阅读说明：本技术 一种具有补充热源的多级换热系统 (A kind of multi-stage heat exchanger system with supplemental heat source ) 是由 不公告发明人 于 2019-09-20 设计创作，主要内容包括：本发明为一种具有补充热源的多级换热系统,包括补充热源的多级换热系统,通过设置了补充热源,能够提高多级换热器的后级的换热器热源温度,并且不需要增加其他外接的热源,对于换热管程较长的换热器,可以针对性的对靠后的温度达不到需要的管程流体进行加热,通过控制阀门,能够自由调配热源的调配供应,能满足不同温度需求。热源补充控制装置的设置,能够在热源供应满足温度需求时,为一边供热一边蓄热的模式；在热源供应不满足温度需求时,可切换为全供热模式,将前期蓄热供应于后级的换热器,提升热源温度,以满足需要。(The present invention is a kind of multi-stage heat exchanger system with supplemental heat source, multi-stage heat exchanger system including supplemental heat source, by being provided with supplemental heat source, it can be improved the exchanger heat source temperature of the rear class of multi-stage heat exchanger, and do not need to increase other external heat sources, for the longer heat exchanger of tube side that exchanges heat, the tube side fluid that needs targetedly can be not achieved to temperature rearward heats, by control valve, the supply of heat source can be freely deployed, different temperatures demand is able to satisfy.The setting of heat source replenishment control device, can be when heat source be supplied and meets temperature requirements, for the mode accumulationed of heat on one side while heat supply；When heat source supply is unsatisfactory for temperature requirements, it can be switched to full heat supply mode, accumulation of heat early period be supplied in the heat exchanger of rear class, heat source temperature is promoted, to meet needs.)

1. a kind of multi-stage heat exchanger system with supplemental heat source, including primary heating device, First Heat Exchanger, the second heat exchanger, Third heat exchanger, the first mixer, the second mixer, secondary heating device.The outlet I of primary heating device passes through pipeline and the The tube side import of one heat exchanger connects, and is provided with the first mixer and the second mixer, First Heat Exchanger between three heat exchangers Tube side outlet by one end connection of pipeline and the first mixer, the first mixer passes through on pipeline and primary heating device Outlet II is connected to, and triple valve I is provided on pipeline, and the first mixer is connected to by the tube-side inlet of pipeline and the second heat exchanger, The outlet of second heat exchanger tube pass is connected to by pipeline with the second mixer, the pipeline that the first mixer is connected to primary heating device Triple valve I is above provided with pipeline to be connected to the second mixer, triple valve II, the side of the second mixer are provided on pipeline It is connected to by pipeline with third heat exchanger tube pass entrance.

2. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: further, Outlet I and outlet II are provided in primary heating device upper side, the lower end of another side of cartridge heater is provided with import.

3. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: First Heat Exchanger Lower end be provided with outlet, outlet passes through the inlet communication of pipeline and the second heat exchanger upper end, the lower end setting of the second heat exchanger There is outlet, the outlet of the second heat exchanger lower end passes through the inlet communication of pipeline and third heat exchanger upper end.

4. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: secondary heating dress It sets side to connect by pipeline with triple valve II, the other side connects primary heating device import by pipeline.

5. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: the second heat exchanger The cavity of resorption side of rear demarcation plate be thermally connected by circulating line I and secondary heating device, be provided with control on circulating line I Valve processed；The cavity of resorption side of the rear demarcation plate of third heat exchanger is thermally connected by a circulating line II and secondary heating device, is followed Control valve is provided on endless tube road II.

6. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: heat source supplement control Device processed is set to including chamber, fluid inlet, fluid outlet, control valve, and outlet I, outlet II, chamber is separated by control valve For two parts, the outlet plenum connecting with outlet I, the heat accumulation chamber connecting with outlet II is set to primary heating device shell inner wall On, the intracavitary regenerative apparatus of heat accumulation is located at heat accumulation chamber upper fluid outlet valve, the fluid inlet being connected to shell-side fluid.

7. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 2, it is characterised in that: third heat exchanger Tube side outlet pass through pipeline and primary heater inlet communication.

8. a kind of multi-stage heat exchanger system with supplemental heat source according to claim 1, it is characterised in that: First Heat Exchanger The upside compartment of upper demarcation plate is arranged in import, and the lower compartment on the downside of lower demarcation plate is arranged in First Heat Exchanger outlet.

Technical field

The present invention relates to the technical field of multi-stage heat exchanger system, specially a kind of multi-stage heat exchanger system with supplemental heat source System.

Background technique

Summary of the invention

In view of the deficiencies of the prior art, the multi-stage heat exchanger system with supplemental heat source that the present invention provides a kind of, in solution The problem of stating.

