Skid-mounted novel energy-saving heat exchange unit

Abstract

The utility model provides a skid-mounted type novel energy-saving heat exchange unit which comprises a plate heat exchanger, the plate heat exchanger is divided into a primary side and a secondary side, the plate heat exchanger comprises a heat source inlet, a heat source outlet, a cold source inlet and a cold source outlet, the heat source inlet and the heat source outlet belong to the primary side, and the cold source inlet and the cold source outlet belong to the secondary side. A primary water supply pipeline, a primary water return pipeline, a secondary water supply pipeline and a secondary water return pipeline are installed on the primary side and the secondary side of the plate heat exchanger respectively, spiral slag removers are installed on the primary water supply pipeline and the secondary water return pipeline respectively, and an electric control valve is installed on the primary water return pipeline. The utility model has the beneficial effects that the corrosion condition of the inner wall of the pipeline is reduced, the water resistance formed by gas when water is conveyed in the pipeline is reduced, the use efficiency of a heat exchange unit is improved, and the service life of the whole system is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pry mounted novel energy -conserving heat exchange unit belongs to heat exchange unit field. BACKGROUND

[0002] The pry mounted heat exchange unit is a kind of high-efficiency heat exchange equipment developed in recent years, is widely used in heat recovery and energy conversion in the fields such as petroleum, chemical industry, electric power, heating, utilizes its compact structure, small footprint, easy installation, simple operation, easy maintenance and overhaul etc., main components such as heat exchanger, circulating pump, control system are integrated on a pry mounted base, can be combined and expanded by modular way to meet the heat exchange demand of different scales and process requirements, in the prior art, the gas generated along with system water replenishment of traditional heat exchange unit needs artificial continuous patrol exhaust, improper handling system water resistance is increasingly large, cause heat exchange efficiency to reduce year by year, water pump operating power increases, water body oxygenation causes pipeline oxidation corrosion more and more serious, corrosion product blocks filter and increases system resistance, system service life is shortened, so a pry mounted novel energy -conserving heat exchange unit capable of reducing the gas content of medium transported in pipeline is needed to be designed. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a pry mounted novel energy -conserving heat exchange unit to solve the problems in the background art, which reduces the corrosion of the inner wall of the pipeline, reduces the water resistance caused by gas formation when the water body is transported in the pipeline, and improves the use efficiency of the heat exchange unit and the service life of the whole system.

[0004] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a pry mounted novel energy -conserving heat exchange unit, comprising a plate heat exchanger, the plate heat exchanger is divided into primary side and secondary side, the plate heat exchanger includes heat source inlet, heat source outlet, cold source inlet and cold source outlet, wherein the heat source inlet and the heat source outlet belong to the primary side, and the cold source inlet and the cold source outlet belong to the secondary side, a primary water supply pipeline, a primary return water pipeline, a secondary water supply pipeline and a secondary return water pipeline are respectively installed on the primary side and the secondary side of the plate heat exchanger, a spiral deslagging device is installed on the primary water supply pipeline and the secondary return water pipeline, an electric regulating valve is installed on the primary return water pipeline, a pressure transmitter and a temperature transmitter are installed on the secondary water supply pipeline and the secondary return water pipeline, the pressure transmitter is located on the right side of the temperature transmitter, an automatic vacuum degassing system is installed on the secondary return water pipeline, and a heat table is installed on the secondary water supply pipeline.

[0005] Further, the heat source inlet and the heat source outlet belong to a primary side of the plate heat exchanger, the cold source inlet and the cold source outlet belong to a secondary side of the plate heat exchanger, the heat source inlet and the heat source outlet are installed on one side of the plate heat exchanger, and the cold source outlet and the cold source inlet are installed on the other side of the plate heat exchanger.

[0006] Further, the heat source inlet is installed on the upper portion of the primary side of the plate heat exchanger, the cold source outlet is installed on the upper portion of the secondary side of the plate heat exchanger, the heat source outlet is installed on the lower portion of the primary side of the plate heat exchanger, and the cold source inlet is installed on the lower portion of the secondary side of the plate heat exchanger.

