CN201844473U - Partial-load variable flow control system for underground heating system - Google Patents
Partial-load variable flow control system for underground heating system Download PDFInfo
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- CN201844473U CN201844473U CN2010205613165U CN201020561316U CN201844473U CN 201844473 U CN201844473 U CN 201844473U CN 2010205613165 U CN2010205613165 U CN 2010205613165U CN 201020561316 U CN201020561316 U CN 201020561316U CN 201844473 U CN201844473 U CN 201844473U
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Abstract
The utility model discloses a partial-load variable flow control system for an underground heating system. Each branch water distributor is connected with a branch pipeline by a Y-shaped distributor, at least one path of branch pipeline is connected on a branch water port of each Y-shaped distributor, each branch water distributor is provided with corresponding Y-shaped distributor which is connected with the branch pipeline, wherein at least one path of branch pipeline is provided with a return water temperature control valve, and all the branch pipelines on the two branches connected on the same Y-shaped distributor correspond to the same heating space. In the utility model, the circular water supply quantity can be changed according to the change of heat load needed by the environment, so that the heat supply load output can be changed or adjusted, thus further avoiding the defect that the system always runs at full load under any work conditions, realizing the variable flow running, being small in fluctuation of environment temperature, not only improving the comfortable level, but also meeting the energy saving effect.
Description
Technical field
The utility model relates to a kind of ground heating part load flow amount control system, native system can be regulated flow automatically according to different operating conditions and seasonal variations, adjust heat supply output with terminal load variations, thereby realize energy-conservationly, belong to HVAC heating (floor heating) systems technology field.
Background technology
Floor heating system is as a kind of mode of heat supply, its operation principle is: the hot water (heating agent) that comes out from boiler enters the water knockout drum assembly by main heat supply pipeline, the water knockout drum assembly is made up of some cover branch road water knockout drums, the branch road water knockout drum enters the distributor in each concrete room as hot water, its outlet is connecting the floor heating coil pipe that enters each room, the concrete recuperation layer that hot water covers by floor heating coil pipe conduction heat, then reach the purpose of heating, get back to boiler circulation heating by water return pipeline and water collector assembly more at last with photothermal form heat rooms air.
Because different season and behaviours in service, the heating demand that same room needs is in the variation, and the heating demand in different months is different, will be greater than November as the heating demand in December.Even on the same day, the heating demand that day and night needs also is different.Often the thermic load that needs of initial start stage is far longer than the heating demand of keeping design temperature after the intensification, and usually the design load all is that load when starting according to heating designs, that is to say, such load is just too big in order to the temperature load of keeping setting after heating up, does not meet comfortable, energy-conservation design principle.In theory, constantly the heating demand that changes needs heating system this to be carried out the adaptability adjusting, but existing floor heating system generally is a room one tunnel heat supply loop, and this loop is by maximum heating load design, and this loop is opened or closed, has only the switching two states, to the thermic load bad adaptability that the room constantly changes, environmental temperature fluctuation is big, has influenced comfort level, and the energy consumption height, be unfavorable for energy-conservation.
Though the design of adopting the multichannel loop is also arranged in the bigger single room of some area, and this mainly is based on the consideration that reduces crushing.Because room area is big more, the coil pipe loop that needs is long more.Satisfying under the identical working condition, loop is long more, and crushing is just big more.Usually adopt the coil design of two-way loop to compare a loop design in order to reduce the loop crushing, then increased branch, water collector loop number, therefore can increase branch, water collector cost (also comprising the cost that increases supporting flowmeter, actuator etc. simultaneously).
The utility model content
At the prior art above shortcomings, the purpose of this utility model provides a kind of ground heating system sub-load unsteady flow amount control system that can regulate flow according to different operating conditions and seasonal variations automatically.
