CN215765370U - Heat exchanger unit with double heating parameters - Google Patents
Heat exchanger unit with double heating parameters Download PDFInfo
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- CN215765370U CN215765370U CN202121396963.XU CN202121396963U CN215765370U CN 215765370 U CN215765370 U CN 215765370U CN 202121396963 U CN202121396963 U CN 202121396963U CN 215765370 U CN215765370 U CN 215765370U
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Abstract
The utility model discloses a heat exchange unit with double heating parameters, belonging to the technical field of heat exchange units; the system comprises an electric control cabinet, a plate heat exchanger, a primary network system, a secondary network system and a water charging system, wherein the electric control cabinet is respectively connected with a water pump, a pressure transmitter, a temperature transmitter, an electric regulating valve, an electromagnetic valve, a heat meter and a flow meter through leads; the water supplementing system adopts a water supplementing system for supplementing the secondary network by a primary network, and the constant pressure of the secondary network is realized by keeping the pressure behind the valve of the pressure reducing valve constant; the secondary network bypass pipe is used as a water mixing pipe of the floor heating system, the water supply temperature of the floor heating system is adjusted, and two heat supply parameters can be provided by one set of unit. The utility model has simple structure, small occupied area and low initial investment and running cost.
Description
Technical Field
The utility model belongs to the technical field of heat exchanger units, and particularly relates to a heat exchanger unit with double heating parameters.
Background
The heat exchange unit is an intelligent heat exchange device which is formed by connecting a plate heat exchanger, a water pump, a valve, a filter, a distribution box, a frequency converter, an instrument, a control system and the like through pipelines, is preassembled in a factory and is installed on the same base. Traditional heat exchanger unit can only go out one kind and supply return water temperature, or satisfies the radiator demand, or satisfies the demand of warming up, so when meetting radiator and underfloor heating system simultaneously, need select two heat exchanger units, especially to rural, only the building adopts and warms up, and the area is not big, selects two units, not only takes up an area of big, just investment and working costs all are high moreover. Therefore, in order to reduce the occupied area of the heating station, reduce the investment and improve the operation efficiency, the heat exchange unit with double heating parameters is provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of single function of the conventional heat exchanger unit, the utility model provides a heat exchanger unit system with double heating parameters, which can supply heat to heating radiators and floor heating simultaneously.
The technical scheme adopted by the utility model for realizing the purpose is as follows:
a heat exchange unit with double heating parameters comprises an electric control cabinet, a plate heat exchanger, a primary network system, a secondary network system and a water charging system, wherein the electric control cabinet is respectively connected with a water pump, a pressure transmitter, a temperature transmitter, an electric regulating valve, an electromagnetic valve, a heat meter and a flow meter through leads;
the primary network system comprises a primary network water supply pipeline and a primary network water return pipeline, an inlet of the primary network water supply pipeline is connected with outdoor primary network water supply, and an outlet of the primary network water supply pipeline is connected with a primary network water inlet of the plate heat exchanger; the inlet of the primary net water return pipeline is connected with the primary net water outlet of the plate heat exchanger, and the outlet of the primary net water return pipeline is connected with outdoor primary net water return;
the secondary net system comprises a secondary net water return pipeline, a secondary net water supply pipeline, a secondary net ground heating water return pipeline, a secondary net radiator water return pipeline, a secondary net ground heating water supply pipeline and a secondary net radiator water supply pipeline, wherein the inlet of the secondary net water return pipeline is respectively connected with the water outlets of the secondary net ground heating water return pipeline and the secondary net radiator water return pipeline, and the outlet of the secondary net water return pipeline is connected with the secondary net inlet of the plate heat exchanger; the outlet of the secondary network water supply pipeline is respectively connected with the water inlets of the secondary network ground heating water supply pipeline and the secondary network heating radiator water supply pipeline, and the inlet of the secondary network water supply pipeline is connected with the secondary network water outlet of the plate heat exchanger;
the water supplementing system comprises a primary net supplementing secondary net pipeline, an inlet of the primary net supplementing secondary net pipeline is connected with a primary net water return pipeline, and an outlet of the primary net supplementing secondary net pipeline is connected with a secondary net water return pipeline.
