CN111692675B - A breather for underground pipe gallery commodity circulation - Google Patents

A breather for underground pipe gallery commodity circulation Download PDF

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Publication number
CN111692675B
CN111692675B CN202010624412.8A CN202010624412A CN111692675B CN 111692675 B CN111692675 B CN 111692675B CN 202010624412 A CN202010624412 A CN 202010624412A CN 111692675 B CN111692675 B CN 111692675B
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China
Prior art keywords
air
air inlet
partition plate
shell
exhaust
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CN202010624412.8A
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Chinese (zh)
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CN111692675A (en
Inventor
周冰
王海花
曾坤蓉
王晟
吴珅珅
林邓伟
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Jiaozuo university
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Jiaozuo university
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/10Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/40Pressure, e.g. wind pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • F24F2110/65Concentration of specific substances or contaminants
    • F24F2110/70Carbon dioxide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses an air interchanger for underground pipe gallery logistics; comprises a shell; a first partition plate is arranged in the shell, an exhaust pipe is arranged above the first partition plate, and the exhaust pipe is connected with an exhaust fan and exhausts through the exhaust fan; a second partition plate is arranged below the first partition plate, and a closed air inlet cavity is formed at one side of the second partition plate, which is close to the shell; a third partition plate is arranged on the other side of the second partition plate, and a vent hole is formed in the center of the third partition plate; a first filter screen is arranged on one side of the third partition board, which is far away from the second partition board, the other side of the first filter screen is connected with a filter body, a sterilization cavity is arranged on the other side of the filter body, an air inlet is arranged on one side of the sterilization cavity, which is far away from the filter body, and the air inlet is connected with the shell in an embedded manner; an air exhaust fan is arranged in the air inlet; the air exchange efficiency is high, and the air in the underground pipe gallery is purified, so that the air quality in the underground pipe gallery is improved, and a healthy breathing environment is guaranteed.

Description

A breather for underground pipe gallery commodity circulation
Technical Field
The invention belongs to the field of underground pipe gallery air interchangers, and particularly relates to an air interchanger for underground pipe gallery logistics.
Background
The underground comprehensive pipe gallery is a public tunnel which is built underground in a city and is used for intensively laying municipal pipelines such as electric power, communication, broadcast television, water supply and the like; the underground logistics system is a logistics mode with innovation significance, has the advantages of high speed, high accuracy and the like, and is an important effective way for solving urban traffic jam, reducing environmental pollution and improving the accessibility and quality of urban goods transportation; the underground logistics system can meet the development mode of circular economy, accords with the development requirement of a resource-saving society, is a necessary choice for the sustainable development of the city in China, and can be mutually promoted and jointly developed without the support of an underground comprehensive pipe gallery when the underground logistics system is constructed.
In the development of the underground comprehensive pipe gallery, due to special environmental reasons, ventilation treatment is required to be carried out so as to ensure that sufficient fresh air exists in the underground comprehensive pipe gallery; the existing ventilation system can only perform ventilation and only perform natural ventilation through the ventilation window, so that the ventilation efficiency is low; and can't carry out purification treatment to the air that enters into in the underground pipe gallery, make dust or germ get into the underground pipe gallery, influence the air circumstance of underground pipe gallery.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the air interchanger for the logistics of the underground pipe gallery, which has high air interchanging efficiency, purifies the air in the underground pipe gallery, improves the air quality in the underground pipe gallery and ensures a healthy breathing environment.
The invention provides the following technical scheme:
an air interchanger for underground piping lane logistics; comprises a shell; a first partition plate is arranged in the shell, an exhaust pipe is arranged above the first partition plate, and the exhaust pipe is connected with an exhaust fan and exhausts through the exhaust fan; one end of the exhaust pipe is connected with an exhaust hood, and the exhaust hood is connected with the shell in an embedded mode; the other end of the exhaust pipe is connected with an air inlet cover, and the air inlet cover is connected with the shell in an embedded manner; a second partition plate is arranged below the first partition plate, and a closed air inlet cavity is formed at one side of the second partition plate, which is close to the shell; a third partition plate is arranged on the other side of the second partition plate, and a vent hole is formed in the center of the third partition plate; a first filter screen is arranged on one side of the third partition board, which is far away from the second partition board, the other side of the first filter screen is connected with a filter body, a sterilization cavity is arranged on the other side of the filter body, an air inlet is arranged on one side of the sterilization cavity, which is far away from the filter body, and the air inlet is connected with the shell in an embedded manner; an air exhaust fan is arranged in the air inlet.
