CN220648229U - Buffer tank structure of evaporator - Google Patents

Abstract

The utility model discloses an evaporator buffer tank structure which comprises an evaporator shell and a water tank, wherein a buffer tank body, a water supply pump, a furnace body and a condenser are sequentially and fixedly arranged in the evaporator shell, the water outlet end of the condenser is communicated with the buffer tank body, the water outlet end of the buffer tank body is communicated with the water supply pump and the water inlet end of the furnace body, and the water outlet end of the furnace body is communicated with the top of the condenser. According to the utility model, the buffer tank structure is arranged between the condenser and the furnace body pipeline, so that the water flow rate can be instantaneously reduced, high-speed water is prevented from directly impacting the water feeding pump impeller, meanwhile, the ball valve is arranged at the circulation port and then the water feeding pump impeller is connected with the external water tank for pressure relief, the pressure at the inlet of the water feeding pump is kept stable, the output pressure of the water feeding pump is controlled more stably, the stability of the steam pressure is ensured, meanwhile, the air release valve is additionally arranged, the redundant air in the pipeline is discharged, the blow-down valve is additionally arranged, the tank body is irregularly cleaned, and the service life of the device is prolonged.

Description

Buffer tank structure of evaporator

Technical Field

The utility model relates to an evaporator buffer tank structure, and belongs to the technical field of evaporator buffer tanks.

Background

The steam generator is a non-inspection steam production device, the volume requirement from a water feed pump stop valve to a steam outlet valve is not more than 30L, in order to meet the requirement, a water feed pump is required to be arranged between a condenser and a furnace body, a centrifugal pump has no suction stroke, and 1 booster pump is required to be additionally arranged in front of the condenser, so that water can smoothly flow through the condenser to enter the water feed pump, the problem is that the water feed pump impeller is directly impacted by the excessively fast water flow speed, meanwhile, the water feed pump output pressure is unstable due to large fluctuation change of pressure along with the start and stop of the water feed pump, and the common solution is as shown in figure 3.

Although the problem of unstable output pressure control can be solved in this well method, but the surge tank can only be installed and pass through the tee bend mode at the water route and connect, and the water route velocity of flow can't reduce, can't solve the mechanical shock damage to the impeller when the booster pump starts.

Disclosure of Invention

The present utility model is directed to an evaporator buffer tank structure, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including evaporimeter casing and water tank, the inside of evaporimeter casing has buffer tank body, feed pump, furnace body and condenser in proper order, the play water end and the buffer tank body intercommunication of condenser, the play water end intercommunication feed pump of buffer tank body communicates with the inlet end of furnace body, the play water end and the condenser top intercommunication of furnace body, the bottom fixed mounting of furnace body has a fire burning cylinder, the play water end fixed mounting of water tank has the booster pump, the play water end of booster pump communicates with the inlet end of condenser.

In the above-mentioned evaporimeter buffer tank structure, the buffer tank body comprises jar body, water inlet, delivery port, drain, circulation mouth and bleed valve, the center department fixed mounting in jar body top has the water inlet, the water inlet is connected with the condenser pipeline, the fixed circulation mouth that is equipped with in one side on jar body top, circulation mouth and water tank top pipe connection, the opposite side fixed mounting on jar body top has the bleed valve, the bottom of jar body is fixed respectively and is equipped with drain and delivery port, the inside fixed mounting of drain has the drain valve, delivery port and furnace body pipe connection.

In the evaporator buffer tank structure, the ball valve is fixedly arranged at the position of the circulating port and the pipeline at the top of the water tank.

In the above-mentioned evaporator buffer tank structure, the head wall thickness and the tank bottom wall thickness of the buffer tank body are both 3mm.

In the above-mentioned evaporator buffer tank structure, the top fixed mounting of condenser has the exhaust port, the top fixed mounting of furnace body has the steam outlet, the inside fixed mounting of steam outlet has the outlet valve.

In the above-mentioned evaporator buffer tank structure, the water supply pump is fixedly arranged at the middle part of the pipeline at the water inlet end of the furnace body.

Compared with the prior art, the utility model has the beneficial effects that: through installing buffer tank structure between condenser and furnace body pipeline, can reduce the water velocity in twinkling of an eye, avoid high-speed water direct impact feed pump impeller, the external water tank of access carries out the pressure release behind the circulating port installation ball valve simultaneously, keep feed pump entrance pressure stable, make feed pump output pressure control more stable, just also guaranteed steam pressure's stability, install the relief valve additional simultaneously, discharge the unnecessary gas in the pipeline, install the blowoff valve additional, the unscheduled blowdown clearance of going on the jar body, the life of extension inventive device.

Drawings

FIG. 1 is a schematic diagram of the structure of an evaporator surge tank of the present utility model;

FIG. 2 is a schematic view of a buffer tank body of the evaporator buffer tank structure of the present utility model;

fig. 3 is a schematic view showing the internal structure of a conventional evaporator having a buffer tank structure of the evaporator according to the present utility model.

