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Heating and ventilation system and flow regulation method therefor

A debugging method and HVAC technology, applied in the field of HVAC systems, can solve problems such as difficult implementation and complicated methods, and achieve the effects of high practical value, good heating quality, and reasonable operation methods

Inactive Publication Date: 2013-05-22
卓旦春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It requires digital-to-analog conversion of the signal, which is complex and difficult to implement

Method used

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  • Heating and ventilation system and flow regulation method therefor
  • Heating and ventilation system and flow regulation method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like figure 1 As shown, the HVAC system includes a primary pipe network 1 for connecting with a thermal station 8 and forming a circulation loop, a heat exchanger 7 and a secondary pipe network 2 forming a circulation loop, the primary pipe network 1 and the secondary pipe network 2 are partly located at the heat exchanger 7, and there are several user ends 9 on the secondary pipe network 2, and each user end 9 has a regulating valve 5. In this embodiment, both the primary pipe network 1 and the secondary pipe network 2 have circulation pumps 6 .

[0036] The secondary pipe network 2 is connected in parallel with a bypass pipe network 3 capable of forming a circulation loop, and a number of user terminals 9 are connected in parallel on the bypass pipe network 3, each user end 9 has a regulating valve 5, and the bypass pipe network 3 The inlet has a control valve 4 . There is a control valve 4 at the connection between the bypass pipe network 3 and the secondary pipe n...

Embodiment 2

[0046] This embodiment is basically the same as the first embodiment, except that the primary pipe network 1 is also connected in parallel with a bypass pipe network 3 . And, repeat steps A and B four times.

Embodiment 3

[0048] This embodiment is basically the same as the first embodiment, except that the primary pipe network 1 and the secondary pipe network 2 are connected in parallel with a bypass pipe network 3 . And, repeat steps A and B six times.

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Abstract

The invention provides a heating and ventilation system and a flow regulation method therefor, belongs to the technical field of heating and ventilation projects and solves the problems that the existing heating and ventilation system is inconvenient to construct, regulate and maintain and the flow regulation method is complex. The heating and ventilation system comprises a primary pipe network, a heat exchanger and a secondary pipe network, wherein the primary network is connected to a heating station to form a circulating loop and the secondary pipe network forms another circulating loop. The secondary pipe network is provided with a plurality of user ends. Each user end is provided with a regulating valve. A bypass network which can form a circulating loop is parallelly connected to the primary pipe network and / or the second pipe network. A plurality of user ends are connected to the bypass networks in parallel. An access end of the bypass network is provided with a control valve. The flow regulation method for the heating and ventilation system includes the steps of A, regulation preparation; B, regulation of the secondary pipe network; C, regulation of the bypass network; and D, precise regulation. The heating and ventilation system and the flow regulation method therefor have the advantages of low cost, high regulation precision and the like.

Description

technical field [0001] The invention relates to a HVAC system and a flow debugging method of the HVAC system. Background technique [0002] In order to make effective use of energy and save energy, my country is currently promoting household metering of heating. According to the latest "Technical Regulations for Heat Supply Metering" issued by the state in 2009, the requirements for metering by building, apportionment by household and "on-off time According to the theory of "area method", based on the water supply time of each household's heating system, the total heat supply of the building is allocated, and at the same time, the connection time of each household's on-off valve is recorded and unified. According to the cumulative connection time of each household combined with the supply The thermal area shares the total heat of the building. However, the basis and necessary condition of the on-off time area method is the water conservancy balance of the heating system. Due ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D19/10
Inventor 卓旦春
Owner 卓旦春
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