CN210118733U

CN210118733U - Intelligent water replenishing device for boiler

Info

Publication number: CN210118733U
Application number: CN201921066009.7U
Authority: CN
Inventors: 陈双塔; 黄文博; 郜力军; 强龙; 刘军
Original assignee: West Extension Energy Group Co Ltd
Current assignee: Horgos Xituo Energy Technology Co., Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-02-28
Anticipated expiration: 2029-07-09

Abstract

This patent belongs to boiler equipment technical field, specifically disclose a boiler intelligence moisturizing device, including evaporation chamber and moisturizing mechanism, moisturizing mechanism includes the storage water tank, first inlet tube, the second inlet tube with be used for controlling the control unit for the storage water tank moisturizing, storage water tank and evaporation chamber are through first inlet tube intercommunication, be equipped with the water pump on the first inlet tube, be equipped with the solenoid valve on the second inlet tube, the control unit includes the support, the pillar, the backup pad, slide bar and connecting plate, the support is located in the storage water tank, the top of support is articulated with the bottom of connecting plate, the connecting plate top is connected with the spring, the top of pillar is equipped with first pressure sensor, be equipped with second pressure sensor in the backup pad, the slide bar runs through the top of storage water tank, storage water tank and slide bar sliding connection, the one end that the. Compared with the prior art, the utility model discloses an aspect can be automatically to the boiler moisturizing, and on the other hand can continue to the boiler moisturizing when the water source temporarily stops the water.

Description

Intelligent water replenishing device for boiler

Technical Field

The utility model relates to a boiler equipment technical field, concretely relates to boiler intelligence moisturizing device.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the origin of the boiler refers to a water container heated on fire, the boiler refers to a place where the fuel is combusted, the boiler comprises a boiler and a boiler, hot water or steam generated in the boiler can directly provide heat energy required by industrial production and people life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into the electric energy through a generator, the boiler for providing the hot water is called a hot water boiler and is mainly used for life, a small amount of applications are also provided in the industrial production, the boiler for generating the steam is called a steam boiler, and the boiler is often called a boiler for short, and is mainly used for thermal power stations, ships, locomotives and industrial and.

The existing boiler can not realize automatic water supplement, and can not automatically supplement water into the boiler after the water level in the evaporation cavity is reduced, so that the boiler is easy to burn out, and the service life of the boiler is relatively short; when the water source is temporarily stopped, the emergency water supply to the boiler can not be carried out in other modes, so that the supply of steam is influenced, and the subsequent work can not be smoothly carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler intelligence moisturizing device to solve the problem that current boiler can not be automatic can not be to the emergent moisturizing in the evaporation cavity when moisturizing in the evaporation cavity and water source cut off the water.

In order to achieve the above purpose, the utility model provides an intelligent water replenishing device for a boiler, which comprises an evaporation cavity, and further comprises a water replenishing mechanism, a liquid level sensor and a PLC controller, wherein the liquid level sensor is arranged in the evaporation cavity, the water replenishing mechanism comprises a water storage tank, a first water inlet pipe, a second water inlet pipe and a control unit for controlling the water replenishing of the water storage tank, the water storage tank is communicated with the evaporation cavity through the first water inlet pipe, a water pump is arranged on the first water inlet pipe, the second water inlet pipe is arranged on the side surface of the water storage tank, a solenoid valve is arranged on the second water inlet pipe, the PLC controller is arranged on the water storage tank, the control unit comprises a support, a support column, a support plate, a sliding rod and a connecting plate, the support is arranged in the water storage tank, the bottom end of the support is perpendicular to, the spring is located the support right side, the pillar is connected in the top of storage water tank, the top of pillar is equipped with first pressure sensor, the backup pad is located on the inner wall of storage water tank left side, be equipped with second pressure sensor in the backup pad, the slide bar runs through the top of storage water tank, storage water tank and slide bar sliding connection, the one end that the slide bar is located the storage water tank outside is equipped with the stopper, the slide bar is located between first pressure sensor and the connecting plate free end, water pump, level sensor, first pressure sensor, second pressure sensor, solenoid valve all are connected with the PLC controller electricity.

The principle of the utility model lies in: the liquid level sensor in the evaporation cavity continuously monitors the water level height in the evaporation cavity, when the liquid level sensor monitors that the water level in the evaporation cavity is lower than the lowest water level value set in the PLC, the PLC controls the water pump to be started, then the water pump introduces water in the water storage tank into the evaporation cavity through the first water inlet pipe, and when the liquid level sensor monitors that the liquid level in the evaporation cavity rises to the highest water level value set in the PLC, the PLC controls the water pump to stop working.

When the water pump supplies water in the water storage tank into the evaporation cavity, the water level in the water storage tank is gradually reduced, meanwhile, one end of the connecting plate, which is connected with the spring, is downwards inclined along a position hinged with the bracket under the action of the stress of the spring, the free end of the connecting plate upwards inclines, then, the free end of the connecting plate touches the bottom end of the sliding rod and pushes the sliding rod to upwards move until the sliding rod touches the first pressure sensor, the first pressure sensor transmits a signal to the PLC, the PLC controls the electromagnetic valve to be opened, then, water is supplied into the water storage tank through the second water inlet pipe, when the water level in the water storage tank gradually rises, one end of the connecting plate, which is connected with the spring, extrudes the spring and upwards gradually inclines under the action of the buoyancy of the water, meanwhile, the free end of the connecting plate downwards inclines, and the sliding rod downwards moves under the action of the self gravity, when the free end of the connecting plate inclines downwards and touches the second pressure sensor, the second pressure sensor transmits a signal to the PLC controller, and the PLC controller controls the electromagnetic valve to be closed to stop supplying water to the water storage tank.

Compared with the prior art, the utility model discloses beneficial effect lies in: 1. after the water level in the evaporation cavity is reduced, water can be automatically supplemented into the evaporation cavity; 2. can guarantee through above-mentioned scheme that the storage water tank all has the water of capacity at any time, when the water source temporarily stops water, can temporarily to evaporating the intracavity moisturizing through the water of storage water tank storage, guarantee going on smoothly of the supply of steam and follow-up work, can not in time to evaporating the intracavity moisturizing when avoiding the water source to stop water, and burn out the boiler or influence follow-up work.

And in the second scheme, the preferable basic scheme is that a plurality of floating balls are arranged at the bottom end of the connecting plate and are positioned on the right side of the support. The floating ball is arranged at the bottom end of the connecting plate, so that the connecting plate is pushed to move upwards by utilizing the buoyancy of water, and the spring is compressed, thereby accurately controlling the water replenishing work of the water storage tank.

Scheme three, this is the preferred of scheme two, the slide bar is located storage water tank inboard one end and is equipped with the balancing weight. The bottom at the slide bar sets up the balancing weight, can utilize the gravity of balancing weight to pull back the normal position with the slide bar when the free end of connecting plate moves down, avoids the sliding block to utilize self gravity to move down when, the card in with the junction of storage water tank.

In a fourth aspect, the connection plate is preferably hollow inside. When the liquid level rises, one end of the connecting plate connected with the spring is pushed upwards through the buoyancy of water, so that the aim of accurately controlling water supplement of the water storage tank is fulfilled.

And a fifth scheme is preferable to the fourth scheme, wherein a steam outlet pipe is arranged at the top end of the evaporation cavity, and a combustion chamber is arranged at the bottom end of the evaporation cavity.

Drawings

FIG. 1 is a schematic structural view of the intelligent water replenishing device for a boiler according to the present invention with the solenoid valve closed;

FIG. 2 is a schematic structural view of the intelligent water replenishing device for a boiler according to the present invention with the solenoid valve open;

FIG. 3 is a control flow chart of the intelligent water replenishing device for the boiler of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments:

reference numerals in the drawings of the specification include: the device comprises a combustion chamber 1, an evaporation cavity 2, a steam outlet pipe 3, a liquid level sensor 4, a first water inlet pipe 5, a water pump 6, a water storage tank 7, a support 8, a support plate 9, a second pressure sensor 10, a connecting plate 11, a balancing weight 12, a sliding rod 13, a limiting block 14, a support column 15, a first pressure sensor 16, a spring 17, a second water inlet pipe 18, an electromagnetic valve 19, a floating ball 20 and a PLC (programmable logic controller) 21.

As shown in fig. 1 and 2: the boiler intelligent water replenishing device comprises an evaporation cavity 2, a combustion chamber 1, a water replenishing mechanism and a liquid level sensor 4, wherein the evaporation cavity 2 is arranged at the top end of the combustion chamber 1, a steam outlet pipe 3 is arranged at the top end of the evaporation cavity 2, the liquid level sensor 4 is arranged on the inner wall of the evaporation cavity 2, the water replenishing mechanism comprises a water storage tank 7, a first water inlet pipe 5, a second water inlet pipe 18 and a control unit for controlling the water replenishing of the water storage tank 7, the water storage tank 7 is communicated with the evaporation cavity 2 through the first water inlet pipe 5, a water pump 6 is arranged on the first water inlet pipe 5, the second water inlet pipe 18 is arranged on the left side surface of the water storage tank 7, an electromagnetic valve 19 is arranged on the second water inlet pipe 18, a PLC (programmable logic controller; the control unit comprises a support 8, a support post 15, a support plate 9, a sliding rod 13 and a connecting plate 11, the support 8 is arranged in the water storage tank 7, the bottom end of the support 8 is perpendicular to the bottom end of the water storage tank 7, the top end of the support 8 is hinged with the bottom end of the connecting plate 11, the top end of the connecting plate 11 is connected with a spring 17, the spring 17 is positioned on the right side of the support 8, a plurality of floating balls 20 are arranged at the bottom end of the connecting plate 11, the floating balls 20 are positioned on the right side of the support 8, one end of the connecting plate 11; pillar 15 is connected in the top of storage water tank 7, the top of pillar 15 is equipped with first pressure sensor 16, slide bar 13 runs through the top of storage water tank 7, and with storage water tank 7 sliding connection, slide bar 13 is located between first pressure sensor 16 and the connecting plate 11 free end, in order to prevent slide bar 13 from the top slippage of storage water tank 7, then be equipped with stopper 14 in the one end that slide bar 13 is located the storage water tank 7 outside, slide bar 13 is located storage water tank 7 inboard one end and is equipped with balancing weight 12, backup pad 9 is located on the left inner wall of storage water tank 7, the top of backup pad 9 is equipped with second pressure sensor 10.

As shown in fig. 3: first, the water pump 6, the liquid level sensor 4, the first pressure sensor 16, the second pressure sensor 10 and the electromagnetic valve 19 are all electrically connected with the PLC controller 21. 1. The connection relation of elements for controlling the water replenishing of the evaporation cavity 2 is as follows: the liquid level sensor 4 is electrically connected with the input end of the PLC controller 21 through a lead, and the water pump 6 is electrically connected with the output end of the PLC controller 21 through a lead; 2. the connection relation of components for controlling the water replenishing of the water storage tank 7 is as follows: the first pressure sensor 16 and the second pressure sensor 10 are both electrically connected with the input end of the PLC controller 21 through a wire, and the electromagnetic valve 19 is electrically connected with the output end of the PLC controller 21 through a wire.

