CN111720155A - Recyclable coal mine ventilation equipment - Google Patents
Recyclable coal mine ventilation equipment Download PDFInfo
- Publication number
- CN111720155A CN111720155A CN202010647241.0A CN202010647241A CN111720155A CN 111720155 A CN111720155 A CN 111720155A CN 202010647241 A CN202010647241 A CN 202010647241A CN 111720155 A CN111720155 A CN 111720155A
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- China
- Prior art keywords
- space
- belt wheel
- shaft
- end wall
- turnover
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
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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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
Abstract
The invention discloses a recyclable coal mine ventilation device, which comprises a mine wall body, wherein a turnover space is arranged in the mine wall body, a turnover block main body is rotatably arranged in the turnover space, a transmission space is communicated and arranged in the right end wall of the turnover space, a power motor is fixedly arranged in the right end wall of the transmission space, turbid air in a mine is purified through an activated carbon adsorption block, the working environment of workers in the mine is guaranteed, the activated carbon adsorption block on one side is automatically replaced when saturated, the device is further ensured to continuously purify the turbid air in the mine, solid smoke particles on the saturated activated carbon adsorption block are fallen off and collected through high-temperature air, the recycling of the activated carbon adsorption block is further completed, the later maintenance and use cost is reduced, and the whole process of the device operation does not need manual operation and control, the intelligent monitoring system is more intelligent, reduces labor cost and better accords with the market popularization concept.
Description
Technical Field
The invention relates to the technical field of coal mine air purification, in particular to a coal mine ventilation device capable of being recycled.
Background
Along with the continuous improvement of the attention degree of various countries to energy development, how to reasonably develop the coal mine and ensure the working environment of the mine becomes a development proposition of various national scholars, wherein the importance of ensuring the air quality in the mine is important, most of the existing mines input fresh air into the mine to increase the oxygen concentration so as to dilute solid smoke particles in the mine, the total amount of the solid smoke particles in the mine is not obviously reduced in the way, the working environment of workers is greatly challenged, the existing mines work in the environment for a long time, the health of miners is greatly threatened, meanwhile, most of the existing smoke particle adsorption equipment are in one-time adsorption, the adsorption equipment needs to be manually replaced after being saturated in adsorption, the intelligent reduction is realized, the manpower waste is serious, meanwhile, most of the replaced adsorption materials cannot be reused, and the later maintenance cost is higher, the resource waste is serious, and the market promotion condition is not met.
Disclosure of Invention
The invention aims to provide a recyclable coal mine ventilation device which is used for overcoming the defects in the prior art.
The recyclable coal mine ventilation equipment comprises a mine wall body, wherein an overturning space is arranged in the mine wall body, an overturning block main body is rotatably arranged in the overturning space, a transmission space is communicated and arranged in the right end wall of the overturning space, a power motor is fixedly arranged in the right end wall of the transmission space, the power motor is used for providing power for overturning the overturning block main body, a locking space is communicated and arranged in the lower end wall of the overturning space, a locking cam rotatably arranged in the locking space is used for locking the position of the overturning block main body, the locking cam is in power connection with the power motor through a transmission belt group, vertically symmetrical filtering spaces are communicated and arranged between the left end surface and the right end surface of the overturning block main body, and an air inlet communicated with a mine is communicated and arranged in the left end wall of the overturning space, the inlet port is in same horizontal plane with the filtration space of upside, just be provided with air exhaust fan assembly in the inlet port, the intercommunication is provided with the venthole in the upset space left end wall, just the venthole is in same horizontal plane with the filtration space of downside, upset space left side is provided with the wall space of extending from top to bottom and rotationally is provided with at a distance from the fault block, through it is right to separate the fault block the inlet port and the venthole switching is controlled, be provided with the heating space that is linked together with the external world in the upset space right end wall and be provided with air exhaust fan assembly, simultaneously through setting up heating resistor silk in the heating space cooperatees and drops and pass through the smoke and dust granule that adsorbs on the active carbon the venthole is discharged.
According to the technical scheme, the partition space penetrates through the air inlet hole and the air outlet hole, a partition motor is fixedly arranged in the left end wall of the partition space, the right end of the partition motor is in power connection with a partition shaft extending rightwards, the right end of the partition shaft rotatably extends into the turnover space, a partition block fixedly arranged on the outer surface of the partition shaft is arranged in the partition space, and communicating ports which are symmetrical up and down are formed between the left end face and the right end face of the partition block in a communicating mode.
Further technical scheme, motor power left end power is connected with the power shaft, rotationally be provided with the trip shaft between the end wall about the upset space, just cut off the axle right-hand member and rotationally stretch into in the upset space and with trip shaft left end wall normal running fit connects, simultaneously the power shaft left end with trip shaft right-hand member face fixed connection, rotationally be provided with fixed mounting in the upset space the upset piece of trip shaft surface has the active carbon adsorption piece in two upper and lower filter spaces equal fixed mounting, be provided with the ventilation hole that is linked together with the external world in the upset space right end wall.
According to the technical scheme, the heating space is fixedly provided with an installation rod through an installation support, the heating space is internally provided with a heating resistance wire fixedly wound on the outer surface of the installation rod, the left end wall of the air outlet hole is internally communicated with a storage space, and the storage space is communicated with the outside and is provided with a sealing door.
According to the technical scheme, the fan assembly comprises a motor mounting block fixed to the air inlet and the heating space through a mounting support, the motor mounting block is back to the end face of the overturning space, a rotating motor is fixedly arranged in the end face of the overturning space, one side of the overturning space is kept away from by the rotating motor and is connected with a rotating shaft in a power mode, and one side of the overturning space is fixedly provided with rotating fan blades.
The technical scheme is that a lower belt wheel space is communicated and arranged in the right end wall of the locking space, a lower belt wheel shaft is rotatably arranged between the locking space and the lower belt wheel space, the left end of the lower belt wheel shaft is rotatably matched and connected with the left end wall of the locking space, the right end of the lower belt wheel shaft is rotatably matched and connected with the right end wall of the lower belt wheel space, a locking cam fixedly arranged on the outer surface of the lower belt wheel shaft is arranged in the locking space, locking grooves matched with the locking cam are respectively communicated and arranged in the upper end surface and the lower end surface of the turnover block main body, a lower transmission wheel fixedly arranged on the outer surface of the lower belt wheel shaft is arranged in the lower belt wheel space, a central belt wheel space is arranged at the rear side of the heating space, a central belt wheel shaft is rotatably arranged between the left end wall and the right end wall of the central belt wheel space, and a central, a lower transmission belt is fixedly wound between the lower transmission wheel and the central belt wheel, a driven belt wheel fixedly mounted on the outer surface of the central belt wheel shaft is further arranged in the central belt wheel space, a transmission belt wheel fixedly mounted on the outer surface of the power shaft is arranged in the transmission space, and an upper transmission belt is fixedly wound between the transmission belt wheel and the driven belt wheel.
The invention has the beneficial effects that: the activated carbon adsorption block is simple in structure and convenient to operate, turbid air in a mine is purified through the activated carbon adsorption block, the working environment of workers in the mine is guaranteed, the activated carbon adsorption block on one side is automatically replaced when saturated, the device is further guaranteed to continuously purify the turbid air in the mine, solid smoke dust particles on the saturated activated carbon adsorption block are fallen off through high-temperature air and collected, the cyclic use of the activated carbon adsorption block is further completed, the later maintenance and use cost is reduced, manual operation and control are not needed in the whole process of the device operation process, the device is more intelligent, the labor cost is reduced, and the device is more in line with the market popularization concept.
Drawings
FIG. 1 is a schematic view of the overall internal structure of a recyclable coal mine ventilation apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional side view of a partition plate according to the present invention;
FIG. 3 is a schematic cross-sectional view taken at A of FIG. 1 in accordance with the present invention;
FIG. 4 is a side cross-sectional view of the pulley set of the present invention;
figure 5 is a schematic cross-sectional view in elevation of the center pulley axle of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a coal mine ventilation device capable of being recycled according to an embodiment of the invention comprises a mine wall 100, wherein an overturning space 112 is arranged in the mine wall 100, an overturning block main body 134 is rotatably arranged in the overturning space 112, a transmission space 131 is communicated with and arranged in the right end wall of the overturning space 112, a power motor 130 is fixedly arranged in the right end wall of the transmission space 131, the overturning block main body 134 is overturned by the power motor 130 to provide power, a locking space 115 is communicated with and arranged in the lower end wall of the overturning space 112, the position of the overturning block main body 134 is locked by a locking cam 114 rotatably arranged in the locking space 115, the locking cam 114 is in power connection with the power motor 130 through a transmission belt set, a filtering space 135 which is symmetrical up and down is communicated between the left end face and the right end face of the overturning block main body 134, an air inlet hole 101 communicated with a mine is communicated in the left end wall of the turnover space 112, the air inlet hole 101 and the filtering space 135 at the upper side are positioned on the same horizontal plane, and an air extracting fan assembly is arranged in the air inlet hole 101, an air outlet hole 110 is communicated and arranged in the left end wall of the turnover space 112, and the air outlet 110 is at the same level with the lower filtering space, the left side of the turning space 112 is provided with a partition space 108 extending up and down and a partition block 105 rotatably, the opening and closing of the air inlet hole 101 and the air outlet hole 110 are controlled by the block 105, a heating space 123 communicated with the outside and an exhaust fan assembly are provided in the right end wall of the turning space 112, meanwhile, the smoke particles adsorbed on the activated carbon are dropped and discharged through the air outlet 110 by matching the heating resistance wire 122 arranged in the heating space 123.
Beneficially or exemplarily, the partition space 108 penetrates through the air inlet hole 101 and the air outlet hole 110, a partition motor 103 is fixedly arranged in a left end wall of the partition space 108, a partition shaft 104 extending rightward is in power connection with a right end of the partition motor 103, a right end of the partition shaft 104 rotatably extends into the turnover space 112, a partition block 105 fixedly mounted on an outer surface of the partition shaft 104 is arranged in the partition space 108, communicating ports 106 which are symmetrical up and down are arranged between left and right end faces of the partition block 105 in a communicating manner, the partition motor 103 is started to drive the partition shaft 104 to rotate, the partition shaft 104 drives the partition block 105 to rotate, the communicating ports 106 are further driven to change positions, and the air inlet hole 101 and the air outlet hole 110 are further controlled to be opened and closed through the communicating ports 106.
Beneficially or exemplarily, a power shaft 132 is power connected to the left end of the power motor 130, a turning shaft 111 is rotatably disposed between the left and right end walls of the turning space 112, the right end of the partition shaft 104 rotatably extends into the turning space 112 and is in rotating fit connection with the left end wall of the turning shaft 111, the left end of the power shaft 132 is fixedly connected with the right end face of the turning shaft 111, a turning block 134 fixedly mounted on the outer surface of the turning shaft 111 is rotatably disposed in the turning space 112, activated carbon adsorption blocks 133 are fixedly mounted in the upper and lower filtering spaces 135, a vent hole 128 communicated with the outside is disposed in the right end wall of the turning space 112, turbid air in a mine is pumped into the air inlet hole 135 through the air suction fan assembly disposed in the air inlet hole 101, and large particles in the turbid air are adsorbed through the activated carbon adsorption blocks 133, and then discharged to the outside through the vent hole 128.
Advantageously or exemplarily, a mounting rod 124 is fixedly arranged in said heating space 123 by means of a mounting bracket 125, a heating resistance wire 122 fixedly wound on the outer surface of the mounting rod 124 is arranged in the heating space 123, the left end wall of the air outlet 110 is provided with a receiving space 109 in a communicating manner, and the receiving space 109 is communicated with the outside and is provided with a sealing door 107, the external air is drawn into the heating space 123 by an air drawing fan assembly provided in the heating space 123, at the same time, the heating resistance wire 122 is started, at this time, the hot air is continuously blown into the filtering space 135 at the lower side, at this time, the hot gas causes the solid soot particles adsorbed on the activated carbon adsorption block 133 to be detached, and falls into the accommodating space 109 through the air outlet 110, and after the completion, the staff opens the sealing door 107 to take out the solid smoke particles.
Beneficially or exemplarily, the fan assembly includes a motor mounting block 142 fixed in the air inlet 101 and the heating space 123 through a mounting bracket, a rotating motor 141 is fixedly disposed in an end surface of the motor mounting block 142 facing away from the turnover space 112, a rotating shaft 140 is dynamically connected to a side of the rotating motor 141 away from the turnover space 112, a rotating fan blade 137 is fixedly disposed on a side of the rotating shaft 140 away from the turnover space 112, and the rotating shaft 140 is driven by the rotating motor 141 to rotate, so that the rotating fan blade 137 is driven by the rotating shaft 140 to rotate, thereby playing a role of air suction.
Beneficially or exemplarily, a lower pulley space 117 is communicated with the right end wall of the locked space 115, a lower pulley shaft 116 is rotatably arranged between the locked space 115 and the lower pulley space 117, the left end of the lower pulley shaft 116 is connected with the left end wall of the locked space 115 in a rotating fit manner, the right end of the lower pulley shaft 116 is connected with the right end wall of the lower pulley space 117 in a rotating fit manner, a locking cam 114 fixedly mounted on the outer surface of the lower pulley shaft 116 is arranged in the locked space 115, locking grooves 113 corresponding to the locking cams 114 are communicated with the upper and lower end surfaces of the turnover block body 134, a lower transmission wheel 120 fixedly mounted on the outer surface of the lower pulley shaft 116 is arranged in the lower pulley space 117, a central pulley space 146 is arranged on the rear side of the heating space 123, and a central pulley shaft 144 is rotatably arranged between the left and right end walls of the central pulley space 146, a central belt wheel 143 fixedly arranged on the outer surface of the central belt wheel shaft 144 is arranged in the central belt wheel space 146, a lower transmission belt 121 is fixedly wound between the lower transmission wheel 120 and the central belt wheel 143, a driven belt wheel 145 fixedly arranged on the outer surface of the central belt wheel shaft 144 is also arranged in the central belt wheel space 146, a transmission belt wheel 127 fixedly arranged on the outer surface of the power shaft 132 is arranged in the transmission space 131, an upper transmission belt 126 is fixedly wound between the transmission belt wheel 127 and the driven belt wheel 145, the power shaft 132 is driven to rotate by the power motor 130, the power shaft 132 drives the central belt wheel shaft 144 to rotate through the transmission relationship between the transmission belt wheel 127 and the driven belt wheel 145, and the central belt wheel shaft 144 drives the lower belt wheel shaft 116 to rotate through the transmission relationship between the central belt wheel 143 and the lower transmission wheel 120, the lower pulley shaft 116 drives the locking cam 114 to rotate, so that the position of the turning block body 134 is locked through the locking relationship between the locking cam 114 and the locking groove 113.
When solid smoke particles are filtered, the partition motor 103 is started to drive the partition shaft 104 to rotate, the partition shaft 104 drives the partition block 105 to rotate, the upper communication hole 106 and the lower communication hole 106 are communicated with the air inlet hole 101 and the air outlet hole 110 respectively, the rotating motor 141 on the upper side is started simultaneously, the air extracting fan is driven to operate, turbid air in a mine is sucked into the filtering space 135 through the air inlet hole 101 and the communication holes 106, the fixed smoke particles are adsorbed through the activated carbon adsorption block 133, and meanwhile purified air is discharged to the outside through the air vent 128.
When the activated carbon adsorption block 133 on the upper side is saturated, the partition motor 103 is started to drive the partition block 105 to rotate ninety degrees, at the moment, the air inlet hole 101 and the air outlet hole 110 are partitioned by the partition block 105, the power motor 130 is simultaneously started, the lower pulley shaft 116 is driven to rotate through the transmission relationship among the pulley sets, the lower pulley shaft 116 drives the locking cam 114 to rotate, the locking cam 114 is further driven to be separated from the locking groove 113, the power motor 130 drives the turnover shaft 111 to rotate through the power shaft 132, the turnover shaft 111 drives the turnover block main body 134 to turn over one hundred eighty degrees, at the moment, the filtering space 135 on the lower side is transferred to the upper side, the filtering space on the upper side which is adsorbed and saturated is transferred to the lower side, at the moment, the partition motor 103 is started to drive the partition block 105 to turn over ninety degrees, and the communication port 106 is communicated with the air inlet hole 101 and the air outlet hole 110 again, the turbid air of the mine is filtered again, the rotating motor 141 and the heating resistance wires 122 on the lower side are started at the same time, the outside air is sucked into the heating space 123 through the heating space 123 and is heated, then the solid smoke particles adsorbed on the activated carbon adsorption block 133 on the lower side fall off through high-temperature air, the fallen solid smoke particles fall into the accommodating space 109 through the air outlet 110, and when the storage amount of the solid smoke particles in the accommodating space 109 is saturated, a worker opens the sealing door 107 to take out the solid smoke particles in the accommodating space 109.
