Rapid cleaning device for blast furnace gas drainer

Abstract

The utility model belongs to the technical field of blast furnace gas drainers, and particularly relates to a quick cleaning device for a blast furnace gas drainer, a flushing head of the quick cleaning device comprises a backflow pipeline and a water spraying pipeline, and the backflow pipeline comprises a first water inlet, a first water outlet and a second water outlet which are communicated with one another. As the water spraying pipeline is fixedly arranged in the backflow pipeline, the water spraying pipeline is inserted from the first water inlet and extends out of the first water outlet, the inlet of the water spraying pipeline is connected with the water inlet pipe, the end, located at the first water outlet, of the backflow pipeline is connected with the sewage draining port, and the end, located at the second water outlet, of the backflow pipeline is connected with the sewage draining pipe; therefore, sediment of the blast furnace gas drainer can be flushed after water flow input by the water inlet pipe is pressurized through the water spraying pipe, sewage generated by flushing is discharged out of the blast furnace gas drainer along the backflow pipeline and then discharged into a water seal pool or a specific container through the sewage discharging pipe, and the pollution problem caused by sewage outflow is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of blast furnace gas drainer, is a blast furnace gas drainer quick cleaning device. BACKGROUND

[0002] Blast furnace gas is the product of iron blast furnace, and needs to be washed with water because of its large dust content. In order to prevent condensed water from affecting the transportation of blast furnace gas during pipeline transportation, a large number of blast furnace gas drainers are arranged in the pipeline. Because the condensed water contains part of the unfiltered blast furnace dust, the dust will be deposited after entering the drainer, which can easily cause the drainer to be blocked. Therefore, the drainer needs to be cleaned regularly.

[0003] At present, the cleaning of the blast furnace gas drainer is carried out by disassembling the blow-off port and using water flushing to clean the internal condensed water. Because the blow-off port and the main body of the drainer are connected by bolts, a large number of bolts need to be disassembled and installed during each cleaning, which is a large workload. In addition, the condensed water cannot be directly discharged into the water seal tank, which causes pollution near the water seal. INVENTION CONTENTS

[0004] In order to solve the problems of large workload caused by disassembling and installing a large number of bolts during the cleaning of the blast furnace gas drainer and the problem that the condensed water cannot be directly discharged into the water seal tank, the utility model provides a blast furnace gas drainer quick cleaning device, which does not need to disassemble the bolts to open the blow-off port for cleaning and can directly discharge the condensed water and the cleaning water into the water seal tank.

[0005] The flushing head is directly installed at the blow-off port. By inserting the water spraying pipeline into the blast furnace gas drainer, the deposits at the bottom of the drainer are flushed away by water pressure and water flow. The sewage is discharged from the drainer through the backflow pipeline, so that the sewage can be directly discharged into the water seal tank.

[0006] The technical problem to be solved by the utility model is solved by adopting the following technical scheme: a blast furnace gas drainer quick cleaning device is used for the blast furnace gas drainer. The bottom of the blast furnace gas drainer is provided with a blow-off port. The cleaning device comprises a flushing head, a water inlet pipe and a blow-off pipe.

[0007] The flushing head comprises a backflow pipeline and a water spraying pipeline. The backflow pipeline comprises a first water inlet, a first water outlet and a second water outlet which are in communication with each other.

[0008] The water spraying pipeline is fixedly arranged in the backflow pipeline. The water spraying pipeline is inserted into the first water inlet and extends out of the first water outlet. The outer wall of the water spraying pipeline is sealingly connected to the inner wall of the first water inlet. The inlet of the water spraying pipeline is connected to the water inlet pipe.

[0009] One end of the backflow pipeline located at the first water outlet is connected to the blow-off port. The other end of the backflow pipeline located at the second water outlet is connected to the blow-off pipe.

[0010] The utility model discloses preferably, the drain pipe is connected with water seal pool. The outlet of drain pipe is arranged in water seal pool, and the sewage is directly discharged into water seal pool, to avoid pollution caused by sewage discharge.

[0011] The utility model discloses preferably, the return line is three -way joint;

[0012] The water spraying pipeline is L-shaped elbow pipe, and the water spraying pipeline is inserted from the inlet of the three-way joint and extends from one outlet of the three-way joint. By arranging the L-shaped elbow pipe in the three-way joint, a flushing head is formed, and the structure is simple.

[0013] The utility model discloses preferably, the outer wall of water spraying pipeline and the inner wall of first water inlet are sealed with sealant. The gap between the outer wall of water spraying pipeline and the inner wall of first water inlet is sealed with sealant, and the structure is simple, which avoids sewage flowing out from the inlet of the three-way joint and simultaneously plays a role of pressure boosting.

