CN210532346U - Boiler electrolyte solution adding control system based on sulfur melting steam recovery device - Google Patents
Boiler electrolyte solution adding control system based on sulfur melting steam recovery device Download PDFInfo
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- CN210532346U CN210532346U CN201921588839.6U CN201921588839U CN210532346U CN 210532346 U CN210532346 U CN 210532346U CN 201921588839 U CN201921588839 U CN 201921588839U CN 210532346 U CN210532346 U CN 210532346U
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Abstract
The utility model discloses a boiler electrolyte solution adds control system based on molten sulfur steam recovery unit, including boiler (1), its characterized in that: the electrolyte input port of boiler (1) is connected with recovery jar body (A1) through comdenstion water output pipeline (A5) be provided with water pump (2) on comdenstion water output pipeline (A5 be provided with incrustation scale detection mechanism (3) in boiler (1), this incrustation scale detection mechanism (3) with power switch on water pump (2) power supply line is connected. Has the advantages that: the scale detection mechanism detects the scaling condition in the boiler in real time to control the amount of the added condensed water and realize real-time cleaning.
Description
Technical Field
The utility model belongs to the technical field of the sulfur melting tail gas utilization technique and specifically relates to a boiler electrolyte solution adds control system based on sulfur melting steam recovery unit.
Background
In the processing process of the boiler, because the energy conversion is realized by introducing liquid such as water and the like for a long time, the inner wall of the boiler can be scaled after long-term use. In order to overcome the above-mentioned drawbacks, the problem of scaling is overcome by adjusting the PH of the liquid, and the solution is generally kept weakly alkaline by adding alkaline substances or electrolytes to the boiler. Wherein, NaOH is generally added for adding alkali. Adding an electrolyte ITypically selected to contain SO22-、SO32-The solution of the isoelectric ions is added.
In the production process of melting solid sulfur into liquid sulfur by heating, a large amount of SO2 is generated when a large amount of steam is utilized for heating and melting sulfur2-、SO32-、SO42-Low temperature water vapor of isoelectric ions. People consider that after steam is condensed to obtain condensed water, the addition amount of the condensed water has specific requirements and limits due to process requirements. When the boiler is descaled, the boiler needs to be repeatedly detected at any time to adjust the increase of the condensed water.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a boiler electrolyte solution adds control system based on sulfur melting steam recovery unit adopts sulfur melting steam recovery unit to obtain the comdenstion water after condensing the steam that contains the electrolyte ion of production, combines incrustation scale detection mechanism to carry out real-time detection to the interior scale deposit condition of boiler, comes the volume of control increase comdenstion water, realizes the clearance in real time.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
the utility model provides a boiler electrolyte solution adds control system based on sulfur melting steam recovery unit, includes the boiler, the electrolyte input port of boiler is connected with the recovery jar body through condensate water output pipeline be provided with the water pump on the condensate water output pipeline be provided with incrustation scale detection mechanism in the boiler, this incrustation scale detection mechanism with power switch on the water pump power supply line is connected.
By adopting the scheme, the recovery tank body is used for recovering the steam in the steam to form condensed water. The scale detection mechanism detects the scaling condition in the boiler in real time to control the power supply of the water pump to be switched off, so that the increase of condensed water containing electrolyte is realized.
The further technical scheme is as follows: scale detection mechanism is including just to emitting diode D1 and photodiode D2 of setting, emitting diode D1 positive pole is through first resistance R1 power connection, emitting diode D1 negative pole ground connection, photodiode D2 positive pole power connection, photodiode D2 negative pole is connected with first triode Q1's base through second resistance R2, first triode Q1's collecting electrode power connection, first triode Q1's projecting pole is through first relay KM 1's coil ground connection, first relay KM 1's normally closed contact is connected on the power supply circuit of water pump.
By adopting the scheme, the light-emitting diode D1 and the photosensitive diode D2 are arranged oppositely and arranged in the boiler, and under the condition of no scaling, the photosensitive diode D2 can receive the light emitted by the light-emitting diode D1, so that electrolyte condensate does not need to be added at the moment. At the moment, the coil of the first relay KM is electrified, the normally closed contact of the first relay KM1 is disconnected, and the water pump does not work when the power is not supplied. When the photosensitive diode D2 does not receive light, the boiler is considered to be scaled, the coil of the first relay KM1 loses power, the normally closed contact of the first relay KM1 is in a closed state, the power supply circuit of the water pump continuously supplies power, and the water pump starts to pump water.
