CN218781272U - Waste heat boiler leakage detection device - Google Patents
Waste heat boiler leakage detection device Download PDFInfo
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- CN218781272U CN218781272U CN202222856455.6U CN202222856455U CN218781272U CN 218781272 U CN218781272 U CN 218781272U CN 202222856455 U CN202222856455 U CN 202222856455U CN 218781272 U CN218781272 U CN 218781272U
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Abstract
The utility model relates to a boiler equipment operation technical field is a waste heat boiler leak testing device, it includes waste heat boiler, leak testing jar and cooling tank, waste heat boiler top intercommunication has steam line, the inside spiral cooling line that is provided with of cooling tank, the outside is provided with the cooling jacket, the intercommunication has steam sample pipeline between sampling port and the spiral cooling line, the intercommunication has feed liquor detection pipeline between spiral cooling line and the leak testing jar, the cooling jacket is imported and exported respectively the intercommunication has circulating water pipeline on water and circulating water return water pipeline, the intercommunication has the liquid recovery pipeline between leak testing jar and the waste heat boiler. The utility model has the advantages of reasonable and compact structure, convenient to use, it can produce the noncondensable gas that exists in the steam to waste heat boiler and carry out the sample analysis, effectively detects out whether waste heat boiler leaks and let out leakage quantity, makes steam condensate recovery recycle simultaneously, reduces wasting of resources and environmental pollution.
Description
Technical Field
The utility model relates to a boiler equipment operation technical field is a waste heat boiler leak testing device.
Background
The pressure of the process gas on the tube side of the thermal boiler is higher than that of the steam on the shell side, and the process gas contains water-insoluble gas. If the waste heat boiler leaks, the process gas leaks into the shell pass of the waste heat boiler to form a mixture with the produced steam, the steam mixed gas is led out by the sampling pipe, then is cooled by circulating water to form a condensate, the volume is reduced, the pressure is reduced, and the condensate is led out of the sampling tubule in a steam-liquid mixture state. The vapor mixture will be continuously withdrawn by the sampling device.
The gas-liquid mixture is continuously extracted and then enters the leakage detection tank, simple gas-liquid separation is realized in the tank, non-condensable gas is continuously accumulated to the top of the tank, and the condensed liquid is sent out along with a bottom pipeline. As the gas (steam) pressure basically does not change along with the height, the medium flow is easy to be unsmooth in the processes of sampling, cooling, liquid separation and backflow, thereby influencing the normal detection. Meanwhile, the condensate which needs to be sampled is continuously discharged during the existing detection, so that the waste of water resources is large, and the requirements of zero emission and sustainable development of chemical enterprises are not met.
Disclosure of Invention
The utility model provides a waste heat boiler leak testing device has overcome above-mentioned prior art not enough, and it can effectively solve current steam mixture sampling and have the medium flow unsmooth, the condensate is arranged outward and is caused the water waste not environmental protection problem yet.
The technical scheme of the utility model is realized through following measure: a waste heat boiler leakage detection device comprises a waste heat boiler, a leakage detection tank and a cooling tank, wherein the top of the waste heat boiler is fixedly communicated with a steam pipeline, a sampling port is arranged on the steam pipeline, a spiral cooling pipeline is arranged in the cooling tank, a cooling jacket is arranged outside the cooling tank, a steam sample injection pipeline is fixedly communicated between the sampling port and the inlet of the spiral cooling pipeline, a liquid inlet detection pipeline is fixedly communicated between the outlet of the spiral cooling pipeline and the inlet of the lower part of the leakage detection tank, a circulating water upper water pipeline is fixedly communicated with the inlet of the cooling jacket, a circulating water return pipeline is fixedly communicated with the outlet of the cooling jacket, a sampling port is arranged at the top of the leakage detection tank, a sampling pipeline is fixedly communicated with the sampling port, a sampling valve is fixedly arranged on the sampling pipeline, a liquid recovery pipeline is fixedly communicated between the outlet of the bottom of the leakage detection tank and the inlet of the lower part of the waste heat boiler, the liquid recovery pipeline is a pi-shaped bent pipe, the outlet of the spiral cooling pipeline and the inlet of the lower part of the leakage detection tank are arranged at the same height level, and the outlet of the spiral cooling pipeline and the inlet of the lower part of the leakage detection tank are higher than the outlet of the liquid recovery pipeline by more than 2000 mm.