The technical solution of the utility model is achieved in that ground heating system sub-load unsteady flow amount control system, it comprises the branch road water knockout drum of plurality of parallel and the branch road water collector corresponding with the branch road water knockout drum, each branch road water knockout drum is connected with the bypass line that enters the heating space, it is characterized in that: each branch road water knockout drum connects bypass line by Y type distributor, the bypass line that connects on the branch mouth of a river of each Y type distributor is at least one tunnel (being generally one to three tunnel), each branch road water collector is provided with corresponding Y type distributor and is connected with bypass line, wherein at least one road bypass line is provided with the return water temperature control valve near Y type distributor one end on the branch road water collector, presets maybe and can regulate return water temperature; All bypass line correspondences that are connected in two branches of same Y type distributor same heating space.Be that each heating space has two-way or three tunnel floor heating coil pipes at least, the backwater pipeline section of wherein a road or two-way coil pipe was equipped with the return water temperature control valve before water collector.The return water temperature control valve can so just can change the loop output according to the variation of the required thermic load of environment according to presetting or adjustable return water temperature shutoff water route, so as to changing or regulating heating demand output, reach the purpose of energy-saving design; Environmental temperature fluctuation is little, has both improved comfort level, has satisfied energy-saving effect again.
The utility model is divided into two the pipeline in heating space by Y type distributor or three, and the backwater end at least one road is provided with the return water temperature control valve therein, presets or adjustable return water temperature.Compared to existing technology, the utlity model has following advantage:
1. when return water temperature rises to the critical-temperature of return water temperature control valve design (presetting or adjustable return water temperature), backwater temperature control control valve is closed automatically, the loop of correspondence is cut off, only stay all the other loop works, always thereby avoided no matter the drawback of running at full capacity under which kind of operating mode, realized the operation of unsteady flow amount, energy-saving effect is obvious; Unsteady flow amount operation fluctuations in indoor temperature is little, comfortableness is high, and the temperature fluctuation that has brought by the simple control loop switching of heating space temperature controller when having overcome original technical operation is big, the drawback of comfortableness difference.
2. compare one tunnel long loop, be divided at least that two-way can effectively reduce crushing, guarantee that crushing in reasonable range, so can increase circular flow, guarantees that the heating demand of loop reaches design load.
3. compare originally in order to overcome two cover branch road branches, the water collector structure that crushing adopts, because the utility model only adopts a cover branch road branch, water collector (uniting two into one), so a room (or heating space) can save a cover branch road branch, water collector (also saving supporting flowmeter, actuator simultaneously), under the prerequisite that guarantees the reduction crushing, save mounting cost greatly.
Description of drawings
Fig. 1-the utility model water knockout drum trunk line end structure schematic diagram.
Fig. 2-the utility model water collector trunk line end structure schematic diagram.
Fig. 3-Fig. 2 partial enlarged drawing.
Wherein, 1-water knockout drum trunk line; 2-branch road water knockout drum; The 3-bypass line; 4-Y type distributor; The 5-flowmeter; 6-water collector trunk line; 7-branch road water collector; The 8-actuator; 9-return water temperature control valve.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2 and Fig. 3, from the figure as can be seen, the utility model ground heating system sub-load unsteady flow amount control system, it comprises water knockout drum trunk line 1 and water collector trunk line 6, be provided with the branch road water knockout drum 2 of plurality of parallel on water knockout drum trunk line 1, each branch road water knockout drum 2 correspondence some rooms (or heating space) and is connected with the bypass line 3 that enters this room.Be provided with the branch road water collector 7 of plurality of parallel on water collector trunk line 6, each branch road water collector 7 is corresponding with branch road water knockout drum 2.
