CN216716338U - A Warehouse Heating System Based on Thermal Network Drainage - Google Patents

Abstract

The utility model discloses a warehouse heating system based on heating power grid drainage, which is characterized in that: comprises a heat supply pipeline, a temperature and pressure regulating device and a heat exchange device which are connected in sequence; the steam and/or water discharged by the heating power network flows to the temperature and pressure regulating device through the heat supply pipeline, when the steam and/or water is discharged from the heating power network, the pressure and the temperature are in a dangerous range, the steam and/or water are regulated by the temperature and pressure regulating device to form the steam and/or water with the temperature and the pressure in a safe and stable range, then the steam and/or water flows to the heat exchange device, the steam and/or water exchange heat with the air in the warehouse through the heat exchange device to heat the air in the warehouse, and the steam and/or water finally becomes 35-40 ℃ warm water to be discharged to a sewer.

Description

A Warehouse Heating System Based on Thermal Network Drainage

technical field

The utility model relates to the technical field of heating systems, in particular to a warehouse heating system based on thermal network drainage.

Background technique

At present, the high-temperature hydrophobic and/or unsaturated steam produced by the thermal network on the market is usually discharged directly to the sewer, which not only wastes the thermal energy of the high-temperature hydrophobic and/or unsaturated steam, but also causes thermal pollution, and discharges the high-temperature hydrophobic and/or unsaturated steam. It is easy to be scalded by the high-temperature hydrophobic and/or unsaturated steam discharged due to improper operation of the operator during the process, and secondly, the existing heating system using high-temperature hydrophobicity and/or unsaturated steam as the heat source has insufficient temperature and pressure regulation capabilities. , unstable to the temperature and pressure control of high temperature drain and/or unsaturated steam in the heating system.

The utility model is researched and proposed for the deficiencies of the prior art.

Utility model content

The high-temperature hydrophobic and/or unsaturated steam generated by the thermal network in the prior art mentioned above is usually directly discharged to the sewer, which not only wastes the thermal energy of the high-temperature hydrophobic and/or unsaturated steam, but also causes thermal pollution, and in the discharge of the high-temperature hydrophobic And/or unsaturated steam is easily scalded by the high-temperature hydrophobic and/or unsaturated steam discharged due to improper operation of the operator, and secondly, the existing heating system using high-temperature hydrophobic and/or unsaturated steam as the heat source Insufficient ability to adjust temperature and pressure, and technical problems such as unstable temperature and pressure control of high-temperature drain and/or unsaturated steam in the heating system.

The technical scheme adopted by the utility model to solve the technical problem is:

A warehouse heating system based on thermal network hydrophobicity, comprising a heating pipeline, a temperature and pressure regulating device and a heat exchange device connected in sequence, the temperature regulating and pressure regulating device being used for regulating the amount of steam and/or water discharged from the heating pipeline. Pressure and temperature, the heat exchange device exchanges heat with the air in the warehouse through the steam and/or water processed by the temperature and pressure regulating device.

As described above, a warehouse heating system based on thermal network hydrophobicity, the temperature and pressure regulating device comprises a temperature reducing and pressure reducing valve, a first pressure gauge and a first thermometer connected in sequence, and the first pressure gauge is used to detect The outlet pressure of the steam and/or water discharged from the temperature reducing and pressure reducing valve, and the first thermometer is used to detect the temperature of the steam and/or water discharged from the temperature reducing and pressure reducing valve.

As described above, a warehouse heating system based on thermal network drainage, the heat exchange device comprises a first shut-off valve, a second pressure gauge, a second thermometer and a heat exchanger connected in sequence, and the second pressure gauge is used for The pressure of the steam and/or water flowing into the heat exchanger is detected, and the second thermometer is used to detect the temperature of the steam and/or water flowing into the heat exchanger.

In the above-mentioned warehouse heating system based on thermal network hydrophobicity, a hydrophobic device is provided between the temperature and pressure regulating device and the heat exchange device.

