CN219194571U

CN219194571U - Low-temperature evaporator

Info

Publication number: CN219194571U
Application number: CN202320200093.7U
Authority: CN
Inventors: 孙国政; 何艳; 郑国忠
Original assignee: Kunshan Wenzheng Metal Technology Co ltd
Current assignee: Kunshan Wenzheng Metal Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-16
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a low-temperature evaporator, which relates to the technical field of sewage treatment and comprises a main body, wherein the main body is internally composed of a heating chamber and an evaporating chamber, a defoaming component is arranged between the heating chamber and the evaporating chamber, two sides of the main body are respectively communicated with a raw liquid pipe and a heat pump compressor heat supply cooling unit, a secondary steam pipe is fixedly arranged at the top of the main body, one end of the secondary steam pipe is communicated with a water tank, the lower end of one side of the water tank is communicated with a vacuum circulating pump, and the vacuum circulating pump is communicated with the heat pump compressor heat supply cooling unit. According to the utility model, raw material liquid is injected into the main body through the raw liquid pipe, the vacuum circulating pump pumps water in the water tank, the heat pump compressor supplies heating steam for the heating chamber, the raw material liquid is repeatedly heated in the central circulating pipe, the water steam is lifted into the evaporation chamber, the secondary steam pipe and the cooling pipe from the heating pipe bundle and cooled into water drops and is dripped into the water tank, the foam-eliminating assembly can eliminate generated foam, and the heated raw material liquid flows out through the liquid outlet.

Description

Low-temperature evaporator

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a low-temperature evaporator.

Background

Along with the continuous development of industrial evaporation technology, the structure and the type of evaporation equipment are continuously improved and innovated, and the evaporation equipment has various types and different structures; the common evaporator mainly comprises a heating chamber and a separation chamber, wherein the heating chamber is of various types, a jacket type or a coiled pipe type heating device is firstly adopted, a horizontal short pipe heating chamber and a vertical short pipe heating chamber are arranged behind the heating chamber, and then the vertical long pipe liquid film evaporator, the scraper type thin film evaporator and the like are invented; indirectly heated evaporators commonly used in the industry can be broadly classified into two types, a circulating type and a single pass type, depending on the condition that the solution flows in the evaporator.

The low-temperature evaporator with the retrieval publication number of CN215403195U comprises an evaporation tank, wherein a heating coil is erected in the evaporation tank, the bottom of the evaporation tank is communicated with a feed inlet, the top of the evaporation tank is communicated with an exhaust pipe and is provided with a concentration, temperature and pressure monitor, the side wall of the evaporation tank is provided with a liquid level meter and is communicated with a discharge port, high-pressure air and an air inlet pipe, valves are arranged on the exhaust pipe, the feed inlet, the air and the high-pressure air inlet pipe, a thermal Freon outlet and an inlet of a heat pump compressor heat supply cooling unit are correspondingly communicated with the inlet and outlet ends of the heating coil, a water outlet of the heat pump compressor heat supply cooling unit and an outlet end of the heating coil are communicated with a cooler together, a jet device, a vacuum circulating pump and a water tank are sequentially communicated between a water inlet of the heat pump and an outlet end of the cooler, and the jet device, the vacuum circulating pump, the heat pump compressor heat supply cooling unit, the cooler, the valves, the liquid level meter, the concentration, the temperature and the pressure monitor are all connected with a programmable controller; the utility model solves the problem of how to safely and automatically concentrate sewage with low cost.

However, the existing evaporator and the low-temperature evaporator have complex structures and high installation and use costs, and the treated wastewater and distilled water are unfavorable for secondary use.

Disclosure of Invention

The present utility model has been made in view of the above-described problems with the conventional low-temperature evaporator.

Therefore, the utility model aims to provide a low-temperature evaporator, which solves the problems that the existing evaporator and the low-temperature evaporator are complex in structure, high in installation and use cost and unfavorable for secondary use of treated wastewater and distilled water.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a low temperature evaporator, includes the main part, the inside heating chamber, evaporating chamber of constituteing of main part, install the defoaming subassembly between heating chamber and the evaporating chamber, the main part both sides communicate respectively and have stoste pipe and heat pump compressor heat supply cooling unit, main part top fixed mounting has the secondary steam pipe, secondary steam pipe one end intercommunication has the water tank, water tank one side lower extreme intercommunication has the vacuum circulating pump, the vacuum circulating pump is linked together with heat pump compressor heat supply cooling unit, vacuum circulating pump bottom fixedly connected with unable adjustment base, be provided with heating chamber and evaporating chamber in the evaporator main part and can heat and evaporate the feed liquid, and the defoaming subassembly between the two is used for eliminating the foam that produces when heating, and behind the water in the vacuum circulating pump extraction water tank to through heat pump compressor heat supply cooling unit manufacturing heating steam, and provide in the heating chamber.

