CN117504477A - Dust remover system for coal sampling room of furnace - Google Patents
Dust remover system for coal sampling room of furnace Download PDFInfo
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- CN117504477A CN117504477A CN202311438488.1A CN202311438488A CN117504477A CN 117504477 A CN117504477 A CN 117504477A CN 202311438488 A CN202311438488 A CN 202311438488A CN 117504477 A CN117504477 A CN 117504477A
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- 239000000428 dust Substances 0.000 title claims abstract description 80
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 25
- 230000000694 effects Effects 0.000 description 14
- 241000220317 Rosa Species 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000012163 sequencing technique Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a dust remover system for a coal sampling room of a furnace, which relates to the technical field of dust removing equipment and comprises a dust removing device, wherein a filtering part of the dust removing device is connected with a cleaning device. The dust collector includes the box, upper portion and the lower part of box are provided with gas outlet, air inlet respectively, be provided with filter component in the box. The filter assembly comprises a separation plate, the separation plate is arranged on the inner wall of the box body, the separation plate divides the box body into a ventilation cavity and a filtering cavity, a plurality of horizontally spaced filter groups are arranged, each filter group comprises two horizontally spaced filter boxes, and the filter boxes are inserted into the separation plate; the cleaning device includes: and the cleaning components are in one-to-one correspondence with the filtering groups. The dust collector removes dust from the air entering the coal sampling room, and removes and stores a large amount of dust contained in the air, so that the environmental pollution between the coal sampling room is reduced, and the health of staff is ensured.
Description
Technical Field
The invention relates to the technical field of dust removing equipment, in particular to a dust remover system for a coal sampling room of a furnace.
Background
The accuracy and the scientificity of sampling and analyzing the coal fed into the furnace can directly influence the accounting of the fuel cost, the adjustment of the operation parameters of the power plant, the calculation and the analysis of main economic indexes and the like in the power production process, and the method has important significance on the operation decision of the thermal power plant.
In the prior art, a dust collector system is not designed and installed between the coal sampling rooms of the fuel coal conveying system, and dust is larger in the sampling rooms during equipment operation, so that the requirements of energy conservation and environmental protection are not met.
Disclosure of Invention
The invention provides a dust remover system for a coal sampling room in a furnace, which is used for solving the technical problem set forth in the background technology.
In order to solve the technical problems, the invention discloses a dust remover system for a coal sampling room of a furnace, which comprises a dust removing device, wherein a filtering part of the dust removing device is connected with a cleaning device.
Preferably, the dust removing device comprises a box body,
the upper portion and the lower part of box are provided with gas outlet, air inlet respectively, be provided with filter components in the box.
Preferably, the filtering assembly comprises a separation plate, the separation plate is arranged on the inner wall of the box body, the separation plate divides the box body into a ventilation cavity and a filtering cavity, and a plurality of filtering groups are horizontally arranged at intervals, each filtering group comprises two filtering boxes which are horizontally arranged at intervals, and the filtering boxes are inserted into the separation plate;
the cleaning device includes: and the cleaning components are in one-to-one correspondence with the filtering groups.
Preferably, the cleaning assembly comprises:
the utility model provides a gas pole and a plurality of gag lever post, vertical setting is in the top of box, the fixed drive frame that is provided with on the end that stretches out of gas pole, it is equipped with to insert all around to drive the frame the gag lever post, be provided with biax motor in the drive frame, the output at biax motor both ends is respectively through the shaft coupling connection axis of rotation, be provided with awl tooth one in the axis of rotation, the vertical rotation axis that is provided with in bottom of drive frame, the top of rotation axis is provided with awl tooth two, awl tooth one with two meshing of awl tooth, the surface spiral of rotation axis lower part is provided with the clearance brush, two the surface one-to-one of clearance brush with two of filter group the internal surface of rose box contacts.
Preferably, the rotary shaft is of a hollow structure, the rotary shaft is communicated with the air inlet pipe, and the air inlet pipe is communicated with the compressed air source.
Preferably, the bottom of the box body is an inclined plane, the bottom of the box body is provided with a dust outlet, and the dust outlet is provided with a detachable dust collection container.
