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A HVAC system and its flow debugging method

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

Inactive Publication Date: 2016-03-02
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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  • A HVAC system and its flow debugging method
  • A HVAC system and its flow debugging method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like figure 1 As shown, the HVAC system includes a primary pipe network 1, a heat exchanger 7 and a secondary pipe network 2 for forming a circulation loop, which are connected to the thermal power station 8 and form a circulation loop. The primary pipe network 1 and the secondary pipe network Both parts are located at the heat exchanger 7, and the secondary pipe network 2 has several user terminals 9, and each user terminal 9 has a regulating valve 5. In this embodiment, both the primary pipe network 1 and the secondary pipe network 2 are provided with a circulating pump 6 .

[0036] The secondary pipe network 2 is connected in parallel with a bypass pipe network 3 that can form a circulation loop. A number of user terminals 9 are connected in parallel on the bypass pipe network 3. Each user terminal 9 has a regulating valve 5. The access end has a control valve 4 . A control valve 4 is provided at the connection between the bypass pipe network 3 and the secondary pi...

Embodiment 2

[0046] This embodiment is basically the same as the first embodiment, except that the primary pipe network 1 is also connected with a bypass pipe network 3 in parallel. Also, steps A and B are repeated 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 the bypass pipe network 3 . Also, steps A and B are repeated 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 heating ventilation system and a flow adjustment method of the heating ventilation system. Background technique [0002] In order to make effective use of energy and save energy, my country is currently promoting the measurement of heating by households. 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 apportioned, and the on-off valve on-off time of each household is recorded and unified. The thermal area distributes the total heat of the entire building. However, the basis and necessary condition of the on-off time area method is the water balance of the heating system. Due to the unbalanced flow between households, the difference between the heat consumption effect and the heat charge of the user will be 20%-30%. [0003] my country's central heating has developed to today, and a certain heating mode has been formed. Howev...

Claims

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Application Information

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