CN115096126A - Automatic cleaning device for air conditioning unit runner heat recovery box and control method - Google Patents

Automatic cleaning device for air conditioning unit runner heat recovery box and control method Download PDF

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Publication number
CN115096126A
CN115096126A CN202210693779.4A CN202210693779A CN115096126A CN 115096126 A CN115096126 A CN 115096126A CN 202210693779 A CN202210693779 A CN 202210693779A CN 115096126 A CN115096126 A CN 115096126A
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CN
China
Prior art keywords
air
explosion
proof
heat recovery
electromagnetic valve
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Pending
Application number
CN202210693779.4A
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Chinese (zh)
Inventor
唐克争
陈霞
秦世渊
王志国
刘九龙
张正升
马书和
杨如惠
朱晓
刁林
吴亚洲
吴建伟
吕保卫
陈喜君
宋汶沂
魏志峰
杨娜
郧立献
耿红阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Henan Industrial Co Ltd
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China Tobacco Henan Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Tobacco Henan Industrial Co Ltd filed Critical China Tobacco Henan Industrial Co Ltd
Priority to CN202210693779.4A priority Critical patent/CN115096126A/en
Publication of CN115096126A publication Critical patent/CN115096126A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/003—Control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/02—Supports for cleaning appliances, e.g. frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/04—Feeding and driving arrangements, e.g. power operation
    • F28G15/06—Automatic reversing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses an automatic cleaning device and a control method for a runner heat recovery box of an air conditioning unit. The invention obviously improves the heat exchange capacity of the runner heat recovery box, can not only effectively reduce the energy consumption of an air conditioning system, but also prolong the service life of the runner heat recovery box.