[0007] Further, the heat source inlet of the plate heat exchanger is connected with a primary water supply pipeline, the heat source outlet of the plate heat exchanger is connected with a primary return water pipeline, the cold source inlet of the plate heat exchanger is connected with a secondary return water pipeline, and the cold source outlet of the plate heat exchanger is connected with a secondary water supply pipeline.

[0008] Further, a blowdown valve is installed on each of the primary return water pipeline and the secondary return water pipeline, the blowdown valves are respectively installed at the heat source outlet and the cold source inlet of the plate heat exchanger, a shut-off valve, a circulating water pump and a check valve are sequentially installed on the secondary return water pipeline along a flow direction, and an electromagnetic valve is installed on the secondary water supply pipeline.

[0009] Further, a safety valve is installed on the secondary return water pipeline, a pressure transmitter, a thermometer, a temperature transmitter and a heat meter are sequentially installed on the secondary water supply pipeline along a flow direction, a pressure transmitter, a thermometer, a spiral deslagger, a pressure meter, a temperature transmitter and an automatic vacuum degassing system are sequentially installed on the secondary return water pipeline along a flow direction, a thermometer and a pressure meter are sequentially installed on the primary water supply pipeline along a flow direction, and an electric regulating valve, a temperature transmitter, a pressure meter and a thermometer are sequentially installed on the primary return water pipeline along a flow direction.

[0010] The utility model discloses a kind of pry-mounted novel energy-saving heat exchange units, by being provided with automatic vacuum degassing system on secondary return water pipeline, so that the water that comes back or is supplemented, through vacuum suction effect, manufacturing system negative pressure state, effectively remove dissolved gas contained in running water body, in stable circulation system, make the dissolved oxygen content of water body less than or equal to 0.1mg / L industrial boiler water quality standard, solve the problem of gas jam, gas singing caused by gas, affect system safety and thermal economy etc., reduce the energy consumption when heat exchange unit works.

[0011] Adopt negative pressure automatic vacuum degassing system, reduce the gas in system and the air resistance generated by gas, improve the efficiency of heat exchange system.

[0012] Spiral slag remover can remove system impurities of micron grade particle size, reduce water resistance generated by traditional filter, make system resistance tend to design condition, improve water body conveying efficiency in heat exchanging unit, thereby save operation cost of heat exchanging unit. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments read in conjunction with the accompanying drawings:

[0014] Figure 1 It is a whole structure schematic view of the pry-mounted novel energy-saving heat exchanging unit of the present application;

[0015] Figure 2 It is an enlarged view of A in the pry-mounted novel energy-saving heat exchanging unit of the present application;

[0016] Figure 3 It is an enlarged view of B in the pry-mounted novel energy-saving heat exchanging unit of the present application;

[0017] In the figure: 1, plate heat exchanger; 2, blowdown valve; 3, circulating water pump; 4, check valve; 5, electromagnetic valve; 6, heat table; 7, shut-off valve; 8, spiral slag remover; 9, primary water supply pipeline; 10, secondary water supply pipeline; 11, secondary return water pipeline; 12, primary return water pipeline; 13, electric regulating valve; 14, safety valve; 15, temperature transmitter; 16, thermometer; 17, pressure transmitter; 18, pressure gauge; 19, vacuum degassing machine. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0019] Please refer to Figures 1-3The utility model provides a technical scheme: a pry mounted novel energy -conserving heat exchange unit, including plate heat exchanger 1, plate heat exchanger 1 is divided into primary side and secondary side, plate heat exchanger 1 includes heat source import, heat source export, cold source import and cold source export, wherein heat source import and heat source export belong to primary side, and cold source import and cold source export belong to secondary side, and plate heat exchanger 1's primary side and secondary side are installed with primary water supply pipeline 9, primary return water pipeline 12, secondary water supply pipeline 10 and secondary return water pipeline 11 respectively, and spiral deslagging device 8 is installed on primary water supply pipeline 9 and secondary return water pipeline 11, and electric regulating valve 13 is installed on primary return water pipeline 12, and pressure transmitter 17 and temperature transmitter 15 are installed on secondary water supply pipeline 10 and secondary return water pipeline 11, and pressure transmitter 17 is located the right side of temperature transmitter 15, and automatic vacuum degassing system 19 is installed on secondary return water pipeline 11, and heat table 6 is installed on secondary water supply pipeline 10, and through the heat table 6 of setting can monitor and meter the heat energy consumption condition such as heat supply, cold supply and hot water of building, factory and other places, to realize the purpose of energy management and energy saving and emission reduction.

