CN216144003U - Boiler water cooler for reducing outlet temperature of product gas compressor - Google Patents
Boiler water cooler for reducing outlet temperature of product gas compressor Download PDFInfo
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- CN216144003U CN216144003U CN202122056740.5U CN202122056740U CN216144003U CN 216144003 U CN216144003 U CN 216144003U CN 202122056740 U CN202122056740 U CN 202122056740U CN 216144003 U CN216144003 U CN 216144003U
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Abstract
The utility model discloses a boiler water cooler for reducing the temperature of an outlet of a product gas compressor, and relates to the technical field of application of chemical production equipment. The utility model reduces the temperature of the boiler feed water by using the boiler water cooler, and injects the cooled boiler feed water into the product gas compressor, thereby effectively reducing the outlet temperature of the product gas compressor, delaying the generation and accumulation of dirt inside the product gas compressor and in a pipeline, and further reducing the vibration value of the compressor.
Description
Technical Field
The utility model relates to the technical field of chemical production equipment application, in particular to a boiler water cooler for reducing the temperature of an outlet of a gas compressor of a PDH device product.
Background
Product gas compressor of PDH device is under long-time operational aspect, the discharge temperature of each section of compressor constantly risees, the condition that constantly increases also appears in compressor power, some unsaturated compound can be at the inside formation polymer of compressor in the product gas, the polymer of formation can follow the material to the inside surface migration of compressor, adsorb equipment and pipeline internal surface formation dirt such as compressor surface and compressor intersegmental heat exchanger, along with the constantly rising of temperature, the dirt of formation also can be more and more, if do not take measures, in a long time, the dirt can be amassed more and more, the temperature is more and more, form vicious circle, the vibration of compressor also can grow gradually, finally influence the temperature operation of product gas compressor.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a boiler water cooler for reducing the outlet temperature of a product gas compressor, which not only reduces the outlet temperature of the product gas compressor, but also reduces the vibration value of the compressor, thereby overcoming the disadvantages of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a reduce boiler water cooler of product gas compressor exit temperature, includes boiler feed water inlet pipe, boiler water cooler, boiler feed water outlet pipe way, circulating water inlet pipe and circulating water return water pipeline, and boiler feed water inlet pipe links to each other with boiler water cooler shell side entry, and boiler feed water outlet pipe says and links to each other with boiler water cooler shell side export, and circulating water inlet pipe says and links to each other with boiler water cooler shell side entry, and circulating water return water pipeline links to each other with boiler water cooler shell side export.
As a preferable scheme, the boiler water cooler adopts a shell-and-tube heat exchanger.
As a preferable scheme, a pressure controller is arranged on the boiler feed water inlet pipeline.
As a preferable scheme, a pressure gauge and a thermometer are arranged on the boiler water supply and outlet pipeline.
As a preferred scheme, a circulating water upper water hand valve is arranged on the circulating water upper water pipeline, and a circulating water return hand valve and a circulating water return thermometer are arranged on the circulating water return pipeline.
As a preferable scheme, a bypass pipeline is arranged between the front end of a circulating water feeding hand valve of the circulating water feeding pipeline and the rear end of a circulating water returning hand valve of the circulating water returning pipeline, and a bypass valve is arranged on the bypass pipeline.
As a preferable scheme, a first shell pass high-point exhaust valve and a first pipe pass high-point exhaust valve are arranged at the upper part of the boiler water cooler, and a second shell pass low-point liquid discharge valve and a second pipe pass low-point liquid discharge valve are arranged at the bottom of the boiler water cooler.
When the device works, circulating water is introduced into the boiler water cooler, the temperature of boiler feed water is reduced through heat exchange between the circulating water and the boiler feed water, and the cooled boiler feed water is injected into a product gas compressor suction pipeline, so that the aims of reducing the outlet temperature of the product gas compressor and reducing the vibration value of the compressor are fulfilled, and the product gas compressor is kept to run stably for a long period.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and concretely, according to the technical scheme, the boiler water cooler is used for reducing the temperature of the boiler feed water, the cooled boiler feed water is injected into the product gas compressor, the outlet temperature of the product gas compressor is effectively reduced, and the generation and accumulation of dirt inside the product gas compressor and in a pipeline are delayed, so that the vibration value of the compressor is reduced. Through measurement and comparison, after the boiler water cooler of the PDH device is put into use, the outlet temperature of the product gas compressor is reduced by 3 ℃ compared with the initial starting stage, the vibration value of the compressor shaft is reduced by 1 mu m compared with the initial starting stage, and the product gas compressor keeps stable operation.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of a boiler water cooler for reducing the outlet temperature of a product gas compressor in accordance with an embodiment of the present invention.
The attached drawings indicate the following:
1. boiler feed water inlet pipe 2 and pressure controller
3. Boiler water cooler 4, manometer
5. Thermometer 6, boiler water supply outlet pipe
7. Circulating water upper water pipeline 8 and circulating water return pipeline
9. A first shell pass high-point exhaust valve 10 and a first shell pass low-point drain valve
11. A second pipe stroke high-point exhaust valve 12 and a second pipe stroke low-point drain valve
13. Circulating water upper water hand valve 14 and circulating water return hand valve
15. A bypass valve 16 and a circulating return water thermometer.
Detailed Description
Referring to fig. 1, a specific structure of a preferred embodiment of the present invention is shown, which is a boiler feed water cooler for reducing the outlet temperature of a product gas compressor, the boiler feed water cooler is used for a product gas compressor suction pipeline of a PDH apparatus. The structure of the boiler water cooling system comprises a boiler water feeding inlet pipeline 1, a pressure controller 2, a boiler water cooler 3, a pressure gauge 4, a thermometer 5, a boiler water feeding outlet pipeline 6, a circulating water upper water pipeline 7 and a circulating water return pipeline 8. The boiler water feeding and water feeding pipeline 1, the boiler water cooler 3 and the boiler water feeding and water discharging pipeline 6 are connected in sequence through flanges.
It should be noted that the boiler water cooler 3 is a shell-and-tube heat exchanger, a first shell-side high-point exhaust valve 9 and a first shell-side low-point liquid discharge valve 10 are arranged on the shell side of the boiler water cooler 3, and a second tube-side high-point exhaust valve 11 and a second tube-side low-point liquid discharge valve 12 are arranged on the tube side of the boiler water cooler 3. The first shell pass high-point exhaust valve 9 and the second tube pass high-point exhaust valve 11 are used for exhausting gas in the service stage of the boiler water cooler 3; a first shell-side low-point liquid discharge valve 10 and a second tube-side low-point liquid discharge valve 12 for discharging liquid in the shutdown stage of the boiler water cooler 3.
Wherein, boiler feed water inlet pipe 1 links to each other with the shell side entry of boiler water cooler 3, and boiler feed water outlet pipe 6 links to each other with the 3 shell side exports of boiler water cooler, and circulating water inlet pipe 7 links to each other with 3 tube side entries of boiler water cooler, and circulating water return pipe 8 links to each other with 3 tube side exports of boiler water cooler. The boiler feed water exchanges heat with circulating water in the boiler water cooler 3, and the cooled boiler feed water enters the product gas compressor through the boiler feed water outlet pipeline 6 and is used for reducing the outlet temperature of the product gas compressor.
The boiler water feeding inlet pipeline 1 is provided with a pressure controller 2 for controlling the boiler water feeding pressure and preventing the overpressure of equipment. The boiler feed water outlet pipe 6 is provided with a pressure gauge 4 and a thermometer 5, and the thermometer 5 is used for detecting the temperature of the boiler feed water after cooling.
The circulating water upper water pipeline 7 is provided with a circulating water upper water hand valve 13, and the circulating water return pipeline 8 is provided with a circulating water return hand valve 14 and a circulating water return thermometer 16, and is used for adjusting the flow rate of circulating water so as to control the temperature of the boiler after water supply is cooled.
Preferably, a bypass pipeline is arranged at the front end of the circulating water feeding hand valve 13 of the circulating water feeding pipeline 7 and the rear end of the circulating water returning hand valve 4 of the circulating water returning pipeline 8, and a bypass valve 15 is arranged on the bypass pipeline. When the device is used for starting and stopping, the boiler water cooler 3 can be independently cut off, and the operation of a circulating water system pipe network of the device is not influenced.
The working principle of the utility model is as follows:
when the boiler water cooler 3 is put into use, the circulating water upper water valve 13 and the circulating water return valve 14 of the boiler water cooler are opened firstly, the tube pass high-point exhaust valve 11 is opened, non-condensable gas in the tube pass of the boiler water cooler is discharged at a high point, and the boiler water cooler 3 is prevented from forming air resistance to influence the heat exchange effect. Then the boiler feed water is led into a boiler water cooler 3, the pressure of the boiler feed water is controlled to be 2.5Mpa through a pressure controller 2, and the cooled boiler feed water is led into a product gas compressor suction pipeline step by step.
In summary, the design of the present invention is characterized in that the boiler water cooler 3 cools the boiler feed water with a temperature of 103 ℃ to a temperature of 40 ℃, the cooled boiler feed water is introduced into a product gas compressor suction pipeline of the PDH device, and the inlet temperature of the product gas compressor is reduced by using the principle of throttling and cooling the feed water of the high-pressure boiler, so as to achieve the effect of reducing the outlet temperature of the product gas compressor. After the boiler water cooler is used, the outlet temperature of a product gas compressor of the PDH device is reduced by 3 ℃ compared with the initial starting stage, the vibration value of the compressor shaft is reduced by 1 mu m compared with the initial starting stage, and the product gas compressor keeps stable operation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. The utility model provides a reduce boiler water cooler of product gas compressor exit temperature which characterized in that: including boiler feedwater inlet channel (1), boiler water cooler (3), boiler feedwater outlet conduit (6), circulating water inlet channel (7) and circulating water return water pipeline (8), boiler feedwater inlet channel (1) links to each other with boiler water cooler (3) shell side entry, boiler feedwater outlet conduit (6) link to each other with boiler water cooler (3) shell side export, circulating water inlet channel (7) link to each other with boiler water cooler (3) tube side entry, circulating water return water pipeline (8) link to each other with boiler water cooler (3) tube side export.
2. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 1, wherein: the boiler water cooler adopts a shell-and-tube heat exchanger.
3. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 1, wherein: and a pressure controller (2) is arranged on the boiler water feeding and water inlet pipeline (1).
4. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 1, wherein: and a pressure gauge (4) and a thermometer (5) are arranged on the boiler water supply and outlet pipeline (6).
5. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 1, wherein: and a circulating water upper water hand valve (13) is arranged on the circulating water upper water pipeline (7), and a circulating water return hand valve (14) and a circulating water return thermometer (16) are arranged on the circulating water return pipeline (8).
6. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 5, wherein: and a bypass pipeline is arranged between the front end of the circulating water feeding hand valve (13) of the circulating water feeding pipeline (7) and the rear end of the circulating water return hand valve (14) of the circulating water return pipeline (8), and a bypass valve (15) is arranged on the bypass pipeline.
7. The boiler water cooler for reducing the outlet temperature of a product gas compressor as claimed in claim 2, wherein: the boiler water cooler is characterized in that a first shell pass high-point exhaust valve (9) and a first tube pass high-point exhaust valve (11) are arranged at the upper part of the boiler water cooler, and a second shell pass low-point liquid discharge valve (10) and a second tube pass low-point liquid discharge valve (12) are arranged at the bottom of the boiler water cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122056740.5U CN216144003U (en) | 2021-08-30 | 2021-08-30 | Boiler water cooler for reducing outlet temperature of product gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122056740.5U CN216144003U (en) | 2021-08-30 | 2021-08-30 | Boiler water cooler for reducing outlet temperature of product gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144003U true CN216144003U (en) | 2022-03-29 |
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ID=80810195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122056740.5U Active CN216144003U (en) | 2021-08-30 | 2021-08-30 | Boiler water cooler for reducing outlet temperature of product gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144003U (en) |
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2021
- 2021-08-30 CN CN202122056740.5U patent/CN216144003U/en active Active
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