Still further description be connected with the water supply pipeline on retrieving the jar body, be used for to retrieve jar body and pour into soft water into retrieve jar body and connect steam conduit in addition on retrieving jar body be connected with the steam shower nozzle on steam conduit's the output, this steam shower nozzle stretches into in retrieving jar internal soft water retrieve jar body top is connected with gas output pipeline, the comdenstion water output pipeline is connected retrieve jar body bottom.
By adopting the scheme, the water delivery pipeline is used for injecting soft water into the recovery tank body, when steam enters the tank body through the steam nozzle, the steam is cleaned by the water body and condensed for a short time, and part of the steam forms condensed water. The rest gas containing part of residual temperature is discharged through a gas output pipeline. The steam is sulfur melting steam and contains electrolyte solution, which can remove scale in the pan. Compared with a flash tank adopted in the prior art, the risk of sudden reduction of the steam temperature can be effectively avoided, the steam temperature is reduced slowly, and the loss is reduced.
According to a further technical scheme, the steam nozzle comprises a nozzle cavity, N air outlet branch heads are evenly arranged on the outer wall of the nozzle cavity, all the air outlet branch heads are communicated with the nozzle cavity, one end, far away from the nozzle cavity, of each air outlet branch head is an air outlet end, the end portion of the air outlet end of each air outlet branch head is in an arc shape protruding outwards, and an air outlet hole is formed in the end portion of the air outlet end of each air outlet branch head.
Adopt above-mentioned scheme, the venthole sets up the end tip of giving vent to anger at circular-arc branch head of giving vent to anger, when steam shower nozzle stretched into the liquid of retrieving the jar body, because hydraulic pressure effect on every side, the end of giving vent to anger in hole is oppressed and is diminished, makes inside liquid is difficult for entering into the shower nozzle, and gaseous discharge that can be easy.
According to a further technical scheme, a demisting filter element is transversely arranged between the steam pipeline in the recovery tank body and the gas output pipeline.
Adopt the defogging to filter the core, utilize the hydrophobic characteristic of defogging filter core, when making steam pass the defogging filter core, gas passes through easily, and small liquid drop then stops on the defogging filter core, and the volume is few many, drips into behind the formation liquid drop and retrieves jar body bottom, mixes with the condensate. Further drying of the discharged gas is achieved. By adopting the structure, all residual temperatures in the steam can be effectively prevented from being exhausted.
The further technical scheme is as follows: a float switch is arranged between the demisting filter core and the condensed water output pipeline, a low liquid level ball head of the float switch faces the demisting filter core, a high liquid level ball head of the float switch faces the condensed water output pipeline, and the low liquid level ball is arranged at the lower part of the high liquid level ball;
one end of the low liquid level floating ball is connected with a power supply, the other end of the low liquid level floating ball is grounded after passing through a coil of a relay KA1, one end of the high liquid level floating ball is connected with the power supply, and the other end of the high liquid level floating ball is grounded after passing through a coil of a relay KA 2;
the normally open switch of the relay KA1 and the normally open switch of the relay KA2 are sequentially connected in series on an automatic power supply line of the water pump, the normally open switch of the relay KA2 is grounded after passing through the relay KM2, a first normally open switch of the relay KM2 is connected in parallel to two ends of the normally open switch of the relay KA2, and a second normally open switch of the relay KM2 is connected in series on the power supply line of the water pump;
the relay KM2 coil still is provided with the manual power supply circuit of water pump, is provided with normally closed button SB1 and moves button SB2 at the manual power supply circuit of water pump, it has in parallel to move button SB2 both ends the third normally open switch of relay KM 2.
