through a shaft.

Further, a sealing gasket is adhered to the outer wall of the top of the baffle, and the sealing gasket is matched with the baffle ring.

Further, the shell comprises an inner layer, a sound insulation layer and an outer layer, and the sound insulation layer is arranged between the inner layer and the outer layer.

Further, still include go into the pipe the exit tube with the one end of pressure release pipe all welds the go-between, the outer wall of go-between is opened there is evenly distributed's connecting hole.

Further, a mounting plate is welded on the outer wall of one side of the shell, and mounting holes are symmetrically formed in the mounting plate.

Further, the stop lever is adjacent to the rotating shaft, and the stop lever is opposite to the connecting rod.

Further, the non-return plate is adapted to the bevel connection.

Further, the gas strut is configured as a gas spring.

The utility model has the following advantages:

1. according to the utility model, the inclined opening is plugged by arranging the non-return plate, so that explosion is prevented from extending into the pipe, and one side of the dust pipe, which is connected with the pipe, is isolated, and the risk of cascade explosion is prevented.

2. According to the utility model, the baffle ring and the air support are arranged, and the baffle ring is closed by utilizing the supporting force of the air support, so that the baffle can be opened by the air flow of explosion when the explosion happens, and the pressure in the shell and the dust pipeline is released, so that the dust pipeline is prevented from being damaged when the cascade explosion happens.

3. Through the hold-down bolt and the gusset that set up, rotate hold-down bolt through the gusset for the balancing weight can be fixed on the connecting rod, and sensitivity when making the non-return plate rotate can be adjusted, and then the effect of being convenient for debug when making protective equipment install.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the overall structure of a fire safety protection device for dust pipelines according to the present utility model;

FIG. 2 is a schematic view of an internal structure provided by the present utility model;

FIG. 3 is a schematic diagram of a pressure relief tube according to the present utility model;

FIG. 4 is an enlarged view of FIG. 2A provided in the present utility model;

in the figure: 1. a housing; 101. an inner layer; 102. a sound insulation layer; 103. an outer layer; 2. a non-return device; 201. a rotating shaft; 202. a non-return plate; 203. a connecting rod; 204. balancing weight; 205. a compression bolt; 206. a gusset; 207. a stop lever; 3. feeding a pipe; 301. a bevel opening; 4. a pipe outlet; 5. a pressure relief tube; 501. a baffle ring; 502. a baffle; 503. a sealing gasket; 504. air supporting; 6. a connecting ring; 7. a connection hole; 8. a mounting plate; 9. and (5) mounting holes.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1, the embodiment of the utility model provides a fire-fighting safety protection device for a dust pipeline, which aims to solve the problems of cascade explosion and the like caused by dust explosion in the prior art.

As shown in fig. 1, the device specifically comprises a shell 1, a non-return device 2, an inlet pipe 3, an outlet pipe 4 and a pressure relief pipe 5, wherein the shell 1 is made of carbon steel or 304 stainless steel, so that the mechanical strength is improved, and explosion damage is prevented. When the dust material is conveyed, the dust material enters the shell 1 through the inlet pipe 3, the inclined opening 301 is arranged in the shell 1, one end of the inlet pipe 3 extends to the shell 1, the inclined opening 301 can guide the dust material, the dust material is conveniently and tightly blocked, and the dust material is prevented from extending to the inside of the inlet pipe 3 during explosion. The non-return device 2 runs through the inner walls of the two sides of the shell 1 and extends to the outer side of the shell 1, and is positioned above the inlet pipe 3, the outer wall of the other side of the shell 1 is welded with the outlet pipe 4, dust materials passing through the shell 1 flow out through the outlet pipe 4, one side of the shell 1 is fixedly connected with the pressure relief pipe 5, the pressure relief pipe 5 plays a role in adjusting the air pressure inside the shell 1 during explosion, so that the pressure inside the shell 1 and the dust pipeline is reduced, and the damage of the dust pipeline during explosion is avoided. The shell 1, the inlet pipe 3, the outlet pipe 4 and the pressure relief pipe 5 are all made of metal components, and the strength of the metal components can bear the maximum pressure when the conveyed dust materials deflagrate and are not released.

As shown in fig. 2, the non-return device 2 comprises a rotating shaft 201, a non-return plate 202, a connecting rod 203, a balancing weight 204, a compression bolt 205, a reinforcing plate 206 and a stop rod 207, wherein the rotating shaft 201 is connected between the inner walls of the two sides of the shell 1 through bearings, the non-return plate 202 is welded on the outer wall of the bottom of the rotating shaft 201, the rotating shaft 201 can rotate to drive the non-return plate 202, the non-return plate 202 is opposite to the bevel 301, one end of the rotating shaft 201 extends to the outside of the shell 1 and is welded with the connecting rod 203, the top end of the connecting rod 203 is connected with the balancing weight 204 through threads, the balancing weight 204 is arranged as a cylindrical iron block, and the balancing weight 204 plays a role in balancing the connecting rod 203 by increasing the self weight. The balancing weight 204 makes the connecting rod 203 drive the rotating shaft 201 to rotate through gravity, the non-return plate 202 and the bevel 301 keep open under the natural state, the outer wall of the balancing weight 204 is connected with the compression bolt 205 through threads, one end of the compression bolt 205 is welded with the gusset 206, the compression bolt 205 is rotated through the gusset 206, the compression bolt 205 is made to collide with the connecting rod 203, and then the balancing weight 204 is fixed.

As shown in fig. 3, a baffle ring 501, a baffle plate 502 and an air support 504 are arranged in the pressure relief pipe 5, the baffle ring 501 is welded on the inner wall of the pressure relief pipe 5, the baffle plate 502 is hinged with the outer wall of the bottom of the pressure relief pipe 5 through a shaft, the baffle plate 502 is hinged with the inner wall of the pressure relief pipe 5 through the shaft, the air support 504 is an industrial fitting with functions of supporting, buffering, braking, height adjustment, angle adjustment and the like, the air spring can provide supporting force for the baffle plate 502, and then the baffle plate 502 and the baffle ring 501 are kept in a closed state in a natural state, when being impacted by air flow, the baffle plate 502 is rotated by the supporting force of the air support 504, so that the air flow is released by the pressure relief pipe 5; the pressure relief pipe 5, the baffle ring 501 and the baffle 502 are made of carbon steel or 304 stainless steel, the static opening pressure is set to be 0.01MPa, flame extinction, dust retention, pressure and temperature control can be realized, and the damage to the whole dust pipeline caused by explosive airflow is prevented.

As shown in fig. 3, specifically, the outer wall of the top of the baffle 502 is adhered with a sealing pad 503, the sealing pad 503 is made of rubber, the sealing pad 503 is matched with the baffle ring 501, the sealing pad 503 is used for ensuring that the sealing performance between the baffle 502 and the baffle ring 501 is better, and the dust material can not leak when the dust material is conveyed in a natural state.

As shown in fig. 4, specifically, the casing 1 includes an inner layer 101, a sound insulation layer 102 and an outer layer 103, the sound insulation layer 102 is disposed between the inner layer 101 and the outer layer 103, and the sound insulation layer 102 is made of rock wool material, so that noise generated when air flows through the casing 1 is reduced, and noise pollution is reduced when dust materials are conveyed.

As shown in fig. 1 and 2, the dust collecting device further comprises a connecting ring 6 and a connecting hole 7, wherein the connecting ring 6 is welded at one ends of the inlet pipe 3, the outlet pipe 4 and the pressure relief pipe 5, the connecting hole 7 which are uniformly distributed is arranged on the outer wall of the connecting ring 6, the size of the connecting hole 7 is matched with that of a universal bolt, and the inlet pipe 3, the outlet pipe 4 and the dust pipeline are conveniently connected through the connecting hole 7 by bolts.

As shown in fig. 1, a mounting plate 8 is welded on the outer wall of one side of the shell 1, and mounting holes 9 are symmetrically formed in the mounting plate 8 to ensure uniform stress when the mounting plate 8 is fixed; the housing 1 can be mounted and fixed by bolts through the mounting holes 9.

As shown in fig. 1, one side of the outer wall of the housing 1 is further welded with a blocking rod 207, the blocking rod 207 is adjacent to the rotating shaft 201, the blocking rod 207 is opposite to the connecting rod 203, the balancing weight 204 presses down the connecting rod 203 through gravity to enable the rotating shaft 201 to rotate, and the blocking rod 207 enables the non-return plate 202 and the bevel 301 to be kept open in a natural state by limiting the angle of the connecting rod 203.

As shown in fig. 1, the non-return plate 202 is provided as an elliptical metal cover plate, and the non-return plate 202 is matched with the inclined opening 301, so that the non-return plate 202 is matched with the inclined opening 301 to realize the function of plugging the inclined opening 301.

