CN221028299U - Negative pressure system of leaching system - Google Patents
Negative pressure system of leaching system Download PDFInfo
- Publication number
- CN221028299U CN221028299U CN202322027643.2U CN202322027643U CN221028299U CN 221028299 U CN221028299 U CN 221028299U CN 202322027643 U CN202322027643 U CN 202322027643U CN 221028299 U CN221028299 U CN 221028299U
- Authority
- CN
- China
- Prior art keywords
- valve
- explosion
- negative pressure
- gate valve
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002386 leaching Methods 0.000 title claims abstract description 16
- 238000004880 explosion Methods 0.000 claims description 3
- 230000005465 channeling Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model provides a negative pressure system of a leaching system, which comprises a leacher, a wet dreg scraper and a steam-off machine, wherein an explosion-proof pneumatic gate valve is arranged between the wet dreg scraper and the steam-off machine; the explosion-proof pneumatic gate valve comprises a valve cabinet, an air cylinder, a piston rod and a gate plate, wherein the air cylinder is arranged above the valve cabinet, and the piston rod and the gate plate are arranged in the valve cabinet; one end of the piston rod is connected with the cylinder, and the other end of the piston rod is connected with the flashboard; the cylinder drives the flashboard to move up and down through the piston rod. The utility model effectively eliminates the back channeling of the steam stripping gas and ensures the negative pressure of the system; on the basis of a conventional gate valve, the gate valve is fully sealed and improved, so that leakage is effectively avoided.
Description
Technical Field
The utility model relates to oil pressing and preheating equipment, in particular to a negative pressure system of a leaching system.
Background
In a start-up preheating link of a leaching workshop of an oil mill, a DT (differential pressure) steam-stripping machine is required to be started to directly use steam to preheat equipment, and because of the empty state of a wet dreg scraper machine, the steam can flow back to a leacher through the wet dreg scraper machine, so that the load of a tail gas system is high, the negative pressure of a leaching system cannot be ensured, once the leaching system is in positive pressure, the normal start-up requirement cannot be met, and meanwhile, the normal hexane leakage and explosion risk of the equipment exist.
Disclosure of utility model
The utility model provides a negative pressure system of a leaching system, which comprises a leacher, a wet dreg scraper and a steam-off machine, wherein an explosion-proof pneumatic gate valve is arranged between the wet dreg scraper and the steam-off machine;
The explosion-proof pneumatic gate valve comprises a valve cabinet, an air cylinder, a piston rod and a gate plate, wherein the air cylinder is arranged above the valve cabinet, and the piston rod and the gate plate are arranged in the valve cabinet; one end of the piston rod is connected with the cylinder, and the other end of the piston rod is connected with the flashboard; the cylinder drives the flashboard to move up and down through the piston rod.
Preferably, guide rails are arranged on two sides of the valve cabinet, two side edges of the flashboard are respectively arranged in the guide rails, and the flashboard moves up and down along the guide rails.
Preferably, a base is arranged at the bottom of the valve cabinet, and when the explosion-proof pneumatic gate valve is closed, the gate plate enters the base to realize closing.
Preferably, a high material level sensing device is arranged above the explosion-proof pneumatic gate valve.
Preferably, the flashboard switch is interlocked with the wet dreg scraper, and when the explosion-proof pneumatic flashboard valve is in a starting state, the wet dreg scraper is started; when the explosion-proof pneumatic gate valve is in a closed state, the wet dreg scraper is closed.
Preferably, the cylinder is provided with a switch in-place sensor.
The utility model has the beneficial effects that: the back channeling of the gas of the steam stripping machine is effectively stopped, and the negative pressure of the system is ensured; on the basis of a conventional gate valve, the gate valve is fully sealed and improved, so that leakage is effectively avoided.
Drawings
FIG. 1 is a schematic diagram of the overall system architecture of the present utility model;
FIG. 2 is a schematic diagram of an explosion-proof pneumatic gate valve;
FIG. 3 is a side view of an explosion proof pneumatic gate valve.