[0020] Please refer to Figure 1 And Figure 2 Heat source import and heat source export belong to plate heat exchanger 1's primary side, and cold source import and cold source export belong to plate heat exchanger 1's secondary side, heat source import and heat source export are installed on one side of plate heat exchanger 1, and cold source export and cold source import are installed on the other side of plate heat exchanger 1, heat source import is installed on the upper portion of plate heat exchanger 1's primary side, cold source export is installed on the upper portion of plate heat exchanger 1's secondary side, heat source export is installed on the lower portion of plate heat exchanger 1's primary side, and cold source import is installed on the lower portion of plate heat exchanger 1's secondary side, and heat source import of plate heat exchanger 1 is connected with primary water supply pipeline 9, heat source export of plate heat exchanger 1 is connected with primary return water pipeline 12, cold source import of plate heat exchanger 1 is connected with secondary return water pipeline 11, and cold source export of plate heat exchanger 1 is connected with secondary water supply pipeline 10, by installing different function water supply pipeline at different water source import and export, can make heat exchange unit stably heat exchange operation, improve the stability of heat exchange unit in the use process.

[0021] Please refer to Figures 1-3The blowdown valve 2 is installed on the primary return water pipeline 12 and the secondary return water pipeline 11, and is installed at the heat source outlet and the cold source inlet of the plate heat exchanger 1 respectively. The relevant shut-off valve 7, the circulating water pump 3 and the check valve 4 are installed on the secondary return water pipeline 11 in sequence along the flow direction. The electromagnetic valve 5 is installed on the secondary water supply pipeline 10. The safety valve 14 is installed on the secondary return water pipeline 11. The pressure transmitter 17, the thermometer 16, the temperature transmitter 15 and the heat meter 6 are installed on the secondary water supply pipeline 10 in sequence along the flow direction. The pressure transmitter 17, the thermometer 16, the spiral desludging device 8, the pressure gauge 18, the temperature transmitter 15 and the automatic vacuum degassing system 19 are installed on the secondary return water pipeline 11 in sequence along the flow direction. The thermometer 16 and the pressure gauge 18 are installed on the primary water supply pipeline 9 in sequence along the flow direction. The electric regulating valve 13, the temperature transmitter 15, the pressure gauge 18 and the thermometer 16 are installed on the primary return water pipeline 12 in sequence along the flow direction. The pressure transmitter 17 and the temperature transmitter 15 installed on the primary return water pipeline 12, the secondary water supply pipeline 10 and the secondary return water pipeline 11 can collect data information at any time, so that different data in each pipeline can be collected synchronously, and then transmitted to the central control room through the control device.

[0022] Specific implementation: the automatic vacuum degassing system 19 is arranged on the secondary return water pipeline 11, so that the returned water or the added water is subjected to vacuum suction to form a negative pressure state of the system, effectively removes the dissolved gas in the running water, and makes the dissolved oxygen content of the water in the stable circulating system less than or equal to 0.1 mg / L of the industrial boiler water quality standard, thereby solving the problems of gas blockage, gas singing, affecting system safety and thermal economy and the like caused by gas, reducing the energy consumption of the heat exchange unit during work, reducing the gas in the system and the gas resistance caused by the gas by using the negative pressure automatic vacuum degassing system 19, and improving the efficiency of the heat exchange system. At the same time, the system reduces the oxygen content of the running water, further reduces the occurrence of oxidation corrosion, prolongs the service life of the system pipeline, the spiral desludging device 8 can remove the micron-sized system impurities, reduces the water resistance generated by the traditional filter, makes the system resistance tend to the design condition, improves the efficiency of the water transportation in the heat exchange unit, and thereby saves the operation cost of the heat exchange unit.

