Multi-parameter steam temperature and pressure reduction device

Abstract

The utility model provides a multi-parameter steam temperature and pressure reducing device, which relates to the technical field of steam supply equipment, and comprises a pressure reducing system and a temperature reducing water system, the pressure reducing system comprises a steam header, the air inlet end of the steam header is connected with a steam supply source through a steam inlet pipeline, and a primary electric pressure reducing valve is arranged on the steam inlet pipeline; a plurality of steam outlet pipelines are arranged at the steam outlet end of the steam header in parallel, all the steam outlet pipelines are respectively connected with steam demand parts with different steam parameter demands, at least one steam outlet pipeline is provided with a secondary electric pressure reducing valve, the steam outlet pipeline is provided with a steam mixing pipe, and the steam mixing pipe is connected with a desuperheating water system; the steam demander can meet the requirements of different steam demander parts for different parameters of steam pressure and steam temperature, on the basis of ensuring the temperature and pressure reduction effect of steam, the application range is wide, the operation condition is optimized, the noise is low, meanwhile, intelligent control can be achieved, and unattended operation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam supply equipment, in particular to a multi-parameter steam temperature and pressure reduction device. Background Art

[0002] The steam heat source plant and steam users are connected by steam pipelines. The steam parameters required by steam users and steam-using facilities are different. The steam parameters generally consist of two or more types. However, the steam transported by the steam heat source plant through the pipeline has only one parameter, which cannot be simultaneously applied to steam-using facilities with different steam requirements. Utility Model Content

[0003] The purpose of this utility model is to provide a multi-parameter steam temperature and pressure reduction device to solve the above-mentioned technical problems existing in the prior art; the preferred technical solution among the many technical solutions provided by this utility model can produce many technical effects; please refer to the following for details.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The utility model provides a multi-parameter steam cooling and pressure reduction device, including a pressure reduction system and a cooling water system, wherein: the pressure reduction system includes a steam cylinder, the air inlet end of the steam cylinder is connected to a steam supply source through a steam inlet pipe, the steam inlet pipe is provided with a first-level electric pressure reducing valve, the air outlet end of the steam cylinder is provided with a plurality of steam outlet pipes in parallel, all of the steam outlet pipes are respectively connected to steam demand parts with different steam parameter requirements, at least one of the steam outlet pipes is provided with a second-level electric pressure reducing valve, the steam outlet pipe is provided with a steam mixing pipe, the steam mixing pipe is connected to the cooling water system, and the cooling water system is used for steam cooling.

[0006] Preferably, an inlet electric gate valve is provided on the steam inlet pipe at an upstream position of the first-level electric pressure reducing valve; an outlet electric gate valve is provided on the steam outlet pipe at a downstream position corresponding to the steam mixing pipe, and a flow meter is provided upstream of the outlet electric gate valve.

[0007] Preferably, the steam cylinder and the steam mixing pipe are both provided with safety valves; and the steam mixing pipe is provided with a first pressure gauge.

[0008] Preferably, the multi-parameter steam temperature and pressure reduction device includes a drain system, which includes a welding stop valve and a drain valve, wherein: a drainage pipe is connected to the steam inlet pipe, and the welding stop valve and the drain valve are sequentially arranged on the drainage pipe.

[0009] Preferably, the cooling water system includes a water tank, the water inlet end of the water tank is connected to the water supply source through a water inlet pipe, the water outlet end of the water tank is connected to the water outlet pipe, the water outlet pipe is connected to a plurality of water outlet branches arranged in parallel, and all the water outlet branches are respectively connected to the corresponding steam mixing pipes.

[0010] Preferably, an electric stop valve and a filter are sequentially provided on the water inlet pipe; a second pressure gauge and an on-site thermometer are sequentially provided on the water outlet pipe, and two centrifugal water pumps are arranged in parallel on the water outlet pipe at a downstream position of the on-site thermometer; a check valve is provided on the water outlet branch pipe.

[0011] Preferably, the steam mixing pipe is provided with a regulating valve and a regulating nozzle; the regulating nozzle is a flute-shaped nozzle.

