CN214792725U - Industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device - Google Patents
Industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device Download PDFInfo
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Abstract
The utility model discloses an industry refrigeration cycle water control simulation heat exchanger on-line monitoring device, including unit control simulation heat exchanger and on-line heat exchanger monitoring device, unit control simulation heat exchanger is including simulation return water unit, simulation circulating water supply unit, simulation tubular heat exchanger, simulation shell type heat exchanger, simulation plate heat exchanger, condenser, simulation heat exchanger vapour source moisturizing case, electric steam generator, vapour source access pipeline, outlet conduit, return water pipeline, inlet channel and main steam conduit. Through the on-line monitoring device of simulation circulating water supply unit and return water unit, for the digital management and control of industrial circulating water full flow and big data operation enable provide accurate data to in time carry out accurate judgement to circulating water quality of water, discover in advance that the heat exchanger probably takes place tendencies such as scale deposit, corruption or biological pollution, in time early warning and regulation and control, the operation managers of being convenient for in time discovers the safety in production problem and takes pertinent disposition measure in advance.
Description
Technical Field
The utility model relates to an industrial circulating water handles digital management and control technical field of full flow, specifically is an industrial cooling circulating water control simulation heat exchanger on-line monitoring device.
Background
At present, most domestic industrial enterprises of circulating water system management belongs to a traditional extensive management mode, water quality analysis is lagged, human errors are large, water quality supervision is not in place, effective management and control means such as scale prevention, corrosion prevention and biological pollution prevention of a heat exchanger are lacked, faults of a circulating water system are often caused, particularly heat exchanger units are produced, when scaling occurs, heat exchange efficiency is reduced, the temperature of production media exceeds the standard, energy consumption is increased, and machine units are frequently shut down due to overtemperature; the corrosion condition occurs individually, the leakage of the heat exchanger is caused, the pollution of production media is caused, or a large amount of media leaks into a circulating water system, the pollution of the whole circulating water system is caused, the indexes of the circulating water sewage system exceed the standards and other serious accidents are caused, meanwhile, the pollution of biological slime and other conditions can occur, and the normal and safe production of enterprises is seriously threatened.
The existing circulating water equipment is provided with online measuring points and related instruments, but data collected by the on-site measuring points or instruments is inaccurate, has no continuity and weak logicality due to the lack of a core digital control technology platform and a matched water quality monitoring and simulation monitoring heat exchanger unit, cannot realize effective detection and supervision on the quality of circulating water, cannot reflect the conditions of the heat exchanger on line, and cannot realize online safety monitoring on key heat exchangers. For this reason, a corresponding technical scheme needs to be designed for solution.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an online monitoring device of industry refrigeration cycle water control simulation heat exchanger has solved because present water circulating equipment lacks the digital management and control technique platform and supporting water quality monitoring and simulation control heat exchanger unit of core, causes the data of on-the-spot measurement station or instrument collection, and is inaccurate, does not have the continuity, and the logic is not strong, can't realize effective detection and supervision to circulating water quality of water, also can't the situation of on-line reaction heat exchanger, more can't accomplish the problem to the online safety monitoring of key heat exchanger.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an industrial cooling circulating water control simulation heat exchanger on-line monitoring device, includes unit control simulation heat exchanger and on-line heat exchanger monitoring device, unit control simulation heat exchanger is including simulation return water unit, simulation circulating water supply unit, simulation tubular heat exchanger, simulation shell type heat exchanger, simulation plate heat exchanger, condenser, simulation heat exchanger vapour source moisturizing case, electric steam generator, vapour source access pipeline, outlet conduit, wet return, inlet channel and main steam conduit, the inlet conduit is connected with simulation circulating water supply unit, be equipped with electronic flowmeter and first branch pipe on the inlet conduit, first branch pipe communicates with simulation tubular heat exchanger, simulation shell type heat exchanger, simulation plate heat exchanger respectively, the outlet conduit is connected with simulation return water unit, the outlet conduit is equipped with the second branch pipe, the second branch pipe respectively with simulation tubular heat exchanger, simulation shell type heat exchanger, simulation plate heat exchanger, The simulated shell type heat exchanger and the simulated plate type heat exchanger are communicated, the water return pipeline is connected with the condenser through a pipeline, an evacuation blowdown isolating valve is arranged on a pipe body connected with the condenser, a third branch pipe is arranged on the water return pipeline and is respectively communicated with the simulated tube type heat exchanger, the simulated shell type heat exchanger and the simulated plate type heat exchanger, the condenser is connected with a steam source water supplementing tank of the simulated heat exchanger through a pipe body, the steam source water supplementing tank of the simulated heat exchanger is connected with an electric steam generator through a pipe body, a pressure monitoring protection device is arranged on the electric steam generator, the electric steam generator is connected with a main steam pipeline, the main steam pipeline is connected with a steam source access pipeline through a fourth branch pipe, a third isolating valve is arranged on the fourth branch pipe, and an outlet pressure gauge, a fourth outlet isolating valve, The steam pressure regulating device, the temperature measuring point, the online flow monitoring device and the fifth branch pipe are respectively communicated with the simulated tubular heat exchanger, the simulated shell type heat exchanger and the simulated plate type heat exchanger; the online heat exchanger monitoring device comprises a circulating water main pipeline, a circulating water return main pipeline, a shell type heat exchanger, a plate type heat exchanger, a tubular heat exchanger water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected with the circulating water main pipeline, a sixth branch pipe is arranged on the water inlet pipe and is respectively connected with one end of the shell type heat exchanger, the plate type heat exchanger and one end of the tubular heat exchanger, a seventh branch pipe is arranged at the other end of the shell type heat exchanger, the plate type heat exchanger and the other end of the tubular heat exchanger, the seventh branch pipe is connected with the water outlet pipe, and the water outlet pipe is connected with the circulating water return main pipeline.
