CN209636896U - A kind of coke-oven plant, coking workshop and its condensation water conveying system - Google Patents
A kind of coke-oven plant, coking workshop and its condensation water conveying system Download PDFInfo
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- CN209636896U CN209636896U CN201920036143.6U CN201920036143U CN209636896U CN 209636896 U CN209636896 U CN 209636896U CN 201920036143 U CN201920036143 U CN 201920036143U CN 209636896 U CN209636896 U CN 209636896U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 340
- 238000004939 coking Methods 0.000 title claims abstract description 16
- 230000005494 condensation Effects 0.000 title abstract 4
- 238000009833 condensation Methods 0.000 title abstract 4
- 238000003860 storage Methods 0.000 claims abstract description 27
- 239000000571 coke Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 23
- 239000002351 wastewater Substances 0.000 claims description 14
- 239000003034 coal gas Substances 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 10
- 238000007667 floating Methods 0.000 claims description 7
- 238000005235 decoking Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000010840 domestic wastewater Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000013505 freshwater Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- -1 and further Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Coke Industry (AREA)
Abstract
The utility model discloses a kind of condensation water conveying systems, comprising: is connected with gas preheater, the water entering section to convey condensed water；It is connected with the water entering section, to the water storage part of saving condensed water；It is connected with the water storage part, goes out for scrapper conveyor burnt water delivery part to export condensed water.The condensed water that above-mentioned condensation water conveying system generates heat exchanger exit is used for scrapper conveyor, reduces the new water consumption of scrapper conveyor, and then save the fund for buying new water to coke-oven plant, solves the problems, such as that coke-oven plant does not make full use of water resource.In addition, the invention also discloses a kind of coking workshop including above-mentioned condensation water conveying system and a kind of coke-oven plants including above-mentioned coking workshop.
Description
Technical Field
The utility model relates to a chemical production technical field especially relates to a comdenstion water conveying system. Furthermore, the utility model discloses still relate to a coke oven plant including above-mentioned comdenstion water conveying system and a coke oven plant including above-mentioned coke oven plant.
Background
In a coke plant, the outlet of a gas preheater, which heats coke oven gas with high temperature steam, condenses a large amount of condensed water. Currently, the actual treatment of the condensed water is usually direct discharge. This results in a large waste of water and also requires the use of a large amount of fresh water in other areas of the coke plant (such as the coke pusher and the coke guide), which consumes a lot of money for the purchase of fresh water in the coke plant.
Therefore, how to utilize the condensed water for other areas of the coke-oven plant is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a comdenstion water conveying system, this comdenstion water conveying system scrape the trigger with the comdenstion water confession that the heat exchanger export produced and use, has reduced the new water consumption volume of scraping the trigger, and then has saved the fund that is used for buying new water for the coke-oven plant, has solved the problem that the coke-oven plant does not have the make full use of water resource. Another object of the present invention is to provide a coking plant comprising the above-mentioned condensate water conveying system and a coking plant comprising the above-mentioned coking plant.
In order to achieve the above object, the present invention provides a condensate water conveying system, including: a water inlet part connected with the gas preheater and used for conveying condensed water; a water storage part connected with the water inlet part and used for storing condensed water; and the water delivery part is connected with the water storage part and used for outputting condensed water for decoking the scraper conveyor.
Preferably, the water inlet part is a water inlet pipe connected with the gas preheater; the water storage part includes: the first water tank is connected with the water inlet pipe; a second water tank connected to the first water tank through an overflow pipe; the overflow pipe is used for conveying condensed water of the first water tank to the second water tank; the water delivery part is a second water delivery pipe which is connected with the second water tank and is used for delivering water to the scraper conveyor.
Preferably, the domestic water supply tank is connected with the first water tank through a first water conveying pipe.
Preferably, the method further comprises the following steps: a wastewater tank connected with the domestic water supply tank and used for storing domestic wastewater; and the water pump is connected with the wastewater pool and used for pumping water to the second water tank.