[0012] Preferably, the water tank is provided with a glass tube liquid level gauge and a remote liquid level gauge; the water tank is provided with an overflow pipe; and the water tank is provided with a drain valve.

[0013] Preferably, the multi-parameter steam cooling and pressure reduction device includes a control system, and the control system includes a control device and instruments, wherein: the control device is connected to the centralized control center via a wireless signal; the instruments are communicatively connected to the control device, and the instruments are used to detect the pressure and temperature on the steam pipeline.

[0014] Preferably, the instrumentation includes a pressure transmitter and a temperature transmitter, wherein: the pressure transmitter is provided on the steam inlet pipe, the steam cylinder, the steam outlet pipe section located at the outlet of the secondary electric pressure reducing valve, the steam outlet pipe section located at the downstream pipe section of the steam mixing pipe, and the water outlet pipe section located at the downstream pipe section of the centrifugal water feed pump; the temperature transmitter is provided on the steam inlet pipe, the steam mixing pipe, and the steam outlet pipe section located at the downstream pipe section of the steam mixing pipe.

[0015] The multi-parameter steam temperature and pressure reduction device provided by the utility model has at least the following beneficial effects:

[0016] The multi-parameter steam temperature and pressure reduction device includes a pressure reduction system and a temperature reduction water system. The pressure reduction system is used to reduce the steam pressure, and the temperature reduction water system is used to reduce the steam temperature.

[0017] The air compressor is installed in the steam supply pipe of the second stage, and the steam inlet pipe is installed in the steam supply pipe of the second stage. The steam outlet pipe is installed in the steam supply pipe of the second stage, and the steam outlet pipe is installed in the steam supply pipe of the second stage. The steam outlet pipe is connected to the steam demand part with different steam parameter requirements. At least one steam outlet pipe is provided with a second stage electric pressure reducing valve. When the steam is supplied, the steam provided by the steam supply source is first reduced in pressure by the first stage electric pressure reducing valve, and then enters the air compressor. The air compressor is installed in the steam supply pipe of the second stage, and the steam in the steam supply pipe is connected to the steam demand part with different steam parameter requirements. At least one steam outlet pipe is provided with a second stage electric pressure reducing valve. When the steam is supplied, the steam provided by the steam supply source is first reduced in pressure by the first stage electric pressure reducing valve, and then enters the air compressor. The air compressor is installed in the steam supply pipe of the second stage, and the steam in the steam demand part has the largest demand for steam pressure. The air compressor is installed in the steam demand pipe of the second stage electric pressure reducing valve.

[0018] A steam mixing pipe is provided on the steam outlet pipe, and the steam mixing pipe is connected to the cooling water system. When supplying steam, the cooling water provided by the cooling water system is mixed with the steam in the steam mixing pipe, thereby achieving cooling. The cooled steam is supplied to the corresponding steam demand part through the steam outlet pipe, and the cooling effect is significant.

[0019] The utility model adopts a divided cylinder with multiple steam outlet pipes arranged in parallel, which can effectively supply the steam provided by the steam supply source to different steam demand parts. Through the mutual cooperation of the pressure reducing system and the temperature reducing water system, it can meet the requirements of different steam demand parts for different parameter steam pressure and steam temperature. It not only has significant temperature and pressure reduction effects and a wide range of applications, but also optimizes operating conditions and has low noise. It also has the advantages of high integration and automatic control. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the pressure reducing system and the draining system of the utility model;

[0023] Figure 3This is a schematic diagram of the structure of the utility model cooling water system;

[0024] Figure 4 This is a schematic diagram of the structure of the control system of the utility model;

[0025] Figure 5 This is the block diagram of the pressure reduction control of the utility model;

[0026] Figure 6 This is the temperature reduction control block diagram of the utility model.

