CN1283781A - Method for counting consumed calories of user with hot water flowmeter for centralized heating system - Google Patents
Method for counting consumed calories of user with hot water flowmeter for centralized heating system Download PDFInfo
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- CN1283781A CN1283781A CN 99108940 CN99108940A CN1283781A CN 1283781 A CN1283781 A CN 1283781A CN 99108940 CN99108940 CN 99108940 CN 99108940 A CN99108940 A CN 99108940A CN 1283781 A CN1283781 A CN 1283781A
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Abstract
A method for counting the consumed calories of user in centralized heating system with hot water flowmeter fatures that a user's heat exchanger is arranged for each user to form an individual heating system, which is connected to external heating network via valve and metering box of hot water flowmeter. Under the condition of constant water temp of external heating network, the flow of heat medium, which is counted by hot water flowmeter, is just the consumed calories of user.
Description
The inventive method relates to a kind of method of measuring with heat of using hot water gauge to hot user in the central heating system, and a kind of household heat supplying set thus and the heating system form of metering of heat supplied on a household basis.
At present, the heating user in China's central heating system uses heat metering, can't measure and collect according to this water rate and gas charge with water meter and gas meter, but on average collect heating cost according to living space as tap water and coal gas.The requirement that this meterage way incompatibility heating enterprise transforms to market economy (commercialized management.management in accordance with the principle of commercialization).For this reason, domestic existing many units are just actively developing the research of heating system heat metering method.But also there is not a proven technique to be applied to engineering practice so far.For solving this difficult problem, having introduced the Heat distribution meter method of developing with Ruo Peikache company in the recent period abroad is the heating user heat metering technology of representative.It is a kind of indirect heat mensuration, be on every group of heating radiator in two-tube heating system, a calorimetric table that fills certain particular fluid medium is installed, evaporate because of the heat transfer capacity of accepting heating radiator by the liquid medium in the calorimetric table, and according to its what of evaporation capacity in whole heating season, converse the heat dissipation capacity of this group heating radiator, in order to calculate not the heat dissipation capacity of type heating radiator on the same group, must be in advance to various not on the same group the heating radiator of type in experiment, determine a conversion coefficient of heat C, whether the C value is determined correctly, and direct relation the correctness of this heat metering method.This heat metering method is proven technique abroad, but remains in this metering method of some problems (1) with the heat metering that solves China heating user, only be applicable to two-tube heating system, China's overwhelming majority is a single-main distribution, uses this method, and the technological transformation amount is too big.(2) metering is to be unit with every group of heating radiator, is not to be unit with the family, and on every group of heating radiator a temperature-sensing valve and calorimetric table is installed, and not only management is comparatively numb numerous, and makes troubles to the user.(3) the standard disunity of China's heating radiator, the manufacturing process of each factory is disunity also, makes that definite difficulty of various groups of type heating radiator reduction coefficient C is big, error is big, influences the correctness of heat metering.(4) temperature-sensing valve and calorimetric table will be by external introductions, and price is expensive, cost is high, and domestic popularizing is difficult to bear.
The inventive method provides a kind of as measure the water yield and coal gas amount with water meter and gas meter, measures heating user's the heat of using with a hot water gauge.
The inventive method be realize like this with hot water gauge measure the heating user with heat: in each heating with the indoor one family heating system heat-exchanger rig that is provided with, make the heating user form an independently heating system by this heat-exchanger rig, its hydraulic regime is separated with the hydraulic regime of central heating system, with the heating agent of central heating system be thermal source by heat-exchanger rig to each user's heat supply, a hot water gauge on registering one's residence inlet tube, the primary fluid of each user's heat-exchanger rig is set like this, in central heating system regulative mode operation according to quantity, and keep its confession, when backwater heat medium temperature value is constant, what its hot water gauge measured, the heating agent quantity that flows through each user's heat-exchanger rig can be expressed as this heating user's the heat of using, and this measuring principle is to be according to the heat Q that heating agent is supplied with the heating user:
q=C·G(t
1-t
2)
=C·G·△t
The heating load W of q-heating agent wherein
The specific heat C=4187J/kg of C-thermal medium ℃
G-flows into user's heating agent flow kg/h
t
1The supply water temperature of-heating agent ℃
t
2The return water temperature of-heating agent ℃
The △ t-hot blast supply and return water temperature temperature difference ℃
At t
1, t
2Under certification condition, △ t is a definite value, then:
q=C·G·△t=kf(G)
K=C·△t
Be that q is the linear function of flow G, the magnitude relationship of heating agent flow G the size of heat q, and the user then equals following formula integration in time with heat, that is:
Q=K∫
tf(G)
And the product of this an integrated value heating agent flow value that hot water gauge measured just and a constant.Therefore say that the heating agent flow value of available heat water meter measurement calculates and represent user's the heat of using.
The hot water gauge heat metering method of this method invention, can find out by following heating system principle is graphic, this heating system schematic diagram comprises: 1,2 stop valves, 3 hot water gauges, 4 temperature control flow control valves, 5 household heating system in-line pumps, 6 user's heating system pipelines, 7 temperature-sensing elements, 8 user's room heating heating radiators, 9 user domestic hot-water devices, 10 household heating system waters, one water-to-water heat exchanger, 11 volume dampers, 12 fuel-control assemblies, 13 boilers, 14 temperature sensors, 15 stepless change pumps, 16 pressure transducers, 17 central heating system heat-net-pipelines, 18 self force type temperature regulating valves.
The hot water gauge heat metering detailed rules for the implementation of this method invention are as follows: be located at indoor water one water-to-water heat exchanger, the hydraulic regime of the user heating system that will be made up of in-line pump 5, user heating pipeline 6 and heating radiator 8 etc. separates with the hydraulic regime of central heating system 17, and is independent mutually.Thereby for the user heating system moves by the matter regulative mode, with central heating system according to quantity regulative mode operation created condition, when the user heating system carries out matter regulative mode operation when keeping best heating quality, and central heating system regulative mode operation according to quantity, to obtain the maximum energy-saving benefit.Be located at register one's residence temperature-sensing valve 4 on the pipe of user's heat interchanger primary fluid and can regulate and control the influx of primary fluid by the temperature-sensing element 7 that is located at the user heating room according to the temperature value that the user sets.The supply water temperature t of primary fluid
1By the volume damper 11 and the fuel-control assembly 12 that are located on the central heating system thermal source boiler 13, give control by temperature sensor 14.The return water temperature t of primary fluid
2Give to ensure by the self force type temperature regulating valve 18 that is located on the central heating system pipe network 17 backwater mains.Central heating system pipe network 17 hydraulic regimes that the heating agent fluctuations in discharge of bringing owing to the temperature control adjusting causes change, and are regulated by pressure transducer 16 control stepless change pumps 15, to keep the hydraulic regime stable operation of outer net.Because confession, backwater heat medium temperature t
1, t
2Under constant condition, move.Like this, be located at user's heat interchanger primary fluid heating agent flow that hot water gauge 3 on the pipe measured of registering one's residence, promptly can be used to calculate and represent user's the heat of using, this has solved heating user's heat metering problem in the central heating system with regard to foolproof.In order further to improve and optimize the techno-economic effect of the central heating system form that this heat metering method sets, stop valve 1,2 on registering one's residence confession, return pipe, the primary fluid of user's heat interchanger 10 is set, and and hot water gauge 3 be installed in together in the chamber, constitute the combination device that can realize household heat supplying and metering of heat supplied on a household basis.In order to satisfy the request for utilization of user to the domestic hot-water, adopted two-parameter water one water-to-water heat exchanger, set up user domestic hot-water device 9, solved user's heating and domestic hot-water's application problem simultaneously.
Find out thus, the method of heating user's heat amount is measured in realization with hot water gauge, not simply on user's heating pipe, to install a hot water gauge just can realize, it is a systems engineering, it need a specific heating system form, with its specific operation regulative mode, also require the confession of heating system outer net, return water temperature constant, and these conditions have determined the outer net regulative mode operation according to quantity of (1) central heating system.(2) the thermal source boiler of central heating system must move under the constant temperature operating mode.Here must be noted that all these conditions, not only not restrict the performance of central heating system technical economic benefit, the complementary on the contrary development and progress that promotes the central heating technology.Indicated as the method invention, it has not only realized directly measuring with hot water gauge heating user's the heat problem of using, and household heat supplying and metering of heat supplied on a household basis have been realized again simultaneously, for heating enterprise transforms the condition of having created to market economy mechanism, the mode that its determined system outer net is regulated operation according to quantity, for heating system the most effective energy-conservation and obtain the good technical economic benefit and lay a good foundation.What need particularly point out here is: the requirement of adaptation market management mechanism and energy-conservation, it is the main body of current heat supply process progress, in this sense, method with hot water gauge metering heating user's heat amount, with central heating system form, embody a concentrated reflection of and enriched the progressive achievement of heat supply process in modern age by its setting.
Above-mentioned hot water gauge heat metering method is compared with Ruo Peikache Heat distribution meter heat metering method, and it has more following characteristics: it is that the flow of directly measuring heating agent carries out heat metering for (1), and it is more accurate to measure.(2) it is to be that unit carries out heat metering with the family, and method is easier to be suitable for.(3) its metering method is directly perceived, is convenient to management, also is preferably user's welcome and acceptance.(4) its low price, small investment, cost are low, are fit to national conditions.Especially its perfect technically realization household heat supplying and divide the family heat metering, adapted to heating enterprise fully and carried out the requirement of commercialized management.management in accordance with the principle of commercialization.Therefore, will bring bigger economic benefit and the welcome that is subjected to enterprise to enterprise.Certainly, it also will welcome brilliant market developing prospect.
