Utility model content
In view of this, the purpose of this utility model is to provide a kind of vacuum heat treatment furnace cooling water recirculation system, can realize from scale removal, and cost is low, easy to operate.
The utility model provides a kind of vacuum heat treatment furnace cooling water recirculation system, comprising:
Vacuum heat treatment furnace cooling system, circulating water pool system and the scale remover recycle system;
Described vacuum heat treatment furnace cooling system, it is parallel with one another that circulating water pool system and the scale remover recycle system pass through cooling water circulation pipeline;
Described vacuum heat treatment furnace cooling system comprises the first cooling room; The first suction culvert communicated with described first cooling room and the first outlet pipeline;
Described circulating water pool system comprises circulating water pool; The second suction culvert communicated with described circulating water pool and the second outlet pipeline;
The described scale remover recycle system comprises scale remover recycle pump; The 3rd suction culvert communicated with described scale remover recycle pump and the 3rd outlet pipeline; Described 3rd suction culvert and the 3rd outlet pipeline are communicated by inner loop pipeline; Described inner loop pipeline is provided with discharge pipe line;
Described first suction culvert, the first outlet pipeline, the second suction culvert, the second outlet pipeline, the 3rd suction culvert, the 3rd outlet pipeline, inner loop pipeline, discharge pipe line are respectively arranged with by-pass valve control.
Preferably, described cooling water circulation pipeline comprises:
First cooling water circulation pipeline, the second cooling water circulation pipeline, the 3rd cooling water circulation pipeline, the 4th cooling water circulation pipeline;
Described first cooling water circulation pipeline communicates with the second cooling water circulation pipeline;
Described first cooling water circulation pipeline connection first suction culvert and the second outlet pipeline;
Described second cooling water circulation pipeline connection first suction culvert and the 3rd outlet pipeline;
Described 3rd cooling water circulation pipeline connection first outlet pipeline and the second suction culvert;
Described 4th cooling water circulation pipeline connection first outlet pipeline and the 3rd suction culvert;
Described first cooling water circulation pipeline, the second cooling water circulation pipeline, the 3rd cooling water circulation pipeline, the 4th cooling water circulation pipeline is respectively arranged with by-pass valve control.
Preferably, described vacuum heat treatment furnace cooling system also comprises:
Cooling room connecting pipeline one or more cooling rooms in parallel are passed through with described first cooling room;
Suction culvert and the outlet pipeline of the described cooling room in parallel with the first cooling room are respectively arranged with by-pass valve control.
The utility model provides a kind of vacuum heat treatment furnace cooling water recirculation system, comprising: vacuum heat treatment furnace cooling system, circulating water pool system and the scale remover recycle system; Described vacuum heat treatment furnace cooling system, it is parallel with one another that circulating water pool system and the scale remover recycle system pass through cooling water circulation pipeline; Described vacuum heat treatment furnace cooling system comprises the first cooling room; The first suction culvert communicated with described first cooling room and the first outlet pipeline; Described circulating water pool system comprises circulating water pool; The second suction culvert communicated with described circulating water pool and the second outlet pipeline; The described scale remover recycle system comprises scale remover recycle pump; The 3rd suction culvert communicated with described scale remover recycle pump and the 3rd outlet pipeline; Described 3rd suction culvert and the 3rd outlet pipeline are communicated by inner loop pipeline; Described inner loop pipeline is provided with discharge pipe line; Described first suction culvert, the first outlet pipeline, the second suction culvert, the second outlet pipeline, the 3rd suction culvert, the 3rd outlet pipeline, inner loop pipeline, discharge pipe line are respectively arranged with by-pass valve control.Compared with prior art, the vacuum heat treatment furnace cooling water recirculation system that the utility model provides first by circulating water pool system and scale remover system connectivity, then carries out internal recycle to scale remover system, realizes the preparation of scale remover; Then scale remover system is communicated with vacuum heat treatment furnace cooling system, realizes scale removal circulation, scale removal is carried out to the first cooling room; Again the discharge pipe line of circulating water pool system, vacuum heat treatment furnace cooling system and the scale remover recycle system is communicated with, realizes the sewage after to scale removal and discharge; Finally circulating water pool system is communicated with vacuum heat treatment furnace cooling system, realizes the cooling water circulation of normal production.The vacuum heat treatment furnace cooling water recirculation system that the utility model provides can be realized from scale removal by above-mentioned working process, and cost is low, easy to operate.
Embodiment
Core of the present utility model is to provide a kind of vacuum heat treatment furnace cooling water recirculation system, to realize carrying out from scale removal circulation waterway, thus improves the work-ing life of vacuum heat treatment furnace.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of vacuum heat treatment furnace cooling water recirculation system, comprising:
Vacuum heat treatment furnace cooling system, circulating water pool system and the scale remover recycle system;
Described vacuum heat treatment furnace cooling system, it is parallel with one another that circulating water pool system and the scale remover recycle system pass through cooling water circulation pipeline;
Described vacuum heat treatment furnace cooling system comprises the first cooling room; The first suction culvert communicated with described first cooling room and the first outlet pipeline;
Described circulating water pool system comprises circulating water pool; The second suction culvert communicated with described circulating water pool and the second outlet pipeline;
The described scale remover recycle system comprises scale remover recycle pump; The 3rd suction culvert communicated with described scale remover recycle pump and the 3rd outlet pipeline; Described 3rd suction culvert and the 3rd outlet pipeline are communicated by inner loop pipeline; Described inner loop pipeline is provided with discharge pipe line;
Described first suction culvert, the first outlet pipeline, the second suction culvert, the second outlet pipeline, the 3rd suction culvert, the 3rd outlet pipeline, inner loop pipeline, discharge pipe line are respectively arranged with by-pass valve control.
Refer to Fig. 1, the structural representation of the vacuum heat treatment furnace cooling water recirculation system that Fig. 1 provides for the utility model, wherein, 1 is the first cooling room, 2 is the first suction culvert, 3 is the first outlet pipeline, 4 is circulating water pool, 5 is the second suction culvert, 6 is the second outlet pipeline, 7 is scale remover recycle pump, 8 is the 3rd suction culvert, 9 is the 3rd outlet pipeline, 10 is inner loop pipeline, 11 is discharge pipe line, 12 ~ 19 is by-pass valve control, 20 is the first cooling water circulation pipeline, 21 is the second cooling water circulation pipeline, 22 is the 3rd cooling water circulation pipeline, 23 is the 4th cooling water circulation pipeline, 24 ~ 27 is by-pass valve control, 28 is the second cooling room, 29 is the 3rd cooling room, 30 is the 4th suction culvert, 31 is the 4th outlet pipeline, 32 is the 5th suction culvert, 33 is the 5th outlet pipeline, 34 ~ 37 is by-pass valve control, 38 is the first cooling room connecting pipeline, 39 is the second cooling room connecting pipeline, 40 is the 3rd cooling room connecting pipeline, 41 is the 4th cooling room connecting pipeline, 42 ~ 45 is by-pass valve control.
In the utility model, described vacuum heat treatment furnace cooling system comprises the first cooling room (1), the first suction culvert (2) and the first outlet pipeline (3); Described first suction culvert (2) is provided with by-pass valve control (12), described first outlet pipeline (3) is provided with by-pass valve control (13).As shown in Figure 2, wherein, 1 is the first cooling room to the structural representation of described first cooling room, and 54 is vacuum heat treatment furnace chamber.The utility model is not particularly limited described first cooling room (1), and object is for cooling vacuum heat treatment furnace chamber (54).Described first suction culvert (2) and the first outlet pipeline (3) are for being communicated with described first cooling room (1) with other structures, and ensureing that water coolant and scale remover can pass in and out the first cooling room (1), the utility model is not particularly limited described first suction culvert (2) and the first outlet pipeline (3).Described by-pass valve control (12) is for controlling the opening and closing of the first suction culvert (2), and described by-pass valve control (13) is for controlling the opening and closing of the first outlet pipeline (3); The utility model is not particularly limited described by-pass valve control (12) and by-pass valve control (13), adopts the valve opened and closed for pilot piping well known to those skilled in the art.
In the utility model, described vacuum heat treatment furnace cooling system is in parallel with circulating water pool system by cooling water circulation pipeline, realizes the circulation of vacuum heat treatment furnace cooling system and circulating water pool system.Described circulating water pool system comprises circulating water pool (4), the second suction culvert (5) and the second outlet pipeline (6); Described second suction culvert (5) is provided with by-pass valve control (14), described second outlet pipeline (6) is provided with by-pass valve control (15).In the utility model, described circulating water pool (4) is for providing water source for whole system, and the utility model is not particularly limited this.Described second suction culvert (5) and the second outlet pipeline (6) are for being communicated with described circulating water pool (4) with other structures, and ensureing that water coolant can pass in and out circulating water pool (4), the utility model is not particularly limited described second suction culvert (5) and the second outlet pipeline (6).Described by-pass valve control (14) is for controlling the opening and closing of the second suction culvert (5); Described by-pass valve control (15) is for controlling the opening and closing of the second outlet pipeline (6); The utility model is not particularly limited described by-pass valve control (14) and by-pass valve control (15), adopts the valve opened and closed for pilot piping well known to those skilled in the art.
In the utility model, described second outlet pipeline (6) is communicated with by the first cooling water circulation pipeline (20) with described first suction culvert (2), and described second suction culvert (5) is communicated with by the 3rd cooling water circulation pipeline (22) with described first outlet pipeline (3); The utility model is not particularly limited described first cooling water circulation pipeline (20) and the 3rd cooling water circulation pipeline (22).In the utility model, described first cooling water circulation pipeline (20) is provided with by-pass valve control (24), for controlling the opening and closing of described first cooling water circulation pipeline (20), the utility model is not particularly limited described by-pass valve control (24); Described 3rd cooling water circulation pipeline (22) is provided with by-pass valve control (26), for controlling the opening and closing of described 3rd cooling water circulation pipeline (22), the utility model is not particularly limited described by-pass valve control (26).
In the utility model, described vacuum heat treatment furnace cooling system is in parallel with the scale remover recycle system by cooling water circulation pipeline, realizes the circulation of vacuum heat treatment furnace cooling system and the scale remover recycle system.The described scale remover recycle system comprises scale remover recycle pump (7), the 3rd suction culvert (8) and the 3rd outlet pipeline (9); Described 3rd suction culvert (8) and the 3rd outlet pipeline (9) are communicated by inner loop pipeline (10); Described inner loop pipeline (10) is provided with discharge pipe line (11); Described 3rd suction culvert (8) is provided with by-pass valve control (16), described 3rd outlet pipeline (9) is provided with by-pass valve control (17), described inner loop pipeline (10) is provided with by-pass valve control (18), described discharge pipe line (11) is provided with by-pass valve control (19); Described discharge pipe line (11) is arranged between by-pass valve control (18) and the 3rd outlet pipeline (9).In the utility model, described scale remover recycle pump (7) is for the storage of scale remover and conveying, and described scale remover recycle pump (7) is preferably impeller pump.Described 3rd suction culvert (8) and the 3rd outlet pipeline (9) are for being communicated with described scale remover recycle pump (7) with other structures, and ensureing that scale remover and water coolant can pass in and out scale remover recycle pump (7), the utility model is not particularly limited described 3rd suction culvert (8) and the 3rd outlet pipeline (9).Described inner loop pipeline (10), for the preparation of scale remover, makes the scale remover recycle system realize internal recycle, and ensure that scale remover can pass through internal recycle dissolved dilution, the utility model is not particularly limited described inner loop pipeline (10).Described discharge pipe line (11) discharges system for the sewage after scale removal being completed, and the utility model is not particularly limited described discharge pipe line (11).Described by-pass valve control (16) is for controlling the opening and closing of the 3rd suction culvert (8), described by-pass valve control (17) is for controlling the opening and closing of the 3rd outlet pipeline (9), described by-pass valve control (18) is for controlling the opening and closing of inner loop pipeline (10), and described by-pass valve control (19) is for controlling the opening and closing of discharge pipe line (11); The utility model is not particularly limited described by-pass valve control (16), by-pass valve control (17), by-pass valve control (18) and by-pass valve control (19), adopts the valve opened and closed for pilot piping well known to those skilled in the art.
In the utility model, described 3rd outlet pipeline (9) is communicated with by the second cooling water circulation pipeline (21) with described first suction culvert (2), and described 3rd suction culvert (8) is communicated with by the 4th cooling water circulation pipeline (23) with described first outlet pipeline (3); The utility model is not particularly limited described second cooling water circulation pipeline (21) and the 4th cooling water circulation pipeline (23).In the utility model, described second cooling water circulation pipeline (21) is provided with by-pass valve control (25), for controlling the opening and closing of described second cooling water circulation pipeline (21), the utility model is not particularly limited described by-pass valve control (25); Described 4th cooling water circulation pipeline (23) is provided with by-pass valve control (27), for controlling the opening and closing of described 4th cooling water circulation pipeline (23), the utility model is not particularly limited described by-pass valve control (27).
In the utility model, described second cooling water circulation pipeline (21) communicates with described first cooling water circulation pipeline (20); Described 3rd cooling water circulation pipeline (22) communicates with described 4th cooling water circulation pipeline (23); The described scale remover recycle system is in parallel with described circulating water pool system by cooling water circulation pipeline, realizes the circulation of the scale remover recycle system and circulating water pool system.
In the utility model, described vacuum heat treatment furnace cooling system also comprises: with described first cooling room (1) by cooling room connecting pipeline the second cooling room (28) in parallel and the 3rd cooling room (29); The quantity of the utility model pair cooling room in parallel with described first cooling room (1) is not particularly limited, and is set to two herein; In the utility model, by the cooling room of parallel connection, can realize carrying out scale removal to multiple vacuum heat treatment furnace cooling system simultaneously.Described second cooling room (28) is identical with described first cooling room (1) with the structure of the 3rd cooling room (29), does not repeat them here.4th suction culvert (30) of described second cooling room (28) is communicated with described first suction culvert (2) by the first cooling room connecting pipeline (38), and the 4th outlet pipeline (31) of described second cooling room (28) is communicated with described first outlet pipeline (3) by the 3rd cooling room connecting pipeline (40); The utility model is not particularly limited described 4th suction culvert (30), the 4th outlet pipeline (31), the first cooling room connecting pipeline (38) and the 3rd cooling room connecting pipeline (40).In the utility model, described 4th suction culvert (30) is provided with by-pass valve control (34), for controlling the opening and closing of described 4th suction culvert (30); Described 4th outlet pipeline (31) is provided with by-pass valve control (35), for controlling the opening and closing of described 4th outlet pipeline (31); Described first cooling room connecting pipeline (38) is provided with by-pass valve control (42), for controlling the opening and closing of the first cooling room connecting pipeline (38); Described 3rd cooling room connecting pipeline (40) is provided with by-pass valve control (44), for controlling the opening and closing of the 3rd cooling room connecting pipeline (40); The utility model is not particularly limited described by-pass valve control (34), by-pass valve control (35), by-pass valve control (42) and by-pass valve control (44), adopts the valve opened and closed for pilot piping well known to those skilled in the art.
In the utility model, 5th suction culvert (32) of described 3rd cooling room (29) is communicated with described 4th suction culvert (30) by the second cooling room connecting pipeline (39), and the 5th outlet pipeline (33) of described 3rd cooling room (29) is communicated with described 4th outlet pipeline (31) by the 4th cooling room connecting pipeline (41); The utility model is not particularly limited described 5th suction culvert (32), the 5th outlet pipeline (33), the second cooling room connecting pipeline (39) and the 4th cooling room connecting pipeline (41).In the utility model, described 5th suction culvert (32) is provided with by-pass valve control (36), for controlling the opening and closing of described 5th suction culvert (32); Described 5th outlet pipeline (33) is provided with by-pass valve control (37), for controlling the opening and closing of described 5th outlet pipeline (33); Described second cooling room connecting pipeline (39) is provided with by-pass valve control (43), for controlling the opening and closing of the second cooling room connecting pipeline (39); Described 4th cooling room connecting pipeline (41) is provided with by-pass valve control (45), for controlling the opening and closing of the 4th cooling room connecting pipeline (41); The utility model is not particularly limited described by-pass valve control (36), by-pass valve control (37), by-pass valve control (43) and by-pass valve control (45), adopts the valve opened and closed for pilot piping well known to those skilled in the art.
In the utility model, described second cooling room connecting pipeline (39) communicates with described first cooling room connecting pipeline (38); Described 3rd cooling room connecting pipeline (40) communicates with described 4th cooling room connecting pipeline (41); Described first cooling room (1), the second cooling room (28) and the 3rd cooling room (29) parallel with one another.
