CN218269852U - Drying device utilizing recovered steam drainage heat - Google Patents

Abstract

The utility model discloses an utilize hydrophobic thermal technical field of steam, especially relate to an utilize and retrieve hydrophobic thermal drying device of steam, include steam equipment, steam extraction trap, be used for providing the boiler of steam for steam equipment, the suction end of steam extraction trap with the steam extraction end of steam equipment is connected, still includes heat exchanger, is used for the stoving room of stoving material, heat exchanger sets up the inner wall in stoving room and form the stoving space, heat exchanger's access end with the drainage end of steam extraction trap communicates mutually, reduces the hydrophobic heat waste of steam, reduces the hydrophobic temperature of steam in the collecting pit and to the influence of stoving temperature in the stoving room through setting up being equipped with the constant temperature plate, promotes the stoving quality in stoving room, promotes the hydrophobic utilization ratio of steam, reduces the cost of stoving material for green energy saving and emission reduction reduces the pollution reduction to the environment of mill.

Description

Drying device utilizing recovered steam drainage heat

Technical Field

The utility model relates to an utilize hydrophobic thermal technical field of steam, especially relate to an utilize hydrophobic thermal drying device of recovery steam.

Background

Steam equipment is reciprocating type power machinery with the energy conversion of steam to mechanical power, when manufacturing, need be used for driving steam equipment through boiler output steam that has certain heat energy, high-temperature steam passes through steam equipment or after the steam equipment, at least part can liquefy into the steam hydrophobe that has certain heat behind the high-temperature steam heat loss, in prior art, to the hydrophobic processing of steam that has heat is discharged it to the sewer, make the heat can't obtain effective utilization, cause the waste of steam hydrophobe energy, increase carbon and discharge, simultaneously, the hydrophobic direct discharge of a large amount of high-temperature steam, cause the local intensification of surrounding environment, influence factory environment and comfort level, cause the pollution to the surrounding environment when serious, cause irreversible influence to the ecological environment, consequently, there is the space of further improvement in the hydrophobic heat utilization of steam.

Disclosure of Invention

The utility model aims at providing an utilize the hydrophobic thermal drying device of recovery steam who solves at least one technical problem design in the background art.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides an utilize stoving device who retrieves steam drainage heat, includes steam equipment, steam extraction trap, is used for providing the boiler of steam for steam equipment, the suction end of steam extraction trap with the steam extraction end of steam equipment is connected, still includes heat exchanger, is used for the stoving room of stoving material, heat exchanger sets up the inner wall in stoving room and formation stoving space, heat exchanger's entry end with the drainage end of steam extraction trap communicates mutually.

The steam trap is characterized by further comprising a collecting tank for collecting steam, wherein the top of the collecting tank is provided with an inlet end with an opening capable of being opened and closed, the inlet end is connected with the drainage end, the collecting tank is provided with an outlet end with an opening, the outlet end is connected with the inlet end of the heat exchanger, and the bottom of the collecting tank is provided with a waste discharge end with an opening capable of being opened and closed.

Wherein the collecting tank is provided with an open return end which is connected with the discharge end of the heat exchanger.

The steam trap device further comprises a delivery pump used for enabling steam to flow from the collection tank to the heat exchanger, and two ends of the delivery pump are respectively connected to the inlet end and the outlet end.

Wherein, still including the constant temperature module that is used for controlling the collecting pit constancy of temperature, the constant temperature module includes the thermometer, the measuring end setting of thermometer is in the bottom of collecting pit, the display end of thermometer expose in the outer wall of collecting pit.

The constant temperature module further comprises a waste discharge electromagnetic valve, the waste discharge electromagnetic valve is connected with the waste discharge end, and when the waste discharge electromagnetic valve is powered off, the waste discharge electromagnetic valve is in a closed state.

The constant temperature module further comprises an inlet electromagnetic valve, the inlet electromagnetic valve is connected with the inlet end, and when the inlet electromagnetic valve is powered off, the inlet electromagnetic valve is in an open state.

The constant temperature module further comprises a temperature controller and a temperature sensor, the temperature sensor is arranged in the bottom of the collecting pool, a signal input end of the temperature controller is connected with the temperature sensor, one signal output end of the temperature controller is connected with the waste discharge electromagnetic valve, and the other signal output end of the temperature controller is connected with the inlet electromagnetic valve.

The device also comprises a pneumatic valve, wherein two ends of the pneumatic valve are respectively connected with the discharge end and the return end.

The drying room is characterized by further comprising a centrifugal fan, and an air outlet of the centrifugal fan is communicated with the drying room.

The utility model has the advantages of collect the steam drainage through being provided with the collecting pit, be connected its heat exchanger with hot baking house, the heat of using the steam drainage is used for the stoving of material, promote the utilization ratio to the steam drainage heat, reduce the hydrophobic heat waste of steam, be equipped with the constant temperature plate through setting up, utilize the high-low distribution principle in the hot water difference in temperature, when the temperature in the collecting pit is less than the setting value, the solenoid valve that gives up waste is opened, the partial relatively microthermal steam drainage of collection pit bottom of discharge, and simultaneously, the entry solenoid valve is opened, pour into partial relative high temperature steam drainage into, make the temperature in the collecting pit fluctuate in invariable or controllable within range, reduce the influence of the hydrophobic temperature of steam in the collecting pit to stoving temperature in the stoving room, stability when promoting stoving room stoving material, promote the stoving quality in the stoving room, promote the hydrophobic cyclic utilization ratio of steam, reduce the cost of stoving material, make the green energy saving and emission reduction of mill, reduce the pollution to the environment.

Drawings

Fig. 1 is a schematic structural diagram of a drying device using recovered steam hydrophobic heat.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which function is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the present invention can be understood visually and vividly, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Example (b): as shown in fig. 1, a drying device using recovered steam hydrophobic heat includes a steam consumption device 1, a steam exhaust trap 2, and a boiler for providing steam for the steam consumption device 1, wherein a suction end 201 of the steam exhaust trap 2 is connected to a steam exhaust end 101 of the steam consumption device 1, the drying device further includes a heat exchanger 3 and a drying room 4 for drying materials, the heat exchanger 3 is disposed on an inner wall of the drying room 4 to form a drying space, an inlet end 301 of the heat exchanger 3 is communicated with a water outlet end 202 of the steam exhaust trap 2, an outlet end 302 of the heat exchanger 3 is exposed out of an outer wall of the drying room 4, steam generated by the boiler is subjected to gas-liquid separation by the steam exhaust trap after being used by the steam consumption device, the steam hydrophobic heat with heat flows through the heat exchanger, the steam hydrophobic heat with steam is used for drying the materials, the utilization rate of the steam hydrophobic heat is improved, the waste of the steam hydrophobic heat is reduced, the cost of drying materials is reduced, the plant is green, energy is saved, and the emission is reduced, and the pollution to the environment is reduced.

Wherein, still including being used for collecting the hydrophobic catch pit 5 of steam, the top of catch pit 5 has the entry end 501 that the opening can the switching set up, entry end 501 with drainage end 202 is connected, catch pit 5 has the exit end 502 that the opening set up, exit end 502 with heat exchanger 3's entering end 301 is connected, the bottom of catch pit 5 has the exhaust end 503 that the opening can the switching set up, collect the steam drainage through being provided with the catch pit after with heat exchanger, promote the stability of the hydrophobic flow of steam among the heat exchanger of flowing through, reduce the influence of steam flow to the stoving room internal temperature, temperature stability when promoting the stoving material promotes the stoving quality in stoving room, the exhaust end is used for discharging the hydrophobic temperature of steam of low temperature relatively for the hydrophobic temperature of steam in the catch pit is in controllable range.

The collecting tank 5 is provided with a backflow end 504 with an opening, the backflow end 504 is connected with the discharge end 302 of the heat exchanger 3, and the backflow end is arranged, so that steam drainage is circulated in the collecting tank, the utilization rate of steam drainage heat is improved, the waste of the steam drainage heat is reduced, and carbon emission is reduced.

The drying device further comprises a delivery pump 505 for enabling the steam trap to flow from the collection pool 5 to the heat exchanger 3, two ends of the delivery pump 505 are respectively connected to the inlet end 301 and the outlet end 502, the delivery pump provides power for steam trap flow, the automation degree of the drying device for recycling the steam trap is improved, and the flow rate of the steam trap flowing from the collection pool through the heat exchanger is improved.

Wherein, still including the constant temperature module that is used for controlling 5 constancy of temperature of collecting pit, the constant temperature module includes thermometer 601, thermometer 601's measuring end sets up the bottom of collecting pit 5, thermometer 601's display end expose in the outer wall of collecting pit 5 is through being equipped with the thermometer for the hydrophobic temperature of steam in the collecting pit is visual and digital, promotes the hydrophobic temperature controllability of steam in the collecting pit, promotes the controllability to the temperature in the stoving room, promotes the stoving quality.

Wherein, the constant temperature module is still including the solenoid valve 602 that gives up, the solenoid valve 602 that gives up with waste discharge end 503 is connected, works as when the solenoid valve 602 that gives up cuts off the power supply, waste discharge solenoid valve 602 is in the closed condition, utilizes the low distribution principle in the high-low in the temperature difference of heat in the collecting pit, sets up waste discharge solenoid valve in the bottom of collecting pit, but realizes waste discharge end switching, and the temperature that shows when the thermometer is less than stoving service standard, the solenoid valve that gives up power, and the collecting pit bottom steam drainage that discharges relatively microthermal promotes rationality and practicality of utilizing the drying device structural design who retrieves steam drainage heat, promotes the degree of automation of the device, promotes the validity to the hydrophobic heat utilization of steam, works as when the solenoid valve that gives up power supply to waste, waste discharge solenoid valve is in the closed condition, reduces the hydrophobic unusual exhaust risk of steam in the collecting pit when unusual outage, promotes the security that utilizes the hydrophobic thermal drying device structural design of recovery steam.

Wherein, the constant temperature module still includes entry solenoid valve 603, entry solenoid valve 603 with entry end 501 is connected, works as during the outage of entry solenoid valve 603, entry solenoid valve 603 is in the open mode, and when the hydrophobic discharge of the steam of collecting pit bottom part low temperature relatively, entry solenoid valve is in the open mode, and the hydrophobic injection collecting pit of steam of relative high temperature promotes the degree of automation that utilizes the drying device who retrieves the hydrophobic heat of steam, promotes the hydrophobic temperature stability of steam in the collecting pit, works as during the outage of entry solenoid valve, entry solenoid valve is in the open mode, and the hydrophobic unable risk of collecting the collecting pit and overflowing equipment that collects of steam when reducing unusual outage promotes the security and the practicality of utilizing the drying device structural design who retrieves the hydrophobic heat of steam.

The constant temperature module further comprises a temperature controller 604 and a temperature sensor, the temperature sensor is arranged in the bottom of the collecting pool 5, a signal input end of the temperature controller 604 is connected with the temperature sensor, one signal output end of the temperature controller 604 is connected with the waste discharge electromagnetic valve 602, the other signal output end of the temperature controller 604 is connected with the inlet electromagnetic valve 603, temperature signals of the temperature sensor are processed and judged through the temperature controller, when the temperature is lower than a set temperature, the temperature controller controls the waste discharge electromagnetic valve to be powered on and switched off through outputting electric signals, meanwhile, the inlet electromagnetic valve is controlled to be powered off and switched on, when the temperature is higher than or equal to the set temperature, the temperature controller controls the waste discharge electromagnetic valve to be powered off and switched off through outputting electric signals, meanwhile, the inlet electromagnetic valve is controlled to be powered on and switched off, so that the steam drainage temperature in the collecting pool is maintained in a certain range, and the automation degree of the drying device for recycling steam drainage heat is further improved.

The steam trap further comprises a pneumatic valve 506, and two ends of the pneumatic valve 506 are respectively connected with the discharge end 302 and the return end 504, so that the automation degree of steam trap water return in the heat exchanger is improved.

Wherein, still include centrifugal fan 402, centrifugal fan 402's air outlet with 4 intercommunications of hot drying room set up for air current and heat circulation in the drying room reduce the difference in temperature in the drying room in the different regions, promote the temperature uniformity in the drying room in the different regions, promote the stoving quality.

Wherein, a punching plate 403 is further included, and the punching plate 403 is arranged at one side of the heat exchanger 3 far away from the inner wall of the hot drying room 4.

Wherein, the head end of the punching plate 403 is connected with the tail end of the punching plate 403 to form a placing space 404 with an opening, thereby further improving the temperature consistency in the drying room.

Wherein, still include filter 507, the both ends of filter 507 connect respectively in delivery pump 505 with get into end 301, reduce the impurity in the steam hydrophobic water and cause the risk of jam to the heat exchanger, reduce the impurity in the steam hydrophobic water and cause the risk of card death damage to the delivery pump, promote structural design's reliability and stability in use.

Wherein, still include manual control stop valve 203, manual control stop valve 203 with the parallelly connected setting of steam exhaust trap 2, when appearing unusual, operating personnel carries out manual operation to the repacking through the manual control stop valve, promotes the stability in use and the security that utilize the hydrophobic thermal drying device of recovery steam.

The steam equipment 1 is provided with one or more groups, and when the groups are arranged, the steam exhaust end 101 of the steam equipment 1 and the steam exhaust end 101 of the steam equipment 1 are arranged in parallel, so that the supply amount of steam drainage is increased, the flow stability of steam drainage in a heat exchanger is improved, and the drying quality is improved.

The material tray comprises a material tray 405, and the material tray 405 can be movably assembled in the placing space 404.

Wherein, material dish 405 is provided with a set of or multiunit, and during the multiunit set up, material dish 405 with material dish 405 stacks the setting in proper order, promotes the simplicity and the practicality that the material was placed, promotes the stoving quality.

The punching plate 403 and the inner wall of the hot drying room 4 form a circulating air duct space 406, so that the temperature difference in the drying room is reduced, and the drying quality is improved.

Wherein, centrifugal fan 402 sets up heat exchanger 3's top, the hydrophobic heat that gives off of steam can rise towards the top in stoving room among the heat exchanger for the stoving room has the difference in temperature from top to bottom, and through the centrifugal fan work of setting in the heat exchanger top, the heat that will rise goes on, reduces the upper and lower difference in temperature in stoving room, promotes the stoving quality in stoving room, promotes structural design's rationality.

Wherein, the entering end 301 is arranged above the discharging end 302, flows downwards to the discharging end through the self weight of steam drainage, and improves the design rationality of the mechanism.

Wherein the delivery pump 505 is a high temperature pipeline pump.

The steam-water separator further comprises a heat insulation layer, wherein the heat insulation layer is uniformly arranged on the outer wall of the collecting tank 5, so that the temperature loss of the collecting tank is reduced, and the preheating loss of steam drainage is reduced.

Wherein the heat insulation layer is made of conventional rock wool boards, glass wool, extruded polystyrene boards, expanded polystyrene boards or rubber and plastic.

The constant temperature module further comprises a buffer pool, wherein the buffer pool is connected between the water discharging end 202 of the steam discharging drain valve 2 and the inlet electromagnetic valve 603, so that the stability of supplying steam drain to the collecting pool is improved, and the influence on the temperature of the collecting pool is reduced.

The automatic steam trap device further comprises a water pump, wherein the water pumping end of the water pump is connected with the buffer pool, the water pumping end of the water pump is connected with the inlet electromagnetic valve 603, and the automation degree of steam trap flowing from the buffer pool to the collection pool is improved.

