CN211953812U - Single-heat-source double-system heat exchanger plate and plate heat exchanger - Google Patents

Single-heat-source double-system heat exchanger plate and plate heat exchanger Download PDF

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CN211953812U
CN211953812U CN202020564080.4U CN202020564080U CN211953812U CN 211953812 U CN211953812 U CN 211953812U CN 202020564080 U CN202020564080 U CN 202020564080U CN 211953812 U CN211953812 U CN 211953812U
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heat
plate
heat exchange
inlet
outlet
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胡佳卫
郝亮
余胜亮
余建武
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Shanghai Exxon Co Ltd
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Shanghai Exxon Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The utility model discloses a single heat source dual system heat exchanger slab and plate heat exchanger, this slab includes first heat transfer portion and second heat transfer portion, and second heat transfer portion is connected to the terminal oblique top of first heat transfer portion and is the origin symmetry with first heat transfer portion as an organic whole, forms the step form, and the middle part of first heat transfer portion and second heat transfer portion is the synclastic horizontal chevron shape ripple groove; the top of the front end of the first heat exchange part is provided with a heat flow inlet, the bottom of the first heat exchange part is provided with a first heat exchange outlet, and the bottom of the tail end of the first heat exchange part is provided with a first heat exchange inlet; the top of the front end of the second heat exchanging part is provided with a second heat exchanging outlet, the top of the tail end of the second heat exchanging part is provided with a second heat exchanging inlet, and the bottom of the tail end of the second heat exchanging part is provided with a heat flow outlet. The utility model discloses a plate heat exchanger installation is horizontal, utilizes the utility model provides a slab realizes twice heat transfer, is two sets of system heating simultaneously, on the basis in saving space, promotes heat exchange efficiency, energy saving.

