CN212108607U

CN212108607U - Distributed circulation system based on climate compensation

Info

Publication number: CN212108607U
Application number: CN202020585116.7U
Authority: CN
Inventors: 康旭辉
Original assignee: Xi'an Metcon Technology Co ltd
Current assignee: Xi'an Metcon Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-08
Anticipated expiration: 2030-04-17

Abstract

The embodiment of the application discloses based on climate compensation distributing type circulation system, including the climate compensation controller, the right side fixedly connected with temperature sensor of climate compensation controller, the bottom electric connection of climate compensation controller has the net once, the inside fixed mounting of net once has electrical control valve, heat supply network circulating pump. This based on weather compensation distributed circulation system, the left side fixedly connected with heat source of primary network, the right side of primary network is provided with the heat transfer station, the right side of heat transfer station is provided with the secondary network. The purpose of controlling the water supply temperature is achieved by adjusting the flow of the primary side heat medium, the flow of the primary side water supply is automatically adjusted, the secondary side water supply temperature is indirectly controlled, the quality adjustment purpose is achieved through the adjustment control of the flow, the energy is saved to the maximum, the phenomenon that the indoor temperature fluctuates due to the change of the outdoor environment temperature is avoided, and the purposes of energy conservation and comfort are achieved.

Description

Distributed circulation system based on climate compensation

Technical Field

The application relates to the technical field of heating, in particular to a distributed circulation system based on climate compensation.

Background

The heat supply load belongs to seasonal load, the demand of the heat load changes along with the change of outdoor air temperature, and the traditional heat supply system habitually adopts centralized quality regulation, namely the heat supply system only regulates the temperature of supply and return water of the system with fixed circulation flow (the design flow is the maximum flow) during the whole operation period;

the traditional circulating water pump design is that a single pump system (a plurality of water pumps can be connected in series and in parallel) is designed at a heat source to overcome the resistance of the heat source, a heat supply network and a heat user system, and because the circulating water pump is designed at the heat source, the selected flow and the selected lift of the circulating water pump are the maximum values,

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application proposes a climate compensation based distributed circulation system to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a based on climate compensation distributing type circulation system, includes climate compensation controller, climate compensation controller's right side fixedly connected with temperature sensor, climate compensation controller's bottom electric connection has primary net, the inside fixed mounting of primary net has electrical control valve, heat supply network circulating pump, the left side fixedly connected with heat source of primary net, the right side of primary net is provided with the heat transfer station, the right side of heat transfer station is provided with secondary net, the inside fixed mounting of secondary net has water supply temperature detector, return water temperature detector, the right side fixedly connected with near-end heat consumer of secondary net.

Optionally, the climate compensation controller is electrically connected to the electric control valve and the heat supply network circulating pump in the primary network, respectively, and the climate compensation controller outputs (DC0-10V) signals to control the opening of the electric control valve in a PI/PID manner.

Optionally, the climate compensation controller is of the model MDK-QHBC1-V3.0, and the climate compensation controller is internally preset with adjustment curves under different conditions.

Optionally, a heat source circulation pump is arranged inside the heat source.

Optionally, the water supply temperature detector and the return water temperature detector are respectively electrically connected with the climate compensation controller, the water supply temperature detector is located at the water supply end of the secondary network, and the return water temperature detector is located at the return water end of the secondary network.

Optionally, a far-end hot user is arranged on the right side of the near-end hot user, and hot user circulating pumps are arranged at the front ends of the near-end hot user and the far-end hot user.

The application provides a based on weather compensation distributed circulation system possesses following beneficial effect:

1. this based on weather compensation distributed circulation system reaches the purpose of control water supply temperature through adjusting once heat medium flow, and the automatic adjustment once supplies water flow, and indirect control secondary side water supply temperature passes through throughput control, reaches the purpose of quality control, and the energy saving of maximize avoids outdoor ambient temperature change to cause the undulant phenomenon of indoor temperature, reaches energy-conserving, comfortable purpose.

2. The distributed circulation system based on climate compensation utilizes a distributed circulation technology, and a single circulation pump with three functions of a shoulder heat source, a heat supply network and a heat user, which is arranged at a heat source in the design idea of a traditional circulation water pump, is disassembled into a heat source circulation pump, a heat supply network circulation pump and a heat user circulation pump, the circulation pumps respectively play their roles, the heat source pump is only responsible for water circulation in the heat source, the heat supply network circulation water pump is arranged at a primary network side and is responsible for water circulation of a primary network, the heat user circulation water pump is arranged at a secondary network side and is responsible for water circulation at the user side, so that the invalid power consumption of a pipe network in the heat medium conveying process is eliminated, and the heat medium conveying efficiency is; and each circulating pump can meet the heating requirement under the variable load working condition and realize the effects of energy conservation and electricity conservation to the maximum extent by a variable frequency speed regulation technology.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 illustrates a schematic diagram of a climate compensation based distributed cycle system according to an embodiment of the present application;