In the utility model, described second cooling room (28) is connected with cooling water circulation pipeline preferably by circulation connecting pipeline respectively with the 3rd cooling room (29); Described circulation connecting pipeline is provided with by-pass valve control.The utility model is not particularly limited described circulation connecting pipeline; Describedly be arranged on the opening and closing of the valve on circulation connecting pipeline for pilot piping, the utility model is not particularly limited this.4th suction culvert (30) of described second cooling room (28) is connected with the first cooling water circulation pipeline (20) by the first circulation connecting pipeline, and the link position of described first circulation connecting pipeline and the first cooling water circulation pipeline (20) is arranged between by-pass valve control (24) and the second outlet pipeline (6); 4th outlet pipeline (31) of described second cooling room (28) is connected with the 3rd cooling water circulation pipeline (22) by the second circulation connecting pipeline, and the link position of described second circulation connecting pipeline and the 3rd cooling water circulation pipeline (22) is arranged between by-pass valve control (26) and the second suction culvert (5); Described first circulation connecting pipeline and the second circulation connecting pipeline are respectively arranged with by-pass valve control.
In the utility model, 5th suction culvert (32) of described 3rd cooling room (29) is connected with the first cooling water circulation pipeline (20) by the 3rd circulation connecting pipeline, and the link position of described 3rd circulation connecting pipeline and the first cooling water circulation pipeline (20) is arranged between by-pass valve control (24) and the second outlet pipeline (6); 5th outlet pipeline (33) of described 3rd cooling room (29) is connected with the 3rd cooling water circulation pipeline (22) by the 4th circulation connecting pipeline, and the link position of described 4th circulation connecting pipeline and the 3rd cooling water circulation pipeline (22) is arranged between by-pass valve control (26) and the second suction culvert (5); Described 3rd circulation connecting pipeline and the 4th circulation connecting pipeline are respectively arranged with by-pass valve control.
The vacuum heat treatment furnace cooling water recirculation system provided according to above-mentioned the utility model can realize from scale removal, and its working process is as follows:
(1) scale remover is prepared: open by-pass valve control (15), (16), (18), (24) and (25), close other by-pass valve controls simultaneously, water is injected to scale remover recycle pump (7) by circulating water pool (4), in scale remover recycle pump (7), add scale remover simultaneously, then closing control valve (15), (24) and (25), open by-pass valve control (17), carry out internal recycle, obtain the scale remover prepared.
(2) scale removal is carried out: closing control valve (18), open by-pass valve control (12), (13), (25) and (27) simultaneously, scale remover is injected to the first cooling room (1) by scale remover recycle pump (7), and carry out scale removal circulation, scale removal is carried out to the first cooling room (1).
(3) clean: closing control valve (16), (17) and (25), open by-pass valve control (15), (18), (19) and (24) simultaneously, water is injected to the first cooling room (1) by circulating water pool (4), clean, and the sewage after cleaning is discharged system.
(4) normal production refrigeration cycle is carried out: closing control valve (18), (19) and (27), open (13), (14) and (26) simultaneously, carry out normal production cooling water circulation.
The utility model provides a kind of vacuum heat treatment furnace cooling water recirculation system, comprising: vacuum heat treatment furnace cooling system, circulating water pool system and the scale remover recycle system; Described vacuum heat treatment furnace cooling system, it is parallel with one another that circulating water pool system and the scale remover recycle system pass through cooling water circulation pipeline; Described vacuum heat treatment furnace cooling system comprises the first cooling room; The first suction culvert communicated with described first cooling room and the first outlet pipeline; Described circulating water pool system comprises circulating water pool; The second water inlet pipe communicated with described circulating water pool and the second rising pipe; The described scale remover recycle system comprises scale remover recycle pump; The 3rd suction culvert communicated with described scale remover recycle pump and the 3rd outlet pipeline; Described 3rd suction culvert and the 3rd outlet pipeline are communicated by inner loop pipeline; Described inner loop pipeline is provided with discharge pipe line; Described first suction culvert, the first outlet pipeline, the second suction culvert, the second outlet pipeline, the 3rd suction culvert, the 3rd outlet pipeline, inner loop pipeline, discharge pipe line are respectively arranged with by-pass valve control.Compared with prior art, the vacuum heat treatment furnace cooling water recirculation system that the utility model provides first by circulating water pool system and scale remover system connectivity, then carries out internal recycle to scale remover system, realizes the preparation of scale remover; Then scale remover system is communicated with vacuum heat treatment furnace cooling system, realizes scale removal circulation, scale removal is carried out to the first cooling room; Again the discharge pipe line of circulating water pool system, vacuum heat treatment furnace cooling system and the scale remover recycle system is communicated with, realizes the sewage after to scale removal and discharge; Finally circulating water pool system is communicated with vacuum heat treatment furnace cooling system, realizes the cooling water circulation of normal production.The vacuum heat treatment furnace cooling water recirculation system that the utility model provides can be realized from scale removal by above-mentioned working process, and cost is low, easy to operate.
