CN212025277U - Gas purification primary cooler sprinkling system - Google Patents
Gas purification primary cooler sprinkling system Download PDFInfo
- Publication number
- CN212025277U CN212025277U CN202020535277.5U CN202020535277U CN212025277U CN 212025277 U CN212025277 U CN 212025277U CN 202020535277 U CN202020535277 U CN 202020535277U CN 212025277 U CN212025277 U CN 212025277U
- Authority
- CN
- China
- Prior art keywords
- condensate
- primary cooler
- tank
- pipe
- lower section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Industrial Gases (AREA)
Abstract
The utility model relates to a spraying system of a gas purification primary cooler, belonging to the technical field of gas production; the problems that the spraying of the upper section of the primary cooler is uneven and the spraying amount of the condensate of the upper section is unstable are solved; the system comprises a primary cooler, an upper section condensate tank and a lower section condensate tank, wherein the bottoms of the upper section condensate tank and the lower section condensate tank are respectively provided with an emptying pipe, and the emptying pipes are connected with an ammonia water clarifying tank through a condensate delivery pump through heavy oil delivery pipelines; the purging of the primary cooler and the replacement of condensate are facilitated; the liquid inlet of the lower section of condensate tank is connected with the condensate outlet of the electric air-catching fan through a third condensate pipe, so that the quality of sprayed liquid is improved; the system prevents deposited heavy oil and impurities from entering the system again along with the spraying liquid, and effectively reduces the resistance of the primary cooler; the pressure of the gas collecting pipe of the coke oven is more stable, and the unorganized emission of coal gas is reduced.
Description
Technical Field
The utility model relates to a coal gas production technical field, concretely relates to coal gas purifies primary cooler sprinkling system.
Background
In the gas purification system, a primary cooler is the first link of gas purification, the chemical product primary cooler is used for cooling the raw coke oven gas coming out of the coke oven, and undertakes the tasks of gas primary cooling and naphthalene washing, and the operating efficiency of the whole gas purification system is directly influenced by the operating condition of the primary cooler. The cold drum primary cooler in the chemical production workshop is divided into an upper segment and a lower segment for spraying, and because of reasons such as unreasonable spraying system technology, the resistance of the primary cooler rises quickly, the cooling effect of the primary cooler is influenced, and the primary cooler needs to be switched every day. The frequent switching of the primary cooler not only increases the workload, but also influences the production operation of the cooling section, so that the quality of the coal gas behind the primary cooler cannot be guaranteed, and the production of the subsequent section is influenced.
As shown in fig. 1, the process flow of the original design of the primary cooler spraying system is as follows: in order to ensure the cooling effect of the primary cooler, tar and ammonia water mixed liquor is continuously sprayed on the upper section and the lower section of the primary cooler 1, and hot ammonia water is used for periodically washing the top of the primary cooler to remove impurities such as tar, naphthalene and the like on the pipe wall. A tower breaking disc is arranged in the primary cooler 1 to divide the primary cooler into an upper section and a lower section. The condensate discharged from the upper part flows into the upper section condensate tank 2 through the water seal tank, the condensate is sent into the middle part of the upper section of the primary cooler by a pump to be sprayed, and the redundant condensate is sent to the mechanized ammonia water clarifying tank 15. Condensate discharged from the lower part of the primary cooler 1 flows into a lower section condensate tank 3 through a water seal tank, the condensate is sent into the top of the lower section of the primary cooler by a pump to be sprayed, and the redundant condensate flows into an upper section condensate tank 2. The set of spraying systems presents the following problems in operation:
1. the upper segment spray pump is not only responsible for spraying the upper segment of the primary cooler but also responsible for delivering unnecessary condensate to the mechanized ammonia water clarification tank outside, wherein the amount delivered to the mechanized ammonia water clarification tank outside is according to upper segment condensate tank liquid level control, because of the lag reason of the regulation of self-regulating valve, the delivery amount is inhomogeneous outward, causes the spraying of the upper end of the primary cooler to be inhomogeneous, has influenced the spraying effect of the upper segment of the primary cooler.
2. The condensate liquid quality of the upper section and the lower section of the primary cooler is poor, and the naphthalene washing effect is poor.
3. The condensate in the condensate tanks at the upper and lower sections is not effectively separated, and heavy oil and dust in the sprayed liquid are brought into the primary cooler and attached to the wall of the cooling water pipe of the primary cooler, so that the resistance of the primary cooler is increased quickly.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a coal gas purification primary cooler sprinkling system, and it is inhomogeneous to solve the primary cooler upper segment and spray, and the upper segment condensate sprays the unstable problem of volume.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A spraying system of a coal gas purification primary cooler comprises a primary cooler, an upper section condensate tank and a lower section condensate tank, wherein the primary cooler is divided into an upper section and a lower section by a broken tower tray arranged in the primary cooler, the upper section of the primary cooler is connected with the upper section condensate tank through an upper section water seal tank by a first condensate pipe, the lower section of the primary cooler is connected with the lower section condensate tank through a lower section water seal tank by a second condensate pipe, a liquid outlet of the upper section condensate tank is connected with a spraying opening at the upper section of the primary cooler through a first liquid supply pipe by an upper section spraying pump, a liquid outlet of the lower section condensate tank is connected with a spraying opening at the lower section of the primary cooler through a second liquid supply pipe by a lower section spraying pump, emptying pipes are respectively arranged at the bottoms of the upper section condensate tank and the lower section condensate tank, and the emptying pipes are connected with an ammonia water clarifying tank through a heavy oil conveying pipeline by an external feeding pump; and the liquid inlet of the lower section condensate liquid tank is connected with a condensate liquid outlet of the electric air-catching machine through a third condensate liquid pipe.
Furthermore, the liquid inlet of the lower section condensate tank is connected with the water seal condensate outlet of the air blower through a third condensate pipe and a ground tank.
Further, the emptying pipe is provided with a first flow valve.
Further, a second flow valve is arranged at the inlet of the ammonia water clarifying tank.
Further, the first liquid supply pipe is connected with the ammonia water clarifying tank through a branch pipe.
Furthermore, a third flow valve is arranged on the branch pipe.
Furthermore, a fourth flow valve is respectively arranged on the first liquid supply pipe and the second liquid supply pipe.
The utility model discloses produced beneficial effect does for prior art.
(1) The utility model provides a primary cooler upper segment spray the not enough problem of liquid, return mechanized depositing tank from the blow-down pipe, avoided sedimentary heavy oil and impurity to follow the entering system once more that sprays liquid, effectively reduced the primary cooler resistance. After the operation is improved, the resistance of the primary cooler is reduced from more than 2000Pa to less than 1000Pa, so that the pressure of a gas collecting pipe of the coke oven is more stable, and the unorganized emission of coal gas is reduced.
(2) The cooling efficiency of the primary cooler is obviously improved. The spraying continuity and uniformity of the improved primary cooler are improved, the replacement of condensate at the upper and lower sections is facilitated, the cooling efficiency of the primary cooler is improved, and the production of the subsequent section is more stable.
(3) The frequency of the primary cooler is greatly reduced. Before the transformation, because of reasons such as spraying the effect unsatisfactory, the primary cooler all will be used once a day, and the spraying effect is improved after the transformation, and the deposit reduces in the primary cooler, and the resistance rises slowly, and frequency of using once prolongs in ten days, has reduced staff's working strength greatly.
(4) The tar yield is improved. After modification, factors such as influence of coal blending volatile matters are removed, and the yield of tar is improved.
(5) The cleaning times of the primary cooler and the liquid discharge pipe after the transformation are also obviously reduced, and the waste water production is reduced.
The spraying system of the primary cooler is improved by utilizing the existing resources of the cold drum workshop section, so that the operating efficiency of the primary cooler is improved, the quality of coal gas behind the primary cooler is ensured, the production of a coal gas purification system is carried forward, the working strength of workers is reduced, considerable economic benefits are obtained, the spraying system is worthy of being popularized and used by coking enterprises, energy conservation and consumption reduction, and the operation condition of the process is optimized.
Drawings
Fig. 1 is a schematic structural diagram of a spraying system of a conventional gas purification primary cooler.
FIG. 2 is a schematic structural view of the spraying system of the gas purification primary cooler of the present invention.