Preferably, a first air inlet and a second air inlet are symmetrically formed in one side, close to the shell, of the air inlet cavity, and a first air outlet and a second air outlet are correspondingly formed in one side, close to the second partition plate, of the air inlet cavity; the air inlet cavity is internally provided with a sliding plate, the center of one side of the moving plate is connected with a moving rod, and the moving rod penetrates through the first partition plate and is in clearance sliding connection with the first partition plate.
Preferably, the other end of the moving rod is rotatably connected with a connecting rod, the other end of the connecting rod is connected with a crankshaft, and the crankshaft is driven by a motor to rotate; the motor is connected with the shell through a connecting piece.
Preferably, the filter body includes the pivot, and the circumference of pivot evenly is equipped with a plurality of flabellums, the pivot passes through the mount with first filter screen and rotates and be connected.
Preferably, a plurality of all be equipped with the second filter screen between the flabellum, the second filter screen is the active carbon filter screen.
Preferably, ultraviolet lamps are arranged at the top and the bottom in the sterilization cavity.
Preferably, the air doors are arranged on one sides of the first air inlet hole and the second air inlet hole, which are close to the air inlet cavity; and an air door is arranged on one side of the first air outlet and one side of the second air outlet, which are far away from the air inlet cavity.
Preferably, the air door is connected with a hinge, the air doors of the first air inlet hole and the second air inlet hole are hinged to the shell through the hinge, and the air doors of the first air outlet hole and the second air outlet hole are hinged to the second partition plate through the hinge.
Preferably, the working process of the device is that the device is installed on the wall body of the underground pipe gallery, one side of the air inlet is located on the inner side of the underground pipe gallery, air in the underground pipe gallery is sent into the exhaust pipe by opening the exhaust fan, and the air is exhausted through the exhaust hood arranged at the end part of the exhaust pipe; when the motor drives the sliding plate to move downwards through the crankshaft and the connecting rod, the air door of the first air inlet hole is in an open state under the action of air suction force, the air door of the first air outlet hole is in a closed state, and air enters the upper part of the sliding plate; at the moment, the air door of the second air inlet hole is in a closed state under the action of the inward air pressure, the air door of the second air outlet hole is in an open state under the action of the outward air pressure, and air enters the air vent from the second air inlet hole, so that the air flow rate is accelerated, the air flow flux is improved, and the purification efficiency is improved; when the slide plate is moved upward, the state is reversed.
Preferably, the first filter screen is an HEPA high-efficiency filter screen, can filter a large amount of particulate pollutants contained in natural air, and has a filtering diameter of 0.3 μm; through the active carbon filter screen that sets up, adsorb that there are several macromolecular substances in the air.
Preferably, in order to guarantee the air quality in the underground pipe gallery, the fresh air volume V of the ventilation device and the carbon dioxide concentration C in the underground pipe gallery1And the carbon dioxide content in the fresh air and the release amount n of carbon dioxide breathed by people meet the following relational expression:
V=α·(n/(C1- C2));
in the above formula, alpha is a relation coefficient and has a value range of 0.569-3.323; v unit m3/h; C1、C2N is in ppm.
Preferably, in order to guarantee air humidity and reasonable temperature in the underground pipe gallery, adjust the temperature of underground pipe gallery through this device, air regenerating unit's heat transfer volume Q satisfies following relation:
Q=β·ρLCP(t1-t2);
in the above formula, ρ is the air density, kg/m3(ii) a L is the air inlet blowing flow, m3/s;CPKj/(kg. DEG C) is the air constant pressure ratio; t is t1Outdoor temperature, deg.C; t is t1The underground pipe gallery temperature, DEG C;
beta is an air pressure relation factor, and the value range is 0.863-2.372.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the air interchanger for the logistics of the underground pipe gallery, the motor is arranged to drive the crankshaft connecting rod, the moving rod and the sliding plate are further driven to reciprocate in the air inlet cavity, the air inlet mechanism is formed by the first air inlet hole, the second air inlet hole, the first air outlet hole and the second air outlet hole, the speed of natural air entering the underground pipe gallery is accelerated, the air interchanging speed is further improved, and the underground pipe gallery is guaranteed to have sufficient fresh air.