As shown in fig. 3, specifically, the air brace 504 is configured as an air spring, which provides a supporting force for the damper 502, and when the damper is strongly pressed, the air spring contracts, and the damper 502 rotates to enable the pressure release tube 5 to be fully opened for timely pressure release.

Working principle:

in the first state, the balancing weight 204 rotates the connecting rod 203 through gravity, so that the connecting rod 203 drives the non-return plate 202 through the rotating shaft 201, and the bevel 301 is opened; blocking the connecting rod 203 by the stop lever 207 makes the non-return plate 202 maintain a certain inclination angle, thereby making the dust material enter the inside of the housing 1 through the inlet pipe 3 and making the dust flow out from the outlet pipe 4.

When the dust on one side of the outlet pipe 4 explodes, the utility model is in the second state, the check plate 202 rotates the rotating shaft 201 through the air flow generated by the explosion, so that the check plate 202 seals the bevel 301 to prevent the explosion from extending into the inlet pipe 3, and meanwhile, the strong air flow generated by the explosion enables the baffle 502 to rotate in order to resist the supporting force of the air support 504, so that the air flow is released by the pressure release pipe 5, and the damage of the dust pipeline caused by the air flow of the explosion is prevented.

When the sensitivity of the non-return plate 202 needs to be adjusted, the balancing weight 204 can be rotated, so that the position of the balancing weight 204 on the connecting rod 203 is changed, and then the compression bolt 205 is rotated through the gusset 206, so that the compression bolt 205 is in interference fixation with the connecting rod 203, and further the sensitivity of the non-return plate 202 is changed.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a fire control safety protection equipment for dust pipeline, its characterized in that includes casing, non-return device, advances pipe, exit tube and pressure release pipe, one side outer wall fixed connection of casing advances the pipe, advance the one end of pipe to the inside of casing is provided with the bevel connection, non-return device runs through casing both sides inner wall and extends to the casing outside, the opposite side outer wall fixed connection exit tube of casing, one side outer wall fixed connection pressure release pipe of casing.

2. The fire safety protection device for a dust pipeline according to claim 1, wherein the non-return device comprises a rotating shaft, a non-return plate, a connecting rod, a balancing weight, a compression bolt, a reinforcing plate and a stop lever, wherein the rotating shaft is connected between the inner walls of the two sides of the shell through bearings, the non-return plate is welded on the outer wall of the bottom of the rotating shaft, one end of the rotating shaft extends to the outside of the shell and is welded with the connecting rod, the top end of the connecting rod is connected with the balancing weight through threads, the outer wall of the balancing weight is connected with the compression bolt through threads, one end of the compression bolt is welded with the reinforcing plate, and one side of the outer wall of the shell is welded with the stop lever.

3. The fire safety protection device for the dust pipeline according to claim 1, wherein a baffle ring, a baffle plate and an air support are arranged in the pressure relief pipe, the baffle ring is welded on the inner wall of the pressure relief pipe, the baffle plate is hinged to the outer wall of the bottom of the baffle ring through a shaft, and the air support is hinged between the baffle plate and the inner wall of the pressure relief pipe through the shaft.

4. The fire safety protection device for a dust pipe according to claim 3, wherein a gasket is adhered to the top outer wall of the baffle plate, and the gasket is matched with the baffle ring.

5. The fire safety protection device for a dust duct according to claim 1, wherein the housing includes an inner layer, a sound insulation layer, and an outer layer, with the sound insulation layer disposed therebetween.

6. The fire safety protection device for a dust pipeline according to claim 1, further comprising a connecting ring and connecting holes, wherein the connecting ring is welded at one ends of the inlet pipe, the outlet pipe and the pressure relief pipe, and the connecting holes are uniformly distributed on the outer wall of the connecting ring.

7. The fire safety protection device for a dust pipe according to claim 1, wherein the outer wall of one side of the housing is welded with a mounting plate, and mounting holes are symmetrically formed in the mounting plate.

8. The fire safety protection device for a dust duct according to claim 2, wherein the bar is adjacent to the rotating shaft and the bar is disposed opposite to the connecting rod.

9. The fire safety protection device for a dust pipe according to claim 2, wherein the non-return plate is adapted to the bezel.

10. A fire safety protection device for dust pipelines according to claim 3, characterized in that the gas strut is provided as a gas spring.