CN219511348U - Chilled water plate-fin heat exchanger - Google Patents

Abstract

The utility model belongs to the field of plate-fin heat exchangers, in particular to a chilled water plate-fin heat exchanger, which comprises a heat exchanger; the water inlet pipe is provided with a filtering device; a filter cavity is formed in the filter box; a filter screen is clamped in the first clamping groove; a filter plate is clamped in the second clamping groove; a water inlet pipe is arranged in the filter cavity; a water outlet pipe is arranged on the side surface of the other end of the heat exchanger; a flow limiting device is arranged on the water outlet pipe; the flow limiting device comprises a connecting ring; a fixed base is fixedly connected to the top of the connecting ring; a rotating shaft is rotatably arranged in the fixed base; a rotary button is fixedly connected to the top of the rotary shaft; a water outlet cavity is formed in the water outlet pipe; the bottom of the rotating shaft is inserted into the water outlet cavity; the bottom of the rotating shaft is fixedly connected with a hemisphere; through the combined action of the filtering device and the flow limiting device, not only is the filtration of the chilled water realized, but also the flow limiting effect is achieved.

Description

Chilled water plate-fin heat exchanger

Technical Field

The utility model relates to the field of plate-fin heat exchangers, in particular to a chilled water plate-fin heat exchanger.

Background

With the development of social science and technology, various application-type apparatuses have been created in order to meet production requirements. For example, a heat exchanger is an indispensable device for realizing heat exchange and transfer in the chemical production process;

the common heat exchanger is a plate-fin heat exchanger, the existing plate-fin heat exchanger consists of fins, a partition plate, sealing strips, and the like, and the heat is absorbed through the action of the fins, so that the cooling effect is realized;

however, in the process of the function of the traditional plate-fin heat exchanger, the function is performed through the chilled water, the chilled water contains certain impurities, and when the plate-fin heat exchanger is used for a long time, the phenomenon of pipeline blockage can be generated, so that the normal use of the heat exchanger is affected; therefore, a chilled water plate-fin heat exchanger is proposed to address the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects of the prior art and solve some existing problems of the plate-fin heat exchanger, the utility model provides a chilled water plate-fin heat exchanger.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a chilled water plate-fin heat exchanger, which comprises a heat exchanger; a water inlet pipe is arranged on one end side surface of the heat exchanger; the water inlet pipe is provided with a filtering device; the filtering device comprises a filtering box; the water inlet pipe is sleeved with a filter box outside the section of the water inlet pipe, which is close to the heat exchanger; a filter cavity is formed in the filter box; the upper surface and the lower surface of the inner wall of the filter cavity are provided with first clamping grooves; a second clamping groove is formed in the upper surface and the lower surface of the inner wall of the filter cavity and close to the first clamping groove; a filter screen is clamped in the first clamping groove; a filter plate is clamped in the second clamping groove; a connecting port is formed on the side surface of the inner wall of the filter cavity; a water inlet pipe is arranged in the connecting port; a cover plate is rotatably arranged on the top of the filter box through a pin shaft; a handle is fixedly connected to the eccentric position of the top of the cover plate; the filtering effect of the chilled water is realized.

Preferably, a water inlet cavity is formed in the water inlet pipe; the water inlet cavity is communicated with the filter cavity; ensuring the smooth operation of the filtering device.

Preferably, an air outlet hole is fixedly connected at the eccentric position of the top of the heat exchanger; an air inlet is fixedly arranged at the eccentric position of the bottom of the heat exchanger; ensuring the smooth occurrence of the air cooling process.

Preferably, a water outlet pipe is arranged on the side surface of the other end of the heat exchanger; a flow limiting device is arranged on the water outlet pipe; the flow limiting device comprises a connecting ring; a connecting ring is sleeved outside the section of the water outlet pipe; a fixed base is fixedly connected to the top of the connecting ring; a rotating shaft is rotatably arranged in the fixed base; a rotary button is fixedly connected to the top of the rotary shaft; a water outlet cavity is formed in the water outlet pipe; the bottom of the rotating shaft is inserted into the water outlet cavity; the bottom of the rotating shaft is fixedly connected with a hemisphere; the effect of current limiting is achieved.

Preferably, the eccentric position of the rotary button is provided with a hole; the hole is provided with a clamping rod; the top of the clamping rod is fixedly connected with a fixing buckle; the diameter of the fixing buckle is far larger than the diameter of the hole on the rotary button; the smooth action of the clamping rod is realized.

Preferably, the top of the outer cambered surface of the fixed base is fixedly connected with an adjusting seat; the adjusting seat is provided with adjusting holes at equal intervals; the bottom of the clamping rod can be inserted into the adjusting hole; the angle adjustment is realized.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the filtering device, chilled water is filled into the filtering box through the water inlet pipe; under the effect of filter screen, realize preliminary impurity filtration, then the chilled water through preliminary filtration can filter once more via the filter plate, detach the less granule of diameter in the chilled water, realized the edulcoration filterable effect of chilled water, avoided chilled water to carry a large amount of impurity and influence the normal operating of heat transfer, improved the life of heat exchanger for the economic nature of heat exchanger is stronger.

2. According to the utility model, through the structural design of the flow limiting device, the rotating shaft is driven to rotate by rotating the rotating button, so that the hemispherical body rotates by a certain angle, after a preset flow rate is reached, the clamping rod is clamped in the adjusting hole by applying thrust to the fixing button, the fixing effect of the rotating button is realized, the speed of water flow is adjusted, and the cooling effect of chilled water can be fully exerted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of an isometric structure of a first embodiment;

FIG. 2 is a schematic diagram of a filtering device according to the first embodiment;

FIG. 3 is a schematic diagram of a flow restrictor device according to the first embodiment;

fig. 4 is a schematic structural diagram of an isometric view of a second embodiment.

In the figure: 1. a heat exchanger; 2. a water inlet pipe; 3. a water outlet pipe; 401. a filter box; 402. a filter chamber; 403. a first clamping groove; 404. a second clamping groove; 405. a filter screen; 406. a filter plate; 407. a cover plate; 408. a handle; 409. a connection port; 410. a water inlet cavity; 501. a connecting ring; 502. a fixed base; 503. a rotating shaft; 504. a rotary knob; 505. a clamping rod; 506. a fixing buckle; 507. an adjustment aperture; 508. an adjusting seat; 509. a hemisphere; 510. a water outlet cavity; 6. an air outlet hole; 7. an air inlet hole; 8. and (5) grinding the sand pad.

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.

Example 1

Referring to fig. 1-3, a chilled water plate-fin heat exchanger includes a heat exchanger 1; a water inlet pipe 2 is arranged on one end side surface of the heat exchanger 1; the water inlet pipe 2 is provided with a filtering device; the filtering device comprises a filter box 401; a filter box 401 is sleeved outside the section of the water inlet pipe 2, which is close to the heat exchanger 1; a filter cavity 402 is formed in the filter box 401; the upper and lower surfaces of the inner wall of the filter cavity 402 are provided with first clamping grooves 403; a second clamping groove 404 is formed in the upper surface and the lower surface of the inner wall of the filter cavity 402 and close to the first clamping groove 403; a filter screen 405 is clamped in the first clamping groove 403; a filter plate 406 is clamped in the second clamping groove 404; a connecting port 409 is formed on the side surface of the inner wall of the filter cavity 402; a water inlet pipe 2 is arranged in the connecting port 409; a cover plate 407 is rotatably arranged on the top of the filter box 401 through a pin shaft; a handle 408 is fixedly connected to the eccentric position of the top of the cover plate 407; the water inlet pipe 2 is internally provided with a water inlet cavity 410; the water inlet cavity 410 is communicated with the filter cavity 402; an air outlet hole 6 is fixedly connected at the eccentric position of the top of the heat exchanger 1; an air inlet 7 is fixedly arranged at the eccentric position of the bottom of the heat exchanger 1; during operation, in the process of the action of the traditional plate-fin heat exchanger, chilled water is added into the heat exchanger, hot air is injected into an action pipeline in the heat exchanger, the hot air is converted into air with lower temperature through the alternating action of cold and hot, but impurities can occur in the chilled water, long-time impurity accumulation can block a water pipeline in the heat exchanger, the utility model acts through a filtering device, and the chilled water is injected into a filtering box 401 through a water inlet pipe 2; under the effect of filter screen 405, realize preliminary impurity filtration, the chilled water through preliminary filtration can be filtered once more through filter plate 406 later, and the less granule of removal chilled water middle diameter has realized the edulcoration filterable effect of chilled water, has avoided chilled water to carry a large amount of impurity and influence the normal operating of heat transfer, has improved the life of heat exchanger for the economic nature of heat exchanger is stronger.

A water outlet pipe 3 is arranged on the side surface of the other end of the heat exchanger 1; a flow limiting device is arranged on the water outlet pipe 3; the flow restricting device comprises a connecting ring 501; a connecting ring 501 is sleeved outside the section of the water outlet pipe 3; a fixed base 502 is fixedly connected to the top of the connecting ring 501; a rotating shaft 503 is rotatably arranged in the fixed base 502; a rotary button 504 is fixedly connected to the top of the rotary shaft 503; a water outlet cavity 510 is formed in the water outlet pipe 3; the bottom of the rotating shaft 503 is inserted into the water outlet cavity 510; a hemispherical body 509 is fixedly connected to the bottom of the rotating shaft 503; the eccentric position of the rotary button 504 is provided with a hole; the opening is provided with a clamping rod 505; the top of the clamping rod 505 is fixedly connected with a fixing buckle 506; the diameter of the retaining button 506 is much larger than the diameter of the opening in the knob 504; an adjusting seat 508 is fixedly connected to the top of the outer cambered surface of the fixed base 502; the adjusting seat 508 is provided with adjusting holes 507 at equal intervals; the bottom of the clamping rod 505 can be inserted into the adjusting hole 507; during operation, in the process of the heat exchanger, heat is brought out by passing water flow to realize the effect of cooling, but the water flows fast and can not fully exert the effect of chilled water.

