CN112524271A - Temperature-resistant air bag sealing garbage partition device - Google Patents
Temperature-resistant air bag sealing garbage partition device Download PDFInfo
- Publication number
- CN112524271A CN112524271A CN202011503530.XA CN202011503530A CN112524271A CN 112524271 A CN112524271 A CN 112524271A CN 202011503530 A CN202011503530 A CN 202011503530A CN 112524271 A CN112524271 A CN 112524271A
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- Prior art keywords
- air bag
- sealing
- shell
- temperature
- detachable
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- 238000007789 sealing Methods 0.000 title claims abstract description 70
- 238000005192 partition Methods 0.000 title claims abstract description 39
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 8
- 238000010926 purge Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- -1 Polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000010806 kitchen waste Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 101100326791 Caenorhabditis elegans cap-2 gene Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000009283 thermal hydrolysis Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
The invention discloses a temperature-resistant air bag sealing garbage partition device which comprises a shell, wherein a rear end cover is arranged on the rear end face of the shell through screws, a circular bidirectional sealing seat is arranged at one end, close to the rear end cover, of the shell, the bidirectional sealing seat comprises a detachable outlet part, a detachable inlet part, two PTFE (Polytetrafluoroethylene) sealing rings and an air bag, the air bag is arranged on the two PTFE sealing rings, the PTFE sealing rings and the air bag are clamped by the detachable outlet part and the detachable inlet part, a partition plate is further sleeved in the shell, the front end of the partition plate is locked on the shell through a front end cover, a transmission part is fixed in the middle of the front end cover through screws, a transmission rod is arranged on the front end face of the transmission part in a threaded mode. The invention adopts the air bag type sealing mode, when the partition board is opened and closed, the air bag is in a state of air loss and is separated from the partition board, no friction is generated, and the service lives of the partition board and the air bag can be well protected.
Description
Technical Field
The invention relates to a partition device, in particular to a temperature-resistant air bag sealing garbage partition device.
Background
The kitchen waste/kitchen waste system solves the problem that thermal hydrolysis, squeezing pulping and anaerobic fermentation are coupled, is particularly suitable for treating kitchen waste (kitchen waste) under the condition of unsatisfactory waste classification at present, can realize reduction of more than 80%, and can realize reduction of more than 95% of total amount if combined with incineration treatment, thereby greatly reducing landfill amount and prolonging the service life of a landfill. Meanwhile, a secondary pollution control scheme of biogas residues, biogas and odor is matched, so that the win-win situation of economic benefit and social benefit is realized.
The operation process of the system is as follows:
1. closing the inlet and outlet devices when the tank in the equipment is empty, adding steam to 2-3bar, and confirming that no leakage exists in the equipment;
2. feeding the material from the top of the charging bucket after pressure relief, closing an inlet device, adding steam to 5-8bar, and maintaining the pressure for about 1 hour;
3. releasing the pressure of the steam to below 1bar, quickly opening an outlet device to discharge the material (not more than 5 seconds), and quickly discharging the material;
4. after emptying the materials in the equipment, closing the valve outlet device to finish a working process;
the operation process of the system requires temperature resistance to the partition devices of an inlet and an outlet, strict requirements are met for sealing and quick discharging, the existing conventional knife gate valve is sealed by adopting hard-to-hard metal contact sealing or soft metal-to-PTFE sealing, the hard-to-hard metal contact sealing mode cannot meet the requirement of zero leakage, the soft metal-to-PTFE sealing mode can achieve the sealing effect in the early stage, but the long-term friction between a sealing surface and a valve plate is large, the sealing part is damaged at last, and the sealing effect cannot be achieved.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a temperature-resistant air bag sealing waste partition device.
According to the technical scheme provided by the embodiment of the application, the temperature-resistant air bag sealing garbage partition device comprises a shell, wherein a rear end cover is arranged on the rear end surface of the shell through a screw, one end of the shell close to the rear end cover is provided with a circular bidirectional sealing seat, the bidirectional sealing seat comprises a detachable outlet piece, a detachable inlet piece, two PTFE sealing rings and an air bag, the air bag is arranged above the two PTFE sealing rings, the detachable outlet piece and the detachable inlet piece clamp the PTFE sealing rings and the air bag, a clapboard is sleeved in the shell, the front end of the clapboard is locked on the shell through a front end cover, the middle part of front end housing is passed through the screw fixation and is had the driving medium, a transfer line is installed through the threaded mode to the preceding terminal surface of driving medium, the transfer line passes through the transfer line sealing member and is connected with the cylinder.
In the present invention, the housing is one of grid structures.
In the invention, one end of the clapboard close to the bidirectional sealing seat is provided with a notch matched with the bidirectional sealing seat.
In the present invention, the air bag is closely attached to the detachable inlet member.
In the invention, the central points of the transmission rod, the transmission part shell and the bidirectional sealing seat are positioned on the same straight line.
In the invention, the air bag is made of a material capable of bearing 6Mpa pressure at 250 ℃.
In the invention, the upper surface of the shell is provided with a purging interface.
In the invention, the metal material part of the device is completely made of stainless steel SS 304.
To sum up, the beneficial effect of this application: by adopting the air bag type sealing mode, when the partition plate is opened and closed, the air bag is in a gas loss state and is separated from the partition plate, no friction is generated, the service lives of the partition plate and the air bag can be well protected, and the long-term zero-leakage sealing requirement is met.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of the expanded structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention.
Reference numbers in the figures: a shell-1; a rear end cap-2; a bidirectional sealing seat-3; a separator-4; front end cover-5; a transmission part-6; a transmission rod-7; a transmission rod sealing part-8; a cylinder-9; purge port-10; detachable outlet member-3.1; detachable inlet piece-3.2; PTFE seal ring-3.3; air bag-3.4.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-3, a temperature-resistant air bag sealing garbage partition device comprises a housing 1, a rear end cover 2 is mounted on a rear end face of the housing 1 through screws, a circular bidirectional sealing seat 3 is mounted at one end of the housing 1 close to the rear end cover 2, the bidirectional sealing seat 3 comprises a detachable outlet member 3.1, a detachable inlet member 3.2, two PTFE sealing rings 3.3 and an air bag 3.4, the air bag 3.4 is mounted on the two PTFE sealing rings 3.3, the detachable outlet member 3.1 and the detachable inlet member 3.2 clamp the PTFE sealing rings 3.3 and the air bag 3.4, a partition plate 4 is further sleeved in the housing 1, the front end of the partition plate 4 is locked on the housing 1 through a front end cover 5, a transmission member 6 is fixed in the middle of the front end cover 5 through screws, a transmission rod 7 is mounted on the front end face of the transmission member 6 through a screw thread, the drive rod 7 is connected to a cylinder 9 via a drive rod seal 8. And one end of the partition plate 4 close to the bidirectional sealing seat 3 is provided with a notch matched with the bidirectional sealing seat 3. The air bag 3.4 is tightly attached to the detachable inlet piece 3.2. The central points of the transmission rod 7, the transmission piece 6 shell 1 and the bidirectional sealing seat 3 are positioned on the same straight line. The air bag 3.4 is made of a material which can bear the pressure of 1.6Mpa at the temperature of 250 ℃. A purging interface 10 is arranged on the upper surface of the shell 1. The metal material of the device is completely stainless steel SS 304.
The device adopts a double-acting straight stroke cylinder 9 to directly drive the partition plate 4 to translate, so as to realize the opening and closing of the device; the partition plate 4 is translated in the cavity of the shell 1, and is supported by the bidirectional sealing seat 3 when the closed state is translated towards the opening direction; after a certain translation travel, the partition 4 is supported on both radial sides by the guide grooves of the housing 1.
The structural design of the bidirectional sealing seat 3 adopts two different sealing mechanisms in the forward direction and the reverse direction, the forward direction is detachable and is beneficial to the replacement of the air bag 3.4 and the PTFE sealing ring 3.3 combined structure, the air bag 3.4 is enabled to form axial displacement through the inflation and deflation of the air bag 3.4, the variation generated when the partition plate 4 is translated is compensated, through the compensation of the variation, the prepressing force of the forward sealing of the partition plate 4 is ensured, the sealing is effectively ensured, the opening and closing force of the partition plate is reduced, the friction between the air bag 3.4 and the partition plate 4 is avoided, the service life of the air bag 3.4 is prolonged, the detachable structure is also adopted in the reverse direction, and the PTFE sealing ring 3.3 is convenient. The air bag 3.4 is made of a material (temperature-resistant silicon rubber) capable of bearing 1.6Mpa pressure at the temperature of 250 ℃.