(2) The invention relates to an air interchanger for underground pipe gallery logistics, which can filter a large amount of particulate pollutants contained in natural air by arranging a first filter screen, wherein the filtering diameter is 0.3 mu m; set up the second filter screen through setting up between the flabellum, drive the flabellum through the air current and rotate for activated carbon and air contact efficiency in the second filter screen promote purification efficiency, have several macromolecular substance in the adsorbed air, promote underground pipe gallery's air quality.
(3) According to the ventilation device for the logistics of the underground pipe gallery, the ultraviolet lamp is arranged in the sterilization cavity, so that harmful microorganisms such as bacteria in the air can be effectively killed, and the air quality of the underground pipe gallery is further improved.
(4) The invention relates to an air interchanger for underground pipe gallery logistics, which is characterized in that C is limited1、C2N, V, the appropriate carbon dioxide concentration in the air in the underground pipe gallery is guaranteed.
(5) The invention relates to an air interchanger for underground pipe gallery logistics, which limits Q, rho and L, CPThe relationship between the air humidity and the reasonable temperature in the underground pipe gallery is ensuredWithin a proper range, the environmental comfort is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a top view of the exhaust pipe and motor of the present invention.
Fig. 3 is a partially enlarged schematic view of the present invention.
Fig. 4 is a schematic view of a first filter according to the present invention.
Fig. 5 is a schematic view of the filter body structure of the present invention.
In the figure: 1. a housing; 2. a first separator; 3. an exhaust pipe; 4. an exhaust fan; 5. an exhaust hood; 6. an air intake hood; 7. a second separator; 8. a third partition plate; 9. a first air intake hole; 10. a second air intake hole; 11. a first air outlet hole; 12. a second air outlet; 13. an air inlet cavity; 14. a motor; 15. a crankshaft; 16. a connecting rod; 17. a travel bar; 18. a sliding plate; 19. a vent; 20. a first filter screen; 21. a filter body; 22. a sterilization chamber; 23. an ultraviolet lamp; 24. an air inlet; 25. an air extracting fan; 26. a hinge; 27. a damper; 28. a fan blade; 29. a second filter screen; 30. a rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
1-5, an air exchange device for underground piping lane logistics; comprises a shell 1; a first partition plate 2 is arranged in the shell 1, an exhaust pipe 3 is arranged above the first partition plate 2, the exhaust pipe 3 is connected with an exhaust fan 4, and exhaust is carried out through the exhaust fan 4; one end of the exhaust pipe 3 is connected with an exhaust hood 5, and the exhaust hood 5 is connected with the shell 1 in an embedded manner; the other end of the exhaust pipe 3 is connected with an air inlet cover 6, and the air inlet cover 6 is connected with the shell 1 in an embedded manner; a second partition plate 7 is arranged below the first partition plate 2, and a closed air inlet cavity 13 is formed at one side of the second partition plate 7 close to the shell 1; a third partition plate 8 is arranged on the other side of the second partition plate 7, and a vent 19 is formed in the center of the third partition plate 8; a first filter screen 20 is arranged on one side, far away from the second partition board 7, of the third partition board 8, the other side of the first filter screen 20 is connected with a filter body 21, a sterilization cavity 22 is arranged on the other side of the filter body 21, an air inlet 24 is formed in one side, far away from the filter body 21, of the sterilization cavity 22, and the air inlet 24 is connected with the shell 1 in an embedded manner; the air intake 24 is provided therein with a suction fan 25.
A first air inlet hole 9 and a second air inlet hole 10 are symmetrically formed in one side, close to the shell 1, of the air inlet cavity 13, and a first air outlet hole 11 and a second air outlet hole 12 are correspondingly formed in one side, close to the second partition plate 7, of the air inlet cavity 13; a sliding plate 18 is arranged in the air inlet cavity 13, a moving rod 17 is connected to the center of one side of the moving plate, and the moving rod 17 penetrates through the first partition plate 2 and is in clearance sliding connection with the first partition plate 2.
The other end of the moving rod 17 is rotatably connected with a connecting rod 16, the other end of the connecting rod 16 is connected with a crankshaft 15, and the crankshaft 15 is driven by a motor 14 to rotate; the motor 14 is connected with the shell 1 through a connecting piece; the filter body 21 comprises a rotating shaft 30, a plurality of fan blades 28 are uniformly arranged on the circumference of the rotating shaft 30, and the rotating shaft 30 is rotatably connected with the first filter screen 20 through a fixing frame; a second filter screen 29 is arranged among the fan blades 28, and the second filter screen 29 is an activated carbon filter screen; ultraviolet lamps 23 are arranged at the top and the bottom in the sterilizing cavity 22.