[0027] Reference numerals

[0028] 1. Pressure reducing system; 101. Steam cylinder; 102. Steam inlet pipe; 103. First-stage electric pressure reducing valve; 104. Steam outlet pipe; 105. Second-stage electric pressure reducing valve; 106. Steam mixing pipe; 107. Inlet electric gate valve; 108. Outlet electric gate valve; 109. Safety valve; 110. First pressure gauge; 111. Flow meter; 2. Cooling water system; 201. Water tank; 202. Water inlet pipe; 203. Water outlet pipe; 204. Water outlet branch pipe; 205. Electric stop valve; 206. Filter; 207. Two pressure gauges; 208. On-site thermometer; 209. Centrifugal water pump; 210. Check valve; 211. Control valve and regulating nozzle; 212. Glass tube level gauge; 213. Remote level gauge; 214. Overflow pipe; 215. Drain valve; 3. Drain system; 301. Drain pipe; 302. Welded stop valve; 303. Drain valve; 4. Control system; 401. Control device; 402. Pressure transmitter; 403. Temperature transmitter; 404. Centralized control center; 5. Steam supply source; 6. Steam demand unit; 7. Water supply source. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] Example 1:

[0031] The utility model provides a multi-parameter steam temperature and pressure reduction device, referring to Figures 1 to 6 As shown, the multi-parameter steam temperature and pressure reduction system includes a pressure reduction system 1 and a temperature reduction water system 2.

[0032] The pressure reducing system 1 includes a steam cylinder 101, the air inlet end of the steam cylinder 101 is connected to the steam supply source 5 through a steam air inlet pipe 102, a first-level electric pressure reducing valve 103 is provided on the steam air inlet pipe 102, and a plurality of steam outlet pipes 104 are provided in parallel at the air outlet end of the steam cylinder 101, all steam outlet pipes 104 are respectively connected to the steam demand part 6 with different steam parameter requirements, at least one steam outlet pipe 104 is provided with a second-level electric pressure reducing valve 105, and a steam mixing pipe 106 is provided on the steam outlet pipe 104, and the steam mixing pipe 106 is connected to the cooling water system 2, which is used for steam cooling.

[0033] When supplying steam, the steam supply source 5 provides steam, which enters the steam cylinder 101 through the steam inlet pipe 102. The steam cylinder 101 diverts the steam to different steam outlet pipes 104, and then passes through the steam mixing pipe 106 before being supplied to the corresponding steam demand unit 6.

[0034] In the above-mentioned steam supply process, the steam inlet pipe 102 is provided with a first-level electric pressure reducing valve 103, which can perform first-level pressure reduction on the steam, and part of the steam outlet pipe 104 is provided with a second-level electric pressure reducing valve 105, which can perform second-level pressure reduction on the steam. The steam pressure after the first-level pressure reduction is greater than the steam pressure after the second-level pressure reduction.

[0035] Optionally, the number of the steam outlet pipes 104 is set to two, one of which is provided with a secondary electric pressure reducing valve 105 , and the other is not provided with a secondary electric pressure reducing valve 105 .

[0036] Similarly, three or more steam outlet pipes 104 may be provided to supply a corresponding number of steam demanding parts 6; and multiple electric pressure reducing valves may be provided to achieve multi-stage pressure reduction.

[0037] During the steam supply process, the attemperating water system 2 provides attemperating water to the steam mixing pipe 106 , and the attemperating water is mixed with the steam in the steam mixing pipe 106 to achieve temperature reduction.

[0038] The utility model can effectively supply the steam provided by the steam supply source 5 to different steam demand parts 6 through the divided cylinder 101 and the multiple steam outlet pipes 104 arranged in parallel. Through the mutual cooperation of the pressure reducing system 1 and the temperature reducing water system 2, the steam on the corresponding pipes can be reduced in pressure and cooled according to the different needs of the different steam demand parts 6, thereby meeting their needs. The utility model not only has significant pressure reducing and cooling effects, but also has a wide range of applications.

[0039] Example 2:

[0040] Example 2 is based on Example 1:

[0041] like Figures 1 to 6As shown, an inlet electric gate valve 107 is provided on the steam intake pipe 102 at an upstream position of the first-stage electric pressure reducing valve 103 , and the inlet electric gate valve 107 is used for flow control of the steam intake pipe 102 .

[0042] An outlet electric gate valve 108 is provided on the steam outlet pipe 104 at a position downstream of the corresponding steam mixing pipe 106 . The outlet electric gate valve 108 is used for flow control of the corresponding steam outlet pipe 104 .

[0043] The inlet electric gate valve 107 and the outlet electric gate valve 108 are both communicatively connected to the control device 401 .

[0044] A flow meter 111 is provided on the steam outlet pipe 104 at an upstream position of the outlet electric gate valve 108 for detecting the steam flow rate.

[0045] As an optional embodiment, safety valves 109 are provided on both the steam cylinder 101 and the steam mixing pipe 106. The safety valves 109 are equipped with a main safety valve and an impulse safety valve to achieve safety protection.

[0046] A first pressure gauge 110 is provided on the steam mixing pipe 106 , and the first pressure gauge 110 is used to detect the steam pressure after the temperature is reduced.

[0047] As an optional embodiment, the multi-parameter steam temperature and pressure reduction device includes a drain system 3 , and the drain system 3 includes a welding stop valve 302 and a drain valve 303 .

[0048] A drainage pipe 301 is connected to the steam inlet pipe 102 , and a welding stop valve 302 and a steam trap 303 are sequentially arranged on the drainage pipe 301 .

[0049] The drain system 3 is used to discharge steam condensate and can effectively protect the electric pressure reducing valve.

[0050] As an optional embodiment, the desuperheating water system 2 includes a water tank 201. The water tank 201 is made of stainless steel with a material grade of 304 or 316.

[0051] The water inlet end of the water tank 201 is connected to the water supply source 7 through the water inlet pipe 202, and the water outlet end of the water tank 201 is connected to the water outlet pipe 203. The water outlet pipe 203 is connected to multiple water outlet branches 204 arranged in parallel, and all water outlet branches 204 are respectively connected to the corresponding steam mixing pipes 106.

[0052] When cooling the steam, the cooling water in the water tank 201 enters the corresponding steam mixing pipe 106 through the outlet pipe 203 and the corresponding outlet branch pipe 204, and mixes with the steam inside it to achieve cooling.

[0053] The cooling requirements of different steam demand units 6 can be met by using one cooling water system 2, with a high degree of integration.

[0054] As an optional embodiment, an electric stop valve 205 and a filter 206 are sequentially provided on the water inlet pipe 202. The electric stop valve 205 is used for flow control of the water inlet pipe 202. The electric stop valve 205 is communicatively connected with the control device 401. The filter 206 filters the cooled water provided by the water supply source 7.

[0055] A second pressure gauge 207 and an on-site thermometer 208 are sequentially provided on the water outlet pipe 203 , and two centrifugal water pumps 209 are provided in parallel at a position downstream of the on-site thermometer 208 on the water outlet pipe 203 .

[0056] The second pressure gauge 207 and the on-site thermometer 208 are used to detect the temperature and pressure of the cooling water at the inlet of the centrifugal water supply pump 209. The two centrifugal water supply pumps 209 serve as backup for each other. Both centrifugal water supply pumps 209 are communicatively connected to the control device 401. When the control device 401 detects that one centrifugal water supply pump has failed, the other centrifugal water supply pump is started to ensure that there is always one centrifugal water supply pump in working condition.

[0057] A check valve 210 is provided on the water outlet branch pipe 204 to prevent the cooling water from flowing back.

[0058] As an optional embodiment, a regulating valve and a regulating nozzle 211 are provided on the steam mixing pipe 106 , and the regulating valve and the regulating nozzle 211 are communicatively connected to the control device 401 .

[0059] The regulating nozzle is inserted into the steam mixing pipe 106 and is a flute-shaped nozzle.

[0060] As an optional embodiment, a glass tube liquid level gauge 212 and a remote liquid level gauge 213 are provided on the water tank 201 for detecting the liquid level of the water tank 201 . The remote liquid level gauge 213 is communicatively connected to the control device 401 .

[0061] The water tank 201 is provided with an overflow pipe 214 . When there is too much cooling water in the water tank 201 , the cooling water can be discharged through the overflow pipe 214 .

[0062] The water tank 201 is provided with a drain valve 215 .

[0063] As an optional embodiment, the multi-parameter steam temperature and pressure reduction device includes a control system 4, and the control system 4 includes a control device 401 and instruments.

[0064] The control device 401 is connected to the centralized control center 404 via wireless signals. The instrument is communicatively connected to the control device 401 . The instrument is used to detect the pressure and temperature on the steam pipeline.

[0065] The control system 4 enables the multi-parameter steam temperature and pressure reduction device to be automated and intelligent, and can be operated unattended.

[0066] As an optional implementation, the instrument includes a pressure transmitter 402 and a temperature transmitter 403 .

[0067] Pressure transmitters 402 are provided on the steam inlet pipe 102, the steam cylinder 101, the section of the steam outlet pipe 104 between the secondary electric pressure reducing valve 105 and the steam mixing pipe 106, the downstream section of the steam outlet pipe 104 of the steam mixing pipe 106, and the downstream section of the water outlet pipe 203 of the centrifugal water pump 209.

[0068] Temperature transmitters 403 are provided on the steam inlet pipe 102 , the steam mixing pipe 106 , and the downstream section of the steam outlet pipe 104 of the steam mixing pipe 106 .

[0069] The working process of the multi-parameter steam temperature and pressure reduction device of the utility model is as follows:

[0070] When a steam user requires steam with specific parameters, the regulating valve and regulating nozzle 211 of the desuperheating water system 2 are closed, and the inlet electric gate valve 107 is slowly opened with a small opening to preheat the multi-parameter steam desuperheating and pressure reduction device for >60 minutes. After preheating, the inlet electric gate valve 107 is slowly opened to its full open position, and then the regulating valve and regulating nozzle 211 are opened. Steam pressure reduction is achieved by the electric pressure reducing valve. When the steam pressure in the pipeline changes, its electric actuator activates, driving the pressure reducing valve disc to adjust the pressure reduction ratio to keep the steam pressure in the pipeline within the specified range. Steam temperature reduction is achieved by injecting desuperheating water into the steam mixing pipe 106. The desuperheating water is injected into the pipe through the nozzle orifices, mixing the water and steam to reduce the steam temperature. When the steam temperature in the pipeline changes, the temperature control system of the control device 401 controls the driving actuator of the regulating valve, driving the valve stem to adjust the water injection rate of the nozzle to keep the steam temperature in the pipeline within the specified range.

[0071] Taking the two steam demand parts 6 as an example, the two steam demand parts are respectively the first steam demand part and the second steam demand part, the first steam demand part corresponds to the first steam outlet pipe and the first steam mixing pipe, the second steam demand part corresponds to the second steam outlet pipe and the second steam mixing pipe, the first steam outlet pipe is not provided with a secondary electric pressure reducing valve, and the pressure transmitter corresponding to the outlet of the first electric pressure reducing valve is a first pressure transmitter, the second steam outlet pipe is provided with a secondary electric pressure reducing valve, and the pressure transmitter at the outlet is a second pressure transmitter, the first steam mixing pipe is provided with a first temperature transmitter, and the second steam mixing pipe is provided with a second temperature transmitter. The steam pressure self-regulation and steam temperature automatic regulation process of this embodiment are as follows:

[0072] like Figure 5 As shown, control device 401 receives 4-20 mA DC signals corresponding to the secondary pressure P2 detected by the first and second pressure transmitters. Control device 401 calculates the deviation between the measured signal and the set signal and outputs the result as a 4-20 mA DC signal. The 4-20 mA DC signal from control device 401 is compared in a servo amplifier with the feedback signal from the electric actuator of the electric pressure reducing valve. Since the two signals have opposite polarities, if they are unequal, the electric actuator drives the pressure reducing valve disc in a direction that reduces the difference until the position feedback signal equals the input signal. At this point, the steam pressure stabilizes at the set value (manually input) required by the process, achieving automatic pressure regulation.

[0073] like Figure 6 As shown, control device 401 receives resistance signals corresponding to the secondary temperature t2 detected by the first and second temperature transmitters. It calculates the deviation between the measured signals and the set signal and outputs the result as a 4-20 mA DC signal. This 4-20 mA DC signal from control device 401 passes through a servo amplifier and drives an actuator, which in turn activates the regulating valve, stabilizing the secondary steam temperature at the process-set value (manually input), achieving automatic temperature regulation.

[0074] In the description of this application, it should be understood that the terms "upper", "lower", "inside", "outside", "top", "bottom", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0075] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout the description of this application, "plurality" or "several" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0076] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; they can refer to direct connection or indirect connection through an intermediate medium; they can refer to internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0077] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A multi-parameter steam temperature and pressure reduction device, characterized in that: It includes a pressure reducing system and a cooling water system, including: The pressure reducing system includes a steam cylinder, the air inlet end of the steam cylinder is connected to the steam supply source through a steam air inlet pipe, a first-level electric pressure reducing valve is provided on the steam inlet pipe, and a plurality of steam outlet pipes are provided in parallel at the air outlet end of the steam cylinder, all of the steam outlet pipes are respectively connected to steam demand parts with different steam parameter requirements, at least one of the steam outlet pipes is provided with a second-level electric pressure reducing valve, a steam outlet pipe is provided with a steam mixing pipe, and the steam mixing pipe is connected to the cooling water system, and the cooling water system is used for steam cooling.

2. The multi-parameter steam temperature and pressure reduction device according to claim 1, characterized in that: An inlet electric gate valve is provided on the steam inlet pipe at an upstream position of the first-stage electric pressure reducing valve; An outlet electric gate valve is provided on the steam outlet pipe at a position downstream of the steam mixing pipe, and a flow meter is provided at an upstream position of the outlet electric gate valve.

3. The multi-parameter steam temperature and pressure reduction device according to claim 1, characterized in that: The steam cylinder and the steam mixing pipe are both provided with safety valves; The steam mixing pipe is provided with a first pressure gauge.

4. The multi-parameter steam temperature and pressure reduction device according to claim 1, characterized in that: The multi-parameter steam temperature and pressure reduction device includes a drain system, which includes a welded stop valve and a drain valve, wherein: The steam inlet pipe is connected to a drainage pipe, and the welding stop valve and the steam trap are sequentially arranged on the drainage pipe.

5. The multi-parameter steam temperature and pressure reduction device according to claim 1, characterized in that: The cooling water system includes a water tank, the water inlet end of the water tank is connected to the water supply source through a water inlet pipe, the water outlet end of the water tank is connected to the water outlet pipe, the water outlet pipe is connected to a plurality of water outlet branches arranged in parallel, and all the water outlet branches are respectively connected to the corresponding steam mixing pipes.

6. The multi-parameter steam temperature and pressure reduction device according to claim 5, characterized in that: The water inlet pipe is sequentially provided with an electric stop valve and a filter; The outlet pipe is provided with a second pressure gauge and an on-site thermometer in sequence, and two centrifugal water pumps are provided in parallel on the outlet pipe at a position downstream of the on-site thermometer; A check valve is provided on the water outlet branch pipe.

7. The multi-parameter steam temperature and pressure reduction device according to claim 5, characterized in that: The steam mixing pipe is provided with a regulating valve and a regulating nozzle; The regulating nozzle is a flute-shaped nozzle.

8. The multi-parameter steam temperature and pressure reduction device according to claim 5, characterized in that: The water tank is provided with a glass tube liquid level gauge and a remote liquid level gauge; The water tank is provided with an overflow pipe; The water tank is provided with a drain valve.

9. The multi-parameter steam temperature and pressure reduction device according to claim 6, characterized in that: The multi-parameter steam temperature and pressure reduction device includes a control system, which includes a control device and instrumentation, wherein: The control device is connected to the centralized control center via wireless signals; The instrument is communicatively connected to the control device, and the instrument is used to detect the pressure and temperature on the steam pipeline.

10. The multi-parameter steam temperature and pressure reduction device according to claim 9, characterized in that: The instrumentation includes a pressure transmitter and a temperature transmitter, wherein: The pressure transmitter is provided on the steam inlet pipe, the steam cylinder, the outlet pipe section of the steam outlet pipe located at the secondary electric pressure reducing valve, the downstream pipe section of the steam outlet pipe located at the steam mixing pipe, and the downstream pipe section of the water outlet pipe located at the centrifugal water pump; The temperature transmitter is provided on the steam inlet pipe, the steam mixing pipe and the downstream pipe section of the steam outlet pipe.

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