Anti-explosion negative pressure material suction device

Abstract

The utility model relates to the technical field of negative pressure material suction devices, and discloses an anti-explosion negative pressure material suction device which comprises a storage box, the top of the storage box is fixedly connected with a treatment bin, the surface of the treatment bin is provided with a level gage, the bottom of the treatment bin is fixedly connected with a discharge port, and the surface of the discharge port is provided with a discharge valve. According to the anti-explosion negative-pressure material suction device, through the arrangement of the material suction mechanism, the roots vacuum pump, the level gage and the discharge valve, when the device is used, negative pressure is generated in the treatment bin through the roots vacuum pump, and external materials can be sucked into the treatment bin through a hose in cooperation with a communicated material suction head on one side; the materials can be accumulated near the discharging port due to gravity, the capacity of the materials can be monitored in real time in cooperation with the material level indicator installed at the top of the discharging port, when the materials exceed a preset value, the discharging valve installed on the surface of the discharging port is controlled to be opened, the automatic discharging effect can be achieved, and the working efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure material suction devices, and particularly relates to an explosion-proof negative pressure material suction device. Background Art

[0002] An explosion-proof negative pressure material suction device is a device specifically designed to safely transport materials in flammable and explosive environments. This device usually uses a vacuum pump to generate negative pressure and transports materials from one location to another through pipelines. The whole process is carried out in a closed state to reduce dust leakage and prevent static electricity accumulation, thus avoiding possible sparks and explosions. The explosion-proof negative pressure material suction device is particularly suitable for the chemical industry because flammable and explosive materials are often involved in chemical production. The explosion-proof performance of this device can ensure production safety.

[0003] The existing negative pressure material suction devices lack a protection pressure and material full protection system, which can prevent the system from overpressure and thus protect the equipment from damage. Therefore, an explosion-proof negative pressure material suction device is proposed.

[0004] Currently, the explosion-proof negative pressure material suction device has the following disadvantages in the market: 1. When in use, it is not easy to detect the capacity of the collected materials and realize the function of automatic discharging; 2. When in use, it is not easy to monitor the pressure inside the equipment to ensure that the pressure is within the normal range and avoid damage to the equipment due to excessive pressure inside the equipment.

[0005] Therefore, it is very necessary to invent an explosion-proof negative pressure material suction device to solve the above problems. Summary of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] The technical problem solved by the utility model is to provide an explosion-proof negative pressure material suction device with high practicability, which can be operated simply and has a relatively simple structure, and solves the problems of detecting the capacity of the collected materials and monitoring the pressure inside the equipment mentioned in the above background art.

[0008] (2) Technical Solutions

[0009] To achieve the above object, the present utility model is realized through the following technical solutions: An explosion-proof negative pressure material suction device includes a storage tank, a processing chamber is fixedly connected to the top of the storage tank, a level gauge is installed on the surface of the processing chamber, a discharge port is fixedly connected to the bottom of the processing chamber, a discharge valve is installed on the surface of the discharge port, a material suction mechanism is fixedly connected to one side of the processing chamber, the material suction mechanism includes a connecting pipe, a flexible pipe and a suction head, a circulation pipe is communicated with the left side of the processing chamber, a shunt pipe is communicated with the bottom of the circulation pipe, a Roots vacuum pump is communicated with the bottom of the shunt pipe, and a pressure detection mechanism is installed on the surface of the shunt pipe, the pressure detection mechanism includes a pressure gauge, a controller, a release valve and an alarm lamp.

[0010] As a further scheme of the present utility model, the connecting pipe is fixedly connected to one side of the processing chamber, a flexible pipe is threadedly connected to one side of the connecting pipe, and a suction head is fixedly connected to one side of the flexible pipe, and the suction head is convenient for conveying materials.

[0011] As a further scheme of the present utility model, the pressure gauge is installed on the surface of the shunt pipe, one side of the pressure gauge is electrically connected to the controller through a power cord, one side of the controller is electrically connected to the release valve through a power cord, and the other side of the controller is electrically connected to the alarm lamp through a power cord, and the alarm lamp is convenient for timely reminding the staff.

[0012] As a further scheme of the present utility model, a sealing cover is threadedly connected to the top of the processing chamber, and anti-slip grooves are formed on the surface of the sealing cover, and the sealing cover is convenient for improving the sealing performance.

[0013] As a further scheme of the present utility model, a lifting ring is fixedly connected to the edge of one side of the top surface of the storage tank, and a lifting hole is formed on the surface of the lifting ring, and the lifting ring is convenient for handling the equipment.

[0014] As a further scheme of the present utility model, a sealing door is hinged to the surface of the storage tank through a hinge, and a handle is fixedly connected to the surface of the sealing door, and the handle is convenient for opening the sealing door.

[0015] As a further scheme of the present utility model, four universal wheels are fixedly connected to the bottom of the storage tank in a rectangular array, and a brake pad is installed inside the universal wheel, and the brake pad is convenient for braking.

[0016] (III) Beneficial effects

[0017] The present utility model provides an explosion-proof negative pressure material suction device, which has the following beneficial effects:

[0018] 1. The explosion-proof negative pressure material suction device, through the settings of the material suction mechanism, Roots vacuum pump, level gauge, and discharge valve, when the equipment is in use, utilizes the Roots vacuum pump to generate negative pressure inside the processing chamber. Cooperating with the suction head connected on one side, it can suck external materials into the processing chamber through a hose. The materials will accumulate near the discharge port due to gravity. And cooperating with the level gauge installed at the top of the discharge port, it can monitor the capacity of the materials in real time. When the materials exceed the preset value, the discharge valve installed on the surface of the discharge port is controlled to open, achieving the effect of automatic discharging and improving the working efficiency of the equipment.

[0019] 2. The explosion-proof negative pressure material suction device, through the setting of the pressure detection mechanism, when the equipment is in use, the pressure gauge installed on the surface of the shunt pipe can detect the internal pressure of the equipment. When the pressure exceeds the preset value, it will transmit a signal to the controller on one side, and then the controller controls the release valve to open, forcibly stopping the material suction and simultaneously giving an alarm to timely remind the operator to unload the materials or troubleshoot faults. When the pressure and material level return to normal, the release valve is closed and the material suction continues, thus achieving the effect of real-time monitoring of the internal pressure of the equipment and avoiding equipment damage caused by excessive internal pressure of the equipment resulting in an explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a schematic diagram of the structure of the pressure detection mechanism of the present utility model;

[0022] Figure 3 is a schematic diagram of the structure of the material suction mechanism of the present utility model;

[0023] Figure 4 is a schematic diagram of the structure of the storage box of the present utility model.

[0024] In the figure: 1. Storage box; 2. Processing chamber; 3. Level gauge; 4. Discharge port; 5. Discharge valve; 6. Material suction mechanism; 601. Connecting pipe; 602. Hose; 603. Suction head; 7. Flow pipe; 8. Shunt pipe; 9. Roots vacuum pump; 10. Pressure detection mechanism; 1001. Pressure gauge; 1002. Controller; 1003. Release valve; 1004. Alarm light; 11. Sealing cover; 12. Lifting ring; 13. Sealing door; 14. Handle; 15. Universal wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: an explosion-proof negative pressure material suction device, which includes a storage tank 1. A processing bin 2 is fixedly connected to the top of the storage tank 1. A level gauge 3 is installed on the surface of the processing bin 2. A discharge port 4 is fixedly connected to the bottom of the processing bin 2. A discharge valve 5 is installed on the surface of the discharge port 4. A material suction mechanism 6 is fixedly connected to one side of the processing bin 2. Through the settings of the material suction mechanism 6, a Roots vacuum pump 9, the level gauge 3, and the discharge valve 5, the effect of automatic discharging can be achieved, improving the working efficiency of the equipment. The material suction mechanism 6 includes a connecting pipe 601, a flexible pipe 602, and a suction head 603. A flow pipe 7 is communicated with the left side of the processing bin 2. A shunt pipe 8 is communicated with the bottom of the flow pipe 7. A Roots vacuum pump 9 is communicated with the bottom of the shunt pipe 8. A pressure detection mechanism 10 is installed on the surface of the shunt pipe 8. Through the setting of the pressure detection mechanism 10, when the equipment is in use, the pressure gauge 1001 installed on the surface of the shunt pipe 8 can detect the internal pressure of the equipment, thereby achieving the effect of real-time monitoring of the internal pressure of the equipment and avoiding explosion and equipment damage caused by excessive internal pressure of the equipment. The pressure detection mechanism 10 includes a pressure gauge 1001, a controller 1002, a relief valve 1003, and an alarm lamp 1004;

[0027] Please refer to Figure 3 , the connecting pipe 601 is fixedly connected to one side of the processing bin 2. A flexible pipe 602 is threadedly connected to one side of the connecting pipe 601. A suction head 603 is fixedly connected to one side of the flexible pipe 602. The suction head 603 is convenient for transporting materials;

[0028] Please refer to Figure 2 , the pressure gauge 1001 is installed on the surface of the shunt pipe 8. One side of the pressure gauge 1001 is electrically connected to a controller 1002 through a power cord. One side of the controller 1002 is electrically connected to a relief valve 1003 through a power cord. The other side of the controller 1002 is electrically connected to an alarm lamp 1004 through a power cord. The alarm lamp 1004 is convenient for timely reminding the staff;

[0029] Please refer to Figure 3 , a sealing cover 11 is threadedly connected to the top of the processing bin 2. Anti-slip grooves are provided on the surface of the sealing cover 11. The sealing cover 11 is convenient for improving the sealing performance;

[0030] Please refer to Figure 4 , a lifting ring 12 is fixedly connected to the edge of one side of the top surface of the storage tank 1. A lifting hole is provided on the surface of the lifting ring 12. The lifting ring 12 is convenient for handling the equipment;

[0031] Please refer to Figure 4 , a sealing door 13 is hinged to the surface of the storage tank 1 through a hinge. A handle 14 is fixedly connected to the surface of the sealing door 13. The handle 14 is convenient for opening the sealing door 13;

[0032] Please refer to Figure 4 , four universal wheels 15 are fixedly connected to the bottom of the storage box 1 in a rectangular array. A brake pad is installed inside the universal wheel 15, and the brake pad facilitates braking.

[0033] In the present utility model, the working steps of the device are as follows:

[0034] The first step: When the device is in use, the Roots vacuum pump 9 is used to generate negative pressure inside the processing chamber 2. Cooperating with the suction head 603 connected to one side, external materials can be sucked into the processing chamber 2 through the hose 602. The materials will accumulate near the discharge port 4 due to gravity. And cooperating with the level gauge 3 installed at the top of the discharge port 4, the capacity of the materials can be monitored in real time. When the materials exceed the preset value, the discharge valve 5 installed on the surface of the discharge port 4 is controlled to open;

[0035] The second step: When the pressure exceeds the preset value, a signal is transmitted to the controller 1002 on one side, and then the controller 1002 controls the release valve 1003 to open, forcibly stopping the suction of materials. At the same time, an alarm is issued to timely remind the operator to unload the materials or troubleshoot the faults. When the pressure and the material level return to normal, the release valve 1003 is closed and the suction of materials continues.

[0036] It should be noted that the device structure and the drawings of the present utility model mainly describe the principle of the present utility model. On the basis of the technical design principle, the settings of the power mechanism, power supply system, control system, etc. of the device are not fully described clearly. And on the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific details of its power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art;

[0037] The standard parts used therein can all be purchased from the market, and can also be customized according to the records of the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0038] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof negative pressure material suction device, including a storage tank (1), characterized in that: The top of the storage box (1) is fixedly connected to a processing bin (2). A level gauge (3) is installed on the surface of the processing bin (2). The bottom of the processing bin (2) is fixedly connected to a discharge port (4). A discharge valve (5) is installed on the surface of the discharge port (4). One side of the processing bin (2) is fixedly connected to a material suction mechanism (6). The material suction mechanism (6) includes a connecting pipe (601), a flexible pipe (602), and a suction head (603). A circulation pipe (7) communicates with the left side of the processing bin (2). The bottom of the circulation pipe (7) communicates with a shunt pipe (8). The bottom of the shunt pipe (8) communicates with a Roots vacuum pump (9). A pressure detection mechanism (10) is installed on the surface of the shunt pipe (8). The pressure detection mechanism (10) includes a pressure gauge (1001), a controller (1002), a release valve (1003), and an alarm lamp (1004).

2. The explosion-proof negative pressure material suction device according to claim 1, characterized in that: The connecting pipe (601) is fixedly connected to one side of the processing bin (2). One side of the connecting pipe (601) is threadedly connected to a flexible pipe (602). One side of the flexible pipe (602) is fixedly connected to a suction head (603).

3. An explosion-proof negative pressure material suction device according to claim 1, characterized in that: The pressure gauge (1001) is installed on the surface of the shunt pipe (8). One side of the pressure gauge (1001) is electrically connected to a controller (1002) through a power cord. One side of the controller (1002) is electrically connected to a release valve (1003) through a power cord. The other side of the controller (1002) is electrically connected to an alarm lamp (1004) through a power cord.

4. An explosion-proof negative pressure material suction device according to claim 1, characterized in that: The top of the processing bin (2) is threadedly connected to a sealing cover (11). Anti-slip grooves are provided on the surface of the sealing cover (11).

5. An explosion-proof negative pressure material suction device according to claim 1, characterized in that: A lifting ring (12) is fixedly connected to the edge of one side of the top surface of the storage box (1). A lifting hole is provided on the surface of the lifting ring (12).

6. An explosion-proof negative pressure material suction device according to claim 1, characterized in that: A sealing door (13) is hinged to the surface of the storage box (1) through a hinge. A handle (14) is fixedly connected to the surface of the sealing door (13).

7. An explosion-proof negative pressure material suction device according to claim 1, characterized in that: Four universal wheels (15) are fixedly connected to the bottom of the storage box (1) in a rectangular array. A brake pad is installed inside the universal wheels (15).

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