Metal quenching bath

Abstract

The utility model relates to the technical field of quenching pools, in particular to a metal quenching pool, which is provided with a first liquid flowing port and a second liquid flowing port, the first liquid flowing port is provided with a first filter screen, the second liquid flowing port is provided with a second filter screen, and a circulating pump is communicated and mounted between the first liquid flowing port and the second liquid flowing port through a backflushing pipe group. The first liquid flowing opening can discharge liquid, the second liquid flowing opening can feed liquid, and the first liquid flowing opening can feed liquid, and the second liquid flowing opening can discharge liquid. The first filter screen and the second filter screen are switched between the filtering state and the back-flushing state through switching of the back-flushing pipe set, the first filter screen and the second filter screen are cleaned through the back-flushing effect, the probability that the first filter screen and the second filter screen are blocked is reduced, and the cleaning frequency period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching tank technical field especially relates to a metal quenching tank. BACKGROUND

[0002] The quenching liquid in the quenching tank needs to keep flowing state, and the flowing quenching liquid can make the temperature more uniform and can make the chemical substances in the quenching liquid more uniformly dispersed.

[0003] In the prior art, the quenching liquid is generally circulated by a circulating pump, in order to avoid damage of impurities in the quenching liquid to the circulating pump and other equipment, a filter screen is arranged at the liquid inlet end of the circulating pump, but the filter screen will be blocked by impurities in a short time, and the replacement or cleaning cycle of the filter screen is short. UTILITY MODEL CONTENTS

[0004] The utility model discloses a metal quenching tank to solve the shortcoming that the filter screen in the quenching tank in the prior art is blocked by impurities in a short time and the replacement or cleaning cycle of the filter screen is short.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A metal quenching tank has a first liquid outlet and a second liquid outlet, the first liquid outlet is provided with a first filter screen, the second liquid outlet is provided with a second filter screen, a circulating pump is installed in communication through a backflush pipe group between the first liquid outlet and the second liquid outlet, the backflush pipe group can make the first liquid outlet discharge liquid and the second liquid outlet inlet liquid, and the backflush pipe group can make the first liquid outlet inlet liquid and the second liquid outlet discharge liquid.

[0007] The backflush pipe group includes a first pipe, a second pipe, a third pipe of a tee joint, a fourth pipe, a fifth pipe and a sixth pipe of a tee joint;

[0008] The third pipe is in communication with the liquid discharge end of the circulating pump, the first pipe is in communication with the first liquid outlet, and the first pipe is provided with a first liquid valve, the second pipe is in communication with the second liquid outlet, and the second pipe is provided with a third liquid valve;

[0009] The sixth pipe is in communication with the liquid inlet end of the circulating pump, the fifth pipe is in communication with the first liquid outlet, and the fifth pipe is provided with a second liquid valve, the fourth pipe is in communication with the second liquid outlet, and the fourth pipe is provided with a fourth liquid valve.

[0010] The first liquid valve, the second liquid valve, the third liquid valve and the fourth liquid valve are all hand-operated on-off valves.

[0011] The first liquid valve, the second liquid valve, the third liquid valve and the fourth liquid valve are all electrically-operated on-off valves.

[0012] The first filter screen and the second filter screen are completely identical in structure, and the first filter screen has a filter screen surface protruding outward.

[0013] The first filter screen comprises a cylindrical portion, a top end of the cylindrical portion is capped by a hemispherical mesh portion, and an outer periphery of a bottom end of the cylindrical portion has a groove portion.

[0014] The bottom wall of the quenching tank has a sink at a top end of the first liquid outlet and the second liquid outlet, the bottom end of the first filter screen is fixed in the sink of the first liquid outlet, and the bottom end of the second filter screen is fixed in the sink of the second liquid outlet.

[0015] The metal quenching tank has the beneficial effect that the first filter screen and the second filter screen are switched between the filtering state and the backwashing state through switching of the backflush pipe group, the first filter screen and the second filter screen are cleaned by using the backwashing effect, and the probability of clogging and the frequency period of cleaning of the first filter screen and the second filter screen are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first working state structural schematic view of the utility model;

[0017] Figure 2 It is a second working state structural schematic view of the utility model;

[0018] Figure 3 It is a first filter screen or second filter screen structural schematic view of the utility model.

[0019] In the figure: the first filter screen 1, the second filter screen 2, the first liquid outlet 3, the second liquid outlet 4, the first liquid valve 5, the second liquid valve 6, the third liquid valve 7, the fourth liquid valve 8, the first pipeline 9, the second pipeline 10, the third pipeline 11, the fourth pipeline 12, the fifth pipeline 13, the sixth pipeline 14, the circulating pump 15, the mesh portion 16, the cylindrical portion 17, the groove portion 18. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] REFERENCE Figures 1-3 A metal quenching tank, the quenching tank has a first liquid outlet 3 and a second liquid outlet 4, the first liquid outlet 3 is provided with a first filter screen 1, the second liquid outlet 4 is provided with a second filter screen 2, the first liquid outlet 3 and the second liquid outlet 4 are connected and installed with a circulating pump 15 through a backflush pipe group, the backflush pipe group can make the first liquid outlet 3 discharge liquid and the second liquid outlet 4 intake liquid, and the backflush pipe group can make the first liquid outlet 3 intake liquid and the second liquid outlet 4 discharge liquid.

[0022] The device works, through the circulating pump 15 drive quenching liquid flow, reference Figure 1 , first through the backflush pipe group make first flow liquid port 3 discharge and second flow liquid port 4 inlet, second filter screen 2 is in the filtering state, first filter screen 1 is in the backflush state, work for a period of time, reference Figure 2 , through the backflush pipe group make first flow liquid port 3 inlet, second flow liquid port 4 discharge, first filter screen 1 is in the filtering state, second filter screen 2 is in the backflush state, through the backflush pipe group switching make first filter screen 1, second filter screen 2 switch between filtering state and backflush state, clean first filter screen 1, second filter screen 2 by backflush effect, reduce the probability of first filter screen 1, second filter screen 2 block and cleaning frequency cycle.

[0023] The backflush pipe group includes three-way first pipe 9, second pipe 10, third pipe 11 and three-way fourth pipe 12, fifth pipe 13, sixth pipe 14; third pipe 11 is communicated with circulating pump 15 discharge end, first pipe 9 is communicated with first flow liquid port 3, and first pipe 9 is provided with first liquid valve 5, second pipe 10 is communicated with second flow liquid port 4, and second pipe 10 is provided with third liquid valve 7; sixth pipe 14 is communicated with circulating pump 15 inlet, fifth pipe 13 is communicated with first flow liquid port 3, and fifth pipe 13 is provided with second liquid valve 6, fourth pipe 12 is communicated with second flow liquid port 4, and fourth pipe 12 is provided with fourth liquid valve 8.

[0024] Reference Figure 1 , when second filter screen 2 is in the filtering state and first filter screen 1 is in the backflush state, open first liquid valve 5 and fourth liquid valve 8, and close second liquid valve 6 and third liquid valve 7; when first filter screen 1 is in the filtering state and second filter screen 2 is in the backflush state, open second liquid valve 6 and third liquid valve 7, and close first liquid valve 5 and fourth liquid valve 8, which is simple and convenient to switch.

[0025] As an embodiment, first liquid valve 5, second liquid valve 6, third liquid valve 7 and fourth liquid valve 8 are all manual on-off valves, which are manually switched.

[0026] As an embodiment, first liquid valve 5, second liquid valve 6, third liquid valve 7 and fourth liquid valve 8 are all electric on-off valves, which are electrically opened or closed.

[0027] First filter screen 1 and second filter screen 2 are completely identical in structure, and first filter screen 1 has a filter screen surface protruding outward, which adopts an outward protruding structure to increase the filtering area of the filter screen.

[0028] Further, reference Figure 3The first filter screen 1 comprises a cylindrical portion 17, the top end of which is capped by a hemispherical screen portion 16, and the bottom end of which has a groove portion 18 on the outer periphery. The upper half of the filter screen is in the form of the hemispherical screen portion 16, and the lower half is in the form of the cylindrical portion 17 without filter holes. When liquid flows, it will move around the screen portion 16, and the flow speed around the cylindrical portion 17 is smaller. This is conducive to the deposition of impurities into the groove portion 18.

[0029] The bottom wall of the quenching tank has a sink at the top end of the first liquid outlet 3 and the second liquid outlet 4. The bottom end of the first filter screen 1 is fixed in the sink of the first liquid outlet 3, and the bottom end of the second filter screen 2 is fixed in the sink of the second liquid outlet 4. The first filter screen 1 and the second filter screen 2 are positioned by the sinks, and the installation convenience is improved.

[0030] As an embodiment, a permanent magnet is installed in the sink, and a ferromagnetic metal is installed at the bottom end of the first filter screen 1 and the second filter screen 2. The first filter screen 1 and the second filter screen 2 are fixed in the corresponding sinks by magnetic attraction, and the first filter screen 1 and the second filter screen 2 are convenient to disassemble for cleaning.

[0031] As an embodiment, a liquid cooling device is arranged at the liquid inlet of the circulating pump, and the circulating quenching liquid is cooled by the liquid cooling device. The liquid cooling device can be of an existing structure.

[0032] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can obtain technical solutions, concepts and designs according to the technical scheme and concept of the present application within the technical range disclosed by the present application, by equivalent replacement or change, which should be covered within the protection scope of the present application.

Claims

1. A metal quenching bath, said quenching bath having a first flow opening (3), a second flow opening (4), characterized in that, The first flow liquid port (3) is provided with a first filter screen (1), the second flow liquid port (4) is provided with a second filter screen (2), the first flow liquid port (3) and the second flow liquid port (4) are communicated by a backflush pipe group, the backflush pipe group can make the first flow liquid port (3) discharge liquid and the second flow liquid port (4) intake liquid, and the backflush pipe group can make the first flow liquid port (3) intake liquid and the second flow liquid port (4) discharge liquid.

2. A metal quenching bath according to claim 1, characterized in that The backflush pipe group comprises a three-way first pipe (9), a second pipe (10), a third pipe (11), a three-way fourth pipe (12), a fifth pipe (13) and a sixth pipe (14). The third pipe (11) is communicated with the liquid discharge end of the circulating pump (15), the first pipe (9) is communicated with the first flow liquid port (3), and the first pipe (9) is provided with a first liquid valve (5), the second pipe (10) is communicated with the second flow liquid port (4), and the second pipe (10) is provided with a third liquid valve (7). The sixth pipe (14) is communicated with the liquid intake end of the circulating pump (15), the fifth pipe (13) is communicated with the first flow liquid port (3), and the fifth pipe (13) is provided with a second liquid valve (6), the fourth pipe (12) is communicated with the second flow liquid port (4), and the fourth pipe (12) is provided with a fourth liquid valve (8).

3. A metal quenching bath according to claim 2, wherein The first liquid valve (5), the second liquid valve (6), the third liquid valve (7) and the fourth liquid valve (8) are all manual on-off valves.

4. A metal quenching bath according to claim 2, wherein The first liquid valve (5), the second liquid valve (6), the third liquid valve (7) and the fourth liquid valve (8) are all electric on-off valves.

5. A metal quenching bath according to any one of claims 1-4, characterized in that The first filter screen (1) and the second filter screen (2) are completely same in structure, and the first filter screen (1) has a filter screen surface protruding outward.

6. A metal quenching bath according to claim 5, wherein The first filter screen (1) comprises a cylinder portion (17), the top end of the cylinder portion (17) is capped by a hemispherical screen portion (16), and the bottom end of the cylinder portion (17) has a groove portion (18) on the outer periphery.

7. A metal quenching bath according to claim 6, wherein The bottom wall of the quenching tank has a sink at the top end of the first flow liquid port (3) and the second flow liquid port (4), the bottom end of the first filter screen (1) is fixed in the sink of the first flow liquid port (3), and the bottom end of the second filter screen (2) is fixed in the sink of the second flow liquid port (4).

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