The implementation manner of the embodiment is as follows: at first, liquid level sensor 4 in evaporation chamber 2 lasts the water level height in monitoring evaporation chamber 2, when liquid level sensor 4 monitored the water level in evaporation chamber 2 and is less than the minimum value of the water level of setting for in PLC controller 21, PLC controller 21 control water pump 6 starts, water pump 6 introduces evaporation chamber 2 through first inlet tube 5 with the water in the storage water tank 7 afterwards, when liquid level sensor 4 monitored the liquid level in evaporation chamber 2 and risen to the maximum value of the water level of setting for in PLC controller 21, PLC controller 21 control water pump 6 stop work.

When the water pump 6 replenishes water in the water storage tank 7 into the evaporation cavity 2, the water level in the water storage tank 7 is gradually reduced, meanwhile, one end, connected with the spring 17, of the connecting plate 11 is downwards inclined along the position hinged with the support 8 under the action of the stress of the spring 17, the free end of the connecting plate 11 upwards inclines, then the free end of the connecting plate 11 touches the bottom end of the sliding rod 13 and pushes the sliding rod 13 to upwards move, when the sliding rod 13 touches the first pressure sensor 16, the first pressure sensor 16 transmits a signal to the PLC controller 21, the PLC controller 21 controls the electromagnetic valve 19 on the second water inlet pipe 18 to be opened, and then the water is replenished into the water storage tank 7 through the second water inlet pipe 18; when the water level in the water storage tank 7 gradually rises, one end of the connecting plate 11 connected with the spring 17 extrudes the spring 17 under the action of buoyancy of water and gradually inclines upwards, meanwhile, the free end of the connecting plate 11 inclines downwards, the sliding rod 13 moves downwards under the action of self gravity and the counterweight block 12, when the free end of the connecting plate 11 inclines downwards and touches the second pressure sensor 10, the second pressure sensor 10 transmits a signal to the PLC controller 21, the PLC controller 21 controls the electromagnetic valve 19 on the second water inlet pipe 18 to be closed, and then water supplement to the water storage tank 7 is stopped.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The intelligent water replenishing device for the boiler comprises an evaporation cavity and is characterized by further comprising a water replenishing mechanism, a liquid level sensor and a PLC (programmable logic controller), wherein the liquid level sensor is arranged in the evaporation cavity, the water replenishing mechanism comprises a water storage tank, a first water inlet pipe, a second water inlet pipe and a control unit for controlling the water replenishing of the water storage tank, the water storage tank is communicated with the evaporation cavity through the first water inlet pipe, a water pump is arranged on the first water inlet pipe, the second water inlet pipe is arranged on the side surface of the water storage tank, an electromagnetic valve is arranged on the second water inlet pipe, the PLC is arranged on the water storage tank, the control unit comprises a support, a support pillar, a support plate, a sliding rod and a connecting plate, the support is arranged in the water storage tank, the bottom end of the support is perpendicular to the bottom end of the water storage tank, the utility model discloses a water pump, including the storage water tank, backup pad, slide bar, stopper, water pump, level sensor, first pressure sensor, second pressure sensor, solenoid valve, PLC controller electricity, the pillar is connected in the top of storage water tank, the top of pillar is equipped with first pressure sensor, the backup pad is located on the inner wall of storage water tank left side, be equipped with second pressure sensor in the backup pad, the slide bar runs through the top of storage water tank, storage water tank and slide bar sliding connection, the one end that the slide bar is located the storage water tank outside is equipped with the stopper, the slide bar is located between first pressure sensor and the connecting plate free end.

2. The intelligent boiler water replenishing device according to claim 1, wherein a plurality of floating balls are arranged at the bottom end of the connecting plate, and the floating balls are positioned on the right side of the support.

3. The intelligent water replenishing device for the boiler according to claim 2, wherein a balancing weight is arranged at one end of the sliding rod, which is positioned at the inner side of the water storage tank.

4. The intelligent boiler water supplementing device according to claim 3, wherein the connecting plate is hollow inside.

5. The intelligent boiler water replenishing device according to claim 4, wherein a steam outlet pipe is arranged at the top end of the evaporation cavity, and a combustion chamber is arranged at the bottom end of the evaporation cavity.