The following are further optimization or/and improvement on the technical scheme of the utility model:
the steam sampling pipeline is fixedly provided with a steam inlet valve, and the liquid recovery pipeline is fixedly provided with a recovery valve.
The top of the pi-shaped elbow is fixedly communicated with an exhaust pipeline, and an exhaust valve is fixedly installed on the exhaust pipeline.
The upper part of the leakage detection tank is provided with a pressure gauge and a liquid level meter.
A thermometer is fixedly arranged at the inlet of the liquid inlet detection pipeline.
The outlet at the bottom of the cooling tank is fixedly communicated with a sewage discharge pipeline, and a sewage discharge valve is fixedly installed on the sewage discharge pipeline.
The utility model discloses can produce the noncondensable gas that exists in the steam to waste heat boiler and carry out the sample analysis, can effectually detect out whether leak out waste heat boiler to can roughly calculate the size of letting out leakage quantity, realize the requirement that steam condensate is not arranged outward simultaneously, reduce wasting of resources and environmental pollution.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
The codes in fig. 1 are: the system comprises a waste heat boiler 1, a leakage detection tank 2, a cooling tank 3, a steam pipeline 4, a spiral cooling pipeline 5, a steam sample injection pipeline 6, a liquid inlet detection pipeline 7, a circulating water upper water pipeline 8, a circulating water return pipeline 9, a sampling pipeline 10, a sampling valve 11, a liquid recovery pipeline 12, a steam inlet valve 13, a recovery valve 14, an exhaust pipeline 15, an exhaust valve 16, a pressure gauge 17, a liquid level gauge 18, a thermometer 19, a sewage discharge pipeline 20 and a sewage discharge valve 21.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, the used devices and apparatuses are all known and used in the art unless otherwise specified.
In the present invention, for convenience of description, the description of the relative position relationship of each component is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention will be further described with reference to the following examples and drawings:
example 1: as shown in fig. 1, the device for detecting the leakage of the waste heat boiler comprises a waste heat boiler 1, a leakage detection tank 2 and a cooling tank 3, wherein a steam pipeline 4 is fixedly communicated with the top of the waste heat boiler 1, a sampling port is arranged on the steam pipeline 4, a spiral cooling pipeline 5 is arranged inside the cooling tank 3, a cooling jacket is arranged outside the cooling tank 3, a steam sample injection pipeline 6 is fixedly communicated between the sampling port and an inlet of the spiral cooling pipeline 5, a liquid inlet detection pipeline 7 is fixedly communicated between an outlet of the spiral cooling pipeline 5 and an inlet of the lower part of the leakage detection tank 2, an inlet of the cooling jacket is fixedly communicated with an upper circulating water pipeline 8, an outlet of the cooling jacket is fixedly communicated with a return circulating water pipeline 9, a sampling port is arranged on the top of the leakage detection tank 2, a sampling pipeline 10 is fixedly communicated with the sampling port, a sampling valve 11 is fixedly arranged on the sampling pipeline 10, a liquid recovery pipeline 12 is fixedly communicated between an outlet of the bottom of the leakage detection tank 2 and an inlet of the lower part of the waste heat boiler 1, the liquid recovery pipeline 12 is a pi-shaped elbow, an outlet of the spiral cooling pipeline 5 and an inlet of the lower part of the leakage detection tank 2 are arranged at the same height level as that the inlet of the same level as the inlet of the lower part of the spiral cooling pipeline 12, and are more than 2000 mm.
The leakage detection device of the waste heat boiler can be further optimized or/and improved according to actual needs:
example 2: it differs from example 1 in that: as shown in the attached figure 1, a steam inlet valve 13 is fixedly arranged on the steam sample inlet pipeline 6, and a recovery valve 14 is fixedly arranged on the liquid recovery pipeline 12.
Example 3: it differs from examples 1 to 2 in that: as shown in fig. 1, the top of the pi-shaped elbow is fixedly communicated with an exhaust pipe 15, and an exhaust valve 16 is fixedly mounted on the exhaust pipe 15.
Example 4: it differs from examples 1 to 3 in that: as shown in FIG. 1, a pressure gauge 17 and a liquid level gauge 18 are provided on the upper portion of the leak detection tank 2.
Example 5: it differs from examples 1 to 4 in that: as shown in the attached figure 1, a thermometer 19 is fixedly arranged at the inlet of the liquid inlet detection pipeline 7.
Example 6: it differs from examples 1 to 5 in that: as shown in the attached figure 1, a blowdown pipeline 20 is fixedly communicated with an outlet at the bottom of the cooling tank 3, and a blowdown valve 21 is fixedly arranged on the blowdown pipeline 20.
The utility model discloses a cooling tank 3, leak testing jar 2, liquid recovery pipeline 12 separate noncondensable gas behind the steam condensation with waste heat boiler 1 to realize storing up, adopting, the analysis work of noncondensable gas, provide the basis for the judgement that waste heat boiler 1 leaked, and utilize the steam static pressure and the height potential difference of condensate water to be power, ensure that the flow medium smoothly flows, reach the requirement that steam congeals liquid and not arrange outward simultaneously, reduce the wasting of resources.
The utility model discloses an opening the sample connection at waste heat boiler 1's steam line 4's peak, waste heat boiler, 1 steam through steam sampling pipeline 6 get into cooling tank 3's spiral cooling line 5 in, become the steam condensate through pressing from both sides cover circulating water cooling to the normal atmospheric temperature, get into leak detection jar 2, the noncondensable gas in the steam condensate accumulates at leak detection jar 2 tops, the condensate is along with liquid recovery pipeline 12 through pi type return bend, collection to waste heat boiler 1 flows back again. However, if the waste heat boiler 1 does not leak, gas cannot be accumulated in the leak detection tank 2, and the condensate level in the leak detection tank 2 does not drop. If the condensate liquid level in the leakage detection tank 2 drops, the leakage of the waste heat boiler 1 can be preliminarily judged. If leakage exists, the leakage amount of the waste heat boiler 1 can be roughly judged according to the descending speed of the liquid level. When the liquid level is reduced to the lowest liquid level, an operator can use the gas sampler to sample and analyze the non-condensable gas.
The operation method of the utility model is as follows: the method comprises the steps of closing a recovery valve 14 on a liquid recovery pipeline 12, opening a sampling valve 11 on a sampling pipeline 10 and an exhaust valve 16 on an exhaust pipeline 15, cooling steam extracted through a steam sampling pipeline 6 in a cooling tank 3, then entering a leakage detection tank 2, closing the sampling valve 16 and the exhaust valve 11 in sequence after the sampling valve 16 and the exhaust valve 11 are drained, then opening the recovery valve 14, enabling condensate to enter the liquid recovery pipeline 12, and starting leakage detection. The gauge 18 now shows a full scale.
After the start of the input detection, the regular inspection and observation liquid level meter 18 observes the liquid level descending condition of the leakage detection tank 2, and if the liquid level of the leakage detection tank 2 does not descend, the waste heat boiler 1 does not leak. If the liquid level of the leakage detection tank 2 has a descending trend, the time point and the liquid level scale are recorded, and the amount of the non-condensable gas accumulated in the leakage detection tank 2 in unit time can be calculated by multiplying the descending liquid level amount of the leakage detection tank 2 in unit time by the cross sectional area of the sub-leakage detection tank 2 through the sectional area of the cylindrical body of the leakage detection tank 2. After the liquid level of the leakage detection tank 2 is reduced by 10cm from the full range, sampling and analyzing by adopting a bladder, roughly calculating according to the calculation method of the unit steam leakage amount of the prior known waste heat boiler 1 in unit time, and calculating the leakage amount of the unit steam amount of the waste heat boiler 1 in unit time.