Claims (4)
1, a kind of metering method of utilizing hot water gauge to carry out the heating user's heat amount of central heating system, be with the indoor heat-exchanger rig of establishing in heating, the hydraulic regime of the hydraulic regime of custom system and central heating system separate, irrelevant mutually, make the user form the individual heating system, utilize the heating agent of concentrating for system to make thermal source, by heat-exchanger rig to the heat supply of user's heating system, on heat-exchanger rig primary fluid side is registered one's residence pipe, hot water gauge is installed, is calculated and represent heating user's the heat of using with the heating agent flow of hot water gauge metering.
2, the heat metering method indicated according to claim 1, be in user's heating engineering facility, set up household heating system water one water-to-water heat exchanger, the household heating system pipe circle pump, facilities such as remote sensing temperature control flow control valve and hot water gauge, combine with central heating system, constitute a kind of central heating system form that realizes household heat supplying and metering of heat supplied on a household basis.
3, according to claim 1,2 indicated heat metering methods, go on confession, the return pipe in user's heat supply, be provided with shutdown valve and and hot water gauge be installed in together in the chamber, constitute the device facility of a component family heat supply and metering of heat supplied on a household basis.
4, according to claim 1,2 indicated heat metering methods, the household heating system heat interchanger adopts two-parameter water one water-to-water heat exchanger, and user domestic hot-water device is set, and has solved user's Home Heating and domestic hot-water's application problem simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99108940A CN1111272C (en) | 1999-08-08 | 1999-08-08 | Method for counting consumed calories of user with hot water flowmeter for centralized heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99108940A CN1111272C (en) | 1999-08-08 | 1999-08-08 | Method for counting consumed calories of user with hot water flowmeter for centralized heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1283781A true CN1283781A (en) | 2001-02-14 |
| CN1111272C CN1111272C (en) | 2003-06-11 |
Family
ID=5273607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99108940A Expired - Fee Related CN1111272C (en) | 1999-08-08 | 1999-08-08 | Method for counting consumed calories of user with hot water flowmeter for centralized heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN1111272C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142193A (en) * | 2014-07-31 | 2014-11-12 | 天津大学 | Branch household heat metering method and device based on node mass and energy balance theory |
| CN104219302A (en) * | 2014-09-01 | 2014-12-17 | 黄汴荣 | Heating pipe network heat statistical data decomposition, collecting and transmission system and method |
| CN104807073A (en) * | 2015-05-14 | 2015-07-29 | 秦皇岛市荣创科技发展有限公司 | Wireless remote energy-saving control heat supply metering system |
| CN107327892A (en) * | 2017-08-04 | 2017-11-07 | 内蒙古旭宸能源有限公司 | Solar energy optical-thermal heat-collection heat-supply pipeline |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1272474B (en) * | 1993-07-20 | 1997-06-23 | Neovia S R L | BOILER OF THE SO-CALLED COMBINED HEAT ACCUMULATION TYPE. |
| CN2318593Y (en) * | 1996-10-21 | 1999-05-12 | 许富昌 | Modular spiral-plate heat exchanger |
| CN1182209A (en) * | 1997-10-22 | 1998-05-20 | 张正本 | Separated measuring method for hot-water heating system |
| CN2330988Y (en) * | 1998-07-20 | 1999-07-28 | 天津市美联建筑设计事务所 | Intelligent heat meter |
-
1999
- 1999-08-08 CN CN99108940A patent/CN1111272C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142193A (en) * | 2014-07-31 | 2014-11-12 | 天津大学 | Branch household heat metering method and device based on node mass and energy balance theory |
| CN104219302A (en) * | 2014-09-01 | 2014-12-17 | 黄汴荣 | Heating pipe network heat statistical data decomposition, collecting and transmission system and method |
| CN104219302B (en) * | 2014-09-01 | 2017-07-21 | 黄汴荣 | Heating pipe network heat statistics decomposes acquiring and transmission system and method |
| CN104807073A (en) * | 2015-05-14 | 2015-07-29 | 秦皇岛市荣创科技发展有限公司 | Wireless remote energy-saving control heat supply metering system |
| CN104807073B (en) * | 2015-05-14 | 2017-10-13 | 秦皇岛市荣创科技发展有限公司 | A kind of wireless remote Energy Saving Control power-supply metering system |
| CN107327892A (en) * | 2017-08-04 | 2017-11-07 | 内蒙古旭宸能源有限公司 | Solar energy optical-thermal heat-collection heat-supply pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1111272C (en) | 2003-06-11 |
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