CN211902382U

CN211902382U - Steam control system

Info

Publication number: CN211902382U
Application number: CN202020410999.8U
Authority: CN
Inventors: 王凤新
Original assignee: Zhejiang Kanglian Intelligent Equipment Co ltd
Current assignee: Zhejiang Kanglian Intelligent Equipment Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-10
Anticipated expiration: 2030-03-26

Abstract

The utility model provides a steam control system belongs to steam equipment technical field. The steam boiler or steam generator comprises a steam assembly and a steam boiler or steam generator connected with the steam assembly through a seamless pipeline, wherein the steam assembly comprises a main pipeline and a standby pipeline, and the main pipeline and the standby pipeline are both connected with the seamless pipeline. Opening and closing of this pipeline can be controlled to a valve and No. two valves in the main line, a valve and No. two valves all can dismantle with the main line and connect ability easy to assemble, also can conveniently dismantle maintenance or change the part between two valves simultaneously, when the main line breaks down, close two valve accessible spare pipelines as reserve, can avoid leading to the unable normal work of system because of the maintenance of trouble, secondly, open or close through pneumatic control subassembly control main line during system operation, can effectively avoid taking place potential safety hazards such as electric leakage for electric solenoid valve.

Description

Steam control system

Technical Field

The utility model belongs to the technical field of steam equipment, a steam control system is related to.

Background

The Steam Gate Valve (Steam Gate Valve) is a Gate Valve used on a Steam system pipeline and mainly used for switching on and off to stop the circulation of Steam in a Steam pipeline. The existing steam valve system has the following defects: 1. the installation is complicated, the valve members of the existing small-sized steam valve system are mostly connected by screw threads, and the screw connection is suitable for the small-sized steam pipeline system with low pressure, but the installation is complicated in the mode, if a plurality of valve members are in screw connection, the installation difficulty is multiplied, and the leakage is easy to occur; 2. the existing steam systems are mostly in threaded connection and are difficult to detach once being installed, and in the food thawing process, steam is directly contacted with frozen products, so that a steam filter needs to be replaced regularly, and the equipment is more difficult to maintain due to threaded connection; 3. the existing steam system control mode is mostly controlled by an electric solenoid valve. The steam system is in a humid environment, and electric control is easy to cause accidents such as short circuit, electric leakage and the like, so that the instability and potential safety hazard of the system are increased; 4. most of the existing control systems are used for manually opening a boiler to switch on or off steam, the workload is high, and the steam volume cannot be adjusted at any time according to specific working conditions.

In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a two-stage steam bistable control system is disclosed in the chinese patent application No. [ application number: 201510192417.7], including hardware and software, wherein the hardware includes special industrial control microcomputer and related autocontrol cabinet; the software is a program part which is input into an industrial control microcomputer and edited on site according to requirements, and provides program support for the whole system; the control part of the special industrial control microcomputer is a main steam control part and a secondary steam control part respectively; the three signals introduced into each furnace by the original microcomputer are respectively: total steam signal, blowing valve signal, down-blowing signal. In the system, the control mode of main steam is to hook with the productivity. This solution has the advantage of enabling an optimal match of the production capacity and the steam quantity, and an optimal match of the gasification demand and the gasification conditions, but also has the drawbacks mentioned above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a steam control system.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a steam control system, includes steam subassembly and passes through the steam boiler or the steam generator that seamless pipeline links to each other with steam subassembly, steam subassembly include main line and spare pipeline, main line and spare pipeline all link to each other with seamless pipeline, main line both ends detachable even have a valve and No. two valves, a valve and No. two valves between still be equipped with the angle seat valve that is used for controlling the main line and opens and close, the angle seat valve link to each other with pneumatic control assembly, spare pipeline on still be equipped with No. three valves.

In the steam control system, the pneumatic control assembly comprises a compression air pump connected with the angle seat valve through an air pipe, an electromagnetic valve is further arranged between the compression air pump and the angle seat valve, and the electromagnetic valve is connected with the automatic control system.

In the steam control system, the automatic control system comprises an MCU module connected with the electromagnetic valve through an electric wire, and the MCU module is also connected with a first temperature sensor and a second temperature sensor.

In the above steam control system, the first valve and the second valve are further provided with steam filters.

In the steam control system, the first valve and the second valve are further provided with steam pressure gauges, dial plates of the steam pressure gauges penetrate through the outside of the main pipeline, and a waterproof structure is arranged between the steam pressure gauges and the pipe wall of the main pipeline.

In the steam control system, the first valve and the second valve are connected with the main pipeline through flanges, and the third valve and the standby pipeline are connected through flanges or screw threads.

In the above steam control system, the angle seat valve is a two-position two-way piston type angle seat valve.

In the above steam control system, an air filter is further disposed between the electromagnetic valve and the compressed air pump.

In the above steam control system, the angle seat valve, the electromagnetic valve, the air filter and the compressed air pump are all provided with silencers.

In the steam control system, the main pipeline and the standby pipeline are connected with the seamless pipeline through the tee joint.

Compared with the prior art, the utility model has the advantages of:

1. opening and closing of this pipeline can be controlled to a valve and No. two valves in the main line, a valve and No. two valves all can dismantle with the main line and connect ability easy to assemble, also can conveniently dismantle maintenance or change the part between two valves simultaneously, when the main line breaks down, close two valve accessible spare pipelines as reserve, can avoid leading to the unable normal work of system because of the maintenance of trouble, secondly, open or close through pneumatic control subassembly control main line during system operation, can effectively avoid taking place potential safety hazards such as electric leakage for electric solenoid valve.

2. When the electromagnetic valve is opened, compressed air generated by the compressed air pump can be introduced into the angle seat valve through the electromagnetic valve and the air pipe and exerts pressure on a piston in the angle seat valve, so that the angle seat valve is closed, the main pipeline is closed, steam stops outputting, when the electromagnetic valve is closed, the compressed air stops giving pressure to the angle seat valve, the angle seat valve is opened, the steam pipeline is communicated, the steam starts outputting, and compared with electric control, the potential safety hazard caused by the fact that the environment where the steam system is located is wet can be reduced by controlling the opening and closing of the main pipeline in a pneumatic mode.

3. A temperature sensor and No. two temperature sensor install at the steam output, two temperature sensor simultaneous working enable temperature feedback more accurate, temperature signal and with signal feedback to the MCU module of steam output are accepted respectively to a temperature sensor and No. two temperature sensor, the MCU module can be according to the compression air pump and the solenoid valve work in the temperature signal control pneumatic control subassembly that feed back to, thereby realize the automatically regulated of steam output department temperature, reduce the demand to the manual work.

4. Steam filter can filter the impurity in the steam, makes steam cleaner, and steam filter passes through flange joint with the main pipeline, uses when thawing machine at this steam subassembly, and steam can be direct and the article contact that freezes, and for food safety, steam filter should change regularly, and its flange joint's structure has guaranteed also can accomplish in thawing machine use and has changed.

5. The steam pressure gauge can detect the steam pressure in the pipeline, the safety in the use and maintenance process is ensured, and the dial plate of the steam pressure gauge directly extends out of the stainless steel shell to facilitate observation.

6. Compressed air pump is inserted to air cleaner one end, and the other end passes through the trachea to be connected with the solenoid valve, and air cleaner can realize guaranteeing compressed air's cleanness, avoids impurity damage pneumatic control subassembly to compressed air's filtration.

7. The silencer 18 can ensure that no noise is generated in the working process of the pneumatic control system 9, and the working environment of a workshop is guaranteed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is an overall schematic diagram provided by the present invention.

In the figure, a steam generator 1, a seamless pipeline 2, a steam component 3, a first valve 4, a second valve 5, a third valve 6, a steam filter 7, a steam pressure gauge 8, a pneumatic control component 9, an air filter 10, an electromagnetic valve 11, an air pipe 12, a corner seat valve 13, an MCU module 14, a first temperature sensor 15, an automatic control system 16, a second temperature sensor 17, a silencer 18, a main pipeline 20, a standby pipeline 21 and a compressed air pump 22.