A kind of warehouse heating system based on thermal network hydrophobicity as described above, the hydrophobic device comprises a third pressure gauge connected between the temperature and pressure regulating device and the heat exchange device, and a third pressure gauge arranged in parallel with the third pressure gauge respectively. A drain pipe and a second drain pipe, the first drain pipe is connected with a first ball valve and a steam trap in sequence, and the second drain pipe is connected with a second ball valve.

In the above-mentioned warehouse heating system based on thermal network drainage, a second shut-off valve is provided between the temperature and pressure regulating device and the water drainage device.

In the above-mentioned warehouse heating system based on thermal net hydrophobicity, a filter is provided between the second shut-off valve and the hydrophobic device.

The beneficial effects of the utility model are: the utility model is connected with a heating pipeline, a temperature and pressure regulating device and a heat exchange device in sequence at the discharge drain of the thermal network, and the steam and/or water discharged from the thermal network flows through the heating pipeline. Temperature and pressure regulating device, when steam and/or water is discharged from the heat network, the pressure and temperature are in a relatively dangerous range (for example, the pressure reaches 0.8Mpa and the temperature reaches 170°C). The device is adjusted so that the temperature and pressure are in a relatively safe and stable range of steam and/or water (pressure is 0.2MPa, temperature is 115°C), and then flows to the heat exchange device, and heat exchange with the air in the warehouse through the heat exchange device. , heat the air, steam and/or water in the warehouse and finally turn it into warm water at 35-40°C and discharge it to the sewer, making full use of the thermal energy of the steam and/or water generated by the heat network, reducing the waste heat discharge of the heat network and reducing heat Pollution, and the temperature of the discharged wastewater is not high, and the operator will not be scalded.

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Description of drawings

FIG. 1 is a schematic diagram of the heating process of the present invention.

Detailed ways

The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , a warehouse heating system based on thermal network drainage in this embodiment includes a heating pipeline 1 , a temperature and pressure regulating device 2 and a heat exchange device 3 connected in sequence. The temperature and pressure regulating device 2 uses In order to adjust the pressure and temperature of the steam and/or water discharged from the heating pipeline, the heat exchange device 3 exchanges heat with the air in the warehouse through the steam and/or water processed by the temperature and pressure regulating device 2; the utility model By connecting a heating pipeline, a temperature and pressure regulating device and a heat exchange device in sequence at the discharge drain of the heating network, the steam and/or water discharged from the heating network flows to the temperature regulating and pressure regulating device through the heating pipeline, and the steam and/or water When discharged from the heat network, the pressure and temperature are in a relatively dangerous range (for example, the pressure reaches 0.8Mpa, and the temperature reaches 170°C). The steam and/or water are adjusted by the temperature and pressure regulating device, and the temperature and pressure are relatively safe and stable. The steam and/or water in the range (pressure is 0.2MPa, temperature is 115°C), and then flows to the heat exchange device, and heat exchange with the air in the warehouse through the heat exchange device, heating the air in the warehouse, steam and/or The water is finally turned into warm water at 35-40°C and discharged to the sewer, making full use of the heat energy of the steam and/or water generated by the heat network, reducing the waste heat discharge of the heat network, reducing thermal pollution, and the temperature of the discharged wastewater is not high, Operators will not be scalded.

In this embodiment, the temperature and pressure regulating device 2 includes a temperature reducing and pressure reducing valve 21 , a first pressure gauge 22 and a first thermometer 23 connected in sequence, and the first pressure gauge 22 is used to detect the temperature reducing and pressure reducing valve The outlet pressure of the steam and/or water discharged from 21, the first thermometer 23 is used to detect the temperature of the steam and/or water discharged from the decompression and decompression valve 21; so that the operator can monitor the flow of the decompression and decompression valve to the heat in real time. The outlet pressure and temperature of the steam and/or water of the exchange device are controlled, thereby controlling the pressure and temperature of the steam and/or water regulated by the decompression and temperature reduction valve to be in a safe range, thereby improving the safety performance of the heating system.

