CN114950021B - Dust removing method of automatic batching system for glass production - Google Patents
Dust removing method of automatic batching system for glass production Download PDFInfo
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- CN114950021B CN114950021B CN202210597378.9A CN202210597378A CN114950021B CN 114950021 B CN114950021 B CN 114950021B CN 202210597378 A CN202210597378 A CN 202210597378A CN 114950021 B CN114950021 B CN 114950021B
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B1/00—Preparing the batches
Abstract
The invention relates to an automatic batching system for glass production, which comprises a plurality of raw material supply devices and a batching chamber, wherein the bottoms of the raw material supply devices penetrate through a top plate of the batching chamber and extend into the batching chamber, a batching conveyer belt is arranged in the batching chamber along the length direction of the batching chamber, a mixer is arranged outside the batching chamber, the discharge end of the batching conveyer belt is connected to a feed inlet of the mixer, the mixer receives the feeding of the batching conveyer belt, and a batching chamber dust removing device for recycling dust in the batching chamber is further arranged on the batching chamber. The invention has the following beneficial effects: dust generated in the process of adding raw materials into the storage bin is automatically collected into the corresponding storage bin, so that the raw materials are reused while dust emission is reduced; dust generated in the discharging process after raw material mixing and batch mixing is automatically collected into a corresponding bin, so that the raw materials are reused while dust emission is reduced.
Description
Technical Field
The invention relates to a dust removing method of an automatic batching system for glass production, and belongs to the technical field of glass manufacturing.
Background
At present, china is faced with the outstanding contradiction between the rapid development of economic society, population growth and resource environment constraint. The ecological damage and environmental pollution of China reach the limit of the natural ecological environment, and in order to realize sustainable economic growth and relieve huge environmental pressure, the economic growth must be promoted in an environment-friendly way. The development of the circular economy aims to prevent pollution from the source, effectively reduce resource consumption and waste emission, thereby really solving the dilemma of restricting the development of China.
The glass industry is used as a resource consumption industry, and after years of development, products are improved and enriched in yield, quality, functions and application fields. At the same time, the environmental pollution level is continuously deteriorated with the consumption of a large amount of resources and energy and the generation of wastes. The resource utilization rate of the glass industry is improved, the energy consumption and the greenhouse gas emission are reduced, the utilization treatment of wastes is enhanced, and great attention is paid to all countries in the world. The China is a large country for glass production and consumption, and is a country with relatively deficient resources, and the siliceous mineral resources as main raw materials are drastically reduced. In order to meet the needs of national economy construction, the glass industry will also remain a rapidly growing trend for a long time. Therefore, by virtue of technological progress, resources are saved and effectively utilized, an ecological industry system is constructed according to a circular economy mode, sustainable development of the glass industry is realized, and the ecological environment system is a requirement for constructing a circular economy type society in China and is an important component of the whole circular economy in China.
Problems of the existing automatic batching system for glass production are that: 1. the automatic batching adopts bag dust removal and is simply collected, and is not automatically discharged into a bin; 2. the closed space at the bottom of the automatic batching bin is not subjected to dust removal treatment, so that dust flies much, the dust is not treated according to the environmental protection requirement, and the space environment is poor.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the invention are as follows: in order to solve one of the problems, an automatic batching system for glass production is provided.
The invention relates to an automatic batching system for glass production, which is characterized in that: comprises a plurality of raw material supply devices and a batching room, wherein the bottom of the raw material supply device penetrates through a top plate of the batching room to extend into the batching room, a batching conveyer belt is arranged in the batching room along the length direction of the batching room, the batching conveyer belt is positioned below a discharge hole of the raw material supply device, the batching conveyer belt receives the discharge of the raw material supply devices, a mixer is arranged outside the batching room, the discharge end of the batching conveyer belt is connected to a feed inlet of the mixer, the mixer receives the feed of the batching conveyer belt,
the raw material supply device comprises a raw material bin, a weighing bin for weighing and feeding is connected to the lower portion of the raw material bin, a material mixing conveying belt is used for carrying out material mixing of the weighing bin, a material mixing chamber dust removing device for recycling dust inside the material mixing chamber is further arranged on the material mixing chamber, a bin dust removing device for recycling dust inside the raw material bin is arranged on the raw material bin, dust generated in the raw material feeding process is automatically recycled into the corresponding raw material bin by the bin dust removing device, and the raw material is reused while dust emission is reduced.
Further, still include batching room dust collection storehouse, batching room roof extension to batching room inside is run through to the bottom of raw materials feeding device, batching room dust collector's discharge gate is in batching room dust collection storehouse below, batching room dust collector's discharge gate passes through dust conveyor and batching room dust collection storehouse's feed inlet intercommunication, dust conveyor transports batching room dust collector in the material in the batching room dust collector to batching room dust collection storehouse, batching room dust collector receives batching room dust collection storehouse ejection of compact, batching room dust collector is collected the dust that produces in the batching room in-process of weighing, store in the batching room dust collection storehouse again through dust conveyor conveying, use as a raw materials after weighing in proportion, reduce batching raw materials quantity, practice thrift the raw materials cost.
Further, install the blendor dust collector who is used for retrieving the inside dust of blendor on the blendor, will be at the automatic income of the dust that produces in the blowing process behind raw materials compounding and batch mixture and correspond the feed bin, reuse the raw materials when reducing the raise dust.
Further, the raw material supply device is provided with a plurality of groups of quartz sand bins side by side; a soda ash bin; an aluminum hydroxide bin; borax bin; a limestone storage bin; a potassium carbonate bin; a barium carbonate bin; the discharge gate of titanium white powder feed bin, batching room dust collection storehouse is in the upstream position of batching conveyer belt.
Further, the batching room comprises a closed room under the ground, the closed room is a rectangular closed room, a closed space is enclosed by a top plate, a bottom plate and four side plates, the top plate of the closed room is provided with an access hole for people to enter, the outer side of the front side plate of the closed room is provided with a front shield with a U-shaped section along the length direction, the front shield is opened towards the closed room, N groups of air suction units are arranged in the notch of the closed room, N is a double number, the air inlets of the air suction units penetrate through the side plates and are communicated with the cavity in the closed room, the air outlets of the air suction units are communicated with a main air outlet pipe, the air outlets of the main air outlet pipe are communicated with the air inlets of the batching room dust removing device, the outer side of the rear side plate of the closed room is provided with a rear shield with a U-shaped section along the length direction, the rear shield is opened towards the closed room, M groups of branch exhaust pipes are arranged in the notch of the closed chamber, the air outlets of the branch exhaust pipes penetrate through the side plates and are communicated with the cavity in the closed chamber, the air inlets of the branch exhaust pipes are communicated with the main return air pipe, the air inlets of the main return air pipe are communicated with the air outlets of the batching chamber dust removing device, one end of the main return air pipe, which is close to the batching chamber dust removing device, is connected with the bypass exhaust pipe, the tail air purifier is arranged at the tail end of the bypass exhaust pipe, the bypass exhaust pipe is sequentially provided with a bypass flow control valve A and a bypass fan from the air inlets to the air outlets, four corners of the top plate are respectively provided with a group of top air inlet pipes, the top air inlet pipes are respectively provided with one-way valves, the bypass return air pipe is arranged at the air inlet position of the batching chamber dust removing device and vertically and downwards penetrates through the top plate to extend into the closed chamber, a bypass flow control valve B is arranged on the bypass return air pipe;
in a general use state, a bypass flow control valve B is closed, a bypass flow control valve A, a bypass fan and a tail air purifier are opened, the opening state of the bypass flow control valve A is 1/5-2/5 of the rated flow, the tail air purifier is in a low-load state, dust-containing air in a closed chamber enters a batching chamber dust removing device for treatment through an air suction unit, most of the air treated by the batching chamber dust removing device flows back into the closed chamber through a main return air pipe and a branch exhaust pipe, a small part of the air is discharged through the bypass exhaust pipe, micro negative pressure is formed in the closed chamber, micro air is supplemented to the closed chamber through a top air inlet pipe, the opening and closing interval of each air suction unit is 1/N hour, and when the air suction units with odd orders are opened, the air suction units with even orders are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
the method comprises the steps that personnel enter a maintenance state of a day-open machine in a closed chamber, a bypass flow control valve B is closed, a bypass flow control valve A, a bypass fan and a tail air purifier are opened, the opening state of the bypass flow control valve A is 4/5-1 of rated flow, the tail air purifier is in a medium-high load state, part of dust-containing air in the closed chamber enters a batching chamber dust removal device through an air suction unit to be treated, all air treated by the batching chamber dust removal device is discharged through a bypass exhaust pipe, part of dust-containing air in the closed chamber is reversely flowed through a branch exhaust pipe and a main return air pipe and is discharged after being treated through the bypass exhaust pipe and the tail air purifier, a medium negative pressure is formed in the closed chamber, a large amount of air is supplemented to the closed chamber through a top air inlet pipe, dust concentration in the closed chamber is reduced as soon as possible, fresh air is supplemented for daily maintenance personnel, a comfortable environment is provided, the opening and closing interval of each air suction unit is 1/N hours, and when the suction units with odd number are opened, the suction units with even sequence are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
when the pipeline dust accumulation cleaning state is needed, the main air outlet pipe is a main dust accumulation pipeline, all the air suction units and the bypass flow control valve B are opened, the flow in the main air outlet pipe is greatly increased, dust in the main air outlet pipe is purged, most of gas output by the main air outlet pipe flows back into the closed chamber through the bypass return pipe, and part of gas is discharged through the batching chamber dust removing device, the main return pipe, the tail air purifier and the branch exhaust pipe.
Further, the air suction unit comprises a branch pipeline communicated with the closed chamber and the main air outlet pipe, a branch fan and a branch opening and closing valve are arranged on the branch pipeline, and the starting state of the air suction unit is that the branch fan and the branch opening and closing valve are simultaneously opened.
Further, the batching room dust collector comprises a dust collecting pipe communicated with the main air outlet pipe, the other end of the dust collecting pipe is communicated with the cylinder body, a dust collecting bag mounting frame is arranged in the cylinder body, the inner cavity of the cylinder body is divided into an upper part and a lower part by the dust collecting bag mounting frame, the air outlet pipe communicated with the upper cavity is arranged on the outer wall of the upper part of the cylinder body, an induced draft fan is connected to the air outlet pipe, the tail end of the induced draft fan is connected with the main air return pipe, a dust collecting pipe connected with the lower cavity is arranged on the outer wall of the bottom of the cylinder body, a pulse air bag is arranged on the outer wall of the cylinder body, a plurality of groups of dust collecting bags are arranged on the mounting hole of the dust collecting bag mounting frame, one end of the pulse pipe is communicated with the pulse air bag, and the other end of the pulse pipe extends into the cylinder body and is positioned above the dust collecting bag mounting frame; an electromagnetic pulse valve is arranged between the pulse air bag and the pulse tube, and a nozzle opposite to the dust removing cloth bag in position is arranged on the pulse tube.
Further, the barrel includes from last upper housing, upside flexible bellows, well casing, downside flexible bellows, lower casing and the toper ash bucket that connects gradually down, and the lower casing passes through the landing leg to be installed subaerial, the dust removal sack mounting bracket is installed inside well casing, a plurality of two pole pneumatic cylinders of going out are installed to its circumferencial direction on the outer wall of well casing, two pole pneumatic cylinders include cylinder and piston rod, and upper end and the lower extreme of its piston rod are installed on last casing and lower casing through the link that corresponds respectively, and upper housing and lower casing position are fixed relatively, and the cylinder is fixed on the outer wall of well casing.
Further, the upper flexible corrugated pipe and the lower flexible corrugated pipe are made of rubber materials.
Further, the electromagnetic directional valve is further included, an air inlet and outlet A communicated with the upper rod cavity and an air inlet and outlet B communicated with the lower rod cavity are formed in the cylinder barrel of the double-rod hydraulic cylinder, the air inlet and outlet B is communicated with the outside, the air inlet and outlet A is communicated with an air source through the electromagnetic directional valve, when the cloth bag is ash removed, an external air source is inflated to the upper rod cavity through the air inlet and outlet A, the cylinder barrel is pushed to move upwards after the upper rod cavity is inflated, the cylinder barrel drives the middle shell to move upwards, after the electromagnetic directional valve is changed, the air inlet and outlet A is communicated with the outside, the middle shell pulls the cylinder barrel to move downwards under the dead weight, the upper rod cavity is exhausted through the air inlet and outlet A, and the middle shell moves up and down in a reciprocating mode through the direction change of the electromagnetic directional valve.
Further, the electromagnetic reversing valve is a two-position three-way reversing valve.
Further, an upper cover is buckled on the top of the upper shell; the air outlet pipe and the pulse air bag are both fixed on the outer wall of the upper shell, the pulse pipe penetrates through the upper shell, the dust collecting pipe is fixed on the outer wall of the conical ash bucket, the star-shaped discharging is installed at the bottom end of the conical ash bucket, the star-shaped discharging outlet is connected with the feeding hopper of the dust conveying device, and the star-shaped discharging is conveyed into the dust collecting bin of the adjacent batching room through the dust conveying device.
Further, the bin dust removing device and the mixer dust removing device are pulse type cloth bag dust removing devices.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the automatic batching system for glass production, the dust removing device is arranged at the upper part of each raw material bin, dust generated in the process of adding raw materials into the corresponding bin is automatically collected, and raw materials are reused while dust emission is reduced;
2. according to the automatic batching system for glass production, the dust removing device is arranged at the upper part of the mixer, dust generated in the discharging process after raw material mixing and batch mixing is automatically collected into the corresponding bin, and raw materials are reused while dust emission is reduced;
3. according to the automatic batching system for glass production, the dust removing device is arranged on the weighing system part of the automatic batching underground closed space, dust generated in the weighing process is conveyed to the storage bin through the conveying belt to be collected in a concentrated mode, and the dust is weighed according to proportion and then used as a raw material, so that the dosage of batching raw materials is reduced, and the raw material cost is saved;
4. the automatic batching system for glass production can be mutually switched in a general use state, a state that personnel enter a closed chamber and a state that a pipeline is required to be cleaned by dust accumulation in a normal machine maintenance state, so as to meet different requirements;
5. the opening and closing interval of each air suction unit is 1/N hour, and when the air suction units with the sequence of odd numbers are opened, the air suction units with the sequence of even numbers are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed, and the wind direction is continuously changed, so that the dust removal effect is improved;
6. according to the automatic batching system for glass production, the middle shell is controlled to reciprocate up and down through the electromagnetic reversing valve, the middle shell drives the dust collecting cloth bag mounting frame to vibrate and is matched with the pulse tube, dust adsorbed on the dust collecting cloth bag is removed, shaking-off time is shortened, frequent stress of a fiber gap of the filter bag for a long time is avoided, and the service life of the dust collecting cloth bag is prolonged.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
fig. 4 is a schematic diagram of the connection of the electromagnetic directional valve.
In the figure: 1. the raw material supply device 1.1, the raw material bin 1.2, the weighing bin 1.3, the bin dedusting device 2, the batching chamber 2.1, the closed chamber 2.2, the front shield 2.3, the rear shield 2.4, the main air outlet pipe 2.5, the bypass return pipe 2.6, the main return pipe 2.7, the bypass exhaust pipe 2.8, the bypass fan 2.9, the tail air purifier 2.10, the bypass exhaust pipe 2.11, the top air inlet pipe 2.12, the bypass flow control valve A2.13, the bypass flow control valve B3, the batching chamber dedusting device 3.1, the cylinder 3.2, the air outlet pipe 3.3, the induced draft fan 3.4, the dedusting cloth bag mounting frame 3.5, the dedusting cloth bag 3.6, the hopper 3.7, the star-shaped discharging 3.8, the pulse air bag 3.9, the electromagnetic pulse valve 3.10, the main return pipe 3.11, the upper shell 3.12, the middle shell 3.13, the lower shell 3.14, the conical ash hopper 3.15, the upper flexible bellows 3.16, the lower flexible cover 3.17, the double-bellows valve 3.18, the pulse valve 3.7, the bypass bellows, the bypass flexible cover 3.17, the double-type dust collecting device, the pulse pump cylinder 3.18, the pulse pump hopper 3.7, the dust collecting device 8, the batching cylinder 3.7, the batching cylinder 8, the batching cylinder 3.7, the dust collecting device.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the present invention is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Example 1
As shown in fig. 1, the automatic batching system for glass production comprises a plurality of raw material supply devices 1 and a batching room 2, the bottom of the raw material supply device 1 penetrates through the top plate of the batching room 2 and extends into the batching room 2, a batching conveyer belt 5 is arranged in the batching room 2 along the length direction of the batching room, the batching conveyer belt 5 is positioned below a discharge hole of the raw material supply device 1, the batching conveyer belt 5 receives the discharge of the raw material supply device 1, a mixer 7 is arranged outside the batching room 2, the discharge end of the batching conveyer belt 5 is connected to a feed hole of the mixer 7, the mixer 7 receives the feed of the batching conveyer belt 5, the raw material supply device 1 comprises a raw material bin 1.1, a weighing bin 1.2 for weighing and feeding is connected to the bottom of the raw material bin 1.1, a batching room dust removing device 3 for recovering dust inside the batching room 2 is arranged on the batching room 2, a bin dust removing device 1.3 for recovering dust inside the raw material bin 1.1 is arranged on the raw material bin 1.1, and the bin dust removing device 1.3 is added into the raw material bin 1.1 to reduce the dust in the raw material bin 1.1 and the process of automatic dust recovering and recycling the raw material corresponding to the raw material 1.
Preferably, the device also comprises a batching room dust collection bin 4, the bottom of the raw material supply device 1 penetrates through the top plate of the batching room 2 to extend into the batching room 2, the batching conveyer belt 5 is positioned below the discharge port of the batching room dust collection bin 4, the discharge port of the batching room dust removal device 3 is communicated with the feed port of the batching room dust collection bin 4 through the dust conveying device 6, the dust conveying device 6 conveys the materials in the batching room dust removal device 3 into the batching room dust collection bin 4, the batching conveyer belt 5 receives the batching room dust collection bin 4 to discharge, the batching room dust removal device 3 collects the dust generated in the weighing process in the batching room 2, and then the dust is conveyed into the batching room dust collection bin 4 through the dust conveying device 6 to be stored, and is used as a raw material after being weighed in proportion, so that the dosage of the batching raw material is reduced, and the raw material cost is saved; install the blendor dust collector 8 that is used for retrieving the inside dust of blendor 7 on the blendor 7, will be at the automatic income of the dust that produces in the blowing process behind raw materials compounding and batch mixture and correspond the feed bin, reuse the raw materials when reducing the raise dust.
Example two
The first difference from the embodiment is that the raw material supply device 1 is provided with a plurality of groups of quartz sand bins side by side; a soda ash bin; an aluminum hydroxide bin; borax bin; a limestone storage bin; a potassium carbonate bin; a barium carbonate bin; the discharge gate of titanium white powder feed bin, batching room dust collection storehouse 4 is in the upstream position of batching conveyer belt 5.
Example III
As shown in fig. 2, the difference from the embodiment is that the batching room 2 comprises a closed room 2.1 under the ground, the closed room 2.1 is a rectangular closed room, a top plate, a bottom plate and four side plates enclose into a closed space, the top plate of the closed room 2.1 is provided with an access hole for people to enter, the outer side of the front side plate of the closed room 2.1 is provided with a front shield 2.2 with a U-shaped section along the length direction, the front shield 2.2 is opened towards the closed room 2.1, N groups of air suction units are arranged in the notch of the closed room 2.1, N is a double number, the air inlets of the air suction units are communicated with the inner cavity of the closed room 2.1 through the side plates, the air outlets of the air suction units are all communicated with the main air outlet pipe 2.4, the air outlets of the main air outlet pipe 2.4 are communicated with the air inlets of the batching room dust removing device 3, the outer side plate of the closed room 2.1 is provided with a rear shield 2.3 with a U-shaped section along the length direction, the rear shield 2.3 is opened towards the airtight chamber 2.1, M groups of branch exhaust pipes 2.10 are arranged in the notch of the airtight chamber 2.1, the air outlets of the branch exhaust pipes 2.10 penetrate through the side plates and are communicated with the inner cavity of the airtight chamber 2.1, the air inlets of the branch exhaust pipes 2.10 are communicated with the main return air pipe 2.6, the air inlets of the main return air pipe 2.6 are communicated with the air outlets of the batching chamber dust removing device 3, one end of the main return air pipe 2.6, which is close to the batching chamber dust removing device 3, is connected with a bypass exhaust pipe 2.7, the tail air purifier 2.9 is arranged at the tail end of the bypass exhaust pipe 2.7, a bypass flow control valve A2.12 and a bypass fan 2.8 are sequentially arranged from the air inlets to the air outlets of the bypass exhaust pipe 2.7, a group of top air inlet pipes 2.11 are respectively arranged at four corners of the top plate, one-way valves are respectively arranged on the top air inlet pipes 2.11, the position of the batching chamber dust removing device 3 is provided with a bypass return air pipe 2.5, the bypass return air pipe 2.5 vertically penetrates through the top plate downwards and extends into the closed chamber 2.1, and a bypass flow control valve B2.13 is arranged on the bypass return air pipe 2.5;
in a general use state, a bypass flow control valve B2.13 is closed, a bypass flow control valve A2.12, a bypass fan 2.8 and a tail air purifier 2.9 are opened, the opening state of the bypass flow control valve A2.12 is 1/5-2/5 of rated flow, the tail air purifier 2.9 is in a low-load state, dust-containing air in a closed chamber 2.1 enters a batching chamber dust removing device 3 for treatment through an air suction unit, most of air treated by the batching chamber dust removing device 3 flows back into the closed chamber 2.1 through a main return air pipe 2.6 and a branch exhaust pipe 2.10, a small part of air is discharged through the bypass exhaust pipe 2.7, micro negative pressure is formed in the closed chamber 2.1, air is supplemented to the closed chamber 2.1 in a micro mode through a top air inlet pipe 2.11, the opening and closing interval of each air suction unit is 1/N hours, and when the air suction units with odd orders are opened, the air suction units with even orders are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
personnel enter a maintenance state of a day-open machine in the closed chamber 2.1, a bypass flow control valve B2.13 is closed, a bypass flow control valve A2.12, a bypass fan 2.8 and a tail air purifier 2.9 are opened, the opening state of the bypass flow control valve A2.12 is 4/5-1 of rated flow, the tail air purifier 2.9 is in a medium-high load state, part of dust-containing air in the closed chamber 2.1 enters a batching chamber dust removing device 3 for treatment through an air suction unit, all air treated by the batching chamber dust removing device 3 is discharged through a bypass exhaust pipe 2.7, part of dust-containing air in the closed chamber 2.1 is reversely flowed through a branch exhaust pipe 2.10 and a main return air pipe 2.6, and is discharged through the bypass exhaust pipe 2.7 and the tail air purifier 2.9, medium negative pressure is formed in the closed chamber 2.1, a large amount of air is supplemented to the closed chamber 2.1 through a top air inlet pipe 2.11, the dust concentration in the closed chamber 2.1 is reduced as soon as possible, and fresh air of personnel is provided for a comfortable environment, when the opening and closing units are opened and closed in sequence when the opening and closing units are opened and closed in sequence; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
when the pipeline dust accumulation cleaning is needed, the main air outlet pipe 2.4 is a main dust accumulation pipeline, all the air suction units and the bypass flow control valve B2.13 are opened, the flow in the main air outlet pipe 2.4 is greatly increased, dust in the main air outlet pipe 2.4 is purged, most of gas output by the main air outlet pipe 2.4 flows back into the closed chamber 2.1 through the bypass return pipe 2.5, and part of gas is discharged through the batching chamber dust removing device 3, the main return pipe 2.6, the tail air purifier 2.9 and the branch exhaust pipe 2.10.
Preferably, the air suction unit comprises a branch pipeline 11 communicated with the closed chamber 2.1 and the main air outlet pipe 2.4, the branch pipeline 11 is provided with a branch fan 9 and a branch opening and closing valve 10, and the starting state of the air suction unit is that the branch fan 9 and the branch opening and closing valve 10 are simultaneously opened.
Example IV
As shown in fig. 3-4, the difference with the first embodiment is that the batching chamber dust removing device 3 comprises a dust collecting pipe communicated with a main air outlet pipe 2.4, the other end of the dust collecting pipe is communicated with a cylinder 3.1, a dust collecting cloth bag mounting frame 3.4 is arranged in the cylinder 3.1, the inner cavity of the cylinder 3.1 is divided into an upper part and a lower part by the dust collecting cloth bag mounting frame 3.4, an air outlet pipe 3.2 communicated with the upper cavity is arranged on the outer wall of the upper part of the cylinder 3.1, an induced draft fan 3.3 is connected on the air outlet pipe 3.2, the tail end of the induced draft fan 3.3 is connected with a main return air pipe 2.6, a dust collecting pipe connected with a lower cavity is arranged on the outer wall of the bottom of the cylinder 3.1, a pulse air bag 3.8 is arranged on the outer wall of the cylinder 3.1, a plurality of groups of dust collecting cloth bag 3.5 are arranged on the mounting holes of the dust collecting cloth bag mounting frame 3.4, one end of the pulse pipe 3.10 is communicated with the pulse air bag 3.8, and the other end of the pulse pipe 3.10 extends into the cylinder 3.1 and is positioned above the pulse air bag 3.4; an electromagnetic pulse valve 3.9 is arranged between the pulse air bag 3.8 and the pulse tube 3.10, and a nozzle opposite to the dust removing cloth bag 3.5 is arranged on the pulse tube 3.10.
Preferably, the cylinder body 3.1 comprises an upper shell 3.11, an upper side flexible corrugated pipe 3.15, a middle shell 3.12, a lower side flexible corrugated pipe 3.16, a lower shell 3.13 and a conical ash bucket 3.14 which are sequentially connected from top to bottom, the lower shell 3.13 is installed on the ground through supporting legs, the dust collection cloth bag installation frame 3.4 is installed inside the middle shell 3.15, a plurality of double-rod hydraulic cylinders 3.18 are installed on the outer wall of the middle shell 3.12 along the circumferential direction of the outer wall, the double-rod hydraulic cylinders 3.18 comprise cylinder barrels and piston rods, the upper ends and the lower ends of the piston rods of the double-rod hydraulic cylinders are installed on the upper shell 3.11 and the lower shell 3.13 through corresponding connecting frames respectively, the positions of the upper shell 3.11 and the lower shell 3.13 are relatively fixed, and the cylinder barrels are fixed on the outer wall of the middle shell 3.12;
the upper flexible corrugated pipe 3.15 and the lower flexible corrugated pipe 3.16 are made of rubber materials;
the cylinder barrel of the double-rod hydraulic cylinder 3.18 is provided with an air inlet and outlet A communicated with the upper rod cavity and an air inlet and outlet B communicated with the lower rod cavity, the air inlet and outlet B is communicated with the outside, the air inlet and outlet A is communicated with an air source through the electromagnetic directional valve 12, when a cloth bag is cleaned, an external air source is inflated to the upper rod cavity through the air inlet and outlet A, the cylinder barrel is pushed to move upwards after the upper rod cavity is inflated, the cylinder barrel drives the middle shell 3.12 to move upwards, after the electromagnetic directional valve 3.19 is changed, the air inlet and outlet A is communicated with the outside, the middle shell 3.12 pulls the cylinder barrel to move downwards under the dead weight, the upper rod cavity is exhausted through the air inlet and outlet A, and the middle shell 3.12 moves upwards and downwards in a reciprocating manner through the change of the electromagnetic directional valve 3.19; the electromagnetic reversing valve 3.19 is a two-position three-way reversing valve.
Preferably, the top of the upper shell 3.11 is buckled with an upper cover 3.17; the air outlet pipe 3.2 and the pulse air bag 3.8 are both fixed on the outer wall of the upper shell 3.11, the pulse pipe 3.10 penetrates through the upper shell 3.11, the dust collecting pipe is fixed on the outer wall of the conical ash bucket 3.14, the star-shaped discharging 3.7 is installed at the bottom end of the conical ash bucket 3.14, the outlet of the star-shaped discharging 3.7 is connected with the feeding hopper 3.6 of the dust conveying device 6, and the star-shaped discharging 3.7 is conveyed into the dust collecting bin 4 of the adjacent batching room through the dust conveying device 6.
Preferably, the bin dust removing device and the mixer dust removing device are pulse type cloth bag dust removing devices. The dust-containing gas enters the filtering chamber through the dust collecting pipe and the conical ash hopper, coarser particles directly fall into the conical ash hopper, dust is filtered by the filter bag, dust is blocked on the surface of the filter bag, clean gas is discharged to the atmosphere through the bag opening to the air purifying chamber by the fan, when the dust on the surface of the filter bag is continuously increased, and the resistance of equipment is increased to a set value, a time relay (or a micro-differential pressure controller) outputs a signal, a program control instrument starts to work, a middle shell is controlled to reciprocate up and down through an electromagnetic reversing valve, the middle shell drives a dust removing bag mounting frame to vibrate, a pulse valve is started, compressed air is blown to the filter bag through a nozzle to enable the filter bag to be suddenly expanded, the dust attached to the surface of the filter bag is rapidly separated from the filter bag to fall into the conical ash hopper under the action of reverse airflow, the dust is discharged through the valve, and after the dust is blown and the dust is removed by the valve, the whole filter bag is recovered to normal work; the electromagnetic reversing valve controls the middle shell to reciprocate up and down.
Interpretation of related terms: the bag type dust collector is a dry dust filtering device. It is suitable for capturing fine, dry, non-fibrous dust. The filter bag is made of woven filter cloth or non-woven felt, dust-containing gas is filtered by utilizing the filtering effect of fiber fabric, and when the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls down due to the effect of gravity and falls into an ash bucket, and when the gas containing finer dust passes through the filter material, the dust is blocked, so that the gas is purified, and the dust-removing device is high-efficiency dust removing equipment.
However, the existing bag type dust collector is used for a period of time, a large amount of dust is adhered to the filter bag, so that dust removing efficiency is reduced, the existing dust removing mode for adsorbing the filter bag is mainly used for blowing high-pressure air into the filter bag at a high speed in a short time in a pulse blowing ash removing mode, reverse blowing air which is opposite to the filtering air is generated, pulse expansion shaking is generated in the filter bag, and dust is shaken off.
The invention mainly recycles the recovery resources of each glass enterprise in the glass production and manufacturing process, along with the continuous increase of the national environmental protection treatment force, the requirements on dust emission indexes are more and more strict, and the environmental protection investment is higher and more, if the project can be popularized and implemented in each enterprise, the reasonable recovery and utilization of mineral resources are realized while the dust pollution is treated, thereby achieving the benign development effects and the targets of the enterprises for improving the environment, saving the resources and reducing the cost.
Drivability to related industries: in the glass production and manufacturing process of glass enterprises, the treatment of batch dust is mainly focused on the aspect of environment-friendly standard emission, the treated dust waste is generally treated as garbage, so that resource waste and secondary pollution are caused, and the dust waste is directly added into the mixture by individual enterprises, so that fluctuation and change of glass components are caused, and the stability of various physicochemical property indexes of the glass is influenced. At present, the country is in the key five years for realizing the industrial green low-carbon transformation, advocates all enterprises to comprehensively improve the resource utilization efficiency, actively carries out clean production transformation, improves the green low-carbon technology, green products and service supply capacity, constructs a modern industry pattern of mutual promotion and deep fusion of the industrial green low-carbon transformation and the industrial energized green development, and realizes the peak carbon-carbon neutralization target task as expected.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A dust removing method of an automatic batching system for glass production is characterized by comprising the following steps: the automatic batching system for glass production comprises a plurality of raw material supply devices and a batching room, wherein the bottom of the raw material supply device penetrates through a top plate of the batching room and extends into the batching room, a batching conveying belt is arranged in the batching room along the length direction of the batching room, the batching conveying belt is positioned below a discharge hole of the raw material supply device, the batching conveying belt receives the discharge of the raw material supply devices, a mixer is arranged outside the batching room, the discharge end of the batching conveying belt is connected to a feed inlet of the mixer, the mixer receives the feed of the batching conveying belt, the raw material supply device comprises a raw material bin, a weighing bin for weighing and feeding is connected to the lower part of the raw material bin, the batching conveying belt receives the discharge of the weighing bin, a batching room dust removing device for recycling dust in the batching room is further arranged on the batching room, a bin dust removing device for recycling dust in the raw material bin is arranged on the raw material bin, and the dust removing device automatically recycles the dust generated in the raw material feeding process into the corresponding raw material bin, so that the dust is reduced and the raw material is reused; the air inlet of the main return air pipe is communicated with an air outlet of the proportioning chamber dust removal device, an air outlet of the main return air pipe is communicated with a main air outlet pipe, an air outlet of the main return air pipe is communicated with an air inlet of the proportioning chamber dust removal device, the tail of the air inlet pipe is provided with a bypass air inlet pipe, a bypass air flow rate control bypass air pipe is arranged at the top of the air inlet pipe, and a bypass air flow rate control bypass air pipe is arranged at the top of the air inlet pipe;
in a general use state, a bypass flow control valve B is closed, a bypass flow control valve A, a bypass fan and a tail air purifier are opened, the opening state of the bypass flow control valve A is 1/5-2/5 of the rated flow, the tail air purifier is in a low-load state, dust-containing air in a closed chamber enters a batching chamber dust removing device for treatment through an air suction unit, most of the air treated by the batching chamber dust removing device flows back into the closed chamber through a main return air pipe and a branch exhaust pipe, a small part of the air is discharged through the bypass exhaust pipe, micro negative pressure is formed in the closed chamber, micro air is supplemented to the closed chamber through a top air inlet pipe, the opening and closing interval of each air suction unit is 1/N hour, and when the air suction units with odd orders are opened, the air suction units with even orders are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
the method comprises the steps that personnel enter a maintenance state of a day-open machine in a closed chamber, a bypass flow control valve B is closed, a bypass flow control valve A, a bypass fan and a tail air purifier are opened, the opening state of the bypass flow control valve A is 4/5-1 of rated flow, the tail air purifier is in a medium-high load state, part of dust-containing air in the closed chamber enters a batching chamber dust removal device through an air suction unit to be treated, all air treated by the batching chamber dust removal device is discharged through a bypass exhaust pipe, part of dust-containing air in the closed chamber is reversely flowed through a branch exhaust pipe and a main return air pipe and is discharged after being treated through the bypass exhaust pipe and the tail air purifier, a medium negative pressure is formed in the closed chamber, a large amount of air is supplemented to the closed chamber through a top air inlet pipe, dust concentration in the closed chamber is reduced as soon as possible, fresh air is supplemented for daily maintenance personnel, a comfortable environment is provided, the opening and closing interval of each air suction unit is 1/N hours, and when the suction units with odd number are opened, the suction units with even sequence are closed; when the air suction units with the sequence of even numbers are opened, the air suction units with the sequence of odd numbers are closed;
when the pipeline dust accumulation cleaning state is needed, the main air outlet pipe is a main dust accumulation pipeline, all the air suction units and the bypass flow control valve B are opened, the flow in the main air outlet pipe is greatly increased, dust in the main air outlet pipe is purged, most of gas output by the main air outlet pipe flows back into the closed chamber through the bypass return pipe, and part of gas is discharged through the batching chamber dust removing device, the main return pipe, the tail air purifier and the branch exhaust pipe.
2. The method for dedusting a glass production automatic batching system according to claim 1, wherein: still include batching room dust collection storehouse, the roof that batching room was run through to the bottom of raw materials feeding device extends to the batching room inside, the batching conveyer belt is in the below of batching room dust collection storehouse discharge gate, batching room dust collector's discharge gate passes through dust conveyor and batching room dust collection storehouse's feed inlet intercommunication, dust conveyor is with batching room dust collector in the material transfer to batching room dust collection storehouse in, batching room dust collector receives batching room dust collection storehouse ejection of compact, batching room dust collector is with batching room in-process of weighing the dust collection that produces, carry again to batching room dust collection storehouse through dust conveyor and store, use as a raw materials after weighing in proportion, reduce batching raw materials quantity, practice thrift the raw materials cost.
3. The method for dedusting a glass production automatic batching system according to claim 2, wherein: install the blendor dust collector who is used for retrieving the inside dust of blendor on the blendor, will be at the automatic income of the dust that produces in the blowing in-process behind raw materials compounding and batch mixture and correspond the feed bin, reuse the raw materials when reducing the raise dust.
4. The method for dedusting a glass production automatic batching system according to claim 3, wherein: the raw material supply devices are arranged in parallel and are respectively quartz sand bins; a soda ash bin; an aluminum hydroxide bin; borax bin; a limestone storage bin; a potassium carbonate bin; a barium carbonate bin; the discharge gate of titanium white powder feed bin, batching room dust collection storehouse is in the upstream position of batching conveyer belt.
5. The method for dedusting a glass production automatic batching system according to claim 1, wherein: the feed bin dust collector and blendor dust collector are pulse type sack dust collector.
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