Preferably, the stock solution pipe has been seted up to main part one side, heating chamber one side intercommunication has heat pump compressor heat supply cooling unit, install detachable defoaming subassembly and top spiro union evaporation chamber in the main part, the condenser pipe is all installed to main part lower extreme both sides, the liquid outlet has been seted up to the main part bottom, and the stock solution is annotated in the main part through the stock solution pipe, and the condenser pipe of both sides is used for discharging the water after the indoor condensation of heating, and the liquid outlet can discharge the completion liquid after the evaporation.

Further, the secondary steam pipe is installed at the evaporating chamber top, secondary steam pipe one end intercommunication water tank, the cooling tube is installed to the upper end in the water tank, and communicates the one end at the secondary steam pipe, the even drip hole of seting up in cooling tube bottom, water tank one side intercommunication has the water inlet, and is located the cooling tube lower extreme, water tank opposite side lower extreme intercommunication has the vacuum circulating pump, distilled water after evaporating through the evaporating chamber, the cooling tube in leading-in water tank through the secondary steam pipe to drip into the water tank through the drip hole after the cooling water droplet, the water inlet can add the water source, makes things convenient for the circulation vacuum pump extraction of lower extreme.

Preferably, the heating chamber is composed of a heating tube bundle and a central circulating tube, the central circulating tube is arranged in the center of the heating tube bundle, one side of the central circulating tube is communicated with a heating steam tube, the heat pump compressor heat supply cooling unit is communicated with one end of the heating steam tube, the lower end of the heat pump compressor heat supply cooling unit is communicated with a vacuum circulating pump, the heating chamber is composed of a vertical heating tube bundle, the central circulating tube with a larger diameter is arranged at the center of the heating chamber, the cross section area of the central circulating tube is generally 40-100% of the total cross section area of the heating tube bundle, and then the solution is continuously circulated in the heating tube, so that the concentration of the solution is always close to that of finished liquid.

Preferably, the defoaming subassembly comprises defoaming filter screen, defoaming agent adding pipe, defoaming hole, the defoaming filter screen spiro union is between main part and evaporating chamber, defoaming agent adding pipe is opened to defoaming filter screen one side, defoaming cell has evenly been seted up on the defoaming filter screen, adds the defoaming agent in the defoaming subassembly through defoaming agent adding pipe to flow through the defoaming filter screen, thereby eliminate the foam that the raw materials liquid produced in the heating process.

Preferably, one side of the heat pump compressor heat supply cooling unit is communicated in the heating chamber through a heating steam pipe, the top of the vacuum circulating pump is communicated with the heat pump compressor heat supply cooling unit, the vacuum circulating pump is fixedly arranged at the top of the fixed base, water in the water tank is pumped by the vacuum circulating pump and then is led into the heat pump compressor heat supply cooling unit, and heat generated during the operation of the heat pump compressor heat supply cooling unit is conveyed into the heating chamber through the heating steam pipe and can enable solution to boil.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, raw material liquid is injected into the main body through the raw liquid pipe, the vacuum circulating pump pumps water in the water tank, the heat pump compressor supplies heating steam for the heating chamber, the raw material liquid is repeatedly heated by the central circulating pipe, the water steam is lifted into the evaporation chamber, the secondary steam pipe and the cooling pipe from the heating pipe bundle and cooled into water drops and is dripped into the water tank, the foam-eliminating assembly can eliminate generated foam, and the heated raw material liquid flows out through the liquid outlet.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a first cross-sectional perspective view of the present utility model;

FIG. 3 is a second cross-sectional perspective view of the present utility model;

fig. 4 is a second perspective view of the present utility model.

Reference numerals illustrate:

1. a main body; 2. a heating chamber; 3. a stock solution pipe; 4. a defoaming assembly; 5. an evaporation chamber; 6. a secondary steam pipe; 7. a water tank; 8. a heat pump compressor heat supply cooling unit; 9. a vacuum circulation pump; 10. a fixed base; 11. a water inlet; 12. a cooling tube; 13. a liquid outlet; 14. a condensing tube; 21. a heating tube bundle; 22. a central circulation tube; 23. heating the steam pipe; 41. defoaming filter screen; 42. a defoamer addition pipe; 43. eliminating foam holes.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a low-temperature evaporator.