Furthermore, the primary net system also comprises a primary net bypass pipeline, an inlet of the primary net bypass pipeline is connected with a primary net water supply pipeline, an outlet of the primary net bypass pipeline is connected with a primary net water return pipeline, and a third ball valve is arranged on the primary net bypass pipeline;
the secondary net system further comprises a secondary net bypass pipeline, an inlet of the secondary net bypass pipeline is connected with the secondary net water return pipeline, an outlet of the secondary net bypass pipeline is connected with the secondary net water supply pipeline, and a twelfth ball valve and a third regulating valve are mounted on the secondary net bypass pipeline.
Furthermore, the primary network bypass pipeline is connected to the first ball valve water flow inlet and the second ball valve water flow outlet, so that when an outdoor primary pipe network is washed, dirt is prevented from entering equipment in a station;
the secondary net bypass pipeline is connected to a circulating pump water outlet and a fifth ball valve water inlet, when an outdoor secondary pipe network is washed, dirt is prevented from entering the plate heat exchanger, and the secondary net bypass pipeline is used during normal operation, so that partial backwater of the secondary net and water supply of the secondary net are mixed and then supplied to a secondary net ground heating water supply pipeline.
Furthermore, a first ball valve, a first temperature transmitter, a first pressure transmitter, a first Y-shaped filter and a second pressure transmitter are sequentially arranged on the primary network water supply pipeline according to the water flow direction;
the primary net water return pipeline is sequentially provided with a heat meter, a third pressure transmitter, an electric regulating valve, a fourth pressure transmitter, a second temperature transmitter and a second ball valve according to the water flow direction.
Furthermore, a second Y-type filter, a sixth pressure transmitter, a circulating pump, a seventh pressure transmitter and a fifth ball valve are sequentially installed on the secondary network water return pipeline according to the water flow direction, a fourth ball valve, a third temperature transmitter and a fifth pressure transmitter are sequentially installed on the secondary network water return pipeline and the secondary network ground heating water return pipeline according to the water flow direction, and a sixth ball valve, a fourth temperature transmitter and an eighth pressure transmitter are sequentially installed on the secondary network heating radiator water return pipeline according to the water flow direction.
Seventh ball valve, relief valve are installed according to water flow direction in proper order to the water supply pipe of secondary network, and ninth pressure transmitter, first governing valve, tenth pressure transmitter, fifth temperature transmitter, eighth ball valve are installed according to water flow direction in proper order to water supply pipe of secondary network and secondary network ground heating water supply pipe in proper order, and tenth pressure transmitter, second governing valve, eleventh pressure transmitter, sixth temperature transmitter, ninth ball valve are installed according to water flow direction in proper order with secondary network radiator water supply pipe.
Furthermore, a tenth ball valve, a twelfth pressure transmitter, a third Y-type filter, a thirteenth pressure transmitter, a check valve, a fourteenth pressure transmitter, a pressure reducing valve, a fifteenth pressure transmitter, an electromagnetic valve, a fifteenth pressure transmitter, a flowmeter and an eleventh ball valve are sequentially installed on the primary-network-supplementing secondary-network pipeline according to the water flow direction.
Further, the electric control cabinet is respectively connected with the first temperature transmitter, the first pressure transmitter, the second pressure transmitter, the heat meter, the third pressure transmitter, the electric control valve, the fourth pressure transmitter, the second temperature transmitter, the third temperature transmitter, the fifth pressure transmitter, the sixth pressure transmitter, the circulating pump, the seventh pressure transmitter, the fourth temperature transmitter, the eighth pressure transmitter, the ninth pressure transmitter, the tenth pressure transmitter, the fifth temperature transmitter, the tenth pressure transmitter, the eleventh pressure transmitter, the sixth temperature transmitter, the twelfth pressure transmitter, the thirteenth pressure transmitter, the fourteenth pressure transmitter, the fifteenth pressure transmitter, the electromagnetic valve, the fifteenth pressure transmitter and the flow meter through wires.
