All-welded prefabricated heat preservation house-service device

By using a fully enclosed enclosure and a prefabricated, fully welded, polyurethane-foamed insulated inlet device, the problems of dampness and corrosion in the heating well chambers have been solved, achieving moisture-proof and leak-proof operation, extending equipment life, and reducing maintenance costs.

CN223814701UActive Publication Date: 2026-01-20SHENYANG HUANGGU THERMOELECTRICITY CO LTD
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Patent Information

Application Number
CN202520442600.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-20
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The entrance wells of existing heated residential units are prone to dampness and the generation of harmful gases. Valve facilities corrode rapidly, leading to frequent water leaks and increased maintenance costs.

Method used

The enclosure features a fully enclosed design, with pipes and other components welded inside and filled with polyurethane foam. It is then wrapped with a polyethylene protective layer to achieve thermal insulation and moisture protection, prevent air and water leaks, and reduce equipment corrosion.

Benefits of technology

It extends the service life of the device, reduces maintenance frequency and costs, ensures safe and reliable operation, facilitates installation, and reduces the risk of equipment corrosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an all-welded prefabricated heat preservation house-service device, which relates to the technical field of heating and comprises a closed box body, a pipeline for heating water to enter and return is arranged on the box body in a penetrating manner, and a welding ball valve, a two-net balance valve, a filter, a temperature sensor and a pressure sensor are welded on the pipeline. An injection opening is formed in the box body, the box body is filled with polyurethane foam through the injection opening, a well neck is welded to the upper surface of the box body, and a through opening is formed in the position, corresponding to the well neck, of the upper surface of the box body; according to the utility model, the totally-closed box body is adopted, the pipeline and other parts are welded in the box body, and the box body is filled with polyurethane foam, so that the effects of heat preservation, moisture prevention, gas and water leakage prevention and small equipment corrosion are achieved, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating, in particular to a full-welding prefabricated heat preservation house-entering device. BACKGROUND

[0002] At present, most of the house-entering devices of the heating residential units in northern China adopt masonry shaft rooms, and valves, filters, regulating valves, thermometers, pressure gauges and other devices are installed in the shaft rooms.

[0003] However, there are some problems in actual use, the shaft room is prone to dampness and harmful gas, the valve facilities corrode quickly, water leakage accidents occur frequently, causing frequent maintenance of parts, increasing maintenance cost, therefore, a full-welding prefabricated heat preservation house-entering device is urgently needed to be developed. UTILITY MODEL CONTENT

[0004] In view of the above shortcomings of the prior art, the utility model provides a full-welding prefabricated heat preservation house-entering device, which is welded with fully-closed box body, pipeline and other components inside the box body, and the box body is filled with polyurethane foam, so as to achieve the effects of heat preservation, moisture prevention, gas and water leakage prevention and small equipment corrosion, and improve the service life.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a full-welding prefabricated heat preservation house-entering device, comprising a closed box body, the box body is provided with a pipeline for heating water inlet and return, the pipeline is welded with a welded ball valve, a two-net balance valve, a filter, a temperature sensor and a pressure sensor, an injection port is formed on the box body, the box body is filled with polyurethane foam through the injection port, a shaft neck is welded on the upper surface of the box body, a through hole is formed on the position corresponding to the shaft neck on the upper surface of the box body, the operation switch or monitoring interface of the welded ball valve, two-net balance valve, filter, temperature sensor and pressure sensor are all arranged in the shaft neck through the through hole by connecting lines, and a shaft cover is arranged outside the shaft neck and opened by a key.

[0006] Preferably, the box body is wrapped with a protective layer made of polyethylene material.

[0007] Preferably, the injection port is provided with a plug after being filled with polyurethane foam.

[0008] Preferably, the box body is made of steel material.

[0009] The utility model provides a full-welding prefabricated heat preservation house-entering device, which has the following beneficial effects:

[0010] 1. The utility model discloses a whole closed box body, pipeline and other components are welded in the box body, the box body is filled with polyurethane foaming, reaches the effect of heat preservation and moisture prevention, avoids the air leakage and water leakage, and the corrosion of small equipment is avoided, the service life is improved, and it is safe and reliable, convenient to install and flexible to operate.

[0011] 2. The utility model discloses that the box body is wrapped with the protective layer of polyethylene material outside, is waterproof and gas -proof, reduces the corrosion to the outside of box body, and improves the service life. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the top view of the box body part of the utility model of a whole welded prefabricated heat preservation house -entry device.

[0013] Figure 2 It is the front view of the whole of the utility model of a whole welded prefabricated heat preservation house -entry device.

[0014] Figure 3 It is the utility model Figure 1 The main view section schematic diagram of A place in it.

[0015] Figure 4 It is the utility model Figure 1 The main view section schematic diagram of B place in it.

