CN211913083U - Floccule separating chamber and scrap steel crushing and dust collecting system - Google Patents
Floccule separating chamber and scrap steel crushing and dust collecting system Download PDFInfo
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- CN211913083U CN211913083U CN201922264551.XU CN201922264551U CN211913083U CN 211913083 U CN211913083 U CN 211913083U CN 201922264551 U CN201922264551 U CN 201922264551U CN 211913083 U CN211913083 U CN 211913083U
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Abstract
The utility model discloses a floccule separation chamber and a scrap steel crushing and dust collecting system, wherein the floccule separation chamber comprises a cylinder body, a wind shield, a wind outlet box and an ash bucket, an air inlet is arranged at the upper part of one side of the cylinder body, and the top end of the air inlet is close to the top end of the cylinder body; the cylinder body is provided with an oblique cut, the upper part of the oblique cut is opposite to the air inlet, the top end of the oblique cut extends to the top end of the cylinder body, the bottom end of the oblique cut is positioned on the other side of the cylinder body opposite to the air inlet, and the bottom end of the oblique cut is lower than the bottom of the air inlet; the wind shield is fixed in the oblique notch in a matching way, and the lower part of the wind shield is provided with a plurality of filtering holes; the air outlet box is connected with the barrel and is positioned above the wind shield, and an air outlet is formed in the air outlet box; the ash bucket is positioned below the cylinder body and is provided with an ash discharge port. The utility model discloses a floccule separating chamber can separate out floccule in the dusty tail gas in advance, avoids back technology dust collecting equipment to block up and the unloading is not smooth, and simple structure and area are little.
Description
Technical Field
The utility model belongs to the technical field of the broken technique of retrieving of steel scrap and specifically relates to a floccule separation chamber and broken dust collecting system of steel scrap are related to.
Background
When scrap steel is crushed and produced, a large amount of non-steel light substances such as plastics, rubber, sponge, heat insulation cotton and the like are mixed in raw materials, and the materials enter a dust collecting system in the crushing process, so that a series of problems such as blockage of the dust collecting system, unsmooth feeding and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a floccule separation chamber can separate out in advance the floccule in the dusty tail gas, avoids back technology dust collecting equipment to block up and the unloading is not smooth, and simple structure and area are little.
According to the utility model discloses floccule separation chamber of first aspect embodiment includes:
the air inlet is formed in the upper portion of one side of the cylinder body, and the top end of the air inlet is close to the top end of the cylinder body; the cylinder body is provided with an oblique cut, the upper part of the oblique cut is opposite to the air inlet, the top end of the oblique cut extends to the top end of the cylinder body, the bottom end of the oblique cut is positioned on the other side of the cylinder body opposite to the air inlet, and the bottom end of the oblique cut is lower than the bottom of the air inlet;
the wind shield is fixed in the oblique notch in a matching mode, and a plurality of filtering holes are formed in the lower portion of the wind shield;
the air outlet box is connected with the barrel and is positioned above the wind shield, and an air outlet is formed in the air outlet box;
the ash bucket is located below the barrel and communicated with the barrel in the up-down direction, and the ash bucket is provided with an ash discharge port.
According to the floccule separation chamber 1000 of the first aspect of the present invention, when in operation, the dust-containing tail gas enters the cylinder through the air inlet 2, as the volume in the cylinder body is increased, the flow velocity of the dust-containing tail gas in the cylinder body is reduced, the dust-containing tail gas meets the wind shield and then moves downwards along the wind shield in an inclined way in the low-speed advancing process, because the lower part of the wind shield is provided with a plurality of filtering holes, the gas in the dust-containing tail gas and small particles which are mixed in the gas and are smaller than the filtering holes enter the wind box through the filtering holes and are discharged into the post-process dust collecting equipment from the gas outlet, floccules such as waste sponge, waste plastic, waste rubber and other large granular substances in the dust-containing tail gas, which are larger than the aperture of the filter holes, are blocked by the filter holes and continue to move downwards due to the inertia effect and fall into the ash hopper, thereby avoiding the blocking of the post-process dust collecting equipment by the floccules and the unsmooth feeding of the post-process dust collecting equipment. Furthermore, the utility model discloses the flocculus separating chamber of the embodiment of the first aspect simple structure and area are little.
According to the utility model discloses an embodiment of first aspect, the aperture of crossing the filtration pore is between 2 ~ 5 mm.
According to an embodiment of the first aspect of the present invention, the gas flow velocity inside the cylinder is less than 3 m/s; the flow velocity of the gas in the filtering holes is 3-5 m/s.
According to a further embodiment of the first aspect of the present invention, the gas flow rate in the gas inlet is controlled at 20 m/s; the gas flow rate at the gas outlet was controlled to 20 m/s.
According to the utility model discloses an embodiment of first aspect, the internal diameter of ash discharge opening is greater than 800mm, the lateral wall contained angle of ash bucket is less than 40.
According to the utility model discloses the further embodiment of first aspect still includes star type dispenser and control system, star type dispenser sets up the below of ash discharge opening, control system with star type dispenser links to each other, in order to control the operation of star type dispenser.
According to a still further embodiment of the first aspect of the present invention, the ash bucket further comprises a level indicator, wherein the level indicator is arranged on the inner wall surface of the top of the cylinder body, and is used for monitoring the level of the ash in the ash bucket; the star-shaped feeder is a variable frequency motor, and the variability of the variable frequency motor is interlocked with the set material level of the material level meter.
According to the utility model discloses the first aspect is further embodiment again, still includes the vibrator, the vibrator sets up on the lateral wall surface of ash bucket, the vibrator with the charge level indicator passes through control system interlocks.
According to an embodiment of the first aspect of the present invention, the apparatus further comprises a back-blowing assembly, wherein the back-blowing assembly comprises a back-blowing main pipe, a plurality of back-blowing branch pipes, an air bag, a fast cutting-off valve and a pressure difference monitoring unit, wherein one ends of the back-blowing branch pipes are distributed and arranged toward the upper surface of the wind shield, the other ends of the back-blowing branch pipes are communicated with the back-blowing main pipe, and the back-blowing main pipe is connected with an air source through the air bag; the pressure difference monitoring unit is used for monitoring the pressure difference between the air inlet and the air outlet, and the pressure difference monitoring unit is interlocked with the quick cutting-off valve.
The utility model discloses the second aspect has still provided a broken dust collecting system of scrap steel.
According to the utility model discloses broken dust collecting system of scrap steel of second aspect embodiment, include the utility model discloses the first aspect arbitrary one the flocculus separating chamber.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic diagram of an aspect of a floc separation chamber according to an embodiment of the first aspect of the present invention.
Fig. 2 is a schematic diagram of another aspect of the floc separation chamber according to an embodiment of the first aspect of the present invention.
Reference numerals:
Wind screen 3
Ash bucket 6
Ash discharge opening 7
Star-shaped feeder 8
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 like or similar elements throughout or elements having like or similar functions. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A floc separation chamber 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
As shown in fig. 1 and 2, the floccule separation chamber 1000 according to the embodiment of the first aspect of the present invention includes a cylinder 1, a wind shield 3, an air outlet box 4 and an ash bucket 6, wherein an air inlet 2 is provided at an upper portion of one side of the cylinder 1, and a top end of the air inlet 2 is adjacent to a top end of the cylinder 1; the barrel 1 is provided with an inclined cut 101, the upper part of the inclined cut 101 is opposite to the air inlet 2, the top end of the inclined cut 101 extends to the top end of the barrel 1, the bottom end of the inclined cut 101 is positioned at the other side of the barrel 1 opposite to the air inlet 2, and the bottom end of the inclined cut 101 is lower than the bottom of the air inlet 2; the wind shield 3 is fixed in the inclined notch 101 in a matching way, and the lower part of the wind shield 3 is provided with a plurality of filtering holes; the air outlet box 4 is connected with the barrel 1 and is positioned above the wind shield 3, and the air outlet box 4 is provided with an air outlet 5; the ash bucket 6 is positioned below the cylinder 1 and communicated with the cylinder 1 in the up-down direction, and the ash bucket 6 is provided with an ash discharge opening 7.
