CN109737228B - Pressure release valve for industrial oil fume purifying equipment - Google Patents
Pressure release valve for industrial oil fume purifying equipment Download PDFInfo
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- CN109737228B CN109737228B CN201910092213.4A CN201910092213A CN109737228B CN 109737228 B CN109737228 B CN 109737228B CN 201910092213 A CN201910092213 A CN 201910092213A CN 109737228 B CN109737228 B CN 109737228B
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- seat
- valve
- connecting seat
- sealing ring
- connecting rod
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- 239000003921 oil Substances 0.000 title claims abstract description 42
- 239000003517 fume Substances 0.000 title claims description 30
- 239000000779 smoke Substances 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 41
- 238000000746 purification Methods 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 8
- 238000005352 clarification Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000001960 triggered effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The invention discloses a pressure release valve for industrial oil smoke purifying equipment, which comprises a valve seat and a valve cover, wherein a first connecting seat is arranged on the upper end face of the valve cover, a second connecting seat and a third connecting seat are arranged on the valve seat, the first connecting seat and the second connecting seat are rotationally connected with a connecting rod, one end of the connecting rod far away from the first connecting seat is rotationally connected with a tension spring, one end of the connecting rod far away from the tension spring is provided with a first clamping hook, the first clamping hook is connected with an actuator, the actuator is connected with a fusible metal sheet arranged in the valve seat, and when the interior of an oil smoke pipeline is on fire, the fusible metal sheet in the pressure release valve is burnt by a flame, and the actuator is triggered to open the valve cover, so that production equipment at two ends of the oil smoke pipeline is prevented from being burnt out when the interior of the oil smoke pipeline is on fire.
Description
Technical Field
The invention relates to the technical field of electrostatic purifying equipment, in particular to a pressure relief valve for industrial oil fume purifying equipment.
Background
At present, in order to exhaust gas to meet the environmental protection requirement, a large-scale production workshop is generally connected to a purification device in an exhaust channel of the production device, so that the exhaust gas is purified and dedusted by the purification device, and the like, and then the exhaust gas reaches the environmental protection requirement. The existing purification equipment is in sealing connection, and when fire is generated due to high exhaust temperature or other reasons, the purification equipment can cut off smoke circulation through a valve to prevent flames and smoke from spreading outwards. However, the existing purification equipment and the oil smoke pipeline for connection are not provided with a standby pressure relief valve, and when fire is generated at the oil smoke pipeline or the purification equipment, the fire can reversely spread to the production equipment to be burnt out; the air pressure in the pipeline can be increased, so that the smoke cannot be discharged.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a pressure release valve for industrial oil fume purifying equipment, which can prevent reverse burning of production equipment and bursting caused by overlarge air pressure when an oil fume pipeline generates flame.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a relief valve for industrial oil smoke clarification plant, includes the disk seat of establishing on the oil smoke pipeline and arranges the valve gap on the disk seat in, the valve gap up end is equipped with first connecting seat, is equipped with second connecting seat and third connecting seat on the disk seat, first connecting seat and second connecting seat rotate and are connected with the connecting rod, and the connecting rod is rotated in the one end of keeping away from first connecting seat and is connected with extension spring to extension spring's one end lock joint is on the third connecting seat, and the connecting rod is equipped with first trip in the one end of keeping away from extension spring, and first trip is connected with the executor to first trip and the second trip lock of executor, the side at the disk seat is fixed to the executor, the executor is connected with the fusible metal sheet, and the fusible metal sheet is arranged in inside the disk seat.
The pressure release valve for the industrial oil fume purifying equipment comprises two first connecting seats and two second connecting seats, wherein the two sides of the connecting rods are symmetrically arranged, first connecting shafts are arranged on the connecting rods, and the connecting rods are connected with the first connecting seats through the first connecting shafts.
In the pressure release valve for industrial oil fume purifying equipment, a groove-shaped hole for penetrating through the first connecting shaft is formed in the connecting rod, the groove-shaped hole is vertically arranged, and a locking screw which is abutted to the first connecting shaft is arranged on the connecting rod.
In the pressure release valve for the industrial oil fume purifying equipment, a fixing nut is welded on the upper end face of the connecting rod, and a locking screw is connected to the fixing nut in a threaded mode.
