CN207610271U - A kind of residual heat utilization heat exchange device - Google Patents

Abstract

The utility model discloses a kind of residual heat utilization heat exchange devices, including water supply tank, the bottom of the water supply tank is communicated with the first water pipe, and the bottom of first water pipe is communicated with the first plate heat exchanger, and the side at the top of first plate heat exchanger is communicated with heat supply network feed pipe.The utility model is by being arranged water supply tank, first water pipe, first plate heat exchanger, heat supply network feed pipe, second water pipe, heat supply network user, heat supply network return pipe, second plate heat exchanger, third water pipe, steam pipe, first connecting tube, primary cooler, second connecting tube, steam valve and inlet valve are used cooperatively, it solves the existing efficiency climate that cools to be affected, the winter efficiency that cools is higher, summer cooling efficiency is low, it is affected simultaneously with weather temperature change, cause primary cooler coal gas cooling technique Parameters variation larger, the problem of being unfavorable for parameter adjustment, the residual heat utilization heat exchange device, has the advantages of UTILIZATION OF VESIDUAL HEAT IN.

Description

A kind of residual heat utilization heat exchange device

Technical field

The utility model is related to technical field of waste heat utilization, specially a kind of residual heat utilization heat exchange device.

Background technology

Waste heat is the energy not being utilized in using energy source equipment under the conditions of certain economic technology, that is, more Remaining, the discarded energy, heat recovery are to improve economy, a fuel-saving important channel, with the development in the world, Awareness of saving energy steps up, and industry-by-industry all proceeds by the Optimizing Reconstruction of equipment, system, and especially industrial, enterprise is the most Prominent, they have found energy saving along with huge economic benefit and environmental benefit in reform, thus the field reformed cover water, Each region such as electricity, coal, vapour, waste heat recovery plate occupy larger share.

Waste heat reclaiming process has flue gas waste heat recovery technique, lag cooler waste heat reclaiming process, heat supply network unit waste heat recovery etc. Deng, wherein heat supply network waste heat recovery by gas purification high temperature section be used as heat exchange level-one heat source, heat supply network return water is heated；Two level Heat exchange carries out two level heating as heat source using 0.60MPa steam to level-one heat exchange hot water, realizes UTILIZATION OF VESIDUAL HEAT IN and heat supply network phase In conjunction with traditional heat network system usually uses single source heat exchange mode, and heat network system is easily caused completely to stop in Anomaly in heat source Fortune, the cooling of traditional gas purification high temperature section is cooled down using the cooling of cooling tower open type or air cooler enclosed, still, existing cold But cooling efficiency climate is affected, and cooling in winter, efficiency is higher, and summer cooling efficiency is low, while becoming with weather temperature Change is affected, and causes primary cooler coal gas cooling technique Parameters variation larger, is unfavorable for parameter adjustment.

Utility model content

The purpose of this utility model is to provide a kind of residual heat utilization heat exchange devices, have the advantages of UTILIZATION OF VESIDUAL HEAT IN, solution The existing efficiency climate that cools of having determined is affected, and cooling in winter, efficiency is higher, and summer cooling efficiency is low, simultaneously It is affected with weather temperature change, causes primary cooler coal gas cooling technique Parameters variation larger, be unfavorable for asking for parameter adjustment Topic.

To achieve the above object, the utility model provides the following technical solutions：A kind of residual heat utilization heat exchange device, including The bottom of water supply tank, the water supply tank is communicated with the first water pipe, and the bottom of first water pipe is communicated with the first plate heat exchanger, Side at the top of first plate heat exchanger is communicated with heat supply network feed pipe, and the side of the water supply tank is communicated with the second water pipe, The one end of second water pipe far from water supply tank is connected to heat supply network feed pipe, and the heat supply network feed pipe is far from the first plate heat exchanger One end be communicated with heat supply network user, the described one end of heat supply network user far from heat supply network feed pipe is communicated with heat supply network return pipe, the heat The one end of net return pipe far from heat supply network user is communicated with the second plate heat exchanger, and the side at the top of second plate heat exchanger connects It is connected with third water pipe, the one end of the third water pipe far from the second plate heat exchanger and the side of the first plate heat exchanger bottom connect Logical, the other side of first plate heat exchanger bottom is communicated with steam pipe, the other side of second plate heat exchanger bottom It is communicated with the first connecting tube, the described one end of first connecting tube far from the second plate heat exchanger is communicated with primary cooler, described just cold The second connecting tube is communicated at the top of device, the one end of second connecting tube far from primary cooler is connected to the second plate heat exchanger.