Specifically, the upper part of one side of the cylinder body 1 is provided with the air inlet 2, dust-containing tail gas can enter the cylinder body 1 from the air inlet 2, and the top end of the air inlet 2 is close to the top end of the cylinder body 1, so that the dust-containing tail gas is prevented from flowing upwards; the cylinder body 1 is provided with the inclined notch 101, the inclined installation of the wind shield 3 is facilitated by the arrangement of the inclined notch 101, the upper part of the inclined notch 101 is opposite to the air inlet 2, the top end of the inclined notch 101 extends to the top end of the cylinder body 1, the bottom end of the inclined notch 101 is located on the other side of the cylinder body 1 opposite to the air inlet 2, and the bottom end of the inclined notch 101 is lower than the bottom position of the air inlet 2; it can be understood that when the wind deflector 3 is obliquely installed in the oblique notch 101, dust-containing tail gas enters the interior of the cylinder 1 through the air inlet 2, the flow speed of the dust-containing tail gas in the cylinder 1 is reduced due to the increase of the inner volume of the cylinder 1, and the dust-containing tail gas meets the wind deflector 3 in the low-speed advancing process and then moves obliquely downwards along the wind deflector 3.
It should be noted that, the barrel 1 is of an irregular square structure, and the barrel 1 can be made of carbon steel, so that the barrel 1 is prevented from being scalded by high temperature, and the service life of the barrel 1 is ensured. The air inlet 2 is composed of a first straight pipe and a first flange plate, one end of the first straight pipe of the air inlet 2 is welded on the cylinder body 1, and the outer peripheral surface of the other end of the first straight pipe is provided with the first flange plate.
The wind shield 3 is fixed in the inclined notch 101 in a matching way, and the lower part of the wind shield 3 is provided with a plurality of filtering holes; it can be understood that the flow velocity of the dust-containing tail gas is reduced after entering the air duct, the low-speed gas obliquely moves downwards along the wind shield 3 after encountering the wind shield 3 in the advancing process, the gas in the dust-containing tail gas and small particles which are mixed in the gas and are smaller than the filter holes enter the air duct 4 through the filter holes and are discharged into the post-process dust collecting equipment from the gas outlet 5 because the lower part of the wind shield 3 is provided with a plurality of filter holes, and floccules such as waste sponge, waste plastic, waste rubber and other large granular substances in the dust-containing tail gas are blocked by the filter holes and continuously move downwards and fall into the ash hopper 6 due to the inertia effect, so that the floccules are prevented from blocking the post-process dust collecting equipment and causing unsmooth blanking of the post-.
Preferably, the wind deflector 3 is of stainless steel construction.
The air outlet box 4 is connected with the barrel 1 and is positioned above the wind shield 3, and the air outlet box 4 is provided with an air outlet 5, so that gas in the dust-containing tail gas and small particles which are mixed in the gas and are smaller than the filter holes can enter the air outlet box 4 after passing through the filter holes and are discharged into the post-process dust collecting equipment from the air outlet.
It should be noted that the air outlet box 4 is a deformation box, one end of the air outlet box 4 is a square opening and is welded with the cylinder 1, and the other end is a circular air outlet 5. The air outlet 5 is composed of a second straight section pipe and a second flange, and the second flange is fixed on the outer peripheral surface of the second straight section pipe.
The ash bucket 6 is located the below of barrel 1 and communicates with barrel 1 in upper and lower direction, and ash bucket 6 is equipped with row ash mouth 7, and from this, the flocculus that is blocked by deep bead 3 filtration pore in the dust-laden tail gas can fall into ash bucket 6 to can discharge through row ash mouth 7.