Preferably, a second isolating valve and a water replenishing pump are arranged on the connecting pipe body of the steam source water replenishing tank and the electric steam generator of the simulation heat exchanger, and a first isolating valve is arranged on the pipe body connecting the steam source water replenishing tank and the condenser of the simulation heat exchanger.
Preferably, a first water inlet regulating valve and a first water inlet temperature measuring point are arranged on a first branch pipe connected with the simulated tube type heat exchanger, a first water outlet temperature measuring point and a first water outlet isolation valve are arranged on a second branch pipe connected with the simulated tube type heat exchanger, a first outlet isolation valve is arranged on a third branch pipe connected with the simulated tube type heat exchanger, and a first electric regulating valve is arranged on a fifth branch pipe connected with the simulated tube type heat exchanger.
Preferably, a second water inlet regulating valve and a second water inlet temperature measuring point are arranged on a first branch pipe connected with the simulation shell type heat exchanger, a second water outlet temperature measuring point and a second water outlet isolation valve are arranged on a second branch pipe connected with the simulation shell type heat exchanger, a second outlet isolation valve is arranged on a third branch pipe connected with the simulation shell type heat exchanger, and a second electric regulating valve is arranged on a fifth branch pipe connected with the simulation shell type heat exchanger.
Preferably, a third water inlet regulating valve and a third water inlet temperature measuring point are arranged on a first branch pipe connected with the simulated plate heat exchanger, a third water outlet temperature measuring point and a third water outlet isolation valve are arranged on a second branch pipe connected with the simulated plate heat exchanger, a third outlet isolation valve is arranged on a third branch pipe connected with the simulated plate heat exchanger, and a third electric regulating valve is arranged on a fifth branch pipe connected with the simulated plate heat exchanger.
Preferably, a sixth branch pipe connected with the shell type heat exchanger is provided with a fourth isolation valve, a first online corrosion measuring point and a first online dirt measuring point, and a seventh branch pipe connected with the shell type heat exchanger is provided with a fifth outlet isolation valve.
Preferably, a sixth branch pipe connected with the plate heat exchanger is provided with a fifth isolation valve, a second online corrosion measuring point and a second online dirt measuring point, and a seventh branch pipe connected with the plate heat exchanger is provided with a sixth outlet isolation valve.
Preferably, a sixth branch pipe connected with the tubular heat exchanger is provided with a sixth isolation valve, a third online corrosion measuring point and a third online dirt measuring point, and a seventh branch pipe connected with the tubular heat exchanger is provided with a seventh outlet isolation valve.
(III) advantageous effects
(1) The designed monitoring simulation heat exchanger comprises three types of heat exchangers common to industrial enterprises, can be selectively combined according to the types of actual heat exchangers on different enterprises sites, and can be used for simulation monitoring in multiple modes.
(2) The heating steam source of the designed monitoring simulation heat exchanger can adopt low-pressure industrial steam of an enterprise nearby, and a self-contained electric steam generator is also designed in the unit, so that the enterprise without an industrial steam source at the periphery is facilitated.
(3) The designed monitoring simulation heat exchanger unit is matched with the full-flow digital control technology platform simulation water supply unit and the simulation water return unit for use, the operation condition of the online heat exchanger of a production enterprise can be accurately simulated, and the water quality characteristics of the circulating water can be accurately reflected.
(4) The designed on-line monitoring unit for the key heat exchanger in the production field can accurately detect and monitor the key heat exchanger operation conditions in the process flow of a production enterprise, and can find the hidden operation troubles of the key heat exchanger in time so as to be prevented and eliminated in advance.
