Manhole-opening-free online resin sampler

Abstract

The utility model provides an on-line resin sampler without opening a manhole. The manhole-opening-free online resin sampler comprises a tubular valve shell arranged on a tank body, the side wall of the valve shell is communicated with a branch pipe, the outer end of the branch pipe is detachably provided with a sampling bottle, the rear end of a discharging pipe is provided with an end cover, the end cover is provided with a threaded lead screw, and the threaded lead screw is connected with the valve shell. A valve rod is arranged at the inner end of the threaded lead screw, and a valve element is arranged at the front end of the valve rod. According to the manhole-opening-free online resin sampler provided by the utility model, a manhole does not need to be formed in the high position of the tank body, sampling can be performed without opening the manhole, the operation difficulty and risk are reduced, single-person operation can be performed, the production efficiency is improved, sampling can be performed in a non-stop state, the production process is not influenced, the sampling process is closed, a sample bottle is independent, external contact is avoided, and pollution is isolated; and due to online sampling, the actual state of the resin can be reflected more accurately, and the accuracy is higher.

Description

Technical Field

[0001] The utility model relates to the field of sampling devices, in particular to an on-line resin sampler that does not require opening a manhole. Background Art

[0002] Ion exchangers are mainly used in the field of water treatment to remove calcium ions and other substances in water for the preparation of pure water and high-purity water. After long-term operation, the regeneration cycle of the ion exchanger shortens, the number of regenerations increases, and the water production decreases. In severe cases, it even affects the safe and stable water production. Usually, this is caused by the contamination, oxidation, wear and breakage of the resin filled inside. Therefore, it is necessary for us to regularly check these ion exchangers to master the resin conditions inside.

[0003] When sampling the resin from the tank body of the ion exchanger, the existing common method is to open a manhole at the upper part of the tank body. When sampling is required, the equipment is first shut down, and the manhole door is opened for the operator to sample. The height of the manhole is generally relatively high, and it is necessary to build scaffolding, ladders, etc. for climbing. Moreover, only the resin sample at the upper part can be obtained by sampling through the manhole, which cannot represent the state of the internal resin. Therefore, there are problems such as a large amount of maintenance work, inconvenient operation for personnel, and inaccurate detection effect.

[0004] Therefore, it is necessary to provide an on-line resin sampler that does not require opening a manhole to solve the above technical problems. Content of the Utility Model

[0005] The utility model provides an on-line resin sampler that does not require opening a manhole, which solves the problems of a large amount of maintenance work, inconvenient operation for personnel, and inaccurate detection effect existing in the existing sampling method through the manhole.

[0006] To solve the above technical problems, the on-line resin sampler that does not require opening a manhole provided by the utility model includes a tubular valve housing arranged on the tank body. An outlet pipe is arranged on the tank body, and the front end of the valve housing is communicated with the outlet pipe; a branch pipe is communicated with the side wall of the valve housing, and a sampling bottle is detachably arranged at the outer end of the branch pipe. An end cover is arranged at the rear end of the outlet pipe, and a threaded lead screw is threadedly connected and penetrates through the center of the end cover. A valve rod is arranged at the inner end of the threaded lead screw, and a valve core capable of blocking the inlet of the branch pipe is arranged at the front end of the valve rod.

[0007] Preferably, a fixed flange is arranged on the tank body on the outer circle of the outlet pipe, and a mounting flange matched with the fixed flange is arranged at the front part of the surface of the valve housing.

[0008] Preferably, a limiting disk is fixedly connected to the rear end of the valve rod, and the inner end of the threaded lead screw is rotatably connected to the limiting disk.

[0009] Preferably, a front limiting block and a rear limiting block for limiting the position of the limiting disc are respectively arranged in the middle and rear part of the inner wall of the valve housing.

[0010] Preferably, a threaded sleeve adapted to the threaded lead screw is fixedly connected to the center of the end cover. The threaded lead screw is screwed into the valve housing from the threaded sleeve, and a hand wheel is fixedly connected to the outer end of the threaded lead screw.

[0011] Preferably, an exhaust valve is arranged on the side wall of the branch pipe.