The utility model provides a low-temperature evaporator shown in figures 1-4, which comprises a main body 1, wherein the inside of the main body 1 is composed of a heating chamber 2 and an evaporating chamber 5, a defoaming component 4 is arranged between the heating chamber 2 and the evaporating chamber 5, two sides of the main body 1 are respectively communicated with a stock solution pipe 3 and a heat pump compressor heat supply cooling unit 8, the top of the main body 1 is fixedly provided with a secondary steam pipe 6, one end of the secondary steam pipe 6 is communicated with a water tank 7, the lower end of one side of the water tank 7 is communicated with a vacuum circulating pump 9, the vacuum circulating pump 9 is communicated with the heat pump compressor heat supply cooling unit 8, and the bottom of the vacuum circulating pump 9 is fixedly connected with a fixing base 10.

Raw material liquid is injected into the evaporator main body 1 through the raw material liquid pipe 3, water in the water tank 7 is pumped by the vacuum circulating pump 9, heat is provided for the heating chamber 2 through the heat pump compressor heat supply cooling unit 8, the raw material liquid is heated in the heating chamber 2, water vapor rises into the evaporating chamber 5 through the heating pipe bundle 21, foam in the raw material liquid is eliminated through the defoaming component 4, the raw material liquid repeatedly passes through the water vapor heated by the central circulating pipe 22, is cooled into water drops through the secondary steam pipe 6 and the cooling pipe 12 and then is dripped into the water tank 7, the heated raw material liquid flows out through the liquid outlet 13, and the vacuum circulating pump 9 can be fixed by the fixing base 10.

In order to fully heat, evaporate and concentrate raw material liquid, as shown in fig. 2-4, a raw material liquid pipe 3 is arranged on one side of a main body 1, a heat pump compressor heating and cooling unit 8 is communicated on one side of a heating chamber 2, a detachable defoaming component 4 is arranged on the main body 1, the top of the detachable defoaming component is in threaded connection with an evaporation chamber 5, two sides of the lower end of the main body 1 are provided with condensation pipes 14, and a liquid outlet 13 is arranged at the bottom of the main body 1;

the heating chamber 2 consists of a heating tube bundle 21 and a central circulating tube 22, the central circulating tube 22 is arranged in the center of the heating tube bundle 21, one side of the central circulating tube 22 is communicated with a heating steam tube 23, the heat pump compressor heat supply cooling unit 8 is communicated with one end of the heating steam tube 23, and the lower end of the heat pump compressor heat supply cooling unit 8 is communicated with the vacuum circulating pump 9;

the defoaming subassembly 4 comprises defoaming filter screen 41, defoaming agent add pipe 42, defoaming hole 43, and defoaming filter screen 41 spiro union is between main part 1 and evaporating chamber 5, and defoaming filter screen 41 one side is opened has defoaming agent to add pipe 42, has evenly seted up defoaming hole 43 on the defoaming filter screen 41.

When the raw material liquid is injected into the main body 1 of the evaporator through the raw material liquid pipe 3, heat generated when the heat pump compressor supplies heat to the cooling unit 8 and works is transmitted into the heating chamber 2 through the heating steam pipe 23, so that the raw material liquid is heated by the central circulating pipe 22 in the heating chamber 2, the heated solution boils and rises through the heating pipe bundle 21, the central circulating pipe 22 has a large cross section area, the solution does not reach the temperature in the heating pipe, and then the solution descends from the central circulating pipe 22, namely the liquid circulates in the heating chamber 2, and then the raw material liquid is continuously circulated, heated and evaporated in the heating chamber 2 and the central circulating pipe 22, so that the concentration of the solution is close to that of the finished liquid and flows out through the liquid outlet 13; the foam generated in the heating process of the solution can be eliminated by the foam eliminating filter screen 41 in the foam eliminating assembly 4, and the water vapor generated in the heating process can be introduced into the water tank 7 through the secondary steam pipe 6 after rising into the evaporation chamber 5 through the foam eliminating holes 43.

