Sewage filtering system and method suitable for water source heat pump air-conditioning unit

An air-conditioning unit and water source heat pump technology, which is applied in household heating, heating methods, filtration and separation, etc., can solve the problems of air-conditioning unit blockage and equipment failure, and achieve the effects of low manufacturing cost, compact structure and simple production process

Inactive Publication Date: 2014-08-27
刘辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that directly using urban sewage and surface water as the water source of the water source heat pump air conditioning unit will cause the blockage of the air conditioning unit, and further lead to the failure of normal operation of the equipment, and provides a sewage water source suitable for the water source heat pump air conditioning unit Filtration system and filtration method

Method used

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  • Sewage filtering system and method suitable for water source heat pump air-conditioning unit
  • Sewage filtering system and method suitable for water source heat pump air-conditioning unit
  • Sewage filtering system and method suitable for water source heat pump air-conditioning unit

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specific Embodiment approach 1

[0036] Specific implementation mode one: the following combination figure 1 , figure 2 and Figure 7 Describe this embodiment, the sewage filtration system applicable to the water source heat pump air conditioning unit described in this embodiment, it includes the heat pump air conditioning unit 1, it also includes the sewage pump 2, the first liquid flow direction controller 3-1, the first electric pilot Reversing actuator 3-2, first sewage filter 4-1, second sewage filter 4-2, second liquid flow direction controller 5-1, second electric pilot reversing actuator 5-2, the second Three liquid flow direction controllers 6-1, a third electric pilot reversing actuator 6-2, a first differential pressure sensor 7-1, a second differential pressure sensor 7-2 and a PLC controller 8,

[0037] The sewage pump 2 is used to introduce sewage from the sewage source, the outlet of the sewage pump 2 is connected to the I port of the first liquid flow direction controller 3-1, and the O por...

specific Embodiment approach 2

[0041] Specific Embodiment 2: This embodiment will further describe Embodiment 1. After the PLC controller 8 in this embodiment receives the differential pressure signals output by the first differential pressure sensor 7-1 and the second differential pressure sensor 7-2, the The preset threshold parameters determine the working status of each sewage filter, and then control the corresponding liquid flow direction controller to operate through the electric pilot reversing actuator to realize the control of the water flow direction.

[0042] The PLC controller 8 realizes the control of the automatic switching and cleaning of the two sewage filters, and its internal settings can be divided into four parts: data acquisition module, control module, display module and execution module. The data collected by the acquisition module includes the differential pressure signal transmitted by the differential pressure sensor, and the signals collected by the temperature sensor and the flow...

specific Embodiment approach 3

[0043] Specific implementation mode three: the following combination image 3 and Figure 4 Describe this embodiment, this embodiment will further explain Embodiment 1 or 2, the first liquid flow direction controller 3-1 is a two-position four-way reversing valve; the second liquid flow direction controller 5-1 and The third liquid flow direction controllers 6-1 are all two-position three-way reversing valves.

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Abstract

The invention discloses a sewage filtering system and method suitable for a water source heat pump air-conditioning unit, and belongs to the technical field of water resource treatment of the water source heat pump air-conditioning unit. The sewage filtering system and method aim to solve the problem that because municipal sewage or surface water is directly adopted as a water resource of the water source heat pump air-conditioning unit, the air-conditioning unit will be blocked, and consequently equipment can not operate normally. The sewage filtering system comprises the heat pump air-conditioning unit, a sewage pump, a first liquid flow direction controller, a first electric pilot reversing actuator, a first sewage filter, a second sewage filter, a first one-way valve bank, a second one-way valve bank, a first differential pressure pickup, a second differential pressure pickup and a PLC. According to the method, the PLC controls electric pilot reversing actuators correspondingly according to pressure difference signals collected by the two differential pressure pickups in real time so that liquid can flow along the inlets and the outlets of the corresponding liquid flow direction controllers, and then control over the water flow direction can be achieved. The sewage filtering system and method are applied to sewage filtering for the heat pump air-conditioning unit.

Description

technical field [0001] The invention relates to a sewage filtering system and a filtering method suitable for water source heat pump air conditioning units, and belongs to the technical field of water source treatment of water source heat pump air conditioning units. Background technique [0002] Water source heat pump is a high-efficiency energy-saving air-conditioning system that uses underground shallow geothermal resources to provide both heating and cooling. It can realize the transfer of low-temperature heat energy to high-temperature heat energy by inputting a small amount of high-grade energy. Urban sewage and surface water contain abundant low-level, renewable clean energy. Using it as the cold and heat source of the heat pump, as the energy for building heating and air conditioning to be developed and utilized, has huge energy saving, environmental protection space and economic value . [0003] The water quality of urban sewage and surface water is poor, containin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/12B01D37/04F24F13/28F24F11/02F25B41/00F25B41/40
Inventor 刘辉吴荣华肖玉生
Owner 刘辉
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