The air door 27 is arranged on one side of the first air inlet hole 9 and one side of the second air inlet hole 10 close to the air inlet cavity 13; the air door 27 is arranged on one side of the first air outlet hole 11 and one side of the second air outlet hole 12 far away from the air inlet cavity 13; the air door 27 is connected with a hinge 26, the air doors 27 of the first air inlet hole 9 and the second air inlet hole 10 are hinged with the shell 1 through the hinge 26, and the air doors 27 of the first air outlet hole 11 and the second air outlet hole 12 are hinged with the second partition plate 7 through the hinge 26.
Example two:
an air interchanger for underground piping lane logistics; comprises a shell 1; a first partition plate 2 is arranged in the shell 1, an exhaust pipe 3 is arranged above the first partition plate 2, the exhaust pipe 3 is connected with an exhaust fan 4, and exhaust is carried out through the exhaust fan 4; one end of the exhaust pipe 3 is connected with an exhaust hood 5, and the exhaust hood 5 is connected with the shell 1 in an embedded manner; the other end of the exhaust pipe 3 is connected with an air inlet cover 6, and the air inlet cover 6 is connected with the shell 1 in an embedded manner; a second partition plate 7 is arranged below the first partition plate 2, and a closed air inlet cavity 13 is formed at one side of the second partition plate 7 close to the shell 1; a third partition plate 8 is arranged on the other side of the second partition plate 7, and a vent 19 is formed in the center of the third partition plate 8; a first filter screen 20 is arranged on one side, far away from the second partition board 7, of the third partition board 8, the other side of the first filter screen 20 is connected with a filter body 21, a sterilization cavity 22 is arranged on the other side of the filter body 21, an air inlet 24 is formed in one side, far away from the filter body 21, of the sterilization cavity 22, and the air inlet 24 is connected with the shell 1 in an embedded manner; the air intake 24 is provided therein with a suction fan 25.
A first air inlet hole 9 and a second air inlet hole 10 are symmetrically formed in one side, close to the shell 1, of the air inlet cavity 13, and a first air outlet hole 11 and a second air outlet hole 12 are correspondingly formed in one side, close to the second partition plate 7, of the air inlet cavity 13; a sliding plate 18 is arranged in the air inlet cavity 13, the center of one side of the moving plate is connected with a moving rod 17, and the moving rod 17 penetrates through the first partition plate 2 and is in clearance sliding connection with the first partition plate 2; the other end of the moving rod 17 is rotatably connected with a connecting rod 16, the other end of the connecting rod 16 is connected with a crankshaft 15, and the crankshaft 15 is driven by a motor 14 to rotate; the motor 14 is connected to the housing 1 via a connection.
The filter body 21 comprises a rotating shaft 30, a plurality of fan blades 28 are uniformly arranged on the circumference of the rotating shaft 30, and the rotating shaft 30 is rotatably connected with the first filter screen 20 through a fixing frame; a second filter screen 29 is arranged among the fan blades 28, and the second filter screen 29 is an activated carbon filter screen; ultraviolet lamps 23 are arranged at the top and the bottom in the sterilization cavity 22; the air door 27 is arranged on one side of the first air inlet hole 9 and one side of the second air inlet hole 10 close to the air inlet cavity 13; and air doors 27 are arranged on one sides of the first air outlet hole 11 and the second air outlet hole 12 far away from the air inlet cavity 13.
The air door 27 is connected with a hinge 26, the air doors 27 of the first air inlet hole 9 and the second air inlet hole 10 are hinged with the shell 1 through the hinge 26, and the air doors 27 of the first air outlet hole 11 and the second air outlet hole 12 are hinged with the second partition plate 7 through the hinge 26.
The working process of the device is that the device is arranged on the wall body of the underground pipe gallery, one side of the air inlet 24 is positioned at the inner side of the underground pipe gallery, air in the underground pipe gallery is sent into the exhaust pipe 3 by opening the exhaust fan 4, and the air is exhausted through the exhaust cover 5 arranged at the end part of the exhaust pipe 3; when the motor 14 is turned on, and the motor 14 drives the sliding plate 18 to move downwards through the crankshaft 15 and the connecting rod 16, the air door 27 of the first air inlet hole 9 is in an open state under the action of air suction force, the air door 27 of the first air outlet hole 11 is in a closed state, and air enters the upper part of the sliding plate 18; at this time, the air door 27 of the second air inlet hole 10 is in a closed state due to the action of the inward air pressure, the air door 27 of the second air outlet hole 12 is in an open state due to the action of the outward air pressure, and the air enters the air vent 19 from the second air inlet hole 10, so that the air flow rate is accelerated, the air flow flux is improved, and the purification efficiency is improved; when the slide plate 18 is moved upward, the state is reversed.
Example three:
on the basis of the first embodiment, the first filter screen 20 is a high efficiency HEPA filter screen capable of filtering a large amount of particulate pollutants contained in natural air, and the filtering diameter is 0.3 μm; through the active carbon filter screen that sets up, adsorb that there are several macromolecular substances in the air.
In order to guarantee the air quality in the underground pipe gallery, the fresh air volume V of the air interchanger and the carbon dioxide concentration C in the underground pipe gallery1And the carbon dioxide content in the fresh air and the release amount n of carbon dioxide breathed by people meet the following relational expression:
V=α·(n/(C1- C2));
in the above formula, alpha is a relation coefficient and has a value range of 0.569-3.323; v unit m3/h; C1、C2N is in ppm.
In order to guarantee air humidity and reasonable temperature in the underground pipe gallery, adjust the temperature of underground pipe gallery through this device, heat transfer volume Q of breather satisfies following relation:
Q=β·ρLCP(t1-t2);
in the above formula, ρ is the air density, kg/m3(ii) a L is the flow of air supplied from the air inlet 24, m3/s;CPKj/(kg. DEG C) is the air constant pressure ratio; t is t1Outdoor temperature, deg.C; t is t1The underground pipe gallery temperature, DEG C;
beta is an air pressure relation factor, and the value range is 0.863-2.372.
The device obtained by the technical scheme is a ventilation device for underground pipe gallery logistics, a motor 14 is arranged to drive a crankshaft 15 connecting rod 16, a moving rod 17 and a sliding plate 18 are further driven to reciprocate in an air inlet cavity 13, an air inlet mechanism is formed by the arranged first air inlet hole 9, the second air inlet hole 10, the first air outlet hole 11 and the second air outlet hole 12, the speed of natural air entering the underground pipe gallery is accelerated, the ventilation speed is further improved, and the underground pipe gallery is guaranteed to have sufficient fresh air; a large amount of particulate pollutants contained in natural air can be filtered by arranging the first filter screen 20, and the filtering diameter is 0.3 mu m; by arranging a second filter screen 29 between the fan blades 28The fan blades 28 are driven to rotate through airflow, so that the contact efficiency of the activated carbon in the second filter screen 29 and the air is improved, the purification efficiency is improved, several macromolecular substances in the air are adsorbed, and the air quality of the underground pipe gallery is improved; the ultraviolet lamp 23 is arranged in the sterilization cavity 22, so that harmful microorganisms such as bacteria in the air can be effectively killed, and the air quality of the underground pipe gallery can be further improved; by limiting C1、C2N and V, to ensure the proper carbon dioxide concentration in the air in the underground pipe gallery; by defining Q, rho, L, CPThe relation between the two pipes ensures that the air humidity and the reasonable temperature in the underground pipe gallery are within a proper range, and the environmental comfort is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. An air interchanger for underground piping lane logistics; comprises a shell (1); the air conditioner is characterized in that a first partition plate (2) is arranged inside the shell (1), an exhaust pipe (3) is arranged above the first partition plate (2), the exhaust pipe (3) is connected with an exhaust fan (4), and exhaust is carried out through the exhaust fan (4); one end of the exhaust pipe (3) is connected with an exhaust hood (5), and the exhaust hood (5) is connected with the shell (1) in an embedded manner; the other end of the exhaust pipe (3) is connected with an air inlet cover (6), and the air inlet cover (6) is connected with the shell (1) in an embedded mode; a second partition plate (7) is arranged below the first partition plate (2), and a closed air inlet cavity (13) is formed at one side of the second partition plate (7) close to the shell (1); a third partition plate (8) is arranged on the other side of the second partition plate (7), and a vent hole (19) is formed in the center of the third partition plate (8); a first filter screen (20) is arranged on one side, far away from the second partition board (7), of the third partition board (8), the other side of the first filter screen (20) is connected with a filter body (21), a sterilization cavity (22) is arranged on the other side of the filter body (21), an air inlet (24) is formed in one side, far away from the filter body (21), of the sterilization cavity (22), and the air inlet (24) is connected with the shell (1) in an embedded mode; an air suction fan (25) is arranged in the air inlet (24); a first air inlet hole (9) and a second air inlet hole (10) are symmetrically formed in one side, close to the shell (1), of the air inlet cavity (13), and a first air outlet hole (11) and a second air outlet hole (12) are correspondingly formed in one side, close to the second partition plate (7), of the air inlet cavity (13); a sliding plate (18) is arranged in the air inlet cavity (13), the center of one side of the sliding plate is connected with a moving rod (17), and the moving rod (17) penetrates through the first partition plate (2) and is in clearance sliding connection with the first partition plate (2);
the other end of the moving rod (17) is rotatably connected with a connecting rod (16), the other end of the connecting rod (16) is connected with a crankshaft (15), and the crankshaft (15) is driven by a motor (14) to rotate; the motor (14) is connected with the shell (1) through a connecting piece; the filter body (21) comprises a rotating shaft (30), a plurality of fan blades (28) are uniformly arranged on the circumference of the rotating shaft (30), and the rotating shaft (30) is rotatably connected with the first filter screen (20) through a fixing frame; a second filter screen (29) is arranged among the fan blades (28), and the second filter screen (29) is an activated carbon filter screen; an air door (27) is arranged on one side of each of the first air inlet hole (9) and the second air inlet hole (10) close to the air inlet cavity (13); an air door (27) is arranged on one side of each of the first air outlet hole (11) and the second air outlet hole (12) far away from the air inlet cavity (13);
one side of the air inlet is positioned on the inner side of the underground pipe gallery, air in the underground pipe gallery is sent into the exhaust pipe by opening the exhaust fan, and the air is exhausted through the exhaust hood arranged at the end part of the exhaust pipe; when the motor drives the sliding plate to move downwards through the crankshaft and the connecting rod, the air door of the first air inlet hole is in an open state under the action of air suction force, the air door of the first air outlet hole is in a closed state, and air enters the upper part of the sliding plate; at the moment, the air door of the second air inlet hole is in a closed state under the action of the inward air pressure, the air door of the second air outlet hole is in an open state under the action of the outward air pressure, and air enters the air vent from the second air inlet hole, so that the air flow rate is accelerated, the air flow flux is improved, and the purification efficiency is improved; when the slide plate is moved upward, the state is reversed.
2. Air interchanger for a subterranean pipe gallery stream according to claim 1, characterized in that the sterilizing chamber (22) is provided with uv lamps (23) at both the top and the bottom.
3. An air interchanger for underground pipe gallery logistics according to claim 1 characterized in that the air door (27) is connected with a hinge (26), the air doors (27) of the first air inlet hole (9) and the second air inlet hole (10) are hinged with the shell (1) through the hinge (26), and the air doors (27) of the first air outlet hole (11) and the second air outlet hole (12) are hinged with the second clapboard (7) through the hinge (26).
CN202010624412.8A 2020-07-02 2020-07-02 A breather for underground pipe gallery commodity circulation Active CN111692675B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010624412.8A CN111692675B (en) 2020-07-02 2020-07-02 A breather for underground pipe gallery commodity circulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010624412.8A CN111692675B (en) 2020-07-02 2020-07-02 A breather for underground pipe gallery commodity circulation

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CN111692675B true CN111692675B (en) 2021-07-02

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589111B1 (en) * 2002-04-23 2003-07-08 Conderv*A*Therm Snow extractor for use with an air handling system
CN205807734U (en) * 2016-05-24 2016-12-14 潜山县有余瓜蒌开发有限责任公司 A kind of Fructus Trichosanthis seed workshop air interchanger
CN108775655A (en) * 2018-08-10 2018-11-09 太仓市华盈电子材料有限公司 A kind of fresh air purifier equipment
CN110440377A (en) * 2019-08-13 2019-11-12 深圳市玖品空气净化科技有限公司 A kind of small fresh air system of noise pollution for smart home

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