CN216716338U - Warehouse heating system based on heating power net is hydrophobic - Google Patents
Warehouse heating system based on heating power net is hydrophobic Download PDFInfo
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- CN216716338U CN216716338U CN202122615165.8U CN202122615165U CN216716338U CN 216716338 U CN216716338 U CN 216716338U CN 202122615165 U CN202122615165 U CN 202122615165U CN 216716338 U CN216716338 U CN 216716338U
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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
Technical Field
The utility model relates to the technical field of heating systems, in particular to a warehouse heating system based on drainage of a heating power grid.
Background
High-temperature hydrophobic and/or unsaturated steam generated by a heat distribution network on the market is generally directly discharged to a sewer, so that heat energy of the high-temperature hydrophobic and/or unsaturated steam is wasted, heat pollution is caused, the discharged high-temperature hydrophobic and/or unsaturated steam is easily scalded by misoperation of an operator in the process of discharging the high-temperature hydrophobic and/or unsaturated steam, and then the temperature and pressure regulating capacity of the existing heating system adopting the high-temperature hydrophobic and/or unsaturated steam as a heat source is insufficient, so that the temperature and pressure control of the high-temperature hydrophobic and/or unsaturated steam in the heating system is unstable.
The utility model is researched and proposed aiming at the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The heating system aims at the technical problems that high-temperature hydrophobic and/or unsaturated steam generated by the heating power network in the prior art is generally directly discharged to a sewer, the heat energy of the high-temperature hydrophobic and/or unsaturated steam is wasted, heat pollution is caused, the high-temperature hydrophobic and/or unsaturated steam is easily scalded by the discharged high-temperature hydrophobic and/or unsaturated steam due to misoperation of operators in the process of discharging the high-temperature hydrophobic and/or unsaturated steam, the temperature and pressure regulating capacity of the existing heating system adopting the high-temperature hydrophobic and/or unsaturated steam as a heat source is insufficient, the temperature and pressure of the high-temperature hydrophobic and/or unsaturated steam in the heating system are unstable, and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a warehouse heating system based on heating power net is hydrophobic, is including the heat supply pipeline, the pressure regulating device and the heat exchange device that connect gradually, the pressure and the temperature of the pressure regulating device that adjusts heat supply pipeline exhaust steam and/or water, heat exchange device carries out the heat transfer through the steam and/or the water after the pressure regulating device that adjusts temperature handles and the air in the warehouse.
As above hydrophobic warehouse heating system based on heating power net, the pressure regulating device that adjusts the temperature is including the pressure reducing valve that subtracts that connects gradually, first manometer and first thermometer, first manometer is used for detecting the exit pressure of the steam and/or the water of reducing the temperature pressure valve exhaust, first thermometer is used for detecting the temperature of the steam and/or the water of reducing the temperature pressure valve exhaust.
The heat exchange device comprises a first stop valve, a second pressure gauge, a second thermometer and a heat exchanger which are connected in sequence, wherein the second pressure gauge is used for detecting the pressure of steam and/or water flowing into the heat exchanger, and the second thermometer is used for detecting the temperature of the steam and/or water flowing into the heat exchanger.
According to the warehouse heating system based on heat distribution network drainage, the drainage device is arranged between the temperature and pressure adjusting device and the heat exchange device.
As above, a warehouse heating system based on heating power net is hydrophobic, hydrophobic device is including connecting the third manometer between temperature regulation and pressure regulation device and heat exchange device to and respectively with parallelly connected first drain pipe and the second drain pipe that sets up of third manometer, first drain pipe is last to have connected gradually first ball valve and steam trap, be connected with the second ball valve on the second drain pipe.
According to the warehouse heating system based on the drainage of the heating power grid, the second stop valve is arranged between the temperature and pressure adjusting device and the drainage device.
According to the warehouse heating system based on the drainage of the heat distribution network, a filter is arranged between the second stop valve and the drainage device.