In order to further illustrate the utility model, be described in detail below by following examples.
Embodiment 1
The structural representation of the vacuum heat treatment furnace cooling water recirculation system that embodiment 1 provides, as described in Figure 3.Wherein, 1 is the first cooling room, 2 is the first suction culvert, 3 is the first outlet pipeline, 4 is circulating water pool, 5 is the second suction culvert, 6 is the second outlet pipeline, 7 is scale remover recycle pump, 8 is the 3rd suction culvert, 9 is the 3rd outlet pipeline, 10 is inner loop pipeline, 11 is discharge pipe line, 12 ~ 19 is by-pass valve control, 20 is the first cooling water circulation pipeline, 21 is the second cooling water circulation pipeline, 22 is the 3rd cooling water circulation pipeline, 23 is the 4th cooling water circulation pipeline, 24 ~ 27 is by-pass valve control, 28 is the second cooling room, 29 is the 3rd cooling room, 30 is the 4th suction culvert, 31 is the 4th outlet pipeline, 32 is the 5th suction culvert, 33 is the 5th outlet pipeline, 34 ~ 37 is by-pass valve control, 38 is the first cooling room connecting pipeline, 39 is the second cooling room connecting pipeline, 40 is the 3rd cooling room connecting pipeline, 41 is the 4th cooling room connecting pipeline, 42 ~ 45 is by-pass valve control, 46 is the first circulation connecting pipeline, 47 is the second circulation connecting pipeline, 48 is the 3rd circulation connecting pipeline, 49 is the 4th circulation connecting pipeline, 50 ~ 53 is by-pass valve control.
In the utility model, described vacuum heat treatment furnace cooling system comprises the first cooling room (1), the first suction culvert (2) and the first outlet pipeline (3); Described first suction culvert (2) is provided with by-pass valve control (12), described first outlet pipeline (3) is provided with by-pass valve control (13).
In the utility model, described vacuum heat treatment furnace cooling system is in parallel with circulating water pool system by cooling water circulation pipeline.Described circulating water pool system comprises circulating water pool (4), the second suction culvert (5) and the second outlet pipeline (6); Described second suction culvert (5) is provided with by-pass valve control (14), described second outlet pipeline (6) is provided with by-pass valve control (15).
In the utility model, described second outlet pipeline (6) is communicated with by the first cooling water circulation pipeline (20) with described first suction culvert (2); Described second suction culvert (5) is communicated with by the 3rd cooling water circulation pipeline (22) with described first outlet pipeline (3); Described first cooling water circulation pipeline (20) is provided with by-pass valve control (24); Described 3rd cooling water circulation pipeline (22) is provided with by-pass valve control (26).
In the utility model, described vacuum heat treatment furnace cooling system is in parallel with the scale remover recycle system by cooling water circulation pipeline.The described scale remover recycle system comprises scale remover recycle pump (7), the 3rd suction culvert (8) and the 3rd outlet pipeline (9); Described 3rd suction culvert (8) and the 3rd outlet pipeline (9) are communicated by inner loop pipeline (10); Described inner loop pipeline (10) is provided with discharge pipe line (11); Described 3rd suction culvert (8) is provided with by-pass valve control (16), described 3rd outlet pipeline (9) is provided with by-pass valve control (17), described inner loop pipeline (10) is provided with by-pass valve control (18), described discharge pipe line (11) is provided with by-pass valve control (19); Described discharge pipe line (11) is arranged between by-pass valve control (18) and the 3rd outlet pipeline (9).
In the utility model, described 3rd outlet pipeline (9) is communicated with by the second cooling water circulation pipeline (21) with described first suction culvert (2); Described 3rd suction culvert (8) is communicated with by the 4th cooling water circulation pipeline (23) with described first outlet pipeline (3); Described second cooling water circulation pipeline (21) is provided with by-pass valve control (25); Described 4th cooling water circulation pipeline (23) is provided with by-pass valve control (27).
In the utility model, described second cooling water circulation pipeline (21) communicates with described first cooling water circulation pipeline (20); Described 3rd cooling water circulation pipeline (22) communicates with described 4th cooling water circulation pipeline (23); The described scale remover recycle system is in parallel with described circulating water pool system by cooling water circulation pipeline.