To achieve the above object, the invention provides the following technical scheme:

A kind of multi-stage heat exchanger system with supplemental heat source, including primary heating device, First Heat Exchanger, the second heat exchanger, Three heat exchangers, the first mixer, the second mixer, secondary heating device.The outlet I of primary heating device passes through pipeline and first The tube side import of heat exchanger connects,

Further, outlet I and outlet II, the lower end of another side of cartridge heater are provided in primary heating device upper side It is provided with import.

Further, the lower end of First Heat Exchanger is provided with outlet, outlet by pipeline and the second heat exchanger upper end into Mouth connection, the lower end of the second heat exchanger are provided with outlet, and the outlet of the second heat exchanger lower end passes through on pipeline and third heat exchanger The inlet communication at end.

Further, the first mixer and the second mixer, the tube side of First Heat Exchanger are provided between three heat exchangers Outlet passes through the outlet II on pipeline and primary heating device by the connection of one end of pipeline and the first mixer, the first mixer It is connected to, triple valve I is provided on pipeline, by the connection of the tube-side inlet of pipeline and the second heat exchanger, second changes the first mixer Hot device tube side outlet is connected to by pipeline with the second mixer.

Further, on the first mixer and the pipeline of primary heating device connection by triple valve I be provided with pipeline with Second mixer is connected to, and triple valve II is provided on pipeline, and the side of the second mixer passes through pipeline and third heat exchanger tube pass Entrance connection.

Secondary heating device side is connect by pipeline with triple valve II, and the other side connects primary heating device by pipeline Import.

The cavity of resorption side of the rear demarcation plate of second heat exchanger is thermally connected by a circulating line I and secondary heating device, Control valve is provided on circulating line I.

The cavity of resorption side of the rear demarcation plate of third heat exchanger is thermally connected by a circulating line II and secondary heating device, Control valve is provided on circulating line II.

Further, the tube side outlet of third heat exchanger passes through pipeline and primary heating device inlet communication.

Heat source replenishment control device is set to including chamber, fluid inlet, fluid outlet, control valve, outlet I, outlet II, chamber is divided into two parts by control valve, the outlet plenum connecting with outlet I, the heat accumulation chamber connecting with outlet II, is set to just On grade heating device shell inner wall, the intracavitary regenerative apparatus of heat accumulation is located at heat accumulation chamber upper fluid outlet valve, is connected to shell-side fluid Fluid inlet.

The inlet and outlet position of heat-exchanger rig is provided with temperature sensor.

The upside compartment of upper demarcation plate 16 is arranged in First Heat Exchanger import 15, and First Heat Exchanger outlet 19 is arranged under The lower compartment of 17 downside of demarcation plate.

The heat exchanger import of first-third heat exchanger, outlet setting corresponding position are identical.

Compared with prior art, the multi-stage heat exchanger system with supplemental heat source that the present invention provides a kind of, having following has Beneficial effect:

The multi-stage heat exchanger system with supplemental heat source can be improved the rear class of multi-stage heat exchanger by being provided with supplemental heat source Exchanger heat source temperature, and do not need to increase other external heat sources.

For the longer heat exchanger of tube side that exchanges heat, targetedly temperature rearward can be not achieved the tube side fluid of needs It is heated.

By control valve, the supply of heat source can be freely deployed, different temperatures demand is able to satisfy.Heat source supplement control The setting of device processed, can be when heat source be supplied and meets temperature requirements, and multi-stage heat exchanger heat exchange is when can be realized the heat exchange of temperature, For the mode accumulationed of heat on one side while heat supply；Heat source supply be unsatisfactory for temperature requirements when, can be switched to full heat supply mode, will before Phase accumulation of heat is supplied in the heat exchanger of rear class, heat source temperature is promoted, to meet needs.

Detailed description of the invention

Fig. 1 is schematic structural view of the invention；

Fig. 2 is schematic structural view of the invention.

In figure: 1- primary heating device, the outlet 2- I, 3- export II, 4- First Heat Exchanger, the second heat exchanger of 5-, 6- third Heat exchanger, the first mixer of 7-, the second mixer of 8-, 9- triple valve I, 10- triple valve II, 11- grade heating device, 12- are followed Endless tube road I, 13- circulating line II, 14- primary heating device import, 15- First Heat Exchanger import, the upper demarcation plate of 16-, under 17- Demarcation plate, demarcation plate after 18-, the outlet of 19- First Heat Exchanger, 20- connecting tube, 21- regenerative apparatus, 22- fluid inlet, 23- stream Body outlet valve, 24- control valve.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

