CN110441473A - Prefabricated pumping plant toxic gas detection device - Google Patents
Prefabricated pumping plant toxic gas detection device Download PDFInfo
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- CN110441473A CN110441473A CN201910616319.XA CN201910616319A CN110441473A CN 110441473 A CN110441473 A CN 110441473A CN 201910616319 A CN201910616319 A CN 201910616319A CN 110441473 A CN110441473 A CN 110441473A
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- toxic gas
- detection device
- process chamber
- snorkel
- pumping plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
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- Automation & Control Theory (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of prefabricated pumping plant toxic gas detection devices, belong to equipment of pumping station field.The toxic gas detection device, including toxic gas detector and toxic gas process chamber, the toxic gas detector top are equipped with escape pipe, and the escape pipe is communicated with the pump housing；It is equipped in the toxic gas process chamber for accelerating to absorb toxic gas and there is the mixing component of ventilatory function, the mixing component is connected by exhausting component with escape pipe.The embodiment of the present invention is by being arranged escape pipe in the top of toxic gas detector, and escape pipe is communicated by exhausting component with toxic gas process chamber, it can be when the intracorporal concentration of toxic gases of pump be excessively high, intracorporal toxic gas will be pumped by exhaust fan be pumped into toxic gas process chamber carry out absorption processing, to can not only reduce the intracorporal concentration of toxic gases of pump, but also it can guarantee that toxic gas will not be directly discharged in air.
Description
Technical field
The present invention relates to equipment of pumping station field, specifically a kind of prefabricated pumping plant toxic gas detection device.
Background technique
Prefabricated pumping plant is the integrated product of a kind of collection immersible pump, monitoring instrument and the decontamination equipment such as grid, can be with
It discharges and handles applied to sewage, river water and rainwater etc..Wherein, prefabricated pumping plant at work, is often generated in pump body
Some toxic gases can generate more hydrogen sulfide and ammonia etc. in the pump housing in particular for handling the prefabricated pumping plant of sewage
Toxic gas.And when staff needs to enter in the pump housing into when service work, these toxic gases will exist biggish
Security risk, so, it is critically important to pumping intracorporal toxic gas and being measured in real time.
Although in the prior art, for example Chinese patent CN207881071U discloses a kind of having for integrated prefabricated pumping plant
The processing unit of evil gas can be detected by poisonous gas detecting instrument to intracorporal toxic gas is pumped, and can be with
It is discharged by toxic gas of the exhaust fan to the pump housing, still, the toxic gas of the device is to be directly discharged to outside air
In, therefore certain pollution can be caused to outside air.
Summary of the invention
The purpose of the present invention is to provide a kind of prefabricated pumping plant toxic gas detection devices, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of prefabricated pumping plant toxic gas detection device, including setting are pumping intracorporal toxic gas detector, and described is toxic
Escape pipe is equipped with above detector, the escape pipe is communicated with the pump housing；In addition, the toxic gas detection device is also
Being equipped with including the toxic gas process chamber for absorbing toxic gas, in the toxic gas process chamber has for accelerating to absorb
Poisonous gas and the mixing component with ventilatory function, the mixing component is connected by exhausting component with escape pipe, described
Exhausting component toxic gas is pumped into toxic gas process chamber from the pump housing.
A kind of preferred embodiment used in the embodiment of the present invention, the pump housing is communicated with the outside world by air inlet pipe, described
Check valve is equipped in air inlet pipe.
Another kind preferred embodiment used in the embodiment of the present invention, the exhausting component includes exhaust fan, the outlet
Pipe is connected by the first connecting tube with exhaust fan, and the exhaust fan is connected by the second connecting tube with mixing component.
Another kind preferred embodiment used in the embodiment of the present invention, the mixing component include snorkel and setting logical
Stirrer paddle on tracheae, the snorkel setting communicate in toxic gas process chamber, and with toxic gas process chamber；Institute
The snorkel stated also passes through hollow axle and is connected with the second connecting tube, the hollow axle with for driving snorkel and stirring
The driving assembly that blade is rotated is mixed to be connected.
Another kind preferred embodiment used in the embodiment of the present invention, is additionally provided with several groups venthole on the snorkel.
Another kind preferred embodiment used in the embodiment of the present invention, the driving assembly includes driven wheel of differential and initiative taper
Gear, the hollow axle are connected with driven wheel of differential, and the driven wheel of differential is meshed with drive bevel gear, described
Drive bevel gear is connected to the motor.
Another kind preferred embodiment used in the embodiment of the present invention, is additionally provided between the hollow axle and snorkel and is used for
Prevent toxic gas from handling the anti-suck component that indoor liquid flows back in hollow axle.
It is used in the embodiment of the present invention another kind preferred embodiment, the anti-suck component includes connecting cylinder, it is described in
Pony axle is connected by connecting cylinder with snorkel, and baffle is equipped in the connecting cylinder, and the baffle passes through spring and company
The upper inner wall of connect cylinder is connected, and is located at the underface of hollow axle；The diameter of the baffle is not less than the internal diameter of hollow axle.
Another kind preferred embodiment used in the embodiment of the present invention, the toxic gas detection device further includes controller,
The controller is electrically connected with toxic gas detector, and the controller is fed back according to toxic gas detector
Information automatically controls exhausting component and mixing component works.
The above-mentioned technical proposal of the offer of the embodiment of the present invention has following technical effect that compared with the prior art
(1) embodiment of the present invention is by being arranged escape pipe in the top of toxic gas detector, and by escape pipe by having
The exhausting component of exhaust fan is communicated with toxic gas process chamber, can detect toxic gas in the pump housing in toxic gas detector
When excessive concentration, intracorporal toxic gas will be pumped it is pumped into toxic gas process chamber by starting exhaust fan and carry out at absorption
Reason to can not only reduce the intracorporal concentration of toxic gases of pump, but also can guarantee that toxic gas will not be directly discharged to
In air.
(2) stirring of the embodiment of the present invention also by being provided with snorkel and stirrer paddle in toxic gas process chamber
Component, and snorkel is connected by hollow axle with exhaust fan, can by the rotation of snorkel and stirrer paddle come
The contact area for the treatment of fluid in toxic gas and toxic gas process chamber is improved, so as to improve toxic gas process chamber to having
The absorption treatment effeciency and effect of poisonous gas.
(3) present invention between hollow axle and snorkel also by being provided with the anti-down of connecting cylinder, baffle and spring
Component is inhaled, is flowed back in exhaust fan so as to prevent toxic gas from handling indoor treatment fluid.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for prefabricated pumping plant toxic gas detection device that embodiment 1 provides.
Fig. 2 is the structural schematic diagram for the toxic gas process chamber that embodiment 1 provides.
Fig. 3 is the structural schematic diagram for the mixing component that embodiment 1 provides.
Fig. 4 is a kind of structural schematic diagram for prefabricated pumping plant toxic gas detection device that embodiment 2 provides.
Fig. 5 is a kind of control structure figure for prefabricated pumping plant toxic gas detection device that embodiment 2 provides.
In figure: the 1- pump housing, 2- toxic gas detector, 3- escape pipe, 4- exhaust fan, the first connecting tube of 5-, 6- have poison gas
Body process chamber, the second connecting tube of 7-, 8- air inlet pipe, 9- check valve, 10- inlet, 11- drain pipe, 12- exhaust pipe, 13- are hollow
Shaft, 14- rotary joint, 15- driven wheel of differential, 16- drive bevel gear, 17- motor, 18- snorkel, 19- stirrer paddle,
20- venthole, 21- connecting cylinder, 22- baffle, 23- spring, 24- controller.
Specific embodiment
Following specific embodiment is the tool made in conjunction with the attached drawing provided in this specification to the technical solution of the application
Body, clearly description.Wherein, the attached drawing of specification is intended merely to for the technical solution of the application being presented more clear bright
, the shape or size in actual production or use are not represented, and can not be using the label of attached drawing as related power
The limitation that benefit requires.
In addition, the term used should make the understanding of broad sense, for the technology of this field in the description of the present application
For personnel, the concrete meaning of term can be understood according to actual concrete condition.For example, term employed in the application
" installation " can be defined as that either non-removable fixed installation etc. is removably fixedly mounted；Used term " setting "
" being equipped with " can be defined as contact setting or not in contact with formula setting etc.；Used term " connection " can with " being connected "
To be defined as being fixedly connected or the mechanical connection of movable connection, also may be defined as being electrically connected etc.；Used term "
One ", " second " etc. is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated
Technical characteristic quantity；Used noun of locality term is with reference to the accompanying drawings or according to actual conditions and known
Subject to direction defined in common sense.
Embodiment 1
Referring to attached drawing 1-3, this embodiment offers a kind of prefabricated pumping plant toxic gas detection devices, including toxic gas detector
2 and toxic gas process chamber 6, the toxic gas detector 2 be mounted in the pump housing 1, city in the prior art can be selected
The poisonous gas detecting instrument for selling C630/E model, the toxic gases such as the hydrogen sulfide and ammonia that are particularly used in the detection pump housing 1
Content.The treatment fluid of the toxic gas process chamber 6 being provided with for absorbing toxic gas, treatment fluid specifically can be selected water or
The liquid such as organic solvent；The top of the toxic gas process chamber 6 is equipped with inlet 10 and exhaust pipe 12, for adding treatment fluid
With the air pressure balance in guarantee toxic gas process chamber 6；The bottom of toxic gas process chamber 6 is equipped with drain pipe 11, for handling
The discharge of liquid.
In addition, being equipped in the toxic gas process chamber 6 for accelerating to absorb toxic gas and there is ventilatory function
Mixing component, the mixing component are connected by exhausting component with escape pipe 3, and the escape pipe 3 is communicated with the pump housing 1,
And it is located at the top of toxic gas detector 2；The exhausting component is used to toxic gas being pumped into toxic gas from the pump housing 1
In process chamber 6.
Specifically, the exhausting component includes exhaust fan 4, the escape pipe 3 passes through the first connecting tube 5 and exhaust fan
4 are connected, and the exhaust fan 4 is connected by the second connecting tube 7 with mixing component.By starting exhaust fan 4, can will pump
Toxic gas in body 1 is pumped into toxic gas process chamber 6 by mixing component carries out absorption processing.In addition, the pump
There are also air inlet pipe 8 on body 1, the pump housing 1 is communicated with the outside world by air inlet pipe 8, and check valve 9 is equipped in the air inlet pipe 8, by into
The setting of tracheae 8 can guarantee the air pressure balance in the pump housing 1；Pass through the setting of check valve 9, it is ensured that outside air can enter
While in the pump housing 1, the toxic gas in the pump housing 1 can also be prevented to be discharged from air inlet pipe 8.
Further, the mixing component includes snorkel 18 and stirrer paddle 19, and the stirrer paddle 19 is equipped with extremely
It is two groups few, and the stirrer paddle 19 of at least two groups is installed in a staggered manner respectively in the two sides of snorkel 18；The snorkel 18 is arranged
It is communicated in toxic gas process chamber 6, and with toxic gas process chamber 6；In addition, the snorkel 18 and 13 phase of hollow axle
Connection, the hollow axle 13 is rotatablely connected by rotary joint 14 with the second connecting tube 7, and is connected；It is described
Hollow axle 13 be connected with for the driving assembly that drives snorkel 18 and stirrer paddle 19 to be rotated.
Specifically, the driving assembly includes driven wheel of differential 15 and drive bevel gear 16, the hollow axle 13
It is fixedly linked with driven wheel of differential 15, the driven wheel of differential 15 is meshed with drive bevel gear 16, the active conical tooth
Wheel 16 and the motor shaft of motor 17 are fixedly linked.Drive bevel gear 16 can be driven to rotate by motor 17, drive bevel gear 16
Rotation can drive driven wheel of differential 15 rotate, the rotation of driven wheel of differential 15 can drive hollow axle 13 rotate, it is hollow
The rotation of shaft 13 can make snorkel 18 and stirrer paddle 19 be rotated, so as to in toxic gas process chamber 6
Treatment fluid be stirred, with improve treatment fluid to toxic gas carry out infiltration rate.In addition, also being set on the snorkel 18
There is several groups venthole 20.It should be noted that the position of uppermost one group of venthole 20 is lower than there is poison gas on snorkel 18
The liquid level of 6 treatment fluid of body process chamber, by the setting of snorkel 18, the contact surface of toxic gas and treatment fluid can be improved
Product, so as to further speed up the absorption to toxic gas.
Further, it is additionally provided between the hollow axle 13 and snorkel 18 for preventing in toxic gas process chamber 6
Liquid flow back to the anti-suck component in hollow axle 13.Specifically, the anti-suck component includes connecting cylinder 21, it is described
Hollow axle 13 be connected with snorkel 18 by connecting cylinder 21, equipped with baffle 22, the gear in the connecting cylinder 21
Plate 22 is connected by spring 23 with the upper inner wall of connecting cylinder 21, and is located at the underface of hollow axle 13；The baffle 22 it is straight
Diameter is not less than the internal diameter of hollow axle 13.It should be noted that baffle 22 exists when spring 23 and baffle 22 are in equilibrium state
The lower section of hollow axle 13 is not in contact with hollow axle 13；And when toxic gas quickly dissolves in treatment fluid, treatment fluid is past
When upper refluence, treatment fluid can first be flowed back in connecting cylinder 21, and then, treatment fluid can up push up baffle 22, and baffle 22 will block up
Firmly hollow axle 13, so as to prevent treatment fluid from flowing back in exhaust fan 4；In addition, the treatment fluid in connecting cylinder 21 exists
When flowing back into toxic gas 6 bottom of process chamber under the action of gravity down, baffle 22 can return to initially under the action of elastic force
Position.
Embodiment 2
Referring to attached drawing 4-5, in order to realize automation control to exhausting component and mixing component, which is in embodiment
It is improved on the basis of 1, specifically, the toxic gas detection device further includes controller 24, controller 24 can be selected existing
The PLC controller of commercially available Siemens S7-300 model in technology.The controller 24 respectively with toxic gas detector 2,
Exhaust fan 4 and motor 17 are electrically connected.The concentration of toxic gases acquired by toxic gas detector 2 can feed back to control
Device 24 processed automatically controls exhausting component and stirring group by the information that controller 24 can be fed back according to toxic gas detector 2
Part works.
Specifically, concentration of toxic gases reaches certain content in the pump housing 1, greater than setting target value when, controller 24
Starting exhaust fan 4 and motor 17 can be automatically controlled, so that the toxic gas in the pump housing 1 can be pumped into toxic gas processing
It is handled in room 6, when target value of the toxic gas content in the pump housing 1 lower than setting, exhaust fan 4 can be automatically stopped
With motor 17.
1-2 in conjunction with the embodiments, toxic gas detection device provided in an embodiment of the present invention may be mounted on the pump housing 1, when
When staff needs to enter in the pump housing 1, the concentration of toxic gases in the detection pump housing 1 of toxic gas detector 2 is first passed through；If
When concentration of toxic gases in the pump housing 1 is excessively high, controller 24 will start exhaust fan 4 and motor 17 automatically, by having in the pump housing 1
Poisonous gas, which is pumped into toxic gas process chamber 6, carries out absorption processing, to reduce the concentration of toxic gases in the pump housing 1, thus just
It can enter safely and carry out service work in the pump housing 1.
In conclusion the embodiment of the present invention by the top of toxic gas detector 2 be arranged escape pipe 3, and will go out
Tracheae 3 is communicated by the exhausting component with exhaust fan 4 with toxic gas process chamber 6, can be detected in toxic gas detector 2
When concentration of toxic gases is excessively high in the pump housing 1, the toxic gas in the pump housing 1 is pumped by toxic gas by starting exhaust fan 4
Absorption processing is carried out in process chamber 6, to can not only reduce the concentration of toxic gases in the pump housing 1, but also can guarantee have
Poisonous gas will not be directly discharged in air.
The embodiment of the present invention in toxic gas process chamber 6 also by being provided with stirring for snorkel 18 and stirrer paddle 19
Component is mixed, and snorkel 18 is connected by hollow axle 13 with exhaust fan 4, snorkel 18 and stirrer paddle can be passed through
19 rotation improves the contact area for the treatment of fluid in toxic gas and toxic gas process chamber 6, so as to improve poison gas
Absorption treatment effeciency and effect of the body process chamber 6 to toxic gas.In addition, the present invention is also by hollow axle 13 and snorkel
The anti-suck component of connecting cylinder 21, baffle 22 and spring 23 is provided between 18, so as to prevent toxic gas process chamber 6
Interior treatment fluid flows back in exhaust fan 4.
It should be noted that above-described embodiment carries out specifically, clearly just for the technical solution and technical characteristic of the application
The description of Chu.And to those skilled in the art, belong to the scheme or feature of the prior art or common knowledge, above
It is not just described in detail in embodiment.
Certainly, the technical solution of the application is not limited solely to the above embodiments, and those skilled in the art should will illustrate
As a whole, the technical solutions in the various embodiments may also be suitably combined for book, so as to form those skilled in the art
The other embodiments that member is understood that.
Claims (9)
1. prefabricated pumping plant toxic gas detection device, described including the toxic gas detector (2) being arranged in the pump housing (1)
Escape pipe (3) are equipped with above toxic gas detector (2), the escape pipe (3) is communicated with the pump housing (1), which is characterized in that institute
The toxic gas detection device stated further includes the toxic gas process chamber (6) for absorbing toxic gas, the toxic gas
It is equipped in process chamber (6) for accelerating to absorb toxic gas and there is the mixing component of ventilatory function, the mixing component is logical
It crosses exhausting component to be connected with escape pipe (3), toxic gas is pumped into from toxic gas by the exhausting component from the pump housing (1)
It manages in room (6).
2. prefabricated pumping plant toxic gas detection device according to claim 1, which is characterized in that the pump housing (1) is logical
It crosses air inlet pipe (8) to communicate with the outside world, is equipped with check valve (9) in the air inlet pipe (8).
3. prefabricated pumping plant toxic gas detection device according to claim 1, which is characterized in that the exhausting component packet
It includes exhaust fan (4), the escape pipe (3) is connected by the first connecting tube (5) with exhaust fan (4), the exhaust fan (4)
It is connected by the second connecting tube (7) with mixing component.
4. prefabricated pumping plant toxic gas detection device according to claim 3, which is characterized in that the mixing component packet
The stirrer paddle (19) for including snorkel (18) and being arranged on snorkel (18), the snorkel (18) setting are having poison gas
In body process chamber (6), and communicated with toxic gas process chamber (6)；The snorkel (18) also by hollow axle (13) with
Second connecting tube (7) is connected, the hollow axle (13) with for drive snorkel (18) and stirrer paddle (19) progress
The driving assembly of rotation is connected.
5. prefabricated pumping plant toxic gas detection device according to claim 4, which is characterized in that the snorkel (18)
On be additionally provided with several groups venthole (20).
6. prefabricated pumping plant toxic gas detection device according to claim 4, which is characterized in that the driving assembly packet
Driven wheel of differential (15) and drive bevel gear (16) are included, the hollow axle (13) is connected with driven wheel of differential (15), described
Driven wheel of differential (15) be meshed with drive bevel gear (16), the drive bevel gear (16) is connected with motor (17).
7. prefabricated pumping plant toxic gas detection device according to claim 4, which is characterized in that the hollow axle
(13) it is additionally provided between snorkel (18) for preventing the liquid in toxic gas process chamber (6) from flowing back to hollow axle (13)
Interior anti-suck component.
8. prefabricated pumping plant toxic gas detection device according to claim 7, which is characterized in that the anti-suck component
Including connecting cylinder (21), the hollow axle (13) is connected by connecting cylinder (21) with snorkel (18), the connection
Baffle (22) are equipped in cylinder (21), the baffle (22) is connected by spring (23) with the upper inner wall of connecting cylinder (21), and position
In the underface of hollow axle (13)；The diameter of the baffle (22) is not less than the internal diameter of hollow axle (13).
9. prefabricated pumping plant toxic gas detection device according to claim 1 to 8, which is characterized in that described
Toxic gas detection device further includes controller (24), and the controller (24) and toxic gas detector (2) carry out electrically
Connection, the controller (24) automatically control exhausting component and stirring group according to the information that toxic gas detector (2) is fed back
Part works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616319.XA CN110441473A (en) | 2019-07-09 | 2019-07-09 | Prefabricated pumping plant toxic gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910616319.XA CN110441473A (en) | 2019-07-09 | 2019-07-09 | Prefabricated pumping plant toxic gas detection device |
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| CN110441473A true CN110441473A (en) | 2019-11-12 |
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| CN201910616319.XA Pending CN110441473A (en) | 2019-07-09 | 2019-07-09 | Prefabricated pumping plant toxic gas detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078344A (en) * | 2022-05-30 | 2022-09-20 | 鞍钢股份有限公司 | NH in coal gas 3 Content detection system and method |
| CN115078286A (en) * | 2022-05-30 | 2022-09-20 | 鞍钢股份有限公司 | System and method for detecting content of HCl in blast furnace gas |
| CN115078346A (en) * | 2022-05-30 | 2022-09-20 | 鞍钢股份有限公司 | H in coal gas 2 S content detection system and method |
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