[0014] The utility model discloses preferably, the water inlet pipe end is provided with the first quick connector that matches with first water inlet. The first quick connector that matches with first water inlet is arranged at the water inlet pipe end, realizes the quick connection and disassembly of water inlet pipe, and improves work efficiency.

[0015] The utility model discloses preferably, the first drain port is provided with the second quick connector that matches with drain port. The second quick connector that matches with drain port is arranged at the first drain port, realizes the quick connection and disassembly of flushing head, and improves work efficiency.

[0016] The utility model discloses preferably, the drain pipe end is provided with the third quick connector that matches with second drain port. The second quick connector that matches with drain port is arranged at the first drain port, realizes the quick connection and disassembly of drain pipe, and improves work efficiency.

[0017] The utility model discloses preferably, still include the valve that sets up at drain port, the return line is located first drain port one end and is connected with valve, through setting up valve at drain port, can more efficiently link drain port with flushing head, and after flushing head is taken down, can more quickly close drain port.

[0018] The utility model discloses preferably, the first drain port is provided with the fourth quick connector that matches with valve. The fourth quick connector that matches with valve is arranged at the first drain port, realizes the quick connection and disassembly of flushing head, and improves work efficiency.

[0019] The utility model discloses preferably, still include the universal nozzle that sets up at water spraying pipeline end. Utilize universal nozzle to be able to adjust the direction of water flow in water spraying pipeline, and the different positions of the bottom of blast furnace gas drainer are washed.

[0020] Compared with the prior art, the utility model discloses the beneficial effect is: the flushing head in the cleaning device includes reflux pipeline and water spray pipeline, and the reflux pipeline includes the first water inlet, the first drain and the second drain that intercommunication, because water spray pipeline is fixedly arranged in the reflux pipeline, and water spray pipeline inserts from the first water inlet and stretches out from the first drain, by the import of water spray pipeline with inlet pipe is connected, the one end of reflux pipeline at the first drain is connected with the blow-off port, and the one end of reflux pipeline at the second drain is connected with the blow-off pipe, thereby can realize the water flow that water spray pipeline is used to the water inlet pipe input is pressurized to the blast furnace gas drain deposit and is washed, and the sewage produced by washing is discharged along the reflux pipeline from the blast furnace gas drain, and then is discharged to the water seal pool or the special container through the blow-off pipe, avoid the pollution problem caused by the sewage outflow.

[0021] The outer wall of water spray pipeline and the inner wall of the first water inlet are sealedly connected, avoid the sewage from the first water inlet of reflux pipeline and flow out, and the water sprayed by water spray pipeline is pressurized. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the front view of the blast furnace gas drain fast cleaning device of the utility model;

[0023] Figure 2 It is the structural schematic diagram of the blast furnace gas drain fast cleaning device in example 1;

[0024] Figure 3 It is the structural schematic diagram of the flushing head;

[0025] Figure 4 It is the structural schematic diagram of the blast furnace gas drain fast cleaning device in example 2;

[0026] In the drawing, 1 blast furnace gas drain, 11 blow-off port;

[0027] 2 flushing head, 3 inlet pipe, 4 blow-off pipe;

[0028] 21 reflux pipeline, 22 water spray pipeline;

[0029] 211 first water inlet, 212 first drain, 213 second drain;

[0030] 31 first quick connector, 23 second quick connector, 41 third quick connector, 24 fourth quick connector;

[0031] 5 water seal pool, 6 sealing glue, 7 valve. DETAILED DESCRIPTION

[0032] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings.

[0033] Embodiment 1

[0034] As shown in Figure 1 , Figure 2 and Figure 3 , a quick cleaning device for a blast furnace gas drainer is used for a blast furnace gas drainer 1, which is provided with a blowdown port 11 at the bottom, and the cleaning device comprises a flushing head 2, a water inlet pipe 3 and a blowdown pipe 4.

[0035] The flushing head 2 comprises a backflow pipe 21 and a water spraying pipe 22, and the backflow pipe 21 comprises a first water inlet 211, a first water outlet 212 and a second water outlet 213 which are in communication with each other.

[0036] The water spraying pipe 22 is fixedly arranged in the backflow pipe 21, the water spraying pipe 22 is inserted from the first water inlet 211 and extends from the first water outlet 212, the outer wall of the water spraying pipe 22 is sealingly connected with the inner wall of the first water inlet 211, and the inlet of the water spraying pipe 22 is connected with the water inlet pipe 3. The water inlet pipe 3 is connected with a water supply system, and cleaning water is sent into the flushing head 2 through the water inlet pipe 3 by a water pump.

[0037] One end of the backflow pipe 21 located at the first water outlet 212 is connected with the blowdown port 11, and the other end of the backflow pipe 21 located at the second water outlet 213 is connected with the blowdown pipe 4.

[0038] In order to avoid sewage flowing to the ground, in the embodiment, the blowdown pipe 4 is connected with a water seal tank 5, and the sewage with sediments is directly discharged into the water seal tank 5.

[0039] Specifically, in the embodiment, the backflow pipe 21 is a tee joint.

[0040] The water spraying pipe 22 is an L-shaped elbow pipe, which is an aluminum pipe or a steel pipe supported and easily bent and formed, and the water spraying pipe 22 is inserted from the inlet of the tee joint and extends from one outlet of the tee joint.

[0041] The L-shaped elbow pipe and the inlet of the tee joint are sealingly connected by sealing glue 6.

[0042] The end of the water inlet pipe 3 is provided with a first quick connector 31 matched with the tee joint.

[0043] The first water outlet 212 of the tee joint is provided with a second quick connector 23 matched with the blowdown port 11.

[0044] The end of the blowdown pipe 4 is provided with a third quick connector 41 matched with the tee joint.

[0045] In the embodiment, the quick cleaning device for the blast furnace gas drainer further comprises a universal nozzle (not shown in the figure) arranged at the end of the water spraying pipe 22.

[0046] Working principle: Connect the second quick connector 23 to the drain port 11, and at the same time insert the water spray pipe 22 into the blast furnace gas drainer 1.

[0047] Cleaning water is introduced into the spray pipe 22 through the inlet pipe 3. Under the pressure of the spray pipe 22, the sediment deposited at the bottom of the blast furnace gas drainer 1 is flushed out. The sewage with sediment flows back into the return pipe 21 and is further discharged into the water seal pool 5 through the sewage pipe 4, thus avoiding the pollution problem of sewage outflow.

[0048] Example 2

[0049] like Figure 4 As shown, the difference from Embodiment 1 is that the blast furnace gas drainer quick cleaning device also includes a valve 7 installed at the drain outlet 11, and the return pipe 21 is connected to the valve 7 at one end of the first drain outlet 212.

[0050] A fourth quick connector 24 matching the valve 7 is provided at the first drain outlet 212.

[0051] Open valve 7 and connect the fourth quick connector 24 to valve 7 to achieve quick connection between flushing head 2 and drain outlet 11; and after cleaning, after pulling out flushing head 2, valve 7 can be quickly closed to ensure the sealing effect of drain outlet 11.

Claims

1. A blast furnace gas drainer quick cleaning device for a blast furnace gas drainer (1) provided with a blowdown port (11) at the bottom, characterized in that: The cleaning device comprises a flushing head (2), a water inlet pipe (3) and a sewage pipe (4); The flushing head (2) comprises a backflow pipe (21) and a water spraying pipe (22), the backflow pipe (21) comprises a first water inlet (211), a first water outlet (212) and a second water outlet (213) which are in communication with each other; The water spraying pipe (22) is fixedly arranged in the backflow pipe (21), the water spraying pipe (22) is inserted from the first water inlet (211) and extends from the first water outlet (212), the outer wall of the water spraying pipe (22) is sealingly connected with the inner wall of the first water inlet (211), and the inlet of the water spraying pipe (22) is connected with the water inlet pipe (3); One end of the backflow pipe (21) located at the first water outlet (212) is connected with the sewage outlet (11), and the other end of the backflow pipe (21) located at the second water outlet (213) is connected with the sewage pipe (4).

2. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The sewage pipe (4) is connected with a water seal tank (5).

3. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The backflow pipe (21) is a tee joint; The water spraying pipe (22) is an L-shaped elbow pipe, the water spraying pipe (22) is inserted from the inlet of the tee joint and extends from one outlet of the tee joint.

4. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The outer wall of the water spraying pipe (22) and the inner wall of the first water inlet (211) are sealingly connected by sealing glue (6).

5. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The end of the water inlet pipe (3) is provided with a first quick connector (31) matched with the first water inlet (211).

6. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The first water outlet (212) is provided with a second quick connector (23) matched with the sewage outlet (11).

7. The blast furnace gas drainer quick cleaning device according to claim 1, characterized in that: The end of the sewage pipe (4) is provided with a third quick connector (41) matched with the second water outlet (213).

8. A quick cleaning device for a blast furnace gas drainer according to any one of claims 1 to 7, characterised in that: A valve (7) arranged at the sewage outlet (11) is further included, and one end of the backflow pipe (21) located at the first water outlet (212) is connected with the valve (7).

9. The blast furnace gas drainer quick cleaning device according to claim 8, characterized in that: The first water outlet (212) is provided with a fourth quick connector (24) matched with the valve (7).

10. A quick cleaning device for a blast furnace gas drainer according to any one of claims 1 to 7, characterised in that: A universal nozzle arranged at the end of the water spraying pipe (22) is further included.

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