CN217274871U

CN217274871U - Heating system of metal band alkali washing tank

Info

Publication number: CN217274871U
Application number: CN202220132389.5U
Authority: CN
Inventors: 赵军
Original assignee: Zhejiang Hongding Industrial Co ltd
Current assignee: Zhejiang Hongding Industrial Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-23
Anticipated expiration: 2032-01-18

Abstract

The utility model provides a heating system of strap alkali wash tank belongs to (window) curtain tripe production technical field. The metal band alkaline washing tank solves the technical problems that a large amount of steam is generated and the solution is heated unevenly in the conventional metal band alkaline washing tank heat supply mode. This heating system in metal area alkali wash basin includes alkali pond, the inner chamber in alkali pond is equipped with the heat exchange tube, be equipped with the heat exchanger that continuously receives external heat outside the alkali pond, the both ends of heat exchange tube all stretch out alkali pond and can with heat exchanger's same inner chamber intercommunication, be equipped with on the heat exchange tube and drive the circulating pump that the fluid circulation in this heat exchange tube flows. The utility model discloses the steam volume of effective control operational environment reduces sight interference and peculiar smell.

Description

Heating system of metal band alkali washing tank

Technical Field

The utility model belongs to the technical field of the production of (window) curtain tripe, a heating system in strap alkali wash basin is related to.

Background

For cleaning a metal strip, alkali washing for removing oil and acid washing for removing an oxide layer are required to be soaked, and special cleaning equipment is involved for realizing stable cleaning.

Chinese patent with publication number CN205288132U discloses a metal belt cleaning alkali liquor premixing system, which comprises at least 3 alkali liquor cleaning boxes, at least 1 electrolyte cleaning box, a first hot water cleaning box and a second hot water cleaning box which are sequentially arranged, and further comprises a pre-preparation box, wherein the pre-preparation box comprises an alkali liquor pre-preparation box and an electrolyte pre-preparation box, a stirrer is arranged in the pre-preparation box, and the pre-preparation box is respectively connected with a chemical alkali liquor storage box and an electrolyte storage box.

The scheme can realize alkali washing of the metal strip, and the alkali solution is required to keep a certain high-temperature environment for improving the alkali washing effect, so that a large amount of steam is generated at high local temperature in a traditional heating mode, and the solution is heated unevenly.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a heating system of strap alkali wash tank, the utility model aims to solve the technical problem that: how to ensure the alkali washing effect and reduce the operation interference.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a heating system in strap alkali wash tank, includes the alkali pond, its characterized in that, the inner chamber in alkali pond is equipped with the heat exchange tube, be equipped with the heat exchanger that continuously receives external heat outside the alkali pond, the both ends of heat exchange tube all stretch out the alkali pond and can with heat exchanger's same inner chamber intercommunication, be equipped with the circulating pump that can drive this heat exchange tube internal fluid circulation flow on the heat exchange tube.

An alkaline solution is reserved in the alkaline pool and is heated, so that the oil contamination impurities on the surface of the metal belt are effectively cleaned; the heat exchange pipe is communicated with the external heat exchanger through the inner cavity of the alkali pool, and the circulating pump is arranged to drive fluid in the heat exchange pipe to circularly flow, so that the fluid can fully absorb external heat and heat the fluid when passing through the heat exchanger, the fluid flows and exchanges heat with solution in the alkali pool, the temperature rise operation of the solution in the alkali pool is continuously realized, the temperature stability is ensured, the steam quantity of the working environment is effectively controlled, and sight line interference and peculiar smell are reduced.

In the heat supply system of the metal strip alkali washing tank, the heat supply system further comprises a waste gas treatment device for burning waste gas generated in the metal strip coating process, and the exhaust end of the waste gas treatment device is communicated with the other inner cavity of the heat exchanger. Toxic gas can be produced in the coating process of the curtain louver manufactured by the metal strip, and the toxic gas needs to be combusted and processed by the waste gas processing device of the production line, so that high-temperature waste gas generated by the waste gas processing device can continuously provide heat from outside through the heat exchanger, and meanwhile, the energy recovery effect and the efficient utilization are realized.

In the heat supply system of the metal strip alkali washing tank, the heat exchange tubes in the alkali washing tank are arranged in an S shape. Therefore, the heat dissipation length and area of the heat exchange tube in the alkali pool are increased, the heating uniformity of the solution is increased, and the heating efficiency is improved.

In the heat supply system of the metal strip alkali washing tank, the heat exchange tube is arranged on the bottom surface of the inner cavity of the alkali washing tank. The heat can be diffused from bottom to top, so that the solution of the whole alkali pool can be integrally heated, the excessive and uneven heat is avoided, and the cleaning effect is ensured.

In the heat supply system of the metal strip alkali washing tank, two ends of the heat exchange tube penetrate through the side wall of the alkali washing tank and are communicated with the heat exchanger. Therefore, the high-temperature heat exchange tube cannot pass through the opening of the alkali pool, the spatial layout of the heat exchange tube is facilitated, and the probability of direct contact with operating personnel can be reduced.