Description

Single-heat-source double-system heat exchanger plate and plate heat exchanger
Technical Field
The utility model relates to a heat exchange equipment technical field, concretely relates to single heat source dual system heat exchanger slab and plate heat exchanger.
Background
The detachable plate heat exchanger is the most common heat exchange equipment at present, and the main functions of the detachable plate heat exchanger are heat exchange, pressure isolation, medium isolation and the like. In recent years, problems often appear in the central heating transformation process of old urban areas in the north of China: 1. two different forms of floor heating (working conditions of 45 ℃/55 ℃ and 10 ℃ temperature difference) and radiator heating (working conditions of 60 ℃/80 ℃ and 20 ℃ temperature difference) in the same heating area are mixed; 2. the same heat supply area needs both heating (closed system) and domestic water (open system); 3. heat source piping systems in over 90% of cities have not been able to meet the heating needs found in cities now or in the next three years. When a new heat source is discovered, the utilization rate of the existing heat source pipe network is improved to be an economic and effective method.
The existing plate heat exchanger can only heat the medium in one system, and if two systems need to be processed, two heat exchangers are required to be used for heating respectively. However, when two heat exchangers are used for heat exchange respectively, problems of insufficient heat exchange of a heat source, large occupied space, overhigh operation and the like can occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve above-mentioned problem, and provide a single heat source dual system heat exchanger slab and plate heat exchanger, but make full use of heat source reaches for two sets of system heating of radiator heating system or floor heating system, or for the purpose of domestic water system heating.
The utility model discloses a reach above-mentioned purpose, specifically can realize through following technical scheme:
a single heat source double-system heat exchanger plate comprises a first heat exchange part and a second heat exchange part, wherein the second heat exchange part is integrally connected to the oblique upper part of the tail end of the first heat exchange part and is symmetrical to the first heat exchange part at the original point to form a step shape;
the top of the front end of the first heat exchange part is provided with a heat flow inlet, the bottom of the first heat exchange part is provided with a first heat exchange outlet, and the bottom of the tail end of the first heat exchange part is provided with a first heat exchange inlet; the top of the front end of the second heat exchanging part is provided with a second heat exchanging outlet, the top of the tail end of the second heat exchanging part is provided with a second heat exchanging inlet, and the bottom of the tail end of the second heat exchanging part is provided with a heat flow outlet.
Furthermore, the middle parts of the front ends of the first heat exchanging parts and the tail end edges of the second heat exchanging parts are respectively provided with a first guide groove and a second guide groove.
Furthermore, the tail end of the first heat exchange part and the front end edge of the second heat exchange part are respectively provided with a third guide groove and a fourth guide groove.
The utility model also provides a single heat source dual system plate heat exchanger of single heat source dual system heat exchanger slab with above-mentioned arbitrary scheme, including the slab, first pressure strip, the second pressure strip, clamp bolt and seal ring, the second pressure strip passes through clamp bolt parallel connection with first pressure strip, the slab is 4 at least groups, slab interval upset and range upon range of fixing between first pressure strip and second pressure strip, the reverse correspondence of horizontal chevron shape corrugated groove of two adjacent slabs, seal ring fixed mounting is between two adjacent slabs, slab one side is the heat flow channel, the opposite side is first heat transfer passageway and second heat transfer channel.
Further, the plate edge is positioned and installed between the first pressing plate and the second pressing plate through a guide rod.
Furthermore, the sealing gasket comprises a first sealing gasket arranged on one side of the plate, and a second sealing gasket and a third sealing gasket arranged on the other side of the plate, and the first sealing gasket encloses the heat flow inlet and the heat flow outlet of the plate into a heat flow channel; the second sealing washer encloses the first heat exchange outlet and the first heat exchange inlet into a first heat exchange channel; the third sealing washer encloses into the second heat transfer passageway second heat transfer export and second heat transfer import.
Further, the second sealing washer and the third sealing washer are connected into a whole.
Furthermore, the first sealing washer is provided with a drainage port at the joint of the first heat exchanging part and the second heat exchanging part.
Further, the drainage port is inclined at 45 °.
Furthermore, a heat flow inlet, a first heat exchange outlet, a first heat exchange inlet, a second heat exchange outlet, a second heat exchange inlet and a heat flow outlet of the plate are sequentially and correspondingly arranged on the first pressing plate and the heat flow inlet, the first heat exchange outlet, the first heat exchange inlet, the second heat exchange outlet, the second heat exchange inlet and the heat flow outlet of the plate.
