CN112814068A - Supercharging, ventilating and dust removing device of mining excavator - Google Patents
Supercharging, ventilating and dust removing device of mining excavator Download PDFInfo
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- CN112814068A CN112814068A CN202011592228.6A CN202011592228A CN112814068A CN 112814068 A CN112814068 A CN 112814068A CN 202011592228 A CN202011592228 A CN 202011592228A CN 112814068 A CN112814068 A CN 112814068A
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- 239000000428 dust Substances 0.000 title claims abstract description 205
- 238000005065 mining Methods 0.000 title claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 41
- 238000004378 air conditioning Methods 0.000 claims description 31
- 238000004887 air purification Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0891—Lids or bonnets or doors or details thereof
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention discloses a supercharging, ventilating and dust removing device of a mining excavator, which comprises a dust removing system and a ventilating system, wherein the dust removing system comprises a dust remover base, a dust remover main body and a hood, a ventilating opening is formed in the hood, an inner cavity of the hood and the top surface of the dust remover main body form a closed diffusion chamber, the inner cavity of the dust remover main body is divided into a dust removing chamber and a gas purifying chamber, the diffusion chamber is communicated with the dust removing chamber, the dust removing chamber is communicated with the gas purifying chamber, the ventilating system comprises a draught fan, a supercharging fan and a flow guide air channel, an air inlet of the supercharging fan is communicated with the draught fan, an air outlet of the supercharging fan is communicated with the flow guide air channel, the draught fan is communicated with the gas purifying chamber, a filtering filter cylinder and an automatic dust discharging assembly are arranged in the dust remover main body, and the automatic dust discharging assembly. The supercharging, ventilating and dust removing device of the mining excavator improves the operation stability and reliability of the whole machine of the mining excavator.
Description
Technical Field
The invention belongs to the technical field of mining excavators, and particularly relates to a supercharging, ventilating and dust removing device of a mining excavator.
Background
The ventilation and dust removal device of the mining excavator provides clean air for the shed and the electric room, ensures indoor positive pressure, takes away indoor heat and ensures normal work of an equipment electric system. Generally, dust collectors are classified into the following five categories according to their principles of action; mechanical dust collectors including gravity dust collectors, inertial dust collectors, centrifugal dust collectors, and the like; the wet dust collector comprises a water bath dust collector, a foam dust collector, a Venturi tube dust collector, a water film dust collector and the like; the filtering type dust remover comprises a bag-type dust remover, a filter cartridge dust remover and the like; an electrostatic precipitator; a magnetic dust remover. Limited by the structural space, wet dust collectors, electrostatic dust collectors and magnetic dust collectors are not suitable for mining excavators. The filter cartridge dust remover has the characteristics of compact structure and high dust removal efficiency, and is widely applied along with the development and progress of the technology.
The filter cylinder ventilating dust removal device mainly comprises a filter cylinder, a back-blowing dust removal component, an automatic dust removal component, a fan, an electrical control system, an air compression system and the like. When the dust collector normally works, dust-containing air enters the dust collector from the air collecting cover at the upper part of the dust collector, passes through the filtering filter cylinder, the fan sucks clean air into the shed and the electric room from the core part of the filter cylinder, and dust in the dust-containing air is blocked outside the filter cylinder; during the ash removal action, the high-pressure air carries out back-blowing ash removal operation on the filter cylinder through the venturi. The pulse back-blowing ash-cleaning component is formed from Venturi tube, electromagnetic valve and pressure difference meter. During the ash removal action, the high-pressure air carries out back-blowing ash removal operation on the filter cylinder through the venturi.
