CN222936817U - An automatic water-filling explosion-proof diesel engine washing tank - Google Patents

Abstract

The utility model discloses an automatic water-filling explosion-proof diesel engine water washing box, comprising a water washing tank and a water-filling tank, wherein the water-filling tank is arranged on the water washing tank to seal it, and a buffer chamber and a water storage chamber are arranged in the water-filling tank, and when the working liquid level in the water washing tank drops, a water-filling valve installed between the buffer chamber and the water storage chamber can respond quickly and open automatically, so that the water in the water storage chamber flows into the water washing tank to accurately replenish the required water volume, thereby ensuring the continuous and stable operation of the equipment; the buffer chamber effectively isolates the water washing tank and the water-filling valve, thereby preventing the potential influence of insoluble alkane particles in the water washing tank on the water-filling valve, thereby ensuring the normal closing of the water-filling valve, and further enhancing the reliability and durability of the equipment; at the same time, the water-filling valve is installed on the outside of the water-filling tank, which not only improves the compactness of the equipment, but also reduces the difficulty of replacing and maintaining wearing parts.

Description

Automatic water-supplementing explosion-proof diesel engine washing tank

Technical Field

The utility model relates to the technical field of tail gas treatment, in particular to an automatic water supplementing explosion-proof diesel engine washing tank.

Background

The water washing tank is widely applied to the field of explosion-proof diesel engine tail gas treatment, water in the water washing tank can be evaporated and lost along with the purified tail gas, and an automatic water supplementing scheme combining a float valve and a water supplementing tank is mainly used at present. The float valve device is arranged in the water washing tank and is connected with an external water supplementing tank through a pipeline, and the float valve device is automatically opened and closed according to the water level change so as to maintain the liquid level in the water washing tank.

The structure is simple and effective but has obvious defects, and mainly comprises two aspects, namely firstly, because the wastewater contains insoluble alkane particles, the particles are easy to accumulate in the water washing tank and are adsorbed on a plugging part of the float valve, so that the valve cannot be normally closed, and secondly, in order to ensure that the float valve stably works in a high-temperature environment, a metal floating ball and a hard sealing structure are adopted, so that the floating ball has enough buoyancy to overcome the increase of the size of the floating ball caused by the self weight, and then, the design of the water washing tank is provided with higher requirements, including increasing the inner space to accommodate a large-scale float valve assembly, thereby influencing the overall compactness and the efficiency of the water washing tank, and simultaneously increasing the manufacturing cost and the maintenance difficulty.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides an automatic water supplementing explosion-proof diesel engine washing tank so as to overcome the defects in the prior art.

In order to achieve the technical purpose, the technical scheme of the utility model provides an automatic water supplementing explosion-proof diesel engine washing tank, which comprises a washing tank and a water supplementing tank, wherein the water supplementing tank is arranged on the washing tank to seal the washing tank, a drain valve is arranged at the bottom of the washing tank, an air inlet pipe and an air outlet pipe are arranged on the washing tank, the lower end of the air inlet pipe extends to the bottom of the washing tank, a water inlet pipe is arranged on the water supplementing tank, a water inlet valve is arranged on the water inlet pipe, a water supplementing pipe communicated with the water supplementing tank is arranged at the bottom of the water supplementing tank, the lower part of the water supplementing pipe is an elbow pipe with the tail end horizontal, and the tail end of the water supplementing pipe is positioned below the working liquid level of the washing tank.

Furthermore, a liquid level monitoring device is arranged in the washing tank, the water inlet valve is an electromagnetic valve, the water inlet valve is electrically connected with the liquid level monitoring device through a control circuit, and the control circuit controls the opening and closing of the water inlet valve through a feedback signal of the liquid level monitoring device, so that the tail end of the water supplementing pipe is kept below the working liquid level of the washing tank.

Still further, be provided with horizontal baffle in the moisturizing case, horizontal baffle is exhaust chamber and moisturizing chamber with the internal partition of moisturizing case, be provided with a plurality of trachea in the moisturizing chamber, the trachea is with exhaust chamber and washing groove intercommunication, intake pipe and blast pipe all set up on the moisturizing case, the intake pipe runs through exhaust chamber and moisturizing chamber, the blast pipe with exhaust chamber intercommunication, inlet tube and moisturizing chamber intercommunication.

Still further, be provided with vertical baffle in the moisturizing intracavity, vertical baffle separates the moisturizing intracavity into buffer chamber and water storage chamber, inlet tube and water storage chamber intercommunication, communicate through communicating pipe between buffer chamber and the water storage chamber, be provided with the moisturizing valve on communicating pipe, be provided with liquid level monitoring device in the water wash tank, the moisturizing valve is the solenoid valve, the moisturizing valve passes through control circuit and is connected with liquid level monitoring device electricity, control circuit passes through liquid level monitoring device's feedback signal control moisturizing valve's switching.

