CN209554897U - Conversion cycles system for Production of PVC - Google Patents
Conversion cycles system for Production of PVC Download PDFInfo
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- CN209554897U CN209554897U CN201822270177.XU CN201822270177U CN209554897U CN 209554897 U CN209554897 U CN 209554897U CN 201822270177 U CN201822270177 U CN 201822270177U CN 209554897 U CN209554897 U CN 209554897U
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Abstract
The utility model relates to generated by polyvinyl chloride by calcium carbide production fields, provide a kind of conversion cycles system for Production of PVC, including liquid-feeding pump, feed pot and fluid reservoir, the entrance of the liquid-feeding pump connects the fluid reservoir, the outlet connection conversion cycles pipeline of the liquid-feeding pump and the first liquid feeding pipeline, the conversion cycles piping connection conversion cycles device, first liquid feeding pipeline connects the feed pot, the feed pot is connected to the fluid reservoir by the second liquid feeding pipeline, and charging component is connected on the feed pot.It is simple that the utility model provides a kind of feed way, reduces charging process labor intensity, operating cost, improves equipment operation stability, the conversion cycles system for Production of PVC of safety.
Description
Technical field
The utility model relates to generated by polyvinyl chloride by calcium carbide production field, more particularly to a kind of for Production of PVC
Conversion cycles system.
Background technique
Carbide production polyvinyl chloride is to meet water using calcium carbide to generate acetylene, and acetylene and hydrogen chloride synthesis are produced vinyl chloride
Monomer, then by polymerization reaction make vinyl chloride generate polyvinyl chloride chemical reaction method.
The conversion cycles process of Production of PVC needs irregularly to add corrosion-mitigation scale-inhibition medicament into hot-water tower, to subtract
The fouling blockage problem of few entire cyclic process, still, existing corrosion-mitigation scale-inhibition medicament adding procedure are hand stock, hot-water tower
Upper arranging packaged type feed pot and centrifugal pump, staff add inhibition resistance into feed pot from the top of Chang Kou feed pot
Dirty medicament, then into feed pot, the water of corrosion-mitigation scale-inhibition medicament is dissolved in addition, and staff is needed manually to stir so that in feed pot
Medicament dissolution, then be pumped into hot-water tower by centrifugal pump.But in hand stock and artificial whipping process, complicated for operation, labor
Fatigue resistance is big, operating cost is high, there are staff to fall into the security risk in tank, and needs to carry mobile device, can shadow
Ring service life, the structural strength of equipment.
Utility model content
(1) technical problems to be solved
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies: existing to add
Material mode is complicated for operation, large labor intensity, operating cost is high, safety coefficient is low；The operation stability of equipment is poor, energy consumption is high.
The purpose of this utility model is: it is simple to provide a kind of feed way, reduce charging process labor intensity, operation at
This, improves equipment operation stability, the conversion cycles system for Production of PVC of safety.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of conversion cycles system for Production of PVC
The entrance of system, including liquid-feeding pump, feed pot and fluid reservoir, the liquid-feeding pump connects the fluid reservoir, the outlet of the liquid-feeding pump
Connect conversion cycles pipeline and the first liquid feeding pipeline, the conversion cycles piping connection conversion cycles device, first feed flow
Feed pot described in piping connection, the feed pot are connected to by the second liquid feeding pipeline with the fluid reservoir, are connected on the feed pot
It is connected to charging component.
Preferably, the first regulating valve is connected on first liquid feeding pipeline.
In above-mentioned any scheme preferably, the second regulating valve is connected on second liquid feeding pipeline.
In above-mentioned any scheme preferably, first liquid feeding pipeline is connected to the lower section of the feed pot, described
Second liquid feeding pipeline is connected to the top of the feed pot.
In above-mentioned any scheme preferably, conversion is connected between the conversion cycles device and the fluid reservoir and is followed
Ring return line.
In above-mentioned any scheme preferably, the first evacuated tube road, first emptying are connected on the feed pot
Piping connection is at the top of the feed pot.
In above-mentioned any scheme preferably, the charging component includes hopper and inlet valve.
In above-mentioned any scheme preferably, the inlet valve include charging on-off valve and charging weighing valve, it is described into
Expect to be equipped with storing space between on-off valve and the charging weighing valve, the charging on-off valve is set to the hopper and the charging
Between weighing valve.
In above-mentioned any scheme preferably, second liquid feeding pipeline is connected to the top of the fluid reservoir, described
The entrance of liquid-feeding pump connects liquor charging pipeline, and the liquor charging pipeline is connected to the lower section of the fluid reservoir.
In above-mentioned any scheme preferably, overflow passage is connected with above the fluid reservoir.
In above-mentioned any scheme preferably, the fluid reservoir memory heat storage fluid, the feed pot is set as closed
Structure.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
It is realized using the intrinsic liquid-feeding pump of conversion cycles system, fluid reservoir and each transfer pipeline by adding feed pot
The technical process that the ease of solubilities medicament such as corrosion-mitigation scale-inhibition medicament is added into conversion cycles system, in the process for carrying out circulation liquor charging,
It can be completed at the same time dosing process, without additional power supply, solve operating process complexity, the labour of existing mode of operation
The problem that intensity is high, energy consumption is high, safety is low.
Conversion cycles system provided by the utility model for Production of PVC is done furtherly in conjunction with the following drawings
It is bright.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the conversion cycles system of Production of PVC；
In figure, 1, liquid-feeding pump；2, conversion cycles pipeline；3, conversion cycles device；4, conversion cycles return line；5, liquid storage
Tank；6, overflow passage；7, the first drain line；8, liquor charging pipeline；9, feed pot；10, the second drain line；11, the first feed flow
Pipeline；12, the first evacuated tube road；13, feed component；14, the second liquid feeding pipeline；15, third drain line；16, it first adjusts
Valve；17, the second regulating valve.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
To be irregularly added into hot-water tower, original is added corrosion-mitigation scale-inhibition medicament needed for conversion cycles system using interim opening
Batch can adds corrosion-mitigation scale-inhibition medicament according to the effective concentration that hot-water tower needs in right amount, manually stirs after adding water, and interim centrifugal pump will
Liquid medicine in feed pot is squeezed into hot-water tower, and open dosing will cause dust pollution, and complicated for operation, staff's labour is by force
Degree is big, and operating cost is high, and the danger in open feed pot is fallen into there are employee.Therefore it provides a kind of follow using system is own
Loop back path, applicating fluid mobility carry out the conversion cycles system for Production of PVC of medicament addition.
As shown in Figure 1, the utility model provides a kind of preferred implementation of conversion cycles system for Production of PVC
Example, including liquid-feeding pump 1, feed pot 9 and fluid reservoir 5, the entrance of liquid-feeding pump 1 connect fluid reservoir 5, and the outlet connection of liquid-feeding pump 1 turns
Change circulation line 2 and the first liquid feeding pipeline 11, conversion cycles pipeline 2 connects conversion cycles device 3, the connection of the first liquid feeding pipeline 11
Feed pot 9, feed pot 9 are connected to fluid reservoir 5 by the second liquid feeding pipeline 14, and charging component 13 is connected on feed pot 9.
Liquid-feeding pump 1 conveys the fluid in fluid reservoir 5 to conversion cycles device 3 by conversion cycles pipeline 2, meanwhile, liquor charging
Pump 1 can also convey fluid in fluid reservoir 5 by the first liquid feeding pipeline 11 into feed pot 9, by the component 13 that feeds to adding
Corrosion-mitigation scale-inhibition medicament is added in batch can 9, corrosion-mitigation scale-inhibition medicament mixes in feed pot 9 with liquid, and is mixed in feed pot 9
The fluid of corrosion-mitigation scale-inhibition medicament is transported in fluid reservoir 5 by the second liquid feeding pipeline 14, is realized and is added inhibition resistance into fluid reservoir 5
The process of dirty medicament.
Using the intrinsic liquid-feeding pump 1 of conversion cycles system, fluid reservoir 5 and each transfer pipeline, by adding feed pot 9,
Realize that the technical process that corrosion-mitigation scale-inhibition medicament is added into conversion cycles system can be simultaneously in the process for carrying out circulation liquor charging
Dosing process is completed, without additional power supply, the operating process for solving existing mode of operation is complicated, labor intensity is high,
The problem that energy consumption is high, safety is low.
The present embodiment manually adds in such a way that hot water medicament is sent into fluid reservoir 5 by pipe fluid pressure for solving
When adding, stirring medicament, intensity of workers is high, and pollution environment causes the problem of certain economic loss again, alleviates existing
The labor intensity of field staff, has prevented the dust pollution of dosing process, while reducing PVC production cost, has reached energy conservation
The purpose of consumption reduction.
Further, 5 memory heat storage fluid of fluid reservoir, i.e. fluid reservoir 5 are the hot-water tower in existing system, in hot-water tower
Hot water is sent into feed pot 9 by liquid-feeding pump 1, and corrosion-mitigation scale-inhibition medicament is directly dissolved in hot water, and without stirring, simplification fed
Journey, therefore, feed pot 9 can be set to closed tank body, prevent the problem of staff crashes into feed pot 9, guarantee work people
The safety of member.By the newly-increased closed feed pot 9 for being loaded with hot fluid, hot water medicament is formed in feed pot 9, is realized
Hot water medicament is sent into fluid reservoir 5 by fluid flowing.
Further, the first regulating valve 16 is connected on the first liquid feeding pipeline 11, the first regulating valve 16 is used to adjust first
On off operating mode, the uninterrupted of liquid feeding pipeline 11.When needing to add corrosion-mitigation scale-inhibition medicament into fluid reservoir 5, opens first and adjust
Valve 16 is saved, liquid-feeding pump 1 is made to convey hot fluid to the first liquid feeding pipeline 11, hot fluid enters feed pot 9, and feed pot 9 passes through charging
After component 13 adds corrosion-mitigation scale-inhibition medicament, the solution in feed pot 9 flows into fluid reservoir 5 under the pressure of fluid, is not necessarily to extra power
Supplement, feeding process is stable, low energy consumption.
The second regulating valve 17 is connected on second liquid feeding pipeline 14, the second regulating valve 17 is used to adjust the second liquid feeding pipeline 14
On off operating mode, uninterrupted.When feed pot 9 is needed to 5 liquor charging of fluid reservoir, the second regulating valve 17 is opened, completes liquor charging
When process, the second regulating valve 17 is closed.
Specifically, the first liquid feeding pipeline 11 is connected to the lower section of feed pot 9, the second liquid feeding pipeline 14 is connected to feed pot 9
Top, the first liquid feeding pipeline 11 flows into from the bottom of feed pot 9 and carries out fluid infusion, and the solution in feed pot 9 leans on fluid from top
Power enters fluid reservoir 5；Feed pot 9 is added from the top of feed pot 9 in corrosion-mitigation scale-inhibition medicament, and the second liquid feeding pipeline 14, which is connected to, to be added
The top of batch can 9 enables corrosion-mitigation scale-inhibition medicament to rapidly enter fluid reservoir 5.
Further, conversion cycles return line 4, fluid reservoir 5 are connected between conversion cycles device 3 and fluid reservoir 5
Interior fluid is sent into conversion cycles device 3 by liquid-feeding pump 1, and fluid reservoir 5 is flowed back into after recycling in conversion cycles device 3
It is interior, guarantee recycling for fluid, reduces the generation of waste liquid in production process.Specifically, conversion cycles return line 4 and second
Liquid feeding pipeline 14 is connected on the same pipe interface of fluid reservoir 5.
The first evacuated tube road 12 is connected on feed pot 9, to keep pressure balance in feed pot 9.It is connected on fluid reservoir 5
There is the second evacuated tube road, guarantees the pressure balance in fluid reservoir 5.
The component 13 that feeds includes hopper and inlet valve, and hopper is set as funnel type structure, so that corrosion-mitigation scale-inhibition medicament adds, into
Expect that valve is used to regulate and control the on off operating mode between hopper and feed pot 9, guarantees to form confined space in feed pot 9.
Preferably, there are two inlet valve is set, including charging on-off valve and charging weighing valve, charging on-off valve are connected to hopper
Bottom, charging weighing valve are connected to the lower section of charging on-off valve, feed and are equipped with storing space between on-off valve and charging weighing valve.
When needing to add corrosion-mitigation scale-inhibition medicament into feed pot 9, closes charging weighing valve, opens charging on-off valve, from hopper to storing
It is fed in space, when charging weighing valve, which weighs the material in storing space, reaches setting weight, closes charging on-off valve, opens
Weighing valve is fed, the process to feed into feed pot 9 is completed.It feeds on-off valve and gate valve, charging can be selected in charging weighing valve
Gravity sensor is set on weighing valve.
Second liquid feeding pipeline 14 is connected to the top of fluid reservoir 5, enables the solution containing corrosion-mitigation scale-inhibition medicament in liquid storage
It is sufficiently merged in tank 5, the solution concentration in fluid reservoir 5 is uniform, and the entrance of liquid-feeding pump 1 connects liquor charging pipeline 8, and liquor charging pipeline 8 connects
Mixing, the dissolution for connecing the corrosion-mitigation scale-inhibition medicament in the lower section of fluid reservoir 5, the solution of 5 lower section of fluid reservoir are more uniform.
The top of fluid reservoir 5 is connected with overflow passage 6, guarantees the safety of fluid reservoir 5.First is equipped with below fluid reservoir 5
Drain line 7, overflow passage 6 and the first drain line 7 are all connected in sump pit.Third drain is connected on liquor charging pipeline 8
Pipeline 15, so that hydrops when equipment downtime in liquor charging pipeline 8 is discharged, third drain line 15 is also connected to sump pit
It is interior.