Preferably, the second water tank is also provided with a second sewage draining pipe for draining sewage; the first water tank is also provided with a first sewage discharge pipe for discharging sewage.
Preferably, the water supply device further comprises a shunt pipe which is connected with the first water tank and used for adding water to the gas water seal seat.
Preferably, the first water tank is further provided with: the first liquid level switch is used for floating on the liquid level; and the first water supplementing pipe is used for adding water into the first water tank according to the height of the first liquid level switch.
Compared with the prior art, the utility model provides a comdenstion water conveying system stores up the comdenstion water and supplies with this comdenstion water and scrapes trigger coke removal use through water storage portion. Particularly, steam through the coal gas preheater can condense into the comdenstion water and get into water storage portion through the portion of intaking, when scraping the trigger and need the water coke quenching, the comdenstion water that the water delivery portion will be stored in the water storage portion is carried to scraping the trigger, supplies to scrape the trigger and waters out red burnt and obtain the tail coke, because it utilizes the comdenstion water to coke quenching to scrape the trigger to reduced the new water consumption of scraping the trigger.
The utility model also provides a coking plant, include the coal gas preheater that is used for heating coal gas, be used for going out the burnt scraper blade machine and be used for the gas water seal seat of sealed raw coke oven gas, still include with the coal gas preheater scrape the scraper blade machine with the gas water seal seat links to each other, as above-mentioned arbitrary comdenstion water conveying system.
The utility model also provides a coking plant, include as above-mentioned the coking plant.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a condensate delivery system provided by the present invention;
wherein,
01-gas preheater, 02-scraper, 03-gas water seal seat, 1-first water tank, 11-first water pipe, 12-first liquid level switch, 13-first water replenishing pipe, 14-first sewage discharging pipe, 2-second water tank, 21-second water pipe, 22-second liquid level switch, 23-second water replenishing pipe, 24-second sewage discharging pipe, 3-overflow pipe, 4-domestic water supply tank, 5-waste water tank, 6-water pump, 7-shunt pipe and 8-water inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a schematic view of a condensate water conveying system provided by the present invention.
The utility model provides a comdenstion water conveying system, include: a water inlet part connected with the coal gas preheater 01 and used for conveying condensed water; a water storage part connected with the water inlet part and used for storing condensed water; a water delivery part which is connected with the water storage part and is used for outputting condensed water for the decoking of the scraper machine 02. Specifically, steam passing through the gas preheater 01 is condensed into liquid condensate water, so that a certain pressure difference exists at an inlet and an outlet of the gas preheater 01, the steam continuously flows to an outlet of the gas preheater 01 and is condensed, and then flows into the water storage part through the water inlet part, when the scraper 02 needs to be decoked by water, the condensate water stored in the water storage part is conveyed to the scraper 02 by the water conveying part, and the red coke is cast out by the scraper 02 to obtain tail coke. The above-described process of using the condensed water for the scraper 02 to perform decoking reduces the consumption of new water by the scraper 02, thereby saving money for purchasing new water for the coke plant.
It should be noted that the scraper 02 is specifically at least one of a coke pusher scraper and a coke guide scraper, and the scraper 02 is used for collecting red coke scattered during the coke pushing process and forming tail coke (i.e. finished coke product) after being quenched by water. In practical applications, the water supply part preferably supplies water to the two coke pushing car scraper machines and the two coke guide scraper machines for coke quenching.
As shown in fig. 1, the water inlet part is a water inlet pipe 8 connected with the outlet of the gas preheater 01; the above-mentioned water storage portion includes: a first water tank 1 connected to a water inlet pipe 8; a second tank 2 connected to the first tank 1 through an overflow pipe 3; the overflow pipe 3 is used for conveying condensed water in the first water tank 1 to the second water tank 2; the water delivery part is specifically a second water delivery pipe 21 connected with the second water tank 2 and used for delivering water to the scraper 02.
Preferably, as shown in fig. 1, the first water tank 1 is located higher than the second water tank 2 such that the water in the first water tank 1 flows into the second water tank 2 only in one direction and the water in the second water tank 2 does not flow back into the first water tank 1. Of course, as long as the two water tanks are arranged in a way that the height of the joint of the second water tank 2 and the overflow pipe 3 is always lower than the height of the joint of the first water tank 1 and the overflow pipe 3, the overflow pipe 3 can be ensured to only deliver water to the second water tank 2, but not to the first water tank 1.
It should be noted that the first water tank 1 and the second water tank 2 are provided for the following purposes: in order to prevent the second water tank 2 from storing all the condensed water due to the excessive amount of the generated condensed water, the first water tank 1 is disposed before the second water tank 2 to increase the water storage capacity of the water storage part.
It is conceivable to design a plurality of tanks before the second tank 2 and to connect two adjacent tanks in order through a plurality of overflow pipes 3 in the flowing direction of the condensed water to increase the maximum water storage amount of the water storage part, and the above-mentioned arrangement of only one first tank 1 before the second tank 2 is merely an example, and the specific number of tanks before the second tank 2 should be determined according to actual conditions, and the specific number of overflow pipes 3 should be determined according to the specific number of tanks before the second tank 2. Note that the above "before" refers to a position through which the condensed water first flows.
As shown in fig. 1, the second water tank 2 includes: a second level switch 22 for floating on the liquid level; a second water supply pipe 23 for supplying water into the second water tank 2 according to the height of the second level switch 22; when the second level switch 22 is lowered to a second threshold height, the second water replenishing pipe 23 is used for replenishing water into the second water tank 2. Specifically, in order to ensure that the liquid level in the second water tank 2 always overflows the second water pipe 21, so as to ensure that the water in the second water tank 2 can be continuously conveyed to the scraper 02 along the second water pipe 21, when the second liquid level switch 22 is lowered to a second threshold height, which represents that the water storage capacity of the second water tank 2 is insufficient, the second water replenishing pipe 23 is opened to add water into the second water tank 2, so that the sufficient water storage capacity is maintained in the second water tank 2.
It should be noted that, the value of the second threshold height is determined according to the actual conditions, such as the installation height of the second water pipe 21 in the second water tank 2, the volume of the second water tank 2, and the like; the second liquid level switch 22 can be arranged in a specific manner according to a floating ball type liquid level switch in the prior art, and is not specifically developed herein.
Because the comdenstion water in the first water tank 1 is cleaner, if direct confession scraper blade machine 02 cools off the red burnt some wastes of unavoidable, consequently, in order to make full use of the comdenstion water in the first water tank 1, as shown in fig. 1, this comdenstion water conveying system still includes: and a domestic water supply tank 4 connected to the first water tank 1 through a first water delivery pipe 11. Specifically, the water supply valve of the domestic water supply tank 4 is opened so that the water in the first water pipe 11 flows out along the water supply valve to use the condensed water flowing out as domestic water such as washing water and rinsing water.
It should be noted that, a plurality of domestic water supply tanks 4 may be arranged and are respectively arranged in various regions such as a working region and a living region in a coke-oven plant, and water in all the domestic water supply tanks 4 is from the first water delivery pipe 11, that is, one end of a water supply pipe of all the domestic water supply tanks 4 is connected to the first water delivery pipe 11, and the other end of the water supply pipe is provided with a water supply valve to control the opening and closing of the water supply pipe; and when the water supply pipe or the water supply valve of the domestic water supply tank 4 or the first water pipe 11 at the domestic water supply tank 4 is in failure, the maintenance work can be carried out only by closing the valve of the first water pipe 11.
In order to reuse the condensed water used as domestic water, as shown in fig. 1, the condensed water delivery system further includes: a wastewater tank 5 connected to the domestic water supply tank 4 for storing domestic wastewater; and a water pump 6 connected to the wastewater tank 5 for pumping water to the second water tank 2. Specifically, the used waste water flows through the water outlet of the domestic water supply tank 4 and is stored in the waste water tank 5, when the scraper machine 02 needs to use water, the water pump 6 is firstly started to pump the waste water in the waste water tank 5 into the second water tank 2 so as to supplement the water storage capacity of the second water tank 2, and when the waste water in the waste water tank 5 is pumped out, the water pump 6 is stopped, and water is added into the second water tank 2 through the second water supplementing pipe 23 so as to continue to supply the water for the scraper machine 02.
Considering that a large amount of dirt is easily accumulated at the bottom of the second water tank 2 due to poor water quality in the wastewater tank 5, the second water tank 2 is further provided with a second sewage discharge pipe 24 for discharging the dirt, and periodically discharges the sewage for the second water tank 2; of course, since the bottom of the first tank 1 is also liable to collect dirt such as scale and dust, the first tank 1 is also provided with the first drain pipe 14 for draining the dirt, and periodically drains the first tank 1.
In order to fully utilize the condensed water in the first water tank 1, the condensed water conveying system further comprises: and the shunt pipe 7 is connected with the first water tank 1 and is used for adding water to the gas water seal seat 03. It should be noted that the gas water seal holder 03 functions to seal high-temperature raw gas with water, and because the temperature of the sealing medium is high, water inside the gas water seal holder evaporates to consume water, and further, water needs to be continuously added to ensure the sealing of the raw gas.
In order to reduce the actual length of the shunt tube 7, as shown in fig. 1, the shunt tube 7 is preferably communicated with the first water pipe 11, that is, the water in the first water tank 1 is obtained through the first water pipe 11, that is, the condensed water in the first water tank 1 is sequentially conveyed to the gas water seal seat 03 along the first water pipe 11 and the shunt tube 7.
Preferably, the diversion pipe 7 is arranged in front of the valve of the first water pipe 11, wherein front refers to a position through which water in the first water pipe 11 flows first.
It should be noted that, a valve is further disposed at the inlet of the flow dividing pipe 7, on one hand, the opening degree of the valve can be controlled to match the real-time evaporation amount of the water in the gas water seal seat 03; on the other hand, when at least one of the shunt tube 7 and the gas water seal seat 03 breaks down, the maintenance work can be carried out only by closing the valve of the shunt tube 7.
In the process of supplying water to the gas water seal holder 03, considering that the water storage amount in the first water tank 1 may not be enough for the gas water seal holder 03, as shown in fig. 1, the first water tank 1 is further provided with: a first level switch 12 for floating on the liquid surface; a first water replenishing pipe 13 for replenishing water to the first water tank 1 according to the height of the first liquid level switch 12; when the first liquid level switch 12 is lowered to a first threshold height, the first water replenishing pipe 13 is used for replenishing water to the first water tank 1. Specifically, in order to ensure that the water storage capacity in the first water tank 1 at least meets the amount used by the gas water seal holder 03, so as to avoid the situation that the sealing of the raw coke oven gas is not enough due to the low liquid level height of the gas water seal holder 03, when the first liquid level switch 12 is lowered to the first threshold height, which represents that the water storage capacity of the first water tank 1 is insufficient, the first water replenishing pipe 13 is opened to add water to the first water tank 1, so that the sufficient water storage capacity is maintained in the first water tank 1.
It should be noted that the value of the first threshold height is determined according to the model of the gas water seal holder 03 and the actual conditions such as the volume of the first water tank 1; the first liquid level switch 12 can be arranged in a way that reference is made to a floating ball type liquid level switch in the prior art, and the first liquid level switch is not particularly expanded.
Through the measurement of a pipeline flowmeter, the new water usage amount of the scraper 02 can be saved by 20m every day on average3And the new water consumption of the gas water seal seat 03 is 8m3. If each ton of fresh water is charged according to 5 yuan, 3.65 yuan of fresh water cost of the scraper 02 and 1.46 yuan of fresh water cost of the gas water seal seat 03 can be saved every year, and 5.11 yuan of fresh water cost can be saved for a coke-oven plant. Herein, "fresh water" refers to water directly taken from an off-site reservoir by paying a water fee.