With reference to Fig. 1-2, a kind of multi-stage heat exchanger system with supplemental heat source, including primary heating device 1, First Heat Exchanger 4, the second heat exchanger 5, third heat exchanger 6, the first mixer 7, the second mixer 8, secondary heating device 11, primary heating device 1 outlet I (2) is connected by pipeline with the tube side import of First Heat Exchanger, is provided with out in primary heating device upper side II (3) of I (2) of mouth and outlet, the lower end of another side of cartridge heater are provided with import, and the lower end of First Heat Exchanger 4 is provided with out Mouthful, outlet passes through the inlet communication of 5 upper end of pipeline and the second heat exchanger, and the lower end of the second heat exchanger 5 is provided with outlet, and second changes The outlet of hot 5 lower end of device passes through the inlet communication of 6 upper end of pipeline and third heat exchanger, and it is mixed to be provided with first between three heat exchangers The tube side outlet of clutch 7 and the second mixer 8, First Heat Exchanger 4 is connected to by one end of pipeline and the first mixer 7, and first Mixer 7 is connected to by pipeline with the outlet II (3) on primary heating device 1, and triple valve I (9) is provided on pipeline, and first is mixed For clutch 7 by the connection of the tube-side inlet of pipeline and the second heat exchanger 5, the outlet of 5 tube side of the second heat exchanger is mixed by pipeline and second Clutch 8 is connected to, and is passed through triple valve I (9) on the pipeline that the first mixer 7 and primary heating device 1 are connected to and is provided with pipeline and the Two mixers 8 are connected to, and triple valve II (10) is provided on pipeline, and the side of the second mixer 8 passes through pipeline and third heat exchanger 6 Tube-side inlet connection, secondary heating device side are connect by pipeline with triple valve II (10), and the other side is connected just by pipeline The cavity of resorption side of grade heating device import, the rear demarcation plate of the second heat exchanger 5 passes through a circulating line I (12) and secondary heating Device 11 is thermally connected, and is provided with control valve on circulating line I (12), the cavity of resorption side of the rear demarcation plate of third heat exchanger 6 passes through One circulating line II (13) and secondary heating device 11 are thermally connected, and are provided with control valve on circulating line II (13), third is changed By pipeline and primary heating device inlet communication, heat source replenishment control device is set to including chamber for the tube side outlet of hot device, Fluid inlet 22, fluid outlet 23, control valve 24 export I (2), export II (3), and chamber is divided into two parts by control valve 24, The outlet plenum connecting with I (2) of outlet, the heat accumulation chamber connecting with II (3) of outlet, is set in primary 1 inner walls of heating device, The intracavitary regenerative apparatus of heat accumulation is located at heat accumulation chamber upper fluid outlet valve, the fluid inlet being connected to shell-side fluid, in heat-exchanger rig Inlet and outlet position be provided with temperature sensor, the upside compartment of upper demarcation plate 16 is arranged in First Heat Exchanger import 15, The lower compartment of lower 17 downside of demarcation plate, heat exchanger import, the outlet of the first-third heat exchanger is arranged in one heat exchanger exit 19 It is identical that corresponding position, which is arranged,.

The course of work: the tube side of heating device 1 primary first is passed through heat source fluid, transfers heat to shell side by tube side Fluid is entered in the outlet plenum of heat source replenishment control device by fluid inlet 22 after shell-side fluid heat exchange, opens control valve 24, heat source fluid a part is exchanged heat, another part heat source fluid enters by I 2 outflow of outlet into First Heat Exchanger 4 Heat accumulation chamber carries out accumulation of heat to heat-storing material, and valve and fluid outlet valve 23 in process control outlet II 3 realize accumulation of heat. Heat source fluid after heat release is returned in the shell of primary heating device 1 by fluid outlet valve 23 and is reheated, on the other hand, heat Source stream body exchanges heat with hot fluid to be added, and hot fluid to be added is gradually heated by connecting tube 20 by the first-third heat exchanger.

When temperature sensor detect First Heat Exchanger outlet 19 temperature required temperature is not achieved when, open outlet II 3 Valve, close fluid outlet valve 23, the outflow of another part fluid enters the first mixer 7 by triple valve I 9, and first Heat source fluid mixing in heat exchanger after heat exchange, improves heat source temperature herein, enters back into the second heat exchanger and exchange heat, equally, Triple valve II 10 is controlled, by heat source fluid by mixing in the second mixer 8, improves heat source temperature.

When temperature sensor detects that the temperature of First Heat Exchanger outlet 19 reaches required temperature, and after the second heat exchanger When set temperature is not achieved in the tube side fluid temperature of lower separation chamber on the downside of demarcation plate 18, control triple valve I 9, triple valve II 10, Heat source fluid is entered into secondary heating device 11 by pipeline, circulating line I (12) heat supply is given, on control loop pipeline I (12) Valve, tube side fluid is transferred heat to, until reaching temperature requirements.Same control mode can be applied to third heat exchange The temperature of device controls.

11 fluid of the tube side fluid of third heat exchanger after heat exchange and secondary heating device, is connected to by pipeline, is imported It is reheated to primary heating device 1, circulation is realized with this.