The utility model has the beneficial effects that: the utility model connects heat supply pipe, temperature and pressure adjusting device and heat exchange device in turn at the drainage position of heat supply network, the steam and/or water discharged by heat supply network flows to the temperature and pressure adjusting device through heat supply pipe, when the steam and/or water is discharged from heat supply network, the pressure and temperature are in a dangerous range (for example, the pressure is 0.8Mpa, the temperature is 170 ℃), the steam and/or water is adjusted by the temperature and pressure adjusting device to become steam and/or water (the pressure is 0.2MPa, the temperature is 115 ℃) with a safer and more stable temperature range, then flows to the heat exchange device, exchanges heat with the air in the warehouse through the heat exchange device, heats the air in the warehouse, the steam and/or water finally becomes warm water with 35-40 ℃ and is discharged to the sewer, the heat energy of steam and/or water generated by heat supply network is fully utilized, the waste heat discharge of the heating power network is reduced, the heat pollution is reduced, the temperature of discharged waste water is not high, and operators cannot be scalded.
The utility model will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the heating process of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the warehouse heating system based on heating power grid drainage of the embodiment includes a heating pipeline 1, a temperature and pressure regulating device 2 and a heat exchange device 3, which are connected in sequence, wherein the temperature and pressure regulating device 2 is used for regulating the pressure and temperature of steam and/or water discharged from the heating pipeline, and the heat exchange device 3 exchanges heat with air in a warehouse through the steam and/or water processed by the temperature and pressure regulating device 2; the utility model connects heat supply pipe, temperature and pressure adjusting device and heat exchange device in turn at the drainage position of heat supply network, the steam and/or water discharged by heat supply network flows to the temperature and pressure adjusting device through heat supply pipe, when the steam and/or water is discharged from heat supply network, the pressure and temperature are in a dangerous range (for example, the pressure is 0.8Mpa, the temperature is 170 ℃), the steam and/or water is adjusted by the temperature and pressure adjusting device to become steam and/or water (the pressure is 0.2MPa, the temperature is 115 ℃) with a safer and more stable temperature range, then flows to the heat exchange device, exchanges heat with the air in the warehouse through the heat exchange device, heats the air in the warehouse, the steam and/or water finally becomes warm water with 35-40 ℃ and is discharged to the sewer, the heat energy of steam and/or water generated by heat supply network is fully utilized, the waste heat discharge of the heating power network is reduced, the heat pollution is reduced, the temperature of discharged waste water is not high, and operators cannot be scalded.
In this embodiment, the temperature and pressure regulating device 2 includes a temperature and pressure reducing valve 21, a first pressure gauge 22 and a first thermometer 23, which are sequentially connected, where the first pressure gauge 22 is used to detect the outlet pressure of the steam and/or water discharged from the temperature and pressure reducing valve 21, and the first thermometer 23 is used to detect the temperature of the steam and/or water discharged from the temperature and pressure reducing valve 21; the pressure and the temperature of the steam and/or water outlet of the pressure reducing and temperature reducing valve flowing to the heat exchange device can be monitored in real time by an operator, so that the pressure and the temperature of the steam and/or water regulated by the pressure reducing and temperature reducing valve are controlled to be within a safe range, and the safety performance of a heating system is improved.
In this embodiment, the heat exchange device 3 includes a first stop valve 31, a second pressure gauge 32, a second temperature gauge 33 and a heat exchanger 34 connected in sequence, the second pressure gauge 32 is used for detecting the pressure of the steam and/or water flowing into the heat exchanger 34, and the second temperature gauge 33 is used for detecting the temperature of the steam and/or water flowing into the heat exchanger 34; when the pressure and the temperature of the steam and/or water flowing to the heat exchanger reach a certain range, the steam and/or water flowing to the heat exchanger is cut off through the first stop valve, the steam and/or water is stopped from being continuously supplied to the heat exchanger, the temperature pressure in the heat exchanger is prevented from being overhigh, and when the temperature pressure is reduced to a certain range after the heat exchanger and air in a warehouse perform heat exchange operation for a period of time, the first stop valve is opened again, and the steam and/or water is supplied to the heat exchanger again; when the second pressure gauge, the second thermometer and the heat exchanger need to be overhauled and replaced, only the first stop valve needs to be closed, steam and/or water in the heat exchange device is discharged into a sewer through the heat exchanger, the pressure and the temperature can be reduced to a safe range for operation, the steam and/or the water in the whole heating system does not need to be emptied, and the normal operation of the temperature and pressure regulating device is not influenced.
In the embodiment, a drainage device 4 is arranged between the temperature and pressure adjusting device 2 and the heat exchange device 3; the drainage device is used for removing condensed water in steam and preventing water hammer in the heating system, and 1) when the heat exchange device is closed to intercept steam and/or water due to the need of maintenance and replacement of fittings, the steam and/or water conveyed by the temperature and pressure regulating device can be discharged from the water drainage device, therefore, the pressure of steam and/or water in the heating system is kept within a safe range, the normal operation of the temperature and pressure regulating device is not influenced, 2) when the temperature and pressure regulating device needs to be overhauled and the fittings are replaced, the temperature and pressure regulating device and the heat exchange device are closed to cut off the steam and/or water (preferably, a temperature and pressure reducing valve on the temperature and pressure regulating device and a first cut-off valve on the heat exchange device are closed), the steam and/or water in the temperature and pressure regulating device is discharged to a sewer through a drainage device, and the pressure and the temperature in the temperature and pressure regulating device reach the safe range, so that the work of overhauling and replacing the fittings can be carried out.
In this embodiment, the drainage device 4 includes a third pressure gauge 41 connected between the temperature and pressure adjusting device 2 and the heat exchanging device 3, and a first drainage pipe 42 and a second drainage pipe 43 respectively connected in parallel with the third pressure gauge 41, the first drainage pipe 42 is sequentially connected with a first ball valve 421 and a drainage device 422, and the second drainage pipe 43 is connected with a second ball valve 431; the third pressure gauge is used for monitoring the pressure of steam and/or water flowing to the steam trap and the heat exchange device, the first ball valve on the first steam trap pipe is in a normally open state, the second ball valve on the second steam trap pipe is in a normally closed state, under general conditions, the steam and/or water in the heating system is usually discharged from the steam trap on the first steam trap pipe, when the steam trap needs to be overhauled and replaced, an operator closes the first ball valve and opens the second ball valve at the same time, the first ball valve cuts off the steam and/or water flowing to the steam trap, the residual steam and/or water in the steam trap is discharged to a sewer, the overhauling and replacement work can be carried out when the pressure and the temperature in the steam trap are reduced to a safe range, the steam and/or water in the heating system is directly discharged to the sewer from the second steam trap pipe, and when the steam trap finishes the overhauling and replacement work, and opening the first ball valve and closing the second ball valve simultaneously to enable the steam trap to start the steam trap to drain again.
In this embodiment, a second stop valve 5 is arranged between the temperature and pressure adjusting device 2 and the drainage device 4; when the fittings on the pipe section between the second stop valve and the heat exchange device need to be overhauled and replaced, the second stop valve and the heat exchange device (preferably the first stop valve on the heat exchange device) are only required to be closed, residual steam and/or water in the pipe section between the second stop valve and the heat exchange device is discharged to a sewer through the water drainage device, and the fittings can be overhauled and replaced when the pressure and the temperature in the pipe section between the second stop valve and the heat exchange device are reduced to a safe range.
In this embodiment, a filter 6 is disposed between the second stop valve 5 and the water drainage device 4; preferably a Y-type filter for removing impurities such as rust, sand and other small solid particles from the vapor and/or water) to protect the fittings and devices (preferably the hydrophobic device and the heat exchange device) behind the second shut-off valve from normal use.
In this embodiment, a safety valve 7 is disposed between the third pressure gauge 41 and the heat exchanger 3, and when the pressure of the steam in the heating system is greater than 0.4MPa, the safety valve operates to release the pressure to reduce the pressure of the steam, so as to ensure that the pressure of the steam input into the heat exchanger is reduced to a safe range, thereby improving the safety performance of the heating system.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the 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).
Priority Applications (1)
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CN202122615165.8U CN216716338U (en) | 2021-10-28 | 2021-10-28 | Warehouse heating system based on heating power net is hydrophobic |
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CN202122615165.8U CN216716338U (en) | 2021-10-28 | 2021-10-28 | Warehouse heating system based on heating power net is hydrophobic |
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CN216716338U true CN216716338U (en) | 2022-06-10 |
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2021
- 2021-10-28 CN CN202122615165.8U patent/CN216716338U/en active Active
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