Preferably, a plurality of anti-blocking devices are arranged in a pressure release cavity formed in the filter box.
Preferably, the anti-blocking device comprises a protective box, the protective box is fixedly arranged in the pressure release cavity, the left end of the protective box is provided with an opening, the right side of the protective box is provided with a first vent hole, the middle part in the protective box is connected with a baffle plate, the upper end, the lower end, the front end and the rear end of the baffle plate are respectively and fixedly connected with the inner wall of the upper end, the inner wall of the lower end, the inner wall of the front end and the inner wall of the rear end of the protective box in a sealing way, the upper part and the lower part of the baffle plate are respectively provided with a second vent hole which is communicated left and right, the upper end and the lower end of the protective box are positioned on the left side of the baffle plate and provided with a third vent hole which is communicated up and down, and the left end in the protective box is detachably embedded with a filter screen;
the left end of the air leakage block is fixedly provided with a jacking column, the jacking block is fixedly connected with the middle part of the partition board and the filter screen after sliding through the left end of the jacking column, a reset spring is sleeved on the jacking column, and two ends of the reset spring are respectively connected with the partition board and the air leakage block in the protection box; in the initial state, the right end of the top block is in sealing contact with the left end of the protective box.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the anti-blocking device in fig. 2.
In the figure: 1. a dust removal device; 11. a case; 12. an air inlet; 13. an air outlet; 14. a filter assembly; 141. an air bar; 142. a limit rod; 143. a drive frame; 144. a biaxial motor; 145. a first bevel gear; 146. a rotating shaft; 147. a rotation shaft; 148. a second bevel gear; 149. cleaning brushes; 150. a partition plate; 151. a ventilation chamber; 152. a filtering cavity; 153. a filter box; 2. a dust outlet; 3. a dust collection container; 4. a pressure relief cavity; 5. an anti-blocking device; 51. a protective box; 511. a first vent hole; 512. a second vent hole; 513. a third vent hole; 52. a top column; 53. a top block; 54. pushing a ball; 55. a gas leakage block; 551. dust discharging holes; 56. a return spring; 57. an exhaust chamber; 58. a partition plate; 59. and (3) a filter screen.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides a dust remover system for a coal sampling room of a furnace, which comprises a dust removing device 1 as shown in fig. 1 and 2, wherein a cleaning device is connected to a filtering part of the dust removing device 1.
The dust-removing device 1 comprises a housing 11,
the upper part and the lower part of the box body 11 are respectively provided with an air outlet 13 and an air inlet 12, and a filter assembly 14 is arranged in the box body 11.
Preferably, the bottom of the box body 11 is an inclined plane, the bottom of the box body 11 is provided with a dust outlet 2, and the dust outlet 2 is provided with a detachable dust collection container 3; when the dust content is more and the dust is easier to diffuse, a dust suction device can be arranged to suck the dust in the box 11 to the dust suction box outside the box; the dust collection container can be a dust bag;
the beneficial effects of the technical scheme are as follows: the dust collector 1 removes dust from air entering the coal sampling room, removes and stores a large amount of dust contained in the air, reduces environmental pollution between the coal sampling room, ensures the health of staff, stably stores the sample quality between the coal sampling room, improves the anti-blocking capacity of the dust collector 1, reduces the maintenance times of the dust collector 1, and reduces the cost of manpower and material resources.
Air which is introduced into the furnace coal sampling room is firstly introduced into the air inlet 12, dust in the air is filtered through the filtering component 14 in the box 11, and then the air is introduced into the furnace coal sampling room from the air outlet 13, so that the structure is simple, the maintenance is convenient, and the cost is saved.
The dust cleaned by the cleaning device falls down onto the inclined plane at the bottom of the box body 11 from the filter box 153, intensively slides down along the inclined plane to the dust outlet 2, falls into the dust collection container 3 from the dust outlet 2, and the dust collection container 3 is replaced to intensively process the accumulated dust.
The invention solves the following problems in the background art: in the prior art, a dust collector system is not designed and installed between the coal sampling rooms of the fuel coal conveying system, and dust is larger in the sampling rooms during equipment operation, so that the requirements of energy conservation and environmental protection are not met.
Example 2
On the basis of embodiment 1, as shown in fig. 1-3, the filtering assembly 14 comprises a separation plate 150, the separation plate 150 is arranged on the inner wall of the box body 11, the separation plate 150 divides the box body 11 into a ventilation cavity 151 and a filtering cavity 152, and a plurality of filtering groups are horizontally arranged at intervals, each filtering group comprises two filtering boxes 153 which are horizontally arranged at intervals, and the filtering boxes 153 are inserted on the separation plate 150; the filter box 153 may also be a dust filter bag. The soot is filtered by the lower side, the left side, the right side, the front side and the rear side of the filter box 153, then enters the filter box 153, and is discharged from the filter box.
The cleaning device includes: and the cleaning components are in one-to-one correspondence with the filtering groups.
Preferably, the cleaning assembly comprises:
the air bar 141 and a plurality of gag lever posts 142 are vertically disposed at the top of the box 11, a driving frame 143 is fixedly disposed at the extending end of the air bar 141, the gag lever posts 142 are inserted around the driving frame 143, a double-shaft motor 144 is disposed in the driving frame 143, output ends at two ends of the double-shaft motor 144 are respectively connected with a rotating shaft 146 through a coupling, a first conical tooth 145 is disposed on the rotating shaft 146, a rotating shaft 147 is vertically disposed at the bottom of the driving frame 143, a second conical tooth 148 is disposed at the top of the rotating shaft 147, the first conical tooth 145 is meshed with the second conical tooth 148, cleaning brushes 149 are spirally disposed on the outer surface of the lower portion of the rotating shaft 147, and the outer surfaces of the cleaning brushes 149 are in one-to-one correspondence with the inner surfaces of the filter boxes 153 of the filter groups.
Preferably, the rotary shaft 147 is of a hollow structure, the rotary shaft 147 is communicated with an air inlet pipe, and the air inlet pipe is communicated with a compressed air source.
The beneficial effects of the technical scheme are as follows: the division board 150 divide into ventilation cavity 151 and gas filtering cavity 152 with box 11, the rose box 153 passes through the bolt fastening on the division board 150, the air gets into earlier and filters in the gas filtering cavity 152, the filter screen on the rethread rose box 153 filters the dust, and a structure is simple, the maintenance and the change of parts in the device have been made things convenient for, the flexible of gas pole 141 has been controlled the lift of drive frame 143, rotation axis 147, the cleaning brush, biax motor 144 has provided power to the rotation of axis of rotation 146, axis of rotation 146 drives the synchronous rotation of awl tooth one 145, awl tooth one 145 takes place synchronous rotation through the meshing drive awl tooth two 148 and axis of rotation 146, it rotates to drive the cleaning brush spiral rotation to rotate, the clearance of two action directions is carried out to the filter screen on the rose box 153 when the cleaning brush rotates, prevent because the increase of operating duration, the filter screen on the rose box 153 is blocked by the dust that increases gradually, prevent the filtration inefficacy to the dust, and cause the damage of equipment, increase maintenance number of times causes bigger loss.
The rotation axis 147 is hollow structure, rotation axis 147 intercommunication intake pipe, intake pipe intercommunication compressed air source can realize the pressure dust removal to rose box 153, guarantees the dust removal effect.
Example 3
On the basis of embodiment 1 or 2, as shown in fig. 3, a plurality of the anti-blocking devices 5 are disposed in a pressure release chamber 4 provided in the filter box 153.