(5) Two units of the whole device adopt a digital technology, are matched for use, have strong operation stability, can acquire accurate data for a full-flow digital management and control technology platform, realize online safety monitoring of key production heat exchangers of enterprises, accurately judge the quality of circulating water in time, discover potential hazards such as scaling, corrosion or biological pollution possibly occurring in the heat exchangers in advance, early warn and regulate in time, facilitate operation managers to discover safe production problems in time and eliminate the accuracy in advance, and play the role of prepayment in advance.
Drawings
FIG. 1 is a schematic view of the unit monitoring simulation heat exchanger of the present invention;
fig. 2 is the utility model discloses online heat exchanger monitoring device schematic structure.
In the figure, an electronic flowmeter 1, a first water inlet regulating valve 2, a first water inlet temperature measuring point 3, a simulated tubular heat exchanger 4, a first water outlet temperature measuring point 5, a first water outlet isolating valve 6, a water outlet pipeline 7, a first electric regulating valve 8, a first outlet isolating valve 9, a water return pipeline 10, a second water inlet regulating valve 11, a second water inlet temperature measuring point 12, a simulated shell type heat exchanger 13, a second water outlet temperature measuring point 14, a second water outlet isolating valve 15, a second electric regulating valve 16, a second outlet isolating valve 17, a third water inlet regulating valve 18, a third water inlet temperature measuring point 19, a simulated plate type heat exchanger 20, a third water outlet temperature measuring point 21, a third water outlet isolating valve 22, a third electric regulating valve 23, a third outlet isolating valve 24, a condenser 25, a first isolating valve 26, a blowdown isolating valve 27, a simulated heat exchanger steam source water supplementing tank 28 and a second isolating valve 29, a water replenishing pump 30, an electric steam generator 31, a pressure monitoring and protecting device 32, a fourth outlet isolation valve 33, an outlet pressure gauge 34, a steam source access pipeline 35, a third isolation valve 36, a steam pressure regulating device 37, a temperature measuring point 38, the device comprises an online flow monitoring device 39, a circulating water main pipeline 40, a fourth isolating valve 41, a first online corrosion measuring point 42, a first online dirt measuring point 43, a shell type heat exchanger 44, a fifth outlet isolating valve 45, a fifth isolating valve 46, a second online corrosion measuring point 47, a second online dirt measuring point 48, a plate type heat exchanger 49, a sixth outlet isolating valve 50, a sixth isolating valve 51, a third online corrosion measuring point 52, a third online dirt measuring point 53, a tubular heat exchanger 54, a seventh outlet isolating valve 55, a circulating water return main pipeline 56, a simulated circulating water supply unit 100, a unit monitoring simulated heat exchanger 102, a simulated water return unit 103 and an online heat exchanger monitoring device 105.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: an on-line monitoring device for an industrial cooling circulating water monitoring simulation heat exchanger comprises a unit monitoring simulation heat exchanger 102 and an on-line heat exchanger monitoring device 105, wherein the unit monitoring simulation heat exchanger 102 comprises a simulation water return unit 103, a simulation circulating water supply unit 100, a simulation tubular heat exchanger 4, a simulation shell type heat exchanger 13, a simulation plate type heat exchanger 20, a condenser 25, a simulation heat exchanger steam source water supplementing tank 28, an electric steam generator 30, a steam source access pipeline 35, a water outlet pipeline 7, a water return pipeline 10, a water inlet pipeline and a main steam pipeline, the water inlet pipeline is connected with the simulation circulating water supply unit 100, an electronic flowmeter 1 and a first branch pipe are arranged on the water inlet pipeline, the first branch pipe is respectively communicated with the simulation tubular heat exchanger 4, the simulation shell type heat exchanger 13 and the simulation plate type heat exchanger 20, the water outlet pipeline 7 is connected with the simulation water return unit 103, the water outlet pipeline 7 is provided with a second branch pipe, the second branch pipe is respectively communicated with the simulation tubular heat exchanger 4, the simulation shell type heat exchanger 13 and the simulation plate type heat exchanger 20, the water return pipeline 10 is connected with the condenser 25 through a pipe body, the pipe body of the water return pipeline 10 connected with the condenser 25 is provided with an evacuation blowdown isolating valve 27, the water return pipeline 10 is provided with a third branch pipe, the third branch pipe is respectively communicated with the simulation tubular heat exchanger 4, the simulation shell type heat exchanger 13 and the simulation plate type heat exchanger 20, the condenser 25 is connected with the simulation heat exchanger steam source water supplementing tank 28 through a pipe body, the simulation heat exchanger steam source water supplementing tank 28 is connected with the electric steam generator 31 through a pipe body, the electric steam generator 31 is provided with a pressure monitoring protection device 32, the electric steam generator 31 is connected with a main steam pipeline, and the main steam pipeline is connected with a steam source access pipeline 35 through a fourth branch pipe, a third isolation valve 36 is arranged on the fourth branch pipe, an outlet pressure gauge 34, a fourth outlet isolation valve 33, a steam pressure regulating device 37, a temperature measuring point 38, an online flow monitoring device 39 and a fifth branch pipe are arranged on the main steam pipeline, and the fifth branch pipe is respectively communicated with the simulated tubular heat exchanger 4, the simulated shell type heat exchanger 13 and the simulated plate type heat exchanger 20; the on-line heat exchanger monitoring device 105 comprises a circulating water main pipeline 40, a circulating water return main pipeline 56, a shell type heat exchanger 44, a plate type heat exchanger 49, a pipe type heat exchanger 54 water inlet pipe and a water outlet pipe, wherein the water inlet pipe is connected with the circulating water main pipeline 40, a sixth branch pipe is arranged on the water inlet pipe, the sixth branch pipe is respectively connected with one ends of the shell type heat exchanger 44, the plate type heat exchanger 49 and the pipe type heat exchanger 54, a seventh branch pipe is arranged at the other ends of the shell type heat exchanger 44, the plate type heat exchanger 49 and the pipe type heat exchanger 54, the seventh branch pipe is connected with a water outlet pipe, and the water outlet pipe is connected with the circulating water return main pipeline 56.