In the pressure release valve for industrial oil fume purifying equipment, the second connecting seat is L-shaped, one end of the second connecting seat is fixedly connected with the side surface of the valve seat, and the other end of the second connecting seat is hinged with the connecting rod.
In the pressure release valve for the industrial oil fume purifying equipment, the third connecting seat is arranged at the lower end of the second connecting seat, and the third connecting seat and the second connecting seat are of an integrated structure.
In the pressure release valve for industrial oil fume purifying equipment, two or more extension springs are arranged, a damping rod is arranged between the extension springs, and two ends of the damping rod are respectively hinged with the connecting rod and the third connecting seat.
In the relief valve for industrial oil fume purifying equipment, the first clamping hook comprises a pin and connecting sheets arranged at two ends of the pin, one end of each connecting sheet, far away from the extension spring, is fixedly connected with a connecting shaft, and two ends of each connecting shaft are rotationally connected with the connecting rods.
In the pressure release valve for industrial oil fume purifying equipment, the upper end of the valve seat is provided with a sealing ring, the sealing ring comprises an n-type sealing ring buckled on the valve seat, and an O-type sealing ring which is arranged above the n-type sealing ring and integrated with the n-type sealing ring.
In the pressure release valve for industrial oil fume purifying equipment, a folding edge is arranged on the valve seat, a sealing ring is arranged on the folding edge, the sealing ring comprises a 匚 type sealing ring buckled on the folding edge, and an O-shaped sealing ring which is arranged above the 匚 type sealing ring and integrated with the 匚 type sealing ring.
The beneficial effects are that:
The invention provides a pressure release valve for industrial oil smoke purifying equipment, which is characterized in that a pressure release valve is arranged on an oil smoke pipeline connected with air purifying equipment, when the interior of the oil smoke pipeline is on fire, a fusible metal sheet is blown by fire, an actuator is triggered to enable a second clamping hook of the actuator to swing away from a position buckled with a first clamping hook, so that a valve cover is lifted up under the restoring force of a tension spring and the leverage of a connecting rod to achieve the effect of opening the valve cover, the valve cover is automatically opened, signals are transmitted to a controller, the controller controls the closing of a stop valve of equipment (production equipment or purifying equipment) at two ends of the oil smoke pipeline, the fire is prevented from spreading, and the fire and the smoke can not be discharged and flow to the production equipment connected with the oil smoke pipeline or the purifying equipment when the interior of the oil smoke pipeline is on fire, so that the production equipment is burnt out.
Drawings
Fig. 1 is a front view of a pressure release valve for an industrial fume purification device provided by the invention.
Fig. 2 is a front view of another embodiment of a pressure relief valve for an industrial fume purification device provided by the present invention.
Fig. 3 is a right side view of the pressure release valve for the industrial fume purifying device provided by the invention.
Fig. 4 is a top view of the pressure release valve for the industrial fume purification device provided by the invention.
Detailed Description
The invention provides a pressure relief valve for industrial oil fume purifying equipment, which is used for making the purposes, technical schemes and effects of the invention clearer and more definite, and is further described in detail below by referring to the accompanying drawings and examples. 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 invention.
Referring to fig. 1,3 and 4, the present invention provides a pressure release valve for an industrial oil fume purifying apparatus, which comprises a valve seat 1 disposed on an oil fume pipe and a valve cover 9 disposed on the valve seat, wherein a first connecting seat 12 is disposed on an upper end surface of the valve cover 9, a second connecting seat 10 and a third connecting seat 14 are disposed on the valve seat, a connecting rod 6 is rotatably connected to the first connecting seat and the second connecting seat, one end of the connecting rod 6 far away from the first connecting seat is rotatably connected with an extension spring 13, one end of the extension spring 13 is fastened to the third connecting seat 14, one end of the connecting rod far away from the extension spring is provided with a first fastening hook 4, the first fastening hook is connected with an actuator 2, the first fastening hook 4 is fastened with a second fastening hook 3 of the actuator, the actuator is fixed on a side surface of the valve seat, the actuator is connected with a fusible metal sheet 16, and the fusible metal sheet is disposed inside the valve seat.