Preferably, the surface of the steam pipe is provided with steam valve.

Preferably, the other side of the water supply tank is communicated with inlet valve.

Compared with prior art, the beneficial effects of the utility model are as follows：

1, the utility model is by being arranged water supply tank, the first water pipe, the first plate heat exchanger, heat supply network feed pipe, the second water Pipe, heat supply network user, heat supply network return pipe, the second plate heat exchanger, third water pipe, steam pipe, the first connecting tube, primary cooler, second Connecting tube, steam valve and inlet valve are used cooperatively, and are solved the existing efficiency climate that cools and are affected, the winter The efficiency that cools in season is higher, and summer cooling efficiency is low, while being affected with weather temperature change, causes primary cooler coal gas cold But changes in process parameters is larger, the problem of being unfavorable for parameter adjustment, which has the excellent of UTILIZATION OF VESIDUAL HEAT IN Point.

2, the utility model is capable of the flow of steam pipe steam inside for user-friendly control by setting steam valve, By setting inlet valve, the flow of water inlet can be controlled, it is user-friendly.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model.

In figure：1 water supply tank, 2 first water pipes, 3 first plate heat exchangers, 4 heat supply network feed pipes, 5 second water pipes, 6 heat supply networks are used Family, 7 heat supply network return pipes, 8 second plate heat exchangers, 9 third water pipes, 10 steam pipes, 11 first connecting tubes, 12 primary coolers, 13 Two connecting tubes, 14 steam valves, 15 inlet valves.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Referring to Fig. 1, a kind of residual heat utilization heat exchange device, including water supply tank 1, the other side of water supply tank 1 be communicated with into Penstock 15 can control the flow of water inlet, user-friendly, the bottom of water supply tank 1 connects by the way that inlet valve 15 is arranged It is connected with the first water pipe 2, the bottom of the first water pipe 2 is communicated with the first plate heat exchanger 3, the side at 3 top of the first plate heat exchanger It is communicated with heat supply network feed pipe 4, the side of water supply tank 1 is communicated with the second water pipe 5, the one end of the second water pipe 5 far from water supply tank 1 and heat Net feed pipe 4 is connected to, and the one end of heat supply network feed pipe 4 far from the first plate heat exchanger 3 is communicated with heat supply network user 6, and heat supply network user 6 is remote One end from heat supply network feed pipe 4 is communicated with heat supply network return pipe 7, and the one end of heat supply network return pipe 7 far from heat supply network user 6 is communicated with second Plate heat exchanger 8, the side at the top of the second plate heat exchanger 8 are communicated with third water pipe 9, and third water pipe 9 board-like is changed far from second One end of hot device 8 is connected to the side of 3 bottom of the first plate heat exchanger, and the other side of 3 bottom of the first plate heat exchanger is communicated with The surface of steam pipe 10, steam pipe 10 is provided with steam valve 14, can be for user-friendly control by the way that steam valve 14 is arranged The other side of the flow of 10 steam inside of steam pipe, 8 bottom of the second plate heat exchanger is communicated with the first connecting tube 11, the first connection The one end of pipe 11 far from the second plate heat exchanger 8 is communicated with primary cooler 12, and the top of primary cooler 12 is communicated with the second connecting tube 13, The one end of second connecting tube 13 far from primary cooler 12 is connected to the second plate heat exchanger 8, by the way that water supply tank 1, the first water pipe is arranged 2, the first plate heat exchanger 3, heat supply network feed pipe 4, the second water pipe 5, heat supply network user 6, heat supply network return pipe 7, the second plate heat exchanger 8, third water pipe 9, steam pipe 10, the first connecting tube 11, primary cooler 12, the second connecting tube 13, steam valve 14 and inlet valve 15 be used cooperatively, solves the existing efficiency climate that cools and is affected, and the winter efficiency that cools is higher, summer Cooling efficiency is low, while being affected with weather temperature change, causes primary cooler coal gas cooling technique Parameters variation larger, unfavorable In the parameter adjustment the problem of, which has the advantages of UTILIZATION OF VESIDUAL HEAT IN.

In use, carrying out moisturizing to whole heat network system by sodium bed desalted water small pump, start heat supply network after moisturizing Water circulating pump carries out whole cold conditions cycle, starts the first plate-type heat-exchange after heat supply network pipe network is full of water and inside does not have air residual Device 3 and the second plate heat exchanger 8, the gas purification high temperature section high-temperature water that puts into operation carry out level-one heating so that after level-one heats Heat supply network water temperature reach 65-70 DEG C, heating network pressure, temperature are stable, and put into operation secondary heat exchange equipment when amount of floating is within 5%, With the 165 DEG C of steam heating of pressure 0.6MPa temperature, it is heated to supply water temperature and maintains 80 DEG C, temperature change amount of floating is within 5% When, heat supply network automated system puts into operation, heat supply network bringing normally into operation.

In summary：The residual heat utilization heat exchange device, by water supply tank 1, the first water pipe 2, the first plate heat exchanger 3, Heat supply network feed pipe 4, the second water pipe 5, heat supply network user 6, heat supply network return pipe 7, the second plate heat exchanger 8, third water pipe 9, steam pipe 10, the cooperation of the first connecting tube 11, primary cooler 12, the second connecting tube 13, steam valve 14 and inlet valve 15, solves existing The efficiency climate that cools be affected, cooling in winter, efficiency is higher, and summer cooling efficiency is low, while with weather gas The problem of temperature variation is affected, causes primary cooler coal gas cooling technique Parameters variation larger, be unfavorable for parameter adjustment.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of residual heat utilization heat exchange device, including water supply tank（1）, it is characterised in that：The water supply tank（1）Bottom connection There is the first water pipe（2）, first water pipe（2）Bottom be communicated with the first plate heat exchanger（3）, first plate heat exchanger （3）The side at top is communicated with heat supply network feed pipe（4）, the water supply tank（1）Side be communicated with the second water pipe（5）, described Two water pipes（5）Far from water supply tank（1）One end and heat supply network feed pipe（4）Connection, the heat supply network feed pipe（4）It is board-like far from first Heat exchanger（3）One end be communicated with heat supply network user（6）, the heat supply network user（6）Far from heat supply network feed pipe（4）One end be communicated with Heat supply network return pipe（7）, the heat supply network return pipe（7）Far from heat supply network user（6）One end be communicated with the second plate heat exchanger（8）, Second plate heat exchanger（8）The side at top is communicated with third water pipe（9）, the third water pipe（9）It is board-like far from second Heat exchanger（8）One end and the first plate heat exchanger（3）The side of bottom is connected to, first plate heat exchanger（3）Bottom The other side is communicated with steam pipe（10）, second plate heat exchanger（8）The other side of bottom is communicated with the first connecting tube（11）, First connecting tube（11）Far from the second plate heat exchanger（8）One end be communicated with primary cooler（12）, the primary cooler（12） Top be communicated with the second connecting tube（13）, second connecting tube（13）Far from primary cooler（12）One end board-like changed with second Hot device（8）Connection.

2. a kind of residual heat utilization heat exchange device according to claim 1, it is characterised in that：The steam pipe（10）Table Face is provided with steam valve（14）.

3. a kind of residual heat utilization heat exchange device according to claim 1, it is characterised in that：The water supply tank（1）It is another Side is communicated with inlet valve（15）.