CN111189081A

CN111189081A - Central flue system

Info

Publication number: CN111189081A
Application number: CN201811351501.9A
Authority: CN
Inventors: 陈瑞; 何立博
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-11-14
Filing date: 2018-11-14
Publication date: 2020-05-22
Anticipated expiration: 2038-11-14
Also published as: CN111189081B

Abstract

The utility model provides a central flue system, install flue main air fan and main control system at public flue top, install electronic check valve and electronic check valve control system on branch's tobacco pipe, install the water tank on the roof, wear to be equipped with the water pipe that is used for communicateing water tank and flourishing liquid container in the public flue, install the force pump on the water pipe, the water pipe includes inner tube and outer tube, leave the clearance between inner tube and the outer tube, inner tube liquid outlet and outer tube liquid outlet axially staggered distribute, and, the inner tube can outer tube axial displacement relatively under the drive of inside rivers. This central flue system inner tube can axial displacement and make the liquid outlet of interior outer tube coincide under the cleaning condition, and this moment is under hydraulic effect, and rivers can spray toward the flue wall through the liquid outlet, and the greasy dirt that is stained with on the flue is given the washing and is fallen, and in addition, the water pipe can also regard as the contact tube that realizes signal transmission between main control system and electric check valve control system to guarantee that signal is reliable, timely transmission and feedback.

Description

Central flue system

Technical Field

The invention relates to a central flue system.

Background

At present, most of high-rise houses adopt an indoor range hood, a smoke pipe, a check valve and a public flue to be connected, and oil smoke generated in a kitchen is discharged into the public flue through the indoor range hood and the smoke pipe. However, the cooking habit of the big oil smoke of Chinese people and the current situation of the big air volume and the big air pressure of the existing range hood cause the pressure distribution in the public flue to be extremely uneven, and the problem of unsmooth smoke discharge exists. In future, with the rise of high-rise residences, the traditional oil smoke exhausting mode is more and more difficult to meet the requirement of smooth smoke exhausting.

At present, in order to solve the problems of unsmooth smoke discharge and high noise of the existing range hood, a concept of a central purification system is developed in recent years. The central purification system generates power through a fan arranged at the top end of the public flue and is matched with a check valve plate connected with the public flue to adjust to realize uniform distribution of flow of each floor, so that the aims of smooth smoke discharge and low-noise use scenes are fulfilled. However, the smoke exhaust system in this way has a plurality of problems at present: 1. the lack of oil-fume separation of the indoor unit can cause most of the oil to enter the flue through the check valve, thus influencing the service life of the check valve and simultaneously increasing the pollution degree of the wall surface of the flue. 2. The central purification system needs signal transmission between the roof host and the indoor range hood and between the roof host and the electric check valve, but because the flue is a sealed environment, and the distance between the low-rise and the host is far, the wireless signal transmission difficulty is high, the reliable and timely transmission and feedback of signals are difficult to ensure, and the possibility of signal failure is high. 3. The system has high requirement on the tightness of the flue, the practical situation may have the problems of large surface roughness of the public flue and large air flow resistance, and the problems of poor sealing and easy air leakage may exist in some places, so that the high requirements of the central purification system on the wall surface roughness and the tightness of the flue are difficult to meet.

Disclosure of Invention

The invention aims to solve the technical problem of providing a central flue system which is convenient to clean a flue and reliable in signal transmission in the flue aiming at the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: this central flue system, including public flue and branch tobacco pipe, branch tobacco pipe is used for communicateing the range hood air outlet of public flue and each floor flue main air fan and main control system are installed to the top of public flue install electronic check valve and electronic check valve control system on the branch tobacco pipe, its characterized in that: install the water tank on the roof, wear to be equipped with the water pipe that is used for communicateing water tank and liquid container in the public flue install the force pump on the water pipe, the water pipe includes that inner tube and cover establish the outer tube outside the inner tube, leave the clearance between inner tube and the outer tube, it has the inner tube liquid outlet to open on the pipe wall of inner tube, it has the outer tube liquid outlet to open on the pipe wall of outer tube, inner tube liquid outlet and outer tube liquid outlet axial stagger distribute, and, the inner tube can relative outer tube axial displacement under the drive of inside rivers.