Above-mentioned in, first connecting seat is used for connecting rod and valve gap to be connected, and second connecting seat, connecting rod and extension spring form lever structure, and when extension spring shrink, the valve gap of the connecting rod other end is opened, and when needing to close the valve gap, covers the valve gap on the disk seat to with the second trip and the first trip lock of executor, make the valve gap fixed on the disk seat. Wherein the actuator is an existing mechanism such as: DL-II-2 small does not adjust the close range fire damper smoke valve and carries out control mechanism.
Further, the actuator is connected with the fusible metal piece 16, and the fusible metal piece 16 is placed inside the valve seat. Wherein, the fusible metal sheet is horizontal inside the disk seat, and be connected with the executor, when the inside fire of clarification plant, the fusible metal sheet is blown, trigger the executor and make the second trip pendulum of executor leave the position with first trip lock for under extension spring's restoring force and the leverage of connecting rod, make the valve gap be mentioned and reach the effect of opening the valve gap, and then reach the valve gap and open automatically, when avoiding the inside fire of oil smoke pipeline, flame and flue gas can't discharge and flow to the production facility of being connected with oil smoke pipeline or clarification plant, lead to production facility to be burnt out. Preferably, the actuator is connected to a controller (not shown) and the actuator transmits signals to the controller which controls the closing and stopping of the valves of the production plant.
Preferably, the fusible metal sheet is formed by welding the connecting sheet and the low-melting-point metal in the valve seat and folded into a V-shaped or a plurality of V-shaped net shapes connected end to end, so that the coverage area of the fusible metal sheet is larger, wherein the fusible metal sheet can be a fuse wire or other metal sheets with low melting points.
Preferably, the first connecting seat and the second connecting seat are two, and are symmetrically arranged on two sides of the connecting rod, preferably, the two first connecting seats are arranged on the same diameter of the valve cover, and the distance between the two first connecting seats is equal to the radius of the valve cover. The valve cover is enabled to be subjected to the connecting rod more uniformly, and the connecting sealing effect of the valve cover and the valve seat is better.
Specifically, be equipped with first connecting axle 11 on the connecting rod to the connecting rod passes through first connecting axle and is connected with first connecting seat, realizes that the connecting rod is connected with the rotation of first connecting seat, and is further, is equipped with the cell type hole 8 that is used for passing first connecting axle on the connecting rod, and this cell type hole 8 vertical setting, and be equipped with on the connecting rod with the locking screw 7 of first connecting axle butt, specifically, through the cell type hole that is established into vertical direction with the hole that rotates the first connecting axle on the first connecting seat, make the valve gap can slide along this cell type hole. When the pressure release valve is closed, after the second clamping hook is buckled with the first clamping hook, the locking screw is screwed, so that the locking screw is abutted on the first connecting shaft and pushes the valve cover to move downwards along the groove-shaped hole, and the valve cover and the valve seat cover are tightly covered. Meanwhile, before the second clamping hook is buckled with the first clamping hook, the locking screw is in a unscrewed state, so that the second clamping hook is conveniently buckled with the first clamping hook. Wherein, the first connecting seat is established on the up end of valve gap, also can form the strengthening rib of valve gap, increases the intensity of valve gap.
Preferably, in order to enhance the connection strength between the connecting rod and the locking screw, a fixing nut 15 is welded on the upper end surface of the connecting rod, and the locking screw is in threaded connection with the fixing nut 15.
Further, in order not to affect the installation of the valve cover, the second connecting seat is in an L shape, one end of the second connecting seat is fixedly connected with the side face of the valve seat, the other end of the second connecting seat is hinged with the connecting rod, the third connecting seat is arranged at the lower end of the second connecting seat, and the third connecting seat and the second connecting seat are of an integrated structure. The second connecting seats are arranged on two sides of the connecting rod correspondingly, the third connecting seat is arranged at the lower end of the second connecting seats and between the two second connecting seats, one end of the extension spring is buckled on the third connecting seat, and the other end of the extension spring is buckled on one end of the connecting rod, which is far away from the first clamping hook, so that the second connecting seats, the connecting rod and the extension spring form a lever structure; and the second connecting seat and the third connecting seat are of an integrated structure, thereby being convenient for manufacturing and fixed installation.
Preferably, the number of the extension springs is two or more, damping rods 18 are arranged between the extension springs and the extension springs, two ends of each damping rod 18 are hinged with the connecting rod and the third connecting seat respectively, wherein the extension springs are symmetrically arranged about the symmetry plane of the pressure relief valve, and the damping rods are arranged on the symmetry plane of the pressure relief valve. The damping rod is of an existing structure, and can prevent workers from being injured due to the fact that the stretching spring pulls the valve cover to open too fast.
The first trip includes pin 43, establishes the connection piece 42 at the pin both ends, and the connection piece is kept away from extension spring's one end fixedly connected with connecting axle 41, and the both ends and the connecting rod rotation of connecting axle are connected, and wherein, connecting axle both ends are fixed on two connecting rods, and the vertical middle part of fixing at the connecting axle of connection piece, and the pin is fixed at the lower extreme of connection piece for it forms the first trip that can lock with the second trip.
Specifically, in order to increase the tightness between the valve seat and the valve cover, a sealing ring 5 is arranged at the upper end of the valve seat, the sealing ring 5 comprises an n-type sealing ring buckled on the valve seat, and an O-type sealing ring which is arranged above the n-type sealing ring and integrated with the n-type sealing ring, wherein the sealing ring is an n-type part for being installed and fixed on the valve seat, and the O-type part is used for being abutted with the inner surface of the valve cover to prevent smoke leakage.
Referring to fig. 2, in another embodiment, in order to increase the stress intensity of the valve seat, a flange 17 is provided on the valve seat, and in order to increase the tightness between the valve seat and the valve cover, a sealing ring 5 is provided on the flange, the sealing ring comprises a 匚 type sealing ring buckled on the flange, an O-type sealing ring which is arranged above the 匚 type sealing ring and is integrated with the 匚 type sealing ring, a 匚 type part of the sealing ring is matched and fixed with the flange, and the O-type sealing ring is used for abutting against the inner surface of the valve cover to prevent smoke leakage.
According to the invention, the decompression valve is arranged on the oil smoke pipeline connected with the air purifying device, when the interior of the oil smoke pipeline is on fire, the fusible metal sheet is blown by the fire, the actuator is triggered to enable the second clamping hook of the actuator to swing away from the position buckled with the first clamping hook, so that the valve cover is lifted up under the restoring force of the tension spring and the leverage of the connecting rod to achieve the effect of opening the valve cover, the valve cover is automatically opened, signals are transmitted to the controller, the controller controls the stop valve of equipment (production equipment or purifying equipment) at the two ends of the oil smoke pipeline to be closed, the fire is prevented from spreading, and the fire and the smoke can not be discharged and flow to the production equipment connected with the oil smoke pipeline or the purifying equipment when the interior of the oil smoke pipeline is on fire, so that the production equipment is burnt out.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present invention and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention.
Claims (10)
1. A relief valve for industrial oil smoke clarification plant, its characterized in that, including establishing the disk seat on the oil smoke pipeline and arranging the valve gap on the disk seat in, the valve gap up end is equipped with first connecting seat, is equipped with second connecting seat and third connecting seat on the disk seat, first connecting seat and second connecting seat rotate and are connected with the connecting rod, and the connecting rod is rotated in the one end of keeping away from first connecting seat and is connected with extension spring to extension spring's one end lock joint is on the third connecting seat, and the connecting rod is equipped with first trip in the one end of keeping away from extension spring, and first trip is connected with the executor to first trip and the second trip lock of executor, the side at the disk seat is fixed to the executor, the executor is connected with fusible metal sheet, and fusible metal sheet is arranged in inside the disk seat.
2. The pressure release valve for industrial oil fume purification equipment according to claim 1, wherein the number of the first connecting seat and the number of the second connecting seat are two, the two connecting seats are symmetrically arranged on two sides of the connecting rod, the connecting rod is provided with a first connecting shaft, and the connecting rod is connected with the first connecting seat through the first connecting shaft.
3. The pressure release valve for industrial fume purifying equipment according to claim 2, wherein the connecting rod is provided with a groove-shaped hole for passing through the first connecting shaft, the groove-shaped hole is vertically arranged, and the connecting rod is provided with a locking screw abutting against the first connecting shaft.
4. A pressure release valve for an industrial fume purifying apparatus according to claim 3, wherein the upper end surface of the connecting rod is welded with a fixing nut, and the locking screw is screwed on the fixing nut.
5. The pressure release valve for industrial fume purifying equipment of claim 4, wherein the second connecting seat is L-shaped, and one end of the second connecting seat is fixedly connected with the side surface of the valve seat, and the other end of the second connecting seat is hinged with the connecting rod.
6. The pressure release valve for industrial fume purifying equipment according to claim 5, wherein the third connecting seat is arranged at the lower end of the second connecting seat, and the third connecting seat and the second connecting seat are of an integral structure.
7. The pressure release valve for industrial fume purifying equipment according to claim 6, wherein the number of the extension springs is two or more, a damping rod is arranged between the extension springs, and two ends of the damping rod are respectively hinged with the connecting rod and the third connecting seat.
8. The pressure release valve for industrial oil fume purifying equipment according to claim 1, wherein the first clamping hook comprises a pin and connecting pieces arranged at two ends of the pin, the connecting pieces are fixedly connected with a connecting shaft at one end far away from the tension spring, and two ends of the connecting shaft are rotatably connected with the connecting rod.
9. The pressure release valve for industrial fume purifying equipment according to claim 1, wherein the upper end of the valve seat is provided with a sealing ring, the sealing ring comprises an n-type sealing ring fastened on the valve seat, and an O-type sealing ring arranged above the n-type sealing ring and integrated with the n-type sealing ring.
10. The pressure release valve for industrial fume purifying equipment according to claim 1, wherein the valve seat is provided with a flange, and the flange is provided with a sealing ring, the sealing ring comprises a 匚 type sealing ring buckled on the flange, and an O-type sealing ring which is arranged above the 匚 type sealing ring and is integrated with the 匚 type sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092213.4A CN109737228B (en) | 2019-01-30 | 2019-01-30 | Pressure release valve for industrial oil fume purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092213.4A CN109737228B (en) | 2019-01-30 | 2019-01-30 | Pressure release valve for industrial oil fume purifying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109737228A CN109737228A (en) | 2019-05-10 |
| CN109737228B true CN109737228B (en) | 2024-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092213.4A Active CN109737228B (en) | 2019-01-30 | 2019-01-30 | Pressure release valve for industrial oil fume purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109737228B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6279597B1 (en) * | 1998-03-10 | 2001-08-28 | Mertik Maxitrol Gmbh & Co., Kg | Thermal safety valve for automatically shutting off pipes |
| RU2002116027A (en) * | 2002-06-13 | 2004-02-27 | Закрытое акционерное общество Научно-производственна фирма "Центральное конструкторское бюро арматуростроени " | Thermal shutter |
| CN207599067U (en) * | 2017-12-07 | 2018-07-10 | 广州高标消防设备有限公司 | A kind of modified facilitates the fire resisting damper of unlatching |
| CN209762366U (en) * | 2019-01-30 | 2019-12-10 | 佛山市科蓝环保科技股份有限公司 | Pressure release valve for industrial oil fume purification equipment |
-
2019
- 2019-01-30 CN CN201910092213.4A patent/CN109737228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6279597B1 (en) * | 1998-03-10 | 2001-08-28 | Mertik Maxitrol Gmbh & Co., Kg | Thermal safety valve for automatically shutting off pipes |
| RU2002116027A (en) * | 2002-06-13 | 2004-02-27 | Закрытое акционерное общество Научно-производственна фирма "Центральное конструкторское бюро арматуростроени " | Thermal shutter |
| CN207599067U (en) * | 2017-12-07 | 2018-07-10 | 广州高标消防设备有限公司 | A kind of modified facilitates the fire resisting damper of unlatching |
| CN209762366U (en) * | 2019-01-30 | 2019-12-10 | 佛山市科蓝环保科技股份有限公司 | Pressure release valve for industrial oil fume purification equipment |
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| Publication number | Publication date |
|---|---|
| CN109737228A (en) | 2019-05-10 |
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