Through set up float switch in retrieving the jar internal, wherein, the setting is invertd to low liquid level floater, and when the liquid level was less than the low liquid level of settlement, its low liquid level floater disconnection that corresponds to relay KA1 loses the electricity, and the water pump is out of work. When the liquid level is higher than the set high liquid level, after the high liquid level floating ball and the low liquid level floating ball are closed, the coil of the relay KA1 and the coil of the relay KA2 are electrified, so that the corresponding normally open switch is closed, and the coil of the relay KM2 is electrified. If the incrustation scale detection mechanism detects incrustation scale, the switch of the power supply circuit of the water pump is in a closed state, and the water pump starts to supply power to pump water. And intelligent control of water pumping is realized.
The still further technical scheme is that the water supply pipeline is arranged between the demisting filter element and the steam pipeline and comprises a water inlet section, an extending section, a reciprocating section and an extending section, the water inlet section is respectively connected with the extending section and the extending section, the reciprocating section is connected between the extending section and the extending section, the reciprocating section is arranged in the recovery tank body, and at least one water outlet hole is formed in the reciprocating section.
Wherein, reciprocal section is stainless steel material, adopts above-mentioned scheme, sets up the water pipe circulation, through the water to the pipeline cooling, carries out the secondary condensation to the steam that rises. The stainless steel is adopted, so that the heat conduction is accelerated, and the temperature of the pipeline is kept to be lower all the time.
In order to realize one-way water supply, the extending section and the extending section are both provided with one-way valves.
The utility model has the advantages that: the recovery tank body is used for recovering the water vapor in the steam to form condensed water. The scale detection mechanism detects the scaling condition in the boiler in real time to control the power supply of the water pump to be switched off, so that the increase of condensed water containing electrolyte is realized. The water supply pipeline is used for injecting soft water into the recovery tank body, and after steam enters the tank body through the steam nozzle, the steam is cleaned by the water body and condensed for a short time, and part of the steam forms condensed water. The rest gas containing part of residual temperature is discharged through a gas output pipeline. The steam is sulfur melting steam and contains electrolyte solution, which can remove scale in the pan. Compared with a flash tank adopted in the prior art, the risk of sudden reduction of the steam temperature can be effectively avoided, the steam temperature is reduced slowly, and the loss is reduced. And the automatic water pumping control is realized by combining liquid level detection.
Drawings
Fig. 1 is a schematic diagram of a system connection structure of the present invention;
FIG. 2 is a schematic diagram of B of FIG. 1;
FIG. 3 is a schematic diagram of structure C of FIG. 2;
FIG. 4 is a schematic diagram of a water pump circuit configuration;
FIG. 5 is a schematic diagram of the structure A in FIG. 1;
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As can be seen from fig. 1 and 5, a boiler electrolyte solution adding control system based on a sulfur melting vapor recovery device comprises a boiler 1, and the key technology lies in that: an electrolyte input port of the boiler 1 is connected with a recovery tank A1 through a condensed water output pipeline A5, a water pump 2 is arranged on the condensed water output pipeline A5, a scale detection mechanism 3 is arranged in the boiler 1, and the scale detection mechanism 3 is connected with a power supply switch on a power supply circuit of the water pump 2.
As can be seen from fig. 4, the scale detection mechanism 3 includes the light emitting diode D1 and the photosensitive diode D2 just setting up, the positive pole of the light emitting diode D1 is connected with the power supply through the first resistor R1, the negative pole of the light emitting diode D1 is grounded, the positive pole of the photosensitive diode D2 is connected with the power supply, the negative pole of the photosensitive diode D2 is connected with the base of the first triode Q1 through the second resistor R2, the collector of the first triode Q1 is connected with the power supply, the emitter of the first triode Q1 is grounded through the coil of the first relay KM1, and the normally closed contact of the first relay KM1 is connected on the power supply line of the water pump 2.
As can be seen from fig. 1 and 5, a water supply pipeline a2 is connected to the recovery tank a1 for supplying soft water to the recovery tank a1, a connecting steam pipeline A3 is further connected to the recovery tank a1, a steam nozzle a4 is connected to an output end of the steam pipeline A3, the steam nozzle a4 extends into the soft water in the recovery tank a1, a gas output pipeline A6 is connected to a top of the recovery tank a1, and the condensed water output pipeline a5 is connected to a bottom of the recovery tank a 1.