The lower section of feed pot 9 is connected with the second drain line 10, and the second drain line 10 is also connected in sump pit.First
It is each in the systems such as liquid feeding pipeline 11, the second liquid feeding pipeline 14, liquor charging pipeline 8, the first drain line 7, the second drain line 10
It is respectively connected with valve on a pipeline, for the on off operating mode of control piper.Several liquidometers are connected on fluid reservoir 5, so as to
The internal state of fluid reservoir 5 is monitored；It is also provided with manhole on fluid reservoir 5, is convenient for overhauling.
The specific work process of the present embodiment:
When not needing addition corrosion-mitigation scale-inhibition medicament, the liquid in fluid reservoir 5 continues to fill to conversion cycles by liquid-feeding pump 1
3 feedings are set, are flowed back into fluid reservoir 5 after the completion of circulation in conversion cycles device 3；
When needing to add corrosion-mitigation scale-inhibition medicament, the first liquid feeding pipeline 11 of the outlet connection of liquid-feeding pump 1 is opened, and the
One regulating valve 16 is opened to suitable aperture, and liquid a part in fluid reservoir 5 flows into conversion cycles by conversion cycles pipeline 2
Device 3, another part flow into feed pot 9 by the first liquid feeding pipeline 11；When liquid level reaches setting value in feed pot 9,
Liquid-feeding pump 1 stops conveying liquid into feed pot 9；Feed pot 9 adds suitable corrosion-mitigation scale-inhibition medicament by the component 13 that feeds, then
Secondary the first regulating valve 16 opened on the first liquid feeding pipeline 11, makes liquid-feeding pump 1 carry out liquor charging, the second regulating valve 17 to feed pot 9
It is connected to feed pot 9 and the second liquid feeding pipeline 14, the fluid in feed pot 9 is continuously arrived by the second liquid feeding pipeline 14 by hot water power
Liquid circulation flowing and utilization in fluid reservoir 5, in fluid reservoir 5.
The present embodiment changes traditional handicraft feature by increasing closed feed pot 9 newly and passes through liquid-feeding pump in feed pot 9
1 is sent into hot water, and hot water and corrosion-mitigation scale-inhibition medicament form hot water medicament, fluid of the hot water medicament in feed pot 9 in feed pot 9
Pressure is pressed into fluid reservoir 5, alleviates the labor intensity of field personnel, is reduced dust pollution, is saved a centrifugal pump
Operating cost, reduce PVC production cost, achieved the purpose that energy-saving.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
The concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " are meant that two
It is a or more than two.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of conversion cycles system for Production of PVC, which is characterized in that including liquid-feeding pump, feed pot and liquid storage
Tank, the entrance of the liquid-feeding pump connect the fluid reservoir, the outlet connection conversion cycles pipeline of the liquid-feeding pump and the first feed flow
Pipeline, the conversion cycles piping connection conversion cycles device, first liquid feeding pipeline connect the feed pot, the charging
Tank is connected to the fluid reservoir by the second liquid feeding pipeline, and charging component is connected on the feed pot.
2. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that described first supplies
The first regulating valve is connected on liquid pipeline.
3. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that described second supplies
The second regulating valve is connected on liquid pipeline.
4. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that described first supplies
Liquid pipeline is connected to the lower section of the feed pot, and second liquid feeding pipeline is connected to the top of the feed pot.
5. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that the feed pot
On be connected with the first evacuated tube road.
6. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that the charging group
Part includes hopper and inlet valve.
7. the conversion cycles system according to claim 6 for Production of PVC, which is characterized in that the inlet valve
Including charging on-off valve and charging weighing valve, storing space, institute are equipped between the charging on-off valve and the charging weighing valve
Charging on-off valve is stated to be set between the hopper and the charging weighing valve.
8. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that described second supplies
Liquid pipeline is connected to the top of the fluid reservoir, and the entrance of the liquid-feeding pump connects liquor charging pipeline, and the liquor charging pipeline is connected to
The lower section of the fluid reservoir.
9. the conversion cycles system according to claim 1 for Production of PVC, which is characterized in that the fluid reservoir
Top be connected with overflow passage.
10. being used for the conversion cycles system of Production of PVC described in -9 any one according to claim 1, feature exists
In the fluid reservoir memory heat storage fluid, the feed pot is set as enclosed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270177.XU CN209554897U (en) | 2018-12-29 | 2018-12-29 | Conversion cycles system for Production of PVC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822270177.XU CN209554897U (en) | 2018-12-29 | 2018-12-29 | Conversion cycles system for Production of PVC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209554897U true CN209554897U (en) | 2019-10-29 |
Family
ID=68306764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822270177.XU Active CN209554897U (en) | 2018-12-29 | 2018-12-29 | Conversion cycles system for Production of PVC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209554897U (en) |
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2018
- 2018-12-29 CN CN201822270177.XU patent/CN209554897U/en active Active
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