CN210146944U - Hot mould centrifugal nodular cast iron pipe die steam recovery device - Google Patents
Hot mould centrifugal nodular cast iron pipe die steam recovery device Download PDFInfo
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Abstract
The utility model provides a hot mould method centrifugation nodular cast-iron pipe die steam recovery unit belongs to cast tube production facility technical field. The utility model provides a collect cover, first condenser and draught fan including steam. The utility model discloses a set up steam and collect cover, first condenser and draught fan, absorb the steam that pipe die department produced and cool off after the first condenser, can effectively retrieve the steam that produces in the pipe die cooling process, avoid it to spread to form the white cigarette in the air, reduce the influence to external environment and production environment, be favorable to the production place to go on in order; and the water in the whole device forms water circulation and heat circulation, thereby avoiding the production of hot water (namely cooling soft water) by consuming energy additionally, and saving a large amount of energy and cooling soft water.
Description
Technical Field
The utility model belongs to the technical field of cast tube production facility, more specifically say, relate to a hot mould method centrifugation nodular cast-iron pipe die steam recovery unit.
Background
At present, most of centrifuge cooling systems for producing large-caliber nodular cast iron pipes by a hot mold method adopt the following process flows: the water conveyed from the clean water pump is subjected to spray cooling through the nozzle pipe die by the spray head, the cooled water flows to the water collecting tank through the underground water channel, is primarily precipitated in the water collecting tank and conveyed to the filter by the turbid water pump to filter turbid circulating water to remove suspended matters, the filtered water enters the cold water rack for cooling, the low-temperature water enters the clean water tank and is conveyed to the centrifuge by the clean water pump for cooling the pipe die to form closed circulation, and the loss part of the circulating water is supplemented with soft water in the clean water tank.
Recently, the original hot die centrifuge cooling system is improved, an atomization cooling process is adopted, atomized water sprayed onto a pipe die is almost completely gasified, the water is changed from a liquid state to a gaseous state, the heat absorption capacity of the mode is much larger than that of liquid water due to temperature change, and the integral usage amount of cooling water is greatly saved. However, a large amount of steam is generated in the production process by the cooling mode, and the steam is directly diffused into the air, so that white smoke is formed, the environment is polluted, and the enterprise image is influenced; moreover, the humidity in the production workshop is increased, the visibility is reduced, the workload of the ventilation system is increased, and the ordered production is not facilitated; meanwhile, the atomization cooling process adopts hot water to cool the pipe die, and the random discharge of steam can also cause the waste of a large amount of energy and cooling soft water.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hot mould method centrifugation nodular cast-iron pipe die steam recovery unit to solve the influence environment that the steam direct emission that the hot mould method centrifugation nodular cast-iron pipe production that exists among the prior art produced and cause and the technical problem of normal production and energy and water waste.
In order to achieve the above object, the utility model adopts the following technical scheme: the hot mold centrifugal nodular cast iron pipe die steam recovery device comprises a steam collecting cover, a first condenser and an induced draft fan, wherein the steam collecting cover is used for covering the pipe die; the first condenser is internally provided with a first condensation channel and a first cooling channel, the first condensation channel is in heat exchange connection with the first cooling channel, the first condensation channel is provided with a steam inlet, a first air outlet and a first condensed water outlet, the first cooling channel is provided with a first water inlet and a first water outlet, the steam inlet is connected with the steam collecting cover, the first condensed water outlet is connected with the first water inlet, and the first water outlet is used for being connected with a water spray cooling device; the draught fan is connected with the first air outlet and used for providing wind power for absorbing steam for the first condensation channel and the steam collecting cover.
Further, in the steam recovery device for the pipe die of the centrifugal nodular cast iron pipe by the hot die method, the first condensed water outlet is connected with the first water inlet through a heat dissipation pipeline or a heat dissipation mechanism.