Preferably, the ash bucket 6 is in a round table shape, which is beneficial to discharging floccules in the ash bucket 6 smoothly. The ash bucket 6 can be made of carbon steel, so that the ash bucket 6 is prevented from being scalded by high temperature, and the service life of the ash bucket 6 is ensured.
According to the floccule separation chamber 1000 of the first aspect of the present invention, when in operation, the dust-containing tail gas enters the cylinder 1 through the air inlet 2, as the volume in the cylinder 1 is increased, the flow velocity of the dust-containing tail gas in the cylinder 1 is reduced, the dust-containing tail gas meets the wind shield 3 and then moves downwards along the wind shield 3 in an inclined way in the process of low-speed forward movement, because the lower part of the wind shield 3 is provided with a plurality of filtering holes, the gas in the dust-containing tail gas and small particles which are contained in the gas and are smaller than the filtering holes enter the wind box 4 through the filtering holes and are discharged into the post-process dust collecting equipment from the gas outlet 5, floccules such as waste sponge, waste plastic, waste rubber and other large granular substances in the dust-containing tail gas, which are larger than the aperture of the filter holes, are blocked by the filter holes and continue to move downwards due to the inertia effect and fall into the ash hopper 6, thereby avoiding the blocking of the post-process dust collecting equipment by the floccules and the unsmooth feeding of the post-process dust collecting equipment. In addition, the floccule separation chamber 1000 of the embodiment of the first aspect of the present invention has a simple structure and a small occupied area.
According to the utility model discloses an embodiment of first aspect, the aperture of filtering the hole is between 2 ~ 5 mm. It can be understood that the aperture of filtering the hole can be 2mm, 3mm, 4mm or 5mm, and the flocculus that is greater than in the dusty tail gas and filters the hole aperture is blocked by filtering the hole like big particulate matter such as useless sponge, waste plastics, waste rubber, can guarantee the process the utility model discloses behind the gas that contains the particulate matter of flocculus separating chamber 1000 exhaust of the first aspect embodiment gets into back technology dust collecting equipment, can not block up back technology dust collecting equipment, guarantees that back technology dust collecting equipment unloading is smooth and easy.
According to an embodiment of the first aspect of the present invention, the gas flow velocity inside the cylinder 1 is less than 3 m/s; the flow velocity of the gas in the filtering holes is 3-5 m/s. It can be understood that the flow velocity of the dust-containing tail gas in the cylinder 1 is low, and the floccules in the dust-containing tail gas are favorably pre-separated when passing through the wind shield 3; the flow velocity of the gas in the filtering holes is controlled to be 3-5 m/s, so that excessive pressure loss is avoided.
According to a further embodiment of the first aspect of the present invention, the gas flow rate in the gas inlet 2 is controlled at 20 m/s; the gas flow rate at the gas outlet 5 was controlled to 20 m/s. That is to say, the gas flow rate in the gas inlet 2 is controlled at 20m/s, so that the gas flow rate can be reduced to below 3m/s due to the increased volume of the cylinder 1 after the dust-containing tail gas enters the cylinder 1, and the floccule in the dust-containing tail gas is favorably pre-separated when the dust-containing tail gas passes through the wind shield 3; the flow velocity of the gas in the filtering holes is controlled to be 3-5 m/s, the flow velocity of the gas at the gas outlet 5 is increased to 20m/s, the flow velocity of the gas is accelerated, the gas can leave the wind box 4 as soon as possible, and therefore dust deposition in the wind box 4 is effectively avoided.
According to the utility model discloses an embodiment of first aspect, the internal diameter of ash discharge opening 7 is greater than 800mm, and the lateral wall contained angle of ash bucket 6 is less than 40, like this, can be convenient for 6 baits of ash bucket.