Description

Automatic cleaning device for air conditioning unit runner heat recovery tank and control method
Technical Field
The invention relates to the field of cigarette manufacturing, in particular to an automatic cleaning device for a rotary wheel heat recovery box of an air conditioning unit and a control method.
Background
When a rotating wheel heat recovery box (a rotating wheel heat recoverer) of an air conditioning system of a cigarette enterprise operates in summer and winter, the exhaust air of the air conditioning system is subjected to heat recovery through the rotating wheel heat recovery box, and fresh air is subjected to heat exchange after passing through the rotating wheel heat recovery air conditioning box, so that the energy consumption of an air conditioner is reduced. The rotary wheel heat recoverer is used as an important energy-saving component of the air conditioning system, can recover 70-90% of exhaust potential heat of the air conditioner, and can obviously reduce energy consumption of the air conditioning system.
Because the interior of the runner heat recovery box is cellular, the smoke dust in the air duct is old and easy to block in the air duct in the actual operation process, the heat energy exchange which affects nearly 30% -40% increases the operation energy consumption of the air conditioning system, the air conditioning system is often required to be shut down for manual cleaning, but the efficiency of the heat recovery device is not easy to control in the operation, the steam heater is excessively used, and great energy waste exists.
Therefore, how to effectively improve the heat recovery efficiency of the air conditioning unit becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
In view of the above, the present invention aims to provide an automatic cleaning device for a heat recovery box of a wheel of an air conditioning unit and a control method thereof, so as to solve the aforementioned technical problems.
The technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides an automatic cleaning device for a heat recovery tank of a wheel of an air conditioning unit, comprising: the air conditioner comprises a differential pressure sensor, an air injection assembly, an original machine controller of an air conditioning system, a driving air path and a purging air path, wherein the differential pressure sensor is arranged at a rotating wheel heat recovery tank;
the driving air path comprises a first stop valve, an explosion-proof electromagnetic valve, a five-port two-position valve and a rodless sliding cylinder which are connected in sequence, wherein the rodless sliding cylinder is horizontally arranged on one side of the rotating wheel heat recovery tank through a fixing support and is opposite to the rotating wheel heat recovery tank, and the air injection assembly is fixed on a sliding seat of the rodless sliding cylinder;
the purging gas circuit comprises a second stop valve, a compressed air collecting tank, a first explosion-proof pulse electromagnetic valve and a second explosion-proof pulse electromagnetic valve; the second stop valve is connected with an inlet of the compressed air collecting tank and used for inputting gas into the compressed air collecting tank through a compressed air pipeline; the outlet of the compressed air gas collecting tank is respectively connected with the inlets of the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve, and the outlets of the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve are respectively connected with the gas injection assembly;
the pressure difference sensor, the explosion-proof electromagnetic valve, the five-port two-position valve, the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve are respectively in electric signal connection with an original machine controller of the air-conditioning system.
In at least one possible implementation manner, the gas injection assembly comprises a first gas cavity and a second gas cavity which are separated by a partition plate, and nozzles which are communicated with each other in a one-to-one correspondence manner through a plurality of bases, and the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve are respectively connected with the first gas cavity and the second gas cavity through pipelines.
In at least one possible implementation thereof, the nozzle is a universal fan nozzle.
In at least one possible implementation manner, the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve are respectively connected with the first air cavity and the second air cavity through quick connectors.
In at least one possible implementation manner, a first air source processor is connected between the first stop valve and the explosion-proof electromagnetic valve.
In at least one possible implementation, a second air source processor is connected between the second shut-off valve and the compressed air collection tank.
In at least one possible implementation manner, the pipelines in the driving air path and the purging air path comprise hoses.
In a second aspect, the present invention provides a cleaning control method based on the automatic cleaning device, which includes:
step S1, detecting the wind pressure difference of the wind inlet and outlet sides of the runner heat recovery box by a pressure difference sensor;
step S2, when the wind pressure difference is larger than a preset lower limit threshold value, triggering an explosion-proof electromagnetic valve, a first explosion-proof pulse electromagnetic valve and a second explosion-proof pulse electromagnetic valve to open, and controlling the five-port two-position valve to act, so that compressed air is divided into two paths to respectively supply air to the air injection assembly, and the five-port two-position valve drives a rodless sliding cylinder to drive the air injection assembly to move back and forth;
step S3, monitoring the change of the wind pressure difference in real time in the blowing process;
and step S4, when the air pressure difference is recovered to a preset pressure difference standard value, triggering the explosion-proof solenoid valve, the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve to be closed, and controlling the five-port two-position valve to stop outputting to the rodless sliding air cylinder so as to stop the automatic cleaning operation.
The main design concept of the invention is that the pressure difference sensor detects the air pressure difference at two sides of the runner heat recovery box, when the air pressure difference is larger, the five-port two-position valve is opened by the explosion-proof electromagnetic valve, the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve in the driving air circuit and the purging air circuit to act, so that compressed air is supplied to the air injection assembly through two independent paths respectively, and the five-port two-position valve drives the rodless sliding cylinder to drive the air injection assembly on the air injection assembly to move back and forth, thereby realizing the automatic cleaning of the runner heat recovery box. The invention obviously improves the heat exchange capacity of the runner heat recovery box, can not only effectively reduce the energy consumption of an air conditioning system, but also prolong the service life of the runner heat recovery box.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an automatic cleaning device for a heat recovery tank of a rotating wheel of an air conditioning unit according to an embodiment of the present invention;
fig. 2 is a flowchart of a cleaning control method for a heat recovery tank of a wheel of an air conditioning unit according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The present invention proposes an embodiment of an automatic cleaning device for a heat recovery tank of a wheel of an air conditioning unit, specifically, as shown in fig. 1, comprising: a differential pressure sensor installed at the runner heat recovery tank, an air injection assembly facing the runner heat recovery tank, an original machine controller 200 (such as a PLC) of an air conditioning system, and a driving gas circuit and a purging gas circuit respectively connected with the compressed air pipeline 100;
the driving air path comprises a first stop valve 1, an explosion-proof electromagnetic valve 2, a five-port two-position valve 3 and a rodless sliding cylinder 4 which are connected in sequence, wherein the rodless sliding cylinder 4 is horizontally arranged on one side of the rotating wheel heat recovery box through a fixed support and is opposite to the rotating wheel heat recovery box, and the air injection assembly is fixed on a sliding seat of the rodless sliding cylinder 4;
the purging gas circuit comprises a second stop valve 5, a compressed air gas collection tank 6, a first explosion-proof pulse electromagnetic valve 7 and a second explosion-proof pulse electromagnetic valve 8; the second stop valve 5 is connected with an inlet of the compressed air collecting tank 6 and is used for inputting gas into the compressed air collecting tank 6 through a compressed air pipeline 100; an outlet of the compressed air gas collection tank 6 is respectively connected with inlets of the first explosion-proof pulse electromagnetic valve 7 and the second explosion-proof pulse electromagnetic valve 8, and outlets of the first explosion-proof pulse electromagnetic valve 7 and the second explosion-proof pulse electromagnetic valve 8 are respectively connected with the gas injection assembly;
the pressure difference sensor, the explosion-proof electromagnetic valve 2, the five-port two-position valve 3, the first explosion-proof pulse electromagnetic valve 7 and the second explosion-proof pulse electromagnetic valve 8 are respectively in electric signal connection (dotted lines) with the original machine controller 200 of the air conditioning system.
Specifically, the air injection assembly comprises a first air cavity 11 and a second air cavity 12 which are separated by a partition plate 10, and nozzles 14 which are correspondingly communicated with each other one by one through a plurality of bases 13, wherein the first explosion-proof pulse electromagnetic valve 7 and the second explosion-proof pulse electromagnetic valve 8 are respectively connected with the first air cavity 11 and the second air cavity 12 through pipelines.
In order to further improve the purging effect on the runner heat recovery tank, the nozzle 14 is preferably a universal fan nozzle.
For the convenience of the connection operation, the first explosion-proof pulse solenoid valve 7 and the second explosion-proof pulse solenoid valve 8 are connected to the first air chamber 11 and the second air chamber 12 through quick-mounts 15, respectively.
Preferably, a first air source processor 16 is further connected between the first stop valve 1 and the explosion-proof electromagnetic valve 2. Of course, a second air source processor 17 may also be connected between the second stop valve 5 and the compressed air vapor collecting tank 6, and it is understood that the air source processor may be a filter, and in other embodiments, the air source processor may also have a dehumidification function or a pressure regulation function.
Finally, it can be added that, based on the actual usage scenario of the heat recovery tank of the rotary wheel, in some preferred embodiments of the present invention, the pipelines in the driving gas circuit and the purging gas circuit include hoses, and for example, a high-pressure hose may be connected after the explosion-proof solenoid valve 2, the first explosion-proof pulse solenoid valve 7, and the second explosion-proof pulse solenoid valve 8, where the high pressure refers to the pressure of the compressed air for purging.
Corresponding to the above embodiments, there is also provided an automatic cleaning control method for a heat recovery box of a wheel of an air conditioning unit, as shown in fig. 2, including:
step S1, detecting the wind pressure difference of the wind inlet and outlet sides of the runner heat recovery box by a pressure difference sensor;
step S2, when the wind pressure difference is larger than a preset lower limit threshold, triggering an explosion-proof solenoid valve, a first explosion-proof pulse solenoid valve and a second explosion-proof pulse solenoid valve to open, and controlling the action of a five-port two-position valve, so that compressed air is divided into two paths to respectively supply air to a gas injection assembly, and the five-port two-position valve drives a rodless sliding cylinder to drive the gas injection assembly to reciprocate;
step S3, monitoring the change of the wind pressure difference in real time in the blowing process;
and step S4, when the air pressure difference is recovered to a preset pressure difference standard value, triggering the explosion-proof solenoid valve, the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve to be closed, and controlling the five-port two-position valve to stop outputting to the rodless sliding air cylinder so as to stop the automatic cleaning operation.
In summary, the main design concept of the present invention is that the differential pressure sensor detects the wind pressure difference at two sides of the runner heat recovery tank, and when the wind pressure difference is large, the five-port two-position valve is opened by the explosion-proof solenoid valve, the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve in the driving gas circuit and the purging gas circuit, so that the compressed air is supplied to the air injection assembly through two independent paths, and the rodless sliding cylinder is driven by the five-port two-position valve to drive the air injection assembly thereon to reciprocate, thereby achieving the automatic cleaning of the runner heat recovery tank. The invention obviously improves the heat exchange capacity of the runner heat recovery box, can not only effectively reduce the energy consumption of an air conditioning system, but also prolong the service life of the runner heat recovery box.
In the embodiments of the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a and b, a and c, b and c or a and b and c, wherein a, b and c can be single or multiple.
The structure, features and effects of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the above embodiments are only preferred embodiments of the present invention, and it should be understood that the technical features related to the above embodiments and the preferred modes thereof can be reasonably combined and configured into various equivalent schemes by those skilled in the art without departing from and changing the design idea and technical effects of the present invention; therefore, the invention is not limited to the embodiments shown in the drawings, and all the modifications and equivalent embodiments that can be made according to the idea of the invention are within the scope of the invention as long as they are not beyond the spirit of the description and the drawings.