Further, in the foregoing hot mold centrifugal recovery device for recovering steam from a pipe mold of a nodular cast iron pipe, the method further comprises: the water collecting tank is connected with the first condensed water outlet and used for receiving condensed water; the filtering system is connected with the water collecting tank and is used for filtering water in the water collecting tank to form soft water; and the soft water storage tank is connected with the filtering system and the first water inlet and is used for storing soft water.
Furthermore, the hot mold centrifugal nodular cast iron pipe die steam recovery device further comprises a water supplementing pipe, a water supplementing valve and a water level control module, wherein the water supplementing pipe is used for supplementing soft water to a soft water storage tank; the water replenishing valve is arranged on the water replenishing pipe and used for controlling the opening and closing of the water replenishing pipe; the water level control module is arranged in the soft water storage tank and connected with the water replenishing valve, and is used for controlling the water replenishing valve to be opened when the water level in the soft water storage tank is lower than a first preset value and controlling the water replenishing valve to be closed when the water level in the soft water storage tank is higher than a second preset value.
Further, in the foregoing hot mold method centrifugal nodular cast iron pipe die steam recovery device, a first water pump is provided between the water collecting tank and the filtering system, a second water pump is provided between the soft water storage tank and the first water inlet, the water collecting tank, the filtering system and the soft water storage tank are all insulation structures, and the first condensed water outlet and the water collecting tank, the water collecting tank and the filtering system, and the soft water storage tank and the first water inlet are all connected by insulation pipelines.
Furthermore, the device for recovering the steam of the pipe die of the centrifugal nodular cast iron pipe by the hot die method further comprises a flow valve, a heater, a temperature sensor and a controller, wherein the flow valve is arranged on the first water inlet; the heater is arranged on the first water outlet and is used for heating water flowing out of the first water outlet; the temperature sensor is arranged on the first water outlet and used for detecting the temperature of water flowing out of the first water outlet; the controller is respectively electrically connected with the flow valve, the heater and the temperature sensor and is used for controlling the water delivery flow of the flow valve and the heating efficiency of the heater according to temperature data fed back by the temperature sensor.
Further, among the aforesaid hot mould centrifugal nodular cast iron pipe die steam recovery unit, still include the second condenser, the second condenser is established between first condenser and draught fan, and is connected with first condenser and draught fan respectively for carry out the condensation dewatering to the air that the first condenser was discharged.
Further, in the device for recovering the pipe die steam of the centrifugal nodular cast iron pipe by the hot die method, a second condensation channel and a second cooling channel are arranged in a second condenser, the second condensation channel is in heat exchange connection with the second cooling channel, the second condensation channel is provided with an air inlet, a second air outlet and a second condensed water outlet, the second cooling channel is provided with a second water inlet and a second water outlet, the air inlet is connected with the first air outlet, the second condensed water outlet is communicated with the first cooling channel, and the second air outlet is connected with an induced draft fan; the hot mold centrifugal nodular cast iron pipe die steam recovery device further comprises a cold water rack, a circulating water tank and a third water pump, wherein the cold water rack is connected with the second water outlet and used for cooling water flowing out of the second water outlet; the circulating water pool is connected with the cold water rack and used for receiving water cooled by the cold water rack; the input end of the third water pump is connected with the circulating water pool, and the output end of the third water pump is connected with the second water inlet.
Further, in the steam recovery device for the pipe die of the centrifugal nodular cast iron pipe by the hot die method, the steam collection cover comprises a cover body, a folding mechanism and a lifting mechanism, wherein the cover body is used for covering the pipe die; the folding mechanism is used for folding and unfolding the cover body; the lifting mechanism is used for adjusting the height of the cover body.
