CN212594549U - Normal-temperature high-temperature pulse bag type dust collector - Google Patents

Abstract

The utility model discloses a normal atmospheric temperature high temperature pulse bag collector belongs to pulse bag collector technical field, the power distribution box comprises an upper box body, it has the crossbearer to go up the internal welding of box, the crossbearer is located the top of fossil fragments, fossil fragments surface can be dismantled and is connected with the filter bag, the filter bag includes basalt fiber and carbon fiber, basalt fiber interweaves with the carbon fiber, it has lower box to go up the welding of box bottom, the internal top gap of nowel is connected with baffle an, baffle an is located baffle b's top, the internal left side of nowel can be dismantled and be connected with baffle c, the through-hole has been seted up on baffle a surface. The double-layer high-temperature-resistant coating is coated in the box body, and the filter bag is formed by interweaving basalt fibers and carbon fibers, so that the high-temperature-resistant dust remover can resist high-temperature smoke, and the dust remover is prevented from being burnt by overhigh temperature; the air passes through a plurality of crisscross baffles after filter screen prefilter on the air inlet, can get rid of large granule impurity, avoids large granule impurity and filter bag contact to cause the filter bag to damage.

Description

Normal-temperature high-temperature pulse bag type dust collector

Technical Field

The utility model relates to a pulse bag collector technical field especially relates to a normal atmospheric temperature high temperature pulse bag collector.

Background

Since the advent of the pulse bag type dust collector in the fifty years, the pulse bag type dust collector has been widely used and continuously improved at home and abroad, and has been greatly developed in the aspect of purifying dust-containing gas. The dust removal efficiency can reach more than 99%. Is mature and relatively perfect high-efficiency dust removing equipment.

The patent No. CN 108771919A discloses a pulse bag type dust collector, which adopts a guide plate as coarse filtration to remove coarse dust particles, and is simple and convenient; the plate-type filter box is used for middle-effect filtering, and the waterproof tuyere cotton is used as a filter element, so that fine dust particles larger than 5 micrometers can be filtered and water vapor in dust-containing gas can be removed, and the filtering effect is very good; the filter element in the plate-type filter box adopts a cutting-off type, and the filter element is laid by the rotating shaft in a rolling way, so that the automatic procedure is higher during the ash removal; the metal framework adopts a polygonal shape, so that the contact surface is enlarged, and the dust removing filter bag is more convenient to disassemble and replace; the dust removal filter bag is made of superfine fiber materials, 1 micron of dust can be filtered, and the dust removal efficiency is high; moreover, the material can be washed and then continuously used, so that the material is more environment-friendly; the upper box body is internally provided with the gas detection device, the gas quality detection is unqualified, the dust removal process is continuously carried out through the backflow pipe orifice, and the qualified gas can be discharged into the atmosphere, so that the environmental protection is facilitated.

The pulse bag type dust collector in the prior art has the following defects: 1. the existing pulse bag type dust collector can be used only at normal temperature, and a shell and a filter bag cannot bear high-temperature smoke when high-temperature smoke dust is removed, so that the filter bag and the like are damaged; 2. the pulse bag type dust collector absorbs external control and directly removes dust through the filter bag, a large amount of slightly larger particle impurities are directly sprayed on the surface of the filter bag, the surface of the filter bag is damaged after long-time use, and the service life of the whole filter bag is short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a normal temperature high temperature pulse bag type dust collector, wherein double-layer high temperature resistant coating is coated in the box body, and a filter bag is formed by interweaving basalt fiber and carbon fiber, so that the dust collector can resist high temperature smoke, and the dust collector is prevented from being burnt by overhigh temperature; the air passes through a plurality of crisscross baffles after filter screen prefilter on the air inlet, can get rid of large granule impurity, avoids large granule impurity and filter bag contact to cause the filter bag to damage.

The utility model provides a specific technical scheme as follows:

the utility model provides a normal temperature high temperature pulse bag type dust collector, which comprises an upper box body, a cross frame is welded in the upper box body, the transverse frame is positioned above the keel, the surface of the keel is detachably connected with a filter bag, the filter bag comprises basalt fibers and carbon fibers, the basalt fibers are interwoven with the carbon fibers, the bottom end of the upper box body is welded with a lower box body, a baffle plate a is connected with the top end of the lower box body in a clearance way, the baffle plate a is positioned above the baffle plate b, the baffle plate c is detachably connected to the left side in the lower box body, the surface of the baffle plate a is provided with a through hole, the left side of the lower box body is provided with an air inlet, a filter screen is detachably connected in the air inlet, the inner surfaces of the upper box body and the lower box body are coated with high-temperature-resistant coatings a, the surfaces of the high-temperature-resistant coatings a are coated with high-temperature-resistant coatings b, and the bottom end of the lower box body is connected with an ash discharge pipe in a clearance mode.

Optionally, the cross frame top fixedly connected with gas-supply pipe and gas-supply pipe have six, the gas-supply pipe left side can be dismantled and be connected with the pulse valve.

Optionally, the bottom end of the gas transmission pipe is in gap connection with six groups of spray pipes, and the spray pipes are located at the top end of the keel.

Optionally, the air inlet of the upper box body extends to the inside of the air outlet pipe, and the upper box body is detachably connected with a box door.

Optionally, the lower box body is welded at two sides with a support, and the current input end of the pulse valve is electrically connected with an external power supply through a wire.

The utility model has the advantages as follows:

the embodiment of the utility model provides a normal atmospheric temperature high temperature pulse bag collector:

1. the double-layer high-temperature-resistant coating is coated in the box body, and the filter bag is formed by interweaving basalt fibers and carbon fibers, so that the high-temperature-resistant dust remover can resist high-temperature smoke, and the dust remover is prevented from being burnt by overhigh temperature; the inner surfaces of the upper box body and the lower box body are both coated with high-temperature resistant coating a, the surface of the high-temperature resistant coating a is also coated with a layer of high-temperature resistant coating b, the high-temperature resistant coating is one of space energy-saving heat insulation coatings, the temperature resistant range is (-80-1800 ℃), the high-temperature resistant coating can effectively inhibit and shield infrared radiation heat and heat conduction, the heat insulation inhibition efficiency can reach about 90 percent, the heat radiation of a high-temperature object can be inhibited, the whole box body can resist high temperature, the filter bag is formed by interweaving basalt fibers and carbon fibers, the basalt fibers not only have high strength, but also have various excellent performances of electric insulation, corrosion resistance, high temperature resistance and the like, the axial strength and modulus of the carbon fibers are high, the density and the specific performance are high, the creep is avoided, the ultra-high temperature resistance is realized in a non-oxidation environment, the strength of the filter bag, the high-temperature resistant coating can resist high-temperature smoke, and the high-temperature resistant coating in the box body can resist high-temperature smoke by matching with basalt fibers and carbon fibers and can be used at normal temperature and high temperature.

2. The air is preliminarily filtered by the filter screen on the air inlet and then passes through the plurality of staggered baffles, so that large particle impurities can be removed, and the filter bag is prevented from being damaged due to the contact of the large particle impurities and the filter bag; the air outlet pipe is connected with a fan, the fan starts to draw air into the upper box body, the upper box body is communicated with the lower box body, the outside air containing impurities such as dust enters the lower box body through the air inlet, the air inlet is connected with a filter screen, the filter screen can filter large-particle impurities, the impurities such as large particles can be prevented from entering the lower box body, the air sequentially passes through the baffle plate c, the baffle plate b and the baffle plate a in the upward conveying process, through holes are formed in the surfaces of the baffle plate a, the baffle plate b and the baffle plate c, the impurities in the air impact the surface of the baffle plate c in the upward moving process and then move upwards from the right side of the baffle plate c after the movement speed is reduced, part of the air directly moves upwards through the through holes, the similarly-lifted air impacts the surfaces of the baffle plate b and the baffle plate c, the large-particle impurities in the air, can be to the whole speed reduction of air, it is slightly bigger to have seted up through-hole and aperture on the baffle, can make large granule impurity pass through, can avoid impurity to pile up and cause the jam, and accessible filter screen and baffle cooperation are got rid of bold impurity and large granule impurity, avoid bold impurity etc. directly to beat the filter bag surface and cause the filter bag to damage, can prolong filter bag life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a normal-temperature high-temperature pulse bag type dust collector in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a baffle installation of a normal temperature and high temperature pulse bag filter according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the thermal insulation of the box body of the normal temperature and high temperature pulse bag type dust collector in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a baffle plate of a normal temperature and high temperature pulse bag filter according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a filter bag of a normal temperature and high temperature pulse bag filter according to an embodiment of the present invention.

In the figure: 1. an upper box body; 2. a gas delivery pipe; 3. an air outlet pipe; 4. a nozzle; 5. a keel; 6. a filter bag; 7. a cross frame; 8. a box door; 9. a lower box body; 10. a support; 11. an air inlet; 12. an ash discharging pipe; 13. a pulse valve; 14. a baffle plate a; 15. a baffle b; 16. a baffle plate c; 17. filtering with a screen; 18. high-temperature resistant coating a; 19. b, high-temperature resistant coating; 20. a through hole; 21. basalt fibers; 22. carbon fibers.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.

An ordinary-temperature high-temperature pulse bag type dust collector of an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 to 5, a normal temperature and high temperature pulse bag type dust collector provided by the embodiment of the present invention includes an upper box body 1, a cross frame 7 is welded in the upper box body 1, the cross frame 7 is located above a keel 5, a filter bag 6 is detachably connected to the surface of the keel 5, the filter bag 6 includes basalt fiber 21 and carbon fiber 22, the basalt fiber 21 is interlaced with the carbon fiber 22, a lower box body 9 is welded at the bottom end of the upper box body 1, a baffle a14 is connected to the top end gap in the lower box body 9, the baffle a14 is located above a baffle b15, a baffle c16 is detachably connected to the left side in the lower box body 9, a through hole 20 is formed in the surface of the baffle a14, an air inlet 11 is formed in the left side of the lower box body 9, a filter screen 17 is detachably connected in the air inlet 11, high temperature resistant paint a18 is coated on the inner surfaces of the upper box, the surface of the high-temperature resistant coating a18 is sprayed with a high-temperature resistant coating b19, and the bottom end of the lower box 9 is connected with an ash discharging pipe 12 in a clearance way.

Illustratively, the upper box body 1 comprises gas pipes 2, a cross frame 7, keels 5 and filter bags 6, the keels 5 are polygonal, friction between the filter bags 6 and the keels 5 is reduced, service life of the filter bags 6 is prolonged, bag unloading is facilitated, the left side of each gas pipe 2 is connected with a pulse valve 13, the pulse valves 13 are controlled by electromagnetic or pneumatic pilot valves and can instantly open and close diaphragm valves generating pulses by a high-pressure gas source, compressed air in the gas pipes 2 can be controlled, one side of the upper box body 1 is connected with a time relay, when dust on the surface of the filter bags 6 is continuously increased to cause equipment resistance to rise to a set value, the time relay outputs signals, the program control instrument starts to work, the pulse valves 13 are opened one by one to convey compressed air in the gas pipes 2, the upper box body 1 and the lower box body 9 are welded into a whole and communicated with each other, outside air enters the box body from a gas inlet 11 and moves out of the, go up 1 one side of box and can dismantle and be connected with chamber door 8, the accessible chamber door 8 is changed filter bag 6 in to the box, and basalt fiber 21 is with natural basalt as the raw materials, a resistant ultra-high temperature's that forms through the melting wire drawing inorganic fiber, and temperature resistance is higher than glass fiber, is less than the carbon fiber, and carbon fiber 22 is a high strength, the fibrous novel fiber material of high modulus that the carbon content is more than 95%.

Referring to fig. 1, the top end of the cross frame 7 is fixedly connected with six gas pipes 2, and the left side of each gas pipe 2 is detachably connected with a pulse valve 13.

Illustratively, the cross frame 7 supports the gas conveying pipe 2, the gas conveying pipe 2 is positioned above each row of filter bags 6, and the pulse valve 13 can control the gas passing condition in the gas conveying pipe 2.

Referring to fig. 1, six groups of spray pipes 4 are connected to the bottom end of the gas pipe 2 in a clearance manner, and the spray pipes 4 are located at the top end of the keel 5.

Illustratively, the bottom end of the spray pipe 4 is positioned at the top end of the keel 5, and the gas pipe 2 can convey compressed air into the keel 5 through the spray pipe 4 to expand the filter bag 6 outside the keel 5 for ash removal.

Referring to fig. 1, an air inlet of the upper box 1 extends to the inside of the air outlet pipe 3, and a box door 8 is detachably connected to the upper box 1.

In the example, the air outlet pipe 3 is connected with a fan, the fan is started to drive air in the upper box body 1 to move out of the upper box body 1 through the air outlet pipe 3, and the filter bag 6 in the upper box body 1 can be replaced through the box door 8.

Referring to fig. 1, brackets 10 are welded to two sides of the lower box 9, and a current input end of the pulse valve 13 is electrically connected to an external power supply through a lead.

Illustratively, the bracket 10 provides support at both sides of the lower case 9, a plug is inserted into the socket, and an external power supply provides power for the pulse valve 13.

When the device is used, an external power supply supplies power, the air outlet pipe 3 is connected with a fan, the fan starts to suck air into the upper box body 1, the upper box body 1 is communicated with the lower box body 9, the air inlet 11 is connected with an air inlet pipe, a dust removing hole is formed in the connecting position of the air inlet pipe and the air inlet 11, the outside air containing impurities such as dust enters the lower box body 9 through the air inlet 11, the air inlet 11 is connected with a filter screen 17, the filter screen 17 can filter large-particle impurities to prevent large-particle impurities from entering the lower box body 9, the filtered impurities are removed through the dust removing hole in the air inlet pipe, the air sequentially passes through the baffle plate c16, the baffle plate b15 and the baffle plate a14 in the upward conveying process, through holes 20 are formed in the surfaces of the baffle plate a14, the baffle plate b15 and the baffle plate c16, the impurities in the air move upward from the right side of the baffle plate c16 after, in the same way, the rising air hits the surfaces of the baffle b15 and the baffle c14, large-particle impurities in the air are incapable of rising again after being decelerated by the baffles, the air continuously moves upwards for a certain distance and then falls on the surface of the baffles or falls at the bottom of the lower box body 9, the baffles are installed in a staggered way and can decelerate the air integrally, the baffles are provided with through holes 20 with slightly larger apertures, the large-particle impurities can pass through the baffles, the blockage caused by the accumulation of the impurities can be avoided, the large-particle impurities and the large-particle impurities can be removed through the matching of the filter screen 17 and the baffles, the impurities can not pass through the filter bag 6 and stay on the surface of the filter bag 6 when the air continuously rises through the filter bag 6, the filtered air is moved out through the air outlet pipe 3 connected with the upper box body 1, the dust on the surface of the filter bag 6 is accumulated in the continuous, and (2) entering a lower air chamber, 1. when the pulse valve 13 is not electrified, gas enters the decompression chamber through the constant pressure pipelines of the upper shell and the lower shell and the throttling hole in the constant pressure pipelines, the pressure relief hole is blocked by the valve core under the action of the spring, the gas cannot be discharged, the pressure of the decompression chamber is consistent with that of the lower air chamber, and the membrane blocks the injection opening under the action of the spring, so that the gas cannot be flushed out. 2. When the pulse valve 13 is electrified, the valve core is lifted upwards under the action of electromagnetic force, the pressure relief hole is opened, gas is sprayed out, due to the action of a throttling hole of a constant pressure pipeline, the outflow speed of the pressure relief hole is greater than the inflow speed of the gas of a constant pressure pipe of a decompression chamber, the pressure of the decompression chamber is lower than the pressure of a lower air chamber, the gas of the lower air chamber jacks up the diaphragm, a spraying opening is opened, and gas spraying is carried out, the model of the pulse valve 13 is DMF-Z-40S, compressed air is used for spraying and cleaning dust on the filter bag 6 through a spraying pipe at the bottom end of a gas conveying pipe 2, the filter bag 6 is suddenly expanded, under the action of reverse airflow, dust attached to the surface of the filter bag 6 is quickly separated from the filter bag 6 and falls into the lower box body 9, impurities such as dust are discharged through a dust outlet pipe at the bottom end of the lower box body, the inner surfaces of the upper box body 1 and the lower box body 9 are both coated with high-temperature resistant coating a18, the surface of the high-temperature resistant coating a18 is coated with a layer of high-temperature resistant coating b19, the high-temperature resistant coating is one of space energy-saving heat-insulating heat-preserving coatings, the temperature resistant range is (-80-1800 ℃), the high-temperature resistant coating can effectively inhibit and shield the conduction of infrared radiant heat and heat, the heat-insulating inhibition efficiency can reach about 90%, the heat radiation of a high-temperature object can be inhibited, the whole box body can resist high temperature, the filter bag 6 is formed by interweaving basalt fibers 21 and carbon fibers 22, the basalt fibers 21 have high strength and excellent performances of electrical insulation, corrosion resistance, high temperature resistance and the like, the carbon fibers 22 have high axial strength and modulus, low density, high specific performance, no creep deformation, and resistance to ultra-high temperature in a non-oxidizing environment, the filter bag 6 made of fabric interwoven by the basalt fibers 21 and the, the high-temperature-resistant smoke can be generated, the high-temperature-resistant paint, the basalt fibers 21 and the carbon fibers 22 in the box body can be matched with the high-temperature-resistant smoke, the high-temperature-resistant smoke can be used at normal temperature and high temperature, the box door 8 can be opened to replace the filter bag 6 after long-time use, and the box door 8 is closed after replacement.

The utility model relates to a normal temperature high temperature pulse bag type dust collector, which comprises a box 1 and an upper box body; 2. a gas delivery pipe; 3. an air outlet pipe; 4. a nozzle; 5. a keel; 6. a filter bag; 7. a cross frame; 8. a box door; 9. a lower box body; 10. a support; 11. an air inlet; 12. an ash discharging pipe; 13. a pulse valve; 14. a baffle plate a; 15. a baffle b; 16. a baffle plate c; 17. filtering with a screen; 18. high-temperature resistant coating a; 19. b, high-temperature resistant coating; 20. a through hole; 21. basalt fibers; 22. the carbon fibers, the components are all standard parts or parts known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The normal-temperature high-temperature pulse bag type dust collector comprises an upper box body (1) and is characterized in that a cross frame (7) is welded in the upper box body (1), the cross frame (7) is located above a keel (5), a filter bag (6) is detachably connected to the surface of the keel (5), the filter bag (6) comprises basalt fibers (21) and carbon fibers (22), the basalt fibers (21) are interwoven with the carbon fibers (22), a lower box body (9) is welded at the bottom end of the upper box body (1), a baffle plate a (14) is connected to the top end of the lower box body (9) in a clearance mode, the baffle plate a (14) is located above a baffle plate b (15), a baffle plate c (16) is detachably connected to the left side of the lower box body (9), a through hole (20) is formed in the surface of the baffle plate a (14), an air inlet (11) is formed in the left side of the, can dismantle in air inlet (11) and be connected with filter screen (17), it has high temperature resistant coating an (18) to go up box (1) and lower box (9) internal surface all coating, high temperature resistant coating an (18) surface spraying has high temperature resistant coating b (19), box (9) bottom gap connection has ash pipe (12) down.

2. A normal temperature and high temperature pulse bag type dust collector as claimed in claim 1, wherein the top end of the cross frame (7) is fixedly connected with six gas pipes (2), and the left side of the gas pipes (2) is detachably connected with a pulse valve (13).

3. A normal temperature and high temperature pulse bag type dust collector as claimed in claim 2, wherein the bottom end of the gas transmission pipe (2) is connected with six groups of spray pipes (4) in a clearance way, and the spray pipes (4) are positioned at the top end of the inner part of the keel (5).

4. A normal temperature and high temperature pulse bag type dust collector as claimed in claim 1, wherein the air inlet of the upper box body (1) extends to the inside of the air outlet pipe (3), and the upper box body (1) is detachably connected with a box door (8).

5. A normal temperature and high temperature pulse bag type dust collector as claimed in claim 2, wherein the brackets (10) are welded on both sides of the lower box body (9), and the current input end of the pulse valve (13) is electrically connected with an external power supply through a lead.

Images