CN206943018U - A kind of Molten sulphur pot type self-priming apparatus - Google Patents
A kind of Molten sulphur pot type self-priming apparatus Download PDFInfo
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- CN206943018U CN206943018U CN201720851589.5U CN201720851589U CN206943018U CN 206943018 U CN206943018 U CN 206943018U CN 201720851589 U CN201720851589 U CN 201720851589U CN 206943018 U CN206943018 U CN 206943018U
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- centrifugal pump
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- steam
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Abstract
A kind of Molten sulphur pot type self-priming apparatus, including suction line, spray can, centrifugal pump and outlet line;Suction line feed end is located in Molten sulphur reservoir, and suction line discharge end is connected with spray can charging aperture, and spray can discharging opening is connected with centrifugal pump charging aperture, and centrifugal pump discharging opening is connected with outlet line;The pump housing of suction line, spray can and centrifugal pump uses double-decker, and gap is left between double-decker, annular incubation cavity is equipped with the pump cover and mechanical seal cover of centrifugal pump;Steam is incubated using single channel series connection lead-in mode, the annular incubation cavity imported successively in double-decker gap, centrifugal pump cover and the mechanical seal cover of suction line, spray can and centrifugal pump body;Centrifugal pump uses centrifugal pump of horizontal axis or vertical centrifugal pump;Sulphur filling mouth is respectively arranged with jet tank, sulphur unloads outlet, liquid level gauge, thermometer and observation window;When centrifugal pump uses centrifugal pump of horizontal axis, centrifugal pump body bottom is provided with remaining molten sulfur outlet.
Description
Technical field
The utility model belongs to Molten sulphur conveying technology field, is filled more particularly to a kind of Molten sulphur pot type self-priming
Put.
Background technology
Sulphur is a kind of poisonous and hazardous industrial chemicals, and sulphur is solid-state at normal temperatures, after sulphur reaches fusing point, will be become
For liquid.In addition, the viscosity of Molten sulphur can also change with the change of temperature.In sulphur incipient melting, Molten sulphur is glued
Degree can decline with the rise of temperature, when temperature is more than 159 DEG C, the viscosity of Molten sulphur again can with the rise of temperature and
It increased dramatically, when temperature reaches 190 DEG C, the viscosity of Molten sulphur reaches maximum, continues to raise with temperature afterwards, liquid
The viscosity of body sulphur starts to decline again, and state when being restored to incipient melting.Therefore, in order to facilitate the conveying of Molten sulphur,
Would generally be by the temperature control of Molten sulphur between 130 DEG C~160 DEG C, the Molten sulphur of this temperature range has minimum glue
Degree, thus most beneficial for the transport of Molten sulphur.
At present, the transport that long shaft submerged pump carries out Molten sulphur is commonly used, but because the specific physical that sulphur has is special
Property, once long shaft submerged pump is stopped, the Molten sulphur remained in pump and in transport line can coagulate because temperature declines
Form solid-state, and because having retained solid sulfur in pump and in transport line, it can cause to open pump difficulty again, also result in machinery
Bad seals.And when long shaft submerged pump is maintained, it is necessary to long shaft submerged pump integrally to be removed to Molten sulphur reservoir, in pump and
The sulphur of residual can solidify quickly in pipeline, for the remaining sulphur in drain pump and in pipeline, at least need to blow by steam
These remaining sulphur can just be emptied by sweeping one night of fusing, very time-consuming.In addition, there is maintenance inconvenience and fault rate in long shaft submerged pump
The characteristics of high, and pump shaft vibration is swung greatly and easily by dielectric corrosion, while sliding bearing is also perishable in pump and wears, once pump
Interior sliding bearing is dry grinded, and very big potential safety hazard will appear as well.
Utility model content
The problem of existing for prior art, the utility model provide a kind of Molten sulphur pot type self-priming apparatus, first will
Pot type self priming pump (spray can+centrifugal pump) introduces Molten sulphur transportation art, the utility model is provided with easy to maintenance and event
The characteristics of barrier rate is low, and the temperature of Molten sulphur can be to be fully ensured in whole transportation, can effectively avoid because
There is rapid decrease in Molten sulphur temperature after pump is stopped, and effectively prevents from forming solid sulfur in pump and in transport line,
Avoid causing opening the difficult situation appearance of pump again.
To achieve these goals, the utility model adopts the following technical scheme that:A kind of Molten sulphur pot type self-priming apparatus,
Including suction line, spray can, centrifugal pump and outlet line;The feed end of the suction line is located in Molten sulphur reservoir,
The discharge end of suction line is connected with the charging aperture of spray can, and the discharging opening of spray can is connected with the charging aperture of centrifugal pump,
The discharging opening of centrifugal pump is connected with outlet line;The suction line uses double-layer tube wall structure, is stayed between double-layer tube wall
There is gap, the first insulation vapor inlet port is provided with the discharge end body of suction line, in the charging end pipe of suction line
It is provided with the first insulation steam outlet on body, the gap between the double-layer tube wall of suction line passes through the first insulation steam and inputted
Mouth imports insulation steam;The spray can uses double layers of tank body structure, gap is left between double layers of tank body, in the tank of spray can
Body top is provided with the second insulation vapor inlet port, and the tank body lower part of spray can is provided with the second insulation steam outlet, penetrated
The gap flowed between the double layers of tank body of tank imports insulation steam by the second insulation vapor inlet port;The pump housing of the centrifugal pump is adopted
With double-layer shell structure, gap is left between double Shell, it is defeated that the 3rd insulation steam is respectively arranged with the housing of the pump housing
Entrance and the 3rd insulation steam outlet, the gap between the double Shell of the pump housing, which passes through the 3rd insulation vapor inlet port and imported, to be protected
Warm steam;First annular incubation cavity is provided with the pump cover of the centrifugal pump, the 4th insulation steam is respectively arranged with pump cover
Input port and the 4th insulation steam outlet, first annular incubation cavity import insulation steam by the 4th insulation vapor inlet port;
The second annular incubation cavity is provided with the mechanical seal cover of the centrifugal pump, the 5th is respectively arranged with mechanical seal cover
Vapor inlet port and the 5th insulation steam outlet are incubated, the second annular incubation cavity is imported by the 5th insulation vapor inlet port and protected
Warm steam.
Steam is incubated using single channel series connection lead-in mode, the lead-in path for being incubated steam is:First insulation vapor inlet port
Gap → first between the double-layer tube wall of → suction line is incubated steam outlet → second and is incubated vapor inlet port → jet
Gap → second between the double layers of tank body of tank is incubated the double shells that steam outlet → 3rd is incubated vapor inlet port → pump housing
Insulation vapor inlet port → first annular incubation cavity → 4th of the insulation steam outlet of gap between body → 3rd → 4th protects
Warm steam outlet → 5th is incubated the annular incubation cavity of vapor inlet port → the second → 5th and is incubated steam outlet.
The centrifugal pump uses centrifugal pump of horizontal axis or vertical centrifugal pump.
Sulphur is provided with the top of the spray can and loads mouth, jet pot bottom unloads outlet provided with sulphur.
Liquid level gauge is installed on the tank body of the spray can.
Thermometer or temperature sensor are installed on the tank body of the spray can.
Observation window is provided with the tank body of the spray can.
When the centrifugal pump uses centrifugal pump of horizontal axis, the pump housing bottom of centrifugal pump is provided with remaining molten sulfur outlet.
Filter is installed in the feed end of the suction line.
When environment temperature is too low, heating coil is set up in the spray can.
The beneficial effects of the utility model:
Molten sulphur pot type self-priming apparatus of the present utility model, pot type self priming pump (spray can+centrifugal pump) is introduced first
Molten sulphur transportation art, the utility model is set to be provided with the characteristics of easy to maintenance and fault rate is low, and the temperature of Molten sulphur
Degree can be to be fully ensured in whole transportation, can effectively avoid Molten sulphur temperature after being stopped because of pump from occurring soon
Speed declines, and effectively prevents from forming solid sulfur in pump and in transport line, avoids causing opening the difficult situation appearance of pump again.
Brief description of the drawings
Fig. 1 is a kind of Molten sulphur pot type self-priming apparatus (using centrifugal pump of horizontal axis) structural representation of the present utility model;
Fig. 2 is a kind of Molten sulphur pot type self-priming apparatus (using vertical centrifugal pump) structural representation of the present utility model;
In figure, 1-suction line, 2-spray can, 3-outlet line, 4-Molten sulphur reservoir, the 5-the first insulation steaming
Vapour input port, the 6-the first insulation steam outlet, the 7-the second insulation vapor inlet port, the 8-the second insulation steam outlet,
9-pump housing, the 10-the three insulation vapor inlet port, the 11-the three insulation steam outlet, 12-pump cover, 13-first annular guarantor
Warm chamber, the 14-the four insulation vapor inlet port, the 15-the four insulation steam outlet, 16-mechanical seal cover, 17-the second
Annular incubation cavity, the 18-the five insulation vapor inlet port, the 19-the five insulation steam outlet, 20-vertical centrifugal pump, 21-
Sulphur loads mouth, and 22-sulphur unloads outlet, 23-liquid level gauge, 24-thermometer, 25-observation window, and 26-remaining molten sulfur is discharged
Mouthful, 27-filter.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of Molten sulphur pot type self-priming apparatus, including suction line 1, spray can 2, centrifugal pump and go out
Mouth pipeline 3;The feed end of the suction line 1 is located in Molten sulphur reservoir 4, discharge end and the spray can 2 of suction line 1
Charging aperture is connected, and the discharging opening of spray can 2 is connected with the charging aperture of centrifugal pump, discharging opening and the outlet line 3 of centrifugal pump
It is connected;The suction line 1 uses double-layer tube wall structure, and gap is left between double-layer tube wall, in the discharging of suction line 1
The first insulation vapor inlet port 5 is provided with end pipe body, the first insulation steam is provided with the feed end body of suction line 1
Delivery outlet 6, the gap between the double-layer tube wall of suction line 1 pass through the first insulation vapor inlet port 5 and import insulation steam;It is described
Spray can 2 uses double layers of tank body structure, and gap is left between double layers of tank body, the tank body top of spray can 2 is provided with second
Vapor inlet port 7 is incubated, the tank body lower part of spray can 2 is provided with the second insulation steam outlet 8, the double-layer tank of spray can 2
Gap between body imports insulation steam by the second insulation vapor inlet port 7;The pump housing 9 of the centrifugal pump uses double Shell
Structure, gap is left between double Shell, the 3rd insulation vapor inlet port 10 and the are respectively arranged with the housing of the pump housing 9
Three insulation steam outlets 11, the gap between the double Shell of the pump housing 9 pass through the 3rd insulation vapor inlet port 10 and import insulation
Steam;First annular incubation cavity 13 is provided with the pump cover 12 of the centrifugal pump, the 4th insulation is respectively arranged with pump cover 12
Vapor inlet port 14 and the 4th is incubated steam outlet 15, and first annular incubation cavity 13 is led by the 4th insulation vapor inlet port 14
Enter to be incubated steam;The second annular incubation cavity 17 is provided with the mechanical seal cover 16 of the centrifugal pump, in mechanical seal cover
The 5th insulation vapor inlet port 18 and the 5th is respectively arranged with 16 and is incubated steam outlet 19, the second annular incubation cavity 17 passes through
5th insulation vapor inlet port 18 imports insulation steam.
Be incubated steam is using single channel series connection lead-in mode, insulation steam lead-in path:First insulation vapor inlet port 5 →
Gap → first between the double-layer tube wall of suction line 1 is incubated steam outlet 6 → the second and is incubated 7 → jet of vapor inlet port
Gap → second between the double layers of tank body of tank 2 is incubated steam outlet 8 → 3rd and is incubated the double of 10 → pump housing of vapor inlet port 9
Gap → 3rd between layer housing is incubated steam outlet 11 → 4th and is incubated vapor inlet port 14 → first annular incubation cavity
13 → the 4th insulation steam outlet 15 → 5th, which is incubated the annular incubation cavity 17 of vapor inlet port 18 → the second → 5th and be incubated, to steam
Vapour delivery outlet 19.
The centrifugal pump uses centrifugal pump of horizontal axis or vertical centrifugal pump 20.
The top of spray can 2 is provided with sulphur and loads mouth 21, and outlet 22 is unloaded in the bottom of spray can 2 provided with sulphur.
Liquid level gauge 23 is installed on the tank body of the spray can 2.
Thermometer 24 or temperature sensor are installed on the tank body of the spray can 2.
Observation window 25 is provided with the tank body of the spray can 2.
When the centrifugal pump uses centrifugal pump of horizontal axis, the bottom of the pump housing 9 of centrifugal pump is provided with remaining molten sulfur outlet 26.
Filter 27 is installed in the feed end of the suction line 1, filtered out by filter 27 miscellaneous in Molten sulphur
Matter.
When environment temperature is too low, heating coil is set up in the spray can 2.
Illustrate first use process of the present utility model below in conjunction with the accompanying drawings:
Before centrifugal pump is started, first protected according to insulation steam lead-in path from the first insulation vapor inlet port 5 to the 5th
Warm steam outlet 19 is connected in series, and the first insulation vapor inlet port 5 connects with the steam outlet of outside heating network
It is logical, and the Steam Recovery mouth of the 5th insulation steam outlet 19 and outside heating network is connected.
By the steam outlet export insulation steam of outside heating network, and inlet tube will be imported into successively by being incubated steam
Gap between the double-layer tube wall of line 1, the gap between the double layers of tank body of spray can 2, the pump housing 9 double Shell between
In gap, 13 and second annular incubation cavity 17 of first annular incubation cavity.
Mouth 21 is loaded by the sulphur at the top of spray can 2 sulphur is added into tank, the servicing fluids directly into tank can be selected
Body sulphur, solid sulfur can also be first added into tank, then be heated by the insulation steam in the double layers of tank body gap of spray can 2
Solid sulfur, until solid sulfur is slowly molten into liquid.
Start centrifugal pump, Molten sulphur will pass through suction line 1, spray can 2 and centrifugal pump successively in Molten sulphur reservoir 4
Discharged afterwards from outlet line 3, in whole Molten sulphur transportation, whole process is all by insulation steam to suction line 1, spray can
2 and centrifugal pump be incubated, prevent in transportation Molten sulphur to be condensed because temperature reduces.
In Molten sulphur transportation, liquid in spray can 2 can be monitored in real time by thermometer 24 or temperature sensor
The temperature of sulphur, further according to the temperature data of actual measurement, the temperature of Molten sulphur is adjusted by adjusting insulation steam supply amount, is made
Molten sulphur is in optimal flow state all the time.
In Molten sulphur transportation, liquid sulfur in spray can 2 can be monitored in real time by liquid level gauge 23 and observation window 25
The liquid level of sulphur, when liquid level is too low, simultaneously termination of pumping can be found in time, avoid centrifuging pump depletion and mechanical seal dry wear
It is bad.
Further, temperature sensor and the signal of liquid level gauge monitoring can realize remote monitoring for delivery to control room, once hair
The liquid level of Molten sulphur is too low in existing spray can 2 or temperature is too low, and Remote termination of pumping or adjustment steam air demand can be achieved, from
And realize the Automated condtrol of whole pot type self-priming apparatus.
In addition, after centrifugal pump of horizontal axis termination of pumping, insulation steam needs to continue supply a period of time, prevents the pump housing of centrifugal pump
9th, pump cover 12 and mechanical seal cover 16 quickly lose temperature, remaining molten sulfur outlet 26 are then turned on, by liquid sulfur remaining in pump
Sulphur is expelled in external molten sulfur storage tank or other containers, prevents remnants Molten sulphur from being condensed in pump, and then avoid the occurrence of again
It is secondary to open the difficult situation of pump.
Scheme in embodiment simultaneously is not used to limit scope of patent protection of the present utility model, all without departing from the utility model
Carried out by equivalence enforcement or change, be both contained in the scope of the claims of this case.
Claims (10)
- A kind of 1. Molten sulphur pot type self-priming apparatus, it is characterised in that:Including suction line, spray can, centrifugal pump and outlet Line;The feed end of the suction line is located in Molten sulphur reservoir, the discharge end of suction line and the charging aperture phase of spray can Connection, the discharging opening of spray can are connected with the charging aperture of centrifugal pump, and the discharging opening of centrifugal pump is connected with outlet line;It is described Suction line uses double-layer tube wall structure, and gap is left between double-layer tube wall, is set on the discharge end body of suction line There is the first insulation vapor inlet port, the first insulation steam outlet, inlet tube are provided with the feed end body of suction line Gap between the double-layer tube wall of line imports insulation steam by the first insulation vapor inlet port;The spray can uses double-layer tank Body structure, leaves gap between double layers of tank body, and the tank body top of spray can is provided with the second insulation vapor inlet port, penetrated The tank body lower part of stream tank is provided with the second insulation steam outlet, and the gap between the double layers of tank body of spray can passes through the second insulation Vapor inlet port imports insulation steam;The pump housing of the centrifugal pump uses double-layer shell structure, between being left between double Shell Gap, the 3rd insulation vapor inlet port and the 3rd insulation steam outlet, the bilayer of the pump housing are respectively arranged with the housing of the pump housing Gap between housing imports insulation steam by the 3rd insulation vapor inlet port;First is provided with the pump cover of the centrifugal pump Annular incubation cavity, the 4th insulation vapor inlet port and the 4th insulation steam outlet are respectively arranged with pump cover, it is first annular Incubation cavity imports insulation steam by the 4th insulation vapor inlet port;Second is provided with the mechanical seal cover of the centrifugal pump Annular incubation cavity, the 5th insulation vapor inlet port and the 5th insulation steam outlet are respectively arranged with mechanical seal cover, Second annular incubation cavity imports insulation steam by the 5th insulation vapor inlet port.
- A kind of 2. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:Insulation steam uses single channel Series connection lead-in mode, the lead-in path for being incubated steam are:Between the double-layer tube wall of first insulation vapor inlet port → suction line The insulation vapor inlet port → spray can of the insulation of gap → first steam outlet → second double layers of tank body between gap → Gap → 3rd that second insulation steam outlet → 3 is incubated between the double Shell of vapor inlet port → pump housing, which is incubated, to steam Vapour delivery outlet → 4th, which is incubated vapor inlet port → first annular incubation cavity → 4th and is incubated steam outlet → 5th and is incubated, to steam The annular incubation cavity of vapour input port → the second → 5th is incubated steam outlet.
- A kind of 3. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:The centrifugal pump is using sleeping Formula centrifugal pump or vertical centrifugal pump.
- A kind of 4. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:Set at the top of the spray can There is sulphur to load mouth, jet pot bottom unloads outlet provided with sulphur.
- A kind of 5. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:In the tank of the spray can Liquid level gauge is installed on body.
- A kind of 6. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:In the tank of the spray can Thermometer or temperature sensor are installed on body.
- A kind of 7. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:In the tank of the spray can Observation window is provided with body.
- A kind of 8. Molten sulphur pot type self-priming apparatus according to claim 3, it is characterised in that:The centrifugal pump is using sleeping During formula centrifugal pump, the pump housing bottom of centrifugal pump is provided with remaining molten sulfur outlet.
- A kind of 9. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:In the suction line Feed end is provided with filter.
- A kind of 10. Molten sulphur pot type self-priming apparatus according to claim 1, it is characterised in that:When environment temperature is too low When, heating coil is set up in the spray can.
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CN201720851589.5U CN206943018U (en) | 2017-07-14 | 2017-07-14 | A kind of Molten sulphur pot type self-priming apparatus |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108362357A (en) * | 2018-04-23 | 2018-08-03 | 江苏省盐海化工有限公司 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
CN108953162A (en) * | 2018-10-18 | 2018-12-07 | 辽宁格瑞特泵业有限公司 | A kind of Self-priming device of centrifugal pump for easy crystal medium |
CN109026746A (en) * | 2018-08-22 | 2018-12-18 | 陈明增 | A kind of centrifugal pump medium stores up technique in advance |
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2017
- 2017-07-14 CN CN201720851589.5U patent/CN206943018U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108362357A (en) * | 2018-04-23 | 2018-08-03 | 江苏省盐海化工有限公司 | Pure oxygen method sulfur furnace liquid-state sulfur liquid level emasuring device |
CN108362357B (en) * | 2018-04-23 | 2024-02-13 | 江苏省盐海化工有限公司 | Liquid sulfur level measuring device of pure oxygen method sulfur incinerator |
CN109026746A (en) * | 2018-08-22 | 2018-12-18 | 陈明增 | A kind of centrifugal pump medium stores up technique in advance |
CN109026746B (en) * | 2018-08-22 | 2020-07-28 | 陈明增 | Medium prestorage process of centrifugal pump |
CN108953162A (en) * | 2018-10-18 | 2018-12-07 | 辽宁格瑞特泵业有限公司 | A kind of Self-priming device of centrifugal pump for easy crystal medium |
CN108953162B (en) * | 2018-10-18 | 2024-02-06 | 辽宁格瑞特泵业有限公司 | Self-priming device of centrifugal pump for medium easy to crystallize |
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