And a second isolating valve 29 and a water replenishing pump 30 are arranged on a connecting pipe body of the steam source water replenishing tank 28 and the electric steam generator 31 of the simulation heat exchanger, and a first isolating valve 26 is arranged on a pipe body connecting the steam source water replenishing tank 28 and the condenser 25 of the simulation heat exchanger. The water replenishing pump can be used for driving water in the steam source water replenishing tank of the simulated heat exchanger, and the circulation of water among the condenser, the steam source water replenishing tank of the simulated heat exchanger and the electric steam generator can be controlled through the isolating valve.
A first water inlet regulating valve 2 and a first water inlet temperature measuring point 3 are arranged on a first branch pipe connected with the simulated tube type heat exchanger 4, a first water outlet temperature measuring point 5 and a first water outlet isolation valve 6 are arranged on a second branch pipe connected with the simulated tube type heat exchanger 4, a first outlet isolation valve 9 is arranged on a third branch pipe connected with the simulated tube type heat exchanger 4, and a first electric regulating valve 8 is arranged on a fifth branch pipe connected with the simulated tube type heat exchanger 4. The first inlet water regulating valve and the first inlet water temperature measuring point can be used for carrying out circulation control and temperature measurement on inlet water of the simulated tube type heat exchanger, the first outlet water temperature measuring point and the first outlet water isolating valve can be used for carrying out circulation control and temperature measurement on outlet water of the simulated tube type heat exchanger, the first outlet isolating valve can be used for carrying out circulation control on condensed water in the simulated tube type heat exchanger, and the first electric regulating valve can be used for carrying out circulation control on air inflow of the simulated tube type heat exchanger.
A second water inlet regulating valve 11 and a second water inlet temperature measuring point 12 are arranged on a first branch pipe connected with the simulated shell type heat exchanger 13, a second water outlet temperature measuring point 14 and a second water outlet isolation valve 15 are arranged on a second branch pipe connected with the simulated shell type heat exchanger 13, a second outlet isolation valve 17 is arranged on a third branch pipe connected with the simulated shell type heat exchanger 13, and a second electric regulating valve 16 is arranged on a fifth branch pipe connected with the simulated shell type heat exchanger 13. The second inlet water regulating valve and the second inlet water temperature measuring point can be used for carrying out circulation control and temperature measurement on inlet water of the simulated shell type heat exchanger, the second outlet water temperature measuring point and the second outlet water isolating valve can be used for carrying out circulation control and temperature measurement on outlet water of the simulated shell type heat exchanger, the second outlet isolating valve can be used for carrying out circulation control on condensed water in the simulated shell type heat exchanger, and the second electric regulating valve can be used for carrying out circulation control on air inflow of the simulated shell type heat exchanger.
A third water inlet regulating valve 18 and a third water inlet temperature measuring point 19 are arranged on a first branch pipe connected with the simulated plate heat exchanger 20, a third water outlet temperature measuring point 21 and a third water outlet isolation valve 22 are arranged on a second branch pipe connected with the simulated plate heat exchanger 20, a third outlet isolation valve is arranged on a third branch pipe connected with the simulated plate heat exchanger 20, and a third electric regulating valve 23 is arranged on a fifth branch pipe connected with the simulated plate heat exchanger 20. The third inlet water regulating valve and the third inlet water temperature measuring point can be used for carrying out circulation control and temperature measurement on inlet water of the simulated plate heat exchanger, the third outlet water temperature measuring point and the third outlet water isolating valve can be used for carrying out circulation control and temperature measurement on outlet water of the simulated plate heat exchanger, the third outlet isolating valve can be used for carrying out circulation control on condensed water in the simulated plate heat exchanger, and the third electric regulating valve can be used for carrying out circulation control on air inflow of the simulated plate heat exchanger.
A fourth isolation valve 41, a first online corrosion measuring point 42 and a first online dirt measuring point 43 are arranged on a sixth branch pipe connected with the shell type heat exchanger 44, and a fifth outlet isolation valve 45 is arranged on a seventh branch pipe connected with the shell type heat exchanger 44. The fourth isolating valve can control the inflow of the shell heat exchanger in a circulating manner, the first online corrosion measuring point and the first online dirt measuring point can detect the PH value and the pollution degree of water, and the fifth outlet isolating valve can control the outflow of the shell heat exchanger in a circulating manner.
A fifth isolating valve 46, a second online corrosion measuring point 47 and a second online dirt measuring point 48 are arranged on a sixth branch pipe connected with the plate heat exchanger 49, and a sixth outlet isolating valve 50 is arranged on a seventh branch pipe connected with the plate heat exchanger 49. The fifth isolating valve can be used for controlling the circulation of the inlet water of the plate heat exchanger, the second online corrosion measuring point and the second online dirt measuring point can be used for detecting the PH value and the pollution degree of the water, and the sixth outlet isolating valve can be used for controlling the circulation of the outlet water of the plate heat exchanger.
A sixth branch pipe connected with the tubular heat exchanger 54 is provided with a sixth isolation valve 51, a third online corrosion measuring point 52 and a third online dirt measuring point 53, and a seventh branch pipe connected with the tubular heat exchanger 54 is provided with a seventh outlet isolation valve 55. The sixth isolating valve can control the inflow of the tubular heat exchanger in a circulating manner, the third online corrosion measuring point and the third online dirt measuring point can detect the PH value and the pollution degree of water, and the seventh outlet isolating valve can control the outflow of the tubular heat exchanger in a circulating manner.
The working principle is as follows: as two key units of the industrial circulating water full-flow digital control technology platform, the main working flow is as follows: firstly, industrial circulating water in operation is conveyed to a unit 102 monitoring simulation heat exchanger through a simulation water supply pump by a simulation circulating water supply unit 100, the flow of the simulation circulating water is monitored by an electronic flowmeter 1, the supplied water quantity is adjusted in time to ensure that the water quantity entering the simulation heat exchanger meets the set flow rate requirement, the unit simulates three conventional heat exchangers, firstly, the first path of simulation circulating water enters a simulation tubular heat exchanger 4 after passing through a first water inlet regulating valve 2 and a first water inlet temperature measuring point 3, and after heat exchange, the outlet water flows into a water outlet pipeline 7 to be uniformly gathered and then returns to a simulation water return unit 103 after passing through a first water outlet temperature measuring point 5 and a first water outlet isolation valve 6; the second path of simulated circulating water enters the simulated shell type heat exchanger 13 after passing through the second water inlet regulating valve 11 and the second water inlet temperature measuring point 12, and after heat exchange, the outlet water flows into the water outlet pipeline 7 to be collected uniformly and then returns to the simulated water return unit 103 after passing through the second water outlet temperature measuring point 14 and the second water outlet isolation valve 15; and the third path of simulated circulating water enters the simulated plate heat exchanger 20 after passing through the third water inlet regulating valve 18 and the third water inlet temperature measuring point 19, and after heat exchange, the outlet water passes through the third water outlet temperature measuring point 21 and the third water outlet isolation valve 22, flows into the water outlet pipeline 7, is collected uniformly and then returns to the simulated water return unit 103. The heat source steam flow of the three simulated heat exchangers is as follows: demineralized water in the steam source water replenishing tank 28 of the simulated heat exchanger passes through the second isolating valve 29 and is conveyed to the electric steam generator 31 by the water replenishing pump 30, the electric steam generator 31 is provided with a pressure monitoring protection device 32, produced steam with rated temperature and pressure enters a main steam pipeline of the simulated heat exchanger through a fourth outlet isolating valve 33 and an outlet pressure gauge 34, an external steam source access pipeline 35 is simultaneously designed at the position, low-pressure steam is taken from an industrial steam pipeline of an enterprise nearby and is merged into the main steam pipeline of the simulated heat exchanger through a third isolating valve 36, then the steam enters a steam pressure regulating device 37, the steam pressure required by the simulated monitoring heat exchanger is regulated, then the steam passes through a temperature measuring point 38 and an online flow monitoring device 39 and is conveyed to three simulated monitoring heat exchangers respectively, the first path of steam enters the tubular heat exchanger 4 through the first electric regulating valve 8 and is subjected to heat exchange, the exhaust steam and the condensed water are discharged into a return pipeline 10 of the exhaust steam and the condensed water through a first outlet isolation valve 9; a second path of steam enters the shell type heat exchanger 13 through a second electric regulating valve 16, and after heat exchange, exhaust steam and condensate water are discharged into a water return pipeline 10 of the exhaust steam and the condensate water through a second outlet isolation valve 17; the third path of steam enters the plate heat exchanger 20 through a third electric regulating valve 23, and after heat exchange, the exhaust steam and the condensed water are discharged into a water return pipeline 10 of the exhaust steam and the condensed water through a third outlet isolation valve 24; after the exhaust steam and the condensate water which are collected uniformly are condensed and cooled in a centralized manner by the condenser 25, the exhaust steam and the condensate water are recovered to the steam water supplementing tank 28 in a unified manner through the first isolating valve 26 and are discharged into the condenser 25, the emptying and blowdown isolating valve 27 is designed, the condenser 25 can adopt air cooling or water cooling, and water supply and return water come from a simulation water supply and return unit. Through the process circulation, the running conditions of three commonly used heat exchangers of a production enterprise can be simulated on line in real time through the simulated heat exchanger according to set parameters, and the simulated heat exchanger is matched with various on-line hanging piece detection devices of the previous simulated circulating water supply unit 100 and the previous simulated water return unit 103 to provide a stable simulated running environment for full-flow digital control, so that the acquired data are close to the actual production, and the operation is accurate, efficient and stable. Meanwhile, an online monitoring instrument is installed near a key online heat exchanger of a production enterprise to detect and monitor the operation condition of the key heat exchanger, the main process flow is 105 units, the industrial circulating water enters the enterprise production heat exchanger through a circulating water main pipe 40, the schematic diagram lists three types of common heat exchangers temporarily, the first circulating water passes through a fourth isolating valve 41, then passes through a first online corrosion measuring point 42 and a first online dirt measuring point 43, then enters a shell type heat exchanger 44, and then the effluent water passes through a fifth outlet isolating valve 45 and is recycled to a circulating water main pipe 56 of the circulating water; after passing through a fifth isolating valve 46, a second path of circulating water respectively passes through a second online corrosion measuring point 47 and a second online dirt measuring point 48, enters a plate heat exchanger 49, and then is uniformly recycled to a circulating water main pipeline 56 after passing through a sixth outlet isolating valve 50; and the third path of circulating water passes through a sixth isolating valve 51, then respectively passes through a third online corrosion measuring point 52 and a third online dirt measuring point 53, then enters a tubular heat exchanger 54, and then is uniformly recycled to a circulating water return main pipe 56 after passing through a seventh outlet isolating valve 55. Like this, the key heat exchanger that enterprise's production site was using has increased online dirt and corrosion rate and has detected and control under the condition of conventional inspection business turn over water temperature pressure flow, reaches the digital management and control technology platform of full process through data transmission, in time discovers the operation of on-the-spot key heat exchanger unusual to the early warning, the production operating personnel of enterprise of being convenient for in time regulates and control and deals with, eliminates on-the-spot hidden danger, the safety in production of guarantee enterprise. The related data of the two units are all transmitted to the full-flow digital management and control technology platform, the cloud digital technology is adopted for regulation and control, real-time monitoring and regulation and control are achieved, the safety production of enterprises is guaranteed, and the digital management and control level of the enterprises is improved.
The utility model discloses an electronic flowmeter 1, first water inlet governing valve 2, first inlet temperature measurement station 3, simulation plate heat exchanger 4, first outlet temperature measurement station 5, first outlet isolating valve 6, outlet conduit 7, first electrical control valve 8, first outlet isolating valve 9, return water pipeline 10, second inlet governing valve 11, second inlet temperature measurement station 12, simulation plate heat exchanger 13, second outlet temperature measurement station 14, second outlet isolating valve 15, second electrical control valve 16, second outlet isolating valve 17, third inlet regulating valve 18, third inlet temperature measurement station 19, simulation plate heat exchanger 20, third outlet temperature measurement station 21, third outlet isolating valve 22, third electrical control valve 23, third outlet isolating valve 24, condenser 25, first isolating valve 26, exhaust blowdown isolating valve 27, simulation heat exchanger steam source water replenishing tank 28, second isolating valve 29, the system comprises a water replenishing pump 30, an electric steam generator 31, a pressure monitoring and protecting device 32, a fourth outlet isolation valve 33, an outlet pressure gauge 34, a steam source access pipeline 35, a third isolation valve 36, a steam pressure regulating device 37, a temperature measuring point 38, an online flow monitoring device 39, a circulating water main pipeline 40, a fourth isolation valve 41, a first online corrosion measuring point 42, a first online fouling measuring point 43, a shell type heat exchanger 44, a fifth outlet isolation valve 45, a fifth isolation valve 46, a second online corrosion measuring point 47, a second online fouling measuring point 48, a plate type heat exchanger 49, a sixth outlet isolation valve 50, a sixth isolation valve 51, a third online corrosion measuring point 52, a third online fouling measuring point 53, a tubular heat exchanger 54, a seventh outlet isolation valve 55, a circulating water return main pipeline 56, a simulated circulating water supply unit 100, a unit monitoring simulated heat exchanger 102, a simulated water return unit 103 and an online heat exchanger monitoring device 105, the parts are all universal standard parts or parts known by technicians in the field, the structure and the principle of the parts can be known by technicians through technical manuals or conventional experimental methods, the problem to be solved by the utility model is that the data collected by field measuring points or instruments is inaccurate, has no continuity and weak logicality due to the lack of a core digital control technical platform and a matched water quality monitoring and simulation monitoring heat exchanger unit of the current water circulation equipment, can not realize effective detection and supervision on the water quality of circulating water, can not react the condition of the heat exchanger on line, and can not realize on-line safety monitoring on key heat exchangers, the monitoring simulation heat exchanger designed by the utility model comprises three types of heat exchangers common in industrial enterprises, and can be selectively combined according to the types of the actual heat exchangers on the field of different enterprises, the simulation monitoring is carried out in various modes, the heating steam source of the simulation heat exchanger is monitored, low-pressure industrial steam of an enterprise can be adopted nearby, and a self-provided electric steam generator is also designed in the unit, so that the enterprise without the industrial steam source at the periphery is facilitated; the monitoring simulation heat exchanger unit is matched with the simulation water supply unit and the simulation water return unit of the full-process digital control technology platform, the operation working condition of the online heat exchanger of a production enterprise can be accurately simulated, the water quality characteristics of circulating water can be accurately reflected, the online monitoring unit of the key heat exchanger in the production field can accurately detect and monitor the operation working condition of the key heat exchanger in the process flow of the production enterprise, the operation hidden danger of the key heat exchanger can be timely found so as to be prevented and eliminated in advance, the two units of the whole device adopt the digital technology and are matched for use, the operation stability is strong, accurate data can be collected for the full-process digital control technology platform, the online safety monitoring of the key production heat exchanger of the enterprise can be realized, the water quality of the circulating water can be timely and accurately judged, and the potential hazards such as scaling, corrosion or biological pollution and the like which can possibly occur to the heat exchanger can be found in advance, the system can give an early warning and regulation in time, is convenient for operation managers to find out the safety production problem in time and eliminate the safety production problem in advance, and can play a role of prepayment in advance.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an industry refrigeration cycle water control simulation heat exchanger on-line monitoring device which characterized in that: the device comprises a unit monitoring simulation heat exchanger (102) and an online heat exchanger monitoring device (105), wherein the unit monitoring simulation heat exchanger (102) comprises a simulation water return unit (103), a simulation circulating water supply unit (100), a simulation tubular heat exchanger (4), a simulation shell type heat exchanger (13), a simulation plate type heat exchanger (20), a condenser (25), a simulation heat exchanger steam source water supplementing tank (28), an electric steam generator (31), a steam source access pipeline (35), a water outlet pipeline (7), a water return pipeline (10), a water inlet pipeline and a main steam pipeline, the water inlet pipeline is connected with the simulation circulating water supply unit (100), an electronic flowmeter (1) and a first branch pipe are arranged on the water inlet pipeline, the first branch pipe is respectively communicated with the simulation tubular heat exchanger (4), the simulation shell type heat exchanger (13) and the simulation plate type heat exchanger (20), the water outlet pipeline (7) is connected with the simulation water return unit (103), a second branch pipe is arranged on the water outlet pipeline (7), the second branch pipe is respectively communicated with the simulation tubular heat exchanger (4), the simulation shell type heat exchanger (13) and the simulation plate type heat exchanger (20), the water return pipeline (10) is connected with the condenser (25) through a pipe body, an evacuation and blowdown isolating valve (27) is arranged on the pipe body of the water return pipeline (10) connected with the condenser (25), a third branch pipe is arranged on the water return pipeline (10), the third branch pipe is respectively communicated with the simulation tubular heat exchanger (4), the simulation shell type heat exchanger (13) and the simulation plate type heat exchanger (20), the condenser (25) is connected with the simulation heat exchanger steam source water supplementing tank (28) through a pipe body, and the simulation heat exchanger steam source water supplementing tank (28) is connected with the electric steam generator (31) through a pipe body, the pressure monitoring and protecting device (32) is arranged on the electric steam generator (31), the electric steam generator (31) is connected with a main steam pipeline, the main steam pipeline is connected with a steam source access pipeline (35) through a fourth branch pipe, a third isolating valve (36) is arranged on the fourth branch pipe, an outlet pressure gauge (34), a fourth outlet isolating valve (33), a steam pressure regulating device (37), a temperature measuring point (38), an online flow monitoring device (39) and a fifth branch pipe are arranged on the main steam pipeline, and the fifth branch pipe is respectively communicated with the simulated tubular heat exchanger (4), the simulated shell type heat exchanger (13) and the simulated plate type heat exchanger (20);
the online heat exchanger monitoring device (105) comprises a circulating water main pipeline (40), a circulating water return main pipeline (56), a shell type heat exchanger (44), a plate type heat exchanger (49), a pipe type heat exchanger (54) water inlet pipe and a water outlet pipe, the water inlet pipe is connected with the circulating water main pipeline (40), a sixth branch pipe is arranged on the water inlet pipe, the sixth branch pipe is respectively connected with one ends of the shell type heat exchanger (44), the plate type heat exchanger (49) and the pipe type heat exchanger (54), a seventh branch pipe is arranged at the other ends of the shell type heat exchanger (44), the plate type heat exchanger (49) and the pipe type heat exchanger (54), the seventh branch pipe is connected with the water outlet pipe, and the water outlet pipe is connected with the circulating water return main pipeline (56).
2. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: and a second isolating valve (29) and a water replenishing pump (30) are arranged on a connecting pipe body of the steam source water replenishing tank (28) and the electric steam generator (31) of the simulation heat exchanger, and a first isolating valve (26) is arranged on a pipe body connecting the steam source water replenishing tank (28) and the condenser (25) of the simulation heat exchanger.
3. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: the water supply system is characterized in that a first water inlet regulating valve (2) and a first water inlet temperature measuring point (3) are arranged on a first branch pipe connected with the simulation tube type heat exchanger (4), a first water outlet temperature measuring point (5) and a first water outlet isolation valve (6) are arranged on a second branch pipe connected with the simulation tube type heat exchanger (4), a first outlet isolation valve (9) is arranged on a third branch pipe connected with the simulation tube type heat exchanger (4), and a first electric regulating valve (8) is arranged on a fifth branch pipe connected with the simulation tube type heat exchanger (4).
4. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: a second water inlet regulating valve (11) and a second water inlet temperature measuring point (12) are arranged on a first branch pipe connected with the simulation shell type heat exchanger (13), a second water outlet temperature measuring point (14) and a second water outlet isolation valve (15) are arranged on a second branch pipe connected with the simulation shell type heat exchanger (13), a second outlet isolation valve (17) is arranged on a third branch pipe connected with the simulation shell type heat exchanger (13), and a second electric regulating valve (16) is arranged on a fifth branch pipe connected with the simulation shell type heat exchanger (13).
5. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: a third water inlet regulating valve (18) and a third water inlet temperature measuring point (19) are arranged on a first branch pipe connected with the simulated plate heat exchanger (20), a third water outlet temperature measuring point (21) and a third water outlet isolation valve (22) are arranged on a second branch pipe connected with the simulated plate heat exchanger (20), a third outlet isolation valve is arranged on a third branch pipe connected with the simulated plate heat exchanger (20), and a third electric regulating valve (23) is arranged on a fifth branch pipe connected with the simulated plate heat exchanger (20).
6. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: a sixth branch pipe connected with the shell type heat exchanger (44) is provided with a fourth isolation valve (41), a first online corrosion measuring point (42) and a first online dirt measuring point (43), and a seventh branch pipe connected with the shell type heat exchanger (44) is provided with a fifth outlet isolation valve (45).
7. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: a sixth branch pipe connected with the plate heat exchanger (49) is provided with a fifth isolating valve (46), a second online corrosion measuring point (47) and a second online dirt measuring point (48), and a seventh branch pipe connected with the plate heat exchanger (49) is provided with a sixth outlet isolating valve (50).
8. The industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device of claim 1, characterized in that: a sixth branch pipe connected with the tubular heat exchanger (54) is provided with a sixth isolating valve (51), a third online corrosion measuring point (52) and a third online dirt measuring point (53), and a seventh branch pipe connected with the tubular heat exchanger (54) is provided with a seventh outlet isolating valve (55).
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| CN202120767226.XU CN214792725U (en) | 2021-04-15 | 2021-04-15 | Industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device |
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| CN202120767226.XU CN214792725U (en) | 2021-04-15 | 2021-04-15 | Industrial cooling circulating water monitoring simulation heat exchanger on-line monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659381A (en) * | 2022-03-23 | 2022-06-24 | 中国石油化工股份有限公司 | Steam heat exchanger condensate water discharge device and condensate water discharge method |
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2021
- 2021-04-15 CN CN202120767226.XU patent/CN214792725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659381A (en) * | 2022-03-23 | 2022-06-24 | 中国石油化工股份有限公司 | Steam heat exchanger condensate water discharge device and condensate water discharge method |
| CN114659381B (en) * | 2022-03-23 | 2024-06-04 | 中国石油化工股份有限公司 | Condensed water discharge device and condensed water discharge method for steam heat exchanger |
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