CN213627654U - A ventilation dust device for tunnel entrance to a cave - Google Patents
A ventilation dust device for tunnel entrance to a cave Download PDFInfo
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- CN213627654U CN213627654U CN202022568228.4U CN202022568228U CN213627654U CN 213627654 U CN213627654 U CN 213627654U CN 202022568228 U CN202022568228 U CN 202022568228U CN 213627654 U CN213627654 U CN 213627654U
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- dust
- water inlet
- inlet pipe
- air outlet
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 138
- 238000009423 ventilation Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 115
- 239000007921 spray Substances 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a ventilation dust device for tunnel entrance to a cave relates to tunnel dust removal technical field. The utility model comprises a dust-removing cavity; the inner wall of the dust removal cavity is fixedly connected with a first-stage screen, a second-stage screen and a third-stage screen respectively; one end of the first water inlet pipe, one end of the first air outlet pipe, one end of the second water inlet pipe and one end of the second air outlet pipe penetrate through the top of the first dust removal water tank; the first clapboard is positioned between the first water inlet pipe and the first air outlet pipe; the second baffle is positioned between the second water inlet pipe and the second air outlet pipe. The utility model discloses a design of one-level screen cloth, second grade screen cloth, tertiary screen cloth, first dust removal water tank, first oral siphon, first outlet duct, second oral siphon and second outlet duct, the dual function of usable dust removal cavity and first dust removal water tank has greatly improved the utility model discloses a dust fall effect and dust collection efficiency have avoided the dust pollution that tunnel construction caused the environment.
Description
Technical Field
The utility model belongs to the technical field of the tunnel dust removal, especially, relate to a ventilation dust device for tunnel entrance to a cave.
Background
The tunnel excavation is usually carried out by adopting a drilling blasting method, which inevitably generates a large amount of dust. The high concentration of dust not only affects the health of the workers, but also adversely affects the subsequent construction operations. At present, the tunnel ventilation mostly adopts a press-in type ventilation mode, and dust generated on the tunnel face and the tunnel body is brought out of the tunnel. However, the dust near the opening of the tunnel is diffused inevitably to pollute the surrounding environment, and particularly when the tunnel is near a residential area, the dust generated by construction easily causes contradiction between residents and construction units, and influences the construction progress.
The dust-containing air in the dust removing cavity of the conventional tunnel portal ventilation and dust removal device has low dust removing efficiency and is inconvenient for moving operation; the existing tunnel portal ventilation and dust removal device still has the problem that part of dust is diffused to the periphery in the using process, and the existing tunnel portal ventilation and dust removal device is lack of a corresponding processing mechanism; the ventilation and dust fall of the conventional tunnel portal ventilation and dust removal device need to be controlled by different motors, so that a large amount of electric energy is consumed, and the environment-friendly dust removal concept is not met. Therefore, we have designed a ventilation and dust-settling device for tunnel portal to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation dust device for tunnel entrance to a cave, through the suction fan, the one-level screen cloth, the second grade screen cloth, tertiary screen cloth, first oral siphon, first outlet duct, the second oral siphon, the second outlet duct, the design of spraying water tank and atomising head, the air dust collection efficiency who contains the dust of the dust removal intracavity of having solved current tunnel entrance to a cave ventilation dust collector is lower, and be not convenient for remove the operation, still there is partial dust to diffusion all around in the use, and current tunnel entrance to a cave ventilation dust collector lacks corresponding processing mechanism, the realization of its ventilation and dust fall needs different electric machine control, consume a large amount of electric energy, be not conform to the problem of environmental protection dust removal theory.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a ventilation and dust fall device for tunnel portal, which comprises a dust removal cavity; the inner wall of the dust removal cavity is fixedly connected with a first-stage screen, a second-stage screen and a third-stage screen respectively; the primary screen is positioned at an air inlet of the dust removal cavity; the secondary screen is positioned at the rear end of the primary screen; the third-stage screen is positioned at the rear end of the second-stage screen; the bottom of the dust removal cavity is symmetrically and fixedly connected with supporting rods; one end of the supporting rod is fixedly connected with a first dust removal water tank; a first water inlet pipe, a first air outlet pipe, a second water inlet pipe and a second air outlet pipe are respectively arranged at the bottom in the dust removal cavity; one end of the first water inlet pipe, one end of the first air outlet pipe, one end of the second water inlet pipe and one end of the second air outlet pipe penetrate through the top of the first dust removal water tank; the bottom in the dust removal cavity is fixedly connected with a first partition plate and a second partition plate respectively; the first clapboard is positioned between the first water inlet pipe and the first air outlet pipe; the second clapboard is positioned between the second water inlet pipe and the second air outlet pipe.
Furthermore, a suction fan is arranged on one side surface of the dust removal cavity; a guide plate is fixedly connected to one side surface of the dust removal cavity; the suction fan is positioned in the guide plate.
Further, the bottom of the first dust removal water tank is fixedly connected with a bottom plate; and a plurality of universal wheels are fixedly arranged on the lower surface of the bottom plate.
Further, the first check valve is fixedly arranged on the peripheral side surface of the first water inlet pipe and the peripheral side surface of the second water inlet pipe;
the peripheral side surface of the first air outlet pipe and the peripheral side surface of the second air outlet pipe are both fixedly provided with a second check valve;
a third partition plate is fixedly connected inside the first dust removal water tank;
the first water inlet pipe and the first air outlet pipe are positioned on one side of the third partition plate, and the second water inlet pipe and the second air outlet pipe are positioned on the other side of the third partition plate.
Furthermore, a second dust removal water tank is fixedly connected to the top of the dust removal cavity; the top of the second dust removal water tank is respectively provided with a third water inlet pipe and an air outlet pipe;
one end of the air outflow pipe penetrates through the top of the dust removal cavity.
Furthermore, the top of the dust removal cavity is fixedly connected with an upright post; one end of the upright post is fixedly connected with a spraying water tank; a plurality of spray heads are arranged on the peripheral side surface of the spray water tank;
one end of the third water inlet pipe penetrates through the peripheral side face of the spray water tank.
The utility model discloses following beneficial effect has:
1. the utility model discloses a design of one-level screen cloth, second grade screen cloth, tertiary screen cloth, first dust removal water tank, first oral siphon, first outlet duct, second oral siphon and second outlet duct, the dual function of usable dust removal cavity and first dust removal water tank has greatly improved the utility model discloses a dust fall effect and dust collection efficiency have avoided the dust pollution that tunnel construction caused the environment, simple structure, convenient operation, and the practicality is strong.
2. The utility model discloses a design of suction fan, universal wheel, second dust removal water tank, third oral siphon, air outflow pipe, spraying water tank and atomising head, further adsorb to the dust in the air of tunnel entrance to a cave and subside and get rid of, improve greatly the utility model discloses a dust fall effect only through the suction fan alright realize the dual effect of the dust removal and the ventilation of tunnel entrance to a cave simultaneously, is convenient for remove, has practiced thrift a large amount of electric energy, accords with the dust removal theory of environmental protection.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a ventilation and dust-settling device for a tunnel portal;
FIG. 2 is a left side view of the structure of FIG. 1;
FIG. 3 is a front view of the structure of FIG. 1;
fig. 4 is a longitudinal sectional view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-dust removal cavity, 101-primary screen, 102-secondary screen, 103-tertiary screen, 104-support rod, 105-first dust removal water tank, 106-first water inlet pipe, 107-first air outlet pipe, 108-second water inlet pipe, 109-second air outlet pipe, 110-first clapboard, 111-second clapboard, 112-suction fan, 113-guide plate, 114-bottom plate, 115-universal wheel, 116-first check valve, 117-second check valve, 118-second dust removal water tank, 119-third water inlet pipe, 120-air outlet pipe, 121-upright post, 122-spray water tank and 123-spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention relates to a ventilation and dust-settling device for tunnel portal, which comprises a dust-settling chamber 1;
the inner wall of the dust removing cavity 1 is fixedly connected with a primary screen 101, a secondary screen 102 and a tertiary screen 103 respectively;
the primary screen 101 is positioned at the air inlet of the dust removing cavity 1; the secondary screen 102 is positioned at the rear end of the primary screen 101; the tertiary screen 103 is positioned at the rear end of the secondary screen 102;
the bottom of the dust removing cavity 1 is symmetrically and fixedly connected with supporting rods 104; one end of the supporting rod 104 is fixedly connected with a first dust removal water tank 105;
a first water inlet pipe 106, a first air outlet pipe 107, a second water inlet pipe 108 and a second air outlet pipe 109 are respectively arranged at the bottom in the dust removing cavity 1; one end of a first water inlet pipe 106, one end of a first air outlet pipe 107, one end of a second water inlet pipe 108 and one end of a second air outlet pipe 109 penetrate through the top of the first dust removal water tank 105; through the arrangement of the first water inlet pipe 106 and the second water inlet pipe 108, dust in the air filtered by the primary screen 101 and the secondary screen 102 can be merged into the first dust removal water tank 105, so that the dust removal effect of the dust removal cavity 1 is improved;
the bottom in the dust removing cavity 1 is fixedly connected with a first clapboard 110 and a second clapboard 111 respectively; the first baffle 110 is positioned between the first water inlet pipe 106 and the first air outlet pipe 107; the air containing dust filtered by the first-stage screen 101 enters the water in the first dust removing water tank 105 through the first water inlet pipe 106, and the air with part of dust removed flows back to the dust removing cavity 1 through the first air outlet pipe 107;
the second partition 111 is positioned between the second water inlet pipe 108 and the second air outlet pipe 109; the dust-laden air flowing back to the dust-removing chamber 1 is filtered by the secondary screen 102, and then enters the water in the first dust-removing water tank 105 through the second water inlet pipe 108, and the air from which part of dust is removed flows back to the dust-removing chamber 1 through the second air outlet pipe 109.
As shown in fig. 1-2, a suction fan 112 is disposed on one side of the dust-removing cavity 1; one side surface of the dust removing cavity 1 is fixedly connected with a guide plate 113; the suction fan 112 is positioned inside the guide plate 113; air containing dust in the tunnel can be pumped into the dust removal cavity 1 through the suction fan 112 for dust treatment;
the bottom of the first dust removing water tank 105 is fixedly connected with a bottom plate 114; a plurality of universal wheels 115 are fixedly arranged on the lower surface of the bottom plate 114, so that the ventilation and dust-settling device can be moved and transported conveniently.
As shown in fig. 1 and 3, a first check valve 116 is fixedly installed on the peripheral side surface of the first water inlet pipe 106 and the peripheral side surface of the second water inlet pipe 108; the first check valve 116 is arranged on the first water inlet pipe 106, so that the water in the first dust removing water tank 105 can be effectively prevented from flowing back to the dust removing cavity 1 along the first water inlet pipe 106 under the pressurization effect of the internal air, and further the dust removing effect of the dust removing cavity 1 is influenced;
the peripheral side surface of the first air outlet pipe 107 and the peripheral side surface of the second air outlet pipe 109 are fixedly provided with second check valves 117; through the arrangement of the second check valve 117, the air in the dust removing cavity 1 can be effectively prevented from flowing back to the first dust removing water tank 105 through the first air outlet pipe 107 and the second air outlet pipe 109 again, so that the high-efficiency dust removal of the dust removing cavity 1 is influenced;
a third partition plate is fixedly connected inside the first dust removal water tank 105;
the first water inlet pipe 106 and the first air outlet pipe 107 are positioned at one side of the third partition plate, and the second water inlet pipe 108 and the second air outlet pipe 109 are positioned at the other side of the third partition plate.