[0023] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A new energy-saving heat exchanger unit in a pry-mounted form, comprising a plate heat exchanger (1), characterized in that: The plate heat exchanger (1) is divided into primary side and secondary side, the plate heat exchanger (1) includes heat source inlet, heat source outlet, cold source inlet and cold source outlet, wherein heat source inlet and heat source outlet belong to primary side, cold source inlet and cold source outlet belong to secondary side, the plate heat exchanger (1) primary side and secondary side are respectively installed with one water supply pipeline (9), one return water pipeline (12), secondary water supply pipeline (10) and secondary return water pipeline (11), the one water supply pipeline (9) and secondary return water pipeline (11) are all installed with spiral deslagging device (8), the one return water pipeline (12) is installed with electric regulating valve (13), the secondary water supply pipeline (10) and secondary return water pipeline (11) are all installed with pressure transmitter (17) and temperature transmitter (15), the pressure transmitter (17) is located at the right side of temperature transmitter (15), the secondary return water pipeline (11) is installed with automatic vacuum degassing system (19), the secondary water supply pipeline (10) is installed with heat table (6).

2. A new energy-saving heat exchanger unit in a pry-down form according to claim 1, characterized in that: The heat source inlet and heat source outlet belong to the primary side of the plate heat exchanger (1), and the cold source inlet and cold source outlet belong to the secondary side of the plate heat exchanger (1), the heat source inlet and heat source outlet are installed on one side of the plate heat exchanger (1), and the cold source outlet and cold source inlet are installed on the other side of the plate heat exchanger (1).

3. A new energy-saving heat exchanger unit in a pry-down form according to claim 2, characterized in that: The heat source inlet is installed on the upper part of the primary side of the plate heat exchanger (1), the cold source outlet is installed on the upper part of the secondary side of the plate heat exchanger (1), the heat source outlet is installed on the lower part of the primary side of the plate heat exchanger (1), and the cold source inlet is installed on the lower part of the secondary side of the plate heat exchanger (1).

4. The new energy-saving heat exchanger unit in a pry dress according to claim 1, characterized in that: The heat source inlet of the plate heat exchanger (1) is connected with the one water supply pipeline (9), the heat source outlet of the plate heat exchanger (1) is connected with the one return water pipeline (12), the cold source inlet of the plate heat exchanger (1) is connected with the secondary return water pipeline (11), and the cold source outlet of the plate heat exchanger (1) is connected with the secondary water supply pipeline (10).

5. The new energy-saving heat exchanger unit in a pry dress according to claim 1, characterized in that: The one return water pipeline (12) and the secondary return water pipeline (11) are all installed with blowdown valve (2), the blowdown valve (2) is respectively installed at the heat source outlet and the cold source inlet of the plate heat exchanger (1), the secondary return water pipeline (11) is sequentially installed with relevant cut-off valve (7), circulating water pump (3) and check valve (4) along the flow direction, and the secondary water supply pipeline (10) is installed with electromagnetic valve (5).

6. A new energy-saving heat exchanger unit in a skid-mounted form according to claim 1, characterized in that: The secondary water return pipeline (11) is provided with a safety valve (14), the secondary water supply pipeline (10) is sequentially provided with a pressure transmitter (17), a thermometer (16), a temperature transmitter (15) and a heat meter (6) along the flow direction, the secondary water return pipeline (11) is sequentially provided with a pressure transmitter (17), a thermometer (16), a spiral deslagging device (8), a pressure meter (18), a temperature transmitter (15) and an automatic vacuum degassing system (19) along the flow direction, the primary water supply pipeline (9) is sequentially provided with a thermometer (16) and a pressure meter (18) along the flow direction, and the primary water return pipeline (12) is sequentially provided with an electric regulating valve (13), a temperature transmitter (15), a pressure meter (18) and a thermometer (16) along the flow direction.

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