In the utility model, described vacuum heat treatment furnace cooling system also comprises: with described first cooling room (1) by cooling room connecting pipeline the second cooling room (28) in parallel and the 3rd cooling room (29); 4th suction culvert (30) of described second cooling room (28) is communicated with described first suction culvert (2) by the first cooling room connecting pipeline (38); 4th outlet pipeline (31) of described second cooling room (28) is communicated with described first outlet pipeline (3) by the 3rd cooling room connecting pipeline (40); Described 4th suction culvert (30) is provided with by-pass valve control (34); Described 4th outlet pipeline (31) is provided with by-pass valve control (35); Described first cooling room connecting pipeline (38) is provided with by-pass valve control (42); Described 3rd cooling room connecting pipeline (40) is provided with by-pass valve control (44).
In the utility model, the 5th suction culvert (32) of described 3rd cooling room (29) is communicated with described 4th suction culvert (30) by the second cooling room connecting pipeline (39); 5th outlet pipeline (33) of described 3rd cooling room (29) is communicated with described 4th outlet pipeline (31) by the 4th cooling room connecting pipeline (41); Described 5th suction culvert (32) is provided with by-pass valve control (36); Described 5th outlet pipeline (33) is provided with by-pass valve control (37); Described second cooling room connecting pipeline (39) is provided with by-pass valve control (43); Described 4th cooling room connecting pipeline (41) is provided with by-pass valve control (45).
In the utility model, described second cooling room connecting pipeline (39) communicates with described first cooling room connecting pipeline (38); Described 3rd cooling room connecting pipeline (40) communicates with described 4th cooling room connecting pipeline (41); Described first cooling room (1), the second cooling room (28) and the 3rd cooling room (29) parallel with one another.
In the utility model, 4th suction culvert (30) of described second cooling room (28) is connected with the first cooling water circulation pipeline (20) by the first circulation connecting pipeline (46), the link position of described first circulation connecting pipeline and the first cooling water circulation pipeline (20) is arranged between by-pass valve control (24) and the second outlet pipeline (6), and described first circulation connecting pipeline (46) is provided with by-pass valve control (50); 4th outlet pipeline (31) of described second cooling room (28) is connected with the 3rd cooling water circulation pipeline (22) by the second circulation connecting pipeline (47), and the link position of described second circulation connecting pipeline and the 3rd cooling water circulation pipeline (22) is arranged between by-pass valve control (26) and the second suction culvert (5); Described second circulation connecting pipeline (47) is provided with by-pass valve control (51).
In the utility model, 5th suction culvert (32) of described 3rd cooling room (29) is connected with the first cooling water circulation pipeline (20) by the 3rd circulation connecting pipeline (48), the link position of described 3rd circulation connecting pipeline (48) and the first cooling water circulation pipeline (20) is arranged between by-pass valve control (24) and the second outlet pipeline (6), and described 3rd circulation connecting pipeline (48) is provided with by-pass valve control (52); 5th outlet pipeline (33) of described 3rd cooling room (29) is connected with the 3rd cooling water circulation pipeline (22) by the 4th circulation connecting pipeline (49), and the link position of described 4th circulation connecting pipeline (49) and the 3rd cooling water circulation pipeline (22) is arranged between by-pass valve control (26) and the second suction culvert (5); Described 4th circulation connecting pipeline (49) is provided with by-pass valve control (53).
The vacuum heat treatment furnace cooling water recirculation system provided according to above-described embodiment 1 can realize from scale removal, and its working process is as follows:
(1) scale remover is prepared: open by-pass valve control (15), (16), (18), (24) and (25), close other by-pass valve controls simultaneously, water is injected to scale remover recycle pump (7) by circulating water pool (4), in scale remover recycle pump (7), add scale remover simultaneously, then closing control valve (15), (24) and (25), open by-pass valve control (17), carry out internal recycle, obtain the scale remover prepared.
(2) scale removal is carried out: closing control valve (18), open by-pass valve control (12), (13), (25) and (27) simultaneously, scale remover is injected to the first cooling room (1) by scale remover recycle pump (7), and carry out scale removal circulation, scale removal is carried out to the first cooling room (1).
(3) clean: closing control valve (16), (17) and (25), open by-pass valve control (15), (18), (19) and (24) simultaneously, water is injected to the first cooling room (1) by circulating water pool (4), clean, and the sewage after cleaning is discharged system.
(4) normal production refrigeration cycle is carried out: closing control valve (18), (19) and (27), open (13), (14) and (26) simultaneously, carry out normal production cooling water circulation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.