Compared with the prior shutter dust remover, the filter drum type ventilation dust removal device of the mining excavator is greatly improved; however, the spiral conveyor transversely penetrates through the equipment, the span of the spiral shaft is large, the ash discharge valve is installed in a cantilever manner, the failure rate is high, and the maintenance is difficult; the dust removal fan is arranged in the air purification chamber and limited by space, the specification of the fan is small, the air quantity required by equipment cannot be provided, and the fan is arranged indoors and is inconvenient to maintain; the ventilation system can not run together with the air conditioning system, cold air required by the system can not be provided under an extremely hot environment, the equipment is shut down due to overheat faults, and the stability and the reliability of the equipment are affected, so that the ventilation and dust removal are optimally designed, and the heat dissipation effect of the equipment under the high-temperature environment is necessarily improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a supercharging, ventilating and dust removing device of a mining excavator, which comprises a dust removing system and a ventilating system, wherein:
the dust removal system comprises a dust remover base, a dust remover main body and an air hood, wherein the dust remover main body is arranged on the dust remover base, the air hood is arranged on the top surface of the dust remover main body, a vent is arranged on the air hood, a plurality of primary filter screens are arranged on the vent, an inner cavity of the air hood and the top surface of the dust remover main body form a closed diffusion chamber, the inner cavity of the dust remover main body is longitudinally divided into a dust removal chamber and an air purification chamber by a partition plate, the diffusion chamber is communicated with the dust removal chamber, and the dust removal chamber is communicated with the air purification chamber;
a filter cartridge and an automatic dust discharging assembly are arranged in the dust remover main body of the dust removing system, the automatic dust discharging assembly consists of dust hoppers and a spiral conveyor, the dust hoppers are transversely arranged below the filter cartridge, and an independent spiral conveyor is arranged at a dust outlet below each dust hopper;
the ventilation system comprises an induced draft fan, a booster fan and a flow guide air channel which are arranged on the base of the dust remover, one side of the booster fan is connected to the induced draft fan, the air inlet of the booster fan is communicated with the induced draft fan, the other side of the booster fan is connected to the flow guide air channel, the air outlet of the booster fan is communicated with the flow guide air channel, and the induced draft fan is communicated with the air purifying chamber;
the air-conditioning system is characterized in that an air-conditioning evaporator is arranged in the diversion air duct in the ventilation system, the air-conditioning evaporator is connected to an outdoor unit formed by a compressor and a condenser, and the booster fan, the air-conditioning evaporator and the outdoor unit form a complete air-conditioning system for cooling clean air in the diversion air duct.
Preferably, in the supercharging ventilating dust removing device for the mining excavator, the number of the ash hoppers is the same as that of the spiral conveyors, each ash hopper is provided with an independent spiral conveyor, and the spiral conveyors are arranged longitudinally.
Preferably, in the supercharging, ventilating and dust removing device for the mining excavator, a plurality of filter cartridges are transversely arranged in the dust removing chamber and located above the dust collecting hopper, and one end of a filter cartridge core of each filter cartridge is mounted on a rear faceplate of the dust removing chamber, and the other end of the filter cartridge core of each filter cartridge is mounted on a front faceplate of the dust removing chamber and communicated with the air purifying chamber.
Preferably, in the supercharging, ventilating and dust removing device for the mining excavator, a blowback dust removal assembly is installed in the air purification chamber, the blowback dust removal assembly includes an air bag, an electromagnetic pulse valve, a venturi tube, an air passage and a pressure difference meter, the pressure difference meter is installed on the side wall of the air purification chamber to monitor the pressure difference between the air purification chamber and the atmosphere, the air bags are arranged on the inner cavity wall of the air purification chamber, high-pressure air is introduced into each air bag through the air passage, each air bag is correspondingly connected to one group of the venturi tubes, and each group of the venturi tubes is correspondingly communicated with one filter cartridge core of the filter cartridge in the dust removal chamber.
Preferably, in the supercharging ventilating and dust removing device of the mining excavator, the air conditioning system is independent of the supercharging ventilating and dust removing device of the mining excavator to control the start and stop.
Preferably, in the supercharging ventilation dust removal device for the mining excavator of the present invention, the supercharging ventilation dust removal device for the mining excavator is installed at a tail portion of the mining excavator, the dust removal chamber is located at a rear side of the tail portion of the mining excavator, the air purification chamber is located at a front side of the dust removal chamber, and the induced draft fan, the supercharging fan, and the induced draft duct are located at the front side of the air purification chamber and are located outside the air purification chamber.
Preferably, in the supercharging ventilation dust removal device for the mining excavator, a safety channel is arranged at the rear side of the dust removal chamber.
Preferably, in the supercharging ventilating dust removing device for the mining excavator, the dust remover main body is of an integral steel structure.
Preferably, in the supercharging ventilation dust removal device for the mining excavator, the ventilation system includes two sets of supercharging fans and a diversion air duct, two sides of the induced draft fan are respectively provided with one set of supercharging fan and a diversion air duct, one set of supercharging fan and diversion air duct are introduced into an excavator shed of the mining excavator, the other set of supercharging fan and diversion air duct are introduced into an electrical room of the mining excavator, and the air conditioning evaporator is arranged in the other set of diversion air duct to cool clean air in the other set of diversion air duct.
The supercharging, ventilating and dust removing device for the mining excavator eliminates the long screw conveyor transversely penetrating through equipment and the ash discharge valve installed on the cantilever in the traditional design, and fundamentally eliminates the faults of the screw conveyor and the ash discharge valve; the induced draft fan and the booster fan are both arranged outside the dust remover main body, so that the maintenance is convenient, and the specification of the fan is not limited by space, so that the ventilation quantity can be improved as required; the problem that a ventilation system cannot operate together with an air conditioning system is solved, the heat dissipation effect of the device in a high-temperature environment is improved, and the operation stability and reliability of the whole mining excavator are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1, 2 and 3 are perspective views of the general structure of the pressurized ventilation dust removal device of the mining excavator in different viewing directions.
FIG. 4 is a schematic structural diagram of the pressurized ventilation dust collector of the mining excavator, after the hood is removed.
Fig. 5 is a sectional perspective view taken along a-a in fig. 2.
Description of reference numerals: the device comprises a dust remover base 1, a dust remover main body 2, a 3-blast cap, a 3.1 primary filter screen, a 20-dust chamber, a 21-filter cartridge, a 22-dust hopper, a 23-screw conveyor, a 30-air purifying chamber, a 31-air bag, a 32-electromagnetic pulse valve, a 33-Venturi tube, a 40-draught fan, a 41-booster fan, a 42-diversion air duct, a 42.1-air-conditioning evaporator and a 50-safety channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1, 2 and 3, as shown in fig. 4 and 5, the supercharging, ventilation and dust removal device of the mining excavator of the present invention comprises a dust removal system and a ventilation system, wherein the dust removal system comprises a dust remover base 1, a dust remover main body 2 and a hood 3, the dust remover main body 2 is mounted on the dust remover base 1, the hood 3 is mounted on the top surface of the dust remover main body 2, a ventilation opening is arranged on the hood 3, an inner cavity of the hood 3 and the top surface of the dust remover main body 2 form a closed diffusion chamber, the inner cavity of the dust remover main body 2 is longitudinally divided into two closed chambers by a partition, which are a dust removal chamber 20 and a gas purification chamber 30, respectively, the diffusion chamber formed by the inner cavity of the hood 3 and the top surface of the dust remover main body 2 is communicated with the dust removal chamber 20, the dust removal chamber 20 is communicated with the gas purification chamber 30, dust-containing air enters the diffusion chamber from the ventilation; ventilation system installs on dust remover base 1, the air-purifying chamber 30 in 2 inner chambers of neighbouring dust remover main part communicates with air-purifying chamber 30, ventilation system is including installing draught fan 40 on dust remover base 1, booster fan 41 and water conservancy diversion wind channel 42, booster fan 41 one side is connected in draught fan 40, booster fan 41 opposite side is connected in water conservancy diversion wind channel 42, draught fan 40 communicates in air-purifying chamber 30, make air-purifying chamber 30 produce the negative pressure, booster fan 41 air intake intercommunication draught fan 40, the 41 air exit of booster fan communicates in water conservancy diversion wind channel 42, clean air after the dust removal is followed air-purifying chamber 30 and is drawn out by draught fan 40 and discharge water conservancy diversion wind channel 42 through booster fan 41, then the excavator canopy and the electric room of the mining excavator are sent into.
A dust chamber 20 in a dust collector main body 2 is provided with a filtering filter cartridge 21 and an automatic dust discharging assembly, the filtering filter cartridge 21 consists of a filter cartridge core and a filter cartridge wall sleeved on the periphery of the filter cartridge core, a plurality of filtering filter cartridges 21 are transversely arranged above the dust chamber 20, one end of the filter cartridge core of each filtering filter cartridge 21 is arranged at one side of the dust chamber 20, namely a rear pattern plate, the other end of the filter cartridge core is arranged at the other side of the dust chamber 20, namely a front pattern plate, and is communicated with a gas purifying chamber 30, dust-containing air enters the dust chamber 20 and passes through the filtering filter cartridge 21, dust in the dust-containing air is remained at the filter cartridge wall, the clean air enters the filter cartridge core and is introduced into the gas purifying chamber 30, the automatic dust discharging assembly consists of dust hoppers 22 and spiral conveyors 23, the dust hoppers 22 are transversely arranged below the filtering filter cartridges 21, an independent spiral conveyor 23 which is longitudinally arranged is arranged at a dust outlet below each dust hopper 22, and the number of the dust hoppers 22 is the same, one screw conveyor 23 is provided for each hopper 22, and the screw conveyors 23 are arranged longitudinally. Preferably, in the present invention, the number of the dust hoppers 22 is 3, and the number of the screw conveyors 23 is 3.
The dust cleaning component is installed in the air purifying chamber 30 in the dust remover main body 2, the dust cleaning component comprises air bags 31, an electromagnetic pulse valve 32, venturi tubes 33, an air passage and a pressure difference meter, the pressure difference meter is installed on the side wall of the air purifying chamber 30, the pressure difference between the air purifying chamber 30 and the atmospheric pressure is monitored, a plurality of air bags 31 are arranged on the inner cavity wall of the air purifying chamber 30, each air bag 31 is introduced with high-pressure air through the air passage, each air bag 31 is correspondingly connected to one group of venturi tubes 33, each group of venturi tubes 33 is correspondingly communicated with one filter cylinder core of the filter cylinder 21 in the dust removing chamber 20, the air bags 31 are controlled by the electromagnetic pulse valve 32 to enable the high-pressure air in the air bags 31 to be introduced into the venturi tubes 33 and sprayed out to the filter cylinder cores through the venturi tubes 33, so that dust on the filter cylinder walls is repeatedly shaken by the high-pressure air to fall.
As a specific implementation manner, the ventilation system adopts two sets of booster fans 41 and guide air ducts 42, a set of booster fans 41 and guide air ducts 42 are respectively arranged on two sides of the induced draft fan 40, the cleaned air after dust removal is led out from the air purification chamber 30 by the induced draft fan 40 and is sent into the shed of the mining excavator through one set of booster fans 41 and guide air ducts 42, and the cleaned air after dust removal is led out from the air purification chamber 30 by the induced draft fan 40 and is sent into the electric chamber of the mining excavator through the other set of booster fans 41 and guide air ducts 42.
As a specific implementation manner, an air conditioning evaporator 42.1 is arranged in a diversion air duct 42 leading to an electrical room of the mining excavator in a ventilation system, the air conditioning evaporator 42.1 is connected to an outdoor unit composed of a compressor and a condenser, and a complete air conditioning system is formed by the booster fan 41, the air conditioning evaporator 42.1 and the outdoor unit to cool clean air in the diversion air duct 42 leading to the electrical room, so as to provide cold air for the electrical room, thereby ensuring stable operation of an electrical control system of the mining excavator.
Certainly, an air-conditioning evaporator 42.1 can also be arranged in the diversion air duct 42 leading to the shed of the mining excavator in the ventilation system, the air-conditioning evaporator 42.1 is connected to an outdoor unit consisting of a compressor and a condenser, and a complete air-conditioning system is formed by the booster fan 41, the air-conditioning evaporator 42.1 and the outdoor unit to cool clean air in the diversion air duct 42 leading to the shed of the mining excavator and provide cold air for the shed of the mining excavator, so that a good working environment is provided for operators of the mining excavator.
Preferably, a control system of the air conditioning system is independent of a control system of the supercharging ventilation dust removal device of the mining excavator, so that the air conditioning system can be started and stopped independently, when the environment is higher than the preset temperature, the air conditioning system is started, and when the environment is lower than the preset temperature, the air conditioning system is closed, and meanwhile, the operation of the supercharging ventilation dust removal device of the mining excavator is not influenced by the opening and closing of the air conditioning system.
Preferably, in order to prevent large particles and insects from entering the dust collector body 2, thereby reducing the burden of the filter cartridge 21 and improving the lifespan of the filter cartridge 21, the ventilation opening of the hood 3 is installed with a plurality of primary filter screens 3.1.
In practical use of the supercharging ventilation dust removal device for the mining excavator, the supercharging ventilation dust removal device for the mining excavator is installed at the tail part of the mining excavator, namely the rear side of the mining excavator opposite to a working mechanism such as an excavator bucket, the dust removal chamber 20 is positioned at the rear side of the tail part of the mining excavator, the air purification chamber 30 is positioned at the front side of the dust removal chamber 20, and the induced draft fan 40, the supercharging fan 41 and the induced draft duct 42 are positioned at the front side of the air purification chamber 30 and are positioned outside the air purification chamber 30.
Preferably, a relief passage 50 is provided at the rear side of the dust chamber 20 in order to facilitate replacement of the filter cartridge 21.
Preferably, the precipitator body 2 is of unitary steel construction.
The supercharging ventilating dust removal device for the mining excavator is arranged at the tail part of the mining excavator, and the working process of the supercharging ventilating dust removal device for the mining excavator is as follows: the induced draft fan 40 and the booster fan 41 are started, the induced draft fan 40 enables the air purifying chamber 30 to generate negative pressure, dust-containing air enters the diffusion chamber of the hood 3 from the primary filter screen 3.1 and then enters the dust removing chamber 20, dust in the dust-containing air is deposited on the filter cartridge wall of the filter cartridge 21 after the dust-containing air passes through the filter cartridge 21 arranged above the dust removing chamber 20, the cleaned air after dust removal enters the air purifying chamber 30 through the filter cartridge core of the filter cartridge 21, and the booster fan 41 sends the cleaned air in the air purifying chamber 30 to the diversion air duct 42, so that the cleaned air enters the excavator shed and the electric room of the mining excavator; when the pressure difference meter in the air purifying chamber 30 reaches a preset value, the electromagnetic pulse valve 32 in the air purifying chamber 30 is opened, high-pressure air in the air bag 31 enters the venturi tube 33, the high-pressure air is sprayed into the filter cylinder core of the filter cylinder 21 through the venturi tube 33, at the moment, dust on the filter cylinder wall of the filter cylinder 21 is repeatedly washed and shaken by the high-pressure air and falls off to enter the dust accumulation hopper 22, and when the dust in the dust accumulation hopper 22 is fully accumulated, the dust is directly discharged from the tail part of the mining excavator by starting the spiral conveyer 23 in the automatic dust discharging assembly.
In conclusion, compared with the prior art, the supercharging, ventilating and dedusting device of the mining excavator provided by the invention has the advantages that the traditional long screw conveyor transversely penetrating through equipment and the ash discharge valve installed on the cantilever are omitted, so that the faults of the screw conveyor and the ash discharge valve are fundamentally eliminated; the induced draft fan and the booster fan are both arranged outside the dust remover main body, so that the maintenance is convenient, and the specification of the fan is not limited by space, so that the ventilation quantity can be improved as required; the problem that a ventilation system cannot operate together with an air conditioning system is solved, the heat dissipation effect of the device in a high-temperature environment is improved, and the operation stability and reliability of the whole mining excavator are improved.
It is to be noted that, in this document, the term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, so that an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Meanwhile, the term "connected" and the like as used herein should be broadly interpreted as referring to a fixed connection, a detachable connection, a direct connection, or an indirect connection through intermediate components. In addition, "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like are referred to herein as being placed in the state shown in the drawings.
It should be further noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or alterations do not depart from the spirit of the invention.
Claims (9)
1. The supercharging, ventilation and dust removal device for the mining excavator is characterized by comprising a dust removal system and a ventilation system, wherein:
the dust removal system comprises a dust remover base, a dust remover main body and an air hood, wherein the dust remover main body is arranged on the dust remover base, the air hood is arranged on the top surface of the dust remover main body, a vent is arranged on the air hood, a plurality of primary filter screens are arranged on the vent, an inner cavity of the air hood and the top surface of the dust remover main body form a closed diffusion chamber, the inner cavity of the dust remover main body is longitudinally divided into a dust removal chamber and an air purification chamber by a partition plate, the diffusion chamber is communicated with the dust removal chamber, and the dust removal chamber is communicated with the air purification chamber;
a filter cartridge and an automatic dust discharging assembly are arranged in the dust remover main body of the dust removing system, the automatic dust discharging assembly consists of dust hoppers and a spiral conveyor, the dust hoppers are transversely arranged below the filter cartridge, and an independent spiral conveyor is arranged at a dust outlet below each dust hopper;
the ventilation system comprises an induced draft fan, a booster fan and a flow guide air channel which are arranged on the base of the dust remover, one side of the booster fan is connected to the induced draft fan, the air inlet of the booster fan is communicated with the induced draft fan, the other side of the booster fan is connected to the flow guide air channel, the air outlet of the booster fan is communicated with the flow guide air channel, and the induced draft fan is communicated with the air purifying chamber;
the air-conditioning system is characterized in that an air-conditioning evaporator is arranged in the diversion air duct in the ventilation system, the air-conditioning evaporator is connected to an outdoor unit formed by a compressor and a condenser, and the booster fan, the air-conditioning evaporator and the outdoor unit form a complete air-conditioning system for cooling clean air in the diversion air duct.
2. The mining excavator plenum draft dust extraction apparatus of claim 1, wherein the number of said ash hoppers is the same as the number of said screw conveyors, each said ash hopper is provided with an independent said screw conveyor, and said screw conveyors are arranged longitudinally.
3. The mining excavator supercharging ventilating dust removing device according to claim 1, wherein a plurality of filtering filter cartridges are transversely arranged in the dust removing chamber and above the dust collecting hopper, and a filter cartridge core of each filtering filter cartridge is installed at one end of a rear faceplate of the dust removing chamber, and the other end of the filter cartridge core is installed at a front faceplate of the dust removing chamber and communicated with the air purifying chamber.
4. The mining excavator supercharging, ventilating and dedusting device as claimed in claim 3, wherein a blowback ash removal assembly is installed in the air purification chamber, the blowback ash removal assembly comprises an air bag, an electromagnetic pulse valve, a venturi tube, an air passage and a pressure difference meter, the pressure difference meter is installed on the side wall of the air purification chamber to monitor the pressure difference between the air purification chamber and the atmosphere, the air bags are arranged on the inner cavity wall of the air purification chamber, each air bag is communicated with high-pressure air through the air passage, each air bag is correspondingly connected to one group of venturi tubes, and each group of venturi tubes corresponds to one filter cartridge core communicated with the filter cartridge in the dedusting chamber.
5. The mining excavator plenum dedusting apparatus of claim 1 wherein the air conditioning system is controlled to be on and off independently of the mining excavator plenum dedusting apparatus.
6. The mining excavator plenum ventilation dust collector of claim 1, wherein the mining excavator plenum ventilation dust collector is installed at the tail part of a mining excavator, the dust removal chamber is located at the rear side of the tail part of the mining excavator, the air purification chamber is located at the front side of the dust removal chamber, and the induced draft fan, the booster fan and the induced draft duct are located at the front side of the air purification chamber and are located outside the air purification chamber.
7. The mining excavator pressurized ventilation dust removal device of claim 6, wherein a safety channel is provided at the rear side of the dust removal chamber.
8. The mining excavator plenum ventilation dust collector of claim 1, wherein the dust collector body is of a unitary steel structure.
9. The mining excavator supercharging ventilation dust removal device according to any one of claims 1 to 8, wherein the ventilation system comprises two sets of supercharging fans and a diversion air duct, the two sides of the induced draft fan are respectively provided with one set of supercharging fans and a diversion air duct, one set of supercharging fans and diversion air ducts are communicated with an excavator shed of the mining excavator, the other set of supercharging fans and diversion air ducts are communicated with an electrical room of the mining excavator, and the air conditioning evaporator is arranged in the other set of diversion air duct to cool clean air in the other set of diversion air duct.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011592228.6A CN112814068A (en) | 2020-12-29 | 2020-12-29 | Supercharging, ventilating and dust removing device of mining excavator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011592228.6A CN112814068A (en) | 2020-12-29 | 2020-12-29 | Supercharging, ventilating and dust removing device of mining excavator |
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| CN112814068A true CN112814068A (en) | 2021-05-18 |
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| CN202011592228.6A Pending CN112814068A (en) | 2020-12-29 | 2020-12-29 | Supercharging, ventilating and dust removing device of mining excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482162A (en) * | 2021-12-30 | 2022-05-13 | 太原重工股份有限公司 | Mining excavator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306467A (en) * | 1997-04-30 | 1998-11-17 | Hitachi Constr Mach Co Ltd | Dust-proof device in cab of construction machine |
| CN102758463A (en) * | 2012-07-24 | 2012-10-31 | 太原重工股份有限公司 | Dedusting device of excavator |
| CN202879194U (en) * | 2012-11-16 | 2013-04-17 | 湖南江麓重工科技有限公司 | Inner air purifying, pollution preventing and temperature conditioning combined system for excavator cab at hazardous condition |
| CN204645135U (en) * | 2015-05-29 | 2015-09-16 | 文洪莉 | A kind of new type mining excavator ventilating dust-arrester |
| CN207657553U (en) * | 2017-11-29 | 2018-07-27 | 烟台首钢电装有限公司 | The air-conditioning unit of excavator |
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2020
- 2020-12-29 CN CN202011592228.6A patent/CN112814068A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10306467A (en) * | 1997-04-30 | 1998-11-17 | Hitachi Constr Mach Co Ltd | Dust-proof device in cab of construction machine |
| CN102758463A (en) * | 2012-07-24 | 2012-10-31 | 太原重工股份有限公司 | Dedusting device of excavator |
| CN202879194U (en) * | 2012-11-16 | 2013-04-17 | 湖南江麓重工科技有限公司 | Inner air purifying, pollution preventing and temperature conditioning combined system for excavator cab at hazardous condition |
| CN204645135U (en) * | 2015-05-29 | 2015-09-16 | 文洪莉 | A kind of new type mining excavator ventilating dust-arrester |
| CN207657553U (en) * | 2017-11-29 | 2018-07-27 | 烟台首钢电装有限公司 | The air-conditioning unit of excavator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482162A (en) * | 2021-12-30 | 2022-05-13 | 太原重工股份有限公司 | Mining excavator |
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