Compared with the prior art, the utility model discloses a plate heat exchanger installation is horizontal, utilizes the utility model provides a slab realizes that high-temperature water or vapor get into the thermal current and advance the mouth of pipe and pass through the heat flow channel exchange, will follow the first heat transfer and advance orificial cold source water and heat up, and the water after the intensification is gone out the mouth of pipe from first heat transfer and is gone out. Plate heat exchanger high-temperature water in the past can be taken back through the return water pump after once supplying heat, and this heat exchanger can be with the high-temperature water after the cooling, through the drainage in the plate, realizes heat transfer heat supply for the second time, and the second kind of cold source water enters the mouth of pipe from the second heat transfer and gets into, and the second heat transfer outlet pipe mouth is discharged after heaing up, and the high-temperature water is discharged from the thermal current outlet pipe mouth after the secondary cooling. Therefore, heat exchange is performed twice, and meanwhile, the two sets of systems are heated, so that the heat exchange efficiency is improved and the energy is saved on the basis of saving the space.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger plate of the present invention;
fig. 2 is a schematic view of the overall structure of the plate heat exchanger of the present invention;
FIG. 3 is a schematic structural diagram of an inner plate and a side sealing gasket of the plate heat exchanger;
FIG. 4 is a schematic view of a gasket structure on one side of a plate;
fig. 5 is a structural diagram of a sealing gasket on the other side of the plate.
In the figure, 1, a plate; 1-1, a first heat exchanging part; 1-2, a second heat exchanging part; 1-3, transverse herringbone corrugated grooves; 1-4, a heat flow inlet; 1-5, a first heat exchange outlet; 1-6, a first heat exchange inlet; 1-7 and a second heat exchange outlet; 1-8 second heat exchange inlets; 1-9, a heat flow outlet; 1-10, a first guide groove; 1-11, a second guide groove; 1-12, a third guide groove; 1-13, a fourth guide groove; 2. a first compression plate; 2-1, hot flow tube inlet; 2-2, an outlet of the first heat exchange tube; 2-3, an inlet of the first heat exchange tube; 2-4, an outlet of the second heat exchange tube; 2-5, an inlet of a second heat exchange tube; 2-6, hot flow tube outlet; 3. a second compression plate; 4. clamping the bolt; 5 sealing the gasket; 5-1 a first sealing gasket; 5-2, a second sealing gasket; 5-3, a third sealing gasket; 5-4, a drainage port; 6. a guide rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the sheet 1 of the single heat source dual-system heat exchanger of the present invention includes a first heat exchanging portion 1-1 and a second heat exchanging portion 1-2, the second heat exchanging portion 1-2 is integrally connected to the end of the first heat exchanging portion 1-1 obliquely above and is symmetrical to the first heat exchanging portion 1-1 at the origin, forming a step shape, and the middle portions of the first heat exchanging portion 1-1 and the second heat exchanging portion 1-2 are both the same-direction horizontal herringbone corrugated grooves 1-3;
the top of the front end of the first heat exchanging part 1-1 is provided with a heat flow inlet 1-4, the bottom is provided with a first heat exchanging outlet 1-5, and the bottom of the tail end of the first heat exchanging part 1-1 is provided with a first heat exchanging inlet 1-6; the top of the front end of the second heat exchanging part 1-2 is provided with a second heat exchanging outlet 1-7, the top of the tail end is provided with a second heat exchanging inlet 1-8, and the bottom of the tail end of the second heat exchanging part 1-2 is provided with a heat flow outlet 1-9.
In a preferred embodiment, the front end of the first heat exchanging part 1-1 and the middle part of the edge of the tail end of the second heat exchanging part 1-2 are respectively provided with a first guide groove 1-10 and a second guide groove 1-11.
In another preferred embodiment, the end of the first heat exchanging part 1-1 and the front edge of the second heat exchanging part 1-2 are provided with a third channel 1-12 and a fourth channel 1-13, respectively.
As shown in fig. 2 and 3, the utility model also provides a single heat source dual system plate heat exchanger with foretell single heat source dual system heat exchanger slab, it includes slab 1, first pressure strip 2, second pressure strip 3, clamping bolt 4 and seal ring 5, second pressure strip 3 passes through clamping bolt 4 parallel connection with first pressure strip 2, slab 1 is 4 at least groups, slab 1 interval upset is range upon range of to be fixed between first pressure strip 2 and second pressure strip 3, the horizontal chevron shape ripple groove 1-3 of two adjacent slabs 1 is reverse to be corresponding, seal ring 5 fixed mounting is between two adjacent slabs 1, slab 1 one side is the heat flow channel, the opposite side is first heat transfer passageway and second heat transfer passageway.
In a preferred embodiment, the edge of the plate 1 is positioned and mounted between the first compression plate 2 and the second compression plate 3 by a guide rod 6.
As shown in fig. 4 and 5, in a preferred embodiment, the sealing gasket 5 comprises a first sealing gasket 5-1 installed at one side of the plate 1 and a second sealing gasket 5-2 and a third sealing gasket 5-3 installed at the other side of the plate 1, and preferably, the second sealing gasket 5-2 and the third sealing gasket 5-3 are integrally connected. The first sealing washer 5-1 encloses the heat flow inlet 1-4 and the heat flow outlet 1-9 of the plate 1 into a heat flow channel; the second sealing washer 5-2 encloses the first heat exchange outlet 1-5 and the first heat exchange inlet 1-6 into a first heat exchange channel; and the second heat exchange outlet 1-7 and the second heat exchange inlet 1-8 are enclosed into a second heat exchange channel by a third sealing washer 5-3.
In a preferred embodiment, the first sealing gasket 5-1 is provided with a drainage port 5-4, preferably inclined at 45 °, at the junction of the first heat exchange portion 1-1 and the second heat exchange portion 1-2.
In a specific embodiment, the first pressure strip 2 is provided with a heat flow inlet pipe orifice 2-1, a first heat exchange outlet pipe orifice 2-2, a first heat exchange inlet pipe orifice 2-3, a second heat exchange outlet pipe orifice 2-4, a second heat exchange inlet pipe orifice 2-5 and a heat flow outlet pipe orifice 2-6 in sequence corresponding to the heat flow inlet 1-4, the first heat exchange outlet 1-5, the second heat exchange inlet 1-7, the second heat exchange inlet 1-8 and the heat flow outlet 1-9 of the plate 1.
The utility model discloses a removable single heat source dual system plate heat exchanger, the installation is horizontal, as shown in figure 1, high temperature water or vapor get into heat flow mouth of pipe 2-1, heat exchange through the heat exchange with the cold source water of first heat transfer mouth of pipe 2-3 intensifies, and the water after the intensification is gone out from first heat transfer mouth of pipe 2-2. The high-temperature water of the prior plate heat exchanger is pumped back by a water return pump after primary heat supply. And the utility model discloses a heat exchanger can be with the high temperature water after the cooling, through the drainage in the slab, realizes the heat supply of second time, and second kind cold source water gets into from second heat transfer mouth of pipe 2-5, and from second heat transfer play mouth of pipe 2-4 discharge after heaing up, and high temperature water is discharged from mouth of pipe 6 after the secondary cooling.
The plate heat exchanger plate of this type has very high requirements on the machining precision, and the plate needs to be symmetrical at the origin, namely, at 45 degrees. The transverse herringbone corrugated grooves 1-3 of the plate sheet 1 adopt a half-groove design, can realize diversified assembly modes, and has high symmetry. As shown in fig. 2, the sheet 1 can still form net-shaped ripples after being flipped upside down.
The multi-group guide groove structure of the plate 1 ensures the installation stability of the plate 1, the middle groove of the plate 1 is drained by the sealing washer, and the heat source medium supplies heat for the cold source. The hot flow channel is guided by the drainage ports 5-4 to supply heat for a second cold source, and the heat source is fully utilized to supply heat for two sets of systems of a radiator heating system or a floor heating system or a domestic water system. The detachable plate heat exchanger with the single heat source and the double systems has the advantages that the heat exchange efficiency is improved and the energy is saved on the basis of saving the space.
When the heat pump is used in practical tests, the heat load of a heating district with 2 ten thousand square meters is 1400KW, the primary heat source is 110 ℃, a radiator is arranged for heating 700KW, the temperature of secondary side water supply is 80 ℃, and the temperature of secondary side water return is 60 ℃; the secondary side water supply temperature of 700KW for floor heating is 55 ℃, and the secondary side water return temperature is 45 ℃.
The main calculation formula is as follows:
g1 xcp 1 x (T1 in-T1 out) G2 xcp 2 x (T2 in-T2 out)
Q ═ heat exchange amount KW
G1-kg/sx 3.6-T/h-heat medium flow
The Cp1 has a specific heat capacity KJ/kg ℃ of 4.19 or so in general
T1 inlet temperature-inlet temperature of heat medium-C
Inlet temperature of heat medium T1
In the prior art, two heat exchangers are used, wherein the working condition of a 700KW radiator is that a primary heat source is 110 ℃, the return water temperature is 70 ℃, and the primary network flow is 15m3/h according to calculation. 700KW floor heating working condition is one timeThe heat source is 110 ℃, the return water temperature is 50 ℃, and the primary net flow is 10m3/h according to calculation. Therefore, the flow of the primary heating network for the district is 25m in total3/h。
If choose a 1400KW the utility model discloses a single heat source dual system plate heat exchanger, a heat source advances from 110 ℃, through first section heat transfer, rises radiator heating secondary side temperature from 60 ℃ to 80 ℃, heat source water temperature drops to 78.9 ℃, flows into the second section again, rises floor heating secondary side temperature from 45 ℃ to 55 ℃, return water temperature is 50 ℃, is 20m according to calculating the primary network flow and is 20m3/h。
Therefore, compared with the prior two-platen type heat exchanger, the single-heat-source double-system plate type heat exchanger of the utility model uses less 5m3The heat source is used for h, and the heat exchange efficiency is improved by 20 percent.
The specific embodiments of the present invention are only for explaining the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the present embodiment as required without inventive contribution after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. The single-heat-source double-system heat exchanger plate is characterized in that the plate (1) comprises a first heat exchange part (1-1) and a second heat exchange part (1-2), wherein the second heat exchange part is integrally connected to the oblique upper part of the tail end of the first heat exchange part and is symmetrical to the first heat exchange part at the original point to form a step shape, and the middle parts of the first heat exchange part and the second heat exchange part are both provided with equidirectional transverse herringbone corrugated grooves (1-3);
the top of the front end of the first heat exchange part is provided with a heat flow inlet (1-4), the bottom of the first heat exchange part is provided with a first heat exchange outlet (1-5), and the bottom of the tail end of the first heat exchange part is provided with a first heat exchange inlet (1-6); the top of the front end of the second heat exchanging part is provided with a second heat exchanging outlet (1-7), the top of the tail end is provided with a second heat exchanging inlet (1-8), and the bottom of the tail end is provided with a heat flow outlet (1-9).
2. The single heat source double system heat exchanger plate of claim 1, wherein the first guide groove (1-10) and the second guide groove (1-11) are respectively formed in the middle of the front end of the first heat exchange part and the tail end edge of the second heat exchange part.
3. The single heat source dual system heat exchanger plate according to claim 1 or 2, wherein the end of the first heat exchanging part and the end edge of the front end of the second heat exchanging part are provided with a third channel (1-12) and a fourth channel (1-13), respectively.
4. A single heat source double-system plate heat exchanger with the single heat source double-system heat exchanger plate of any one of claims 1-3 is characterized by comprising a plate (1), a first pressing plate (2), a second pressing plate (3), a clamping bolt (4) and a sealing washer (5), wherein the second pressing plate is connected with the first pressing plate in parallel through the clamping bolt, the plate is at least 4 groups, the plates are turned at intervals and are fixed between the first pressing plate and the second pressing plate in a stacked mode, transverse herringbone corrugated grooves of two adjacent plates are in reverse correspondence, the sealing washer is fixedly installed between the two adjacent plates, one side of the plate is a heat flow channel, and the other side of the plate is a first heat exchange channel and a second heat exchange channel.
5. The single heat source dual system plate heat exchanger according to claim 4, characterized in that the plate edge is positioned between the first and second pressure plate by means of a guide rod (6).
6. The single heat source dual system plate heat exchanger of claim 4, characterized in that the sealing gaskets comprise a first sealing gasket (5-1) installed on one side of the plate and a second sealing gasket (5-2) and a third sealing gasket (5-3) installed on the other side of the plate, the first sealing gasket enclosing the heat flow inlet and the heat flow outlet of the plate into heat flow channels; the second sealing washer encloses the first heat exchange outlet and the first heat exchange inlet into a first heat exchange channel; the third sealing washer encloses into the second heat transfer passageway second heat transfer export and second heat transfer import.
7. The single heat source dual system plate heat exchanger of claim 6 wherein the second sealing gasket is integrally connected to the third sealing gasket.
8. The single heat source dual system plate heat exchanger according to claim 6, wherein the first sealing gasket is provided with a flow guiding port (5-4) at the junction of the first heat exchanging part and the second heat exchanging part.
9. The single heat source dual system plate heat exchanger of claim 8 wherein the flow-through ports are 45 ° slanted.
10. The single-heat-source double-system plate heat exchanger as claimed in claim 4, wherein the heat flow pipe inlet (2-1), the first heat exchange pipe outlet (2-2), the first heat exchange pipe inlet (2-3), the second heat exchange pipe outlet (2-4), the second heat exchange pipe inlet (2-5) and the heat flow pipe outlet (2-6) are sequentially arranged on the first pressure plate and correspond to the heat flow inlet, the first heat exchange outlet, the first heat exchange inlet, the second heat exchange outlet, the second heat exchange inlet and the heat flow outlet of the plate.
CN202020564080.4U 2020-04-15 2020-04-15 Single-heat-source double-system heat exchanger plate and plate heat exchanger Active CN211953812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020564080.4U CN211953812U (en) 2020-04-15 2020-04-15 Single-heat-source double-system heat exchanger plate and plate heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020564080.4U CN211953812U (en) 2020-04-15 2020-04-15 Single-heat-source double-system heat exchanger plate and plate heat exchanger

Publications (1)

Publication Number Publication Date
CN211953812U true CN211953812U (en) 2020-11-17

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ID=73163863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020564080.4U Active CN211953812U (en) 2020-04-15 2020-04-15 Single-heat-source double-system heat exchanger plate and plate heat exchanger

Country Status (1)

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