Preferably, the anti-blocking device 5 comprises a protective box 51, the protective box 51 is fixedly arranged in the pressure release cavity 4, the left end of the protective box 51 is opened, the right side of the protective box 51 is provided with a first vent hole 511, the middle part in the protective box 51 is connected with a baffle plate 58, the upper end, the lower end, the front end and the rear end of the baffle plate 58 are respectively and fixedly connected with the inner wall of the upper end, the inner wall of the lower end, the inner wall of the front end and the inner wall of the rear end of the protective box 51 in a sealing way, the upper part and the lower part of the baffle plate 58 are respectively provided with a second vent hole 511 which is penetrated left and right, the upper end and the lower end of the protective box 51 are positioned on the left side of the baffle plate 58 and are provided with a third vent hole 513 which is penetrated up and down, and the left end in the protective box 51 is detachably embedded with a filter screen 59;
the air leakage block 55 is arranged on the right side in the protective box 51 in a sliding manner, a dust leakage hole 551 is formed in the air leakage block 55, a top ball 54 is movably arranged between the right side of the protective box 51 and the air leakage block 55, the right part of the top ball 54 is positioned in the first air vent 511, a top column 52 is fixedly arranged on the left side of the air leakage block 55, the left end of the top column 52 is fixedly connected with the top block 53 after penetrating through the middle parts of the partition plate 58 and the filter screen 59 in a sliding manner, a reset spring 56 is sleeved on the top column 52, and two ends of the reset spring 56 are respectively connected with the partition plate 58 and the air leakage block 55 in the protective box 51; in the initial state, the right end of the top block 53 is in sealing contact with the left end of the protection box 51.
The beneficial effects of the technical scheme are as follows:
1. when the pressure relief cavity is not blocked, the air pressure in the pressure relief cavity 4 is the same as the air pressure in other places, and the anti-blocking device 5 is not used;
2. when the internal pressure of the filter box 153 is overlarge, air enters the exhaust cavity 57 from the pressure release cavity 4 through the first air vent 511, pushes the top block 53, pushes the top ball 54, moves the top ball 54 between the protective box 51 and the air release block 55, no longer adheres to the protective box 51 and the air release block 55 to generate gaps, a part of air enters the protective box 51 through the third air vent 513, a part of air enters the protective box 51 through the first air vent 511, and finally is discharged out of the filter box 153;
the filter screen 59 prevents dust at the outer end of the protective case 51 from entering the filter case 153;
the left-right movement of the top block 53 can be realized through the change of the internal pressure of the filter box 153, the reset spring 56 is driven to work, the reset force of the reset spring 56 can be used for giving the impact force to the filter box 153, the dust discharge of the filter box 153 is quickened, and the blockage is reduced.
Embodiment 4, on the basis of any one of embodiments 1 to 3, the air inlet pipe is connected with a control valve, and the dust remover system between the coal samples of the furnace further comprises:
the lower ends of the isolation plates 150 are positioned on the periphery of the filter box 153 and provided with vertical telescopic rods, and the lower ends of the vertical telescopic rods are provided with the first gas density sensors;
humidity detection device, which is set in the box 11 near the air inlet 12 to detect the humidity of the gas;
the second gas density sensor is arranged in the box 11 near the gas inlet 12 and is used for detecting the gas density at the position;
a first flow rate sensor, which is arranged in the box 11 near the gas inlet 12 and is used for detecting the gas flow rate at the position;
the first air pressure sensor is arranged in the box 11 and close to the air inlet 12 and is used for detecting the air pressure at the position;
the second air pressure sensor is used for detecting the air pressure in the air inlet pipe;
the second flow sensor is used for detecting the flow rate of the gas in the gas inlet pipe;
the filtering box 153 is divided into a plurality of first areas along the height direction, and the plurality of third flow rate sensors are arranged at intervals on the inner peripheral side of the filtering box 153 and are used for detecting the gas flow rate in the filtering box 153 where the third flow rate sensors are positioned, and each side of each first area is provided with a third flow rate sensor;
the control device is electrically connected with the first gas density sensor, the humidity detection device, the second gas density sensor, the first flow rate sensor, the first air pressure sensor, the second flow rate sensor, the third flow rate sensor and the alarm respectively; the control device controls the alarm I, the alarm II, the double-shaft motor 144 and the air rod 141 to work based on the first gas density sensor, the humidity detection device, the second gas density sensor, the first flow rate sensor, the first air pressure sensor, the second flow rate sensor and the third flow rate sensor. Optionally, the box 11 is also connected with a dust-absorbing device.