Preferably, the liquid outlets of the inner tubes at the same height are uniformly distributed along the circumferential direction of the tube wall of the inner tube at intervals, and the liquid outlets of the outer tubes at the same height are uniformly distributed along the circumferential direction of the tube wall of the outer tube at intervals.

Further preferably, the distance between the axially adjacent inner tube liquid outlets and the distance between the axially adjacent outer tube liquid outlets are both 90-110 mm, and the distance between the axially adjacent inner tube liquid outlets and the axially adjacent outer tube liquid outlets is 15-25 mm.

Further preferably, the gap between the inner pipe and the outer pipe is 2-4 mm.

In order to improve the stability of the water pipe, the pipe wall of the outer pipe is fixed with the inner wall of the public flue.

In order to regularly treat waste liquid, a switch valve is arranged at the outlet of the liquid container.

As a preferred scheme, the water pipe is a conductive pipe, and signal ends of the main control system and the electric check valve control system realize signal transmission through the conductive pipe.

As another preferred scheme, a metal wire is installed in the common flue, and signal ends of the main control system and the electric check valve control system realize signal transmission through the metal wire.

In order to enable the smoke in the public flue to be discharged after purification, a centralized purification device is installed at the top of the public flue, and the centralized purification device is arranged below an air inlet of the flue main fan.

In order to avoid rainwater entering the public flue, a host hood is installed at the top of the public flue, and is arranged above an air outlet of the flue main fan.

Compared with the prior art, the invention has the advantages that: this central authorities' flue system installs the water pipe in public flue includes that inner tube and cover establish the outer tube outside the inner tube, leave the clearance between inner tube and the outer tube, and the inner tube can axial displacement and make the liquid outlet of interior outer tube coincide mutually under the cleaning condition, this moment under hydraulic effect, rivers can spray toward the flue wall through the liquid outlet, the greasy dirt that is stained with on the flue is given and is washd, in addition, the water pipe can also regard as the conducting tube that realizes signal transmission between main control system and electric check valve control system, thereby guarantee that the signal is reliable, timely transmission and feedback.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial schematic view of an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a water pipe according to an embodiment of the present invention;

FIG. 4 is an exploded perspective view of the water tube of FIG. 3;

FIG. 5 is a cross-sectional view of the water tube shown in FIG. 3;

fig. 6 is an enlarged schematic view of a portion a of fig. 5.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to fig. 6, the central flue system in the present embodiment includes a common flue 1 and a branch flue pipe 2, and the branch flue pipe 2 is used to communicate the common flue 1 with an air outlet of a range hood (not shown in the drawings) on each floor. The top of the common flue 1 is provided with a flue main fan 3 and a main control system 4, and the branch flue 2 is provided with an electric check valve 5 and an electric check valve control system 6. The top of the public flue 1 is provided with a centralized purification device 13, the centralized purification device 13 is arranged below the air inlet of the flue main fan 3, and after the centralized purification device 13 is arranged, the flue gas in the public flue 1 can be purified and then discharged. In addition, a main engine hood 13 is installed at the top of the public flue 1, a main engine hood 14 is arranged above an air outlet of the flue main air blower 3, and rainwater can be prevented from entering the public flue 1 after the main engine hood 14 is installed.