The utility model adopts the primary net-supplementing secondary net system to replace a water supplementing pump constant pressure system, saves a water treatment system in a heat exchange station, improves the water quality of the secondary net, reduces the occupied area and reduces the investment; the two traditional floor heating units and the two traditional heating units are solved by one set of unit, so that the occupied area is reduced, the investment is reduced, and the utilization rate of equipment is improved; the primary network bypass pipeline is used for flushing an outdoor primary network, so that dirt can be prevented from entering equipment in a station, the pipeline can be prevented from being frost-cracked in winter, and once network water can be allowed to enter the pipeline and the equipment in the station after the outdoor primary network pipeline is flushed; the secondary network bypass pipeline is used for washing an outdoor secondary network, so that dirt is prevented from entering the plate heat exchanger, the secondary network bypass pipeline can be used as a water mixing pipe of a floor heating system, and the water supply temperature of the floor heating system is adjusted. The utility model ensures the continuous water supplementing constant pressure of the secondary net, reduces the water supplementing cost, can simultaneously improve the different requirements of the floor heating and the heating sheet on the heating water temperature, and has the advantages of simple structure, high heat exchange efficiency, high operation safety, small occupied area, low initial investment and operation cost.
After the unit is operated to an installation site, the unit can be put into operation only by connecting the primary side, the secondary side and the water replenishing pipeline and switching on a power supply. Meanwhile, the unit has the characteristics of compact mechanism, convenience for remote transportation, small occupied area, flexible in-place installation site and the like.
The heat exchanger unit adopts industrial control calculation or an intelligent temperature regulator to intelligently control the water supply temperature, namely the water supply temperature can be changed along with the outdoor environment temperature, the standard temperature and the time according to the program setting, the heat supply quality is high-efficient, and the energy is saved; the industrial control computer displays, stores and prints various operating parameters, including: the heat medium flow, the heat medium temperature, the heat medium pressure, the heat supply quantity, the outdoor temperature standard room temperature, the water supply temperature, the condensation water temperature, the water supply pressure and the like. The heating plate type heat exchanger unit has compact structure, the water pump adopts an imported or domestic high-quality vertical water pump and the like, the structure is compact, and the required installation space is small.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1 is a primary network water supply pipeline, 2 is a primary network water return pipeline, 3 is a secondary network water return pipeline, 4 is a secondary network water supply pipeline, 5 is a secondary network ground heating water return pipeline, 6 is a secondary network radiator water return pipeline, 7 is a secondary network ground heating water supply pipeline, 8 is a secondary network radiator water supply pipeline, 9 is a primary network secondary network supplementing pipeline, 10 is a primary network bypass pipeline, 11 is a secondary network bypass pipeline, 12 is a plate heat exchanger, 13 is an electric control cabinet, 14 is a first ball valve, 15 is a first temperature transmitter, 16 is a first pressure transmitter, 17 is a first Y-type filter, 18 is a second pressure transmitter, 19 is a heat meter, 20 is a third pressure transmitter, 21 is an electric regulating valve, 22 is a fourth pressure transmitter, 23 is a second temperature transmitter, 24 is a second ball valve, 25 is a third ball valve, 26 is a fourth ball valve, 27 is a third temperature transmitter, 28 is a fifth pressure transmitter, 29 is a second Y-type filter, 30 is a sixth pressure transmitter, 31 is a circulation pump, 32 is a seventh pressure transmitter, 33 is a fifth ball valve, 34 is a sixth ball valve, 35 is a fourth temperature transmitter, 36 is an eighth pressure transmitter, 37 is a seventh ball valve, 38 is a safety valve, 39 is a ninth pressure transmitter, 40 is a first regulating valve, 41 is a tenth pressure transmitter, 42 is a fifth temperature transmitter, 43 is an eighth ball valve, 44 is a tenth pressure transmitter, 45 is a second regulating valve, 46 is an eleventh pressure transmitter, 47 is a sixth temperature transmitter, 48 is a ninth ball valve, 49 is a tenth ball valve, 50 is a twelfth pressure transmitter, 51 is a third Y-type filter, 52 is a thirteenth pressure transmitter, 53 is a check valve, 54 is a fourteenth pressure transmitter, 55 is a pressure reducing valve, 56 is a fifteenth pressure transmitter, a solenoid valve 57, a fifteenth pressure transmitter 58, a flowmeter 59, an eleventh ball valve 60, a twelfth ball valve 61, and a third regulating valve 62.
Detailed Description
As shown in fig. 1, the heat exchanger unit with dual heating parameters of the present embodiment includes an electric control cabinet 13, a plate heat exchanger 12, a primary network system, a secondary network system, and a water charging system, wherein the electric control cabinet 13 is respectively connected to a water pump, a pressure transmitter, a temperature transmitter, an electric control valve, an electromagnetic valve, a heat meter, and a flow meter through wires, one side of the plate heat exchanger 12 is connected to the primary network system, the other side of the plate heat exchanger is connected to the secondary network system, and the water charging system is connected between the primary network system and the secondary network system;
the primary network system comprises a primary network water supply pipeline 1 and a primary network water return pipeline 2, wherein an inlet of the primary network water supply pipeline 1 is connected with outdoor primary network water supply, and an outlet of the primary network water supply pipeline 1 is connected with a primary network water inlet of the plate type heat exchanger 12; an inlet of the primary net water return pipeline 2 is connected with a primary net water outlet of the plate heat exchanger 12, and an outlet of the primary net water return pipeline 2 is connected with outdoor primary net water return;
the secondary net system comprises a secondary net water return pipeline 3, a secondary net water supply pipeline 4, a secondary net ground heating water return pipeline 5, a secondary net radiator water return pipeline 6, a secondary net ground heating water supply pipeline 7 and a secondary net radiator water supply pipeline 8, wherein the inlet of the secondary net water return pipeline 3 is respectively connected with the water outlets of the secondary net ground heating water return pipeline 5 and the secondary net radiator water return pipeline 6, and the outlet of the secondary net water return pipeline 3 is connected with the secondary net inlet of the plate type heat exchanger 12; an outlet of the secondary network water supply pipeline 4 is respectively connected with a water inlet of a secondary network ground heating water supply pipeline 7 and a water inlet of a secondary network radiator water supply pipeline 8, and an inlet of the secondary network water supply pipeline 4 is connected with a secondary network water outlet of the plate type heat exchanger 12;
further, the water supplementing system comprises a primary net supplementing secondary net pipeline 9, an inlet of the primary net supplementing secondary net pipeline 9 is connected with the primary net water return pipeline 2, and an outlet of the primary net supplementing secondary net pipeline 9 is connected with the secondary net water return pipeline 3.
The primary net system further comprises a primary net bypass pipeline 10, an inlet of the primary net bypass pipeline 10 is connected with the primary net water supply pipeline 1, an outlet of the primary net bypass pipeline 10 is connected with the primary net water return pipeline 2, and a third ball valve 25 is mounted on the primary net bypass pipeline 10;
the secondary net system further comprises a secondary net bypass pipeline 11, an inlet of the secondary net bypass pipeline 11 is connected with the secondary net water return pipeline 3, an outlet of the secondary net bypass pipeline 11 is connected with the secondary net water supply pipeline 4, and a twelfth ball valve 61 and a third regulating valve 62 are mounted on the secondary net bypass pipeline 11.
The primary net bypass pipeline and the secondary net bypass pipeline are used for washing the primary and secondary external nets, dirt does not enter the in-station equipment in the washing process, and the secondary net bypass pipeline has the floor heating water mixing function. The utility model solves the problem that one set of heat exchanger unit simultaneously satisfies different water supply parameters of the heating radiator and the floor heating, reduces initial investment and occupied area, reduces operation cost and improves the utilization rate of equipment.
The once-network water supply line 1 includes: a first ball valve 14, a first temperature transmitter 15, a first pressure transmitter 16, a first Y-shaped filter 17 and a second pressure transmitter 18 are sequentially arranged according to the water flow direction, the inlet of the primary network water supply pipeline 1 is connected with outdoor primary network water supply, and the outlet of the primary network water supply pipeline 1 is connected with the primary network water inlet of the plate-type heat exchanger 12.
The primary net return water pipe 2 includes: a heat meter 19, a third pressure transmitter 20, an electric regulating valve 21, a fourth pressure transmitter 22, a second temperature transmitter 23 and a second ball valve 24 are sequentially arranged in the water flow direction, the inlet of the primary net water return pipeline 2 is connected with the primary net water outlet of the plate type heat exchanger 12, and the outlet of the primary net water return pipeline 2 is connected with the outdoor primary net water return.
The secondary net return pipe 3 includes: a second Y-shaped filter 29, a sixth pressure transmitter 30, a circulating pump 31, a seventh pressure transmitter 32 and a fifth ball valve 33 are sequentially installed according to the water flow direction, a fourth ball valve 26, a third temperature transmitter 27 and a fifth pressure transmitter 28 are sequentially installed on the secondary network return water pipeline 3 and the secondary network ground heating return water pipeline 5 according to the water flow direction, a sixth ball valve 34, a fourth temperature transmitter 35 and an eighth pressure transmitter 36 are sequentially installed on the secondary network radiator return water pipeline 6 according to the water flow direction, the inlet of the secondary network return water pipeline 3 is respectively connected with the water outlets of the secondary network ground heating return water pipeline 5 and the secondary network radiator return water pipeline 6, and the outlet of the secondary network return water pipeline 3 is connected with the secondary network inlet of the plate heat exchanger 12.
The secondary network water supply line 4 includes: a seventh ball valve 37 and a safety valve 38 are sequentially installed in sequence according to the water flow direction, a ninth pressure transmitter 39, a first regulating valve 40, a tenth pressure transmitter 41, a fifth temperature transmitter 42 and an eighth ball valve 43 are sequentially installed in sequence according to the water flow direction on the secondary network water supply pipeline 4 and the secondary network ground heating water supply pipeline 7, a tenth pressure transmitter 44, a second regulating valve 45, an eleventh pressure transmitter 46, a sixth temperature transmitter 47 and a ninth ball valve 48 are sequentially installed in sequence according to the water flow direction on the secondary network heating water supply pipeline 8, the outlet of the secondary network water supply pipeline 4 is respectively connected with the water inlets of the secondary network ground heating water supply pipeline 7 and the secondary network heating water supply pipeline 8, and the inlet of the secondary network water supply pipeline 4 is connected with the secondary network water outlet of the plate heat exchanger 12.
The primary net supplement secondary net pipe 9 includes: a tenth ball valve 49, a twelfth pressure transmitter 50, a third Y-type filter 51, a thirteenth pressure transmitter 52, a check valve 53, a fourteenth pressure transmitter 54, a pressure reducing valve 55, a fifteenth pressure transmitter 56, an electromagnetic valve 57, a fifteenth pressure transmitter 58, a flow meter 59 and an eleventh ball valve 60 are sequentially arranged in sequence according to the water flow direction, the inlet of the primary net supply secondary net pipeline 9 is connected with the primary net water return pipeline 2, and the outlet of the primary net supply secondary net pipeline 9 is connected with the secondary net water return pipeline 3.
An inlet of the primary net bypass pipeline 10 is connected with the primary net water supply pipeline 1, an outlet of the primary net bypass pipeline 10 is connected with the primary net water return pipeline 2, and a third ball valve 25 is installed on the primary net bypass pipeline 10.
An inlet of the secondary net bypass pipeline 11 is connected with the secondary net water return pipeline 3, an outlet of the secondary net bypass pipeline 11 is connected with the secondary net water supply pipeline 4, and a twelfth ball valve 61 and a third regulating valve 62 are installed on the secondary net bypass pipeline 11.
The primary pipe network bypass pipeline 10 is connected to a water flow inlet of the first ball valve 14 and a water flow outlet of the second ball valve 24, and when an outdoor primary pipe network is washed, dirt is prevented from entering equipment in a station.
The secondary network bypass pipeline 11 is connected with the water outlet of the circulating pump 31 and the water inlet of the seventh ball valve 37, and when an outdoor secondary network is washed, dirt is prevented from entering the plate heat exchanger 12.
When the water supply pressure of the secondary network exceeds the bearing capacity of the user terminal equipment, the secondary network circulating pump 31 is arranged on the secondary network water return pipeline 3, and when the water supply pressure of the secondary network does not exceed the bearing capacity of the user terminal equipment, the secondary network circulating pump 31 is arranged on the secondary network water supply pipeline 4.
In the utility model, the control of the circulating pump 31 is controlled by the electric control cabinet 13 and is divided into two modes: the frequency of the circulating pump 31 can be manually adjusted through manual control and automatic control, and the frequency of the circulating pump 31 is controlled through controlling the temperature difference between supply water and return water of the secondary network through automatic control, so that the temperature difference between the supply water and the return water of the secondary network is always kept in a certain interval.