As shown in fig. 1-3, a second dust-removing water tank 118 is fixedly connected to the top of the dust-removing cavity 1; the top of the second dust-removing water tank 118 is respectively provided with a third water inlet pipe 119 and an air outlet pipe 120;
one end of the air outflow pipe 120 penetrates through the top of the dust removal cavity 1, and the air filtered by the three-stage screen 103 flows out of the dust removal cavity 1 to the second dust removal water tank 118 along the air outflow pipe 120, so that the air inside the second dust removal water tank 118 is pressurized;
the top of the dust removing cavity 1 is fixedly connected with an upright post 121; one end of the upright column 121 is fixedly connected with a spray water tank 122; a plurality of spray heads 123 are arranged on the peripheral side surface of the spray water tank 122;
one end of the third water inlet pipe 119 penetrates through the peripheral side surface of the spray water tank 122; the water of the second dust removal water tank 118 is pressed into the spray water tank 122 and sprayed out through the spray head 123, fine water drops adsorb dust particles in the air of the tunnel portal, so that the dust in the air of the tunnel portal can be settled and removed, and meanwhile, in the process that the spray head 123 sprays out the water, the air flow of the tunnel portal is driven to surge, so that the air of the tunnel portal flows into the tunnel, and ventilation in the tunnel is realized.
The working principle of the embodiment is as follows: the ventilation dust-settling device is moved to the tunnel portal, the guide plate 113 faces the inside of the tunnel portal, the suction fan 112 is started, the air containing a large amount of dust at the tunnel portal is sucked into the dust-removing cavity 1, the dust air entering the dust-removing cavity 1 is firstly filtered by the primary screen 101, the filtered air containing dust enters the water in the first dust-removing water tank 105 through the first water inlet pipe 106, the air with part of dust removed is refluxed into the dust-removing cavity 1 through the first air outlet pipe 107, the dust air refluxed into the dust-removing cavity 1 is filtered by the secondary screen 102, the air with part of dust removed is refluxed into the dust-removing water tank 105 through the second water inlet pipe 108, the air with part of dust removed is refluxed into the dust-removing cavity 1 through the second air outlet pipe 109, the air refluxed into the dust-removing cavity 1 is filtered by the tertiary screen 103, and the dust in the air is further adsorbed and removed, the air filtered by the tertiary screen 103 flows out of the dust removal cavity 1 to the second dust removal water tank 118 along the air outflow pipe 120, so that the air inside the second dust removal water tank 118 is pressurized, water in the second dust removal water tank 118 is pressed into the spray water tank 122, water mist is sprayed out through the spray head 123, fine water drops adsorb dust particles in air at the tunnel portal, the dust in the air at the tunnel portal can be settled and removed, meanwhile, in the process that the water is sprayed out through the spray head 123, the air flow at the tunnel portal is driven to flow, the air at the tunnel portal flows into the tunnel, and therefore ventilation in the tunnel is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A ventilation and dust fall device for a tunnel portal comprises a dust removal cavity (1); the method is characterized in that:
the inner wall of the dust removal cavity (1) is fixedly connected with a primary screen (101), a secondary screen (102) and a tertiary screen (103) respectively;
the primary screen (101) is positioned at an air inlet of the dust removal cavity (1); the secondary screen (102) is positioned at the rear end of the primary screen (101); the tertiary screen (103) is positioned at the rear end of the secondary screen (102);
the bottom of the dust removing cavity (1) is symmetrically and fixedly connected with supporting rods (104); one end of the supporting rod (104) is fixedly connected with a first dust removal water tank (105);
a first water inlet pipe (106), a first air outlet pipe (107), a second water inlet pipe (108) and a second air outlet pipe (109) are respectively arranged at the bottom in the dust removing cavity (1); one end of the first water inlet pipe (106), one end of the first air outlet pipe (107), one end of the second water inlet pipe (108) and one end of the second air outlet pipe (109) penetrate through the top of the first dust removal water tank (105);
the bottom in the dust removing cavity (1) is fixedly connected with a first clapboard (110) and a second clapboard (111) respectively; the first baffle plate (110) is positioned between the first water inlet pipe (106) and the first air outlet pipe (107);
and the second clapboard (111) is positioned between the second water inlet pipe (108) and the second air outlet pipe (109).