Preferably, the operation of the control device based on the first gas density sensor, the humidity detection device, the second gas density sensor, the first flow rate sensor, the first air pressure sensor, the second flow rate sensor, the third flow rate sensor control alarm, the biaxial motor 144 and the air bar 141 includes:
periodically calculating the blocking coefficient of each first area in the filter box 153 based on the first flow rate sensor and the third gas flow rate sensor, determining the corresponding first area as a blocked first area when the blocking coefficient of the first area is greater than or equal to a preset blocking coefficient threshold value, obtaining a first ratio of the number of blocked first areas of each filter box to the total number of the first areas of the filter box, determining that the corresponding filter box needs to be cleaned when the first ratio is greater than or equal to the first ratio threshold value, and controlling an alarm I to alarm;
wherein W is k A is the detection value of a first flow rate sensor and B is the blocking coefficient of a kth first area of the filter box ki An ith third flow rate sensor detection value, M, for the kth first region k The total number of third flow rate sensors for the kth first region of the filter box; m is M k1 a-B being the kth first region ki The number of third flow rate sensors greater than the first preset value; oc (oc) k The filter importance of the kth first area of the filter box (according to the diffusion state of coal dust, more coal dust passes through a certain first area, the filter importance of the first area is large, and the value of the filter importance is more than 0 and less than 1);
the sequencing module is used for sequencing the blocking coefficients of the blocked first areas from large to small, and the control device controls the air rod 141 to work according to the sequencing result, so that the cleaning brush 149 firstly cleans the blocked first areas with large blocking coefficients;
the acquisition module is used for acquiring first cleaning air pressure, first cleaning time and first cleaning flow rate corresponding to the maximum blocking coefficient, the detection value of the humidity detection device and the detection value of the first air pressure sensor;
when cleaning is performed for the first time, firstly, the double-shaft motor 144 is controlled to work at a rated rotation speed for a first time period, meanwhile, the detection value of the second air pressure sensor is the first cleaning air pressure, the detection value of the second flow rate sensor is the first cleaning flow rate, the cleaning effect coefficient is calculated based on the first air density sensor and the second air density sensor in the first time period, and each first air density sensor in the first time period is detected for N times;
Q d the cleaning effect coefficient of the d-th side of the current blocking first area; ρ ds The detection value is the detection value of the current first gas density sensor on the d-th side of the first area; ρ d(s-1) The detection value is the detection value of the current first gas density sensor on the d-th side of the first area in the s-1 th detection; ρ 2 Is the detection value of a second gas density sensor; ρ 3 Is thatA corresponding preset reference value; n (N) d The number of times that the difference between the detected value of the last time and the detected value of the last time of the current first gas density sensor blocking the d side of the first area is larger than a preset reference difference value;
r is the total side number of the current blocking first area, and Q is the cleaning effect coefficient of the current blocking first area;
when the cleaning effect is preset to be greater than or equal to the preset reference cleaning effect coefficient Q 0 Based on the control of the biaxial motor 144 to operate at the rated rotational speed for a first cleaning duration while the second air pressure sensor detection value is the first cleaning air pressure (preset corresponding to the reference cleaning effect coefficient and the reference state of the coal dust), the second flow rate sensor detection value is the first cleaning flow rate; when the cleaning effect preset is smaller than the preset reference cleaning effect coefficient, controlling the alarm II to give an alarm and countingCalculating target cleaning air pressure, and adjusting the air supply device to enable the detection value of the second air pressure sensor to be the target cleaning air pressure;
p is the target cleaning air pressure; ln is natural logarithm, e is natural constant; p0 is the first cleaning air pressure;
after the previous first area is cleaned, based on the first flow sensor and the third gas flow sensor, calculating the blocking coefficient of the uncleaned blocking first area in the filter box, sorting the blocking coefficients of the uncleaned blocking first area from big to small, and controlling the air rod 141 to work according to the sorting result by the control device, so that the uncleaned blocking first area with big blocking coefficient is cleaned by the cleaning brush 149, and finally, the blocking of all the first areas after the cleaning is completed is smaller than the preset blocking coefficient threshold value.
The beneficial effects of the technical scheme are as follows:
1. the blocking state of each first area can be obtained by dividing the first area, so that the position of the air rod can be conveniently adjusted according to the blocking state of each first area, a filter box in a certain blocking height range can be cleaned preferentially, the double-shaft motor 144 is controlled to work after the height of the cleaning brush 149 is adjusted once through the air rod, and the phenomenon that the air rod is frequently driven to move up and down to influence the service life of the air rod is avoided;
2. the acquisition module is used for acquiring theoretical cleaning parameters (first cleaning air pressure, first cleaning time and first cleaning flow rate) corresponding to the maximum blocking coefficient, the detection value of the humidity detection device and the detection value of the first air pressure sensor, so that the cleaning effect of all blocking first areas can be ensured;
3. when the cleaning is performed for the first time, the double-shaft motor 144 is controlled to work at the rated rotation speed for a first time period, the detection value of the second air pressure sensor is the first cleaning air pressure, the detection value of the second flow rate sensor is the first cleaning flow rate, the cleaning effect coefficient is calculated based on the first air density sensor and the second air density sensor in the first time period, the dust removing effect which is suitable for the current dust state is obtained under the theoretical parameters in a certain time period, whether the current theoretical cleaning parameters are suitable or not is judged, and timely adjustment is performed when the current theoretical cleaning parameters are unsuitable, so that the cleaning effect and efficiency are ensured;
4. because of the length of the cleaning brush, when the cleaning brush is positioned in a certain height range, the cleaning brush can be used for cleaning not only a first blocking area, so that repeated cleaning is avoided, and the cleaning efficiency is improved; after the previous first area is cleaned, calculating the blockage coefficients of the uncleaned blockage first areas in the filter box based on the first flow sensor and the third gas flow sensor, sorting the blockage coefficients of the uncleaned blockage first areas from large to small, and controlling the air rod 141 to work by the control device according to the sorting result, so that the uncleaned blockage first areas with large blockage coefficients are cleaned by the cleaning brush 149 firstly, and finally, the blockage of all the first areas after the cleaning is completed is smaller than a preset blockage coefficient threshold value; thereby finally ensuring the cleaning effect and efficiency.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A dust collector system for a coal sample room for charging, characterized in that: the dust removing device comprises a dust removing device (1), and a cleaning device is connected to a filtering part of the dust removing device (1).
2. A dust collector system for a coal sample room in a furnace as set forth in claim 1 wherein: the dust removing device (1) comprises a box body (11),
the upper part and the lower part of the box body (11) are respectively provided with an air outlet (13) and an air inlet (12), and a filter assembly (14) is arranged in the box body (11).
3. A dust collector system for a coal sample room in a furnace as set forth in claim 2 wherein: the filter assembly (14) comprises a separation plate (150), the separation plate (150) is arranged on the inner wall of the box body (11), the separation plate (150) divides the box body (11) into a ventilation cavity (151) and a filtering cavity (152), a plurality of horizontally-spaced filter groups are arranged, each filter group comprises two horizontally-spaced filter boxes (153), and the filter boxes (153) are inserted on the separation plate (150);
the cleaning device includes: and the cleaning components are in one-to-one correspondence with the filtering groups.
4. A dust collector system for a coal sample room in a furnace as claimed in claim 3, wherein: the cleaning assembly includes:
the utility model provides a gas pole (141) and a plurality of gag lever post (142), vertical setting is in the top of box (11), fixed drive frame (143) that are provided with on the end that stretches out of gas pole (141), drive frame (143) insert all around and be equipped with gag lever post (142), be provided with biax motor (144) in drive frame (143), the output at biax motor (144) both ends is respectively through shaft coupling connection axis of rotation (146), be provided with awl tooth one (145) on axis of rotation (146), the bottom of drive frame (143) is vertical to be provided with rotation axis (147), the top of rotation axis (147) is provided with awl tooth two (148), awl tooth one (145) with awl tooth two (148) meshing, the surface spiral of rotation axis (147) lower part is provided with clearance brush (149), two the surface one-to-one of clearance brush (149) with two of filter group the interior surface of filter box (153) contacts.
5. A dust collector system for a coal sample room in a furnace as set forth in claim 4 wherein: the rotary shaft (147) is of a hollow structure, the rotary shaft (147) is communicated with an air inlet pipe, and the air inlet pipe is communicated with a compressed air source.
6. A dust collector system for a coal sample room in a furnace as set forth in claim 2 wherein: the bottom of box (11) is the inclined plane, the bottom of box (11) is provided with out dirt mouth (2), it is provided with detachable dust collection container (3) to go out dirt mouth (2).
7. A dust collector system for a coal sample room in a furnace as claimed in claim 3, wherein: the anti-blocking devices (5) are arranged in a pressure release cavity (4) formed in the filter box (153).
8. A dust collector system for a coal sample room in a furnace as set forth in claim 7 wherein: the anti-blocking device (5) comprises a protective box (51), the protective box (51) is fixedly arranged in the pressure relief cavity (4), the left end of the protective box (51) is provided with an opening, the right side of the protective box (51) is provided with a first vent hole (511), the middle part in the protective box (51) is connected with a partition plate (58), the upper end, the lower end, the front end and the rear end of the partition plate (58) are respectively and fixedly connected with the inner wall of the upper end, the inner wall of the lower end, the inner wall of the front end and the inner wall of the rear end of the protective box (51) in a sealing manner, the upper part and the lower part of the partition plate (58) are respectively provided with a second vent hole (512) which is penetrated left and right, the upper end and the lower end of the protective box (51) are positioned on the left side of the partition plate (58) are provided with a third vent hole (513) which is penetrated up and down, and the left end in the protective box (51) is detachably embedded with a filter screen (59);
the left side of the air leakage block (55) is fixedly provided with a jacking column (52), the left end of the jacking column (52) slides through the middle parts of the partition plate (58) and the filter screen (59) and is fixedly connected with the jacking block (53), a return spring (56) is sleeved on the jacking column (52), and two ends of the return spring (56) are respectively connected with a partition plate (58) in the protective box (51) and the air leakage block (55); in the initial state, the right end of the top block (53) is in sealing contact with the left end of the protective box (51).
9. A dust collector system for a coal sample room in a furnace as set forth in claim 5 wherein: the air inlet pipe is connected with a control valve, and the dust remover system between the coal sampling of the furnace further comprises:
the lower ends of the isolation plates (150) are positioned at the periphery of the filter box (153) and provided with vertical telescopic rods, and the lower ends of the vertical telescopic rods are provided with the first gas density sensors;
the humidity detection device is arranged in the box body (11) and close to the air inlet (12) and is used for detecting the humidity of the air at the position;
the second gas density sensor is arranged in the box body (11) and close to the gas inlet (12) and is used for detecting the gas density at the position;
the first flow rate sensor is arranged in the box body (11) close to the air inlet (12) and is used for detecting the flow rate of the air at the position;
the first air pressure sensor is arranged in the box body (11) and close to the air inlet (12) and is used for detecting the air pressure at the position;
the second air pressure sensor is used for detecting the air pressure in the air inlet pipe;
the second flow sensor is used for detecting the flow rate of the gas in the gas inlet pipe;
the filter box (153) is divided into a plurality of first areas along the height direction, the plurality of third flow rate sensors are arranged on the inner peripheral side of the filter box (153) at intervals and used for detecting the gas flow rate in the filter box (153) where the third flow rate sensors are positioned, and each side of each first area is provided with one third flow rate sensor;
the control device is electrically connected with the first gas density sensor, the humidity detection device, the second gas density sensor, the first flow rate sensor, the first air pressure sensor, the second flow rate sensor, the third flow rate sensor and the alarm respectively; the control device controls the alarm I, the alarm II, the double-shaft motor (144) and the air rod (141) to work based on the first gas density sensor, the humidity detection device, the second gas density sensor, the first flow rate sensor, the first air pressure sensor, the second flow rate sensor and the third flow rate sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311438488.1A CN117504477A (en) | 2023-10-31 | 2023-10-31 | Dust remover system for coal sampling room of furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311438488.1A CN117504477A (en) | 2023-10-31 | 2023-10-31 | Dust remover system for coal sampling room of furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117504477A true CN117504477A (en) | 2024-02-06 |
Family
ID=89748682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311438488.1A Pending CN117504477A (en) | 2023-10-31 | 2023-10-31 | Dust remover system for coal sampling room of furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117504477A (en) |
-
2023
- 2023-10-31 CN CN202311438488.1A patent/CN117504477A/en active Pending
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