CN212532344U

CN212532344U - Special low temperature heat pump evaporator of landfill leachate

Info

Publication number: CN212532344U
Application number: CN202020984308.5U
Authority: CN
Inventors: 萧芳妙
Original assignee: Zhejiang Vnor Environmental Protection Technology Co ltd
Current assignee: Zhejiang Vnor Environmental Protection Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-12
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a special low temperature heat pump evaporimeter of landfill leachate, including single-effect separator, the feed end of single-effect separator has the charge pump through the pipeline intercommunication, the discharge end of single-effect separator communicates forced circulation pump and discharge pump respectively through the pipeline, the discharge end of discharge pump passes through the feed end intercommunication of pipeline with single-effect separator, the discharge end of forced circulation pump has single-effect heater through the pipeline intercommunication, the discharge end of single-effect heater communicates with the feed end of single-effect separator. The utility model discloses possessing the abluent advantage of being convenient for, having solved current low temperature heat pump evaporimeter, it is not good to the concentrated effect of landfill leachate, greatly increased volume or aftertreatment expense of recharging, evaporating temperature is higher simultaneously, and easy scale deposit is not convenient for wash, and in the equipment operation process, the compressor work and the compressor parameter of being not convenient for adjust, influence the problem of evaporimeter operating stability.

Description

Special low temperature heat pump evaporator of landfill leachate

Technical Field

The utility model relates to a refuse treatment technical field specifically is a special low temperature heat pump evaporator of landfill leachate.

Background

The garbage is solid waste generated in daily life and production of human beings, has large discharge amount, complex and various components, pollution, resource and socialization, needs harmless, resource, reduction and socialization treatment, and can pollute the environment, influence the environmental sanitation, waste resources, destroy the safety of production and life and destroy the social harmony if the garbage cannot be properly treated.

The existing low-temperature heat pump evaporator has poor effect on the concentration of landfill leachate, greatly increases the recharge quantity or the post-treatment cost, has higher evaporation temperature, is easy to scale, is inconvenient to clean, and in the operation process of equipment, the working and the parameters of a compressor are inconvenient to adjust, thereby influencing the operation stability of the evaporator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special low temperature heat pump evaporimeter of landfill leachate possesses the abluent advantage of being convenient for, has solved current low temperature heat pump evaporimeter, and is not good to the concentrated effect of landfill leachate, greatly increased volume or aftertreatment expense of recharging back, while evaporating temperature is higher, easy scale deposit is not convenient for wash, and the equipment operation in-process is not convenient for adjust compressor work and compressor parameter, influences the problem of evaporimeter operating stability.

In order to achieve the above object, the utility model provides a following technical scheme: a low-temperature heat pump evaporator special for landfill leachate comprises a single-effect separator, wherein a feed end of the single-effect separator is communicated with a feed pump through a pipeline, a discharge end of the single-effect separator is respectively communicated with a forced circulation pump and a discharge pump through pipelines, a discharge end of the discharge pump is communicated with a feed end of the single-effect separator through a pipeline, a discharge end of the forced circulation pump is communicated with a single-effect heater through a pipeline, a discharge end of the single-effect heater is communicated with a feed end of the single-effect separator, a gas outlet end of the single-effect separator is communicated with a condenser through a pipeline, a gas outlet end of the condenser is communicated with a screw vacuum pump through a pipeline, a condensed water outlet end of the condenser is communicated with a condensed water tank through a pipeline, a condensed water outlet end of the condensed water tank is communicated with a condensed water pump, and a frozen water outlet end of the condensed water pump is communicated with a frozen water inlet end of the, the single-effect heater is characterized in that a frozen water outlet end of the single-effect heater is communicated with a heat preservation water tank through a pipeline, a refrigerant outlet end of the single-effect heater is communicated with a single-head refrigerator through a pipeline, a refrigerant outlet end of the single-head refrigerator is communicated with a refrigerant inlet end of the single-effect heater through a pipeline, a frozen water outlet end of the heat preservation water tank is communicated with a frozen water pump, a frozen water outlet end of the frozen water pump is communicated with a frozen water inlet end of the single-head refrigerator, cooling water outlet ends of the feed pump, the discharge pump, the forced circulation pump and the condensed water pump are communicated with a cooling water unit through pipelines, and a cooling water outlet end of the cooling water unit is communicated with cooling water inlet ends of the feed pump, the discharge pump, the forced circulation pump and the condensed.

Preferably, the water inlet cleaning end of the single-effect separator is communicated with the separator cleaning water pipe through a pipeline, and the feed end of the feed pump is communicated with the water outlet end of the cleaning water pipe and the discharge end of the raw material tank through pipelines respectively.

Preferably, the forced circulation pump and the sewage discharge end of the discharge pump are communicated with the feed end of the sewage discharge pipeline and the water outlet end of the back flush water pipe through pipelines, and the cooling water inlet end and the cooling water outlet end of the single-head refrigerator are both communicated with the cooling water pipe through pipelines.

Preferably, the single-effect separator and the single-effect heater are fixedly provided with a temperature transmitter, a local thermometer, a pressure transmitter and a local pressure gauge, and the water cooling unit is provided with a water replenishing port and a sewage draining port.

Preferably, the discharge pipeline of discharge pump is provided with sample connection and washing mouth, holding water box is provided with the drain pipe, and fixed mounting has the valve on the drain pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a single-effect separator, single-effect heater, the condenser, the condensation water pitcher, holding water box, the frozen water pump, the single-unit head refrigerator, screw vacuum pump, the condensed water pump, the force circulation pump, the cooperation of ejection of compact pump and charge pump is used, current low temperature heat pump evaporimeter has been solved, it is not good to the concentrated effect of landfill leachate, greatly increased volume or aftertreatment expense of recharging, evaporating temperature is higher simultaneously, easy scale deposit, be not convenient for wash, in the equipment operation process, be not convenient for adjust compressor acting and compressor parameter, influence evaporimeter operating stability's problem.

2. The utility model discloses a set up single-effect separator, can be convenient for evaporate rubbish filtrating, through setting up the force circulation pump, can be convenient for make rubbish filtrating circulation evaporation, through setting up the condenser, can be convenient for condense evaporation vapor, through setting up the condensation water pitcher, can be convenient for preserve the comdenstion water, through setting up the charge pump, can be convenient for extract rubbish filtrating raw materials to single-effect separator in, through setting up the discharge pump, can be convenient for the impurity in the rubbish filtrating evaporation back discharge rubbish filtrating.

Drawings

Fig. 1 is a schematic view of the process of the present invention.

In the figure: 1 single-effect separator, 2 single-effect heater, 3 condenser, 4 condensed water tank, 5 heat preservation water tank, 6 frozen water pump, 7 single-head freezer, 8 screw vacuum pump, 9 condensed water pump, 10 forced circulation pump, 11 discharge pump, 12 charge pump, 13 cooling water unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a parts such as single-effect separator 1, single-effect heater 2, condenser 3, condensate water jar 4, holding water box 5, frozen water pump 6, single-unit-head refrigerator 7, screw vacuum pump 8, condensed water pump 9, forced circulation pump 10, discharge pump 11 and charge pump 12 are the general standard or the parts that technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical personnel in the field.