Wherein, 1 is the primary cooler, 2 is upper segment condensate groove, 3 is lower segment condensate groove, 4 is first condensate pipe, 5 is upper segment water-sealed tank, 6 is the second condensate pipe, 7 is lower segment water-sealed tank, 8 is first feed pipe, 9 is upper segment spray pump, 10 is the second feed pipe, 11 is lower segment spray pump, 12 is the blow-down pipe, 13 is the heavy oil pipeline, 14 is the condensate pump of sending out, 15 is the aqueous ammonia clarification tank, 16 is the third condensate pipe, 17 is first flow valve, 18 is the second flow valve, 19 is the branch pipe, 20 is the third flow valve, 21 is the fourth flow valve.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 2, a gas purification primary cooler sprinkling system, including primary cooler 1, upper segment condensate tank 2, lower segment condensate tank 3, the broken tray that sets up in primary cooler 1 divides the primary cooler into upper and lower two sections, the primary cooler upper segment is connected with upper segment condensate tank 2 through upper segment water-sealed tank 5 through first condensate pipe 4, the primary cooler lower segment is connected with lower segment condensate tank 3 through lower segment water-sealed tank 7 through second condensate pipe 6, the liquid outlet of upper segment condensate tank 2 is connected with the sprinkler of primary cooler upper segment through upper segment spray pump 9 through first feed pipe 8, first feed pipe 8 is connected with aqueous ammonia clarification tank 15 through branch pipe 19. The branch pipe 19 is provided with a third flow valve 20. The liquid outlet of the lower section condensate tank 3 is connected with the spraying opening of the lower section of the primary cooler through a second liquid supply pipe 10 via a lower section spraying pump 11, and a fourth flow valve 21 is respectively arranged on the first liquid supply pipe 8 and the second liquid supply pipe 10. And the bottoms of the upper section condensate tank 2 and the lower section condensate tank 3 are respectively provided with an emptying pipe 12, and the emptying pipe 12 is provided with a first flow valve 17. The emptying pipe 12 is connected with an ammonia water clarifying tank 15 through a heavy oil conveying pipeline 13 and a condensate liquid outward-conveying pump 14; the inlet of the ammonia water clarifying tank 15 is provided with a second flow valve 18. The liquid inlet of the lower section condensate tank 3 is connected with the condensate outlet of the electric air catcher through a third condensate pipe 16.
In order to make the primary cooler upper segment spray not receive the undulant influence of delivery volume, realize evenly spraying of primary cooler upper segment, the utility model discloses carry out technical transformation to the condensate delivery line outward, send the pump 14 outward by a condensate and be responsible for the condensate specially and send outward, realize that the primary cooler sends outward and sprays separately with the primary cooler upper segment, the primary cooler upper segment condensate of having guaranteed sprays the stability of volume.
The inlet pipeline of the condensate outward-feeding pump 14 is connected with the emptying pipe 12 at the bottommost part of the upper-section condensate tank and the lower-section condensate tank, the upper parts of the upper-section condensate tank 2 and the lower-section condensate tank 3 are respectively sprayed through the first liquid supply pipe 8 and the second liquid supply pipe 10, and the solid impurities at the bottom, namely heavy oil, are directly pumped to the mechanized ammonia water clarifying tank 15 through the condensate outward-feeding pump 14 through the heavy oil conveying pipeline 13. The condensate external pump 14 directly returns to the ammonia water clarifying tank 15 through the self-adjusting device, so that the purging of the primary cooler and the replacement of the condensate are facilitated.
The condensate of the fan water seal of the electrical tar precipitator enters the lower section condensate tank 3 of the primary cooler through a ground tank through a third condensate pipe 16, and the quality of the sprayed liquid is improved.
The problem that the spraying liquid is not enough on the upper section of the primary cooler is solved after the system is transformed, the emptying pipe returns to the mechanical clarifying tank, the heavy oil and impurities which are deposited are prevented from entering the system again along with the spraying liquid, and the resistance of the primary cooler is effectively reduced. After the operation is improved, the resistance of the primary cooler is reduced from more than 2000Pa to less than 1000Pa, so that the pressure of a gas collecting pipe of the coke oven is more stable, and the unorganized emission of coal gas is reduced.
The cooling efficiency of the primary cooler is obviously improved. The spraying continuity and uniformity of the improved primary cooler are improved, the replacement of condensate at the upper and lower sections is facilitated, the cooling efficiency of the primary cooler is improved, and the production of the subsequent section is more stable.
The frequency of the primary cooler is greatly reduced. Before the transformation, because of reasons such as spraying the effect unsatisfactory, the primary cooler all will be used once a day, and the spraying effect is improved after the transformation, and the deposit reduces in the primary cooler, and the resistance rises slowly, and frequency of using once prolongs in ten days, has reduced staff's working strength greatly.
The tar yield is improved. After modification, factors such as influence of coal blending volatile matters are removed, and the yield of tar is improved.
The cleaning times of the primary cooler and the liquid discharge pipe after the transformation are also obviously reduced, and the waste water production is reduced.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (7)
1. A spraying system of a coal gas purification primary cooler comprises a primary cooler (1), an upper section condensate tank (2) and a lower section condensate tank (3), wherein the primary cooler is divided into an upper section condensate tank and a lower section condensate tank by a broken tray arranged in the primary cooler (1), the upper section of the primary cooler is connected with the upper section condensate tank (2) through an upper section water seal tank (5) by a first condensate pipe (4), the lower section of the primary cooler is connected with the lower section condensate tank (3) through a lower section water seal tank (7) by a second condensate pipe (6), the liquid outlet of the upper section condensate tank (2) is connected with the spraying opening of the upper section of the primary cooler through a first liquid supply pipe (8) and an upper section spraying pump (9), the liquid outlet of the lower section condensate tank (3) is connected with the spraying opening of the primary cooler through a lower section spraying pump (11) by a second liquid supply pipe (10), and is characterized in that the bottoms of the upper section condensate tank (2) and the lower section condensate tank (3) are respectively provided with a vent pipe (12), the emptying pipe (12) is connected with an ammonia water clarifying tank (15) through a heavy oil conveying pipeline (13) and a condensate liquid outward-conveying pump (14); and a liquid inlet of the lower section condensate liquid tank (3) is connected with a condensate liquid outlet of the electric air catching machine through a third condensate liquid pipe (16).