Above technical characteristic has constituted the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical characteristic according to actual need, satisfies the demand of different situation.
Claims (10)
1. A waste heat boiler leakage detection device is characterized by comprising a waste heat boiler, a leakage detection tank and a cooling tank, wherein the top of the waste heat boiler is fixedly communicated with a steam pipeline, a sampling port is formed in the steam pipeline, a spiral cooling pipeline is arranged in the cooling tank, a cooling jacket is arranged outside the cooling tank, a steam sample injection pipeline is fixedly communicated between the sampling port and the inlet of the spiral cooling pipeline, a liquid inlet detection pipeline is fixedly communicated between the outlet of the spiral cooling pipeline and the inlet of the lower portion of the leakage detection tank, a circulating water upper pipeline is fixedly communicated with the inlet of the cooling jacket, a circulating water return pipeline is fixedly communicated with the outlet of the cooling jacket, a sampling port is formed in the top of the leakage detection tank, the sampling port is fixedly communicated with a sampling pipeline, a sampling valve is fixedly installed on the sampling pipeline, a liquid recovery pipeline is fixedly communicated between the outlet of the bottom of the leakage detection tank and the inlet of the lower portion of the waste heat boiler, the liquid recovery pipeline is a pi-shaped bent pipe, the outlet of the spiral cooling pipeline and the inlet of the lower portion of the leakage detection tank are arranged at the same height level, and the outlet of the spiral cooling pipeline and the inlet of the lower portion of the leakage detection tank are more than the outlet of the liquid recovery pipeline by 2000 mm.
2. The waste heat boiler leak detection device of claim 1, wherein the steam inlet line is fixedly provided with a steam inlet valve, and the liquid recovery line is fixedly provided with a recovery valve.
3. The waste heat boiler leakage detecting device according to claim 1 or 2, characterized in that the top of the pi-shaped elbow is fixedly communicated with an exhaust pipeline, and an exhaust valve is fixedly mounted on the exhaust pipeline.
4. The waste heat boiler leakage detecting apparatus according to claim 1 or 2, wherein a pressure gauge and a liquid level gauge are provided at an upper portion of the leakage detecting tank.
5. The waste heat boiler leakage detecting apparatus according to claim 3, wherein a pressure gauge and a liquid level gauge are provided at an upper portion of the leakage detecting tank.
6. The waste heat boiler leakage detecting device according to claim 1, 2 or 5, characterized in that a thermometer is fixedly installed at the inlet of the liquid inlet detecting line.
7. The waste heat boiler leakage detecting device of claim 3, wherein a thermometer is fixedly installed at the inlet of the liquid inlet detection pipeline.
8. The waste heat boiler leakage detecting device of claim 4, wherein a thermometer is fixedly installed at the inlet of the liquid inlet detection pipeline.
9. The waste heat boiler leakage detection device of claim 1, 2, 5, 7 or 8, wherein the outlet at the bottom of the cooling tank is fixedly communicated with a sewage discharge pipeline, and a sewage discharge valve is fixedly arranged on the sewage discharge pipeline.
10. The waste heat boiler leakage detecting device of claim 4, wherein the outlet at the bottom of the cooling tank is fixedly communicated with a sewage draining pipeline, and a sewage draining valve is fixedly arranged on the sewage draining pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856455.6U CN218781272U (en) | 2022-10-28 | 2022-10-28 | Waste heat boiler leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856455.6U CN218781272U (en) | 2022-10-28 | 2022-10-28 | Waste heat boiler leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218781272U true CN218781272U (en) | 2023-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222856455.6U Active CN218781272U (en) | 2022-10-28 | 2022-10-28 | Waste heat boiler leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218781272U (en) |
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2022
- 2022-10-28 CN CN202222856455.6U patent/CN218781272U/en active Active
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