In order to recycle the treated wastewater and distilled water, as shown in fig. 2-3, a secondary steam pipe 6 is arranged at the top of the evaporation chamber 5, one end of the secondary steam pipe 6 is communicated with a water tank 7, a cooling pipe 12 is arranged at the upper end in the water tank 7 and is communicated with one end of the secondary steam pipe 6, the bottom of the cooling pipe 12 is uniformly provided with a liquid dropping hole, one side of the water tank 7 is communicated with a water inlet 11 and is positioned at the lower end of the cooling pipe 12, and the lower end of the other side of the water tank 7 is communicated with a vacuum circulating pump 9;

one side of the heat pump compressor heat supply cooling unit 8 is communicated in the heating chamber 2 through a heating steam pipe 23, the top of the vacuum circulating pump 9 is communicated with the heat pump compressor heat supply cooling unit 8, and the top of the fixed base 10 is fixedly provided with the vacuum circulating pump 9.

After the heated water vapor rises into the evaporation chamber 5, the water vapor flows into the cooling pipe 12 in the upper end of the water tank 7 through the secondary steam pipe 6, and after the water vapor is cooled into water drops through the cooling pipe 12, the water drops drop into the water tank 7 from the drop holes, water in the water tank 7 can be added into the water tank 7 through the water inlet 11 so as to be pumped by the vacuum circulating pump 9, the solution which is heated and evaporated for many times is discharged and collected through the liquid outlet 13, the treated wastewater can be recycled, the wastewater can be discharged after reaching the standard, and the outsourcing treatment cost can be reduced by 95%.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a low temperature evaporator, includes main part (1), main part (1) is inside to be constituteed by heating chamber (2), evaporating chamber (5), install defoaming subassembly (4) between heating chamber (2) and evaporating chamber (5), a serial communication port, main part (1) both sides communicate respectively has stoste pipe (3) and heat pump compressor heat supply cooling unit (8), main part (1) top fixed mounting has secondary steam pipe (6), secondary steam pipe (6) one end intercommunication has water tank (7), water tank (7) one side lower extreme intercommunication has vacuum circulating pump (9), vacuum circulating pump (9) are linked together with heat pump compressor heat supply cooling unit (8), vacuum circulating pump (9) bottom fixedly connected with unable adjustment base (10).

2. The low-temperature evaporator according to claim 1, wherein a raw liquid pipe (3) is arranged on one side of the main body (1), a heat pump compressor heating and cooling unit (8) is communicated on one side of the heating chamber (2), a detachable defoaming component (4) is arranged on the main body (1) and is in threaded connection with the evaporation chamber (5) at the top, condensing pipes (14) are arranged on two sides of the lower end of the main body (1), and a liquid outlet (13) is arranged at the bottom of the main body (1).

3. The low-temperature evaporator according to claim 1, wherein the secondary steam pipe (6) is installed at the top of the evaporation chamber (5), one end of the secondary steam pipe (6) is communicated with the water tank (7), the cooling pipe (12) is installed at the upper end in the water tank (7) and is communicated with one end of the secondary steam pipe (6), dropping holes are uniformly formed in the bottom of the cooling pipe (12), a water inlet (11) is communicated with one side of the water tank (7) and is located at the lower end of the cooling pipe (12), and a vacuum circulating pump (9) is communicated with the lower end of the other side of the water tank (7).

4. The low-temperature evaporator according to claim 2, wherein the heating chamber (2) is composed of a heating tube bundle (21) and a central circulating tube (22), the central circulating tube (22) is arranged in the center of the heating tube bundle (21), a heating steam tube (23) is communicated with one side of the central circulating tube (22), the heat pump compressor heat supply cooling unit (8) is communicated with one end of the heating steam tube (23), and the lower end of the heat pump compressor heat supply cooling unit (8) is communicated with a vacuum circulating pump (9).

5. The low-temperature evaporator according to claim 2, wherein the defoaming component (4) is composed of a defoaming filter screen (41), a defoaming agent adding pipe (42) and defoaming holes (43), the defoaming filter screen (41) is connected between the main body (1) and the evaporating chamber (5) in a threaded mode, the defoaming agent adding pipe (42) is arranged on one side of the defoaming filter screen (41), and defoaming holes (43) are uniformly formed in the defoaming filter screen (41).

6. The low-temperature evaporator according to claim 4, wherein one side of the heat pump compressor heat supply cooling unit (8) is communicated in the heating chamber (2) through a heating steam pipe (23), the heat pump compressor heat supply cooling unit (8) is communicated with the top of the vacuum circulating pump (9), and the vacuum circulating pump (9) is fixedly installed at the top of the fixed base (10).