in the figure: 1. a climate compensation controller; 2. a temperature sensor; 3. a primary web; 4. an electric control valve; 5. a heat supply network circulation pump; 6. a heat source; 7. a heat source circulating pump; 8. a heat exchange station; 9. a secondary net; 10. a supply water temperature detector; 11. a return water temperature detector; 12. a near-end hot user; 13. a remote hot user; 14. a hot user circulation pump.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the present invention provides a technical solution: a distributed circulation system based on climate compensation comprises a climate compensation controller 1, wherein the model of the climate compensation controller 1 is MDK-QHBC1-V3.0, the interior of the climate compensation controller 1 is preset with adjustment curves under different conditions, the right side of the climate compensation controller 1 is fixedly connected with a temperature sensor 2, the bottom of the climate compensation controller 1 is electrically connected with a primary network 3, an electric regulating valve 4 and a heat network circulating pump 5 are fixedly arranged in the primary network 3, the climate compensation controller 1 is respectively electrically connected with the electric regulating valve 4 and the heat network circulating pump 5 in the primary network 3, the climate compensation controller 1 outputs 4-20mA (DC0-10V) signals to control the opening degree of the electric regulating valve 4 in a PI/PID mode, through the setting of the climate compensation controller 1, when outdoor climate changes, the temperature sensor 2 transmits outdoor temperature information to the climate compensation controller 1, the climate compensation controller 1 outputs 4-20mA (DC0-10V) signals to control the opening of the electric regulating valve 4 in a PI/PID mode according to the change of outdoor environment temperature, the water supply temperature is automatically controlled according to a curve set inside the climate compensation controller 1, unnecessary energy waste is avoided, the left side of the primary network 3 is fixedly connected with a heat source 6, a heat source circulating pump 7 is arranged inside the heat source 6, the right side of the primary network 3 is provided with a heat exchange station 8, the right side of the heat exchange station 8 is provided with a secondary network 9, a water supply temperature detector 10 and a return water temperature detector 11 are fixedly arranged inside the secondary network 9, the water supply temperature detector 10 and the return water temperature detector 11 are respectively used by matching the water supply temperature detector 10 and the return water temperature detector 11, and then the signals are transmitted to the climate compensation controller 1, the mixing proportion of water supply and return is changed, the indoor temperature of a heat user is kept constant, heat supply is carried out according to needs, energy is saved to the maximum degree, a water supply temperature detector 10 and a return water temperature detector 11 are respectively and electrically connected with a climate compensation controller 1, the water supply temperature detector 10 is positioned at the water supply end of a secondary network 9, the return water temperature detector 11 is positioned at the return water end of the secondary network 9, the right side of the secondary network 9 is fixedly connected with a near-end heat user 12, a far-end heat user 13 is arranged at the right side of the near-end heat user 12, heat user circulating pumps 14 are respectively arranged at the front ends of the near-end heat user 12 and the far-end heat user 13, a heat network circulating pump 5, a heat source circulating pump 7 and a heat user circulating pump 14 can adopt a frequency conversion circulating pump to replace a circulating pump frequency converter, the heat network circulating pump 5, the heat source circulating pump 7 and, the heat supply network circulating pump 5 is separately arranged, and the heat source circulating pump 7 and the heat user circulating pump 14 are integrated.

In summary, when the distributed circulation system based on climate compensation is used, when outdoor climate changes, the temperature sensor 2 transmits outdoor temperature information to the climate compensation controller 1, and the climate compensation controller 1 outputs 4-20mA (DC0-10V) signals to control the opening of the electric regulating valve 4 in a PI/PID manner according to the outdoor environment temperature change and the actual temperature difference between the water supply temperature detector 10 and the return water temperature detector 11, so that the system water supply temperature-outdoor temperature is automatically climate compensated, the mixing ratio of the water supply and the return water is changed, and the output water temperature is in accordance with the regulation curve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A climate compensation based distributed circulation system comprising a climate compensation controller (1), characterized by: the utility model discloses a heat exchanger, including climate compensation controller (1), climate compensation controller, heat exchange station (8), heat exchange station (9), heat supply network (9), the inside fixed mounting of secondary network (9) has water supply temperature detector (10), return water temperature detector (11), the right side fixedly connected with near-end heat user (12) of secondary network (9), the bottom electric connection of climate compensation controller (1) has primary network (3), the inside fixed mounting of primary network (3) has electrical control valve (4), heat supply network circulating pump (5), the left side fixedly connected with heat source (6) of primary network (3), the right side of primary network (3) is provided with heat exchange station (8), the right side of heat exchange station (8) is provided with secondary network (9), the inside fixed mounting of secondary network (9).

2. The climate compensation based distributed circulation system of claim 1, wherein: the climate compensation controller (1) is respectively electrically connected with the electric regulating valve (4) and the heat supply network circulating pump (5) in the primary network (3), and the climate compensation controller (1) outputs a 4-20mA or DC0-10V signal to control the opening of the electric regulating valve (4) in a PI/PID mode.

3. The climate compensation based distributed circulation system of claim 1, wherein: the type of the climate compensation controller (1) is MDK-QHBC1-V3.0, and adjusting curves under different conditions are preset in the climate compensation controller (1).

4. The climate compensation based distributed circulation system of claim 1, wherein: and a heat source circulating pump (7) is arranged in the heat source (6).

5. The climate compensation based distributed circulation system of claim 1, wherein: the water supply temperature detector (10) and the return water temperature detector (11) are respectively electrically connected with the climate compensation controller (1), the water supply temperature detector (10) is located at the water supply end of the secondary network (9), and the return water temperature detector (11) is located at the return water end of the secondary network (9).

6. The climate compensation based distributed circulation system of claim 1, wherein: the right side of the near-end heat consumer (12) is provided with a far-end heat consumer (13), and the front ends of the near-end heat consumer (12) and the far-end heat consumer (13) are both provided with a heat consumer circulating pump (14).