2. The ventilation and dust fall device for the tunnel portal according to claim 1, wherein a suction fan (112) is arranged on one side surface of the dust removal cavity (1);
a guide plate (113) is fixedly connected to one side surface of the dust removing cavity (1);
the suction fan (112) is positioned inside the guide plate (113).
3. A ventilation and dust-fall device for a tunnel portal according to claim 1, characterized in that a bottom plate (114) is fixedly connected to the bottom of the first dust-removal water tank (105); and a plurality of universal wheels (115) are fixedly arranged on the lower surface of the bottom plate (114).
4. A ventilation and dust-fall device for a tunnel portal according to claim 1, characterized in that the peripheral side surface of the first water inlet pipe (106) and the peripheral side surface of the second water inlet pipe (108) are fixedly provided with first check valves (116);
the peripheral side surface of the first air outlet pipe (107) and the peripheral side surface of the second air outlet pipe (109) are fixedly provided with second check valves (117);
a third partition plate is fixedly connected inside the first dust removal water tank (105);
the first water inlet pipe (106) and the first air outlet pipe (107) are positioned on one side of the third partition plate, and the second water inlet pipe (108) and the second air outlet pipe (109) are positioned on the other side of the third partition plate.
5. The ventilation and dust-settling device for the tunnel portal according to claim 1, characterized in that a second dust-settling water tank (118) is fixedly connected to the top of the dust-settling cavity (1); the top of the second dust removing water tank (118) is respectively provided with a third water inlet pipe (119) and an air outlet pipe (120);
one end of the air outflow pipe (120) penetrates through the top of the dust removal cavity (1).
6. A ventilation and dust fall device for a tunnel portal according to claim 5, characterized in that the top of the dust-removing cavity (1) is fixedly connected with a column (121); one end of the upright post (121) is fixedly connected with a spray water tank (122); a plurality of spray heads (123) are arranged on the peripheral side surface of the spray water tank (122);
one end of the third water inlet pipe (119) penetrates through the peripheral side surface of the spray water tank (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568228.4U CN213627654U (en) | 2020-11-09 | 2020-11-09 | A ventilation dust device for tunnel entrance to a cave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022568228.4U CN213627654U (en) | 2020-11-09 | 2020-11-09 | A ventilation dust device for tunnel entrance to a cave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627654U true CN213627654U (en) | 2021-07-06 |
Family
ID=76630916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022568228.4U Active CN213627654U (en) | 2020-11-09 | 2020-11-09 | A ventilation dust device for tunnel entrance to a cave |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627654U (en) |
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2020
- 2020-11-09 CN CN202022568228.4U patent/CN213627654U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ventilation and dust reduction device for tunnel portal Effective date of registration: 20220428 Granted publication date: 20210706 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Nanshan sub branch Pledgor: Shandong huitai Municipal Engineering Group Co.,Ltd. Registration number: Y2022980004978 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230428 Granted publication date: 20210706 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Nanshan sub branch Pledgor: Shandong huitai Municipal Engineering Group Co.,Ltd. Registration number: Y2022980004978 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ventilation and dust reduction device for tunnel openings Effective date of registration: 20230504 Granted publication date: 20210706 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Nanshan sub branch Pledgor: Shandong huitai Municipal Engineering Group Co.,Ltd. Registration number: Y2023980039691 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210706 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Nanshan sub branch Pledgor: Shandong huitai Municipal Engineering Group Co.,Ltd. Registration number: Y2023980039691 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ventilation and dust reduction device for tunnel entrances Granted publication date: 20210706 Pledgee: Jinan Rural Commercial Bank Co.,Ltd. Nanshan sub branch Pledgor: Shandong huitai Municipal Engineering Group Co.,Ltd. Registration number: Y2024980028061 |