Detailed Description
The utility model provides a negative pressure system of a leaching system, which comprises a leacher 1, a wet dreg scraper machine 3 and a steam-off machine 4, wherein an explosion-proof pneumatic gate valve 2 is arranged between the wet dreg scraper machine 1 and the steam-off machine 3;
The explosion-proof pneumatic gate valve 2 comprises a valve cabinet 21, an air cylinder 22, a piston rod 23 and a gate plate 24, wherein the air cylinder 22 is arranged above the valve cabinet 32, the piston rod 23 and the gate plate 24 are arranged in the valve cabinet, one end of a screw rod is connected with the air cylinder, and the other end of the screw rod is connected with the gate plate; the cylinder drives the flashboard to move up and down through the piston rod.
Preferably, guide rails 25 are arranged on two sides of the valve cabinet, two sides of the flashboard are respectively arranged in the guide rails 25, and the flashboard moves up and down along the guide rails.
Preferably, a base 26 is arranged at the bottom of the valve cabinet, and when the explosion-proof pneumatic gate valve is closed, the gate plate enters the base to realize closing.
A window is arranged below the valve cabinet, and the flashboard moves downwards along the guide rail to reach the base, so that the window is closed; when the shutter moves upward along the guide rail, the window is opened.
An electromagnetic valve is arranged in the air cylinder, the direction of the air path is changed through the reversing of the electromagnetic valve, the piston of the air cylinder is pushed to drive the flashboard to reciprocate, the purpose of opening and closing the gate is achieved, wherein the electric components of the air cylinder are made of explosion-proof materials, the explosion-proof requirement of a leaching workshop is met,
Preferably, a high material level sensing device is arranged above the explosion-proof pneumatic gate valve. The high material level sensing device is additionally arranged at the position about 1 meter above the explosion-proof pneumatic gate valve, so that the system blocking caused by abnormal gate valve is prevented, and the high material level sensor can early warn in time and transmit an alarm signal to a computer in a central control room.
Preferably, the flashboard switch is interlocked with the wet dreg scraper, and when the explosion-proof pneumatic flashboard valve is in a starting state, the wet dreg scraper is started; when the explosion-proof pneumatic gate valve is in a closed state, the wet dreg scraper is closed. When the gate valve is in a closed state, the front wet dreg scraper cannot be started, so that system blockage is prevented; the back channeling of DT stripping gas is effectively avoided, and the negative pressure of the system is ensured; on the basis of a conventional gate valve, the gate valve is fully sealed and improved, so that leakage is effectively avoided. Specifically, an interlocking is additionally arranged in a workshop production process PLC system.
Preferably, the cylinder is provided with a switch in-place sensor. The switch in-place inductor is an on-off in-place magnetic inductor respectively, when the plugboard is on-off in place, after the cylinder stroke action, the magnetic inductor senses and lights up, a feedback signal is sent to a computer system for prompting, and the system is connected for interlocking, so that a high material level sensor and an observation mirror are added.
The utility model effectively eliminates the back channeling of the steam stripping gas and ensures the negative pressure of the system; on the basis of a conventional gate valve, the gate valve is fully sealed and improved, so that leakage is effectively avoided.
The utility model has convenient operation, is connected into a computer system and is remotely controlled; meanwhile, the sealing performance is good, the flashboard sealing piece is made of high-temperature-resistant corrosion-resistant polytetrafluoroethylene materials, and meanwhile, the flashboard valve is subjected to full sealing improvement; the utility model has high safety performance, increases the limit alarm of opening and closing the gate valve in place, can monitor the opening and closing states of the gate valve on line, and effectively prevents hidden trouble caused by the fact that the gate is not opened or closed in place.