In order to carry out heat load adjustment according to actual temperature of return water, the utility model utilizes Y type distributor 4 that a road original loop of room (or heating space) is distributed into two-way at least, be that each branch road water knockout drum 2 connects bypass line 3 by Y type distributor 4, the bypass line 3(that connects on each branch mouth of a river of each Y type distributor 4 is the floor heating coil pipe) be at least one tunnel (being generally one to three tunnel), because each Y type distributor 4 has two branch mouths of a river, so the bypass line 3 that each Y type distributor 4 connects is at least two-way, can reach six the tunnel at most.Each branch road water collector 7 is provided with corresponding Y type distributor 4 and is connected with bypass line 3.In each all bypass line 3 that the branch road water knockout drum is connected with the branch road water collector, have at least one tunnel bypass line, 3 backwater sections (promptly near Y type distributor one end on the branch road water collector) to be provided with return water temperature control valve 9, preset maybe and can regulate return water temperature; All bypass line 3 correspondences that are connected in two branches of same Y type distributor same room (or heating space).Return water temperature control valve 9 can be opened automatically or turn-off according to return water temperature, and when return water temperature rose to the critical-temperature of return water temperature control valve design, the return water temperature control valve was closed automatically, and the loop cut-out with correspondence only stays remaining loop work.No matter and when return water temperature dropped to the critical-temperature of return water temperature control valve design, this return water temperature control valve was opened again automatically, and corresponding loop is started working again, thereby always had avoided the drawback of this room running at full capacity under which kind of state.Establish the return water temperature control valve as for which bypass line 3 backwater sections, promptly which bypass line 3 needs control break-make separately, and is own definite by user's (or design, installation company).
Respectively have only a branch road for the Y type distributor two branch mouths of a river, one of them branch road installs back the coolant-temperature gage control valve, opens or closes according to the return water temperature control loop that presets; For branch mouth of a river of Y type distributor three branch roads are arranged, one of them branch road or two branch roads can install back the coolant-temperature gage control valve, set two return water temperatures that branch road is different, according to variations in temperature, close one or two branch road.
Mark 5 is each branch road water knockout drum 2 corresponding flow meter on the figure, and mark 8 is the actuator of each branch road water collector 7 correspondence.
Native system Y type dispensing arrangement principle and mounting means are similar to water pipe, tracheae installation on the market and use threeway, and three terminals respectively have the attaching nut.
Claims (2)
1. ground heating system sub-load unsteady flow amount control system, it comprises the branch road water knockout drum (2) of plurality of parallel and the branch road water collector (7) corresponding with the branch road water knockout drum, each branch road water knockout drum (2) is connected with the bypass line (3) that enters the heating space, it is characterized in that: each branch road water knockout drum (2) connects bypass line (3) by Y type distributor (4), the bypass line (3) that connects on the branch mouth of a river of each Y type distributor (4) is at least one the tunnel, each branch road water collector (7) is provided with corresponding Y type distributor (4) and is connected with bypass line (3), and wherein at least one road bypass line is provided with the return water temperature control valve near Y type distributor (4) one ends on the branch road water collector; All bypass line correspondences that are connected in two branches of same Y type distributor same heating space.
2. ground heating system sub-load unsteady flow amount control system according to claim 1 is characterized in that: the bypass line (3) that connects on the branch mouth of a river of each Y type distributor (4) is one to three the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205613165U CN201844473U (en) | 2010-10-14 | 2010-10-14 | Partial-load variable flow control system for underground heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205613165U CN201844473U (en) | 2010-10-14 | 2010-10-14 | Partial-load variable flow control system for underground heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201844473U true CN201844473U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205613165U Expired - Lifetime CN201844473U (en) | 2010-10-14 | 2010-10-14 | Partial-load variable flow control system for underground heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201844473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528112A (en) * | 2013-10-31 | 2014-01-22 | 朱杰 | Pipeline graded arrangement system used for water cycle floor heating |
| CN108458388A (en) * | 2017-07-20 | 2018-08-28 | 河间市铭旭机械设备有限公司 | Split type step cycle heat supply method and system |
| CN109373415A (en) * | 2018-11-27 | 2019-02-22 | 承德市兴狮福利机械加工有限公司 | A kind of heat supply water segregator based on solar heating |
-
2010
- 2010-10-14 CN CN2010205613165U patent/CN201844473U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528112A (en) * | 2013-10-31 | 2014-01-22 | 朱杰 | Pipeline graded arrangement system used for water cycle floor heating |
| CN108458388A (en) * | 2017-07-20 | 2018-08-28 | 河间市铭旭机械设备有限公司 | Split type step cycle heat supply method and system |
| CN109373415A (en) * | 2018-11-27 | 2019-02-22 | 承德市兴狮福利机械加工有限公司 | A kind of heat supply water segregator based on solar heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |
|
| CX01 | Expiry of patent term |