Wherein, still include central controller, central controller connect respectively in the high temperature pipeline pump the water pump constant temperature module, further promote the degree of automation that utilizes the hydrophobic thermal drying device of recovery steam, central controller collects the signal of constant temperature module, and the switching of control water pump realizes the hydrophobic constant temperature constant control of steam in the collecting pit, and the switching of control high temperature pipeline pump realizes the hydrophobic velocity of flow of steam in the heat exchanger, promotes the stoving quality in stoving room, promotes the utilization ratio that steam is hydrophobic to preheat.

Wherein the steam consuming device 1 is a device for performing work using the energy of steam.

Wherein, the steam device 1 is a rotary cage dehumidifier, a stirring pot, a steam tube, a boiling pot, a water steam boiler, an emulsifying tank or a powder drying fluidized bed.

Based on the embodiment, the steam equipment adopts the conventional steam equipment to achieve the same technical purpose and achieve the same expected effect.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides an utilize stoving device of hydrophobic heat of recovery steam, includes steam equipment, steam extraction trap, is used for providing the boiler of steam for steam equipment, the suction end of steam extraction trap with the steam extraction end of steam equipment is connected, its characterized in that: the drying device is characterized by further comprising a heat exchanger and a drying room for drying materials, wherein the heat exchanger is arranged on the inner wall of the drying room to form a drying space, and the inlet end of the heat exchanger is communicated with the water outlet end of the steam exhaust drain valve.

2. The drying apparatus using hydrophobic heat recovered from steam as set forth in claim 1, wherein: the steam trap is characterized by further comprising a collecting tank for collecting steam, wherein the top of the collecting tank is provided with an inlet end with an opening capable of being opened and closed, the inlet end is connected with the drainage end, the collecting tank is provided with an outlet end with an opening capable of being opened and closed, the outlet end is connected with the inlet end of the heat exchanger, and the bottom of the collecting tank is provided with a waste discharge end with an opening capable of being opened and closed.

3. A drying apparatus using hydrophobic heat recovered from steam as set forth in claim 2, wherein: the collecting tank is provided with an open return end which is connected with the discharge end of the heat exchanger.

4. A drying apparatus using hydrophobic heat recovered from steam according to claim 2, wherein: the steam trap device further comprises a delivery pump used for enabling steam to flow from the collection tank to the heat exchanger in a hydrophobic mode, and two ends of the delivery pump are connected to the inlet end and the outlet end respectively.

5. A drying apparatus using hydrophobic heat recovered from steam according to claim 2, wherein: still including the constant temperature module that is used for controlling the collecting pit constancy of temperature, the constant temperature module includes the thermometer, the measuring end setting of thermometer is in the bottom of collecting pit, the display end of thermometer expose in the outer wall of collecting pit.

6. The drying apparatus using hydrophobic heat recovered from steam as set forth in claim 5, wherein: the constant temperature module still includes the solenoid valve of wasting discharge, the solenoid valve of wasting discharge with waste discharge end is connected, works as when the solenoid valve of wasting discharge cuts off the power supply, the solenoid valve of wasting discharge is in the off-state.

7. The drying apparatus using the hydrophobic heat recovered from the steam as set forth in claim 6, wherein: the constant temperature module further comprises an inlet electromagnetic valve, the inlet electromagnetic valve is connected with the inlet end, and when the inlet electromagnetic valve is powered off, the inlet electromagnetic valve is in an open state.

8. A drying apparatus using hydrophobic heat recovered from steam as set forth in claim 7, wherein: the constant temperature module further comprises a temperature controller and a temperature sensor, the temperature sensor is arranged in the bottom of the collecting pool, a signal input end of the temperature controller is connected with the temperature sensor, one signal output end of the temperature controller is connected with the waste discharge electromagnetic valve, and the other signal output end of the temperature controller is connected with the inlet electromagnetic valve.

9. A drying apparatus using hydrophobic heat recovered from steam according to claim 3, wherein: the device also comprises a pneumatic valve, wherein two ends of the pneumatic valve are respectively connected with the discharge end and the return end.

10. A drying apparatus using hydrophobic heat recovered from steam according to any one of claims 1 to 9, wherein: the drying room is characterized by further comprising a centrifugal fan, and an air outlet of the centrifugal fan is communicated with the drying room.

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