Further, in the device for recovering steam from the pipe die of the centrifugal nodular cast iron pipe by the hot die method, the steam collecting cover comprises a supporting frame, a lifting oil cylinder, a first cover body, a first angle oil cylinder, a second cover body, a second angle oil cylinder and a steam collecting pipe, wherein one end of the lifting oil cylinder is connected with the working surface, and the other end of the lifting oil cylinder is connected with the supporting frame and used for adjusting the height of the supporting frame; the first cover body is used for covering one side above the pipe die, and one side edge of the first cover body is hinged with the middle part of the support frame; one end of the first angle oil cylinder is hinged with the support frame, and the other end of the first angle oil cylinder is hinged with the first cover body and used for adjusting the angle of the first cover body; the second cover body is used for covering the other side above the pipe die, one side edge of the second cover body is hinged with the middle part of the support frame, the hinged shaft is parallel to or coincided with the hinged shaft of the first cover body and the support frame, and the hinged side of the second cover body is hermetically connected with the connecting side of the first cover body and the support frame; one end of the second angle oil cylinder is hinged with the support frame; the other end of the second cover body is hinged with the second cover body and is used for adjusting the angle of the second cover body; the steam collecting pipe is a hose and is arranged on the first cover body and/or the second cover body and used for collecting steam between the first cover body and the second cover body.
The utility model provides a hot mould method centrifugation nodular cast-iron pipe die steam recovery unit's beneficial effect lies in: compared with the prior art, the utility model has the advantages that the steam collecting cover, the first condenser and the draught fan are arranged, the steam generated at the pipe die is absorbed into the first condenser and then cooled, the steam generated in the cooling process of the pipe die can be effectively recovered, the steam is prevented from diffusing into the air to form white smoke, the influence on the external environment and the production environment is reduced, and the ordered production is facilitated; and the water in the whole device forms water circulation and heat circulation, thereby avoiding the production of hot water (namely cooling soft water) by consuming energy additionally, and saving a large amount of energy and cooling soft water.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a hot mold centrifugal nodular cast iron pipe die steam recovery device provided by the embodiment of the utility model;
FIG. 2 is an enlarged schematic view of a dotted frame of FIG. 1;
fig. 3 is the embodiment of the utility model provides a side view structure sketch map of hot mould centrifugal nodular cast-iron pipe die steam recovery unit's steam collection cover position.
Wherein, in the figures, the respective reference numerals:
10-a steam collection hood;
11-a support frame; 12-a lift cylinder; 13-a first cover; 14-a first angle cylinder;
15-a second cover; 16-a second angle cylinder; 17-a steam collection pipe;
20-a first condenser;
21-a first condensation channel; 22-a steam inlet; 23-a first air outlet; 24-a first condensate outlet;
25-a first cooling channel; 26-a first water inlet; 27-a first water outlet;
30-a second condenser;
31-a second condensation channel; 32-air inlet; 33-a second air outlet; 34-a second condensate outlet;
35-a second cooling channel; 36-a second water inlet; 37-a second water outlet;
40-an induced draft fan;
51-a water collecting tank; 52-a filtration system; 53-soft water storage tank; 54-water replenishing pipe;
55-water replenishing valve; 56-water level control module; 57-a first water pump; 58-a second water pump;
61-a heater; 62-a temperature sensor; 63-a controller; 64-flow valve;
71-a cold water rack; 72-a circulating water pool; 73-a third water pump;
80-water spray cooling device;
a 90-tube die; 91-chimney.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and fig. 2 together, the steam recycling device for the pipe mold of the centrifugal ductile cast iron pipe by the hot mold method according to the present invention will now be described. The hot mold centrifugal nodular cast iron pipe die steam recovery device comprises a steam collecting cover 10, a first condenser 20 and an induced draft fan 40, wherein the steam collecting cover 10 is used for covering the pipe die 90; a first condensation channel 21 and a first cooling channel 25 are arranged in the first condenser 20, the first condensation channel 21 is in heat exchange connection with the first cooling channel 25, the first condensation channel 21 is provided with a steam inlet 22, a first air outlet 23 and a first condensed water outlet 24, the first cooling channel 25 is provided with a first water inlet 26 and a first water outlet 27, the steam inlet 22 is connected with the steam collecting cover 10, the first condensed water outlet 24 is connected with the first water inlet 26, and the first water outlet 27 is used for being connected with a water spray cooling device 80; the induced draft fan 40 is connected with the first air outlet 23 and is used for providing wind power for absorbing steam for the first condensing channel 21 and the steam collecting cover 10.