In the figure: 1. an evaporator housing; 2. a water tank; 3. a booster pump; 4. a buffer tank body; 401. a tank body; 402. a water inlet; 403. a water outlet; 404. a sewage outlet; 405. a circulation port; 406. a bleed valve; 5. a water feed pump; 6. a combustion cylinder; 7. a furnace body; 8. a condenser; 9. a smoke outlet; 10. an outlet valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution for an evaporator buffer tank structure:

according to the scheme shown in fig. 1-2, the water tank comprises an evaporator shell 1 and a water tank 2, wherein a buffer tank body 4, a water feeding pump 5, a furnace body 7 and a condenser 8 are sequentially and fixedly arranged in the evaporator shell 1, the water outlet end of the condenser 8 is communicated with the buffer tank body 4, the water outlet end of the buffer tank body 4 is communicated with the water feeding pump 5 and the water inlet end of the furnace body 7, the water outlet end of the furnace body 7 is communicated with the top of the condenser 8, a combustion fire cylinder 6 is fixedly arranged at the bottom end of the furnace body 7, a booster pump 3 is fixedly arranged at the water outlet end of the water tank 2, the water outlet end of the booster pump 3 is communicated with the water inlet end of the condenser 8, the water flow rate can be instantaneously reduced through the design of the buffer tank body 4, and the high-speed water is prevented from directly impacting the impeller of the water feeding pump 5.

According to the illustration of fig. 1 and 2, the buffer tank body 4 comprises a tank body 401, a water inlet 402, a water outlet 403, a drain 404, a circulating port 405 and a release valve 406, wherein the water inlet 402 is fixedly arranged at the center of the top end of the tank body 401, the water inlet 402 is connected with a condenser 8 through a pipeline, the circulating port 405 is fixedly arranged at one side of the top end of the tank body 401, the circulating port 405 is connected with the top of the water tank 2 through a pipeline, the release valve 406 is fixedly arranged at the other side of the top end of the tank body 401, the drain 404 and the water outlet 403 are respectively fixedly arranged at the bottom end of the tank body 401, the drain valve is fixedly arranged in the drain 404, and the water outlet 403 is connected with the furnace body 7 through a pipeline.

The ball valve is fixedly arranged at the circulation port 405 and the pipeline at the top of the water tank 2, and the pressure at the inlet of the water feed pump 5 is kept stable through the design of the ball valve, so that the output pressure control of the water feed pump 5 is more stable, and the stability of the steam pressure is ensured.

The wall thickness of the sealing head and the wall thickness of the tank bottom of the buffer tank body 4 are 3mm.

The top fixed mounting of condenser 8 has exhaust port 9, through the design of exhaust port 9, is convenient for discharge fume, and the top fixed mounting of furnace body 7 has steam outlet, and steam outlet's inside fixed mounting has outlet valve 10, through steam outlet, is convenient for the outflow of steam.

The water supply pump 5 and the middle part of the water inlet end pipeline of the furnace body 7 are fixedly provided with one-way valves, and the problem of water backflow is reduced through the arrangement of the one-way valves.

According to the working principle, in the buffer tank structure of the evaporator, the booster pump 3 pumps water in the water tank 2 into the condenser 8 in the use process, exchanges heat with smoke generated by the combustion fire cylinder 6, changes low-temperature water into high-temperature water, then enters the buffer tank body 4, the buffer tank body 4 is thicker in diameter, the water flow rate can be instantaneously reduced, high-speed water is prevented from directly impacting the impeller of the feed pump 5, meanwhile, the circulation port 405 of the buffer tank body 4 is connected with the external water tank 2 for pressure relief after being provided with the ball valve, the pressure at the inlet of the feed pump 5 is kept stable, the output pressure of the feed pump 5 is controlled more stably, the stability of steam pressure is guaranteed, meanwhile, the air release valve 406 is additionally arranged, redundant air in a pipeline is discharged, the drain valve is additionally arranged, the tank 401 is subjected to drain cleaning at an irregular period, and the service life is prolonged.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides an evaporator buffer tank structure, includes evaporator casing (1) and water tank (2), its characterized in that, the inside of evaporator casing (1) is fixed mounting in proper order has buffer tank body (4), feed pump (5), furnace body (7) and condenser (8), the play water end and the buffer tank body (4) intercommunication of condenser (8), the play water end intercommunication feed pump (5) of buffer tank body (4) and the inlet end intercommunication of furnace body (7), the play water end and the condenser (8) top intercommunication of furnace body (7), the bottom fixed mounting of furnace body (7) has fire section of thick bamboo (6), the play water end fixed mounting of water tank (2) has booster pump (3), the play water end of booster pump (3) communicates with the inlet end of condenser (8).

2. The evaporator surge tank structure of claim 1, wherein: buffer tank body (4) comprises jar body (401), water inlet (402), delivery port (403), drain (404), circulation mouth (405) and bleed valve (406), the center department fixed mounting in jar body (401) top has water inlet (402), water inlet (402) and condenser (8) tube coupling, the fixed circulation mouth (405) that is equipped with in one side on jar body (401) top, circulation mouth (405) and water tank (2) top tube coupling, the opposite side fixed mounting on jar body (401) top has bleed valve (406), the bottom of jar body (401) is fixed respectively to be equipped with drain (404) and delivery port (403), the inside fixed mounting of drain (404) has the drain valve, delivery port (403) and furnace body (7) tube coupling.

3. The evaporator surge tank structure of claim 2, wherein: and a ball valve is fixedly arranged at the position of the circulation port (405) and the pipeline at the top of the water tank (2).

4. The evaporator surge tank structure of claim 1, wherein: the wall thickness of the sealing head and the wall thickness of the tank bottom of the buffer tank body (4) are 3mm.

5. The evaporator surge tank structure of claim 1, wherein: the top of condenser (8) fixed mounting has exhaust port (9), the top of furnace body (7) fixed mounting has steam outlet, the inside fixed mounting of steam outlet has outlet valve (10).

6. The evaporator surge tank structure of claim 1, wherein: the water supply pump (5) and the middle part of the water inlet end pipeline of the furnace body (7) are fixedly provided with one-way valves.