Compared with the prior art, the utility model has the advantages as follows:

the heat supply system of the metal alkaline washing tank is communicated with an external heat exchanger through the heat exchange pipe arranged in the inner cavity of the alkaline tank, and the circulating pump is arranged to drive fluid in the heat exchange pipe to circularly flow, so that the fluid can fully absorb external heat and heat the fluid when passing through the heat exchanger, the fluid flows and exchanges heat with solution in the alkaline tank, the heating operation of the solution in the alkaline tank is continuously realized, the temperature is stable, the steam quantity of the working environment is effectively controlled, and sight interference and peculiar smell are reduced.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment.

In the figure, 1, an alkali pool; 2. a heat exchange pipe; 3. a heat exchanger; 4. an exhaust gas treatment device; 5. and a circulating pump.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the heat supply system of the metal alkaline washing tank comprises an alkaline tank 1, a heat exchange tube 2 is arranged in an inner cavity of the alkaline tank 1, a heat exchanger 3 which continuously receives external heat is arranged outside the alkaline tank 1, two ends of the heat exchange tube 2 extend out of the alkaline tank 1 and can be communicated with the same inner cavity of the heat exchanger 3, and a circulating pump 5 which can drive fluid in the heat exchange tube 2 to circularly flow is arranged on the heat exchange tube 2. An alkaline solution is reserved in the alkaline pool 1 and is heated, so that oil stain impurities on the surface of the metal belt can be effectively cleaned; the heat exchange tube 2 is communicated with the external heat exchanger 3 through the inner cavity of the alkali pool 1, and the circulating pump 5 is arranged to drive fluid in the heat exchange tube 2 to circularly flow, so that the fluid can fully absorb external heat and heat the fluid when passing through the heat exchanger 3, the fluid flows and exchanges heat with the solution in the alkali pool 1, the temperature rise operation of the solution in the alkali pool 1 is continuously realized, the temperature stability is ensured, the steam quantity of the working environment is effectively controlled, and the sight line interference and the peculiar smell are reduced. Specifically, the heat supply system further comprises an exhaust gas treatment device 4 for burning exhaust gas generated in the metal strip coating process, the exhaust gas treatment device 4 is a commercially available device, and an exhaust end of the exhaust gas treatment device 4 is communicated with the other inner cavity of the heat exchanger 3. Toxic gas can be produced in the coating process of the curtain louver made of the metal strips, and the toxic gas needs to be combusted and treated by the waste gas treatment device 4 of the production line, so that high-temperature waste gas generated by the waste gas treatment device 4 can continuously provide heat from outside through the heat exchanger 3, and meanwhile, the energy recovery effect and the efficient utilization are realized. Preferably, the heat exchange tubes 2 located in the alkali pool 1 are arranged in an S-shape. Therefore, the heat dissipation length and area of the heat exchange tube 2 in the alkali pool 1 are increased, the heating uniformity of the solution is increased, and the heating efficiency is improved. The heat exchange tube 2 is arranged on the bottom surface of the inner cavity of the alkali pool 1. The heat can be diffused from bottom to top, so that the solution of the whole alkali pool 1 can be integrally heated, the excessive and uneven heat is avoided, and the cleaning effect is ensured. Two ends of the heat exchange tube 2 penetrate through the side wall of the alkali pool 1 and are communicated with the heat exchanger 3. Therefore, the high-temperature heat exchange tube 2 cannot pass through the alkali pool 1 in an open mode, the spatial layout of the heat exchange tube 2 is facilitated, and the probability of direct contact with operating personnel can be reduced.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a heating system in strap alkali wash pond, includes alkali pond (1), its characterized in that, the inner chamber in alkali pond (1) is equipped with heat exchange tube (2), alkali pond (1) is equipped with outside thermal heat exchanger (3) of continuously receiving outward, the both ends of heat exchange tube (2) all stretch out alkali pond (1) and can with the same inner chamber intercommunication of heat exchanger (3), be equipped with on heat exchange tube (2) and drive the circulating pump (5) that fluid circulation flows in this heat exchange tube (2).

2. A heat supply system for a metal strip caustic wash basin according to claim 1 further comprising an exhaust gas treatment device (4) for burning exhaust gas generated by the metal strip coating process, the exhaust end of the exhaust gas treatment device (4) being in communication with another inner cavity of the heat exchanger (3).

3. A heating system for a metal strip caustic wash bath according to claim 1 or 2, characterized in that the heat exchange tubes (2) located inside the caustic wash bath (1) are arranged in an S-shape.

4. A heating system for a metal strip caustic wash basin according to claim 3 characterized in that the heat exchange tubes (2) are arranged on the bottom of the inner cavity of the caustic wash basin (1).

5. A heating system for a metal strip caustic wash basin according to claim 1 or 2 characterized in that both ends of the heat exchange tube (2) are in communication with the heat exchanger (3) through the side wall of the caustic wash basin (1).