CN213088898U

CN213088898U - Prevent waste liquid and spill over device

Info

Publication number: CN213088898U
Application number: CN202021350527.4U
Authority: CN
Inventors: 张安林; 盛小伍; 潘春跃; 邓泽平; 成佳; 彭媛媛
Original assignee: Central South University; Hunan Cancer Hospital; Hunan Huateng Pharmaceutical Co Ltd
Current assignee: Central South University; Hunan Cancer Hospital; Hunan Huateng Pharmaceutical Co Ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-30
Anticipated expiration: 2030-07-10

Abstract

The invention belongs to the technical field of waste liquid treatment in the chemical and pharmaceutical industry, and particularly relates to a waste liquid overflow prevention device which comprises a waste liquid overflow detection device, an overflow waste liquid temporary storage device, a pressure control device and a connecting pipe. The invention overcomes the defects of the prior art, provides the waste liquid overflow prevention device which does not relate to electrifying devices such as an electronic circuit and the like, can monitor the position of waste liquid to prevent the waste liquid from overflowing, reduces environmental pollution and ensures the personal safety of operators.

Description

Prevent waste liquid and spill over device

Technical Field

The invention relates to the technical field of waste liquid treatment in the chemical and pharmaceutical industry, in particular to a waste liquid overflow prevention device.

Background

Organic waste water that produces in the chemical industry pharmaceutical industry production process is the iron sheet bucket or the plastic drum splendid attire with 200 liter volumes usually, because general waste liquid storage device opening diameter is less than 10cm, in addition because waste liquid storage device belongs to complete non-transparent material, when concentrating to empty the waste liquid in waste liquid storage device, often unable visual observation reaches waste liquid level position, waste liquid storage area is because of containing various volatile compound in addition, often the smell is very big, cause operating personnel to produce conflict in the heart and lead to forgetting easily, thereby lead to waste liquid storage device in the waste liquid to explode full or spill over very easily, have to draw excessive waste liquid through catheter or oil this moment, this kind of operating efficiency is low, and also there is safe risk. Generally, the industrial devices for checking the liquid level position to prevent overflow mostly relate to electronic sensing devices, while the waste liquid in the chemical and pharmaceutical industry has complex compositions, most of which contain organic solvents with flash points lower than 10 ℃, and the volatile organic solvents have great safety risks when encountering energized electronic devices, which may cause combustion and explosion risks, so that the overflow prevention devices of the organic waste liquid storage device are not suitable for devices of the type which are provided with electronic circuits and need to be energized.

Therefore, there is a great need in the art for a waste overflow prevention device that does not involve electronic circuitry.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides the waste liquid overflow prevention device which does not relate to electrifying devices such as an electronic circuit and the like, can monitor the position of waste liquid to prevent the waste liquid from overflowing, reduces environmental pollution and ensures the personal safety of operators.

The technical scheme adopted by the invention is that the waste liquid overflow prevention device is characterized by comprising a waste liquid overflow detection device, an overflow waste liquid temporary storage device, a pressure control device and a connecting pipe, wherein the waste liquid overflow detection device is detachably connected with one side of the pressure control device through the connecting pipe, and the overflow waste liquid temporary storage device is detachably connected with the other side of the pressure control device.

It can be understood that before the waste liquid is poured into to waste liquid storage device, predetermine the height that the waste liquid spills over detection device earlier, rethread pressure control device adjusts the inside that the waste liquid of preventing spills over the device is negative pressure state, then, begins to pour the waste liquid into in the waste liquid storage device, and when the waste liquid storage device liquid level exceeded predetermined height, the waste liquid spilled over detection device and can send warning sound. If speed is too fast when pouring the waste liquid into, under the device negative pressure effect, partial waste liquid can be inhaled, reachs and stays in spilling over waste liquid temporary storage device through connecting, sees the waste liquid that spills over, also can know the waste liquid and arrive predetermined height, plays the early warning effect.

Preferably, the waste liquid overflow detection device comprises a floating ball, a valve rod, a pneumatic reed, a piston, a valve body, a spring, a first baffle plate and a second baffle plate, wherein the bottom end of the valve rod is fixedly connected with the floating ball, the upper end of the valve rod is fixedly connected with the lower end of the piston, the upper end of the piston is fixedly connected with the lower end of the spring, the upper end of the spring is fixedly connected with the first baffle plate fixedly connected with the valve body, the second baffle plate is vertically connected with the first baffle plate and tightly attached to the right side of the piston, an opening is formed in the right side of the joint of the first baffle plate and the second baffle plate, and an opening is formed in the parallel position of the lower end.

It can be understood that, under the normal condition, when the waste liquid did not contact the floater and overflowed the waste liquid temporary storage device and be the closed condition, the waste liquid overflowed detection device's valve body internal piston, pull rod and second baffle and overflowed the space of waste liquid temporary storage device, pressure control device cavity, connecting pipe structure and belonged to airtight state.

Preferably, the pneumatic reed is arranged at the position of an air inlet at the lower left of the valve body.

It can be understood that when the liquid level of the waste liquid storage device exceeds the preset height, the floating ball floats, the piston moves upwards, the passage in the valve body is opened, and a large amount of air enters through the opening at the position of the pneumatic reed due to the negative pressure in the device, and the pneumatic reed can generate a buzzer when the air enters in a large amount, so that the warning effect is achieved.

Preferably, the waste liquid overflow detection device further comprises a telescopic rod and a nut, wherein the telescopic rod is fixed on the connecting pipe through the nut.

Can understand, before pouring the waste liquid into waste liquid storage device again, can set for earlier the height of ball-cock assembly apart from waste liquid storage device mouth through telescopic link and nut, set up the early warning liquid level according to the waste liquid storage device of difference is nimble.

Preferably, the overflow waste liquid temporary storage device comprises an overflow liquid storage tank and a one-way valve.

It can be understood that if the speed is too fast when pouring the waste liquid, the liquid level has covered the opening of pneumatic reed department, and under the device negative pressure effect, partial waste liquid can be inhaled, arrives and stays in the overflow liquid holding vessel through the U-shaped return bend, should stop immediately at this moment pouring liquid, then slowly opens the valve that overflows waste liquid temporary storage device and emit the waste liquid.

Preferably, the connecting pipe is a U-shaped elbow.

Preferably, a handle is arranged above the U-shaped elbow.

It can be understood that the device for preventing the waste liquid from overflowing plays a role in fixing the waste liquid storage device between the opening of the waste liquid storage device and the outer wall of the waste liquid storage device through the U-shaped bent pipe, and meanwhile, a handle can be arranged above the U-shaped bent pipe, so that the device is conveniently fixed on a wall.

Preferably, the pressure control device comprises a cylinder barrel, a spring, a piston, a pull rod, a negative pressure box, a cavity, a spring valve and an access hole, wherein the spring is arranged at one end in the cylinder barrel, the piston is further arranged in the cylinder barrel, one end of the piston is connected with the pull rod, one end of the outer portion of the cylinder barrel is connected with one end of the negative pressure box, the other end of the negative pressure box is connected with the cavity, the spring valve is arranged on one side, close to the negative pressure box, in the cavity, and the access hole is arranged on one side, far away from the negative pressure box, of the.

It can be understood that put into the waste liquid storage device entry with the device floater and valve body part, prevent that the waste liquid from spilling over the device and just block between waste liquid storage device opening and waste liquid storage device outer wall through the U-shaped return bend, close spill over the one-way valve of waste liquid temporary storage device, through pressure control device's pull rod is the pull repeatedly, causes inside, the spill liquid holding vessel of connecting the return bend and negative-pressure tank to present the negative pressure state. And then the waste liquid is poured into the waste liquid storage device.

Preferably, two interfaces are arranged at the upper end and the lower end of the cavity and are connected with the overflowing waste liquid temporary storage device and the connecting pipe.

It can be understood that the interface with spill over waste liquid temporary storage device and connecting pipe and link to each other the back and need pass through fixing device fixed to prevent spilling over waste liquid temporary storage device and connecting pipe and drop from the interface.

Preferably, the interfaces arranged at the upper end and the lower end of the cavity are detachable joints.

The waste liquid overflow prevention device is simple to operate, can be used for all waste liquid storage devices, can flexibly set the early warning liquid level through the telescopic rod, can monitor the position of waste liquid to prevent the waste liquid from overflowing, reduces environmental pollution and ensures the personal safety of operators.

Drawings

FIG. 1 is a schematic side view of a device for preventing waste liquid from overflowing

FIG. 2 is a comparison diagram of the waste liquid overflow detection device before and after the liquid level of the waste liquid exceeds the preset height

FIG. 3 is a schematic diagram of the whole structure of the waste liquid overflow preventing device installed on the waste liquid barrel, and the reference numerals are used for explaining: 1. a floating ball; 2. a valve stem; 3. a pneumatic reed; 4. a piston; 5. a valve body; 6. a spring; 7. a first baffle plate; 8. a nut; 9. a telescopic rod; 10. a second baffle; 11. a handle; 12, a U-bend; 13. a detachable joint; 14. an access hole; 15. a cavity; 16. a detachable joint; 17. an overflow storage tank; 18. a one-way valve; 19. a spring valve; 20. a negative pressure tank; 21. a spring; 22. a cylinder barrel; 23. a piston; 24. a pull rod.

Detailed Description

To facilitate understanding, the present application will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the application are shown. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in figure 1, the device for preventing the waste liquid from overflowing comprises a waste liquid overflow detection device, an overflow waste liquid temporary storage device, a pressure control device and a U-shaped bent pipe. The waste liquid overflow detection device comprises a floating ball 1, a valve rod 2, a pneumatic reed 3, a piston 4, a valve body 5, a spring 6, a first baffle 7 and a second baffle 10, wherein the bottom end of the valve rod 2 is fixedly connected with the floating ball 1, the upper end of the valve rod 2 is fixedly connected with the lower end of the piston 4, the upper end of the piston 4 is fixedly connected with the lower end of the spring 6, the upper end of the spring 6 is fixedly connected with the first baffle 7 fixedly connected with the valve body 5, the second baffle 10 is vertically connected with the first baffle 7 and tightly attached to the right side of the piston 4, an opening is formed in the right side of the joint of the first baffle 7 and the second baffle 10, and an opening is formed in the parallel position of the lower end of the second baffle 10 and the bottom of the; the pneumatic reed 3 is arranged at the air inlet position at the lower left of the valve body 5; the waste liquid overflow detection device also comprises an expansion link 9 and a nut 8, wherein the expansion link 9 is fixed on the U-shaped elbow 12 through the nut 8; a handle 11 is arranged above the U-shaped bent pipe 12; the overflow waste liquid temporary storage device comprises an overflow liquid storage tank 17 and a one-way valve 18; the pressure control device comprises a cylinder barrel 22, a spring 21, a piston 23, a pull rod 24, a negative pressure box 20, a cavity 15, a spring valve 19 and an access hole 14, wherein the spring 21 is arranged at one end in the cylinder barrel 22, the piston 23 is also arranged in the cylinder barrel, one end of the piston 23 is connected with the pull rod 24, one end of the outer part of the cylinder barrel 22 is connected with one end of the negative pressure box 20, the other end of the negative pressure box 20 is connected with one cavity 15, the spring valve 19 is arranged at one side, close to the negative pressure box 20, in the cavity 15, and the access hole 14 is arranged at one side, far away from the negative pressure box 20, of; two detachable joints 13 and 16 are arranged at the upper end and the lower end of the cavity 15 and are connected with an overflow waste liquid temporary storage device and the U-shaped bent pipe 12.

It can be understood that before pouring the waste liquid into waste liquid storage device again, set for earlier through telescopic link 9 and nut 8 the height of ball-cock assembly apart from waste liquid storage device mouth, rethread U-shaped return bend 12 card plays a fixed action between waste liquid storage device opening and waste liquid storage device outer wall, sets up handle 11 simultaneously in U-shaped return bend 12 top, and is convenient with the device is fixed on the wall.

It can be understood that when the waste liquid overflow preventing device is installed, the one-way valve 18 of the overflow waste liquid temporary storage device is closed, and the pull rod 24 of the pressure control device is repeatedly pulled, so that the inside of the U-shaped bent pipe 12, the overflow liquid storage tank 17 and the negative pressure tank 20 are in a negative pressure state.

It can be understood that, after the waste liquid is added into the waste liquid storage device, when the liquid level of the waste liquid storage device exceeds the preset height, the floating ball 1 floats, the piston 4 moves upwards, a passage in the valve body is opened as shown in the arrow direction in fig. 2, and a large amount of air enters through the opening at the pneumatic reed 3 due to the negative pressure in the device, and the pneumatic reed 3 can generate a buzzer when the air enters in a large amount, so that the warning effect is achieved.

It can be understood that if the speed is too fast when the waste liquid is poured, the liquid surface covers the opening at the pneumatic reed 3, and under the negative pressure of the device, part of the waste liquid can be sucked, and reaches and stays in the overflow liquid storage tank 17 through the U-shaped bent pipe 12, at this moment, the pouring of the liquid should be stopped immediately, a small amount of waste liquid in the overflow liquid storage tank 17 can be discharged through the one-way valve 18 after the waste liquid pouring process is completed, and at this moment, the inside of the device is recovered to the normal pressure state.

The above-mentioned embodiments only express the embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a prevent waste liquid and spill over device, its characterized in that includes that the waste liquid spills over detection device, spills over waste liquid temporary storage device, pressure control device and connecting pipe, the waste liquid spills over detection device and can dismantle through the connecting pipe with one side of pressure control device and be connected, the opposite side that spills over waste liquid temporary storage device and pressure control device can dismantle and be connected.

2. The device of claim 1, wherein the device for detecting the overflow of waste liquid comprises a floating ball, a valve rod, a pneumatic reed, a piston, a valve body, a spring, a first baffle plate and a second baffle plate, wherein the floating ball is fixedly connected to the bottom end of the valve rod, the upper end of the valve rod is fixedly connected to the lower end of the piston, the upper end of the piston is fixedly connected to the lower end of the spring, the upper end of the spring is fixedly connected to the first baffle plate fixedly connected to the valve body, the second baffle plate is perpendicularly connected to the first baffle plate and tightly attached to the right side of the piston, an opening is formed in the right side of the joint of the first baffle plate and the second baffle plate, and an opening is formed in the parallel of the lower end of the second.

3. The device for preventing the overflow of waste liquid as claimed in claim 2, wherein said pneumatic reed is disposed at the position of the air inlet at the lower left of the valve body.

4. The device for preventing the overflow of waste liquid as claimed in claim 2 or 3, further comprising a telescopic rod and a nut, wherein the telescopic rod is fixed on the connecting tube by the nut.

5. The device of claim 1, wherein the temporary overflow waste liquid storage device comprises an overflow storage tank and a one-way valve.

6. The device for preventing liquid waste from overflowing of claim 1, wherein the connecting pipe is a U-shaped bent pipe.

7. The device for preventing the overflow of waste liquid as claimed in claim 6, wherein a handle is disposed above the U-shaped elbow.

8. The device for preventing the overflow of waste liquid as claimed in claim 1, wherein the pressure control device comprises a cylinder barrel, a spring, a piston, a pull rod, a negative pressure box, a cavity, a spring valve and an access opening, wherein the spring is arranged at one end inside the cylinder barrel, the piston is further arranged inside the cylinder barrel, one end of the piston is connected with the pull rod, one end of the outside of the cylinder barrel is connected with one end of the negative pressure box, the other end of the negative pressure box is connected with one cavity, the spring valve is arranged at one side inside the cavity close to the negative pressure box, and the access opening is arranged at one side of the cavity far away from the negative pressure box.

9. A device for preventing waste liquid from overflowing according to claim 8, wherein two connectors are provided at the upper and lower ends of the cavity for connecting the overflow waste liquid temporary storage device and the connecting pipe.

10. A device for preventing liquid waste from overflowing according to claim 9, wherein the upper and lower ends of the cavity are provided with connectors which can be detached.