Automatic boiler water medicament adding device

Abstract

The utility model relates to the technical field of high-temperature and high-pressure boiler water chemicals, and discloses an automatic boiler water chemical feeding device. According to the automatic dosing device for the high-temperature and high-pressure boiler water medicament, by installing the main body mechanism, in the using process, discharging of the discharging pipe is controlled through the electromagnetic valve II, the medicament discharging amount is detected through the flow sensor II, when the required medicament amount is reached, the electromagnetic valve II is controlled to be closed through the control switch, accurate and quantitative dosing can be achieved, and the dosing efficiency is improved. When the agent is added, impurities in the agent are filtered through the filtering assembly, the situation that the impurities are mixed to cause pipeline blockage and affect use is avoided, when the agent in the agent adding tank is lower than the liquid level sensor I, the control switch controls the agent adding assembly and the water adding assembly to be started, and the agent can be automatically discharged into the agent adding tank; when the chemical reaches the position of the liquid level sensor II, the chemical adding assembly and the water adding assembly are closed, automatic chemical preparation is achieved, the situation that no chemical exists in the chemical adding tank, and consequently operation is stopped is avoided, and the practicability of the automatic water chemical adding device for the high-temperature and high-pressure boiler is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler water medicine, in particular to an automatic medicine adding device for boiler water medicine. Background Art

[0002] The ingredients in boiler water chemicals are relatively complex. Some substances are volatile and strongly alkaline. At this time, it is necessary to avoid volatilization of the drugs when adding chemicals to the boiler, and to avoid damage to the construction workers caused by splashing liquid during stirring. Some boilers face a high temperature and high pressure environment when adding chemicals. Secondly, the temperature of the mixed chemicals cannot be guaranteed when they are mixed.

[0003] The boiler water dosing devices currently used are generally manual dosing devices. On the one hand, the dosing process requires manual stirring before dosing, and the dosing efficiency and accuracy are low. The amount of dosing cannot be automatically controlled, and when the agent in the dosing device is used up, it is necessary to manually add the agent. On the other hand, the sewage outlet of the dosing tank is set up in a single way, which is inconvenient for sewage discharge and reduces the effect of use. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a boiler water agent automatic dosing device, and its technical solution is:

[0005] It includes a main body mechanism and a stirring mechanism, wherein the stirring mechanism is located at the upper end of the main body mechanism, and the main body mechanism includes a base, a dosing tank and a control switch, wherein the dosing tank is fixedly installed at the upper end of the base, a bottom discharge pipe is installed at the bottom of the dosing tank, a bottom flange is provided between the bottom discharge pipe and the bottom of the dosing tank, the base discharge pipe passes through the base, and the bottom discharge pipe is controlled by a solenoid valve or a rotary valve to discharge; the control switch is fixedly installed at the front end of the dosing tank;

[0006] The main body mechanism also includes a dosing component, a water adding component, a liquid level sensor I, a liquid level sensor II, a discharge pipe, a solenoid valve II, a flow sensor II, a universal wheel, a foot brake and a filter component. The dosing component is fixedly installed on the upper end of the base, the water adding component is fixedly installed behind the dosing component, the liquid level sensor I is fixedly installed on the inside of the dosing tank, the liquid level sensor II is fixedly installed above the liquid level sensor I, the discharge pipe is fixedly installed on the right end of the dosing tank, the solenoid valve II is fixedly connected to the upper end of the discharge pipe, the flow sensor II is fixedly installed on the inner bottom of the discharge pipe, and the filter component is movably installed on the right end of the discharge pipe;

[0007] The filter assembly includes a filter tube, a threaded connection tube and a filter screen. The threaded connection tube is arranged at the left end of the filter tube, the filter screen is arranged inside the right end of the filter tube, and a sewage outlet is arranged at the bottom of the side of the filter tube, which is controlled to be opened or closed by a solenoid valve or a rotary valve.

[0008] Furthermore, the dosing component includes a water pump I, a dosing pipe, a solenoid valve I and a flow sensor I. The water pump I is fixedly installed on the upper end of the base, an electric water faucet is installed on the water inlet pipeline, and the water outlet is connected to the dosing pipe. The dosing pipe is fixedly installed on the upper end of the water pump I, the solenoid valve I is fixedly connected to the left end of the dosing pipe, and the flow sensor I is fixedly connected to the inside of the dosing pipe.

[0009] Furthermore, the structure of the water adding component is the same as that of the drug adding component, including a water pump II and a water adding pipe. The water pump II is fixedly installed behind the water pump I. The water inlet pipe of the water pump II is connected to an electric hot water faucet, and its water outlet is connected to the water adding pipe. The water adding pipe is fixedly installed at the upper end of the water pump II, the solenoid valve is fixedly connected to the left side of the water adding pipe, and the flow sensor is installed inside the water adding pipe.

[0010] Furthermore, the universal wheel is movably mounted on the lower end of the base, and the foot brake is movably mounted on the upper end of the universal wheel.

[0011] Furthermore, the stirring mechanism includes a driving motor, a stirring shaft, stirring blades, an electric heater, a temperature sensor and a liquid level observation window. The driving motor is fixedly installed at the upper end of the dosing tank. The stirring shaft is installed at the output end of the driving motor, and a plurality of stirring blades are provided on the stirring shaft.

[0012] Furthermore, the electric heater is fixedly installed inside the dosing tank, the temperature sensor is fixedly installed above the electric heater, and the liquid level observation window is arranged on the outside of the dosing tank.

[0013] The beneficial effect of the utility model is that the utility model is an automatic dosing device for boiler water medicine. Compared with the prior art, by installing a solenoid valve, a flow sensor, an electric heater, a filter component, etc.

[0014] ① When discharging medicine, the discharge pipe is controlled by solenoid valve II, and the flow sensor II can detect the amount of medicine discharged. When the required amount of medicine is reached, the flow sensor II transmits a signal to the control switch, and the control switch controls the solenoid valve II to close, so that accurate quantitative discharging of medicine can be achieved. When discharging medicine, impurities in the medicine can be filtered through the filter component. The filter component is configured to be detachable, which is convenient for cleaning on the one hand and replacement on the other.

[0015] ② When the reagent in the dosing tank is lower than the liquid level sensor I, the liquid level sensor I transmits a signal to the control switch, and the control switch controls the dosing component and the water adding component to start. The dosing and water adding inlets are connected to electric water taps, which can automatically discharge the heated reagent into the dosing tank. When the reagent reaches the position of the liquid level sensor II, the dosing component and the water adding component are closed, and a start signal is given to the drive motor and the electric heater at the same time. The drive motor drives the stirring shaft and the stirring blades to rotate to stir the liquid in the tank evenly, thereby improving the mixing effect of the reagents;

[0016] ③The reagent is heated to a temperature suitable for mixing through an electric heater. The temperature sensor can detect the temperature, which is convenient for controlling the heating temperature and improving the use effect of automatic dosing of boiler water reagents.

[0017] ④ When the tank needs to be drained, the drain port on the filter assembly can be opened to drain the sewage, or the bottom discharge pipe can be opened to drain the sewage.

[0018] The utility model can realize automatic medicine dispensing, avoid the situation that the medicine adding tank is empty and causes the operation to stop, can improve the work efficiency, and improves the practicality of the automatic medicine adding device for boiler water. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0022] Figure 4 This is a partial enlarged view of the dosing component of the utility model;

[0023] Figure 5 It is a partial enlarged view of the universal wheel of the utility model.

[0024] In the figure: 1 main body mechanism; 101 base; 102 dosing tank; 103 control switch; 104 dosing assembly; 1041 water pump I; 1042 dosing pipe; 1043 solenoid valve I; 1044 flow sensor I; 105 water adding assembly; 1051 water pump II; 1052 water adding pipe; 106 liquid level sensor I; 107 liquid level sensor II; 108 discharge pipe; 109 solenoid valve II; 110 flow sensor II; 111 universal wheel; 112 foot brake; 113 filter assembly; 1131 filter pipe; 1132 threaded connecting pipe; 1133 filter screen; 1134 sewage outlet; 2 stirring mechanism; 201 drive motor; 202 stirring shaft; 203 stirring blade; 204 electric heater; 205 temperature sensor; 206 liquid level observation window, 3 bottom protrusion, 301 bottom flange, 302 bottom discharge pipe. DETAILED DESCRIPTION

[0025] As shown in the figure, the utility model provides a technical solution: an automatic dosing device for boiler water reagents, including a main body mechanism 1 and a stirring mechanism 2, the stirring mechanism 2 is located at the upper end of the main body mechanism 1, the main body mechanism 1 includes a base 101, a dosing tank 102 and a control switch 103, the dosing tank 102 is fixedly installed at the upper end of the base 101, and the control switch 103 is fixedly installed at the front end of the dosing tank 102.

[0026] The main body 1 also includes a dosing component 104, a water adding component 105, a liquid level sensor I106, a liquid level sensor II107, a discharge pipe 108, a solenoid valve II109, a flow sensor II110, a universal wheel 111, a foot brake 112 and a filter component 113. The dosing component 104 is fixedly installed on the upper end of the base 101, and the water adding component 105 is fixedly installed behind the dosing component 104. The structural components and connection relationship of the dosing component are the same as the structural components of the water adding component, and the liquid inlet ends of the dosing component and the water adding component are connected to the electric water faucet (the electric water faucet is an existing device, the same as a household fast heating electric heater, and its water outlet temperature is controllable.) through a tee. After the drug is heated, it is added to the dosing tank.

[0027] The dosing component 104 includes a water pump I1041, a dosing tube 1042, a solenoid valve I1043 and a flow sensor I1044. The water pump I1041 is fixedly installed on the upper end of the base 101, an electric water faucet is installed on the liquid inlet pipeline of the water pump I, the dosing tube 1042 is fixedly installed on the upper end of the water pump I1041, the solenoid valve I1043 is fixedly connected to the left end of the dosing tube 1042, and the flow sensor I1044 is fixedly connected to the inside of the dosing tube 1042.

[0028] The water adding component 105 includes a water pump II1051 and a water adding pipe 1052. The water pump II1051 is fixedly installed behind the water pump I1041. Another electric hot water faucet is installed on the liquid inlet pipeline of the water pump II. The water adding pipe 1052 is fixedly installed on the upper end of the water pump II1051, and its flow sensor is installed inside the water adding pipe.

[0029] The liquid level sensor I106 (an existing device) is fixedly installed inside the dosing tank 102, the liquid level sensor II107 is fixedly installed above the liquid level sensor I106, the discharge pipe 108 is fixedly installed at the right end of the dosing tank 102, the solenoid valve II109 is fixedly connected to the upper end of the discharge pipe 108, the flow sensor II110 is fixedly installed inside the discharge pipe 108, the universal wheel 111 is movably installed at the lower end of the base 101, the foot brake 112 is movably installed at the upper end of the universal wheel 111, and the filter assembly 113 is movably installed at the right end of the discharge pipe 108. The filter assembly 113 includes a filter tube 1131, a threaded connection tube 1132, a filter screen 1133 and a sewage outlet 1134. It is an integrated design. The filter tube 1131 is movably connected to the right side of the discharge pipe. The threaded connection tube 1132 is arranged at the left end of the filter tube 1131 and is threadedly connected and fixed to the discharge pipe 108. The filter screen 1133 is fixedly installed inside the filter tube 1131. A sewage outlet is provided at the bottom of the side of the filter tube, which is controlled to be opened or closed by a solenoid valve or a rotary valve.

[0030] During the use of the automatic dosing device, the universal wheel 111 can be used to move the device to the work site, and then the foot brake 112 can be stepped on to fix it. The discharge of the discharge pipe 108 is controlled by the solenoid valve II109, and the flow sensor II110 can detect the amount of medicine. When the required amount of medicine is reached, the flow sensor II110 transmits a signal to the control switch 103, and the control switch 103 controls the solenoid valve II109 to close, so as to achieve precise quantitative dosing. When the medicine is discharged, the impurities in the medicine are filtered through the filter net 1133 to avoid the mixing of impurities and the influence of the use. When the filter net 1133 needs to be cleaned, the filter tube 1131 can be unscrewed counterclockwise for easy cleaning and replacement. When the medicine in the dosing tank 102 is lower than the liquid level sensor I106, the liquid level sensor I106 transmits a signal to the control switch 103, and the control switch 103 controls the dosing component 104 and the water adding component 105 to start, and the medicine can be automatically discharged into the dosing tank 102. When the medicine reaches the position of the liquid level sensor II107, the dosing component 104 and the water adding component 105 are closed, and a signal is given to the stirring mechanism at the same time, and the stirring mechanism starts working. The utility model can realize automatic dispensing and avoid stopping operation due to lack of medicine in the dosing tank 102.

[0031] The stirring mechanism 2 includes a driving motor 201, a stirring shaft 202, stirring blades 203, an electric heater 204, a temperature sensor 205 and a liquid level observation window 206. The driving motor 201 is fixedly installed at the upper end of the dosing tank 102, the stirring shaft 202 is fixedly installed at the lower end of the driving motor 201, a plurality of stirring blades 203 are fixedly installed at the outer end of the stirring shaft 202, the electric heater 204 is fixedly installed inside the dosing tank 102, the temperature sensor 205 is fixedly installed above the electric heater 204, and the liquid level observation window 206 is fixedly set at the outer end of the dosing tank 102.

[0032] Before use, the medicine can be heated to a temperature suitable for mixing by an electric heater 204 (existing equipment), and a temperature sensor 205 (existing equipment) can detect the temperature to facilitate control of the heating temperature. Then, the drive motor 201 is started, and the drive motor 201 drives the stirring shaft 202 to rotate, and the stirring shaft 202 drives the stirring blade 203 to rotate, so that the medicine is mixed evenly.

[0033] When sewage needs to be discharged from the tank, the sewage outlet 1134 on the filter assembly can be opened for sewage discharge, or the bottom discharge pipe 302 can be opened for sewage discharge (some dosing tanks have a bottom protrusion 3, and a bottom flange 301 is provided at the bottom of the dosing tank, which is connected to the bottom discharge pipe 302. Using the siphon principle, a solenoid valve or a rotary valve is provided on the bottom discharge pipe to facilitate the opening and closing of the sewage outlet). In actual operation, a hose can also be installed on the discharge pipe 302 and connected to the hose of the sewage outlet 1134 through a tee. A control valve can be used for unified control to facilitate sewage discharge.

[0034] Working principle: Before use, the medicine can be heated to a temperature suitable for mixing through the electric heater 204, and the temperature sensor 205 can detect the temperature to facilitate the control of the heating temperature, and then the drive motor 201 is started, and the drive motor 201 drives the stirring shaft 202 to rotate, and the stirring shaft 202 drives the stirring blade 203 to rotate, so that the medicine is mixed evenly. During the use of the automatic dosing device, the universal wheel 111 can be used to move the device to the work site, and then the foot brake 112 is stepped on to fix it. The discharge of the discharge pipe 108 is controlled by the solenoid valve II109, and the flow sensor II110 can detect the amount of medicine. When the required amount of medicine is reached, the flow sensor II110 transmits a signal to the control switch 103, and the control switch 103 controls the electromagnetic When valve II109 is closed, precise quantitative dosing can be achieved. When discharging the medicine, impurities in the medicine are filtered through the filter 1133 to prevent impurities from mixing and affecting its use. When the filter 1133 needs to be cleaned, the filter tube 1131 can be unscrewed counterclockwise for easy cleaning. When the medicine in the dosing tank 102 is lower than the liquid level sensor I106, the liquid level sensor I106 transmits a signal to the control switch 103. The control switch 103 controls the dosing component 104 and the water adding component 105 to start, and the medicine can be automatically discharged into the dosing tank 102. When the medicine reaches the position of the liquid level sensor II107, the dosing component 104 and the water adding component 105 are closed, and automatic dispensing can be achieved to avoid the dosing tank 102 being out of medicine and causing it to stop running.

[0035] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A boiler water reagent automatic dosing device, comprising a main body mechanism (1) and a stirring mechanism (2), characterized in that: The stirring mechanism (2) is located at the upper end of the main mechanism (1); the main mechanism (1) comprises a base (101), a dosing tank (102) and a control switch (103); the dosing tank (102) is fixedly mounted on the upper end of the base (101); a bottom discharge pipe (302) is mounted at the bottom of the dosing tank (102); a bottom flange (301) is provided between the bottom discharge pipe (302) and the bottom of the dosing tank (102); the base discharge pipe (302) passes through the base (101); and the discharge of the bottom discharge pipe is controlled by a solenoid valve or a rotary valve; the control switch (103) is fixedly mounted at the front end of the dosing tank (102); The main body (1) further comprises a dosing component (104), a water adding component (105), a liquid level sensor I (106), a liquid level sensor II (107), a discharge pipe (108), a solenoid valve II (109), a flow sensor II (110), a universal wheel (111), a foot brake (112) and a filter component (113); the dosing component (104) is fixedly mounted on the upper end of the base (101); the water adding component (105) is fixedly mounted behind the dosing component (104); and the liquid level sensor II (107) is fixedly mounted on the upper end of the base (101). The sensor I (106) is fixedly mounted on the bottom of the dosing tank (102), the liquid level sensor II (107) is fixedly mounted above the liquid level sensor I (106), the discharge pipe (108) is fixedly mounted on the right end of the dosing tank (102), the solenoid valve II (109) is fixedly connected to the upper end of the discharge pipe (108), the flow sensor II (110) is fixedly mounted on the inner bottom of the discharge pipe (108), and the filter assembly (113) is movably mounted on the right end of the discharge pipe (108); The filter assembly (113) comprises a filter tube (1131), a threaded connection tube (1132) and a filter screen (1133); the threaded connection tube (1132) is arranged at the left end of the filter tube (1131); the filter screen (1133) is arranged inside the right end of the filter tube (1131); and a sewage outlet (1134) is provided at the bottom of the side of the filter tube (1131), which is opened or closed by a solenoid valve or a rotary valve.

2. The automatic dosing device for boiler water chemicals according to claim 1 is characterized by: The dosing assembly (104) comprises a water pump I (1041), a dosing pipe (1042), a solenoid valve I (1043) and a flow sensor I (1044); the water pump I (1041) is fixedly mounted on the upper end of the base (101); an electric water tap is mounted on the water inlet pipe of the water pump I (1041); the water outlet is connected to the dosing pipe (1042); the dosing pipe (1042) is fixedly mounted on the upper end of the water pump I (1041); the solenoid valve I (1043) is fixedly connected to the left end of the dosing pipe (1042); and the flow sensor I (1044) is fixedly connected to the inside of the dosing pipe (1042).

3. The automatic dosing device for boiler water chemicals according to claim 2 is characterized in that: The structure of the water adding component (105) is the same as that of the drug adding component (104), and comprises a water pump II (1051) and a water adding pipe (1052). The water pump II (1051) is fixedly installed behind the water pump I (1041). The water inlet pipe of the water pump II (1051) is connected to an electric water faucet, and the water outlet is connected to the water adding pipe (1052). The water adding pipe (1052) is fixedly installed at the upper end of the water pump II (1051). The solenoid valve is fixedly connected to the left side of the water adding pipe, and the flow sensor is installed inside the water adding pipe.

4. The automatic dosing device for boiler water chemicals according to claim 3 is characterized by: The universal wheel (111) is movably mounted on the lower end of the base (101), and the foot brake (112) is movably mounted on the upper end of the universal wheel (111).

5. The automatic dosing device for boiler water chemicals according to claim 4 is characterized by: The stirring mechanism (2) comprises a driving motor (201), a stirring shaft (202), stirring blades (203), an electric heater (204), a temperature sensor (205) and a liquid level observation window (206); the driving motor (201) is fixedly mounted on the upper end of the dosing tank (102); the stirring shaft (202) is mounted on the output end of the driving motor (201); and a plurality of stirring blades (203) are arranged on the stirring shaft.

6. The automatic dosing device for boiler water chemicals according to claim 5 is characterized by: The electric heater (204) is fixedly installed inside the dosing tank (102), the temperature sensor (205) is fixedly installed above the electric heater (204), and the liquid level observation window (206) is arranged on the outside of the dosing tank (102).

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