Referring to fig. 1, a special low-temperature heat pump evaporator for landfill leachate comprises a single-effect separator 1, which is provided with the single-effect separator 1 and can facilitate evaporation of landfill leachate, a water inlet cleaning end of the single-effect separator 1 is communicated with a separator cleaning water pipe through a pipeline, a feed end of the single-effect separator 1 is communicated with a feed pump 12 through a pipeline, the raw material of the landfill leachate can be conveniently pumped into the single-effect separator 1 through the feed pump 12, the feed end of the feed pump 12 is respectively communicated with a water outlet end of the cleaning water pipe and a discharge end of a raw material tank through a pipeline, a discharge end of the single-effect separator 1 is respectively communicated with a forced circulation pump 10 and a discharge pump 11 through a pipeline, the discharge pump 11 is provided and can facilitate discharge of impurities in the landfill leachate after evaporation of the landfill leachate, the forced circulation pump 10 is provided and can facilitate circulation evaporation of the landfill leachate, the forced circulation pump 10 is communicated with the sewage discharge end of the discharge pump 11 through a pipeline, the feed end of the sewage discharge pipeline is communicated with the water outlet end of a back flush water pipe, the discharge end of the discharge pump 11 is communicated with the feed end of the single-effect separator 1 through a pipeline, the discharge pipeline of the discharge pump 11 is provided with a sampling port and a cleaning port, the discharge end of the forced circulation pump 10 is communicated with the single-effect heater 2 through a pipeline, the discharge end of the single-effect heater 2 is communicated with the feed end of the single-effect separator 1, the gas outlet end of the single-effect separator 1 is communicated with the condenser 3 through a pipeline, evaporated water vapor can be conveniently condensed by arranging the condenser 3, the gas outlet end of the condenser 3 is communicated with the screw rod 8 through a pipeline, the condensed water outlet end of the condenser 3 is communicated with the condensed water tank 4 through a pipeline, condensed water can be conveniently stored by arranging the condensed water tank 4, the, the water outlet end of the frozen water of the condensate pump 9 is communicated with the water inlet end of the frozen water of the single-effect heater 2 through a pipeline, the water outlet end of the frozen water of the single-effect heater 2 is communicated with a heat preservation water tank 5 through a pipeline, the heat preservation water tank 5 is provided with a water discharge pipe, a valve is fixedly arranged on the water discharge pipe, the refrigerant outlet end of the single-effect heater 2 is communicated with a single-head refrigerator 7 through a pipeline, the water inlet end and the water outlet end of the cooling water of the single-head refrigerator 7 are communicated with a cooling water pipe through pipelines, the refrigerant outlet end of the single-head refrigerator 7 is communicated with the refrigerant inlet end of the single-effect heater 2 through a pipeline, the frozen water outlet end of the heat preservation water tank 5 is communicated with a freeze water pump 6, the frozen water outlet end of the freeze water pump 6 is communicated with the frozen water inlet end of the single-head refrigerator 7, a feed pump 12, the cooling water unit 13 is provided with a water replenishing port and a sewage draining port, the cooling water outlet end of the cooling water unit 13 is respectively communicated with the cooling water inlet ends of the feed pump 12, the discharge pump 11, the forced circulation pump 10 and the condensate pump 9 through pipelines, the single-effect separator 1 and the single-effect heater 2 are both fixedly provided with a temperature transmitter, an on-site thermometer, a pressure transmitter and an on-site pressure gauge, the existing low-temperature heat pump evaporator solves the problem that the concentration effect of the garbage percolate is poor, the recharge amount or the post-treatment cost is greatly increased, simultaneously the evaporation temperature is higher, the scale formation is easy and is inconvenient to clean through the matching use of the single-effect separator 1, the single-effect heater 2, the condenser 3, the condensate water tank 4, the heat preservation water tank 5, the chilled water pump 6, the single-head refrigerator 7, the screw vacuum pump 8, the condensate pump 9, the forced circulation pump 10, the problem that the working of the compressor and the parameters of the compressor are inconvenient to adjust and the running stability of the evaporator is influenced in the running process of the equipment.

When the single-effect evaporator is used, raw materials are sucked into a single-effect separator 1 through a feeding pump 12, then the materials are circulated ceaselessly through a large-flow forced circulation pump 10 to achieve the purpose of evaporation, when the concentration reaches a designed value, the raw materials are discharged into a concentration tank through a discharge pump 11, secondary steam generated by the single-effect separator 1 enters a condenser 3 and is condensed into water to be discharged, the pressure of a single-effect heater 2 and the pressure of the separator are controlled by a vacuum pump connected in series with the condenser 3, condensed water in the condenser 3 is discharged from a condensed water pump 9, the trend of non-condensable gas is along, the secondary steam often contains a small amount of non-condensable gas, the source of the non-condensable gas is two, the liquid and the non-condensable gas leak into the outside under negative pressure operation, although the brought amount is not large, after long-term use and accumulation, a high local concentration can be formed at the local part of a condensation side, if 1 kilogram of the non, the evaporation system is provided with a special non-condensable gas outlet in each effect heating chamber, so that a non-condensable gas valve of each effect heating chamber must be opened at any time in the evaporation process, to improve the heat transfer efficiency, the compressor sucks the refrigerant vapor with lower pressure from the evaporator, the pressure of the refrigerant vapor is increased and then the refrigerant vapor is sent to the single-effect heater 2, the material is heated by exchanging heat with the material in the heat exchanger, the heated material enters the gas-liquid separator for flash evaporation, the refrigerant steam is condensed into liquid with higher pressure after heat exchange, and the liquid with lower pressure is sent into an evaporator after being throttled by a throttle valve, heat exchange is carried out between the circulating chilled water and the heated circulating chilled water in the evaporator (the circulating chilled water and the material secondary steam are heated after heat exchange, the material secondary steam is condensed into water), the circulating chilled water is cooled, and the refrigerant liquid becomes refrigerant steam with lower pressure and then is sent into the inlet of the compressor, thereby completing the closed cycle of the refrigerant.