Further, a vent pipe communicated with the water storage cavity is arranged on the water supplementing tank.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the buffer cavity and the water storage cavity are arranged in the water supplementing tank, when the working liquid level in the water supplementing tank is lowered, the water supplementing tank can respond rapidly and automatically, the water in the water storage cavity can accurately supplement the required water quantity to the water supplementing tank, continuous and stable operation of equipment is ensured, the buffer cavity effectively isolates the water supplementing tank and the water supplementing valve, potential influence of insoluble alkane particles in the water supplementing tank on the water supplementing valve is prevented, normal closing of the water supplementing valve is ensured, the reliability and durability of the equipment are further enhanced, and meanwhile, the water supplementing valve is arranged outside the water supplementing tank, so that the compactness of the equipment is improved, and the replacement and maintenance difficulty of vulnerable parts is also reduced.

2. The utility model realizes the remarkable reduction of the temperature after the waste gas contacts with water in the water washing tank by arranging the water washing tank and the water supplementing tank, ensures the complete extinction of sparks, ensures that the discharged waste gas meets strict explosion-proof standards, and further reduces the temperature of the waste gas by heat exchange with the water body in the water supplementing tank in the process of the waste gas flowing through the air pipe arranged in the water supplementing tank, thereby improving the explosion-proof effect of the tail gas of the engine.

Drawings

FIG. 1 is a schematic diagram of an automatic water replenishing explosion-proof diesel engine washing tank provided by the utility model;

FIG. 2 is a cross-sectional view of a water replenishing tank of the automatic water replenishing explosion-proof diesel engine washing tank provided by the utility model.

In the figure, a water supplementing tank 1, a water washing tank 2, an air inlet pipe 3, an air outlet pipe 4, an inlet pipe 5, an air pipe 6, a blow-off valve 7, a horizontal partition plate 8, an air outlet cavity 9, a water storage cavity 10, an air pipe 11, a vertical partition plate 12, a buffer cavity 13, a water supplementing pipe 14, a communicating pipe 15, a water supplementing valve 16 and a water inlet valve 17 are arranged.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, the utility model provides an automatic water supplementing explosion-proof diesel engine washing tank, which comprises a washing tank 2 and a water supplementing tank 1, wherein the water supplementing tank 1 is arranged above the washing tank 2 and seals the washing tank 2, a drain valve 7 is arranged at the bottom of the washing tank 2 and is used for discharging wastewater and pollutants, an air inlet pipe 3 and an air outlet pipe 4 are arranged on the water supplementing tank 1, wherein the lower end of the air inlet pipe 3 extends to the bottom of the washing tank 2, and the waste gas is ensured to be fully contacted with water for washing.

The water replenishing tank 1 is internally provided with a horizontal partition 8, the horizontal partition 8 divides the water replenishing tank 1 into an upper part and a lower part, a vertical partition 12 and a plurality of air pipes 11 are arranged between the horizontal partition 8 and the bottom of the water replenishing tank 1, the air pipes 11 are used for communicating the water washing tank 2 with the upper part of the horizontal partition 8, the vertical partition 12 is used for dividing the space between the horizontal partition 8 and the bottom of the water replenishing tank 1 into a buffer cavity 13 and a water storage cavity 10, the top of the water replenishing tank 1 is provided with a water inlet pipe 5 and an air pipe 6 which are communicated with the water storage cavity 10, the water inlet pipe 5 is provided with a water inlet valve 17, the buffer cavity 13 is communicated with the bottom of the water storage cavity 10 through a communicating pipe 15, the communicating pipe 15 is arranged on the outer side wall of the water replenishing tank 1 in the embodiment, the communicating pipe 15 is provided with a water replenishing valve 16, the bottom of the buffer cavity 13 is provided with a water replenishing pipe 14, the lower part of the water replenishing pipe 14 is a bent pipe with the tail end horizontal, the tail end of the water replenishing pipe 14 is positioned below the working liquid level of the water washing tank 2 in the working process, the space between the horizontal partition 8 and the top of the water replenishing tank 1 is provided with an air outlet cavity 9, and the air outlet pipe 4 is communicated with the air outlet cavity 9.

When the device works, the waste gas contacts with water in the water washing tank 2 to reduce the temperature, and after the sparks are extinguished, the waste gas is collected in the exhaust cavity 9 by the air pipe 11 and then is discharged by the exhaust pipe 4, and the waste gas exchanges heat with the water in the buffer cavity 13 and the water storage cavity 10 in the process of flowing through the air pipe 11, so that the exhaust temperature is further reduced;

The water supplementing valve 16 is an electromagnetic valve and is in a normally closed state, at the moment, water in the buffer cavity 13 is kept in the water supplementing valve under the action of atmospheric pressure, after the working liquid level in the water washing tank 2 is reduced, a liquid level sensor arranged in the water supplementing valve outputs a signal to a control circuit, the control circuit outputs an opening signal to the water supplementing valve 16 to enable the water supplementing valve to be opened, water in the buffer cavity 13 flows into the water washing tank 2 under the action of gravity to enable the working liquid level to rise, meanwhile, water in the water storage cavity 10 flows into the buffer cavity 13 through the communicating pipe 15 to supplement the water flowing out of the water supplementing valve, so that the water in the buffer cavity is kept constant, and after the water supplementing is finished, the water supplementing valve 16 closes the buffer cavity 13 to stop filling water into the water washing tank 2;

If the system fails and the water supplementing valve 16 cannot be normally opened, when the liquid level in the water washing tank 2 is lower than the tail end of the water supplementing pipe 14, the water in the buffer cavity 13 automatically flows out under the action of gravity and automatically stops when the liquid level in the water washing tank 2 is higher than the tail end of the water supplementing pipe 14, so that the equipment can still normally operate, and the overall stability of the equipment is improved.

The buffer cavity 13 is used for isolating the water washing tank 2 from the water supplementing valve 16, water in the buffer cavity 13 and water in the water washing tank 2 only flows unidirectionally, insoluble alkane particles in the water washing tank 2 are effectively prevented from accumulating and being adsorbed on a plugging part of the water supplementing valve 16, normal closing of the valve is ensured, and meanwhile, the overall compactness of the water washing tank is improved and the replacement and maintenance difficulty of vulnerable parts is reduced due to the fact that the control part is arranged outside the water washing tank 2.

The water inlet valve 17 is connected with an external water source, and can supplement water to the water storage cavity 10 no matter whether the equipment is in a working state or not, so that continuous operation of the equipment is ensured, and the maintenance period is prolonged.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any of various other corresponding changes and modifications made according to the technical idea of the present utility model should be included in the scope of the claims of the present utility model.

Claims (5)

1. An automatic water-filling explosion-proof diesel engine water washing tank, comprising a water washing tank and a water-filling tank, wherein the water-filling tank is arranged on the water washing tank to seal it, a drain valve is arranged at the bottom of the water washing tank, an air intake pipe and an exhaust pipe are arranged on the water washing tank, wherein the lower end of the air intake pipe extends to the bottom of the water washing tank, and is characterized in that: a water inlet pipe is arranged on the water-filling tank, a water inlet valve is arranged on the water inlet pipe, a water-filling pipe connected to the water-filling tank is arranged at the bottom, the lower part of the water-filling pipe is a curved pipe with a horizontal end, and the end of the water-filling pipe is below the working liquid level of the water washing tank. 2. An automatic water-filling explosion-proof diesel engine water washing box according to claim 1, characterized in that: a liquid level monitoring device is provided in the water washing tank, the water inlet valve is a solenoid valve, the water inlet valve is electrically connected to the liquid level monitoring device through a control circuit, and the control circuit controls the opening and closing of the water inlet valve through the feedback signal of the liquid level monitoring device, so that the end of the water-filling pipe is kept below the working liquid level of the water washing tank. 3. An automatic water-filling explosion-proof diesel engine washing tank according to claim 1, characterized in that: a horizontal partition is arranged in the water-filling tank, the horizontal partition divides the interior of the water-filling tank into an exhaust chamber and a water-filling chamber, a plurality of air pipes are arranged in the water-filling chamber, the air pipes connect the exhaust chamber with the washing tank, the air inlet pipe and the exhaust pipe are both arranged on the water-filling tank, the air inlet pipe passes through the exhaust chamber and the water-filling chamber, the exhaust pipe is connected with the exhaust chamber, and the water inlet pipe is connected with the water-filling chamber. 4. An automatic water-filling explosion-proof diesel engine washing box according to claim 3, characterized in that: a vertical partition is arranged in the water-filling chamber, the vertical partition divides the water-filling chamber into a buffer chamber and a water storage chamber, the water inlet pipe is connected with the water storage chamber, the buffer chamber and the water storage chamber are connected through a connecting pipe, a water-filling valve is arranged on the connecting pipe, a liquid level monitoring device is arranged in the washing tank, the water-filling valve is a solenoid valve, the water-filling valve is electrically connected to the liquid level monitoring device through a control circuit, and the control circuit controls the opening and closing of the water-filling valve through the feedback signal of the liquid level monitoring device. 5. An automatic water-filling explosion-proof diesel engine washing tank according to claim 4, characterized in that a ventilation pipe connected to the water storage chamber is provided on the water-filling tank.