In order to prevent the medium from depositing in the middle chamber, a purging interface 10 and a medium removing port (opening a sealing cover) are designed at the upper part of the shell 1; the partition plate 4 is suspended and connected by a thread sleeve, and is adjustable and convenient to replace. The device is made of stainless steel SS304, and is corrosion-resistant and temperature-resistant. The partition plate 4 is thickened, precisely machined and polished, so that the resistance in opening and closing is reduced, and a tight sealing effect is ensured.
Detachable sealing end covers are designed at the front and the back of the shell 1, and if residual media exist in the inner cavity, the cleaning is convenient; the device has small feed inlet and large discharge outlet, is in a horn mouth shape, ensures smooth discharge and prevents medium from remaining in the shell 1.
Meanwhile, an external pneumatic actuating mechanism connected with the air cylinder 9 realizes double functions \ is additionally provided with a pneumatic accessory to enable the device to be quickly closed and opened; pressure sensors are respectively arranged on the air source of the air bag 4 and the medium pipeline, and the pressure of the air source can be controlled according to the pressure change of the pipeline, so that the pressure of the air source of the air bag 4 is ensured to be higher than the pressure of the pipeline by more than or equal to 0.3 MPa; and the cylinder 9 is set to be not operated under the pressure of the airbag 4.
Execution criteria
1. Designing and manufacturing: according to JB/T8691 standard;
2. structure length: according to the GB/T12221 specification;
3. the flange connection size is as follows: as specified by NB/T47023-2012;
4. and (3) testing and inspecting: according to the GB/T13927;
5. marking: according to the specification of GB/T12220.
Technical parameters
1. Designing pressure: 1.0 MPa;
2. sealing test: 1.1;
3. strength test pressure: 1.5 MPa;
4. design temperature: at 250 ℃ to obtain a mixture.
Table 1: comparison table of the device and conventional knife gate valve
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides a temperature resistant gasbag seals rubbish off device, includes casing (1), characterized by: the rear end face of the shell (1) is provided with a rear end cover (2) through a screw, one end of the shell (1) close to the rear end cover (2) is provided with a circular two-way sealing seat (3), the two-way sealing seat (3) comprises a detachable outlet part (3.1), a detachable inlet part (3.2), two PTFE sealing rings (3.3) and an air bag (3.4), the air bag (3.4) is installed on the two PTFE sealing rings (3.3), the detachable outlet part (3.1) and the detachable inlet part (3.2) are clamped on the PTFE sealing rings (3.3) and the air bag (3.4), the shell (1) is further internally sleeved with a partition plate (4), the front end of the partition plate (4) is locked on the shell (1) through a front end cover (5), the middle part of the front end cover (5) is fixedly provided with a transmission part (6) through a screw, the front end face of the transmission part (6) is provided with a transmission rod (7) through a screw thread, the transmission rod (7) is connected with the cylinder (9) through a transmission rod sealing piece (8).
2. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: the housing (1) is one of a grid structure.
3. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: one end of the partition plate (4) close to the bidirectional sealing seat (3) is provided with a notch matched with the bidirectional sealing seat (3).
4. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: the air bag (3.4) is tightly attached to the detachable inlet piece (3.2).
5. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: the center points of the transmission rod (7), the transmission part (6), the shell (1) and the bidirectional sealing seat (3) are positioned on the same straight line.
6. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: the air bag (3.4) is made of a material capable of bearing 1.6Mpa pressure at 250 ℃.
7. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: and a purging interface is arranged on the upper surface of the shell (1).
8. The temperature-resistant air bag sealing garbage partition device of claim 1, wherein: the metal material of the device is completely stainless steel SS 304.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503530.XA CN112524271A (en) | 2020-12-17 | 2020-12-17 | Temperature-resistant air bag sealing garbage partition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011503530.XA CN112524271A (en) | 2020-12-17 | 2020-12-17 | Temperature-resistant air bag sealing garbage partition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112524271A true CN112524271A (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011503530.XA Pending CN112524271A (en) | 2020-12-17 | 2020-12-17 | Temperature-resistant air bag sealing garbage partition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112524271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464672A (en) * | 2021-08-04 | 2021-10-01 | 凯瑞特阀业有限公司 | Self-expansion gate valve |
-
2020
- 2020-12-17 CN CN202011503530.XA patent/CN112524271A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464672A (en) * | 2021-08-04 | 2021-10-01 | 凯瑞特阀业有限公司 | Self-expansion gate valve |
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