In this embodiment, as can be seen in connection with fig. 1, the gas outlet duct a6 is further provided with a spiral tube, which is fixed via a fixing bracket. The sampling spiral pipe can lengthen the length of the gas discharge pipeline, so that redundant steam is condensed in the pipe section to form water drops to flow back.
In this embodiment, a pressure detector is further provided on the recovery tank a1 for detecting the pressure inside the tank in real time. Avoid too high water pressure, atmospheric pressure in leading to the jar body because the liquid level, vapor can't carry to jar internal.
In this embodiment, a drain pipe is further provided at the bottom of the recovery tank body a1, and a drain valve is provided on the drain pipe, so that manual drainage is performed when the liquid level is too high and the water pump does not work.
As can be seen from fig. 1 to 3, the steam nozzle a4 includes a nozzle cavity a41, N air outlet branch heads a42 are uniformly disposed on an outer wall of the nozzle cavity a41, all the air outlet branch heads a42 are communicated with the nozzle cavity a41, an air outlet end is disposed at an end of the air outlet branch head a42 away from the nozzle cavity a41, an end of the air outlet branch head a42 is in an arc shape protruding outward, and an air outlet hole is disposed at an end of the air outlet branch head a 42.
In the present embodiment, N is 20.
As can be seen from fig. 1, a demisting filter element a7 is transversely arranged between the steam pipeline A3 and the gas output pipeline a6 in the recovery tank body a 1.
In this embodiment, the defogging filter element is a SiC hydrophobic filter element.
As can be seen from fig. 1, a float switch is disposed between the defogging filter element a7 and the condensed water output pipe a5, a low liquid level float ball head of the float switch faces the defogging filter element a7, a high liquid level float ball head of the float switch faces the condensed water output pipe a5, and the low liquid level float ball is disposed below the high liquid level float ball.
As can be seen from fig. 4, one end of the low liquid level floating ball is connected with the power supply, the other end of the low liquid level floating ball is grounded through the coil of the relay KA1, one end of the high liquid level floating ball is connected with the power supply, and the other end of the high liquid level floating ball is grounded through the coil of the relay KA 2; the normally open switch of the relay KA1 and the normally open switch of the relay KA2 are sequentially connected in series on an automatic power supply line of the water pump, the normally open switch of the relay KA2 is grounded after passing through the relay KM2, a first normally open switch of the relay KM2 is connected in parallel at two ends of the normally open switch of the relay KA2, and a second normally open switch of the relay KM2 is connected in series on the power supply line of the water pump 2; the relay KM2 coil still is provided with the manual power supply circuit of water pump, is provided with normally closed button SB1 and moves button SB2 at the manual power supply circuit of water pump, it has in parallel to move button SB2 both ends the third normally open switch of relay KM 2.
In this embodiment, as can also be seen from fig. 1, the water supply pipeline a2 is disposed between the defogging filter element a7 and the steam pipeline A3, the water supply pipeline a2 includes a water inlet section, an extending section, a reciprocating section, and an extending section, the water inlet section is connected to the extending section and the extending section respectively, the reciprocating section is connected between the extending section and the extending section, the reciprocating section is disposed in the recovery tank body a1, and 18 water outlets are disposed on the reciprocating section.
In this embodiment, the reciprocating section is stainless steel.
In this embodiment, the extending section and the extending section are both provided with one-way valves.
Claims (9)
1. The utility model provides a boiler electrolyte solution adds control system based on molten sulfur steam recovery unit, includes boiler (1), its characterized in that: the electrolyte input port of boiler (1) is connected with recovery jar body (A1) through comdenstion water output pipeline (A5) be provided with water pump (2) on comdenstion water output pipeline (A5 be provided with incrustation scale detection mechanism (3) in boiler (1), this incrustation scale detection mechanism (3) with power switch on water pump (2) power supply line is connected.
2. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 1, characterized in that: scale detection mechanism (3) are including just to emitting diode D1 and photosensitive diode D2 of setting, emitting diode D1 positive pole is through first resistance R1 power connection, emitting diode D1 negative pole ground connection, photosensitive diode D2 positive pole power connection, photosensitive diode D2 negative pole is connected with first triode Q1's base through second resistance R2, first triode Q1's collecting electrode power connection, first triode Q1's projecting pole is through first relay KM 1's coil ground connection, first relay KM 1's normally closed contact is connected on the power supply circuit of water pump (2).
3. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 1 or 2, characterized in that: be connected with water supply pipeline (A2) on retrieving jar body (A1), be used for to retrieve jar body (A1) injection soft water retrieve jar body (A1) on still connecting steam conduit (A3), be connected with steam nozzle (A4) on the output of steam conduit (A3), this steam nozzle (A4) stretches into in retrieving the soft water in jar body (A1) retrieve jar body (A1) top and be connected with gaseous output pipeline (A6), condensed water output pipeline (A5) is connected retrieve jar body (A1) bottom.
4. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 3, characterized in that: steam nozzle (A4) includes shower nozzle cavity (A41), evenly is provided with N branch head (A42) of giving vent to anger on the outer wall of this shower nozzle cavity (A41), all branch head (A42) of giving vent to anger all with shower nozzle cavity (A41) communicates with each other, branch head (A42) of giving vent to anger is kept away from the one end of shower nozzle cavity (A41) is for giving vent to anger the end, and the end portion of giving vent to anger of this branch head (A42) is outside bellied circular-arc the venthole has been seted up to the end portion of giving vent to anger of branch head (A42).
5. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 4, characterized in that: a demisting filter element (A7) is transversely arranged between the steam pipeline (A3) and the gas output pipeline (A6) in the recovery tank body (A1).
6. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 5, characterized in that: a float switch is arranged between the demisting filter core (A7) and the condensed water output pipeline (A5), a low liquid level float ball head of the float switch faces the demisting filter core (A7), a high liquid level float ball head of the float switch faces the condensed water output pipeline (A5), and the low liquid level float ball is arranged at the lower part of the high liquid level float ball;
one end of the low liquid level floating ball is connected with a power supply, the other end of the low liquid level floating ball is grounded after passing through a coil of a relay KA1, one end of the high liquid level floating ball is connected with the power supply, and the other end of the high liquid level floating ball is grounded after passing through a coil of a relay KA 2;
the normally open switch of the relay KA1 and the normally open switch of the relay KA2 are sequentially connected in series on an automatic power supply line of the water pump, the normally open switch of the relay KA2 is grounded after passing through the relay KM2, a first normally open switch of the relay KM2 is connected in parallel to two ends of the normally open switch of the relay KA2, and a second normally open switch of the relay KM2 is connected in series on the power supply line of the water pump (2);
the relay KM2 coil still is provided with the manual power supply circuit of water pump, is provided with normally closed button SB1 and moves button SB2 at the manual power supply circuit of water pump, it has in parallel to move button SB2 both ends the third normally open switch of relay KM 2.
7. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 5, characterized in that: the water supply pipeline (A2) is arranged between the demisting filter element (A7) and the steam pipeline (A3), the water supply pipeline (A2) comprises a water inlet section, an extending section, a reciprocating section and an extending section, the water inlet section is respectively connected with the extending section and the extending section, the reciprocating section is connected between the extending section and the extending section, the reciprocating section is arranged in the recovery tank body (A1), and at least one water outlet hole is formed in the reciprocating section.
8. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 7, characterized in that: the reciprocating section is made of stainless steel material.
9. The boiler electrolyte solution addition control system based on a molten sulfur vapor recovery device according to claim 7, characterized in that: and the extending section are both provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588839.6U CN210532346U (en) | 2019-09-20 | 2019-09-20 | Boiler electrolyte solution adding control system based on sulfur melting steam recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588839.6U CN210532346U (en) | 2019-09-20 | 2019-09-20 | Boiler electrolyte solution adding control system based on sulfur melting steam recovery device |
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| CN210532346U true CN210532346U (en) | 2020-05-15 |
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| CN201921588839.6U Active CN210532346U (en) | 2019-09-20 | 2019-09-20 | Boiler electrolyte solution adding control system based on sulfur melting steam recovery device |
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