During use, the water in the whole device forms a circulation, namely: after the heat exchange between the first condensation channel 21 and the first cooling channel 25, the water in the first cooling channel 25 has a higher temperature after absorbing the heat of the steam, and the high-temperature water enters the water spray cooling device 80 from the first water outlet 27, can be quickly vaporized after contacting the pipe die 90 to absorb heat, thereby improving the cooling effect; the high-temperature steam and the normal-temperature air are absorbed by the steam collecting cover 10 and enter the first condensing channel 21, condensed water and high-temperature air are generated under the double effects of the mixed heat exchange of the high-temperature steam and the normal-temperature air and the heat exchange of the first condensing channel 21 and the first cooling channel 25, and the high-temperature air is discharged from the induced draft fan 40; and the condensed water enters the first water inlet 26 from the first condensed water outlet 24, then enters the first cooling channel 25, exchanges heat with the mixture of the steam and the air in the first condensing channel 21, and finally enters the water spray cooling device 80 from the first water outlet 27.
In the whole process, water keeps the state of high temperature all the time, and temperature fluctuation is less, is favorable to carrying out stable cooling to pipe die 90, and the heat that pipe die gived off is equivalent to in having transferred the air, forms high temperature air and is discharged.
Compared with the prior art, the hot mould centrifugal nodular cast iron pipe die steam recovery device provided by the utility model has the advantages that steam generated at the pipe die 90 is absorbed into the first condenser 20 and then cooled by arranging the steam collecting cover 10, the first condenser 20 and the draught fan 40, so that steam generated in the pipe die cooling process can be effectively recovered, the steam is prevented from diffusing into the air to form white smoke, the influence on the external environment and the production environment is reduced, and the production is favorably and orderly carried out; and the water in the whole device forms water circulation and heat circulation, thereby avoiding the production of hot water (namely cooling soft water) by consuming energy additionally, and saving a large amount of energy and cooling soft water.
Please refer to fig. 1 and fig. 2 together, as a specific embodiment of the hot mold centrifugal ductile cast iron pipe die steam recycling device provided by the present invention, the first condensed water outlet 24 is connected with the first water inlet 26 through a heat dissipation pipeline or a heat dissipation mechanism, so as to cool the water to a certain degree, avoid the high temperature air in the first air outlet 23 from bringing out too much steam, and adjust the temperature of the water entering the first water inlet 26.
Referring to fig. 1, as a specific implementation manner of the hot mold centrifugal nodular cast iron pipe die steam recycling device provided by the present invention, the present invention further includes: a water collecting tank 51, a filtering system 52 and a soft water storage tank 53, wherein the water collecting tank 51 is connected with the first condensed water outlet 24 and is used for receiving condensed water; the filtering system 52 is connected with the collecting tank 51 and is used for filtering the water in the collecting tank 51 to form soft water; and a soft water storage tank 53 connected to the filter system 52 and connected to the first water inlet 26 for storing soft water. The water collecting tank 51, the filtering system 52 and the soft water storage tank 53 can not only play a role in heat dissipation to a certain degree, but also purify impurities introduced by sucked air, ensure good water quality and avoid scaling in the pipeline.