[0016] In the drawing: 1, welded ball valve; 2, two net balance valve; 3, filter; 4, box body; 5, injection port; 6, temperature sensor; 7, pressure sensor; 8, well neck; 9, well lid; 10, pipeline. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0018] As Figures 1-4As shown, a kind of full-welding prefabricated heat preservation device for entering house, including closed box 4, the pipe 10 for heating water is provided with for entering and returning, the pipe 10 is welded with welded ball valve 1, two net balance valve 2, filter 3, temperature sensor 6 and pressure sensor 7, the box 4 is opened with injection port 5, box 4 is filled with polyurethane foaming by injection port 5, the upper surface of the box 4 is welded with well neck 8, the position of well neck 8 is opened with the mouth of the upper surface of the box 4, the operation switch or monitoring interface of welded ball valve 1, two net balance valve 2, filter 3, temperature sensor 6 and pressure sensor 7 are all set in well neck 8 by connecting line through mouth, the well neck 8 is provided with well lid 9 by key opening;The box 4 is externally contracted and wrapped with the protective layer of polyethylene material;The injection port 5 is provided with plug after filling polyurethane foaming;The box 4 adopts steel material.

[0019] Its detailed connecting means is the technology known in the art, and the following mainly introduces working principle and process as follows:

[0020] According to the description attached Figures 1-4 It can be known that, in the utility model, the pipe 10 penetrates the box 4 and is welded and fixed;Welded ball valve 1 is installed on the pipe 10 for entering and returning water respectively, and plays the role of opening and closing;Two net balance valve 2 is installed on the return water and plays the role of balance adjustment;Temperature sensor 6 and pressure sensor 7 monitor temperature and pressure respectively;Filter 3 is installed on water supply, and plays the role of filtering impurities and removing impurities after operation;Welded ball valve 1, two net balance valve 2, filter 3, temperature sensor 6 and pressure sensor 7 are all designed on the pipe 10 by welding;The above components, operation switch or monitoring interface of component self, and the installation sequence and position of component are all prior art, and will not be repeated.

[0021] The utility model discloses, closed box 4 is through welding and is the external protection structure of closing to above -mentioned facility, can adopt steel material, injection inlet 5, through this mouth injects polyurethane foaming heat -preserving material, fills entire box 4, make it wrap in spare parts outside, form stable whole in box 4, well neck 8 is welded in the top of box 4, and reserve operation space, and the operation switch or monitoring interface of welding ball valve 1, two net balance valve 2, filter 3, temperature sensor 6 and pressure sensor 7 all are through the top of box 4 through the lead to well neck 8 in through connecting wire, open, close, adjust, flush filter 3 etc. work, here, also can connect operation switch to system platform through wireless transmission, can remote transmission signal, operation instruction, well lid 9 is used to prevent the well neck 8 reserved operation space, is not destroyed by external force, and well lid 9 can be opened through the key. The above design produces in factory, forms the full -welded prefabricated heat -preserving device of the utility model, transports to installation position, can be buried in construction site, also can increase the existing technology welding setting on the ground such as fixed frame. The utility model adopts the full -enclosed box 4, pipeline 10, valve etc. spare welding setting in the inside of box 4, fills polyurethane foaming in the inside of box 4, reaches heat -preserving moisture -proof, avoids the effect of air leakage, water leakage, small equipment corrosion, improves the service life. Relative traditional house -connecting well chamber, the utility model is more excellent in the performance of intensification, corrosion resistance, safe and reliable, and installation is convenient, and operation is flexible, and cost is low, and life is long, and economic efficiency has the advantage.

[0022] Among them, the box 4 outside shrinkage is wrapped with a protective layer of polyethylene material, which prevents water and gas, reduces corrosion on the outside of the box 4, and improves the service life.

[0023] Among them, the injection port 5 is provided with a plug after filling polyurethane foam, which further improves the sealing performance.

[0024] Among them, the box 4 is made of steel material, which is more durable.

[0025] It should be noted that the service life of the parts in the box 4 is long, so there is no need to consider the problem of poor maintenance and maintenance after the box 4 is welded and sealed. Of course, a box door for maintenance can also be provided on the box 4, but it is preferably sealed. Those skilled in the art can understand.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fully welded prefabricated thermal insulation service entrance device, characterized in that, The utility model provides a kind of closed box (4), the box (4) is provided with pipeline (10) for heating water in and back through arrangement, welding ball valve (1), two net balance valve (2), filter (3), temperature sensor (6) and pressure sensor (7) are provided with on the pipeline (10), the box (4) is opened with injection inlet (5), box (4) is filled with polyurethane foaming by injection inlet (5), well neck (8) is welded on the upper surface of the box (4), the position corresponding well neck (8) of the upper surface of the box (4) is opened with mouth, the operation switch or monitoring interface of welding ball valve (1), two net balance valve (2), filter (3), temperature sensor (6) and pressure sensor (7) are all arranged in well neck (8) by connecting line through mouth, well cover (9) is provided outside well neck (8) and is opened by key.

2. The all-welded prefabricated thermal insulation indoor access device according to claim 1, characterized in that The box (4) is wrapped with a protective layer made of polyethylene.

3. The all-welded prefabricated thermal insulation indoor access device according to claim 1, characterized in that, The injection inlet (5) is provided with a plug after filling the polyurethane foam.

4. The all-welded prefabricated thermal insulation indoor access device according to claim 1, characterized in that, The box (4) is made of steel.