The invention has the beneficial effects that: the activated carbon adsorption block is simple in structure and convenient to operate, turbid air in a mine is purified through the activated carbon adsorption block, the working environment of workers in the mine is guaranteed, the activated carbon adsorption block on one side is automatically replaced when saturated, the device is further guaranteed to continuously purify the turbid air in the mine, solid smoke dust particles on the saturated activated carbon adsorption block are fallen off through high-temperature air and collected, the cyclic use of the activated carbon adsorption block is further completed, the later maintenance and use cost is reduced, manual operation and control are not needed in the whole process of the device operation process, the device is more intelligent, the labor cost is reduced, and the device is more in line with the market popularization concept.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (6)
1. The utility model provides a circulated use colliery ventilation equipment, includes the mine wall body, its characterized in that: the mine wall is provided with a turnover space, a turnover block main body is rotatably arranged in the turnover space, a transmission space is communicated and arranged in the right end wall of the turnover space, a power motor is fixedly arranged in the right end wall of the transmission space, the turnover block main body is powered by the power motor, a locking space is communicated and arranged in the lower end wall of the turnover space, the position of the turnover block main body is locked by a locking cam rotatably arranged in the locking space, the locking cam is in power connection with the power motor through a transmission belt group, vertically symmetrical filtering spaces are communicated and arranged between the left end surface and the right end surface of the turnover block main body, an air inlet communicated with a mine is communicated and arranged in the left end wall of the turnover space, the air inlet and the filtering space on the upper side are positioned on the same horizontal plane, and an air exhaust fan assembly is arranged in the air, the utility model discloses a filter, including upset space, inlet port and outlet port, the intercommunication is provided with the outlet port in the upset space left end wall, just the outlet port is in same horizontal plane with the filter space of downside, the upset space left side is provided with the wall space that extends from top to bottom and rotationally is provided with at a distance from the fault block, through it is right to separate the fault block the inlet port and the outlet port switching is controlled, be provided with the heating space that is linked together with the external world in the upset space right end wall and be provided with air exhaust fan assembly, be in through setting up simultaneously heating resistor silk in the heating space cooperatees and drops and pass through the smoke and dust.
2. A recyclable coal mine ventilation apparatus as claimed in claim 1 wherein: the partition space penetrates through the air inlet hole and the air outlet hole, a partition motor is fixedly arranged in the left end wall of the partition space, the right end of the partition motor is in power connection with a partition shaft extending rightwards, the right end of the partition shaft rotatably extends into the turnover space, a partition block fixedly arranged on the outer surface of the partition shaft is arranged in the partition space, and communicating ports which are symmetrical up and down are formed between the left end face and the right end face of the partition block in a communicating mode.
3. A recyclable coal mine ventilation apparatus as claimed in claim 1 wherein: power motor left end power is connected with the power shaft, rotationally be provided with the trip shaft between the end wall about the upset space, just cut off the axle right-hand member and rotationally stretch into in the upset space and with trip shaft left end wall normal running fit is connected, simultaneously the power shaft left end with trip shaft right-hand member face fixed connection, rotationally be provided with fixed mounting in the upset space the upset piece of trip shaft surface, equal fixed mounting has the active carbon adsorption piece in two upper and lower filter spaces, be provided with the ventilation hole that is linked together with the external world in the upset space right end wall.
4. A recyclable coal mine ventilation apparatus as claimed in claim 1 wherein: the heating device is characterized in that a mounting rod is fixedly arranged in the heating space through a mounting support, a heating resistance wire fixedly wound on the outer surface of the mounting rod is arranged in the heating space, a containing space is communicated with the left end wall of the air outlet hole, and the containing space is communicated with the outside and is provided with a sealing door.
5. A recyclable coal mine ventilation apparatus as claimed in claim 1 wherein: the fan assembly comprises a motor mounting block fixed to the air inlet and the heating space through a mounting support, the motor mounting block is back to the end face of the overturning space, a rotating motor is fixedly arranged in the end face of the overturning space, one side of the rotating motor, which is far away from the overturning space, is in power connection with a rotating shaft, and one side of the rotating shaft, which is far away from the overturning space, is fixedly provided with rotating fan blades.
6. A recyclable coal mine ventilation apparatus as claimed in claim 1 wherein: a lower belt wheel space is communicated with and arranged in the right end wall of the locking space, a lower belt wheel shaft is rotatably arranged between the locking space and the lower belt wheel space, the left end of the lower belt wheel shaft is connected with the left end wall of the locking space in a rotating fit manner, the right end of the lower belt wheel shaft is connected with the right end wall of the lower belt wheel space in a rotating fit manner, a locking cam fixedly arranged on the outer surface of the lower belt wheel shaft is arranged in the locking space, locking grooves matched with the locking cam are respectively communicated with and arranged in the upper end surface and the lower end surface of the turnover block main body, a lower transmission wheel fixedly arranged on the outer surface of the lower belt wheel shaft is arranged in the lower belt wheel space, a central belt wheel space is arranged at the rear side of the heating space, a central belt wheel shaft is rotatably arranged between the left end wall and the right end wall of, a lower transmission belt is fixedly wound between the lower transmission wheel and the central belt wheel, a driven belt wheel fixedly mounted on the outer surface of the central belt wheel shaft is further arranged in the central belt wheel space, a transmission belt wheel fixedly mounted on the outer surface of the power shaft is arranged in the transmission space, and an upper transmission belt is fixedly wound between the transmission belt wheel and the driven belt wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647241.0A CN111720155A (en) | 2020-07-07 | 2020-07-07 | Recyclable coal mine ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647241.0A CN111720155A (en) | 2020-07-07 | 2020-07-07 | Recyclable coal mine ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111720155A true CN111720155A (en) | 2020-09-29 |
Family
ID=72573867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010647241.0A Withdrawn CN111720155A (en) | 2020-07-07 | 2020-07-07 | Recyclable coal mine ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111720155A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587533A (en) * | 2021-07-29 | 2021-11-02 | 澳柯玛股份有限公司 | Door opening and closing device for refrigerator and refrigerator |
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| CN110314787A (en) * | 2019-07-08 | 2019-10-11 | 余田花 | A kind of cylindrical workpiece weld seam sealing system |
| CN110376191A (en) * | 2019-08-24 | 2019-10-25 | 余田花 | Silica gel is deliquesced from sentencing device in a kind of main transformer respirator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2825291A1 (en) * | 2001-06-01 | 2002-12-06 | Air Liquide | Gas adsorption process for e.g. treating air to remove water and/or carbon dioxide before cryogenic distillation has adsorption units cycling between adsorption and regeneration phases at staggered intervals so only one unit is treating gas |
| CN205586704U (en) * | 2016-04-20 | 2016-09-21 | 江西沃邦农业科技有限公司 | Exhaust gas circulation processing apparatus |
| CN108980932A (en) * | 2018-07-03 | 2018-12-11 | 芜湖琅格信息技术有限公司 | A kind of family kitchen ventilation device that internal-circulation type prevents oil smoke excessive |
| CN208612077U (en) * | 2018-08-09 | 2019-03-19 | 芜湖磐搏自动化科技有限公司 | A kind of industrial waste gas circulation filter |
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| CN109595577A (en) * | 2018-11-20 | 2019-04-09 | 黄佩媛 | The environmentally friendly smoke exhaust barrel device of inner wall decontamination is used for waste gas residual heat heat cycles steam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113587533A (en) * | 2021-07-29 | 2021-11-02 | 澳柯玛股份有限公司 | Door opening and closing device for refrigerator and refrigerator |
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Application publication date: 20200929 |