[0012] Compared with the related technology, the on-line resin sampler provided by the utility model without opening a manhole has the following beneficial effects:

[0013] The utility model provides an on-line resin sampler without opening a manhole. By arranging a discharge pipe on the surface of the tank body, connecting a valve housing to the discharge pipe, connecting a branch pipe to the valve housing, installing a sampling bottle on the branch pipe, and blocking or opening the inlet of the branch pipe through a valve core that can move back and forth, sampling can be conveniently carried out. Sampling can be carried out without stopping the machine, which does not affect the production process. There is no need to open a manhole at a high place of the tank body, and sampling can be carried out without opening the manhole, reducing the operation difficulty and risk. It can be operated by a single person, improving the production efficiency. The sampling process is closed, with an independent sample bottle, no external contact, and isolation from pollution. Since it is on-line sampling, it can more accurately reflect the actual state of the resin and has higher accuracy. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of a preferred embodiment of the on-line resin sampler without opening a manhole provided by the utility model;

[0015] Figure 2 is Figure 1 the internal structural diagram of the shown valve housing.

[0016] Reference numerals in the figure: 1, tank body; 2, discharge pipe; 3, fixed flange; 4, valve housing; 5, end cover; 6, threaded lead screw; 7, valve rod; 8, valve core; 9, branch pipe; 10, sampling bottle; 11, limiting disc; 12, rear limiting block; 13, front limiting block; 14, hand wheel; 15, mounting flange; 16, exhaust valve. Detailed Embodiments

[0017] The following further describes the utility model in conjunction with the drawings and embodiments.

[0018] Please refer to Figure 1 and Figure 2 , wherein, Figure 1 is a schematic structural diagram of a preferred embodiment of the on-line resin sampler without opening a manhole provided by the utility model; Figure 2 is Figure 1Schematic diagram of the internal structure of the valve housing shown. The on-line resin sampler that does not require opening the manhole includes a tubular valve housing 4 provided on the tank body 1. A discharge pipe 2 is provided on the tank body 1, and the front end of the valve housing 4 is communicated with the discharge pipe 2.

[0019] The front end of the valve housing 4 and the discharge pipe 2 can be fitted by clamping. Outer steps and inner steps are respectively provided at the front end of the valve housing 4 and the end of the discharge pipe 2, and a sealing ring is provided at the step. The communication is achieved by the clamping of the inner and outer steps. When communicating, the inner wall surface of the valve housing 4 is flush with the inner wall surface of the discharge pipe 2.

[0020] A fixed flange 3 is provided on the tank body 1 on the outer circle of the discharge pipe 2, and a mounting flange 15 that cooperates with the fixed flange 3 is provided on the front part of the surface of the valve housing 4.

[0021] The fixed flange 3 and the mounting flange 15 are connected by bolts, so as to tighten the valve body 4 and make it tightly connected with the discharge pipe 2 to prevent it from falling off under the action of pressure.

[0022] The valve housing 4 and the discharge pipe 2 can also be connected by threads. An external thread is provided on the outer surface of the front end of the valve housing 4, an inner step is provided at the end of the inner cavity of the discharge pipe 2, and an internal thread is provided at the inner step. After the two are thread-connected, the inner wall surface of the valve housing 4 is flush with the inner wall surface of the discharge pipe 2.

[0023] A branch pipe 9 is communicated with the side wall of the valve housing 4. A sampling bottle 10 is detachably provided at the outer end of the branch pipe 9. An end cover 5 is provided at the rear end of the discharge pipe 2. A threaded screw rod 6 is threadedly connected and penetrates through the center of the end cover 5. A valve rod 7 is provided at the inner end of the threaded screw rod 6. A valve core 8 that can block the inlet of the branch pipe 9 is provided at the front end of the valve rod 7.

[0024] A limit disk 11 is fixedly connected to the rear end of the valve rod 7, and the inner end of the threaded screw rod 6 is rotatably connected to the limit disk 11.

[0025] The valve core 8 and the inner cavity of the valve housing 4 are in interference fit, so that the valve core 8 maintains a good sealing effect.

[0026] The threaded screw rod 6 is rotatably connected to the limit disk 11. Therefore, when the threaded screw rod 6 rotates, it will drive the valve rod 7 and the valve core 8 to move linearly without rotation.

[0027] The sampling bottle 10 and the branch pipe 9 are in threaded connection. An external thread is provided at the mouth of the sampling bottle 10, an inner step is provided at the bottom end of the inner cavity of the branch pipe 9, and an internal thread is provided on the inner step to achieve threaded connection.

[0028] By rotating the threaded screw rod 6, the valve stem 7 is driven to move forward or backward, thereby driving the valve core 8 to move forward or backward. When the valve core 8 moves to the front side of the inlet of the branch pipe 9, the branch pipe 9 is blocked, and the resin cannot flow into the branch pipe 9 and thus cannot flow into the sampling bottle 10. At this time, the device is in a closed state. When sampling is required, rotate the threaded screw rod 6 to drive the valve stem 7 to move backward, so that the valve core 8 moves to the rear side of the inlet of the branch pipe 9, making the branch pipe 9 communicate with the discharge pipe 2. The resin flows into the branch pipe 9 and enters the sampling bottle 10, and normal sampling can be carried out. After sampling is completed, the valve core 8 is pushed into the front side of the inlet of the branch pipe 9 again for sealing.

[0029] The middle and rear parts of the inner wall of the valve housing 4 are respectively provided with a front limit block 13 and a rear limit block 12 for limiting the position of the limit disk 11.

[0030] The two limit blocks respectively limit the front and rear positions of the limit disk 11, thereby restricting its stroke, preventing it from moving too far forward or backward, and thus realizing the stroke limit of the valve core 8.

[0031] A threaded sleeve adapted to the threaded screw rod 6 is fixedly connected to the center of the end cover 5. The threaded screw rod 6 is screwed into the valve housing 1 from the threaded sleeve, and a hand wheel 14 is fixedly connected to the outer end of the threaded screw rod 6. The threaded screw rod 6 can be conveniently rotated through the hand wheel 14.

[0032] An exhaust valve 16 is provided on the side wall of the branch pipe 9. Inside the operating ion exchanger is a mixture of resin and water. When taken out, there is both resin and water, and it is difficult to meet the requirements for the sampled resin. Therefore, the exhaust valve 16 is provided. When the resin and water gradually flow into the sampling bottle 10, the water will gradually increase and can be discharged from the exhaust valve 16, while the resin will deposit in the sampling bottle 10 to achieve sampling.

[0033] Compared with the related technology, the on-line resin sampler without opening the manhole provided by the present utility model has the following beneficial effects:

[0034] By providing a discharge pipe 2 on the surface of the tank body 1, connecting a valve housing 4 to the discharge pipe 2, connecting a branch pipe 9 to the valve housing 4, installing a sampling bottle 10 on the branch pipe, and blocking or opening the inlet of the branch pipe 9 by a valve core 8 that can move back and forth, sampling can be conveniently carried out. Sampling can be carried out without stopping the machine, without affecting the production process, without opening a manhole at a high position of the tank body, and sampling can be carried out without opening the manhole, reducing the operation difficulty and risk, allowing single-person operation, improving production efficiency, the sampling process is closed, with an independent sample bottle, no external contact, isolating pollution, and because it is on-line sampling, it can more accurately reflect the actual state of the resin and has higher accuracy.

[0035] The above are only embodiments of the present utility model, and do not thereby limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. An on-line resin sampler without opening a manhole, characterized in that: It includes a tubular valve housing (4) arranged on a tank body (1), a discharge pipe (2) is arranged on the tank body (1), and the front end of the valve housing (4) is communicated with the discharge pipe (2); A branch pipe (9) is communicated with the side wall of the valve housing (4), a sampling bottle (10) is detachably arranged at the outer end of the branch pipe (9), an end cover (5) is arranged at the rear end of the discharge pipe (2), a threaded lead screw (6) is threadedly connected and penetrates through the center of the end cover (5), a valve rod (7) is arranged at the inner end of the threaded lead screw (6), and a valve core (8) capable of blocking the inlet of the branch pipe (9) is arranged at the front end of the valve rod (7).

2. The online resin sampler without opening a manhole according to claim 1, characterized in that A fixed flange (3) is arranged on the tank body (1) on the outer circle of the discharge pipe (2), and a mounting flange (15) matched with the fixed flange (3) is arranged on the front part of the surface of the valve housing (4).

3. The on-line resin sampler without opening a manhole according to claim 1, characterized in that A limiting disc (11) is fixedly connected to the rear end of the valve rod (7), and the inner end of the threaded lead screw (6) is rotatably connected with the limiting disc (11).

4. The online resin sampler without opening a manhole according to claim 1, characterized in that, A front limiting block (13) and a rear limiting block (12) for limiting the position of the limiting disc (11) are respectively arranged in the middle and at the rear of the inner wall of the valve housing (4).

5. The on-line resin sampler without manhole opening according to claim 1, characterized in that, A threaded sleeve adapted to the threaded lead screw (6) is fixedly connected to the center of the end cover (5), the threaded lead screw (6) is screwed into the valve housing (1) from the threaded sleeve, and a hand wheel (14) is fixedly connected to the outer end of the threaded lead screw (6).

6. The online resin sampler without opening a manhole according to claim 1, characterized in that, An exhaust valve (16) is arranged on the side wall of the branch pipe (9).

Images