CN107956896B - Drainage device of valve - Google Patents
Drainage device of valve Download PDFInfo
- Publication number
- CN107956896B CN107956896B CN201711269355.0A CN201711269355A CN107956896B CN 107956896 B CN107956896 B CN 107956896B CN 201711269355 A CN201711269355 A CN 201711269355A CN 107956896 B CN107956896 B CN 107956896B
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- Prior art keywords
- valve
- drainage
- elbow
- output end
- drainage device
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- 239000002351 wastewater Substances 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 39
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000005856 abnormality Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- 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
- F16K3/0209—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 the valve having a particular passage, e.g. provided with a filter, throttle or safety device
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
-
- 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
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
-
- 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
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
- Sewage (AREA)
Abstract
The invention discloses a drainage device of a valve, which is connected to an output end of the valve, and comprises an elbow and an elbow flange, wherein the elbow is hermetically connected with the output end of the valve through the elbow flange, a drainage mechanism is further arranged at the lower side of the elbow, and the drainage mechanism at least comprises a drainage cavity which is vertically downwards arranged; the output end of the drainage mechanism is connected with a drainage control mechanism through a pipeline, and the output end of the drainage control mechanism is connected with a drainage tube; the invention has novel structure and practical function, can be normally used under the condition that the flashboard or the valve core is not seriously damaged by using the drainage device, and effectively prevents the abnormality of the online monitoring data of the wastewater caused by leakage; the valve replacement frequency is greatly reduced, the valve is replaced from the original 2-3 months to the present almost without replacement, the cost of purchasing the gate valve is saved by about 10 ten thousand yuan each year only in the environment-friendly process, the workload of maintenance staff is greatly reduced, and the smooth operation of production and environment protection is ensured.
Description
Technical Field
The invention belongs to the field of drainage devices, and particularly relates to a drainage device of a valve.
Background
A large amount of wastewater is generated in the tungsten smelting process, the wastewater can not reach the environmental emission standard, and tungsten smelting enterprises can concentrate the wastewater into a wastewater pool for treatment; according to the process requirements, the waste water is treated with acid and alkali, and is discharged through a pipeline pump after being qualified in treatment. The waste water outlet of the waste water tank is cut off and opened through a gate valve, the gate valve is closed in the waste water treatment process, and the gate valve is opened for discharging after the waste water is qualified. However, with the long-term use of the gate valve, the gate plate and the bottom of the gate valve cannot be completely closed due to the high-frequency opening and closing and the corrosion of acid-alkali wastewater in the wastewater tank, so that the gate valve leaks, untreated wastewater seeps into the discharge port, and the flow is not large but enough to cause the abnormality of wastewater on-line monitoring data.
Therefore, under normal conditions, a new drainage gate valve needs to be replaced every 2-3 months, which is expensive, seriously influences the production progress and the environment-friendly standard emission requirements, and increases the working intensity of maintenance staff.
In addition, even when other kinds of valves are used in the treatment of wastewater, there are more or less cases of leakage, and there is also a problem that the entire valve is frequently replaced due to leakage.
Disclosure of Invention
The invention aims to provide a valve drainage device with novel structure and practical function.
The technical scheme provided by the invention is as follows: the drainage device of the valve is connected to the output end of the valve and comprises an elbow and an elbow flange, wherein the elbow is in sealing connection with the output end of the valve through the elbow flange, the lower side of the elbow is also provided with a drainage mechanism, and the drainage mechanism at least comprises a drainage cavity which is vertically downwards arranged; the output end of the drainage mechanism is connected with a drainage control mechanism through a pipeline, and the output end of the drainage control mechanism is connected with a drainage tube.
As an improvement of the invention, the valve is a gate valve, and the elbow is a stainless steel elbow.
As an improvement of the invention, the drainage mechanism is an inverted cone-shaped drainage cavity, and the diameter of the top surface of the inverted cone-shaped drainage cavity is 40-60mm.
As an improvement of the invention, the top surface diameter of the inverted cone-shaped drainage cavity is 50mm.
As an improvement of the invention, a liquid level detection mechanism is also arranged in the drainage mechanism.
As an improvement of the invention, a PH value detection mechanism is also arranged in the drainage mechanism.
As an improvement of the invention, the drainage control mechanism is a stainless steel ball valve, and the drainage tube is a drainage hose.
As an improvement of the invention, the drainage control mechanism is an electromagnetic valve, a valve opening and closing detection part is arranged above the elbow, the valve opening and closing detection part comprises a height adjusting rod and a valve opening and closing detection mechanism, one end of the valve opening and closing detection mechanism is connected with the height adjusting rod, and an output signal of the valve opening and closing detection mechanism is used as an input signal for controlling the opening and closing of the electromagnetic valve.
As an improvement of the invention, the valve opening and closing detection mechanism is a proximity switch, and the height position of the proximity switch is flush with the height position of the hand wheel when the valve is in a closed state.
As an improvement of the invention, an auxiliary purifying part is arranged between the output end of the drainage control mechanism and the drainage tube, and the output end of the drainage tube is communicated with the output end of the elbow.
The beneficial effects are that:
the drainage device of the valve is arranged at the output end of the valve, so that the drainage device can be normally used under the condition that the damage of the flashboard or the valve core is not serious, and the abnormal on-line monitoring data of the wastewater caused by leakage is effectively prevented; the replacement frequency of the valve is greatly reduced, the valve is replaced from the original 2-3 months to the present almost without replacement, the cost of purchasing the gate valve is saved by about 10 ten thousand yuan each year only in the environment-friendly process, the workload of maintenance staff is greatly reduced, and the smooth operation of production and environment protection is ensured;
the drainage cavity of the drainage mechanism is further arranged into an inverted cone shape, the diameter of the top surface of the inverted cone is 40-60mm, the arrangement is more beneficial to leaking out waste water to be collected downwards, the capacity is sufficient, and the probability that the waste water directly flows out from the lower end of the elbow by bypassing the drainage mechanism and further causes the abnormality of the waste water on-line monitoring data can be effectively reduced;
the drainage control mechanism is further changed into an electromagnetic valve, and a valve opening and closing detection part is arranged above the elbow, so that the automatic interlocking function of the valve and the drainage control mechanism is realized, the labor cost is reduced, the working state of the drainage mechanism is controlled more accurately, the problem that untreated wastewater cannot be drained in time due to delay of manual operation is avoided, the drainage device can be effectively kept in a closed state when the treated wastewater is normally discharged, the drainage device is protected while normal production is maintained, and the service life of the drainage device is prolonged;
because one end of the valve opening and closing detection mechanism is connected with the height adjusting rod, the height of the valve opening and closing detection mechanism can be conveniently adjusted, and the valve opening and closing detection mechanism is further applicable to valves with various heights, and the adaptability of the drainage device is greatly improved.
The auxiliary purifying part is added, so that small amount of wastewater in the drainage mechanism can be simply and independently treated, the process of pumping the wastewater back to a wastewater pool for treatment by additionally adding the drainage pump is avoided, the leakage degree of the valve and the amount of wastewater to be drained can be mastered according to the liquid level detection mechanism arranged in the drainage mechanism, further, the pH value of the wastewater in each leakage occurrence can be recorded through the pH value detection mechanism arranged in the drainage mechanism, the large data analysis is convenient, the probability of leakage of the gate valve when the acid and the base are different can be mastered, the judgment of the components of tungsten ore wastewater can be facilitated according to the pH value of the wastewater displayed in real time, the small amount of wastewater can be treated by the auxiliary purifying part, the existing wastewater can not be led to abnormal online monitoring data through the drainage pipe and the lower end of the elbow after treatment, the process is greatly simplified, the problems of influencing production and cost due to the leakage of the valve are further reduced, and the large data analysis is beneficial to environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic structural diagram of embodiment 3 of the present invention;
FIG. 4 is a schematic structural diagram of embodiment 4 of the present invention;
FIG. 5 is a schematic structural diagram of embodiment 5 of the present invention;
fig. 6 is a schematic structural view of the auxiliary purifying unit in the present invention.
In the figure, 1 is a flashboard, 2 is an elbow flange, 3 is an elbow, 4 is a gate valve water inlet flange, 5 is a drainage mechanism, 6 is a drainage control mechanism, 7 is a drainage tube, 8 is a valve opening and closing detection part, 81 is a height adjusting rod, 82 is a valve opening and closing detection mechanism, 83 is a magnetic element, 9 is an auxiliary purification part, 91 is a liquid inlet pipe, 92 is an adding port, 93 is a filter bag, 94 is a liquid outlet valve, 10 is a liquid level detection mechanism, and 11 is a pH value detection mechanism.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the drainage device of the valve in the embodiment is connected to the output end of the DN125 gate valve, and comprises a stainless steel elbow 3 and an elbow flange 2, wherein the elbow 3 is connected with the output end of the gate valve in a sealing way through the elbow flange 2, a drainage mechanism 5 is further arranged on the lower side of the elbow 3, and the drainage mechanism 5 comprises a drainage cavity vertically arranged downwards; the output end of the drainage mechanism 5 is connected with a drainage control mechanism 6 through a pipeline, and the output end of the drainage control mechanism 6 is connected with a drainage tube 7;
in the embodiment, the drainage control mechanism 6 adopts a stainless steel ball valve, the drainage tube 7 adopts a PVC hose, the water inlet flange 4 of the gate valve is connected with the outlet of the wastewater pool in the use process, when the gate plate 1 with slight damage is closed, untreated wastewater seeps out of the gate valve through a gap between the gate plate 1 and a gate valve body, small-flow wastewater is collected to the drainage cavity of the drainage mechanism 5, flows into a pit pool through the stainless steel ball valve and the drainage tube 7, and is pumped back to the wastewater pool for treatment by a self-priming pump. At this time, operators need to strictly observe, when the flashboard 1 is closed, the stainless steel ball valve needs to be guaranteed to be in an open state, and when the flashboard 1 is opened, the stainless steel ball valve needs to be guaranteed to be in a closed state.
The drainage device of the valve can be normally used under the condition that the flashboard is not seriously damaged, so that the large expenditure is saved for enterprises, the workload of staff is reduced, and the normal operation of production and environmental protection is ensured.
The abnormal online monitoring data of the waste water caused by the damage and leakage of the gate valve is effectively prevented; the replacement frequency of the gate valve is greatly reduced, the gate valve is replaced from the original 2-3 months to the present almost without replacement, only the environmental protection procedure saves the cost of purchasing the gate valve by about 10 ten thousand yuan each year, the workload of maintenance staff is greatly reduced, and the smooth operation of production and environmental protection is ensured.
Example 2
As shown in fig. 2, in the drainage device of the valve in this embodiment 2, based on the drainage device structure of the valve in embodiment 1, the drainage cavity of the drainage mechanism 5 is further provided with an inverted cone shape, and the diameter of the top surface of the inverted cone is 50mm, which is more favorable for leaking out waste water to collect downwards, and the capacity is sufficient, so that the probability that the waste water bypasses the drainage mechanism 5 and directly flows out from the lower end of the elbow 3 to cause the waste water to monitor data abnormality on line can be effectively reduced.
Example 3
As shown in fig. 3, the drainage device of the valve in this embodiment 3 is connected to the output end of the DN125 gate valve, and comprises a stainless steel elbow 3 and an elbow flange 2, the elbow 3 is connected with the output end of the gate valve through the elbow flange 2 in a sealing manner, a drainage mechanism 5 is further disposed at the lower side of the elbow 3, and the drainage mechanism 5 includes a drainage cavity disposed vertically downward; the output end of the drainage mechanism 5 is connected with a drainage control mechanism 6 through a pipeline, and the output end of the drainage control mechanism 6 is connected with a drainage tube 7;
in this embodiment, the drainage control mechanism 6 employs a solenoid valve, a valve opening and closing detection portion 8 is further disposed above the elbow 3, the valve opening and closing detection portion 8 includes a height adjusting rod 81 and a valve opening and closing detection mechanism 82, one end of the valve opening and closing detection mechanism 82 is connected to the height adjusting rod 81, and an output signal of the valve opening and closing detection mechanism 82 is used as an input signal for controlling the opening and closing of the solenoid valve; the valve opening and closing detection mechanism 82 in this embodiment adopts an existing photoelectric proximity switch, and the height position of the photoelectric proximity switch is flush with the height position of the hand wheel when the valve is in the closed state.
In the use process, the water inlet flange 4 of the gate valve is connected with the outlet of the wastewater pool, when the gate plate 1 with slight damage is closed, untreated wastewater seeps out of the gate valve through a gap between the gate plate 1 and a gate valve body, small-flow wastewater is collected to a drainage cavity of the drainage mechanism 5, flows into the pit pool through the stainless steel ball valve and the drainage tube 7, and is pumped back to the wastewater pool for treatment by the self-priming pump; because the upper end of the elbow 3 is provided with the photoelectric proximity switch with the height consistent with that of the valve hand wheel when the valve is in the closed state, the photoelectric proximity switch always receives the photoelectric signal reflected by the hand wheel, the signal is in the open state through the electromagnetic valve below the existing PLC control drainage mechanism 5, and when the hand wheel moves upwards to open the valve, the photoelectric proximity switch cannot receive the photoelectric signal reflected by the hand wheel, so that the output is changed, and the electromagnetic valve is closed; therefore, the automatic interlocking function of the valve and the drainage control mechanism 6 is realized, the labor cost is reduced, the working state of the drainage mechanism 5 is controlled more accurately, the problem that untreated wastewater cannot be drained in time due to delay of manual operation is avoided, the drainage device can be effectively kept in a closed state when the treated wastewater is normally discharged, the drainage device is protected while normal production is maintained, and the service life of the drainage device is prolonged; because the one end of valve switching detection mechanism 82 is connected with altitude mixture control pole 81, altitude mixture control pole 81 adopts current lead screw in this embodiment, can very conveniently adjust the height of valve switching detection mechanism 82, and then can be applicable to the valve of various different heights, has improved drainage device's suitability greatly.
Example 4
As shown in fig. 4, the drainage device of the valve in this embodiment 4 has the same structure as that of embodiment 3, but the drainage cavity of the drainage mechanism 5 is in an inverted cone shape, the diameter of the top surface of the inverted cone is 60mm, the drainage capacity is more sufficient, the valve opening and closing detection mechanism 82 in this embodiment adopts the existing hall proximity switch, the magnetic element 83 is arranged on the hand wheel of the valve, when the magnetic element 83 moves, the hall proximity switch can send out a corresponding signal, thus realizing automatic interlocking between the valve and the drainage device, the hall proximity switch has lower price than the photoelectric proximity switch, further saving cost, and accurately detecting the magnetic element even under the conditions of severe environment and unfavorable use of the photoelectric switch, thereby improving the stability of the drainage device.
Example 5
As shown in fig. 5 and fig. 6, in the drainage device of the valve in this embodiment 5, on the basis of embodiment 4, an auxiliary purifying portion 9 is further disposed between the output end of the drainage control mechanism 6 and the drainage tube 7, and the output end of the drainage tube 7 is communicated with the output end of the elbow 3; a liquid level detection mechanism 10 is also arranged in the drainage mechanism 5; a PH value detection mechanism 11 is also arranged in the drainage mechanism 5; in the use process, the liquid level detection mechanism 10 and the PH value detection mechanism 11 adopt the existing liquid level meter and PH meter, the auxiliary purification part 9 can adopt the existing small-sized wastewater treatment machine, the auxiliary purification part 9 in the embodiment adopts a sedimentation filtration type purification tank, a liquid inlet pipe 91 and an adding port 92 are arranged on the tank body, a filter bag is arranged in the tank body, a liquid outlet valve 94 below the tank body is connected with the drainage tube 7, and the diameter of the top surface of the inverted cone-shaped drainage cavity in the embodiment can adopt a smaller 40mm size design due to the auxiliary purification part 9;
in the use, owing to add supplementary purification portion 9, can simply handle the waste water of medium and small amount in drainage mechanism 5 alone, avoided adding the drainage pump in addition and pumped back the waste water pond processing procedure of waste water, according to setting up the level gauge in drainage mechanism 5 and can implement to grasp the degree of valve seepage and the quantity of waiting to drain waste water, further, can record the pH value of waste water when taking place the seepage each time through the PH meter that sets up in drainage mechanism 5, be convenient for big data analysis, can grasp the probability that the gate valve is leaked at the different time of acid and base, can also be according to the waste water pH value of real-time demonstration, be favorable to judging tungsten ore waste water's composition, add current corresponding tungsten ore waste water treatment additive at the mouth 92 again, carry out simple and easy processing to a small amount of waste water in supplementary purification portion 9, can be together discharged through drainage tube 7 and can not lead to current waste water on-line monitoring data anomaly together, the procedure has been simplified greatly, further reduced because the problem that the gate valve seepage influences production and cost has positive meaning to environmental protection.
The invention is not limited to the above-described embodiments, and a person skilled in the art may make various modifications thereto, but any equivalent or similar modifications as the invention are intended to be included within the scope of the claims of the present invention.
Claims (8)
1. The drainage device of the valve is connected to the output end of the valve and is characterized by comprising an elbow (3) and an elbow flange (2), wherein the elbow (3) is connected with the output end of the valve in a sealing way through the elbow flange (2), a drainage mechanism (5) is further arranged on the lower side of the elbow (3), and the drainage mechanism (5) at least comprises a drainage cavity which is vertically downwards arranged; the output end of the drainage mechanism (5) is connected with a drainage control mechanism (6) through a pipeline, and the input end of the drainage control mechanism (6) is connected with a drainage tube (7);
the drainage control mechanism (6) is an electromagnetic valve, a valve opening and closing detection part (8) is further arranged above the elbow (3), the valve opening and closing detection part (8) comprises a height adjusting rod (81) and a valve opening and closing detection mechanism (82), one end of the valve opening and closing detection mechanism (82) is connected with the height adjusting rod (81), and an output signal of the valve opening and closing detection mechanism (82) is used as an input signal for controlling the opening and closing of the electromagnetic valve;
the valve opening and closing detection mechanism (82) is a proximity switch, and the height position of the proximity switch is flush with the height position of the hand wheel when the valve is in a closed state;
in the use process, the water inlet flange (4) of the gate valve is connected with the outlet of the wastewater tank, when the gate plate (1) with slight damage is closed,
untreated waste water seeps out of the gate valve through a gap between the gate plate (1) and a gate valve body, small-flow waste water is collected to a drainage cavity of the drainage mechanism (5), flows into a pit pool through the stainless steel ball valve and the drainage tube (7), and is pumped back to the waste water pool for treatment by the self-priming pump; because the upper end of the elbow (3) is provided with the photoelectric proximity switch with the height consistent with that of the valve hand wheel when the valve is in the closed state, the photoelectric proximity switch always receives the photoelectric signal reflected by the hand wheel, the signal is in the open state through the electromagnetic valve below the existing PLC control drainage mechanism (5), and when the hand wheel moves upwards to open the valve, the photoelectric proximity switch cannot receive the photoelectric signal reflected by the hand wheel, so that the output is changed, and the electromagnetic valve is closed; thereby realizing the function of automatic interlocking of the valve and the drainage control mechanism (6).
2. A valve drainage device according to claim 1, characterized in that the valve is a gate valve and the elbow (3) is a stainless steel elbow.
3. A valve drainage device according to claim 2, characterized in that the drainage means (5) is an inverted cone-shaped drainage cavity, the top surface diameter of which is 40-60mm.
4. A valve drainage device according to claim 3 wherein the top surface of said inverted cone-shaped drainage cavity has a diameter of 50mm.
5. A valve drainage device according to claim 4, characterized in that a liquid level detection means (10) is further provided in the drainage means (5).
6. A valve drainage device according to claim 5, characterized in that a ph value detection means (11) is further provided in the drainage means (5).
7. A valve drainage device according to claim 4, characterized in that the drainage control means (6) is a stainless steel ball valve and the drainage tube (7) is a drainage hose.
8. A valve drainage device according to claim 1, characterized in that an auxiliary purifying part (9) is further arranged between the output end of the drainage control mechanism (6) and the drainage tube (7), and the output end of the drainage tube (7) is communicated with the output end of the elbow (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269355.0A CN107956896B (en) | 2017-12-05 | 2017-12-05 | Drainage device of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269355.0A CN107956896B (en) | 2017-12-05 | 2017-12-05 | Drainage device of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956896A CN107956896A (en) | 2018-04-24 |
| CN107956896B true CN107956896B (en) | 2023-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711269355.0A Active CN107956896B (en) | 2017-12-05 | 2017-12-05 | Drainage device of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956896B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205937921U (en) * | 2016-08-22 | 2017-02-08 | 德阳市迪信佳阀门制造有限公司 | Gate valve |
| CN106895166A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | A kind of pneumatic cast steel gate valve |
| CN207648171U (en) * | 2017-12-05 | 2018-07-24 | 赣州华兴钨制品有限公司 | A kind of drainage device of valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439782A (en) * | 2002-02-19 | 2003-09-03 | 帕斯布·塔耐莫沃太 | Drain-pipe tool with additional pipe and valve for cleaning tamper in drain-pipe |
-
2017
- 2017-12-05 CN CN201711269355.0A patent/CN107956896B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895166A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | A kind of pneumatic cast steel gate valve |
| CN205937921U (en) * | 2016-08-22 | 2017-02-08 | 德阳市迪信佳阀门制造有限公司 | Gate valve |
| CN207648171U (en) * | 2017-12-05 | 2018-07-24 | 赣州华兴钨制品有限公司 | A kind of drainage device of valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107956896A (en) | 2018-04-24 |
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