In this embodiment, the heat exchange device 3 includes a first shut-off valve 31 , a second pressure gauge 32 , a second thermometer 33 and a heat exchanger 34 connected in sequence, and the second pressure gauge 32 is used to detect the inflow heat exchange The pressure of the steam and/or water in the heat exchanger 34, the second thermometer 33 is used to detect the temperature of the steam and/or water flowing into the heat exchanger 34; enabling the operator to monitor the steam and/or water flowing to the heat exchanger in real time When the pressure and temperature of the steam and/or water in the heat exchanger reach a certain range, the steam and/or water flowing to the heat exchanger will be cut off through the first shut-off valve, and the continuous supply of steam to the heat exchanger will be stopped. and/or water to prevent the temperature and pressure in the heat exchanger from being too high. When the temperature and pressure drop to a certain range after the heat exchanger and the air in the warehouse have been exchanging heat for a period of time, the first shut-off valve will be reopened, and the The heat exchanger provides steam and/or water; when it is necessary to overhaul and replace the second pressure gauge, the second thermometer, and the heat exchanger, just close the first shut-off valve, and the steam and/or water in the heat exchange device will pass through the heat exchange The device can be drained into the sewer, and the pressure and temperature can be reduced to a safe range to operate without emptying the steam and/or water in the entire heating system, and will not affect the normal operation of the temperature and pressure regulating device.

In this embodiment, a water-repellent device 4 is arranged between the temperature and pressure regulation device 2 and the heat exchange device 3; the water-repellent device is used to remove the condensed water in the steam to prevent water hammer from occurring in the heating system, and 1 ) When the heat exchange device closes the interception of steam and/or water due to the need for maintenance and replacement of accessories, the steam and/or water delivered by the temperature and pressure regulating device can be discharged from the drain device, so that the steam and/or water in the heating system can be discharged. The pressure of the water is kept within a safe range and does not affect the normal operation of the temperature and pressure regulating device. 2) When the temperature and pressure regulating device needs to be repaired and replaced, close the temperature and pressure regulating device and the heat exchange device to intercept steam and/or water. (It is preferable to close the temperature reducing and pressure reducing valve on the temperature regulating and pressure regulating device and the first shut-off valve on the heat exchange device), so that the steam and/or water in the temperature regulating and pressure regulating device are discharged to the sewer through the drain device, so that the regulating When the pressure and temperature in the temperature and pressure regulating device reach a safe range, the work of overhauling and replacing accessories can be carried out.

In this embodiment, the draining device 4 includes a third pressure gauge 41 connected between the temperature and pressure regulating device 2 and the heat exchange device 3 , and a first draining pipe 42 and a first draining pipe 42 and The second drain pipe 43, the first ball valve 421 and the steam trap 422 are sequentially connected to the first drain pipe 42, and the second ball valve 431 is connected to the second drain pipe 43; the third pressure gauge is used to monitor the flow direction of the drain The steam and/or water pressure of the heat exchanger and the heat exchange device, the first ball valve on the first drain pipe is in a normally open state, and the second ball valve on the second drain pipe is in a normally closed state. Generally, The steam and/or water in the heating system is usually discharged from the steam trap on the first steam trap. When the steam trap needs to be repaired and replaced, the operator closes the first ball valve and opens the second ball valve. The first ball valve cuts off steam and / or water flows to the steam trap, and the remaining steam and / or water in the steam trap is discharged to the sewer. After the pressure and temperature in the steam trap are reduced to a safe range, maintenance and replacement work can be carried out, while the steam and / or water in the heating system Then it is directly discharged from the second drain pipe to the sewer. When the steam trap is overhauled and replaced, the first ball valve is opened and the second ball valve is closed, so that the steam trap restarts the drainage work.

In this embodiment, a second shut-off valve 5 is provided between the temperature and pressure regulating device 2 and the draining device 4; when it is necessary to repair and replace the fittings on the pipe section between the second shut-off valve and the heat exchange device, only Close the second shut-off valve and the heat exchange device (preferably close the first shut-off valve on the heat exchange device), and discharge the remaining steam and/or water in the pipe section between the second shut-off valve and the heat exchange device to the sewer through the drain device, After the pressure and temperature in the pipe section between the second shut-off valve and the heat exchange device are reduced to a safe range, the work of overhauling and replacing accessories can be carried out.

In this embodiment, a filter 6 is provided between the second shut-off valve 5 and the draining device 4; preferably a Y-type filter, the filter is used to remove impurities in the steam and/or water, such as rust, sand, etc. A small amount of solid particles such as particles) to protect the normal use of accessories and devices (preferably hydrophobic devices and heat exchange devices) behind the second shut-off valve.

In the present embodiment, a safety valve 7 is provided between the third pressure gauge 41 and the heat exchange device 3. When the pressure of the steam in the heating system is greater than 0.4MPa, the safety valve reduces the steam pressure by releasing pressure to ensure the input heat. The pressure of the exchange device steam is reduced to a safe range, which improves the safety performance of the heating system.

The above only further illustrates the technical content of the present utility model with examples, so that the reader can understand more easily, but does not mean that the embodiments of the present utility model are limited to this, any technical extension or re-creation done according to the present utility model, all protected by the utility model. The protection scope of the present utility model is subject to the claims.

Claims (7)

1. The utility model provides a warehouse heating system based on heating power net is hydrophobic which characterized in that: including heat supply pipeline (1), temperature and pressure regulating device (2) and heat exchange device (3) that connect gradually, temperature and pressure regulating device (2) are used for adjusting the pressure and the temperature of heat supply pipeline exhaust steam and/or water, heat exchange device (3) carry out the heat transfer through steam and/or water after temperature and pressure regulating device (2) are handled and the air in the warehouse.

2. The thermal grid drainage based warehouse heating system of claim 1, wherein: temperature adjusting and pressure regulating device (2) are including the pressure reducing valve (21), first manometer (22) and first thermometer (23) that connect gradually, first manometer (22) are used for detecting the exit pressure of pressure reducing valve (21) exhaust steam and/or water, first thermometer (23) are used for detecting the temperature of pressure reducing valve (21) exhaust steam and/or water.

3. The thermal grid drainage based warehouse heating system of claim 1, wherein: the heat exchange device (3) comprises a first stop valve (31), a second pressure gauge (32), a second thermometer (33) and a heat exchanger (34) which are connected in sequence, wherein the second pressure gauge (32) is used for detecting the pressure of steam and/or water flowing into the heat exchanger (34), and the second thermometer (33) is used for detecting the temperature of the steam and/or water flowing into the heat exchanger (34).

4. The thermal grid drainage based warehouse heating system of claim 1, wherein: and a water drainage device (4) is arranged between the temperature and pressure regulating device (2) and the heat exchange device (3).

5. The thermal grid drainage based warehouse heating system of claim 4, wherein: the water draining device (4) comprises a third pressure gauge (41) connected between the temperature and pressure adjusting device (2) and the heat exchange device (3) and a first water draining pipeline (42) and a second water draining pipeline (43) which are respectively connected with the third pressure gauge (41) in parallel, a first ball valve (421) and a steam trap (422) are sequentially connected onto the first water draining pipeline (42), and a second ball valve (431) is connected onto the second water draining pipeline (43).

6. The thermal grid drainage based warehouse heating system of claim 4, wherein: and a second stop valve (5) is arranged between the temperature and pressure adjusting device (2) and the water draining device (4).

7. The thermal grid drainage based warehouse heating system of claim 6, wherein: and a filter (6) is arranged between the second stop valve (5) and the water drainage device (4).

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