According to the utility model discloses the further embodiment of first aspect still includes star type dispenser 8 and control system, and star type dispenser 8 sets up in the below of ash discharge opening 7, and control system links to each other with star type dispenser 8 to control star type dispenser 8's operation. It can be understood that star type dispenser 8 links to each other with row ash mouth 7 lower extreme, through the operation of control system control star type dispenser 8 for the flocculus in the ash bucket 6 can automatic even ash of arranging in succession, and can guarantee to have certain material level in the ash bucket 6 all the time, thereby realizes the material and seals, effectively reduces the hourglass wind.
According to a still further embodiment of the first aspect of the present invention, the ash bucket further comprises a level indicator, which may be an ultrasonic level indicator, disposed on the inner wall surface of the top of the barrel 1 for monitoring the level of the ash in the ash bucket 6; the star-shaped feeder 8 is a variable frequency motor, and the frequency of the variable frequency motor is interlocked with the set material level of the material level meter. It can be understood that the level indicator is arranged at the top of the barrel 1, so that the level in the ash hopper 6 can be detected conveniently; the frequency of the star-shaped feeder 8 can be changed along with the change of the material level in the ash hopper 6, the material level in the ash hopper 6 is monitored through a material level meter, and when the material level in the ash hopper 6 is higher than a set material level, the frequency of the star-shaped feeder 8 is changed through a control system so that the material level in the ash hopper 6 is recovered to the set material level; the material level meter, the star-shaped feeder 8 and the control system can realize automatic and continuous ash discharge, and ensure that a certain material level is always arranged in the ash hopper 6, thereby realizing material sealing and effectively reducing air leakage.
According to the utility model discloses the first aspect is further embodiment again, still includes the vibrator, and the vibrator setting passes through control system interlock with the charge level indicator on the lateral wall surface of ash bucket 6. It can be understood that when the level indicator monitors that the material level in the ash hopper 6 is higher than the set material level, the control system starts the vibrator to perform auxiliary ash discharge, and when the level indicator monitors that the material level in the ash hopper 6 is recovered to the set material level, the control system closes the vibrator, so that the level indicator, the vibrator and the control system can realize automatic ash removal.
According to an embodiment of the first aspect of the present invention, the apparatus further comprises a back-blowing assembly 9, the back-blowing assembly 9 comprises a back-blowing main pipe 901, a plurality of back-blowing branch pipes 902, an air bag, a fast cutting-off valve and a pressure difference monitoring unit, wherein one ends of the back-blowing branch pipes 902 are distributed and arranged toward the upper surface of the wind shield 3, the other ends of the back-blowing branch pipes 902 are communicated with the back-blowing main pipe 901, and the back-blowing main pipe 901 is connected with an air source through the air bag; the pressure difference monitoring unit is used for monitoring the pressure difference between the air inlet 2 and the air outlet 5 and is interlocked with the quick cutting-off valve. It can be understood that one end of the back-blowing main pipe 901 is a back-blowing inlet 9011, the air bag is connected with the back-blowing inlet 9011, when the pressure difference monitoring unit monitors that the pressure difference between the air inlet 2 and the air outlet 5 is higher than a set value, the quick cut-off valve is automatically started, air in the air bag enters the back-blowing main pipe 901 through the back-blowing inlet 9011, and then the back-blowing branch pipes 902 perform back-blowing on the wind shield 3 to back-blow materials blocked on the wind shield 3 into the ash hopper 6; after the back blowing is finished, when the pressure difference monitoring unit monitors that the pressure difference between the air inlet 2 and the air outlet 5 is recovered to a set value, the valve is automatically closed and quickly cut off, therefore, sundries blocked on the wind shield 3 can be back blown into the ash hopper 6, and the normal operation of the pre-separation operation is ensured.
Preferably, the air bag, the blowback main pipe 901 and the blowback branch pipe 902 are seamless steel pipes; the air bag is connected with an air source through a flange, so that the assembly and disassembly are convenient; the gas in the gas bag is used for one-time blowing, and after the back blowing is finished, the gas bag is filled with the gas source again so as to be used for the next time; the quick cut-off valve can be an automatic valve, an electric valve or a pulse valve, and can be arranged between the air bag and the back-blowing main pipe 901, between the back-blowing main pipe 901 and between each back-blowing branch pipe 902.