The water return of the primary network supplements the water loss of the secondary network, a pressure sensor 30 is arranged on a water return pipe of the secondary network and forms linkage control with an electromagnetic valve 57 of a water supplementing pipe, when the water return pressure of the secondary network is lower than the set pressure, the electromagnetic valve 57 is opened to supplement water, when the set water return pressure is reached, the electromagnetic valve 57 is closed, when the water return pressure of the secondary network is higher than the set pressure, the safety valve 38 is opened to drain water, when the pressure reaches the normal range, the safety valve 38 is closed, and the safe operation of the secondary network is ensured.
In some embodiments, several circulation pumps 31 may be connected in parallel.
In some embodiments, the plate heat exchangers 12 may be connected in series, in parallel, or even in series and then in parallel.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. The utility model provides a heat exchanger unit of two heat supply parameters, includes automatically controlled cabinet (13), plate heat exchanger (12), primary network system, secondary network system, water charging system, its characterized in that: the electric control cabinet (13) is respectively connected with the water pump, the pressure transmitter, the temperature transmitter, the electric control valve, the electromagnetic valve, the heat meter and the flowmeter through leads, one side of the plate heat exchanger (12) is connected with a primary network system, the other side of the plate heat exchanger is connected with a secondary network system, and a water replenishing system is connected between the primary network system and the secondary network system;
the primary network system comprises a primary network water supply pipeline (1) and a primary network water return pipeline (2), wherein an inlet of the primary network water supply pipeline (1) is connected with outdoor primary network water supply, and an outlet of the primary network water supply pipeline (1) is connected with a primary network water inlet of the plate heat exchanger (12); an inlet of the primary net water return pipeline (2) is connected with a primary net water outlet of the plate heat exchanger (12), and an outlet of the primary net water return pipeline (2) is connected with outdoor primary net water return;
the secondary net system comprises a secondary net water return pipeline (3), a secondary net water supply pipeline (4), a secondary net ground heating water return pipeline (5), a secondary net radiator water return pipeline (6), a secondary net ground heating water supply pipeline (7) and a secondary net radiator water supply pipeline (8), wherein the inlet of the secondary net water return pipeline (3) is respectively connected with the secondary net ground heating water return pipeline (5) and the water outlet of the secondary net radiator water return pipeline (6), and the outlet of the secondary net water return pipeline (3) is connected with the secondary net inlet of the plate type heat exchanger (12); the outlet of the secondary network water supply pipeline (4) is respectively connected with the water inlets of the secondary network ground heating water supply pipeline (7) and the secondary network radiator water supply pipeline (8), and the inlet of the secondary network water supply pipeline (4) is connected with the secondary network water outlet of the plate heat exchanger (12);
the water supplementing system comprises a primary net supplement secondary net pipeline (9), an inlet of the primary net supplement secondary net pipeline (9) is connected with the primary net water return pipeline (2), and an outlet of the primary net supplement secondary net pipeline (9) is connected with the secondary net water return pipeline (3).
2. The heat exchanger unit with double heating parameters as claimed in claim 1, wherein:
the primary net system further comprises a primary net bypass pipeline (10), an inlet of the primary net bypass pipeline (10) is connected with the primary net water supply pipeline (1), an outlet of the primary net bypass pipeline (10) is connected with the primary net water return pipeline (2), and a third ball valve (25) is mounted on the primary net bypass pipeline (10);
the secondary net system further comprises a secondary net bypass pipeline (11), an inlet of the secondary net bypass pipeline (11) is connected with the secondary net water return pipeline (3), an outlet of the secondary net bypass pipeline (11) is connected with the secondary net water supply pipeline (4), and a twelfth ball valve (61) and a third regulating valve (62) are mounted on the secondary net bypass pipeline (11).
3. The heat exchanger unit with double heating parameters as claimed in claim 2, wherein:
the primary pipe network bypass pipeline (10) is connected to a water flow inlet of the first ball valve (14) and a water flow outlet of the second ball valve (24), and when an outdoor primary pipe network is washed, dirt is prevented from entering equipment in a station;
the secondary net bypass pipeline (11) is connected to a water outlet of the circulating pump (31) and a water inlet of the fifth ball valve (33), when an outdoor secondary pipe network is washed, dirt is prevented from entering the plate heat exchanger (12), and the secondary net bypass pipeline (11) is used for enabling partial backwater of the secondary net to be mixed with water supplied by the secondary net and then supplied to the secondary net ground heating water supply pipeline (7) during normal operation.
4. A dual heat parameter heat exchanger unit according to any one of claims 1 to 2, wherein:
the primary network water supply pipeline (1) is sequentially provided with a first ball valve (14), a first temperature transmitter (15), a first pressure transmitter (16), a first Y-shaped filter (17) and a second pressure transmitter (18) according to the water flow direction;
the primary net water return pipeline (2) is sequentially provided with a heat meter (19), a third pressure transmitter (20), an electric regulating valve (21), a fourth pressure transmitter (22), a second temperature transmitter (23) and a second ball valve (24) according to the water flow direction.
5. The heat exchanger unit with double heating parameters as claimed in claim 1, wherein:
second Y type filter (29), sixth pressure transmitter (30), circulating pump (31), seventh pressure transmitter (32), fifth ball valve (33) are installed according to water flow direction in proper order in secondary net return water pipeline (3), fourth ball valve (26), third temperature transmitter (27), fifth pressure transmitter (28) are installed according to water flow direction in proper order in secondary net return water pipeline (3) and secondary net ground heating return water pipeline (5), install sixth ball valve (34), fourth temperature transmitter (35), eighth pressure transmitter (36) according to water flow direction in proper order with secondary net radiator return water pipeline (6).
Seventh ball valve (37), relief valve (38) are installed according to rivers direction in proper order in secondary network supply channel (4), and ninth pressure transmitter (39), first governing valve (40), tenth pressure transmitter (41), fifth temperature transmitter (42), eighth ball valve (43) are installed according to rivers direction in proper order in secondary network supply channel (4) and secondary network ground heating supply channel (7), and tenth pressure transmitter (44), second governing valve (45), eleventh pressure transmitter (46), sixth temperature transmitter (47), ninth ball valve (48) are installed according to rivers direction in proper order with secondary network radiator supply channel (8).
6. The heat exchanger unit with double heating parameters as claimed in claim 1, wherein: the primary net supplement secondary net pipeline (9) is sequentially provided with a tenth ball valve (49), a twelfth pressure transmitter (50), a third Y-shaped filter (51), a thirteenth pressure transmitter (52), a check valve (53), a fourteenth pressure transmitter (54), a pressure reducing valve (55), a fifteenth pressure transmitter (56), an electromagnetic valve (57), a fifteenth pressure transmitter (58), a flowmeter (59) and an eleventh ball valve (60) according to the water flow direction.
7. The heat exchanger unit with double heating parameters as claimed in claim 1, wherein: the electric control cabinet (13) is respectively connected with a first temperature transmitter (15), a first pressure transmitter (16), a second pressure transmitter (18), a heat meter (19), a third pressure transmitter (20), an electric control valve (21), a fourth pressure transmitter (22), a second temperature transmitter (23), a third temperature transmitter (27), a fifth pressure transmitter (28), a sixth pressure transmitter (30), a circulating pump (31), a seventh pressure transmitter (32), a fourth temperature transmitter (35), an eighth pressure transmitter (36), a ninth pressure transmitter (39), a tenth pressure transmitter (41), a fifth temperature transmitter (42), a tenth pressure transmitter (44), an eleventh pressure transmitter (46), a sixth temperature transmitter (47), a twelfth pressure transmitter (50), a thirteenth pressure transmitter (52), A fourteenth pressure transmitter (54), a fifteenth pressure transmitter (56), an electromagnetic valve (57), a fifteenth pressure transmitter (58) and a flowmeter (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396963.XU CN215765370U (en) | 2021-06-23 | 2021-06-23 | Heat exchanger unit with double heating parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396963.XU CN215765370U (en) | 2021-06-23 | 2021-06-23 | Heat exchanger unit with double heating parameters |
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| Publication Number | Publication Date |
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| CN215765370U true CN215765370U (en) | 2022-02-08 |
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| CN202121396963.XU Active CN215765370U (en) | 2021-06-23 | 2021-06-23 | Heat exchanger unit with double heating parameters |
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| CN (1) | CN215765370U (en) |
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2021
- 2021-06-23 CN CN202121396963.XU patent/CN215765370U/en active Active
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