Claims (6)
1. The negative pressure system of the leaching system comprises a leacher, a wet dreg scraper and a steam-stripping machine, and is characterized in that an explosion-proof pneumatic gate valve is arranged between the wet dreg scraper and the steam-stripping machine;
The explosion-proof pneumatic gate valve comprises a valve cabinet, an air cylinder, a piston rod and a gate plate, wherein the air cylinder is arranged above the valve cabinet, the piston rod and the gate plate are arranged in the valve cabinet, one end of a screw rod is connected with the air cylinder, and the other end of the screw rod is connected with the gate plate; the cylinder drives the flashboard to move up and down through the piston rod.
2. The negative pressure system of a leaching system according to claim 1, wherein guide rails are arranged on two sides of the valve cabinet, two sides of the flashboard are respectively arranged in the guide rails, and the flashboard moves up and down along the guide rails.
3. The negative pressure system of the leaching system according to claim 1, wherein a base is arranged at the bottom of the valve cabinet, and when the explosion-proof pneumatic gate valve is closed, the gate plate enters the base to realize the closing.
4. The negative pressure system of a leaching system according to claim 1, wherein a high level sensing device is provided above the explosion proof pneumatic gate valve.
5. The negative pressure system of a leaching system of claim 1, wherein a gate switch is interlocked with a wet pulp scraper, and when the explosion-proof pneumatic gate valve is in a start state, the wet pulp scraper is started; when the explosion-proof pneumatic gate valve is in a closed state, the wet dreg scraper is closed.
6. The negative pressure system of a leaching system according to claim 1, wherein the cylinder is provided with a switch in place sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027643.2U CN221028299U (en) | 2023-07-31 | 2023-07-31 | Negative pressure system of leaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027643.2U CN221028299U (en) | 2023-07-31 | 2023-07-31 | Negative pressure system of leaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221028299U true CN221028299U (en) | 2024-05-28 |
Family
ID=91172831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322027643.2U Active CN221028299U (en) | 2023-07-31 | 2023-07-31 | Negative pressure system of leaching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221028299U (en) |
-
2023
- 2023-07-31 CN CN202322027643.2U patent/CN221028299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110586624B (en) | Waste plastic recycling device | |
| CN221028299U (en) | Negative pressure system of leaching system | |
| CN105799201A (en) | Parallel independent metal scrap classifying and briquetting machine and hydraulic control system thereof | |
| CN202795076U (en) | Zipper steam ironing machine with automatic pressure stabilizing system | |
| CN207331145U (en) | A kind of air pressure cotton box control device applied to nonwoven industry | |
| CN109026845B (en) | Oil leakage detection and protection device for fan stationary blade adjusting hydraulic device | |
| CN202541907U (en) | Control circuit for vacuum packaging machine | |
| CN108826965A (en) | A kind of combined type feed system | |
| CN200989440Y (en) | Pressure container quick opening pneumatic safety linkage device | |
| CN204610906U (en) | A kind of pneumatic gate valve cut off for pipeline | |
| CN206590197U (en) | A kind of product packaging sack closer | |
| CN109357031A (en) | The Novel gate valve of gear driving | |
| CN207599738U (en) | Rotary kiln feeding seal structure | |
| CN207182064U (en) | The control drive device and system of a kind of garbage compression box | |
| CN2627177Y (en) | High duty sealed gate | |
| CN206907856U (en) | A kind of battery positive/negative-pressure box body device | |
| CN205715723U (en) | A kind of push-down push-pull valve | |
| CN201479477U (en) | Vertical automatic lifting seal door mechanism for PCB vacuum hot press | |
| CN206140800U (en) | Molding apparatus | |
| CN206812489U (en) | A kind of preseparator of waste paper briquetting device | |
| CN208766513U (en) | A kind of Novel detonator loose tube superpressure safety interlock | |
| CN204815848U (en) | Aluminium hydroxide micropowder ground paste conveying line's case that scars | |
| CN208381768U (en) | A kind of pipe protection pressure monitoring and alarm device | |
| CN203686310U (en) | Anti-blocking type dome valve air control device | |
| CN215761005U (en) | Remote control safety interlocking system for horizontal type clamp blind plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |