CN203488983U - Pipe network delivery system for internal compression process oxygenerator - Google Patents
Pipe network delivery system for internal compression process oxygenerator Download PDFInfo
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- CN203488983U CN203488983U CN201320521479.4U CN201320521479U CN203488983U CN 203488983 U CN203488983 U CN 203488983U CN 201320521479 U CN201320521479 U CN 201320521479U CN 203488983 U CN203488983 U CN 203488983U
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- automatic regulating
- regulating valve
- valve
- heat exchanger
- conveyance conduit
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Abstract
The utility model discloses a pipe network delivery system for an internal compression process oxygenator and belongs to the technical field of air separation equipment. The pipe network delivery system for an internal compression process oxygenator comprises a delivery pipeline, an air separation delivery valve and an adjustment device, wherein the oxygen output opening of a plate heat exchanger is connected with the adjustment device through the delivery pipeline and the air separation delivery valve. The pipe network delivery system for an internal compression process oxygenator can be used for accurately adjusting the pressure of oxygen in a pipe network, so that the plate heat exchanger can work stably, and stable operation of an air separator is guaranteed.
Description
Technical field
The utility model relates to air separation equipment technical field, particularly a kind of interior compression process oxygenerator pipe network transmitting system.
Background technique
At present a lot of Iron And Steel Plant adopt large-scale space division device, and for the empty minute flow process of large-scale interior compression, the oxygen pressure that send that user requires is 1.6MPa-4.0Mpa, send oxygen amount generally very large.Cryogenic liquid pump is set for this reason within cold insulated cabinet and improves liquid oxygen pressure, after main heat exchanger re-heat, deliver to user, oxygen is sent mode and is generally a road and send oxygen, and diffuse on a road.Because the techniques such as Iron And Steel Plant's steel-making, ironmaking are discontinuous to the demand of oxygen, so ductwork pressure fluctuation is large, conventionally adopts and regulates the variation of diffusing to follow ductwork pressure, makes plate type heat exchanger pressure stability.But for large-scale iron and steel enterprise, the iron and steel enterprise that is particularly furnished with large steel-making plant, because oxygen consuming amount is large, simultaneously discontinuous again, therefore cause the pressure surge of oxygen pipe network large, and is furnished with large-scale interior compression process oxygenerator simultaneously, according to sending traffic requirement, it is larger that its oxygen is sent valve design bore, be difficult to accomplish very high degree of regulation, therefore, this heavy caliber oxygen is sent valve and cannot be changed and carry out fine adjustment according to ductwork pressure, the problem that inevitably produces overshoot or lag behind and regulate in the process regulating, cause oxygen to send flowed fluctuation larger, affect the stable operation of space division system operating mode.
Model utility content
Technical problem to be solved in the utility model be to provide a kind of can fine adjustment pipe network in the pressure of oxygen, make plate type heat exchanger stable operation, guaranteed the interior compression process oxygenerator pipe network transmitting system of empty minute stable operation.
For solving the problems of the technologies described above, the utility model provides a kind of interior compression process oxygenerator pipe network transmitting system, for the internally oxygen output of the plate type heat exchanger of compression process oxygenerator; Described system comprises that conveyance conduit, sky dispense out valve and controlling device; Described sky dispenses out the entry end that valve is positioned at described plate type heat exchanger; The outlet end of plate type heat exchanger is connected with described controlling device by described conveyance conduit; Described controlling device comprises heavy caliber automatic regulating valve and small-bore automatic regulating valve; Described heavy caliber automatic regulating valve is connected with described plate type heat exchanger outlet end by described conveyance conduit respectively with the entry end of described small-bore automatic regulating valve, and the outlet end of described heavy caliber automatic regulating valve and described small-bore automatic regulating valve interconnects.
Further, in the utility model, compression process oxygenerator pipe network transmitting system also comprises atmospheric valve, and the entry end of described atmospheric valve is connected with the entry end of described small-bore automatic regulating valve by conveyance conduit; The outlet end of described atmospheric valve is by conveyance conduit emptying.
Further, in the utility model, compression process oxygenerator pipe network transmitting system also comprises the first pressure tester and the second pressure tester; Described the first pressure tester is arranged between the outlet end of described plate type heat exchanger and the entry end of described heavy caliber automatic regulating valve by conveyance conduit; Described the second pressure tester is connected with the outlet end of described heavy caliber automatic regulating valve by conveyance conduit
Further, in the utility model, compression process oxygenerator pipe network transmitting system also comprises flowmeter, and described flowmeter is arranged between described heavy caliber automatic regulating valve and described the first pressure tester by conveyance conduit.
The interior compression process oxygenerator pipe network transmitting system that the utility model provides, by conveyance conduit delivering oxygen, sky dispenses out valve and by the first pressure tester, oxygen infusion is arrived to controlling device via plate type heat exchanger; By the small-bore automatic regulating valve in controlling device and heavy caliber automatic regulating valve, oxygen is sent, because small-bore automatic regulating valve regulates fluctuation frequent, oxygen sendout changes in amplitude is less, therefore pressure that can accurate adjustment oxygen, make plate type heat exchanger stable operation, guaranteed empty minute stable operation.
Accompanying drawing explanation
The structural representation of the interior compression process oxygenerator pipe network transmitting system that Fig. 1 provides for the utility model embodiment.
Embodiment
Referring to Fig. 1, the utility model embodiment provides a kind of interior compression process oxygenerator pipe network transmitting system, comprises that conveyance conduit, sky dispense out valve 7 and controlling device.Wherein, sky dispenses out the entry end that valve 7 is positioned at plate type heat exchanger 3.The outlet end of plate type heat exchanger 3 is connected with controlling device by conveyance conduit.Controlling device comprises heavy caliber automatic regulating valve 5 and small-bore automatic regulating valve 11.Heavy caliber automatic regulating valve 5 is connected with the outlet end of plate type heat exchanger 3 by conveyance conduit respectively with the entry end of small-bore automatic regulating valve 11, and heavy caliber automatic regulating valve 5 interconnects with the outlet end of small-bore automatic regulating valve 11.The adjusting fluctuation of small-bore automatic regulating valve 11 is frequent, and sendout changes in amplitude is less, can fine adjustment pipe network in the pressure of oxygen.In the utility model embodiment, compression process oxygenerator pipe network transmitting system also comprises the first pressure tester 9 and the second pressure tester 6.The first pressure tester 9 is arranged on sky by conveyance conduit and dispenses out between the outlet end of valve 7 and the entry end of heavy caliber automatic regulating valve 5.The second pressure tester 6 is connected with the outlet end of heavy caliber automatic regulating valve 5 by conveyance conduit.Sky dispenses out valve 7 and the chain control each other of plate type heat exchanger 3 flows, by flowmeter 8, tests.In the utility model embodiment, compression process oxygenerator pipe network transmitting system also comprises atmospheric valve 10, and the entry end of atmospheric valve 10 is connected with the entry end of small-bore automatic regulating valve 11 by conveyance conduit; The outlet end of described atmospheric valve 10 is by conveyance conduit emptying, for regulating oxygen pressure.
In using the utility model embodiment, during compression process oxygenerator pipe network transmitting system, oxygen infusion amount is generally 75000Nm
3/ h, in order to meet maximum oxygen pneumatic transmission output 98500Nm
3the requirement of/h, need to be forced into 3MPa by liquid oxygen pump by the liquid oxygen in the liquid oxygen storage tank of interior compression process oxygenerator pipe network transmitting system, and the liquid oxygen import 4 with liquid form by plate type heat exchanger 3 enters plate type heat exchanger 3.Simultaneously, high pressure nitrogen enters plate type heat exchanger 3 by the nitrogen inlet 1 of plate type heat exchanger 3, liquid oxygen through with high pressure nitrogen heat exchange after, oxygen is converted into gaseous state by liquid state and sends, high pressure nitrogen is discharged by the nitrogen outlet 2 of plate type heat exchanger 3, and the cold recovery of liquid oxygen is to air separation facility.Due to the oxygen of the present embodiment, sending mode is to send into plate type heat exchanger after the liquid oxygen in liquid oxygen tank is pressurizeed by liquid oxygen pump to carry out sending after re-heat vaporization, therefore sendout increase suddenly can cause the liquid oxygen amount through board-like re-heat to increase suddenly, its high pressure nitrogen that shows as plate type heat exchanger 3 drag flows is large to plate type heat exchanger 3 bottom heat exchange amount calibration constants, plate type heat exchanger 3 bottom temps are low, therefore enter space division system cold sudden fast rush, the empty minute stable operation of impact.Now by flowmeter 8, detect, sky dispenses out valve 7 and the chain control each other of plate type heat exchanger 3 flows, and sky dispenses out valve 7 interlockings take sky and dispense out flow as control, and the valve that sky dispenses out valve 7 turns down, and has improved like this temperature of plate type heat exchanger 3 bottoms.Oxygen sendout reduces suddenly to cause the liquid oxygen amount through board-like re-heat to reduce suddenly, and the high pressure nitrogen of plate type heat exchanger 3 drag flows is little to plate type heat exchanger 3 bottom heat exchange amount calibration constants, causes plate type heat exchanger 3 bottom temps risings, pressure to raise; By flowmeter 8, detect, sky dispenses out valve 7 and the chain control each other of plate type heat exchanger 3 flows, and sky dispenses out valve 7 interlockings take sky and dispense out flow as control, and sky dispenses out the valve of valve 7 and opens greatly, the temperature that has reduced like this plate type heat exchanger 3 bottoms, makes the stable operation of sky divided working status.
Oxygen enters sky by conveyance conduit and dispenses out valve 7, through sky, dispensing out valve 7 regulates after pressure, enter inflow-rate of water turbine meter 8 and the first pressure tester 9, be transported to controlling device, heavy caliber automatic regulating valve 5 is in the light of actual conditions set in to certain aperture, by 11 pairs of oxygen sendouts of small-bore automatic regulating valve, carries out fine adjustment.The adjusting fluctuation of small-bore automatic regulating valve 11 is frequent, and sendout changes in amplitude is less, can regulate in time the pressure of oxygen in pipe network, guarantees that oxygen sends stability of flow simultaneously.At sky, dispense out valve 7 passes hour, the second pressure tester 6 tests out sends oxygen pressure, and atmospheric valve 10 is opened gradually, regulates oxygen pressure.At sky, dispense out the aperture of valve 7 when larger, the second pressure tester 6 tests out sends oxygen pressure, and atmospheric valve 10 cuts out gradually, regulates oxygen pressure.Oxygen flows to user by heavy caliber automatic regulating valve 5 and small-bore automatic regulating valve 11.
The interior compression process oxygenerator pipe network transmitting system that the utility model embodiment provides, by conveyance conduit delivering oxygen, sky dispenses out valve, by flowmeter and the first pressure tester 9, oxygen infusion is arrived to controlling device; By the small-bore automatic regulating valve in controlling device and heavy caliber automatic regulating valve, oxygen is sent, because small-bore automatic regulating valve regulates fluctuation frequent, oxygen sendout changes in amplitude is less, therefore can adjust in time the pressure of oxygen, make plate type heat exchanger stable operation, guaranteed empty minute stable operation.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (4)
1. a compression process oxygenerator pipe network transmitting system in, for the internally oxygen output of the plate type heat exchanger (3) of compression process oxygenerator; It is characterized in that, described system comprises: conveyance conduit, sky dispense out valve (7) and controlling device; Described sky dispenses out the entry end that valve (7) is positioned at described plate type heat exchanger (3); The outlet end of described plate type heat exchanger (3) is connected with described controlling device by described conveyance conduit; Described controlling device comprises heavy caliber automatic regulating valve (5) and small-bore automatic regulating valve (11); Described heavy caliber automatic regulating valve (5) is connected with the outlet end of described plate type heat exchanger (3) by described conveyance conduit respectively with the entry end of described small-bore automatic regulating valve (11), and described heavy caliber automatic regulating valve (5) interconnects with the outlet end of described small-bore automatic regulating valve (11).
2. transmitting system according to claim 1, is characterized in that, described transmitting system also comprises: atmospheric valve (10), and the entry end of described atmospheric valve (10) is connected with the entry end of described small-bore automatic regulating valve (11) by conveyance conduit; The outlet end of described atmospheric valve (10) is by conveyance conduit emptying.
3. transmitting system according to claim 2, is characterized in that, described transmitting system also comprises: the first pressure tester (9) and the second pressure tester (6); Described the first pressure tester (9) is arranged between the outlet end of plate type heat exchanger (3) and the entry end of described heavy caliber automatic regulating valve (5) by conveyance conduit; Described the second pressure tester (6) is connected with the outlet end of described heavy caliber automatic regulating valve (5) by conveyance conduit.
4. transmitting system according to claim 3, it is characterized in that, described transmitting system also comprises: flowmeter (8), described flowmeter (8) is arranged between described heavy caliber automatic regulating valve (11) and described the first pressure tester (9) by conveyance conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521479.4U CN203488983U (en) | 2013-08-23 | 2013-08-23 | Pipe network delivery system for internal compression process oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320521479.4U CN203488983U (en) | 2013-08-23 | 2013-08-23 | Pipe network delivery system for internal compression process oxygenerator |
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| Publication Number | Publication Date |
|---|---|
| CN203488983U true CN203488983U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320521479.4U Expired - Lifetime CN203488983U (en) | 2013-08-23 | 2013-08-23 | Pipe network delivery system for internal compression process oxygenerator |
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| CN (1) | CN203488983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669627A (en) * | 2021-08-16 | 2021-11-19 | 南京钢铁股份有限公司 | Pipe network system and method for increasing oxygen yield by utilizing surplus compressed air |
-
2013
- 2013-08-23 CN CN201320521479.4U patent/CN203488983U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669627A (en) * | 2021-08-16 | 2021-11-19 | 南京钢铁股份有限公司 | Pipe network system and method for increasing oxygen yield by utilizing surplus compressed air |
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Granted publication date: 20140319 |