Claims (8)

1. An automatic cleaning device for a heat recovery tank of a runner of an air conditioning unit, comprising: the air conditioner comprises a differential pressure sensor, an air injection assembly, an original machine controller of an air conditioning system, a driving air path and a purging air path, wherein the differential pressure sensor is arranged at a rotating wheel heat recovery tank;
the driving air path comprises a first stop valve, an explosion-proof electromagnetic valve, a five-port two-position valve and a rodless sliding cylinder which are connected in sequence, wherein the rodless sliding cylinder is horizontally arranged on one side of the rotating wheel heat recovery tank through a fixing support and is opposite to the rotating wheel heat recovery tank, and the air injection assembly is fixed on a sliding seat of the rodless sliding cylinder;
the purging gas circuit comprises a second stop valve, a compressed air collecting tank, a first explosion-proof pulse electromagnetic valve and a second explosion-proof pulse electromagnetic valve; the second stop valve is connected with an inlet of the compressed air collecting tank and used for inputting gas into the compressed air collecting tank through a compressed air pipeline; the outlet of the compressed air gas collecting tank is respectively connected with the inlets of the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve, and the outlets of the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve are respectively connected with the gas injection assembly;
the pressure difference sensor, the explosion-proof electromagnetic valve, the five-port two-position valve, the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve are respectively in electric signal connection with an original machine controller of the air-conditioning system.
2. The automatic cleaning device for the heat recovery box of the runner of the air conditioning unit according to claim 1, wherein the air injection assembly comprises a first air cavity, a second air cavity and nozzles, the first air cavity and the second air cavity are separated by a partition plate, the nozzles are correspondingly communicated and arranged one by one through a plurality of bases, and the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve are respectively connected with the first air cavity and the second air cavity through pipelines.
3. The automatic cleaning device for a heat recovery tank of a wheel of an air conditioning unit according to claim 2, wherein the nozzle is a universal fan nozzle.
4. The automatic cleaning device for a heat recovery box of a wheel of an air conditioning unit according to claim 2, wherein the first explosion-proof pulse solenoid valve and the second explosion-proof pulse solenoid valve are respectively connected with the first air cavity and the second air cavity through quick connectors.
5. The automatic cleaning device for a heat recovery tank of a wheel of an air conditioning unit according to claim 1, wherein a first air source processor is connected between the first shut-off valve and the explosion-proof solenoid valve.
6. The automatic cleaning apparatus for a heat recovery tank of a wheel of an air conditioning unit according to claim 1, wherein a second air source processor is connected between the second shut-off valve and the compressed air collector tank.
7. The automatic cleaning device for the heat recovery tank of the air conditioning unit runner of any one of claims 1 to 6, wherein the pipelines in the driving gas path and the purging gas path comprise hoses.
8. A cleaning control method for an automatic cleaning device according to any one of claims 1 to 7, comprising:
step S1, detecting the wind pressure difference of the wind inlet and outlet sides of the runner heat recovery box by a pressure difference sensor;
step S2, when the wind pressure difference is larger than a preset lower limit threshold value, triggering an explosion-proof electromagnetic valve, a first explosion-proof pulse electromagnetic valve and a second explosion-proof pulse electromagnetic valve to open, and controlling the five-port two-position valve to act, so that compressed air is divided into two paths to respectively supply air to the air injection assembly, and the five-port two-position valve drives a rodless sliding cylinder to drive the air injection assembly to move back and forth;
step S3, monitoring the change of the wind pressure difference in real time in the blowing process;
and step S4, when the air pressure difference is recovered to a preset pressure difference standard value, triggering the explosion-proof electromagnetic valve, the first explosion-proof pulse electromagnetic valve and the second explosion-proof pulse electromagnetic valve to be closed, and controlling the five-port two-position valve to stop outputting to the rodless sliding cylinder so as to stop the automatic cleaning operation.
CN202210693779.4A 2022-06-18 2022-06-18 Automatic cleaning device for air conditioning unit runner heat recovery box and control method Pending CN115096126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210693779.4A CN115096126A (en) 2022-06-18 2022-06-18 Automatic cleaning device for air conditioning unit runner heat recovery box and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210693779.4A CN115096126A (en) 2022-06-18 2022-06-18 Automatic cleaning device for air conditioning unit runner heat recovery box and control method

Publications (1)

Publication Number Publication Date
CN115096126A true CN115096126A (en) 2022-09-23

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ID=83291693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210693779.4A Pending CN115096126A (en) 2022-06-18 2022-06-18 Automatic cleaning device for air conditioning unit runner heat recovery box and control method

Country Status (1)

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CN (1) CN115096126A (en)

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