The utility model discloses the second aspect has still provided a broken dust collecting system of scrap steel.
According to the utility model discloses broken dust collecting system of scrap steel of second aspect embodiment, include the utility model discloses the flocculus separating chamber 1000 of any one of the first aspect.
Claims (10)
1. A floe separation chamber, comprising:
the air inlet is formed in the upper portion of one side of the cylinder body, and the top end of the air inlet is close to the top end of the cylinder body; the cylinder body is provided with an oblique cut, the upper part of the oblique cut is opposite to the air inlet, the top end of the oblique cut extends to the top end of the cylinder body, the bottom end of the oblique cut is positioned on the other side of the cylinder body opposite to the air inlet, and the bottom end of the oblique cut is lower than the bottom of the air inlet;
the wind shield is fixed in the oblique notch in a matching mode, and a plurality of filtering holes are formed in the lower portion of the wind shield;
the air outlet box is connected with the barrel and is positioned above the wind shield, and an air outlet is formed in the air outlet box;
the ash bucket is located below the barrel and communicated with the barrel in the up-down direction, and the ash bucket is provided with an ash discharge port.
2. The floc separation chamber of claim 1, wherein the diameter of the filtration pores is between 2 and 5 mm.
3. The floe separation chamber of claim 1, wherein the gas flow velocity within the cylinder is less than 3 m/s; the flow velocity of the gas in the filtering holes is 3-5 m/s.
4. A floc separation chamber according to claim 3, characterized in that the gas flow rate in the gas inlet is controlled at 20 m/s; the gas flow rate at the gas outlet was controlled to 20 m/s.
5. The floc separation chamber of claim 1, wherein the inner diameter of the ash discharge port is greater than 800mm and the included angle of the side walls of the ash hopper is less than 40 °.
6. The floe separation chamber of claim 5, further comprising a star feeder disposed below the ash discharge port and a control system coupled to the star feeder to control operation of the star feeder.
7. The floe separation chamber of claim 6, further comprising a level gauge disposed on an inside top wall surface of the barrel for monitoring a level of material within the ash hopper; the star-shaped feeder is a variable frequency motor, and the variability of the variable frequency motor is interlocked with the set material level of the material level meter.
8. The floe separation chamber of claim 7 further comprising a vibrator disposed on an outer surface of a sidewall of the hopper, the vibrator interlocked with the level gauge via the control system.
9. The floc separation chamber according to claim 1, further comprising a back-blowing assembly, wherein the back-blowing assembly comprises a back-blowing main pipe, a plurality of back-blowing branch pipes, an air bag, a quick cut-off valve and a pressure difference monitoring unit, wherein one ends of the back-blowing branch pipes are distributed and arranged toward the upper surface of the wind shield, the other ends of the back-blowing branch pipes are communicated with the back-blowing main pipe, and the back-blowing main pipe is connected with an air source through the air bag; the pressure difference monitoring unit is used for monitoring the pressure difference between the air inlet and the air outlet, and the pressure difference monitoring unit is interlocked with the quick cutting-off valve.
10. A scrap steel crushing and dust collecting system comprising the floc separation chamber according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264551.XU CN211913083U (en) | 2019-12-16 | 2019-12-16 | Floccule separating chamber and scrap steel crushing and dust collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264551.XU CN211913083U (en) | 2019-12-16 | 2019-12-16 | Floccule separating chamber and scrap steel crushing and dust collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211913083U true CN211913083U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922264551.XU Active CN211913083U (en) | 2019-12-16 | 2019-12-16 | Floccule separating chamber and scrap steel crushing and dust collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211913083U (en) |
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- 2019-12-16 CN CN201922264551.XU patent/CN211913083U/en active Active
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