CN211913040U - Environment-friendly ventilation unit is used in subway construction - Google Patents

Abstract

The utility model discloses an environment-friendly ventilation device for subway construction, which comprises a dust separation bin, an air inlet pipe, a side plate, a fixed frame, a motor bracket, a negative pressure pump, a first filter screen, a brush plate, a guide block, a dust collector, and a dust collector. The discharge pipe, the dust collection bag, the adsorption bin, the clean air discharge pipe, the through pipe, and the second filter screen, the utility model can realize the treatment of the gas generated after the subway construction through the negative pressure pump, and the two filter screens can correspond in turn. The filtration work is carried out, and the gas can also enter the adsorption chamber. Through the filling of activated carbon, dust or other toxic substances can be further adsorbed, and then the clean gas discharge pipe can finally discharge clean gas; on the side wall of the first filter screen The setting of the brush plate can realize the cleaning of the dust on the first filter net, can effectively prevent the dust from clogging the filter net, ensure the efficient dust filtration work and protect the construction environment in the subway.

Description

An environmentally friendly ventilation device for subway construction

technical field

The utility model relates to the technical field of subway construction, in particular to an environment-friendly ventilation device for subway construction.

Background technique

With the development of the city, the subway is more and more convenient for people to travel. Due to the high-speed running of the subway, it is generally a closed design. Therefore, the ventilation work during construction is particularly important, especially in the construction process due to the underground closed environment. The construction environment has a great impact, and it also brings great pollution to the nature.

The existing subway construction ventilation and ventilation devices do not have high-efficiency dust-proof function, and the dust-proof net is not easy to clean, and it is easy to cause the filter net to be blocked over time, which is not conducive to ventilation work, and the gas filtration effect is poor. The construction personnel bring a greater threat to health, which is not conducive to maintaining a good working environment, and the pollution is relatively serious. For this reason, we propose an environmentally friendly ventilation device for subway construction.

Utility model content

The utility model provides an environment-friendly ventilation device for subway construction, which aims to effectively filter and remove dust, and the dust on the filter net is easy to clean, which ensures efficient dust filtration and protects the construction environment in the subway.

In order to realize the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is realized through the following technical solutions:

An environmentally friendly ventilation device for subway construction includes a dust separation bin, a support frame is symmetrically installed on the bottom outer wall of the dust separation bin, a side plate is fixedly installed on the left outer wall of the dust separation bin, and the side plate is opened in the middle. A fixed frame is installed in the hole, an air inlet pipe is fixedly installed in the inner cavity of the fixed frame, the right end of the air inlet pipe extends into the inner cavity of the dust separation bin, and a motor is fixedly installed in the inner cavity of the air inlet pipe A bracket, a negative pressure pump is installed on the motor bracket, an adsorption chamber is fixedly installed on the top of the dust separation chamber, and a first filter screen and a through pipe are fixedly installed at the bottom of the adsorption chamber, and the bottom of the through pipe extends To the inner cavity of the dust separation bin, the first filter screen is arranged close to the air inlet pipe, and the left side of the first filter screen is provided with a brush plate, the brush plate is movably connected with the first filter screen, and the hair A vertical rod is fixedly installed on the top outer wall of the brush plate, and the top of the vertical rod passes through the dust separation chamber and the adsorption chamber in turn and extends to the top of the adsorption chamber, and the top of the vertical rod is fixedly installed with a pressure plate, and the bottom outer wall of the pressure plate A spring is installed between the top outer walls of the adsorption chamber, the spring is sleeved on the outer wall of the vertical rod, the top outer wall of the adsorption chamber is provided with a clean air discharge pipe, and the bottom of the dust separation chamber is provided with a dust discharge pipe, so A dust collection bag is installed at the end of the dust discharge pipe.

Preferably, in the above-mentioned environment-friendly ventilation device for subway construction, a deflector is fixedly installed in the inner cavity of the dust separation bin, and the deflector is installed between the through pipe and the first filter screen.

Based on the above technical features, the installation of the deflector in the dust separation bin can well guide the air flow sucked in by the air inlet pipe to carry out the dust removal work.

Preferably, in the above-mentioned environmentally friendly ventilation device for subway construction, two guide blocks are symmetrically installed on the right outer wall of the brush plate, and guide blocks matching the guide blocks are provided on the left outer wall of the first filter screen. The brush plate is slidably connected to the side wall of the first filter screen through the guide block, and the brush of the brush plate is in contact with the left outer wall of the first filter screen.

Based on the above technical features, by arranging a brush plate on the side wall of the first filter screen, the dust cleaning work on the first filter screen can be realized, efficient dust filtering work is ensured, and the construction environment in the subway is protected.

Preferably, in the above-mentioned environmentally friendly ventilation device for subway construction, a second filter screen is provided on the left side of the negative pressure pump, the second filter screen is installed on the inner wall of the air inlet pipe, and the second filter screen is installed on the inner wall of the air inlet pipe. The mesh number is smaller than the mesh number of the first filter screen.

Based on the above technical features, the filtering and dust removal work can be carried out in a more refined manner through the setting of two filter screens.

Preferably, in the above-mentioned environment-friendly ventilation device for subway construction, the inner cavity of the adsorption chamber is filled with block-shaped activated carbon, and the bottom end of the clean gas discharge pipe extends to the bottom of the inner chamber of the adsorption chamber.

Based on the above technical features, by extending the bottom end of the clean gas discharge pipe to the bottom of the inner cavity of the adsorption chamber, the adsorption work of the gas in the adsorption chamber can be improved.

Preferably, in the above-mentioned environment-friendly ventilation device for subway construction, the dust collection bag and the dust discharge pipe are detachably connected.

Based on the above technical features, the dust collection bag can be collected after centralized filtering.

The beneficial effects of the present utility model are:

(1) The utility model can realize the processing of the gas generated after the subway construction through the negative pressure pump, and can perform the corresponding filtering work in turn through the two filter screens, and the filtered dust can be collected by the dust collection bag, which is convenient for cleaning, The gas can also enter the adsorption chamber, and through the filling of activated carbon, dust or other toxic substances can be further adsorbed, and then the clean gas discharge pipe can finally discharge clean gas, so as to realize the ventilation and cleaning in the subway construction process;

(2) The utility model can filter and dedust in a more refined manner through the arrangement of two filter screens, and a brush plate is arranged on the side wall of the first filter screen, which can realize the cleaning of dust on the first filter screen, It can effectively prevent dust from clogging the filter screen, ensure efficient dust filtration and protect the construction environment in the subway. To sum up, the device has a simple structure, is convenient to use, can effectively filter and remove dust, and the dust on the filter net is easy to clean, which ensures efficient dust filtration and protects the construction environment in the subway.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the internal structure schematic diagram of the present utility model;

Fig. 2 is the enlarged view of the utility model Fig. 1 place A;

FIG. 3 is an enlarged view of B of FIG. 1 of the present utility model.

In the accompanying drawings, the list of components represented by each number is as follows:

1. Dust separation bin; 2. Air inlet pipe; 3. Side plate; 4. Fixed frame; 5. Motor bracket; 6. Negative pressure pump; 7. First filter screen; 8. Brush plate; 9. Guide block ; 10, vertical rod; 11, spring; 12, pressure plate; 13, deflector; 14, dust discharge pipe; 15, dust collection bag; 16, adsorption chamber; 17, clean air discharge pipe; 18, through pipe; 19 , the second filter; 20, the support frame.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3 , this embodiment is an environment-friendly ventilation device for subway construction, including a dust separation bin 1 , a support frame 20 is symmetrically installed on the bottom outer wall of the dust separation bin 1 , and the left side of the dust separation bin 1 A side plate 3 is fixedly installed on the outer wall, a fixing frame 4 is installed in the opening of the side plate 3, an air inlet pipe 2 is fixedly installed in the inner cavity of the fixing frame 4, and the right end of the air inlet pipe 2 extends to the inner cavity of the dust separation bin 1. , and a motor bracket 5 is fixedly installed in the inner cavity of the air inlet pipe 2, and a negative pressure pump 6 is installed on the motor bracket 5. The model of the negative pressure pump 6 is set to JP-14H, the input power is 650w, and the rated voltage is 220V/50HZ. , the left side of the negative pressure pump 6 is provided with a second filter screen 19, the second filter screen 19 is installed on the inner wall of the air inlet pipe 2, and the mesh number of the second filter screen 19 is smaller than that of the first filter screen 7, Through the arrangement of the two filters, the filtering and dust removal work can be carried out in a more refined manner. A deflector 13 is fixedly installed in the inner cavity of the dust separation bin 1, and the deflector 13 is installed between the through pipe 18 and the first filter screen 7. In the dust separation bin 1, through the installation of the deflector 13, the airflow sucked by the air inlet duct 2 can be well guided to carry out the dust removal work. The top of the dust separation bin 1 is fixedly installed with an adsorption bin 16. The bottom is fixedly installed with a first filter screen 7 and a through pipe 18, the bottom of the through pipe 18 extends into the inner cavity of the dust separation bin 1, the first filter screen 7 is arranged close to the air inlet pipe 2, and the left side of the first filter screen 7 is A brush plate 8 is provided on the side, the brush plate 8 is movably connected with the first filter screen 7, and a vertical rod 10 is fixedly installed on the top outer wall of the brush plate 8, and the top of the vertical rod 10 passes through the dust separation bin 1 and the adsorption The bin 16 extends to the top of the adsorption bin 16 , and the top of the vertical rod 10 is fixedly installed with a pressure plate 12 , a spring 11 is installed between the bottom outer wall of the pressure plate 12 and the top outer wall of the adsorption bin 16 , and the spring 11 is sleeved on the vertical rod 10 . The outer wall, the right outer wall of the brush plate 8 is symmetrically installed with two guide blocks 9, the left outer wall of the first filter screen 7 is provided with a guide groove that matches the guide block 9, and the brush plate 8 is slidably connected to the first filter through the guide block 9. A side wall of the filter screen 7, and the brush of the brush plate 8 is in contact with the left outer wall of the first filter screen 7. By arranging the brush plate 8 on the side wall of the first filter screen 7, the first The cleaning of the dust on the filter screen 7 ensures the efficient dust filtration work and thus protects the construction environment in the subway. The top outer wall of the adsorption bin 16 is provided with a clean air discharge pipe 17, and the inner cavity of the adsorption bin 16 is filled with blocks. Activated carbon, the bottom end of the clean gas discharge pipe 17 extends to the bottom of the inner cavity of the adsorption chamber 16, and the bottom end of the clean gas discharge pipe 17 extends to the bottom of the inner cavity of the adsorption chamber 16, which can improve the gas adsorption in the adsorption chamber 16. , the bottom of the dust separation bin 1 is provided with a dust discharge pipe 14, the end of the dust discharge pipe 14 is installed with a dust collection cloth bag 15, and the dust collection cloth bag 15 and the dust discharge pipe 14 are detachably connected. , which can collect the dust after centralized filtering.

A specific implementation of the present utility model has the advantages of simple structure and convenient operation. When in use, the negative pressure pump 6 can be turned on through an external power supply and a switch, so that the gas generated after subway construction can be treated, and the gas generated after the subway construction can be processed through two filter screens. The filtering work can be carried out correspondingly in sequence, the gas enters the diversion of the deflector 13, the filtered dust can be collected by the dust collection bag 15, which is convenient for cleaning, and the gas then enters the adsorption chamber 16, through the filling of activated carbon, it can be further The dust or other toxic substances are adsorbed, and then the clean gas discharge pipe 17 can finally discharge clean gas, so as to realize the ventilation and cleaning in the subway construction process. At this time, the staff can press the dynamic pressure plate 12 to drive the spring 11 to compress, and through the linkage of the vertical rod 10, the brush plate 8 can be driven to move on the left outer wall of the first filter The dust on the side wall of the first filter screen 7 is cleaned, which can effectively prevent the dust from clogging the filter screen, ensure the efficient dust filtering work, and protect the construction environment in the subway.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms 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 only used to help illustrate the present invention. The preferred embodiments do not describe all the details and do not limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. An environmentally friendly ventilation device for subway construction, comprising a dust separation bin (1), and a support frame (20) is symmetrically installed on the bottom outer wall of the dust separation bin (1), characterized in that: the dust separation bin ( 1) A side plate (3) is fixedly installed on the left outer wall of the side plate (3), a fixing frame (4) is installed in the opening of the side plate (3), and an air inlet pipe is fixedly installed in the inner cavity of the fixing frame (4). (2), the right end of the air inlet pipe (2) extends into the inner cavity of the dust separation bin (1), and a motor bracket (5) is fixedly installed in the inner cavity of the air inlet pipe (2), and the motor A negative pressure pump (6) is installed on the bracket (5), an adsorption chamber (16) is fixedly installed on the top of the dust separation chamber (1), and a first filter screen (16) is fixedly installed at the bottom of the adsorption chamber (16). 7) and a through pipe (18), the bottom of the through pipe (18) extends into the inner cavity of the dust separation bin (1), the first filter screen (7) is arranged close to the air inlet pipe (2), and A brush plate (8) is provided on the left side of the first filter screen (7), the brush plate (8) is movably connected with the first filter screen (7), and the top outer wall of the brush plate (8) is fixedly installed There is a vertical rod (10), the top of the vertical rod (10) extends through the dust separation chamber (1) and the adsorption chamber (16) to the top of the adsorption chamber (16) in turn, and the top of the vertical rod (10) is fixed A pressure plate (12) is installed, a spring (11) is installed between the bottom outer wall of the pressure plate (12) and the top outer wall of the adsorption chamber (16), and the spring (11) is sleeved on the outer wall of the vertical rod (10) , the top outer wall of the adsorption bin (16) is provided with a clean air discharge pipe (17), the bottom of the dust separation bin (1) is provided with a dust discharge pipe (14), and the end of the dust discharge pipe (14) is provided A dust collection bag (15) is installed. 2. An environment-friendly ventilation device for subway construction according to claim 1, characterized in that: a deflector (13) is fixedly installed in the inner cavity of the dust separation bin (1), and the deflector (13) is installed between the through pipe (18) and the first filter screen (7). 3. An environment-friendly ventilation device for subway construction according to claim 1, characterized in that: two guide blocks (9) are symmetrically installed on the right outer wall of the brush plate (8), and the first The left outer wall of the filter screen (7) is provided with a guide groove matching the guide block (9), and the brush plate (8) is slidably connected to the side wall of the first filter screen (7) through the guide block (9), and The brushes of the brush plate (8) are in contact with the left outer wall of the first filter screen (7). 4. An environment-friendly ventilation device for subway construction according to claim 1, characterized in that: a second filter screen (19) is provided on the left side of the negative pressure pump (6), and the second filter screen (19) is installed on the inner wall of the air inlet pipe (2), and the mesh number of the second filter screen (19) is smaller than that of the first filter screen (7). 5. An environment-friendly ventilation device for subway construction according to claim 1, characterized in that: the inner cavity of the adsorption bin (16) is filled with block-shaped activated carbon, and the clean air discharge pipe (17) is The bottom end extends to the bottom of the inner cavity of the adsorption chamber (16). 6 . The environment-friendly ventilation device for subway construction according to claim 1 , wherein the dust collection bag ( 15 ) and the dust discharge pipe ( 14 ) are detachably connected. 7 .

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