CN215693779U - Device for utilizing condensed water under kettle - Google Patents

Abstract

The utility model relates to a still kettle's waste heat utilization technology field especially relates to a condensate water utilizes device under cauldron. The water storage tank is provided with a water inlet, a first water outlet and a second water outlet, the water inlet end of the first water drainage pipeline and the water inlet end of the second water drainage pipeline are respectively connected with the first water outlet and the second water outlet, the water outlet end of the first water drainage pipeline and the water outlet end of the second water drainage pipeline are respectively connected with the first energy saver and the second energy saver, the first water drainage pipeline is provided with a first valve bank, and the second water drainage pipeline is provided with a second valve bank; the temperature sensor is arranged at the top of the water storage tank, the first valve group is opened and closed according to a temperature signal detected by the temperature sensor, the liquid level meter is communicated with the inside of the water storage tank, and the second valve group is opened and closed according to a liquid level signal detected by the liquid level meter. The problem that more condensed water in the kettle affects the quality of bricks is avoided, and the heat of the condensed water is utilized.

Description

Device for utilizing condensed water under kettle

Technical Field

The utility model relates to a still kettle's waste heat utilization technology field especially relates to a utilization equipment of comdenstion water under cauldron.

Background

The still kettle is also called a steam curing kettle and an autoclave and is a large pressure container with large volume and heavy weight. The autoclave has wide application, is widely applied to autoclave curing of building materials such as aerated concrete blocks, concrete pipe piles, sand-lime bricks, coal-lime bricks, microporous calcium silicate boards, novel light wall materials, heat-insulating asbestos boards, high-strength gypsum and the like, and finishes hydrothermal reaction of Cao-Si 02-H2O in the autoclave.

The inside of the still kettle is a high-temperature dry steam environment, when kettle doors at two ends are closed, the high-temperature dry steam replaces air in the still kettle, a small part of air remains, and moisture in the air is condensed. The water in the green brick is heated and evaporated in the still kettle, and the water evaporated from the green brick is condensed on the surface of the green brick and finally flows into the bottom of the kettle to form the sewage discharged from the kettle. The quality of bricks can be influenced when steam in the still kettle contains a large amount of water in the steam curing process.

Disclosure of Invention

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a device for utilizing condensed water under a kettle.

The invention provides a device for utilizing condensed water under a kettle, which comprises a water storage tank, a first drainage pipeline, a second drainage pipeline, a temperature sensor and a liquid level meter, wherein the water storage tank is provided with a water inlet, a first water outlet and a second water outlet; the temperature sensor is arranged at the top of the water storage tank, the first valve group is opened and closed according to a temperature signal detected by the temperature sensor, the liquid level meter is communicated with the inside of the water storage tank, and the second valve group is opened and closed according to a liquid level signal detected by the liquid level meter.

Optionally, the first water outlet and the second water outlet are arranged at the same height.

Optionally, the first valve set includes a first pneumatic valve, and when the temperature value detected by the temperature sensor is smaller than a preset temperature threshold, the first pneumatic valve is opened.

Optionally, the first valve bank further comprises a first manual valve and a first check valve, and the first manual valve, the first check valve and the first pneumatic valve are connected in series.

Optionally, the second valve set comprises a second pneumatic valve, and when the liquid level in the water storage tank detected by the liquid level meter reaches a set liquid level threshold, the second pneumatic valve is opened.

Optionally, the second valve group further includes a second manual valve and a second one-way valve, and the second manual valve, the second one-way valve and the second pneumatic valve are connected in series.

Optionally, the pipe diameter of the first drain pipeline is smaller than the pipe diameter of the second drain pipeline.

Optionally, the valve control system further comprises a controller, wherein a first control button and a second control button are arranged on the controller, the first control button is used for controlling the opening and closing of the first valve bank, and the second control button is used for controlling the opening and closing of the second valve bank.

Optionally, the first economizer comprises a heat exchanger, and the second economizer comprises a tank drain tank.

Optionally, the first economizer and the second economizer are respectively connected to a grouting water tank.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the utility model provides a device for utilizing comdenstion water under cauldron, set up the water storage tank under still cauldron, the water that will evaporate in the cauldron is discharged, avoid influencing the quality of the brick in evaporating the cauldron, the water storage tank is equipped with first delivery port and second delivery port, the end of intaking of first water drainage pipeline and the end of intaking of second drain pipe wheel are connected with first delivery port and second delivery port respectively, the water outlet end of first water drainage pipeline and the water outlet end of second drain pipe are connected with heat exchanger and cauldron lower water tank respectively, set up first valves and second valves on first water drainage pipeline and the second drain pipe respectively, the top of water storage tank, first valves carries out the switching according to the temperature signal that temperature sensor detected, be equipped with the level gauge on the water storage tank, the second valves carries out the switching according to the level signal that the level gauge detected. Condensed water generated in the process of autoclaving by the autoclave has a certain temperature, and after the condensed water flows into the water storage tank, when the liquid level in the water storage tank reaches a liquid level threshold value, the second drainage pipeline is opened, and water is discharged from the second drainage pipeline and flows into the second energy saver; when the temperature in the still kettle reaches a certain temperature, the accumulated water in the still kettle is proved to be more and needs to be discharged in time, at the moment, the first water discharge pipeline is opened, and the condensed water in the kettle flows into the first energy saver through the first water discharge pipeline. This utilization device of comdenstion water under cauldron discharges the comdenstion water in the cauldron that will evaporate from second water drainage pipeline to utilize in the second energy-saving appliance, when the temperature in evaporating the cauldron probably influences the quality of brick, first water drainage pipeline is opened, and the comdenstion water in evaporating the cauldron is discharged simultaneously from first water drainage pipeline or from first water drainage pipeline and second water drainage pipeline, flows into to utilize in the second energy-saving appliance, perhaps utilizes simultaneously in first energy-saving appliance and second energy-saving appliance. Still evaporate cauldron in process of production, the discharge that the condensate water can be timely in the cauldron to utilize the heat in the condensate water in first energy-saving appliance and second energy-saving appliance, on the one hand, avoided the cauldron internal condensate water more, influence the quality of brick, on the other hand utilizes the temperature of condensate water, has improved the utilization ratio of the energy.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a device for utilizing condensed water in an autoclave according to an embodiment of the present disclosure.

Wherein, 1, a still kettle; 2. a water storage tank; 30. a second drain line; 301. a second manual valve; 302. a second pneumatic valve; 303. a second one-way valve; 40. a first drain line; 401. a first manual valve; 402. a first pneumatic valve; 403. a first check valve; 5. a heat exchanger; 6. a grouting water tank; 7. a kettle water discharge tank; 8. a temperature sensor; 9. a liquid level meter.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

As shown in fig. 1, the device for utilizing condensed water under a still kettle provided by the embodiment of the present disclosure includes a water storage tank 2, a first water discharge pipeline 40, a second water discharge pipeline 30, a temperature sensor 8 and a liquid level meter 9, where the water storage tank 2 is disposed below the still kettle 1, a water outlet is disposed at the bottom of the still kettle 1, a water inlet is disposed at the upper portion of the water storage tank 2, the water inlet on the water storage tank 2 is connected to the water outlet on the still kettle 1 through a high temperature resistant water pipe, the condensed water generated in the production process of the still kettle 1 is timely discharged into the water storage tank 2 through the high temperature resistant water pipe, a first water outlet and a second water outlet are disposed at the lower portion of the water storage tank 2, the first water outlet is connected to the first water discharge pipeline 40, the second water outlet is connected to the second water discharge pipeline 30, the water outlet of the first water discharge pipeline 40 is connected to a first energy saver, the water outlet of the second water discharge pipeline 30 is connected to a second energy saver, and, the first and second drain lines 40 and 30 are respectively provided with a first valve group and a second valve group, when the first valve group is opened, the water in the water storage tank 2 flows out from the first drain line 40 and into the first economizer, and when the second valve group is opened, the water in the water storage tank 2 flows out from the second drain line 30 and into the second economizer. Temperature sensor 8 sets up in the top of water storage tank 2 or the bottom of evaporating kettle 1 for detect evaporate the temperature of evaporating kettle 1 bottom, and level gauge 9 sets up on the water storage tank, with the inside intercommunication of water storage tank, is arranged in the liquid level that detects in the water storage tank. In some embodiments of the present disclosure, the level gauge 9 is a magnetic flip-board level gauge.

When the liquid level in the water storage tank 2 reaches the liquid level threshold value, the second water discharge pipeline 30 is opened, and water is discharged from the second water discharge pipeline 30 and flows into the second economizer; when the temperature at the bottom of the still kettle 1 reaches a certain temperature, it is proved that accumulated water in the still kettle 1 is more and needs to be discharged in time, at the moment, the first water discharge pipeline 40 is opened, and the condensed water in the kettle flows into the first energy saver through the first water discharge pipeline 40. This utilization device of comdenstion water under cauldron discharges the comdenstion water in autoclave 1 from second drain line 30 to utilize in the second economizer, when the temperature in autoclave 1 probably influences the quality of brick, first drain line 40 opens, and the comdenstion water in autoclave 1 is discharged from first drain line 40 or from first drain line 30 and second drain line 40 simultaneously, flows into the second economizer and utilizes, perhaps utilizes in first economizer and the second economizer simultaneously. Still kettle 1 is in process of production, discharge that condensate water can be timely in the cauldron to utilize the heat in the condensate water in first energy-saving appliance and second energy-saving appliance, on the one hand, avoided the cauldron interior condensate water more, influence the quality of brick, on the other hand utilizes the temperature of condensate water, has improved the utilization ratio of the energy.

Further, in some embodiments of the present disclosure, the first water outlet and the second water outlet are disposed at the same height. That is, the first water outlet and the second water outlet are provided at the same height position of the water storage tank 2, so that the water discharged from the first drain line 40 and the second drain line 30 is not in sequence, but is related to the temperature signal and the liquid level signal. When kettle doors at two ends of the still kettle 1 are closed and green bricks just enter the kettle, moisture in the air in the kettle is condensed and the moisture in the green bricks is heated and evaporated to form sewage discharged from the kettle; on the other hand, in the steam curing process of the still kettle 1, the pressure in the kettle is continuously increased, water in the green brick can continuously seep out under the action of the pressure to form high-temperature water with pressure of more than 100 ℃, but when the sewage discharged from the kettle and the high-temperature water with pressure accumulate to a large extent, the temperature in the still kettle 1 can be influenced, and the quality of the green brick is further influenced. In the embodiment of the disclosure, the first water outlet and the second water outlet are arranged at the same height of the water storage tank 2, condensed water generated in different stages in the still kettle 1 is discharged from different drainage pipelines, and heat in the condensed water is utilized, so that the utilization rate of energy is improved.

The first valve set on the first water discharge pipeline 40 comprises a first pneumatic valve 402, the first pneumatic valve 402 is connected with the temperature sensor 8, when the temperature sensor 8 detects that the temperature difference between the temperature of the lower part in the still kettle 1 and the temperature of the top reaches a set temperature threshold value, it is proved that a large amount of condensed water is accumulated at the bottom of the still kettle 1, and adverse effects can be caused on the quality of bricks, at the moment, the first pneumatic valve 402 is opened, so that the water in the still kettle 1 can flow out from the first water discharge pipeline 40. Typically, the water discharged from the first water discharge line 40 comprises a large amount of water with high pressure and high temperature, and therefore, the first economizer may be selected as the heat exchanger 5, and the condensed water may be used as a heat source in the heat exchanger 5 to heat the material to be heated.

Further, the first valve set includes a first manual valve 401 and a first check valve 403, the first manual valve 401, the first check valve 403 and the first pneumatic valve 402 are connected in series, the first drain line 40 is closed when only one of the first manual valve 401 and the first pneumatic valve 402 is closed, the first drain line 40 is opened when only the two are opened simultaneously, and the check valve is used for preventing water flowing into the first economizer from flowing back into the water storage tank 2. The first manual valve 401 is a backup valve, and when the first manual valve 401 is normally used, the first manual valve 401 may be opened, so that the opening and closing of the first drain pipe 40 may be controlled only by controlling the opening and closing of the first manual valve 402, and when the first manual valve 402 is out of control and the first drain pipe 40 needs to be closed, the first manual valve 401 may be manually opened at this time to close the first drain pipe 40.

Furthermore, the condensed water after heat exchange in the heat exchanger 5 has a part of heat, and then the part of condensed water is introduced into the grouting water tank 6 for storage and finally introduced into the slurry tank to be used as a raw material for pulping, so that the multi-stage utilization of the condensed water and the heat of the condensed water is realized.

The second valve set comprises a second pneumatic valve 302, the second pneumatic valve 302 is in communication with the liquid level meter, when the liquid level in the water storage tank 2 detected by the liquid level meter reaches a set liquid level threshold value, the second pneumatic valve 302 is opened, water in the water storage tank 2 flows into the second energy saver from the second water discharge pipeline 30, the condensed water discharged from the second water discharge pipeline 30 comprises temperature kettle lower-discharge water and possibly part of pressurized high-temperature water with the temperature more than 100 ℃, the temperature of the pressurized high-temperature water is slightly lower than that of the condensed water discharged from the first water discharge pipeline 40, the second energy saver can be a kettle lower water tank 7, the condensed water discharged from the first water discharge pipeline 40 flows into the kettle lower water tank 7, on one hand, the condensed water can be stored, on the other hand, original water in the kettle lower water tank 7 can be heated, and when needed, the water in the kettle lower water tank 7 is introduced into the grouting water tank 6, used as the raw material for pulping.

Further, in some embodiments of the present disclosure, the second valve group includes a second manual valve 301 and a second check valve 303, the second manual valve 301, the second check valve 303 and the second pneumatic valve 302 are connected in series, the second drain line 30 is closed whenever one of the second manual valve 301 and the second pneumatic valve 302 is closed, the second drain line 30 is opened only when both are simultaneously opened, and the check valve is used to prevent the water flowing into the second economizer from flowing back into the water storage tank 2. The second manual valve 301 is a standby valve, and when the second manual valve 301 is used normally, the second manual valve 301 can be opened, so that the second drain pipeline 30 can be controlled to be opened and closed only by controlling the opening and closing of the second pneumatic valve 302, when the second pneumatic valve 302 is out of control and the second drain pipeline 30 needs to be closed, the second manual valve 301 can be opened manually at the moment, and the second drain pipeline 30 is closed.

Further, the pipe diameter of the first drain line 40 is smaller than that of the second drain line 30. Generally, the pipe diameter of the first drain line 40 is 25mm, and the pipe diameter of the second drain line 30 is 50 mm.

Further, in some embodiments of the present disclosure, the controller is further included, and a first control button and a second control button are provided on the controller, where the first control button is used to control the opening and closing of the first valve group, and the second control button is used to control the opening and closing of the second valve group. When forced drainage from the first drainage pipeline 40 is needed, manually controlling a first control button, and opening a first valve group; when forced drainage from the second drain line 30 is required, the second control button is manually controlled and the second valve group is opened.

Therefore, the opening and closing of the first valve group is controlled by the temperature difference between the lower part and the top part of the autoclave 1 detected by the first control button and the temperature sensor 8, and the opening and closing of the second valve group is controlled by the second control button and the liquid level in the water storage tank 2.

Further, in some embodiments of the present disclosure, the heat exchanger 5 of the first economizer is a pressurized heat exchanger 5, and in the pressurized heat exchanger 5, condensed water with a temperature exceeding 100 ℃ is allowed to be used as a heat source for releasing heat.

It should be noted that, in the embodiment of the present disclosure, the first drain line 40 and the second drain line 30 are independent from each other and do not affect each other. The first valve group and the second valve group are respectively controlled, are mutually independent and do not interfere with each other.

To sum up, the device for utilizing the condensed water under the autoclave provided by the embodiment of the disclosure can timely discharge the condensed water generated in the autoclave 1 according to the condition of the autoclave 1, and utilize the heat in the condensed water in the first energy saver and the second energy saver, so that on one hand, the phenomenon that the condensed water in the autoclave is more and the quality of bricks is influenced is avoided, and on the other hand, the temperature of the condensed water is utilized, and the utilization rate of energy is improved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The device for utilizing the condensed water under the kettle is characterized by comprising a water storage tank (2), a first drainage pipeline (40), a second drainage pipeline (30), a temperature sensor (8) and a liquid level meter (9), wherein the water storage tank (2) is provided with a water inlet, a first water outlet and a second water outlet, the water inlet end of the first drainage pipeline (40) and the water inlet end of the second drainage pipeline (30) are respectively connected with the first water outlet and the second water outlet, the water outlet end of the first drainage pipeline (40) and the water outlet end of the second drainage pipeline (30) are respectively connected with a first energy saver and a second energy saver, a first valve bank is arranged on the first drainage pipeline (40), and a second valve bank is arranged on the second drainage pipeline (30); the top of water storage tank (2) is located in temperature sensor (8), first valves according to the temperature signal that temperature sensor (8) detected carries out the switching, level gauge (9) with the inside intercommunication of water storage tank (2), the second valves according to the level signal that level gauge (9) detected carries out the switching.

2. The device for utilizing condensed water under a kettle according to claim 1, wherein the first water outlet and the second water outlet are arranged at the same height.

3. The under kettle condensate utilization device of claim 1, wherein the first valve set comprises a first pneumatic valve (402), wherein the first pneumatic valve (402) is opened when the temperature value detected by the temperature sensor (8) is less than a preset temperature threshold.

4. The under kettle condensate utilization device of claim 3, wherein the first valve set further comprises a first manual valve (401) and a first check valve (403), and the first manual valve (401), the first check valve (403) and the first pneumatic valve (402) are connected in series.

5. The under kettle condensate utilization device according to claim 1, wherein the second valve set comprises a second pneumatic valve (302), wherein the second pneumatic valve (302) is opened when the liquid level in the water storage tank (2) detected by the liquid level meter (9) reaches a set liquid level threshold value.

6. The under kettle condensate utilization device according to claim 5, wherein the second valve set further comprises a second manual valve (301) and a second one-way valve (303), and the second manual valve (301), the second one-way valve (303) and the second pneumatic valve (302) are connected in series.

7. The under kettle condensate utilization device according to claim 1, wherein the pipe diameter of the first drain line (40) is smaller than the pipe diameter of the second drain line (30).

8. The under kettle condensate utilization device of claim 1, further comprising a controller, wherein the controller is provided with a first control button and a second control button, the first control button is used for controlling the opening and closing of the first valve bank, and the second control button is used for controlling the opening and closing of the second valve bank.

9. The under kettle condensate utilization apparatus according to any one of claims 1 to 8, wherein the first economizer comprises a heat exchanger (5) and the second economizer comprises an under kettle sump (7).

10. The utilization device of the condensed water under the kettle according to claim 9, wherein the first economizer and the second economizer are respectively connected with a grouting water tank (6).

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