Detailed Description

As shown in fig. 1, a steam control system comprises a steam assembly 3 and a steam boiler or a steam generator 1 connected with the steam assembly 3 through a seamless pipeline 2, wherein the steam assembly 3 comprises a main pipeline 20 and a standby pipeline 21, both the main pipeline 20 and the standby pipeline 21 are connected with the seamless pipeline 2, two ends of the main pipeline 20 are detachably connected with a first valve 4 and a second valve 5, a corner seat valve 13 for controlling the opening and closing of the main pipeline 20 is further arranged between the first valve 4 and the second valve 5, the corner seat valve 13 is connected with a pneumatic control assembly 9, and a third valve 6 is further arranged on the standby pipeline 21.

In this embodiment, opening and closing of this pipeline can be controlled to a valve 4 and No. two valves 5 in main pipeline 20, a valve 4 and No. two valves 5 all can dismantle with main pipeline 20 and connect ability easy to assemble, also can conveniently dismantle maintenance or change to the part between two valves simultaneously, when main pipeline 20 breaks down, close two valve accessible spare pipelines 21 as reserve, can avoid leading to the unable normal work of system because of the maintenance of trouble, secondly, opening or closing of main pipeline 20 is controlled through pneumatic control subassembly 9 during system operation, can effectively avoid taking place potential safety hazards such as electric leakage for electric solenoid valve.

In use, the pneumatic control assembly 9 can control the opening or closing of the angle seat valve 13 so as to control the opening or closing of the main pipeline.

When the system is used, the steam boiler or the steam generator 1 can generate steam, the first valve 4 and the second valve 5 are normally opened and the third valve 6 is normally closed during normal work, the pneumatic control assembly 9 can control the opening of the main pipeline 20, the steam generated by the steam boiler or the steam generator 1 can be output through the seamless pipeline 2 and the main pipeline, when the main pipeline breaks down or is in a maintenance state, the first valve 4 and the second valve 5 are closed, and the third valve 6 is opened to output the steam through the standby pipeline.

The pneumatic control assembly 9 comprises a compression air pump 22 connected with an angle seat valve 13 through an air pipe 12, an electromagnetic valve 11 is further arranged between the compression air pump 22 and the angle seat valve 13, and the electromagnetic valve 11 is connected with an automatic control system 16.

In this embodiment, as shown in fig. 1, when the electromagnetic valve 11 is opened, the compressed air generated by the compressed air pump 22 can be introduced into the angle seat valve 13 through the electromagnetic valve 11 and the air pipe 12 and apply pressure to the piston in the angle seat valve, so that the angle seat valve is closed, the main pipeline is closed, and the steam stops outputting.

The automatic control system 16 is externally connected with a sensor, and automatically identifies the environment state of the steam output end through the sensor, so that the electromagnetic valve is controlled to be opened or closed according to the environment factors of the environment state.

As will be understood by those skilled in the art, the steam system is in a humid environment, and when electric control is adopted, accidents such as short circuit and electric leakage are easy to occur, so that the instability of the system is increased, and potential safety hazards exist.

The automatic control system 16 comprises an MCU module 14 connected with the electromagnetic valve 11 through an electric wire, and the MCU module 14 is also connected with a first temperature sensor 15 and a second temperature sensor 17.

In this embodiment, as shown in fig. 1, a temperature sensor 15 and a temperature sensor 17 are installed at the steam output end, two temperature sensors work simultaneously to enable temperature feedback to be more accurate, a temperature sensor 15 and a temperature sensor 17 accept the temperature signal of the steam output end and feed back the signal to the MCU module 14 respectively, the MCU module 14 can control the operation of the compression air pump and the electromagnetic valve in the pneumatic control assembly 9 according to the temperature signal fed back, thereby realizing the automatic adjustment of the temperature at the steam output end, and reducing the demand for manpower.

Those skilled in the art will appreciate that the temperature sensor number one 15, the temperature sensor number two 17 and the MCU module 14 are all products known in the art.

The first valve 4 and the second valve 5 are also provided with a steam filter 7.

In this embodiment, as shown in fig. 1, the steam filter 7 can filter impurities in steam, so that the steam is cleaner, the steam filter 7 is connected with the main pipeline through a flange, when the steam assembly is used in the thawing machine, the steam can be directly contacted with frozen articles, the steam filter is replaced at regular time for food safety, and the flange connection structure ensures that the replacement can be completed in the using process of the thawing machine.

The first valve 4 and the second valve 5 are further provided with a steam pressure gauge 8, the dial plate of the steam pressure gauge 8 penetrates out of the main pipeline 20, and a waterproof structure is arranged between the pipe wall of the steam pressure gauge 8 and the pipe wall of the main pipeline 20.

In this embodiment, combine shown in figure 1, steam pressure table 8 can detect the steam pressure in the pipeline, has guaranteed the safety of use with the maintenance in-process, and steam pressure table 8 dials the board and directly stretches out outside the stainless steel shell and can conveniently observe.

It will be appreciated by those skilled in the art that the waterproof structure between the steam pressure gauge 8 and the wall of the main pipe 20 may be implemented by the prior art.

The first valve 4, the second valve 5 and the main pipeline 20 are connected through flanges, and the third valve 6 and the standby pipeline 21 are connected through flanges or threads.

In this embodiment, as shown in fig. 1, the first valve 4, the second valve 5 and the main pipeline 20 are both connected by flanges, so that the middle parts of the two valves can be easily removed to replace the faulty components.

The angle seat valve 13 is a two-position two-way piston type angle seat valve. It will be understood by those skilled in the art that a two-position, two-way piston type angle seat valve is known in the art, the piston of which is capable of closing the conduits in the angle seat valve when pressurized, whereas the conduits in the angle seat valve are open when the piston of the two-position, two-way piston type angle seat valve is not pressurized.

An air filter 10 is also arranged between the electromagnetic valve 11 and the compressed air pump 22.

In this embodiment, as shown in fig. 1, one end of the air filter 10 is connected to the compressed air pump, and the other end of the air filter is connected to the electromagnetic valve 11 through the air pipe, so that the air filter 10 can filter the compressed air, ensure the cleanness of the compressed air, and avoid the impurities from damaging the pneumatic control assembly.

The angle seat valve 13, the electromagnetic valve 11, the air filter 10 and the compressed air pump 22 are all provided with a silencer 18.

In this embodiment, as shown in fig. 1, the silencer 18 can ensure that no noise is generated during the operation of the pneumatic control system 9, thereby ensuring the working environment of the workshop.

It will be appreciated by those skilled in the art that the muffler 18 is prior art.

The main pipeline 20 and the standby pipeline 21 are connected with the seamless pipeline 2 through a tee joint.

The utility model discloses a theory of operation is: the steam boiler or the steam generator 1 can generate steam, when the steam boiler or the steam generator works normally, the first valve 4 and the second valve 5 are normally open, the third valve 6 is normally closed, the pneumatic control assembly 9 can control the opening of the main pipeline 20, the steam generated by the steam boiler or the steam generator 1 can be output through the seamless pipeline 2 and the main pipeline, when the main pipeline breaks down or is in a maintenance state, the first valve 4 and the second valve 5 are closed, the third valve 6 is opened to output the steam through the standby pipeline, the first temperature sensor 15 and the second temperature sensor 17 are arranged at the steam output end, the two temperature sensors work simultaneously to enable the temperature feedback to be more accurate, the first temperature sensor 15 and the second temperature sensor 17 respectively receive the temperature signals of the steam output end and feed the signals back to the MCU module 14, the MCU module 14 can control the compression air pump and the electromagnetic valve in the pneumatic control assembly 9 to work according to the fed back temperature signals, therefore, the temperature at the steam output end is automatically adjusted, the requirement on manpower is reduced, when the electromagnetic valve 11 is opened, compressed air generated by the compressed air pump 22 can be introduced into the angle seat valve 13 through the electromagnetic valve 11 and the air pipe 12 and applies pressure to a piston in the angle seat valve to close the angle seat valve, the main pipeline is closed, steam is stopped to be output, when the electromagnetic valve 11 is closed, the compressed air stops applying pressure to the angle seat valve 13, the angle seat valve 13 is opened, the steam pipeline is communicated, the steam starts to be output, compared with electric control, the open and close of the main pipeline are controlled in a pneumatic mode, the potential safety hazard caused by the humid environment of a steam system can be reduced, the steam filter 7 can filter impurities in the steam to enable the steam to be cleaner, the steam filter 7 is connected with the main pipeline through a flange, when the steam component is used in a unfreezing machine, the steam can be directly contacted with frozen products, for food safety, the steam filter should be replaced regularly, and the flange connection structure ensures that the replacement can be completed in the using process of the unfreezing machine

The steam pressure gauge 8 can detect the steam pressure in the pipeline, the safety in the use and maintenance process is ensured, and the dial plate of the steam pressure gauge 8 directly extends out of the stainless steel shell to facilitate observation

Air filter 10 one end inserts compressed air pump, and the other end passes through the trachea and is connected with solenoid valve 11, and air filter 10 can realize guaranteeing compressed air's cleanness to compressed air's filtration, avoids impurity damage pneumatic control subassembly

The silencer 18 can ensure that no noise is generated in the working process of the pneumatic control system 9, and the working environment of a workshop is guaranteed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms steam generator 1, seamless pipe 2, steam assembly 3, valve 4, valve 5, valve 6, steam filter 7, steam pressure gauge 8, pneumatic control assembly 9, air filter 10, solenoid valve 11, air pipe 12, angle seat valve 13, MCU module 14, temperature sensor 15, automatic control system 16, temperature sensor 17, muffler 18, main pipe 20, backup pipe 21, compressed air pump 22, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The steam control system is characterized by comprising a steam assembly (3) and a steam boiler or a steam generator (1) connected with the steam assembly (3) through a seamless pipeline (2), wherein the steam assembly (3) comprises a main pipeline (20) and a standby pipeline (21), the main pipeline (20) and the standby pipeline (21) are both connected with the seamless pipeline (2), two ends of the main pipeline (20) are detachably connected with a first valve (4) and a second valve (5), a corner seat valve (13) used for controlling the opening and closing of the main pipeline (20) is further arranged between the first valve (4) and the second valve (5), the corner seat valve (13) is connected with a pneumatic control assembly (9), and a third valve (6) is further arranged on the standby pipeline (21).

2. The steam control system according to claim 1, characterized in that the pneumatic control assembly (9) comprises a compression air pump (22) connected with the angle seat valve (13) through an air pipe (12), an electromagnetic valve (11) is further arranged between the compression air pump (22) and the angle seat valve (13), and the electromagnetic valve (11) is connected with the automatic control system (16).

3. The steam control system according to claim 2, characterized in that the automatic control system (16) comprises an MCU module (14) connected with the electromagnetic valve (11) through an electric wire, and the MCU module (14) is also connected with a first temperature sensor (15) and a second temperature sensor (17).

4. A steam control system according to claim 1, 2 or 3, characterized in that the first valve (4) and the second valve (5) are further provided with a steam filter (7).

5. The steam control system according to claim 1, 2 or 3, wherein the first valve (4) and the second valve (5) are further provided with a steam pressure gauge (8), a dial plate of the steam pressure gauge (8) penetrates out of the main pipeline (20), and a waterproof structure is arranged between the steam pressure gauge (8) and the pipe wall of the main pipeline (20).

6. The steam control system according to claim 1, 2 or 3, wherein the first valve (4) and the second valve (5) are connected with the main pipeline (20) through flanges, and the third valve (6) is connected with the standby pipeline (21) through flanges or threads.

7. A steam control system according to claim 2 or 3, characterised in that the angle seat valve (13) is a two-position two-way piston angle seat valve.

8. A steam control system according to claim 2 or 3, characterized in that an air filter (10) is arranged between the electromagnetic valve (11) and the compressed air pump (22).

9. The steam control system as claimed in claim 8, wherein the angle seat valve (13), the solenoid valve (11), the air filter (10) and the compressed air pump (22) are provided with silencers (18).

10. A steam control system according to claim 1, 2 or 3, characterized in that the main line (20) and the standby line (21) are connected to the seamless line (2) by means of a three-way connection.