Referring to fig. 1, as a specific embodiment of the hot mold centrifugal nodular cast iron pipe die steam recovery device provided by the present invention, the device further comprises a water replenishing pipe 54, a water replenishing valve 55 and a water level control module 56, wherein the water replenishing pipe 54 is used for replenishing soft water to the soft water storage tank 53; the water replenishing valve 55 is arranged on the water replenishing pipe 54 and used for controlling the opening and closing of the water replenishing pipe 54; the water level control module 56 is disposed in the soft water storage tank 53 and connected to the water replenishing valve 55, and is configured to control the water replenishing valve 55 to open when the water level in the soft water storage tank 53 is lower than a first preset value, and control the water replenishing valve 55 to close when the water level in the soft water storage tank 53 is higher than a second preset value. Since the high temperature air in the first outlet 23 brings out steam, the amount of water in the device is reduced, and thus the provision of the automatic water replenishing mechanism can conveniently keep the amount of water sufficient. The water replenishing valve 55 and the water level control module 56 may be mechanical or electrical.
Please refer to fig. 1, as a specific embodiment of the hot mold centrifugal nodular cast iron pipe die steam recycling device provided by the present invention, a first water pump 57 is provided between the water collecting tank 51 and the filtering system 52, a second water pump 58 is provided between the soft water storage tank 53 and the first water inlet 26, the water collecting tank 51, the filtering system 52 and the soft water storage tank 53 are all heat insulation structures, and the first condensed water outlet 24 and the water collecting tank 51, the water collecting tank 51 and the filtering system 52, and the soft water storage tank 53 and the first water inlet 26 are all connected by heat insulation pipelines.
Referring to fig. 1, as a specific embodiment of the device for recovering steam from a pipe mold of a centrifugal ductile cast iron pipe by a hot mold method provided by the present invention, the device further comprises a flow valve 64, a heater 61, a temperature sensor 62 and a controller 63, wherein the flow valve 64 is arranged on the first water inlet 26; the heater 61 is arranged on the first water outlet 27 and is used for heating water flowing out of the first water outlet 27; the temperature sensor 62 is arranged on the first water outlet 27 and is used for detecting the temperature of water flowing out of the first water outlet 27; the controller 63 is electrically connected to the flow valve 64, the heater 61 and the temperature sensor 62, respectively, and is used for controlling the water delivery flow of the flow valve 64 and the heating efficiency of the heater 61 according to the temperature data fed back by the temperature sensor 62.
The temperature sensor 62 detects the temperature of the water flowing out from the first water outlet 27 and transmits the temperature to the controller 63, when the temperature is higher than a certain threshold value, the controller 63 controls the heater 61 to stop heating and controls the flow valve 64 to be opened to be large, the circulation of the water in the first cooling channel 25 is increased, and the cooling efficiency is improved; when the temperature is lower than a certain threshold, the controller 63 controls the heater 61 to start heating, or controls the flow valve 64 to be reduced, reducing the circulation of water in the first cooling passage 25, and lowering the cooling efficiency. Through the above adjustment process, the water temperature of the water that cools the pipe die 90 is kept stable.
Please refer to fig. 1, as a specific embodiment of the present invention, the present invention further comprises a second condenser 30, the second condenser 30 is disposed between the first condenser 20 and the induced draft fan 40, and is respectively connected to the first condenser 20 and the induced draft fan 40, for condensing and dewatering the air exhausted from the first condenser 20. The second condenser 30 is used to further condense the steam brought out by the high temperature air in the first air outlet 23.
Referring to fig. 1, as a specific embodiment of the device for recovering steam from a pipe mold of a centrifugal nodular cast iron pipe by a hot mold method provided by the present invention, a second condensing channel 31 and a second cooling channel 35 are arranged inside a second condenser 30, the second condensing channel 31 is in heat exchange connection with the second cooling channel 35, the second condensing channel 31 is provided with an air inlet 32, a second air outlet 33 and a second condensed water outlet 34, the second cooling channel 35 is provided with a second water inlet 36 and a second water outlet 37, the air inlet 32 is connected with the first air outlet 23, the second condensed water outlet 34 is communicated with the first cooling channel 25, and the second air outlet 33 is connected with an induced draft fan 40; the hot mold centrifugal ductile cast iron pipe die steam recovery device further comprises a cold water frame 71, a circulating water pool 72 and a third water pump 73, wherein the cold water frame 71 is connected with the second water outlet 37 and is used for cooling water flowing out of the second water outlet 37; the circulating water tank 72 is connected with the cold water rack 71 and used for receiving the water cooled by the cold water rack 71; the input end of the third water pump 73 is connected with the circulating water pool 72, and the output end is connected with the second water inlet 36.
Referring to fig. 3, as a specific embodiment of the steam recycling device for the pipe die of the hot-molding centrifugal nodular cast iron pipe provided by the present invention, the steam collecting cover 10 includes a cover body, a folding mechanism and a lifting mechanism, the cover body is used for covering the pipe die 90; the folding mechanism is used for folding and unfolding the cover body; the lifting mechanism is used for adjusting the height of the cover body.
Referring to fig. 3, as a specific embodiment of the hot mold centrifugal nodular cast iron pipe die steam recycling device provided by the present invention, the steam collecting cover 10 includes a supporting frame 11, a lift cylinder 12, a first cover 13, a first angle cylinder 14, a second cover 15, a second angle cylinder 16 and a steam collecting pipe 17, one end of the lift cylinder 12 is connected with the working surface, and the other end is connected with the supporting frame 11 for adjusting the height of the supporting frame 11; the first cover body 13 is used for covering one side above the pipe die 90, and one side edge of the first cover body is hinged with the middle part of the support frame 11; one end of the first angle oil cylinder 14 is hinged with the support frame 11, and the other end of the first angle oil cylinder is hinged with the first cover body 13 and used for adjusting the angle of the first cover body 13; the second cover body 15 is used for covering the other side above the pipe die 90, one side edge of the second cover body is hinged with the middle part of the support frame 11, a hinged shaft is parallel to or coincided with a hinged shaft of the first cover body 13 and the support frame 11, and the hinged side is hermetically connected with the connection side of the first cover body 13 and the support frame 11; one end of the second angle oil cylinder 16 is hinged with the support frame 11; the other end is hinged with the second cover body 15 and is used for adjusting the angle of the second cover body 15; the steam collecting pipe 17 is a hose, is arranged on the first cover body 13 and/or the second cover body 15, and is used for collecting steam between the first cover body 13 and the second cover body 15.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a hot mould method centrifugation nodular cast-iron pipe die steam recovery unit which characterized in that includes:
the steam collecting cover is used for covering the upper part of the pipe die;
the first condenser is internally provided with a first condensation channel and a first cooling channel, the first condensation channel is in heat exchange connection with the first cooling channel, the first condensation channel is provided with a steam inlet, a first air outlet and a first condensed water outlet, the first cooling channel is provided with a first water inlet and a first water outlet, the steam inlet is connected with the steam collecting cover, the first condensed water outlet is connected with the first water inlet, and the first water outlet is used for being connected with a water spray cooling device; and
the draught fan is connected with the first air outlet and used for providing wind power for absorbing steam for the first condensation channel and the steam collecting cover.
2. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1, wherein the first condensed water outlet is connected with the first water inlet through a heat dissipation pipeline or a heat dissipation mechanism.
3. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1 or 2, further comprising:
the water collecting tank is connected with the first condensed water outlet and used for receiving condensed water;
the filtering system is connected with the water collecting tank and is used for filtering water in the water collecting tank to form soft water; and
and the soft water storage tank is connected with the filtering system and the first water inlet for storing soft water.
4. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 3, further comprising:
the water replenishing pipe is used for replenishing soft water to the soft water storage tank;
the water replenishing valve is arranged on the water replenishing pipe and used for controlling the opening and closing of the water replenishing pipe; and
and the water level control module is arranged in the soft water storage tank and connected with the water supplementing valve, and is used for controlling the water supplementing valve to be opened after the water level in the soft water storage tank is lower than a first preset value, and controlling the water supplementing valve to be closed after the water level in the soft water storage tank is higher than a second preset value.
5. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 3, wherein a first water pump is arranged between the water collecting tank and the filtering system, a second water pump is arranged between the soft water storing tank and the first water inlet, the water collecting tank, the filtering system and the soft water storing tank are all thermal insulation structures, and the first condensed water outlet and the water collecting tank, the water collecting tank and the filtering system and the soft water storing tank and the first water inlet are all connected through thermal insulation pipelines.
6. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1, further comprising:
the flow valve is arranged on the first water inlet;
the heater is arranged on the first water outlet and used for heating water flowing out of the first water outlet;
the temperature sensor is arranged on the first water outlet and used for detecting the temperature of water flowing out of the first water outlet; and
and the controller is respectively electrically connected with the flow valve, the heater and the temperature sensor and is used for controlling the water delivery flow of the flow valve and the heating efficiency of the heater according to the temperature data fed back by the temperature sensor.
7. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1, further comprising:
and the second condenser is arranged between the first condenser and the draught fan and is respectively connected with the first condenser and the draught fan for condensing and dewatering the air exhausted by the first condenser.
8. The device for recovering the steam from the pipe die of the nodular cast iron pipe centrifuged by the hot mold method as claimed in claim 7, wherein a second condensation channel and a second cooling channel are arranged in the second condenser, the second condensation channel is in heat exchange connection with the second cooling channel, the second condensation channel is provided with an air inlet, a second air outlet and a second condensed water outlet, the second cooling channel is provided with a second water inlet and a second water outlet, the air inlet is connected with the first air outlet, the second condensed water outlet is communicated with the first cooling channel, and the second air outlet is connected with the induced draft fan;
the hot mould centrifugal nodular cast iron pipe die steam recovery device further comprises:
the water cooling rack is connected with the second water outlet and used for cooling water flowing out of the second water outlet;
the circulating water pool is connected with the cold water rack and used for receiving the water cooled by the cold water rack; and
and the input end of the third water pump is connected with the circulating water pool, and the output end of the third water pump is connected with the second water inlet.
9. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1, wherein the steam collecting cover comprises:
the cover body is used for covering the upper part of the pipe die;
the folding mechanism is used for folding and unfolding the cover body; and
and the lifting mechanism is used for adjusting the height of the cover body.
10. The steam recovery device for the pipe die of the nodular cast iron pipe centrifuged by the hot die method as claimed in claim 1 or 9, wherein the steam collecting cover comprises:
a support frame;
one end of the lifting oil cylinder is connected with the working surface, and the other end of the lifting oil cylinder is connected with the support frame and used for adjusting the height of the support frame;
the first cover body is used for covering one side above the pipe die, and one side edge of the first cover body is hinged with the middle part of the support frame;
one end of the first angle oil cylinder is hinged with the supporting frame; the other end of the first cover body is hinged with the first cover body and is used for adjusting the angle of the first cover body;
the second cover body is used for covering the other side above the pipe die, one side of the second cover body is hinged with the middle part of the support frame, and the hinged side of the second cover body is hermetically connected with the joint side of the first cover body and the support frame;
one end of the second angle oil cylinder is hinged with the support frame, and the other end of the second angle oil cylinder is hinged with the second cover body and used for adjusting the angle of the second cover body;
and the steam collecting pipe is arranged on the first cover body and/or the second cover body and is used for collecting the steam between the first cover body and the second cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920648480.0U CN210146944U (en) | 2019-05-07 | 2019-05-07 | Hot mould centrifugal nodular cast iron pipe die steam recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920648480.0U CN210146944U (en) | 2019-05-07 | 2019-05-07 | Hot mould centrifugal nodular cast iron pipe die steam recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210146944U true CN210146944U (en) | 2020-03-17 |
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ID=69758580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920648480.0U Active CN210146944U (en) | 2019-05-07 | 2019-05-07 | Hot mould centrifugal nodular cast iron pipe die steam recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210146944U (en) |
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2019
- 2019-05-07 CN CN201920648480.0U patent/CN210146944U/en active Active
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