In summary, the following steps: this special low temperature heat pump evaporimeter of landfill leachate, through single-effect separator 1, single-effect heater 2, condenser 3, condensation water pitcher 4, holding water box 5, frozen water pump 6, single-unit head refrigerator 7, screw vacuum pump 8, condensed water pump 9, forced circulation pump 10, the cooperation of discharge pump 11 and charge pump 12 is used, current low temperature heat pump evaporimeter has been solved, it is not good to the concentrated effect of landfill leachate, greatly increased volume or aftertreatment expense of recharging back, evaporating temperature is higher simultaneously, easy scale deposit, be not convenient for wash, among the equipment operation process, be not convenient for adjust compressor acting and compressor parameter, influence the problem of evaporimeter operating stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special low temperature heat pump evaporator of landfill leachate, includes single-effect separator (1), its characterized in that: the single-effect separator is characterized in that a feeding end of the single-effect separator (1) is communicated with a feeding pump (12) through a pipeline, a discharging end of the single-effect separator (1) is communicated with a forced circulation pump (10) and a discharging pump (11) through pipelines respectively, a discharging end of the discharging pump (11) is communicated with a feeding end of the single-effect separator (1) through a pipeline, a discharging end of the forced circulation pump (10) is communicated with a single-effect heater (2) through a pipeline, a discharging end of the single-effect heater (2) is communicated with a feeding end of the single-effect separator (1), a gas outlet end of the single-effect separator (1) is communicated with a condenser (3) through a pipeline, a gas outlet end of the condenser (3) is communicated with a screw vacuum pump (8) through a pipeline, a condensed water outlet end of the condenser (3) is communicated with a condensed water tank (4) through a pipeline, and a condensed water outlet end of the condensed water tank (, the freezing water outlet end of the condensed water pump (9) is communicated with the freezing water inlet end of the single-effect heater (2) through a pipeline, the freezing water outlet end of the single-effect heater (2) is communicated with a heat preservation water tank (5) through a pipeline, the refrigerant outlet end of the single-effect heater (2) is communicated with a single-head refrigerator (7) through a pipeline, the refrigerant outlet end of the single-head refrigerator (7) is communicated with the refrigerant inlet end of the single-effect heater (2) through a pipeline, the freezing water outlet end of the heat preservation water tank (5) is communicated with a freezing water pump (6), the freezing water outlet end of the freezing water pump (6) is communicated with the freezing water inlet end of the single-head refrigerator (7), and the cooling water outlet ends of the feed pump (12), the discharge pump (11), the forced circulation pump (10) and the condensed water pump (9) are communicated with a cooling water unit (13) through a pipeline, and the cooling water outlet end of the cooling water unit (13) is respectively communicated with the cooling water inlet ends of the feed pump (12), the discharge pump (11), the forced circulation pump (10) and the condensate pump (9) through pipelines.

2. The special low-temperature heat pump evaporator for landfill leachate according to claim 1, wherein: the water inlet cleaning end of the single-effect separator (1) is communicated with the separator cleaning water pipe through a pipeline, and the feed end of the feed pump (12) is communicated with the water outlet end of the cleaning water pipe and the discharge end of the raw material tank through pipelines.

3. The special low-temperature heat pump evaporator for landfill leachate according to claim 1, wherein: the forced circulation pump (10) and the sewage discharge end of the discharge pump (11) are communicated with the feed end of the sewage discharge pipeline and the water outlet end of the back flush water pipe through pipelines, and the cooling water inlet end and the cooling water outlet end of the single-head refrigerator (7) are communicated with the cooling water pipe through pipelines.

4. The special low-temperature heat pump evaporator for landfill leachate according to claim 1, wherein: and the single-effect separator (1) and the single-effect heater (2) are fixedly provided with a temperature transmitter, a local thermometer, a pressure transmitter and a local pressure gauge, and the cooling water unit (13) is provided with a water replenishing port and a sewage draining port.

5. The special low-temperature heat pump evaporator for landfill leachate according to claim 1, wherein: the discharging pipeline of the discharging pump (11) is provided with a sampling port and a cleaning port, the heat preservation water tank (5) is provided with a water discharging pipe, and a valve is fixedly mounted on the water discharging pipe.