The water tank 7 is installed on the top of a building, water or cleaning liquid can be injected into the water tank 7, the liquid container 8 is installed at the bottom of the public flue 1, the switch valve 11 is installed at the outlet of the liquid container 8, the water pipe 9 for communicating the water tank with the liquid container is arranged in the public flue 1 in a penetrating mode, the pressure pump 10 is installed on the water pipe 9, and in the embodiment, the pressure pump 10 is arranged on the water pipe 9 of the corridor and close to the water outlet of the water tank 7. In this embodiment, the water pipe 9 specifically includes an inner pipe 91 and an outer pipe 92 sleeved outside the inner pipe, and a gap is left between the inner pipe 91 and the outer pipe 92, and the size of the gap is 2-4 mm. Open on the pipe wall of inner tube 91 has inner tube liquid outlet 911, and it has outer tube liquid outlet 921 to open on the pipe wall of outer tube 92, and inner tube liquid outlet 911 and outer tube liquid outlet 921 axially staggered distribute, are in the circumference interval evenly distributed of the inner tube liquid outlet 911 along the inner tube pipe wall at the same height, and are in the circumference interval evenly distributed of outer tube liquid outlet 921 along the outer tube pipe wall at the same height. In this embodiment, the interval of the axially adjacent inner tube liquid outlet 911 and the interval of the axially adjacent outer tube liquid outlet 921 are 90-110 mm, and the interval of the axially adjacent inner tube liquid outlet 911 and the axially adjacent outer tube liquid outlet 921 is 15-25 mm.

In order to improve the stability of the pipeline, the wall of the outer pipe 92 is fixed with the inner wall of the public flue 1, the inner pipe is a movable pipe, and the inner pipe can move axially relative to the outer pipe 92 under the driving of the water flow in the inner pipe 91.

In a normal state, the inner tube liquid outlet 911 and the outer tube liquid outlet 921 are in a staggered state. When the public flue 1 needs to be cleaned, water or cleaning liquid in the water tank 7 is injected into the inner pipe through the pressure pump 10, and because the liquid outlets of the inner pipe and the outer pipe are staggered and the installation gap between the inner pipe and the outer pipe is very small, the water or the cleaning liquid in the inner pipe 91 cannot flow outwards under the action of wall tension. When filling up water or washing liquid in inner tube 91 to when reaching certain pressure value, inner tube 91 up moves suitable distance under the effort of the pull that makes progress, makes the liquid outlet of inside and outside pipe coincide mutually, and at this moment, under hydraulic effect, rivers can pass inner tube liquid outlet 911 and outer tube liquid outlet 921 and spray on toward the flue wall, are stained with full greasy dirt for wasing on the flue. When the water pressure in the inner pipe 91 is small, the inner pipe 91 is pushed downwards for a certain distance, so that the liquid outlets of the inner pipe and the outer pipe are staggered, at the moment, the pipeline can be filled with water or cleaning liquid under the action of the pressure pump 10, and then the pipeline can be cleaned again. The cleaned waste liquid flows down along the wall surface of the flue and finally flows into the liquid container 8. The on-off valve 11 is periodically opened to treat the waste liquid in the liquid container 8.

The inner tube and appearance structure of the central flue system of this embodiment can also be used to improve the sealing of the common flue. Specifically, the cleaning device is adopted to spray a liquid coating a onto the wall surface of the flue, then spray a coating b onto the wall surface of the flue, and the two coatings a and b are solidified after being contacted and adhered to the wall surface, so that the effects of sealing and smoothing the wall surface are achieved. Several layers of coatings a and b can be sprayed alternately, so that the adhesion of the coatings on the wall surface of the flue is improved.

The water pipe structure of the central flue system of this embodiment can also be used to improve the reliability of signal transmission between the main control system 4 and the electric check valve control system 6. The method specifically comprises the following steps: the water pipe 9 adopts a metal pipeline and is used as a conductive pipe, and the signal ends of the main control system 4 and the electric check valve control system 6 realize signal transmission through the conductive pipe. When the range hood is in operation, when the range hood on a certain floor is opened, the electric check valve 5 detects a current signal, the valve plate 51 of the electric check valve 5 is opened to the maximum angle, meanwhile, the electric check valve control system 6 sends a range hood starting signal, the signal is transmitted to the main control system 4 through the water pipe 9, and the main control system 4 can identify the starting state and the starting floor position of the range hood. The main control system 4 determines a valve plate adjustment algorithm according to the start-up rate and the start-up position, and sequentially sends valve plate angle adjustment signals to the electric check valve control systems 6 of all start-up floors. When the range hood is closed, the valve plate 51 of the electric check valve 5 is closed, and meanwhile, a shutdown signal is sent to the main control system 4.

Of course, the signal ends of the main control system 4 and the electric check valve control system 6 can also transmit signals through a metal wire 12 outside the water pipe, and the metal wire 12 is arranged inside the common flue 1 in a penetrating way.

In addition, the water pipe, i.e., the metal pipe of the present embodiment also has the following uses: 1. the wall surface temperature of the metal pipeline is low, so that the metal pipeline has a condensation effect on oil smoke in a flue, the oil smoke separation capacity in the flue is improved, the filtering load of the centralized purification device is reduced, the service life of the centralized purification device is prolonged, and the replacement frequency is reduced; 2. when a fire occurs in the flue, the water spraying function of the pipeline can be adopted to prevent the fire.

Claims

1. The utility model provides a central flue system, includes public flue (1) and branch tobacco pipe (2), branch tobacco pipe (2) are used for communicateing the range hood air outlet of public flue (1) and each floor flue main air fan (3) and main control system (4) are installed to the top of public flue (1) install electronic check valve (5) and electronic check valve control system (6) on branch tobacco pipe (2), its characterized in that: install water tank (7) on the roof, install flourishing liquid container (8) bottom public flue (1), wear to be equipped with in public flue (1) and be used for communicateing water tank and flourishing liquid container's water pipe (9) install force pump (10) on water pipe (9), outer tube (92) outside the tube including inner tube (91) and cover are established in water pipe (9), leave the clearance between inner tube (91) and outer tube (92), it has inner tube liquid outlet (911) to open on the pipe wall of inner tube (91), it has outer tube liquid outlet (921) to open on the pipe wall of outer tube (92), inner tube liquid outlet (911) and outer tube liquid outlet (921) axially staggered distribute, and, the inner tube can outer tube axial displacement relatively under the drive of inside rivers.

2. The central flue system of claim 1 wherein: the inner pipe liquid outlets (911) at the same height are uniformly distributed along the circumferential interval of the pipe wall of the inner pipe, and the outer pipe liquid outlets (921) at the same height are uniformly distributed along the circumferential interval of the pipe wall of the outer pipe.

3. The central flue system of claim 1 wherein: the interval of the axially adjacent inner tube liquid outlet (911) and the interval of the axially adjacent outer tube liquid outlet (921) are both 90-110 mm, and the interval of the axially adjacent inner tube liquid outlet (911) and the axially adjacent outer tube liquid outlet (921) is 15-25 mm.

4. The central flue system of claim 1 wherein: the clearance between the inner pipe (91) and the outer pipe (92) is 2-4 mm.

5. The central flue system of claim 1 wherein: the pipe wall of the outer pipe (92) is fixed with the inner wall of the public flue (1).

6. The central flue system of claim 1 wherein: and a switch valve (11) is arranged at the outlet of the liquid container (8).

7. The central flue system of claim 1 wherein: the water pipe (9) is a conductive pipe, and signal transmission of the main control system (4) and the signal end of the electric check valve control system (6) is realized through the conductive pipe.

8. The central flue system of claim 1 wherein: and a metal wire (12) is installed in the common flue (1), and signal transmission of the main control system (4) and the signal end of the electric check valve control system (6) is realized through the metal wire (12).

9. The central flue system of claim 1 wherein: the top of the public flue (1) is provided with a centralized purification device (13), and the centralized purification device (13) is arranged below an air inlet of the flue main fan (3).

10. The central flue system of any one of claims 1 to 9 wherein: the top of the public flue (1) is provided with a host hood (14), and the host hood (14) is arranged above an air outlet of the flue main fan (3).