Example two

Referring to fig. 4, in a first comparative example, as another embodiment of the present utility model, a sanding pad 8 is adhered to a surface of a fixing button 506; during operation, in the current limiting adjustment process, the state of adjustment operation can be ensured to be more stable and rapid.

Working principle: in the process of the action of the traditional plate-fin heat exchanger, chilled water is added into the heat exchanger, hot air is injected into an action pipeline in the heat exchanger, the hot air is converted into air with lower temperature through the alternating action of cold and hot, but impurities can occur in the chilled water, long-time impurity accumulation can block a water transportation pipeline in the heat exchanger, the utility model acts through a filtering device, and the chilled water is injected into a filtering box 401 through a water inlet pipe 2; under the action of the filter screen 405, preliminary impurity filtration is realized, then the chilled water subjected to preliminary filtration is filtered again through the filter plate 406, particles with smaller diameters in the chilled water are removed, the impurity removal and filtration effects of the chilled water are realized, the normal operation of heat exchange caused by the fact that the chilled water carries a large amount of impurities is avoided, the service life of the heat exchanger is prolonged, and the economical efficiency of the heat exchanger is higher; in the process of the heat exchanger, heat is brought out by passing water flow to realize the effect of cooling, but the water flows fast and can not fully exert the effect of chilled water.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A chilled water plate-fin heat exchanger, characterized in that: comprises a heat exchanger (1); a water inlet pipe (2) is arranged on one end side surface of the heat exchanger (1); a filtering device is arranged on the water inlet pipe (2); the filtering device comprises a filtering box (401); a filter box (401) is sleeved outside the section of the water inlet pipe (2) close to the heat exchanger (1); a filter cavity (402) is formed in the filter box (401); a first clamping groove (403) is formed in the upper surface and the lower surface of the inner wall of the filter cavity (402); a second clamping groove (404) is formed in the upper surface and the lower surface of the inner wall of the filter cavity (402) and close to the first clamping groove (403); a filter screen (405) is clamped in the first clamping groove (403); a filter plate (406) is clamped in the second clamping groove (404); a connecting port (409) is formed on the side surface of the inner wall of the filter cavity (402); a water inlet pipe (2) is arranged in the connecting port (409); a cover plate (407) is rotatably arranged at the top of the filter box (401) through a pin shaft; a handle (408) is fixedly connected to the eccentric position of the top of the cover plate (407).

2. A chilled water plate fin heat exchanger according to claim 1, wherein: a water inlet cavity (410) is formed in the water inlet pipe (2); the water inlet cavity (410) is communicated with the filter cavity (402).

3. A chilled water plate fin heat exchanger according to claim 2, wherein: an air outlet hole (6) is fixedly connected at the eccentric position of the top of the heat exchanger (1); an air inlet hole (7) is fixedly arranged at the eccentric position of the bottom of the heat exchanger (1).

4. A chilled water plate fin heat exchanger according to claim 3, wherein: a water outlet pipe (3) is arranged on the side surface of the other end of the heat exchanger (1); a flow limiting device is arranged on the water outlet pipe (3); the flow limiting device comprises a connection ring (501); a connecting ring (501) is sleeved outside the section of the water outlet pipe (3); a fixed base (502) is fixedly connected to the top of the connecting ring (501); a rotating shaft (503) is rotatably arranged in the fixed base (502); a rotary button (504) is fixedly connected to the top of the rotary shaft (503); a water outlet cavity (510) is formed in the water outlet pipe (3); the bottom of the rotating shaft (503) is inserted into a water outlet cavity (510); a hemispherical body (509) is fixedly connected to the bottom of the rotating shaft (503).

5. A chilled water plate fin heat exchanger according to claim 4, wherein: an opening is formed in the eccentric position of the rotary button (504); the hole is provided with a clamping rod (505); the top of the clamping rod (505) is fixedly connected with a fixing buckle (506); the diameter of the fixing buckle (506) is far larger than the diameter of the opening on the rotary button (504).

6. A chilled water plate fin heat exchanger according to claim 5, wherein: an adjusting seat (508) is fixedly connected to the top of the outer cambered surface of the fixed base (502); an adjusting hole (507) is formed in the adjusting seat (508) at a medium distance; the bottom of the clamping rod (505) can be inserted into the adjusting hole (507).