The utility model provides a coking plant, which comprises a coal gas preheater 01 for heating coal gas, a scraper 02 for coke quenching and a coal gas water seal seat 03 for sealing raw coke gas, and also comprises a condensed water conveying system which is connected with the coal gas preheater 01, the scraper 02 and the coal gas water seal seat 03 and is as described above; the gas preheater 01, the scraper 02, the gas water seal holder 03 and other parts of the coking plant can be referred to the prior art and are not described in detail herein.
The utility model provides a coking plant, which comprises the coking plant; other parts of the coke plant can be referred to the prior art and will not be described in detail herein.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The coke-oven plant, the coke-oven plant and the condensed water conveying system thereof provided by the utility model are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. A condensate delivery system, comprising:
a water inlet part connected with the coal gas preheater (01) and used for conveying condensed water;
a water storage part connected with the water inlet part and used for storing condensed water;
a water delivery part connected with the water storage part and used for outputting condensed water for decoking the scraper conveyor (02);
wherein,
the water inlet part is specifically a water inlet pipe (8) connected with the coal gas preheater (01);
the water storage part includes: the first water tank (1) is connected with the water inlet pipe (8); a second water tank (2) connected with the first water tank (1) through an overflow pipe (3); the overflow pipe (3) is used for conveying condensed water of the first water tank (1) to the second water tank (2);
the water delivery part is specifically a second water delivery pipe (21) which is connected with the second water tank (2) and is used for delivering water to the scraper conveyor (02).
2. Condensate conveying system according to claim 1, characterized in that the second water tank (2) is provided with:
a second level switch (22) for floating on the liquid level;
and a second water replenishing pipe (23) for replenishing water to the second water tank (2) according to the height of the second liquid level switch (22).
3. Condensate conveying system according to claim 1, further comprising a domestic water supply tank (4) connected to the first water tank (1) by a first water conveying pipe (11).
4. The condensate delivery system of claim 3, further comprising:
a waste water tank (5) connected with the domestic water supply tank (4) and used for storing domestic waste water;
and the water pump (6) is connected with the wastewater pool (5) and is used for pumping water to the second water tank (2).
5. Condensate conveying system according to claim 4, characterized in that the second tank (2) is further provided with a second drain (24) for draining off dirt; the first water tank (1) is also provided with a first sewage discharge pipe (14) for discharging sewage.
6. The condensate delivery system according to any one of claims 1 to 5, further comprising a shunt tube (7) connected to the first water tank (1) for adding water to the gas water seal (03).
7. Condensate conveying system according to claim 6, characterized in that the first water tank (1) is further provided with:
a first level switch (12) for floating on the liquid surface;
a first water replenishing pipe (13) for replenishing water to the first water tank (1) according to the height of the first liquid level switch (12).
8. A coking plant comprising a gas preheater (01) for heating gas, a scraper (02) for decoking and a gas water seal holder (03) for sealing the raw gas, characterized in that it further comprises a condensate water conveying system according to any one of claims 1 to 7 connected to the gas preheater (01), the scraper (02) and the gas water seal holder (03).
9. A coke plant comprising the coke plant of claim 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920036143.6U CN209636896U (en) | 2019-01-09 | 2019-01-09 | A kind of coke-oven plant, coking workshop and its condensation water conveying system |
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| CN201920036143.6U CN209636896U (en) | 2019-01-09 | 2019-01-09 | A kind of coke-oven plant, coking workshop and its condensation water conveying system |
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| CN209636896U true CN209636896U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555184A (en) * | 2019-01-09 | 2019-04-02 | 山东钢铁股份有限公司 | A kind of coke-oven plant, coking workshop and its condensation water conveying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555184A (en) * | 2019-01-09 | 2019-04-02 | 山东钢铁股份有限公司 | A kind of coke-oven plant, coking workshop and its condensation water conveying system |
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