2. The spraying system of the gas purification primary cooler as claimed in claim 1, wherein the liquid inlet of the lower section condensate tank (3) is connected with the water seal condensate outlet of the blower through a ground tank by a third condensate pipe (16).
3. Gas cleaning primary cooler sprinkling system according to claim 1, wherein the blow-down pipe (12) is provided with a first flow valve (17).
4. The gas cleaning primary cooler sprinkling system according to claim 1, wherein the inlet of the ammonia water clarifier tank (15) is provided with a second flow valve (18).
5. The gas cleaning primary cooler sprinkling system according to claim 1, wherein the first liquid supply pipe (8) is connected with an ammonia clarifying tank (15) through a branch pipe (19).
6. The gas cleaning primary cooler sprinkling system according to claim 5, wherein a third flow valve (20) is provided on the branch pipe (19).
7. The gas cleaning primary cooler sprinkling system according to claim 1, wherein a fourth flow valve (21) is provided on each of the first supply pipe (8) and the second supply pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535277.5U CN212025277U (en) | 2020-04-13 | 2020-04-13 | Gas purification primary cooler sprinkling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020535277.5U CN212025277U (en) | 2020-04-13 | 2020-04-13 | Gas purification primary cooler sprinkling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212025277U true CN212025277U (en) | 2020-11-27 |
Family
ID=73490845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020535277.5U Active CN212025277U (en) | 2020-04-13 | 2020-04-13 | Gas purification primary cooler sprinkling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212025277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652268A (en) * | 2021-08-17 | 2021-11-16 | 新兴铸管股份有限公司 | Primary cooler water circulation system and control method thereof |
-
2020
- 2020-04-13 CN CN202020535277.5U patent/CN212025277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113652268A (en) * | 2021-08-17 | 2021-11-16 | 新兴铸管股份有限公司 | Primary cooler water circulation system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212025277U (en) | Gas purification primary cooler sprinkling system | |
| CN215085925U (en) | Large-scale chemical vapor deposition furnace tail gas pipeline tar cleaning system | |
| CN103254919B (en) | Technique and device for preventing deposition and blockage of tar residues of tar system | |
| CN210141791U (en) | Rotary kiln flue gas waste heat recoverer and comprehensive utilization system | |
| CN113090841B (en) | Pipeline structure capable of switching cleaning without stopping production and use method thereof | |
| CN211420078U (en) | Direct cooling tower for washing coal gas | |
| CN102249358B (en) | Waste water evaporating device and waste water evaporating process method using same | |
| CN108607225B (en) | Semi-continuous automatic feed liquid evaporation device and feed liquid evaporation recovery method | |
| CN111662753A (en) | Tandem type coke oven gas final cooling purification equipment and process thereof | |
| CN201930763U (en) | Pit-sludge processing device | |
| CN211595548U (en) | Primary cooling device adopting circulating ammonia water for refrigeration | |
| CN209926906U (en) | Paste resin drying steam condensate water recovery system | |
| CN201901653U (en) | Pipeline washing device of a dry-process acetylene generator | |
| CN110903863B (en) | Primary cooling process and device adopting circulating ammonia water for refrigeration | |
| CN108641756B (en) | Combined biomass gasification gas purification system | |
| CN205341929U (en) | Water circle device is used in metal atomizing | |
| CN207596801U (en) | A kind of transverse pipe initial cooler | |
| CN110846086A (en) | Direct cooling tower for washing coal gas | |
| CN216445273U (en) | Device for reducing ash content in carbon black production | |
| CN215365629U (en) | Negative pressure debenzolization continuous regeneration deslagging device | |
| CN218873227U (en) | Kitchen waste oil-removing heating device | |
| CN217745854U (en) | Subside formula granular carbon recovery system | |
| CN214167853U (en) | Horizontal gas deacidification device and gas dry-method dust removal system | |
| CN213835389U (en) | Prevent pond and rotary drum sediment processing system that grain slag hardens | |
| CN220360981U (en) | Tail gas treatment device suitable for tar regeneration treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |