JP2005345046A5

JP2005345046A5 -

Info

Publication number: JP2005345046A5
Application number: JP2004167899A
Authority: JP
Filing date: 2004-06-07
Publication date: 2006-08-10
Anticipated expiration: 2024-06-07

Claims

In a deterioration diagnosis system for a heat source device that detects contamination of a heat transfer tube of a heat source device to which cooling water is supplied from the outside, a cooling water inlet temperature detection means for a condenser through which the cooling water of the heat source device is passed, and A cooling water outlet temperature detecting means for the condenser; a refrigerant condensing temperature detecting means for the condenser; and a deterioration diagnosis device for detecting dirt in a heat transfer tube of the condenser, wherein the deterioration diagnosis device includes the condensation From the storage unit for storing the shape data of the condenser, the cooling water inlet temperature of the condenser, the cooling water outlet temperature of the condenser, the refrigerant condensing temperature detected by the respective detection means, and the shape data stored in the storage unit A heat-passage rate calculating means for calculating a heat-passage rate of the condenser;

The deterioration diagnosis system for a heat source device according to claim 1, further comprising a cooling water flow rate detection unit for the condenser, wherein the heat passage rate calculation unit of the deterioration diagnosis apparatus is configured to detect the condenser detected by each of the detection units. Deterioration of a heat source device, wherein the heat passage rate of the condenser is calculated from the cooling water inlet temperature, the condenser cooling water outlet temperature, the refrigerant condensing temperature, the cooling water flow rate, and the shape data stored in the storage unit Diagnostic system.

The deterioration diagnosis system for a heat source device according to claim 1 or 2, wherein the deterioration diagnosis device stores a condensed heat transfer coefficient in the storage part, and a heat transfer rate calculated by the heat transfer rate calculation means, In-pipe heat transfer coefficient calculation means for calculating the heat transfer coefficient in the condenser tube from the shape data of the condenser and the condensation heat transfer coefficient, and the cooling water inlet temperature of the condenser or the condenser detected by each of the detection means An ideal pipe heat transfer coefficient calculating means for calculating the ideal pipe heat transfer coefficient of the condenser from the cooling water outlet temperature, the cooling water flow rate, and the shape data stored in the storage unit, the pipe heat transfer coefficient and the ideal And a heat transfer pipe fouling coefficient calculating means for calculating a heat transfer pipe fouling coefficient of the condenser from the heat transfer coefficient in the pipe.

The deterioration diagnosis system for a heat source device according to any one of claims 1 to 3, wherein the deterioration diagnosis device stores heat in a time series of the heat passage rate of the condenser calculated by the heat passage rate calculation means. It has a passage rate storage means, and the heat passage rate of the condenser, or the relative value or ratio of the heat passage rate of the condenser based on a predetermined time point value, or the heat passage rate of the condenser, A deterioration diagnosis system for a heat source device, comprising a display unit for displaying a value obtained by multiplying a heat transfer area of a condenser which is a part.

4. The deterioration diagnosis system for a heat source device according to claim 3, wherein the deterioration diagnosis device has a fouling coefficient storage means for storing the heat transfer pipe fouling coefficient of the condenser calculated by the heat transfer pipe fouling coefficient calculating means in a time series. A deterioration diagnosis system for a heat source device, comprising: a display unit for displaying a relative value with reference to a predetermined value of a condenser fouling coefficient or a predetermined value of the fouling coefficient of the condenser.

The deterioration diagnosis system for a heat source device according to any one of claims 1 to 5, wherein a data recording unit for recording various data is provided in the heat source device, and the data recording unit and the deterioration diagnosis device are connected to an information communication network. A deterioration diagnosis system for heat source equipment, characterized by being connected via

In the heat source equipment deterioration diagnosis system that detects the contamination of the heat transfer tube of the heat source equipment to which cooling water is supplied from the outside,
Cooling water inlet temperature detection means of the condenser through which the cooling water of the heat source device is passed, cooling water outlet temperature detection means of the condenser, refrigerant condensation temperature detection means of the condenser, and A deterioration diagnosis device for detecting dirt on the heat transfer tube, wherein the deterioration diagnosis device stores the shape data of the condenser and a history of deterioration diagnosis results over time, and the condensation detected by the detection means. A deterioration diagnosis of a heat source device, comprising: a calculation means for calculating a physical quantity related to contamination of the heat transfer tube from the cooling water inlet temperature of the condenser, the outlet temperature of the condenser, and the shape data stored in the storage unit system.

In the deterioration diagnosis system of the heat source device according to claim 7,
The deterioration diagnosis apparatus according to claim 1, wherein the deterioration diagnosis device calculates a time when the heat transfer tube needs to be cleaned based on a history of deterioration diagnosis results with time.